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HomeMy WebLinkAboutLUA99-125 4 © CITY OF RENTON j;....., ..u. Planning/Building/Public Works F.. , 1055 South Grady Way - Renton Washington 98055 �` F— LU E1C1 2 T8 9 (��r b RET Z u, 1 BMETER t*r ADDRESS SERVICE REQUESTED Ogti� 7204260 IX CC U.S. POSTAGE NO 11/0ex? 611990-0090-03 q4O KYCEK ALAN J -4 14311 NE 124TH AVE 1113 KIRKLANU WA 98034 4:s.2 • PgTUgN`c Iwo TO O Ire SENDER jii jj ]j 44 jj jj ii J) jj (+ !! 44 JJjj ++ yy iii 3al;�o, 1E r +�E10,%4 ItFltifiiiillitmlifiltilittililliliiiililitliitlliiiliiliili mr-i c1 I!•nt i is 11 Ili ■rtr—r% ;y p CITY OF RENTON REASON CNECKEt�� �_... ma Planning/Building/Public Works nciaimed__ ft:-1°- `�"'� - s mter....-',.sed ,;_ . 0#���«l .. * 1055 South Grad Wa Renton Washin ton 98055 temptedNKnown W"� k1 21'99 �'`f Q .3 Q 5Y y - g 'flssuchentqdd ¢ (]p , oo Such Street =-� 21c. w METEa ADDRESS SERVICE REQUESTED - such Number _ 7204260 U.S. POSTAGE i T�'o Such Office In State��Do not remw;' in this envelope 811990-0380-02 HANSEN BARBARA J+ 009999 SCHREIBER,JOSEPH M 833 SW SUNSET BLVD OH-38 RENTON WA 98055 1 RE TURN _ TO WRITER ` `" Ez 130 a � Irad ADDRESS UNKNOWN '� IIflffIIIIfllffffl:lfflfIffillffflflf!IIfiilflflflfiIflfffIII d p CITY OF RENTON o 1,,1 �� Planning/Building/Public Works I I dei"" 7. o•�A • 1055 South Grady Way - Renton Washington 98055 W y OC1 21'8 9 0 .3 0 5 ; ADDRESS SERVICE REQUESTED Q. L PBMETER 7104260 u.S. POSTAGE ; 811990-0540-09 KLINE DAVID R.+ZANATTA-KLINE859999 3806 13TH AVE W Qa114 SEATTLE WA NOT DELIVER E ^-- /"t'6;•AB AS ADDRESSED K......_cci 1 06aU ABLE TO FORT.ARD <L-- -';+ KaRETURN TO SENDER i W- z !Li:];iiiii=i::isi:<i;i;::ii!:;l:i=;lluiiii;i:ii,i:l,:=lisi cs © CITY OF RENTON o .. l , Planning/Building/Public Works c % �, •ti�ru. . 0I- OCT 27'99 el 1'4el 5 • 1055 South Grady Way - Renton Washington 98055 aimed o 2 Co '� " .3 0 _ • Refused f 1 J ¢ a • ADDRESS SERVICE REQUESTED Attempted Not Known ►s o. - 2 4260METER • U.S. POSTAGE Insufficient Address �e No Such Street No Such Number No Such Office In StafP— Do no} r ,,s envelope 811990-0400-08 W000SIDE LEE I 0119999 833 SW SUNSET BLVD, ;IR-40 98055 RENTON WA RETURN �-�_ e 6 6 I tP ` ^ TO WRITER -- °' 2?, D r" a. wd y ADDRESS UNKNOWN �' '-`�y ,,2.-.1z ilil,t1,lLit►litiiiiiiti,ililiiii,litli,iiliiiiiinitilidill :; p CITY OF RENTON ,of . NAPlanning/Building/Public Works cc s0 0 '� " ACT 2T'99 ��'�' ' 1055 South Grady Way - Renton Washington 98055 ,,claimed �� `�Tm``° 4 y 01- - 0 •3 0 5 ' � ?efused 0i" CC ADDRESS SERVICE REQUESTED Attempted Not Known o� T�2�042b0 U.S. POSTAGE f Insufficient Address No Such Street i is Such Number ao Suc. v: cc in state Do not rernail in this envelope S 11490-0420-04 STEPSON RICHARD E+JDY E 099999 833 SW SUNSET tILVD 11I-42 RENTON WA 98055 I(RETURN =• �. _ TO WRITER IA felt. �361 s Eo130 ^ ADDRESS UNKNOWN ilAq )7 �2:s�. IIiliiii►�►! illi111NNfi,ly� A ,444 11)1i 11113III i:I O © CITY OF RENTON o ��� , :_r.�..,... iia Planning/Building/Public Works ` �i a 'zc.) ���ti * ► 1055 South Grady Way - Renton Washington 98055 W ACT 2 T 9 orb A 0 .3 0 5 • CC CC (�p f ADDRESS SERVICE REQUESTED a "- PBMETER 7204260 U.S. POSTAGE 0580-Qo HIT leiGZELLA R b 1 9 833 SW SUNSET BiVo RE Tt7iv WA WWIi633 9605520i6 1A96 in i0i29i99 FORWARD TIME EXf- RIN TO SEND WHITE ' MOZELLA 1916 E MADISON ST APT 311 SEATTLE WA 98122-2893 h h RETURN TO SENDER -,- - ROT8 �p�yI 'r -'2. 1 112j £ { 1h 1judjuj j2jJ Ilih i { a © CITY OF RENTON -- Planning/Building/Public Works it 'i ,1' `. * 1055 South Grady Way - Renton Washington 98055 r,c1SON CHECKS t15' 0 y OC1 2?'9 8 ��_ E 0 .3 0 5 ; Unclaimed _ [� 'Refused '-.� 1 U METER ADDRESS SERVICE REQUESTED `attempted Not Known `- ►� - 7204260 U.S. POSTAGE insufficient Address 140(cSuch S ree! Jtdlc '_'-PICpF 9-1 2 99Uo2 70, BURCilETS GEQ, EF i833 SW UNSET EsR>_"SHFI kTQN S� LVE; 1A Y9?9999 98055 RETURN z`�. 0a 6001s TO WRITER ---4. a' �z lju A 6. Ad LAP UNKNOWN y� _ II,I„Ifil,llr,rfiflrflilfrrl,l,l,l,Il,r,Ilf,fflrlrfl,Iffll„1 „ p CITY OF RENTON w vo , ,� __ _ �t Planning/Building/Public Works ., 0 • ,N uht;F,� o ” OCT 2 7'9 9 ` 04 A 5 1055 South Grady Way - Renton Washington 98055 nciaimed 5`/I)' W ; � 0 •3 0 'efused cc cc f]B METER ADDRESS SERVICE REQUESTED Attempted Not Known a �` 7204260 U.S. POSTAGE i insufficient Address Jo Such Street in Such Number ----- '` 'n State his envelope 811990-0310-07 Rn+3ERTS LOIS JEAN R19999 833 SW SUNSET 31V0 OF31 RENTON WA 98055 RETURN !TowRrrEj ' 2z 100 v rafwas Ilia„I„lily,,i I„I,i,,,it,,,l,i„il,iiiii,1,1,,i,i,,,ll,1 Z 0 I- 0 TYPICAL ARM MOUNTED PAINTED HVAC SCREEN TYPICAL REVEAL TYPICAL PAINTED CONCRETE TINTED CUSS.ALLUMNUM LIGHTS ON MECHANICAL UNIT,TOP ARTICULATION PANELS FRAME CO CCA� Q --Lk-1` w m O OZz_I o �, � - -r _ / `o m w J> w J0cri- .oww — N. 7=11111111 U CC W V < SOUTH ELEVATION 1/8' Z a CC 1- >▪ ' <z C> CC o1- tl2 CC o= WCC °En >O ¢¢ 0 0 0 Z j Y cc YOUWn U,>- 71 . 71 v m mcc_ I 4. a WEST ELEVATION / ENTRY 1/8' I aA nd C ARCHITECTURE G YCE A BERG PRINCIPAL TOKEN K.CHIN,PRINCIPAL I 535-CH AVE SOUTH,SUITED SEATTLE-ASHINGAON981J1 _ I7D6158�J30 FA%59]-070e 1. 0 0 Ti---i----_E---__I--___ " i NO DESCRIPTION DATE PRELIMINARY 7-29-99 SITE PLAN APPROVAL 8-13-99 NORTH ELEVATION 1/8' FEATURES >ti KAD 2505 R3 277V SPOOR DAL .•..w.i�..� - _ 221110411111..,I ...................... -` Mw ELEVATIONS 11,i 1,mo■,6 2. 4, .r iw- 250Wo — = [7 =„1■ ' u1r.._u•e rrrrM..r ` X' 20'-0'POLE YTD. 7 - T■■■■■I■. =. File:99008 IV-A3.DWG - ��. �+iuFT'..—� JOB NO. MN SHEET NO OF =Z. 0 5' 10' 2ti DATE. 71PM ON SITE LIGHTING FIXTURES I—L_� EAST ELEVATION 1/8' CHECK: RWTCIL A-$ CHECK: F I y !� N . Z It '\ P. J p CL �t_�T ••.MOS.]) - --N-*— FrETFR FA(fRrc F[n/ce Z Z �� L:a•s.ao — — LAND CLEARING LIA-,ITS W— , 4e� \,/F„ y 47 w * •r\\` r ^ .GRAPHIC SCALE _Z4 s,yr' - ..y •\ z w 1 i , 4\\ a. - \.90 +► fr ti U < I 1'JI �`/ .'''' • \\\4\ \ �_ SRC llyr�7i bs I r• `r Rq Gi. I ,�b of \\ r.•INhcANos w ▪ - ' --_ \ -. 'f S >-• ' iI I1: 1 �.' .. F,'%'' f RETLANo �\ ��• .F.W d' 1 I1 \ ♦ S.. /Aft-IE' 4: .J 14�Itom/ F°'� �s\\� _�. menu U 0.'. r a\ \ �Y urn•un�'S.✓ *woo" N a E;•`r^ r" • \ �._ e . I I P o�� ,.,I4W?Ir P' .w'°-t ro ::E `' w V� �.eT.t..�E,= ? II I r ,i � .u '. •f.,RMORV + • SETBACK _ k .' . `��\ ,.; « 'J Co y I I. I'. RIB\ .+ , �r �` — Sy I I 1, °\�'`\ \1`4Ijp^ �: .', L- w.rw�. +``\ `; ''ik"• _�'•"``=. __ t iuvccT �R�Q , • TDIi� a RwnyRR.gl 0 � _ ` _ _ _ bye \. k,,, -ii), II E„ / � : �nv it �.. �� ,, _ r�� J, �..— . C Nilz-ro.ev'" \►_- " 11 __.'a • ry �4 .,'o..P l ` ‘b� 'Nil,'" R:IVp L-,y.4 / BLyLDIN(p1 lv .w' t �EosE a><rtANQs �f S f j8 J"4\ 1 P I w n'* 1•• • �. 'I J -.T ..yv•w,r . / • t - t I.NIRWASN-3,. / y • 6aAA1PRE a/ •� �~J/ ,,,tdt\Y,_ H I T .7 w ,,, _\ _ _ _ _ __ \ MAINTENANCE -\ • 09•�• ! � e R .f•EXI�NG NAl E ACCESS R A� �, �` •3 r r Y �, rr+-':-;�-/' Is i._ - . ��\���\\\\\\ ___ �_ 1_ -- — - _�— ORA N4GE oiTCN �T r A', ?�\\ ` wJ EASEMENT EXISTING DRAINAGE SWALE / tO.PPELNE I 1) / 22f� LAG( yl A--NkA1M02•bs EA9�9N'10.25"W 1 1 - EASEMENT PER PLAT cm-rem eras.�J ha -3 6,'''.N I Ti.ama I,.so I ;:,'"�.` ,a,E TREES TO BE REMOP3 4“-Gv°1,4b•ucde T."" 81.57• I NKwt•ra.M1V-, L�J ( I " TWICM. TO'i/litaaa D W rtH,N I Sr7IfM<1 /NAM > roa iV.4e CL.0.4.1.4-7 GIL•N•,PFTWZ L/Mr iS (pip) ]p LASEMLNi FDR FIFFI INI a .N.r.a v.wr • GAS R CN O O0 Of OII 5 - a ,.I 6 GAS REC NO PION It%)9J• .)' v O f-DER aN,I, '. ',att. SEAL d s^, tip.." CHECKED FOR COMPLIANCE 3 rj �,/� I I 99196 TO CITY STANDARDS 8 /- - BUSM. ROED k HITCNINcs. INC. o�we. aw.ENOEERS•LAM SURVEYORS Dot. s.d ERN R wiol:.gym. • RIV-n2Avo 08/I8i99 2.51, 110114e&I 41t gir ♦ ` • i-11 \ I / !-- 1 , !sa r r �uJr. i I I I LA ■ �I 11 M a f__y i L 1 L . + I.(' j I I • $ g . I 8 f • I I li UV 404. �I r_ ` i ,l ul 0 J 1 I f 1.7,71i rli U w I O A I 0 r ?� D Z dTO �j MV A CO 1 moo = T 0 La o 8 m`v3, _° °p BLACKRIVER - RIVERTECH L.L.C. f. g 4 m ;= ALPER NORTHWEST, INC., DEVELOPER D � z y : =n BLACKRIVER CORPORATE PARK - RENTON, WASHINGTON s .-AA �" RENTON, WASHINGTON N 6 o � �n 6' r. '. li\\^\ o BiLACK i-,.N....1.E 0 �,k - T R.1005.37 ..pi..Ell.....rt.:ip1 RM1Q 0. igk.r1rAi, 1O1aP l k U 3a 1 , \\ ia`� i <t m{lWWI 1OW _ J H S /. ) T' \ \ \\ • r RENTON II " gtARtT D kJ 4 0 Z t yv Y \\. •:" .. i= x I ,...,..„ PURL I 1,,, -.•^• o a J "p` , :^'; vlawlTr MAP II ` C.) s nW \ -yam 3 r `e NL)6'THe�h I� y wr\ \,h 1 I 'III I fill 1 \I e^ * se/ * '\ _ � � R9/Ar fir? t Z I NI of k kb o' n, 4 „ . o � kS E- i - '1I I I1 16 Ca ! _,Ida WETLAND Dilliber. + \ '� '7 W i ' II \ �� ,drsN F. J l El6C f •\ I Pa I ,, N� �c n•.�'� P�. •�TC:rlI }. —rsE eL taR+E��..� y� `• �`\\ ••,•,•, �..,,..1 >_s�(�i�o« ) ,E i r � �\ ` J O lc y I f -' SETBACK f "JJ II• ;L (I WI ` �a t'� �"lra f "" .T� 50. r "\e.` >e"a r,/� - �` .. �� }` .III!!...„„, . .,>. b 1 I�.,;E ��-'t�.y s \}\)rl¢j ;.��,•. v v- �i7" 1:`: t. S&`'•.;^ � �; - 'y "n�W....• t ter,. I A1a� U � 1.1" 19 : + V/ 1; \ _ \ �. ram- �.. "S„ I \ ��,� - '71r ` j3` y` T. r', AY 6W BUIL8�1�G '� SEWAGE PARKING ` = �9 ..�~' _ �a\- - a r S ROAD 0g_ a\ '::::::::.•:::::**,:::*._ 'o yy +s.* .) "Fj'43 9/k1$Fib �t 2. 6 - N 1/�. , V.a. • .•• 1�; ---• .:q.VTIA` ., , Woim '« ••uF.F. /Km t' ••D 1� IR a • - h�.. - a -./ 1y • � �1 ......,Ni.� . _�.: �111]1�0`7� r.., enpe 1 STORY M - - 0 t•~ f '' •.EosE.dEre-A.v[6 `' fli 3 � f 1. • • {� / •MAT•sa1/TL rA�s= s t ? v .6`' sa, w y Lr\1 . .r-Ra•:, ' EXISTING t f �,,,.y 4ii., hlta• I \ �`T�� � 0.4'km. .......,._..,. i�R '�� r �,�_y -�� \ - --{ -- \' MAINTENANCE ACCESS NUAD t ISTING MA ♦ 1 Z g Q1R` ": •*�- ,� 1IJ _ r« gl 1 s u ,_ S � ,. _ J Ali_ r. -- ---- - "" •^*-- .. ' 1 \ -Ri1i A•1,N•� / -' e ` ARA/NAGE OirCN Of I iiry o r N 1. -'--- EXISTING DRAINAGE SWALE Eb.A 1 I I •. 112 2604 Lail / o UTI)TY EASEMENT • ...aft' I .1 II ii III , DEL P T Y - \_3,, ' Al\�eau 'millet•+�+w(.r..slw.a.) � •81.575•w I < T.-t;so q 1,: r- TREES 10 BE REWOWD I/ •n.s iX .�. a•v�erru TIPICAL 1 a NEWsiG A1O Ri. AN - Q •wtca•vewA eAws.,eeT xKi y 30 EASEMENT FOR PI PEI INI 1 /LW- 71 V . •... ,{MNEARTHWORK QUANTITIES 6 GASH REOCRNO 8108Pt04, •` 1 J .. I!•7.7 I..00lfe) ALPER NORTHWEST,INC. .(i1JT s ypp LAY. �1bI'iOil.) • qpc• l•a•�[.�M1f SEATILE,WA 98/00 • rILL• 950 G.Y, CHTRh1cn11;A� FIs.L.) CONTACT DEAN ERICNSCN PNCNE:(206)624-9223 +• I .I TLMCN_ID_2619M. FAX (206)382-9752 • The topographic survey,dated 4/4/89.used the old CAy of Reface datum. ARG0TF/I • The wetlands delineates survey.dated 32497,used the current-new'CM of Renton datum.charged IN theCdy In 1991. LPN ARCNIIECNRE 6 PLANNING 1535 ATM AK.SUITED a Rlya LI • The d(erehwe between the old and cures CM datum is a plus 3 M feet. SEATT(E.WA 96134 -. 9Oy� CONTACT:800 BERG I�TF/�•�w'� • The grade elevetgns of the 32497 wetlands delineation survey are 3.44 feel N gher PMONE: (206)563-eo3o !•T A SEAL j than the grade eeoaeons of the 4/4/89 topogrepoic survey FAX: (206)583-0706 VIA {$ �NRp CHECKED FOR COMPLIANCE if' r R ToPONR.4,1 IC.SLRVe.T-A_•159 1 1 TO CITY STANDARDS 99196 r� ''''� g 8 , PIONEERSBUSH, ROED HRCHINDSe WIC. oaf• _ DOA a 8 f/•'� OWL PIONEERS Sr LAND SURVETd16 t Do • PROPERTY UNE PROPERTY UNE--I 0 EDGE OF WETLAND.VARIES �. Z PARKING AISLE PARKING/ RAILROAD Z TRACKS liralli I WETLAND FILL AREA 1 — CC < E.SLW IE— WETLAND$ � 1 ' 11=IIIIII IIIIIIIIIII IIIIIIIIIII IIIIImili IIIIIIIII�. w grumIIIIEIIIIIEIIIIII=IIIIII==II�III :ni i%\\_II=NI=111111c111111=llllll=IIIIII=llllll=llllll=IS1 =111111=llllll-11111=11lII�IIII1=11111 lllll=llllll=llllllellllll=llllll= Z IIIIII IIII�IIII—IIIIII=III�I-IIIIII-IIIIII—IIIIII=II III-IIIIIIIIIIII—IIIIII—IIIIII—IIIIII=IIIIII—IIIIII-IIIIII-llllll-lllllF_uni--iIIII-IIIII IIIIII-llllllIIIIIIIIIIIIIIII O O Uw Z _.;> w WETLANDS ) J LLI L WETLAND IES ` Q AREA.VARIES \\\1 - Y / SITE FILL/GRADING / / 0 CC (OUTSIDE OF WETLANDS) w Z 2 SITE SECTION - AA 20' 1 w w TABULATION-LEGEND -LU CC 0 ACCESS SITE AREA ±217,800 SF(5 ACRES) EXISTING WETLAND ±60,348 SF(1.38 ACRES) >. CL(.7 EASEMENT BUILDING AREA ±13,141 SF I = CC Z �'No.lMtuenre_ IMPERVIOUS SURFACE ±43,560 SF 1 ACRE PARKING(REQUIRED 40) 53 STALLS-PROPOSED CC I— O= INCLUDES EXIST.ROADS PARKING RATIO 4.0 STALLS/1000 SF LLl U(I) STANDARD 9'X20.(18'+2') 37 >O CC Q LANDSCAPE S F. ±174,240 SF. TOTAL W/WETLAND COMPACT 8'X16' 13 CCZ > '_I_' )) FORMAL ±19,000 S.F H.C.ACCESSIBLE 8'+5X20' 2 F S `••_ PARKING ±5,340 S.F. H.C.VAN 8'+8'X20' 1 Y Fc Z NATURAL ±149,900 S.F. LOADING AREA 30'X30' 0 w Y 0 . 20' , - BUILDING HEIGHT ALLOWED 250 FT. /PROPOSED'20 FT. AREA OF STRUCTUAL FILL ±950 CUBIC YARDS,INCLUDES < U/" ,Y +840 S.F.(0.02 ACRES)CF J J Q W 1 - ' : ' ; BUILDING SETBACKS CO Q m w 1•• --- �� REQUIRED S 15 FT. PROPOSEt7 S 34 FT. PERMITTED WETLAND FILL q�% Iz • _ ..- .. . �, £kl$T N 0 FT. •':AFi'0 FT - F '--- A Ca E 0 FT. E 600 FT. /N c,li k; l` 9 I EB a e%1s•'`� URCINGTo W 0 FT. W 410 FT. IOU N i"." E�6uaoN : NORTH fRN I,•,',',' ' ' ; . RAO ARCHITECTURE T W� up- EN f SLOPE UP OAD TR O n d PLANNING ACK$ ROYCE A BERG.PRINCIPAL .... �. /�. �-£TtAHD • - - - -. •.•• Y.KEN K.CHIN.ESOUT.PRINCIPAL • suntD I, � 1395INM ASHINGON 78ED SFA111F.-6030 FAX S9 MINA (2oAT5r3NI0�o F�%5830J(IB 11 1 !�'.'. LINT:bi MAX TILL .�`••� • •; TS'•MIN SETBACK� L,• _ _ . . 50 AVERAGE SETBACK ti \ - -\• ••••I` • : /.a .a, NEW PARKING-V' •",I T."Vi ~ Y/ - _ ,8 't 1 'f — \ TRASH ENCLOSURE 1:-_'L�D1TG7AV D__,7"� `C L.„..../- 1 2: 20;8::: _ / OFFICE BUILDING ` SERNCE UREA ` DESCRIPTION DATE 1 _11•CCESS 7L0 _ .CREW OGC♦c +/-13,141 SF 11111,95! I 30%�' ________"_ ���T —_PRELIMINARY 7-29-99 �pL N 9 ^_ w ' ,,," " `• \ o \ EASEMENT TA V 8 25 99'� \ b840/ � lot -��' SITEPUNAPPRO ALB-1}99_'-'„ i!IS� —•' IIIIG��. � BAIURAL AREA_ - li` �� 1 Sl'OfiY �R1_t_,0 EXIST.LIl.YIT NEW R\I -_ IM1 -II' Nl:% •1 ENT EXISTING BIOFILiR— ®AI 1'*'-1 `I4`d1:-i`uAgE•L�•� r NI -_ O • • • - ____ J \5{ry�\��`z ��' pingii- DRAINAGE SWALE �' '' 'i=......L==r� =�IF, �iz��As-T- . w_Dig,__ EXISTING MAINTENANCE ACCESS ROAD EASEMENT REC.N0... A TRANSFORMER CATCH BASIN EXISTING DRAINAGE SWALE 10'PIPELINE o STORM DRAINAR ACCESS EASEMENT EXISSN • UTILITY EASEMENTEXISDNG TREES EASEMENT SITE PLAN EASEMENT PER WA. EEO.NO.M10PAl0ir\ STREET LIGHT •'-�' TO REMAIN TTP P MOMS . RED.NO.l0Y00426 TECH CENTER PLAT ; R EXISTING LAWN VEHICLE TURN-AROUND SITE SECTION \ cot 'f50 OUSTING R SEPARATOR AREA o NEW MONUMENTI TREES TO BE REMOVED NIOU TYPICAL- 7 COTTONWOOD(12-180"MAJORITY) 1 38'GREEN ASH .11 2 12•HAWTHORN _ EXISTING SIDEWALK /, RI I ±30 0 20I 160' DATE _ MONTH Fi NO. 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EDGE OF WETLAND,VARIES AI PARKIN ir RMlAOAD z RACKS Z AVE.pow. 1s.w WETLAND FILL AREA 1 •,1u=IIIIII IIIIIIIIIII IIIIIIIIIIIIIII III it I co IIII=IIIIII=IIIIIFIIIIII=IIIIII=_IIIIII�....1.=nu=IIIIII=IIIIII=IIIIII=IIIIII=IIIIII=IIIIII=IWETLANDS I T AND1Nm=IIIIII=IIIII-IIRIIMIIIIIIIIII=IIIIII=IIIIII=Iimm IIIIIIcIIIIII=IIIII IIIIIIIIIIII IIII—IIIIII—III I-III II—IIII—I II 1= 1 I=IIIIII-II IIIIIII=III II=III-IIIIIIIIIIIIIIIII-IIIIII—IIII =1 II-II IIIl I II—IIII-II IIIII II=IIII II 0J O I I H J> w E WETLANDS J Wcr WETLAND FILL '1 - 0 i AREA.VARIES SITE nu/GRADING U 0 CC '� (OUTSIDE OF WETLANDS) T " W Z Q SITE SECTION — AA 20' 1 w w>CO ¢z TABULATION-LEGEND C—CW CC0 0 ACCESS SITE AREA 4217,800 SF(5 ACRES) EXISTING WETLAND 460,348 SF(1.38 ACRES) I >. 0_Z EASEMENT BUILDING AREA 413,141 SF PARKING(REQUIRED 40) 53 STALLS-PROPOSED 0— IMPERVIOUS SURFACE 443,560 SF(1 ACRE) PARKING RATIO 4.0 STALLS/1000 SF CC 0= INCLUDES EXIST.ROADS STANDARD 9'X20'(18'+2') 37 cp LANDSCAPE S.F. 3174,240 S.F.TOTAL W/WETLAND COMPACT 8'X16' 13 _ CC r ._ �� iik FORMAL 419,000 S.F. H.C.ACCESSIBLE 8'+5'X20' 2 CCZ > -° PARKING 45.340 S.F. H.C.VAN 8'+8'X20' 1 Y CC Z T r• • NATURAL 4149,900 S.F. LOADING AREA 30'X30' CD W Y 0 , BUILDING HEIGHT ALLOWED 250 FT /PROPOSED 20 FT. AREA OF STRUCTUAL FILL 4950 CUBIC YARDS,INCLUDES <0_ Q Z 3840 S.F.(0.02 ACRES)OF J J 1. \e A• BUILDING SETBACKS PERMITTED WETLAND FILL m Q CO 1 1 +�TJr REQUIRED 5 15 FT. PROPOSED S 34 FT. \,ayJ, A�— EXISr�NC N 0 FT. N 70 FT. • • • E 0 FT. E 600 FT. Ii.i II7 N•' ' G'P' ; •�. BU R ( IA/G W 0 FT. W 410 FT. W 1 lege br.e 1sr'•`! r0N N 1 . . .' 1 ORryERN Rq ARCHITECTURE S I • j .�.! L CRC and PLANNING sLGPE uP AQ Iror�A.1IERa.PRINCIPAL 1 / :T. . • • • • • CKS Y.KEN F CHIN.PRINCIPAL ` • ISSS-AH AVE SOUTH.SUITE 0 SEATTLE.WASHINGTON 98151 A 1 0• • ♦ - .�D;3BB .. • 12005e3e030 FA%5e30700 t • •♦� EIN�.bF MAK PILL • R �I 1.'.'.'.'. .'AETGdP• ,AREA=lj16.,EWl6.�.'�..,v� �L. .. '.••. \'•• • .•,:,•. . . . / 59 AVERAGE SETBACK -/ �• ` 11311 • 24' '�N:�, NEW PARKING'�"-•�:. . - •;;71 •1•f` fff \ ` •TRASH ENCLOSURE• ill ��EXISTING PAYED" _ L.� �J Q•O RS f \��\ SERHCF�-(1REA \```�� .� DESCRIPTION DATE ---ACCESS ROAD ry---..Y AREA Op.101, 71/ •••• °FFI 19141 : ` 30% --------_ -r PRELIMINARY 17-29-99 55'sIII11I ^ \ 3840,F `' \ \ SITE PLAN APPROVAL 6-15-99 AR� �,r �'-- , ••�"� �� � °� �tlPTURAL AREA r �_1 POLE LIGHT - ----- - IIIIIEI I '' \ F� \ I 1 __--- _ _ • ` � -. • E%ISi L �if �NEW PARKI �E &'KE RACK 1�N �����\O\\\\\\�. J'7'-6'1!� 2 �' EXISTING B10FYTRAnY AMII����+�`�� _ '.__rya F� __. -- • • • •__ ____ i \�` IT I► ___ RE LANE �, , • DRAINAGE$WALE' ®�! 'i`-�F�iiii � vi mizs' _- EXISTING MAINTENANCE ACCESS RO •ASEMENT �� �l • \ TRANSFORMER EXISTING DRAINAGE SWALE} 10'PIPELINE 1__I STORM DRAINAGE ^`STN \ UTIUTY EASEMENT CATCH BASIN EXISTING TREES EASEMENT SITE PLAN & EASEMENT PER PLAT STREET LIGHT REC.NO.871102435 TO REMAIN TYP. 3 R EXISTING LAM AREA TURN-AROUND SITE SECTION �I fS0 TREESOIL/WATO SEPARATED AREA TREES TO BE REMOVED & NEW MONUMENT TYPICAL- 7 COTTONW000(fY-18'MAJORITY) A SIGN < 1 >6•GREEN ASH m I 2 12•HAWTHORN EXISHNG SIDEWALK ^: 8 A. 0 20' NA' 80' 160' � ile:99008/SITE-3.DWG T• 1 330 JOB NO.: NOM SHEET NO OF e ^n'' DATE: 7-4PYP 1 ' A-1 DRAWN. RANT= SITE PLAN 140' 12 CHECK: 1 2'•.1 4,- r ♦aTArF Z 9 m J • R•I I s l? 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Planning/Building/Public Works Department J e Tanner,Mayor Gregg Zimmerman P.E.,Administrator February 15,2002 Allen C.Wyttenbach LPN Architecture&Planning, Inc. 3003 80th Avenue SE Mercer Island, WA 98040 Subject: Approval of Minor Modification of Rivertech II(FAA)Office Building Site Plan City File#LUA99-125, Blackriver Office Park---500 Powell Avenue SW, Renton Dear Mr.Wyttenbach: Thank you for your letter requesting City approval of a relocated dumpster and enclosure. As proposed on the attached site plan dated 2/11/02 and received by the City on February 15, 2002,the dumpster will be located within two existing parking spaces in the SW corner of the site. Because 53 parking spaces are currently located on-site and the city code only requires 39 spaces for this development,the proposal to eliminate 2 parking spaces would comply with current parking regulations. Dumpsters are not allowed within any setback area pursuant to RMC 4-4-090, however,the proposal to site the dumpster 16.5 feet from the closest property line complies with the setback requirements of the CO Zone. The City of Renton Municipal Code permits me to grant minor modifications to approved site plans. Your proposal to relocate the dumpster pursuant to the attached site plan is hereby approved. No additional environmental, land use, or building permit approvals are required. However, I recommend that you contact Rainier Waste Management Company to ensure the proposed location will be acceptable. This is an administrative determination. To appeal this determination,a written appeal--accompanied by the required $75.00 filing fee--must be filed with the City's Hearing Examiner(1055 South Grady Way, Renton,WA 98055,425-430- 6515) no more than 14 days from the date of this decision. Your submittal should explain the basis for the appeal. Section 4-8-110 of the Renton Municipal Code provides further information on the appeal process. Please feel free to contact Laureen Nicolay or me at 425-430-7294 should you have any questions regarding this letter. Sincerely, Jennifer Henning Principal Planner c: LUA99-125 1055 South Grady Way-Renton, Washington 98055 ®This paper contains 50%recycled material,20%post consumer 02.15%02 10:26 FAX 2062306647 __ - LPN ARCHITECTS [6001 ARCHITECTURE& PLANNING, INC. ROYCE A. BERG,A.I.A., PRINCIPAL PHONE: (206)230-6648 3003 80'AVE SE FAX: (206)230-6647 MERCER ISLAND,WA 98040 MEMORANDUM VIA FAX AND MAIL TO: Laureene Nicolay DATE: February 15, 2002 Development Services Division City of Renton PROJECT: FAA Office TI at the 1055 South Grady Way Powell Avenue Building Renton, WA 98055 Permit # 020006 500 Powell Ave. SW Renton, WA TIME: 10:30 AM PROJECT NO: 01067.9 FAX NUMBER: 425.430.7231 NO. OF PAGES: 4 RE: Revision —Trash Enclosure Location LPN Architects request an administrative modification to the approved site plan for the Powell Avenue Building, 500 Powell Avenue SW, allowing relocation of the existing trash enclosure. Offices for the Federal Aviation Administration, FAA, are currently under construction in the Powell Ave. Building, City of Renton Permit#B020006. Because of security issues, FAA has requested that the trash enclosure for the project be relocated. Per the approved T.I. permit drawings, Site Plan, 6/T-1, the enclosure was located at the northwest corner of the west parking lot, adjacent to the security gate. FAA requirements state that the enclosure can be no closer than 300' to the building. To satisfy this issue, the trash enclosure is being relocated to the last 2 parking stalls at the southwest corner of the site. The relocated trash enclosure is the same configuration and constructed with the same materials as shown in the approved permit drawings, sheet T-1, detail 6 — Site Plan and sheet T-3, details 2, 3, and 6. The attached 2.11.02 LPN Architects Bulletin #6 "Partial Site Plan —Trash Enclosure Location" and Bulletin #7 — "Relocated Trash Enclosure" shows the new location and an enlarged plan of the enclosure. The trash enclosure shown on the approved T.I. permit drawings occupied 2 parking stalls. With relocation, these stalls would revert back to parking while 2 stalls at the southwest parking area would be used for the relocated enclosure. Per City Standards, parking required for the 13,199 SF office building is 43 stalls. 54 stalls were constructed. With the loss of 2 stalls for the relocated trash enclosure, total stall count is 52. Parking complies with the City's requirements. Existing building height is 17'-4". Minimum side yard setback in CO zone is 15"-0". As shown on Bulletin #6, from closest point at trash enclosure, west property line is 16'-6" and south property line is 60'-0", both dimensions exceed the 15'-0" setback. U2/15/U2 10:Z5 FAA LUb'LJUb 47 LYN AKUi1TKC'15 le(.1 The relocation complies with City of Renton Standards. LPN Architects respectfully requests an expedited administrative approval of the requested site plan modification, allowing relocation of the trash enclosure for the FAA Office T.I. project. If you have any questions or require an additional documentation, please do not hesitate to call our office. Allen C. Wyttenbach Senior Project Architect Enclosure cc: File 02 15/02 10:26 FAX 20623066.17 LPN ARCHITECTS 1g 003 6D�o � ___ l\' 77 — I > I ‘CirirOL ' 1 Trrri- CDV)mm77 ; I ( W C—IXZfTI 1 11 r J m zoo , !!!• ! Z- 0 C---I 4 � I ; ; \ . flT....rm. 7 //,..* „! / / {1)1,7 .3(-1 \---; ' I ---// / ,/ k. 0 ,,,.I --------- c---I• -* ' r i 1 l 0 7.3 ' J POWELL AVE. �� i • CD -- -gib _ I ; L4 I ! \V 1 Y Z 1 La so Nz&A 5 \. .O. 1 , r— / 4:$41.- • \ . , C!) of :' :\� ocit. :1td ;,: 1�\ r --s :-‘••A•\,,: ., .. i O '';�' ., , 4 > I �' oox / c. cn O l ,y. 41 ! �t rT1 Z Z � :- .- r.\ m C 1' r t 1/ OHO L D Z C -1C7 o- Odit Co = � I I - BULLETIN Prolect: FEDERAL AVIATION ADMINISTRATION ARCHITECTURE SubJo t: PARTIAL SITE PLAN 6 • and PLANNING kO,CEA.9ERG.mNCIPAL F role ct No.:01067 D.ta:2-11-02 By: RAJ 3OD3-BOTH AVE SOUTHEAST MEPCER&AND,WA_98040 170613366649 FAX 2366647 FAA-T1.rJ C 01/IS/ CO2 OGOB an Sheet 1 OF 2 02/15:02 10:27 FAX 2062306647 LPN ARCHITECTS 4J(1(14 RELOCATE & REINSTALL-----\ REMOVE EXISTING ASPHALT THIS FENCE FABRIC AND GATES AREA & REPLACE W/ 5" CONCRETE W/ GREEN VISION SLATS SLAB W/ THICKENED EDGE ALL AROUND INSTALL NEW CORNER AND GATE REINF_ W/6x6 W1.4 x W1.4 WWF, SLAB POSTS TO MATCH EXISTING ELEVATION TO MATCH EXISTING ASPHALT CEXISTING 2 -0" URBO REMAIN i /6; y INSTALL NEW :.I 6"O STL., ONC. �: ••` ':...: , I.: FILLED BOL. ARDS, PAINT TO ATCH o :*•" :. r EXISTING o ;DUI PSTER' I.. CONE. .. . RELOCA EXISTING �:., . . . :} ASPHALT . • 1. ASPH I- ,� , . . ;• • •-.,��• `• ' � EXISTING ' EXISTING PARKING '� : •. • 1 ' LANDSCAPE TO REMA N GAE ST�?P ISLAND 1' • Y TO REMAIN ::IcTA ONCH • 6 !I _______________\ NV ' EXISTING ASPHALT INSTALL GATE STOP, TYP. TO 4� MATCH EXISTING, COORDINATE NORTH W/ GATE POSITION . RELOCATED TRASH ENCLOSURE 1/4° BULLETIN' Project: FEDERAL AVIATION ADMINISTRATION ARCHITECTURE subject: TRASH ENCLOSURE 7 on`d PLANNI1.NG •ROYCEA OE.kG.P21NQPA'. Project No.:01067 Date:2-11-02 By: RAJ So03-BOW AVE SOurhE� T MERCER l«ANo•WA.78040 Sheet 2 OF PO6;230-66�FAX 230-6647 FM_Tz.d+p OV3:l2002 U47 on _ '��• Return Address: City Clerk's Office City of Renton 1055 South Grady Way Renton WA 98055 IiIIIWIffhiIiIIiIiiiIjj/ii00 10515003000 CITY OF RENTON BS 0515//2001 14042 13.00 KING COUNTY, Wp Title: UTILITIES EASEMENT _Property Tax Parcel Number:132304-9086-02 Project File#: Street Intersection or Project Name: 500 POWELL AVE SW Reference Number(s)of Documents assigned or released:Additional reference numbers are on page . Grantor(s): Grantee(s): 1. Blackriver-River tech LLC I. City of Renton,a Municipal Corporation 2. The Grantor,as named above,for or and in consideration of mutual benefits,hereby grants,bargains,sells and delivers to the above named Grantee,the following described property: Additional legal is on page 4-6 of document. (Abbreviated legal description MUST go here) LEGAL DESCRIPTION: THAT PORTION OF THE FOLLOWING PARCEL MORE PARTICULARLY DESCRIBED ON PAGES 4-6 HEREOF. c-a • A PORTION OF THE SOUTHEAST QUARTER OF SECTION 13, TOWNSHIP 23 NORTH, RANGE CD 4 EAST W.M. AND THE SOUTHWEST QUARTER OF SECTION 18, TOWNSHIP 23 NORTH, RANGE 5 EAST, W.M. , DESCRIBED AS FOLLOWS: BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST QUARTER WITH THE NORTH LINE OF THE SOUTH 650.00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER, AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; THENCE NORTH 88°15'00" WEST ALONG SAID NORTH LINE 1099.78 FEET; THENCE NORTH 01°45'00" EAST 418.89 FEET TO A POINT ON THE SOUTHERLY LINE OF THE CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT—OF—WAY SAID POINT BEING ON A CURVE WITH A RADIUS OF 1005.37 FEET, THE RADIUS OF WHICH BEARS NORTH 38°15'05u EAST; THENCE SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346.30 FEET; THENCE SOUTH 71°29'03" EAST ALONG SAID SOUTHERLY LINE 912.08 FEET TO THE NORTH LINE OF THE SOUTH 650.00 FEET OF THE SOUTHWEST QUARTER OF THE SOUTHWEST QUARTER OF SAID SECTION 18; THENCE NORTH 89°10'25" WEST ALONG SAID NORTH LINE 81.57 FEET TO THE POINT OF BEGINNING; SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON. a-ao1_vo4 HAFORMSUCCRECORD\EASEMENT.DOC'\ Page 1 FORM 03 0000/bh/CA2-21-97 That said Grantor(s),for and in consideration of mutual benefits,do by these presents,grant,bargain,sell,convey,and warrants unto the said Grantee, its successors and assigns,an easement for public utilities (including water,wastewater,and surface water)with necessary appurtenances over,under,through,across and upon the following described property(the right-of-way)in King County,Washington,more particularly described on page 1. (or if full legal is not on page 1—Exhibit A.) For the purpose of constructing,reconstructing, installing,repairing,replacing,enlarging,operating and maintaining utilities and utility pipelines,including,but not limited to,water,sewer and storm drainage lines, together with the right of ingress and egress thereto without prior institution of any suit or proceedings of law and without incurring any legal obligation or liability therefor. Following the initial construction of its facilities, Grantee may from time to time construct such additional facilities as it may require. This easement is granted subject to the following terms and conditions: 1. The Grantee shall,upon completion of any work within the property covered by the easement,restore the surface of the easement,and any private improvements disturbed or destroyed during execution of the work,as nearly as practicable to the condition they were in immediately before commencement of the work or entry by the Grantee. 2. Grantor shall retain the right to use the surface of the easement as long as such use does not interfere with the easement rights granted to the Grantee. Grantor shall not,however,have the right to: • a. Erect or maintain any buildings or structures within the easement;or b. Plant trees,shrubs or vegetation having deep root patterns which may cause damage to or interfere with the utilities to be placed within the easement by the Granter,or c. Develop,landscape,or beautify the easement area in any way which would unreasonably inar+v-the costs to the Grantee of restoring the easement area and any private improvements therein. d. Dig,tunnel or perform other forms of construction activities on the property which would disturb the compaction or unearth Grantee's facilities on the right-of-way,or endanger the lateral support facilities. e. Blast within fifteen(15)feet of the right-of-way. This easement shall run with the land described herein, and shall be binding upon the parties,their heirs, successors in interest and assigns. Grantors covenant that they are the lawful owners of the above properties ca and that they have a good and lawful right to execute this agreement. 0-> By this conveyance,Grantor will warrant and defend the sale hereby made unto the Grantee against all and every person or persons,whomsoever, lawfully claiming or to claim the same. This conveyance shall bind the ,,-, heirs,executors,administrators and assigns forever. Z901 IN WITNESS WHEREOF,said Grantor has caused this instrument to be executed this 1 t day of Apo- ' . era ETICKELVER-RIVEwr tqr LLC . By: By: S t 1rgrent I, T I CMErtEr 0 I BY: , It's tar' l�n R. Erickson, It's Sr. Vice Pies. Notary Seal must be within bo J fA F WASHINGTON )SS CO YOFKING ertify that I know or have satisfactory evidence that signed this instrument and acknowledged it to be his/her/their free and voluntary act for the uses and purposes mentioned in the instrument Notary Public in and for the State of Washington Notary (Print) My appointment expires: Dated: H:\FOR MSUCCRECORD\EASEMENT.DOCt Page 2 INDIVIDUAL FORM OFAC%NOWLEDGMEIVT - Notary Seal must be within box STATE OF WASHINGTON )ss COUNTY OF KING ) I certify that I know or have satisfactory evidence that signed this instrument and acknowledged it to be his/her/their free and voluntary act for the uses and purposes mentioned in the instrument Notary Public in and for the State of Washington Notary(Print) My appointment expires: Dated: REPRESENTATIVE FORM OF ACKNOWLEDGMENT Notary Seal must be within box STATE OF WASHINGTON )ss COUNTY OF KING ) I certify that I know or have satisfactory evidence that signed this instrument,on oath stated that he/she/they was/were authorized to execute the instrument and acknowledged it as the and of to be the free and voluntary act of such party/parties for the uses and purposes mentioned in the instrument 2) Notary Public in and for the State of Washington Notary(Print) 3 My appointment expires: Dated: CORPORATE FORM OF ACKNOWLEDGMENT Notary Seal must be within box STATE OF WASHINGTON )ss o COUNTY OF KING ) r.� On this I I -day of (4P ,1110001,before me personally appeared 'I ��� M. I I r� Yig �_ �y�pnt to me known to �, G be/v 4J1 7 - t;5e,V *I of the corporation that ,ss�ON' ', executed the within instrument,and acknowledge the said instrument to be the free ' =O� O � �''1 / ' and voluntary act and deed of said corporation,for the uses and purposes therein , tr'n • ��•�� % ' mentioned,and each on oath stated that he/she was authorized to execute said � _ instrument and that the seal affixed is the corporate seal of said corporation. ,I Op WAS�`04 tary Public in an or the State of Washington otary(Print)., Zj) M.aJJ ,4 y appointment expires: 0 5i-/5 o L/ ated: RPM ii, aa,, HAFORMSUCCRECORDEASEMENT.DOC\ Page 3 FORM 03 0000/bh/CA2-21-97 EXHIBIT"A" LEGAL DESCRIPTION (must be stamped by P.E.or L.S.) A STRIP OF LAND 15 FEET IN WIDTH BEING 7.50 FEET ON EACH SIDE OF THE FOLLOWING DESCRIBED CENTERLINE OVER THAT PORTION OF THE SOUTHEAST OF SECTION 13, TOWNSHIP 23 NORTH, RANGE 4 EAST, W.M. , DESCRIBED AS FOLLOWS: COMMENCING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST 14 WITH THE NORTH LINE OF THE SOUTH 650 FEET THEREOF, SAID NORTH LINE 'BEING ALSO THE THE NORTH LINE OF WASHINGTON TECHNICAL CENTER, AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; THENCE NORTH 88°15' 00" WEST ALONG SAID NORTH LINE 792. 79 FEET TO THE EAST LINE OF AN EXISTING WATER EASEMENT RECORDED UNDER KING COUNTY RECORDING NO. 9012061032; THENCE NORTH 01°46' 30" EAST 23.86 FEET ALONG SAID EAST LINE TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 87°07' O1" EAST 74 .44 FEET TO A POINT HEREINAFTER REFERRED TO AS POINT "A"; THENCE SOUTH 87°12' 22" EAST 57.46 FEET TO A POINT HEREINAFTER REFERRED TO AS POINT "B"; THENCE CONTINUING SOUTH 87°12' 22" EAST 6.40 FEET TO A POINT HEREINAFTER REFERRED TO AS POINT "C"; L-7 c7 THENCE SOUTH 87°59' 52" EAST 164.21 FEET; m THENCE NORTH 00°24' 44" WEST 17 .64 FEET TO THE TERMINUS OF SAID: STRIP; THE SIDELINES OF THIS STRIP AT THE TRUE POINT OF BEGINNING LinSHALL BE SO SHORTENED OR LENGTHENED SO AS TO TERMINATE AT SAID EAST LINE; ALSO BEGINNING AT PREVIOUSLY DESCRIBED POINT "A"; cv' THENCE SOUTH 01°44' 37" WEST 10.03 FEET TO THE TERMINUS OF SAID STRIP; ALSO BEGINNING AT PREVIOUSLY DESCRIBED POINT "B"; THENCE NORTH 02°47' 38" WEST 12 .70 FEET TO THE TERMINUS OF SAID STRIP; THE SIDELINES OF SAID STRIP AT THE TERMINUS SHALL BE SO SHORTENED OR LENGTHENED SO AS TO TERMINATE AT THE SOUTH FACE OF THE EXISTING BUILDING; H:\FORMSVCCRECORD\EASEMENT.DOC1 Page 4 FORM 03 0000/bWCA2-21-97 EXHIBIT"A" LEGAL DESCRIPTION (Must be stamped by a P.E or L.S.) ALSO BEGINNING AT PREVIOUSLY DESCRIBED POINT "C"; THENCE NORTH 02°47' 38" WEST 12 . 82 FEET TO THE TERMINUS OF SAID STRIP; THE SIDELINES OF SAID STRIP AT THE TERMINUS SHALL BE SO SHORTENED OR LENGTHENED SO AS TO TERMINATE AT THE SOUTH FACE OF THE EXISTING BUILDING; THE SIDELINES OF THIS EASEMENT SHALL BE SO SHORTENED OR LENGTHENED SO AS TO MEET AT ANGLE POINTS; SITUATE IN THE CITY OF RENTON, KING COUNTY, WASHINGTON STATE. BLACKRIVER RIVERTECH, LLC BRYAN L. CAMPBELL, P.L.S. BRH JOB NO. 2000062.03 MARCH 28, 2001 BUSH, ROED, & HITCHINGS, INC 2009 MINOR AVENUE E SEATTLE, WA 98102 (206) 323-4144 0 cn r CD . . 1,1 C .� p , ��i f� 1 \: + ®° 34135IV • �i LAW EXPIRES 08/05/la-- , 3- 17 H:\FORMSIKCRECORD\EASEMENI'.DOC' Page S FORM 03 0000/bWCA2-21-97 Map Exhibit miA \ ® N0146 '30"E V ' 120" 04° ► ,Q �! `sy0 dss �0S 23.86' © S87°07'01"E 74.44' •t'�D.4 09: © S8712'22"E ph 57.46' AZ •-‘° ,p).iS O S87°12'22'"E `r,/ ' '4 Q \ 6.40' \�\ *F 4 OE S87°59'52•"E • \ \. iO°� ti!�'L!. 90 164.21' y •��\\i 'y: OOy9tt' j 0 N00°24'44"W 11 9 ' `�06, j 17.64' A\e\'44. ♦�`♦ % ;+'� �OGO So1°44'37"W ♦ ♦ O 10.03' dr ' O ,N \DiA OH N020 47'38"E Q' �; © �*At �o,ti 0 NO2°4T'38"E O ��♦\ 'yQ 12.82' 0 � ♦• _ • ♦ ♦ • n. 1 P.y- © °w O �,500, OO iL u-, 00 r G� 1ii" 'lh �i9? t Qi .e 5 0- :� b z: x f 0(j) .. A : :, : 2 .',', \ l4 �� 34I35 do ,sw i 9••NCIS ..• 4 i 4L LA149S t , i EXPIRES O8/05/6?' ` 0 3 0.°i \ (PO. c,)0. .sus I H:\FORMS\CCRECORDIEASEMENf.DOC\ Page 6 FORM 03 0000/bh,'CA2-21-97 8 I . 7?- Return Address: City Clerk's Office 111111111111111 City of Renton 200 Mill Avenue South Renton,WA 98055-2189 20010515002999 CITY OF RENTON BS PAGE 001 OF 002 KING5COUNTY, WA BILL OF SALE I Property Tax Parcel Number: 1 3 2 304-9 08 6-02 Project File#: ;ircetintersectrou: I Address: 500 POWELL AVE. SW Reference Number(s)of Documents assigned or released:Additional reference numbers are on page . Grantor(s): Grantee(s): 1. Blackriver-Rivertech LLC 1. City of Renton,a Municipal Corporation 2. sells and delivers to The Grantor,as named above,for,and in consideration of mutual benefits,hereby grants,bargains, cr, the Grantee,as named above,the following described personal property Cr WATER SYSTEM: t S cam► 30 L.F.of 1? f1T Water Main `- 20 L.F.of 6 • " f1T WaterMain-Fire �' 1 L.F.of 2 " Water Main - �c each of 12 " Gate Valves Domestic r-- 2 etch of " Gate Valves, , ? each of Fire Hydrant Assemblies ,- SANITARY SEWER SYSTEM: Length Size T CD L.F.of PI Sewer Main c L.F.of „ Sewer Main L.F.of " Sewer Main each of " Diameter Manholes each of " Diameter Manholes each of " Diameter Manholes STORM DRAINAGE SYSTEM: Length Size T1KS Line L.F.of L.F.of " Storm Line L.F.of " Storm Line each of " Storm Inlet/Outlet each of " Storm Catch Basin each of " Manhole STREET IMPROVEMENTS: (Inching Curb,Gutter,Sidewalk,Asphalt Pavement) Curb,Gutter,Sidewalk L.F. Width Asphalt Pavement: SY or L.F.of STREET LIGHTING: „ _ 0 �_ #of Poles aD By this conveyance,Grantor will warrant and defend the sale hereby made unto the Grantee against all and every person or persons,whomsoever,lawfully claiming or to claim the same. This conveyance shall bind the heirs,executors, administrators and assigns forever. HAFILE.SYSTRMV41NDOLTIV3 II LSALE.DOCWAB Page 1 r I II Form 84 000 l/bh IN WITNESS WHEREOF I have hereunto set my hand and seal the day and year as written below. VhCLI FAR P I�� IBC �Y By: ' t nt I, III; IS1/6/.. ,.., Marter By: L!/ • , S Directc�c' Dam R. Erickson. It's Srrica-Vice Pmciri=nt INDIVIDUAL FO OF ACKNOWLEDGMENT Notary Seal must be within box STATE WAS INGTON )ss CO OF G ) I ce ify that I know or have satisfactory evidence that signed this instrument and acknowledged it to be his/her/their free and voluntary act for the uses and purposes mentioned in the instrument Notary Public in and for the State of Washington Notary(Print) — My appointment expires: - Dated: REPRESENTATIVE FORM OF ACKNOWLEDGMENT Notary Seal must be within box STATE OF WASHINGTON )ss COUNTY OF KING ) I certify that I know or have satisfactory.evidence that L7 1 en signed this instrument,on oath cr' stated that he/she/they was/were authorized to execute the instrument and c� acknowledged it as the �``+ and c--) of to be the free and voluntary act of such `r) party/parties for the uses and purposes mentioned in the instrument. r Lr•) Notary Public in and for the State of Washington �-- Notary(Print) C=5 My appointment expires: ev Dated: CORPORATE FORM OF ACKNOWLEDGMENT Notary Seal must be within box STATE OF WASHINGTON )ss COUNTY OF KING ) �`A�•l!"' ''i+ On this 86-- day of .�Ii.1.. ,tO before me personally appeared ---/i" IYi. Q +, to me known to --�! 0/v" ��.6) ''� 4 Y. r RNA of the corporation that ) ' 'T,, 17 be ittriik it f.4_�ii Idle t 5je,Virg itzw u�i 7=0 C II4 iA ;; executed the within instrument;anyl.ac o le a the said i strument to be the free • V �' in, / and voluntary act and deed of said" ,iioMit nd purposes therein • ' �/'' V mentioned,and each on oath stated that he/she was authorized to execute said 1 ''1 U 5.O inst ument and that the seal affixed is the corporate seal of said corporation. 1INA9 �'t� 1-15.0— pZ : f 4. 71 /++ OF WpS� G` ��ta,,ry Public in an for the State ofWashington- , ,,,‘�� otary(Print) .,,T`(,(pt f& J7j M. aLL1 F'1/v y appointment expires: 09- 15 O •ated:( I O 6 (9(-r)l 1 Page 2 5/9- 9 9-las WHEN RECORDED RETURN TO: 1111111111111111 Office of the City Clerk 1055Renton City South Gay Way 20000717000689 Renton,WA 98055 CITY OF RENTON EAS 13.00 PAGE 001 OF 006 KING7COUNTY,10:40A NATIVE GROWTH PROTECTION EASEMENT Grantor: Blackriver-Rivertech LLC Grantee: The City of Renton Legal Description: Abbreviated Legal Description: A portion of the southeast '/4 of Section 13, Township 23 North, Range 4 East W.M. and the southwest '/4 of Section 18,Township 23 North,Range 5 East W.M. crs Full Legal Description: See Exhibits A,A-1 and B attached o Assessor's Tax Parcel No.: 132304-9086-02 c: THIS NATIVE GROWTH PROTECTION EASEMENT (the"Easement") is made as of this r - day of July, 2000 by Blackriver-Rivertech LLC, a Washington limited liability Compa y("Grantor"). Recitals A. Grantor is the Owner of certain real property located in the City of Renton, King County, Washington, legally described in Exhibit A, attached hereto (the"Easement Area"). B. Grantor is also the Owner of other adjacent property located in the City of Renton, King County, Washington, legally described in Exhibit B, attached hereto (the"Underlying Property"). B. Grantor wishes to create an easement over the Easement Area for the benefit of the public. DEVELOPMENTCITY OF RENTON PLANNING m i t 1 _ 2000 - 1 - RECEIVED Declaration NOW, THEREFORE, Grantor hereby declares as follows: 1. Easement Area. Grantor hereby grants and conveys a permanent easement over the Easement Area for the benefit of the public (the"Native Growth Protection Easement"). 2. Use of Easement Area. The creation of the Native Growth Protection Easement conveys to the public a beneficial interest in the land within the Easement Area. The interest shall be for the purpose of protecting wetland area and preserving native vegetation and animal habitat. The Native Growth Protection Easement prohibits all present and future owners of the Easement Area, enforceable on behalf of the public by the City of Renton, from any activities within the Easement Area causing disturbance to the wetland area and native vegetation. Nothing in this Easement shall prohibit or otherwise limit the use of the Underlying Property except for the portion thereof located within the Easement Area. 3. Running with the Land. This Easement shall run with the land and shall be binding upon and inure to the benefit of the owners of the Easement Area and the Underlying Property and their heirs, successors and assigns. 4. Attorney Fees. The prevailing party in any action brought to enforce or interpret the C." terms of this Easement shall be entitled to recover its costs and reasonable attorney fees incurred in said action, including on appeal,whether or not suit is commenced. 0 co c-� DECLARANT: BLACKRIVER-RIVERTECH LLC, a Washington limited liability company By: BLACKRIVER TRISTAR LLC, a Delaware limited liability company, its manager By: STARWOOD TRIMET SEATTLE DEVELOPMENT I,LLC, a Delaware limited liability company, its sole member By: TRIMET DEVELOPMENT LLC, a Washington limited DEVELOPMENT R liability c mpany, an authorized managing member .j1d1 1 - By: RECE th V. Bellamy Its: M ing Direct 41 By: ��1>ean R. Erickson1111@t Its: Senior Vice President J U L 1 0 2 00 - 2 - STATE OF WASHINGTON ) )SS. COUNTY OF KING ) On this 1 day of July, 2000 before me,the undersigned, a Notary Public in and for the State of Washington, duly commissioned and sworn personally appeared Kenneth V. Bellamy and Dean R. Erickson, known to me to be the Managing Director and Senior Vice President, respectively, of TRIMET DEVELOPMENT LLC, a Washington limited liability company, an authorized managing member of STARWOOD TRIMET SEATTLE DEVELOPMENT I, LLC, the sole member of BLACKRIVER TRISTAR LLC, the manager of BLACKRIVER- RIVERTECH LLC, a Washington limited liability company that executed the foregoing instrument, and acknowledged the said instrument to be the free and voluntary act and deed of said limited liability companies, for the purposes therein mentioned, and on oath stated that he/she was authorized to execute said instrument. I certify that I know or have satisfactory evidence that the person appearing before me and Making this acknowledgment is the person whose true signature appears on this document. WITNESS my hand and official seal hereto affixed the day and year in the certificate above written. ,c P M. Q�',I gnature =64 =OIL?� gym rinted Name �' ��Bk\ NOTARY PUBLIC in and for the State of Washington, 'h 4.15.o4 ? CO , �o Residingi — ' aF w�sH�,,= My commission expires Oil-/5 0 . c.� r•— e-^ DEVELOPMENT PLANNING ra CITY OF RENTON 11 1 2t RECEIVED JUL 1 n C � - 3 - EXHIBIT A NATIVE GROWTH PROTECTION EASEMENT DESCRIPTION THAT PORTION OF THE SOUTHEAST QUARTER OF SECTION 13 ,DES TOWNSHIP P 23 NORTH, RANGE 4 EAST, W.M. , KING COUNTY, WASHINGTON, AS FOLLOWS: COMMENCING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST QUARTER WITH THE NORTH LINE OF THE SOUTH 650.00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER AS RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF SAID COUNTY, THENCE NORTH 88°15 '00" WEST 1,099.78 FEW ALONG SAID NORTH LINE; THENCE NORTH 01°45'00" EAST 418.89 FEET TO A POINT ON THE SOUTHERLY 'LINE OF THE' CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT-OF-WAY, AND THE BEGINNING OF A NON-TANGENT CURVE CONCAVE NORTHEASTERLY HAVING A RADIUS OF 1005.37 FEET (A RADIAL LINE TO SAID BEGINNING BEARS SOUTH 38.15'05" WEST) ; THENCE SOUTHEASTERLY 52.37 FEET ALONG SAID CURVE AND SOUTHERLY LINE THROUGH A CENTRAL ANGLE OF 02°59'04" TO THE TRUE POINT OF BEGINNING; THENCE CONTINUING SOUTHEASTERLY 293 . 93 FEET ALONG SAID CURVE AND SOUTHERLY LINE THROUGH A CENTRAL ANGLE OF 16°45 ' 04" ; THENCE SOUTH 71°29 '03" EAST 581. 58 FEET ALONG SAID SOUTHERLY LINE; THENCE NORTH 81°49 ' 54" WEST 245.61 FEET; THENCE NORTH 66°49 '25" WEST 128.74 FEET; U' THENCE SOUTH 77°40'22" WEST 91.36 FEET; °C 0 THENCE SOUTH 51°17 '34" WEST 80.03 FEET; o THENCE SOUTH 88°12 '-15" WEST 141.33 FEET; THENCE NORTH 69°38 ' 03" WEST 162.33 FEET TO A POINT WHICH BEARS co SOUTH 01°23 '53" EAST FROM THE TRUE POINT OF BEGINNING; THENCE NORTH 01°23 ' 53" WEST 249.16 FEET TO THE TRUE POINT OF BEGINNING. THE PARCEL DESCRIBED ABOVE CONTAINS 84,495 SQUARE FEET (1.940 o ACRES) , MORE OR LESS. o co SITUATE IN THE CITY OF RENTON, KING COUNTY, WASHINGTON_ ! �~~t' W y�0` BLACKRIVER-RIVERTECH L.L.C. 500 POWELL AVENUE BUILDING WILLIAM A. HICKOX, P.L.S. �-'C p z+rs BRH JOB NO. 99196.02 C' f JUNE 7, 2000 s 7-ao cxnwes "IT; !, LOP.MENT PLANNWG CITY OF RENTON Ail 1 - 21N �VED RECE JUL 1 0 Ln EXHIBIT B DFSCFtIPTIUd Native Growth Protection Easement THAT PORTION OF THE SOUTHEAST 1/4 OF SECTION 13 , TOWNSHIP 23 NORTH, RANGE 4 EAST W.M. AND THE SOUTHWEST 1/4 OF SECTION 18 , TOWNSHIP 23 NORTH, RANGE 5 EAST W.M. , DESCRIBED AS FOLLOWS : BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST 1/4 WITH THE NORTH LINE OF THE SOUTH 650 . 00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER, AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; THENCE NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 1099 . 78 FEET; THENCE NORTH 01 DEGREES 45 MINUTES 00 SECONDS EAST 418 . 89 FEET TO A POINT ON THE SOUTHERLY LINE OF THE CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT-OF-WAY SAID POINT BEING ON A CURVE WITH A RADIUS OF 1005 .37 FEET, THE RADIUS OF WHICH BEARS NORTH 38 DEGREES 15 MINUTES 05 SECONDS EAST; THENCE SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346 . 30 FEET; THENCE SOUTH 71 DEGREES 29 MINUTES 03 SECONDS EAST ALONG SAID SOUTHERLY LINE 912 . 08 FEET TO THE NORTH LINE OF THE SOUTH 650 . 00 FEET OF THE SOUTHWEST 1/4 OF THE SOUTHWEST 1/4 OF SAID SECTION 18 ; cxa THENCE NORTH 89 DEGREES 10 MINUTES 25 SECONDS WEST ALONG SAID o NORTH LINE 81 . 57 FEET TO THE POINT OF BEGINNING; SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON. 0 0 N PICl MFNT P OFREN RFc ` ?000 CD 9 .4/ -^� �"Cf- f7n11 'U BRH ii �J)of`vA:44 o+ �1 .4,,, BUSH,ROED&HITCHINGS,INC. aT�ly 0A 4] e, R._,Oo53r MIL ENGINEERS&LAND SURVEYDRS _ ( `_, ix._ 323 alga l c 52.3T 2009 MINOR AVE E. (206) . SEATTLE,WA 98102-3513 L j TP.OS. ' -Q•�p,un�T p 1 R=100537' L fi0 A=1�46'Ot- 100 50 0 1001 wn17L1Z (U le293.93 --w:� Z oI SCALE 1-_100• N F�7 6-'7-0 O Z ZO = Q Al �' - Sp Z > 3� p 9iR E(HIBIT A-1 r L11 ry( (6, RJ NATIVE GROWTH PROTECTION -� wo J U 114 EASEMENT SKETCH ¶ a o =� '. 500 POWELL AVENUE BUILDING " U o I N.G.P.A. °a'E seTss PREPARED FOR: BLACKRWEA RIVERTECH,L.LC_ mow\ 568 1215 YY z1P. \ d N8T.1p•S,,:w i 1/88'15'00-1M 109978' WASHINGTON TECHNICAL CENTER- V. 12Z P. 98-102 PONT OF COMMERCPOG 2 599000L LLO OOQZ 9 CITY (_ RENTON Office of the City Attorney • Jesse Tanner,Mayor Lawrence J.Warren DEVELOPMENT PLANNING CITY OF RENTON MEMORANDUM JUN 131000 RECEIVED To: Lesley Nishihira, Development/Planning From: Lawrence J. Warren, City Attorney Date: June 22, 2000 Subject: Native Growth Protection Easement Blackriver Rivertech II Building 500 Powell Avenue SW I have reviewed the above-referenced document and the same is approved as to legal form. (24‘)C51A-1 Lawrence J. Warren LJW:as. cc: Jay Covington A8:174.56. Post Office Box 626 - 100 S. 2nd Street - Renton, Washington 98057 - (425)255-8678 :: This paper contains 50%recycled material,20%post consumer Filed for Record by and After Recording Return to: Mr. Dean R. Erickson Senior Vice President TriMet Development LLC 700 Fifth Avenue, Suite 6000 Seattle, WA 98104 NATIVE GROWTH PROTECTION EASEMENT Grantor: Blackriver-Rivertech LLC Grantee: The City of Renton Legal Description: Abbreviated Legal Description: A portion of the southeast 'A of Section 13,Township 23 North, Range 4 East W.M. and the southwest 'A of Section 18, Township 23 North, Range 5 East W.M. Full Legal Description: See Exhibits A,A-1 and B attached Assessor's Tax Parcel No.: 132304-9086-02 THIS NATIVE GROWTH PROTECTION EASEMENT (the "Easement") is made as of this day of June, 2000 by Blackriver-Rivertech LLC, a Washington limited liability Company("Grantor"). Recitals A. Grantor is the Owner of certain real property located in the City of Renton,King County, Washington, legally described in Exhibit A, attached hereto (the`Basement Area"). B. Grantor is also the Owner of other adjacent property located in the City of Renton, King County, Washington, legally described in Exhibit B, attached hereto (the"Underlying Property"). B. Grantor wishes to create an easement over the Easement Area for the benefit of the public. - 1 - JUN - 92000 .3,�D N O V E ON Declaration NOW, THEREFORE, Grantor hereby declares as follows: 1. Easement Area. Grantor hereby grants and conveys a permanent easement over the Easement Area for the benefit of the public (the "Native Growth Protection Easement"). 2. Use of Easement Area. The creation of the Native Growth Protection Easement conveys to the public a beneficial interest in the land within the Easement Area. The interest shall be for the purpose of protecting wetland area and preserving native vegetation and animal habitat. The Native Growth Protection Easement prohibits all present and future owners of the Easement Area, enforceable on behalf of the public by the City of Renton, from any activities within the Easement Area causing disturbance to the wetland area and native vegetation. 3. Running with the Land. This Easement shall run with the land and shall be binding upon and inure to the benefit of the owners of the Easement Area and the Underlying Property and their heirs, successors and assigns. 4. Attorney Fees. The prevailing party in any action brought to enforce or interpret the terms of this Easement shall be entitled to recover its costs and reasonable attorney fees incurred in said action, including on appeal, whether or not suit is commenced. DECLARANT: BLACKRIVER-RIVERTECH LLC, a Washington limited liability company By: BLACKRIVER TRISTAR LLC, a Delaware limited liability company, its manager By: STARWOOD TRIMET SEATTLE DEVELOPMENT I, LLC, a Delaware limited liability company, its sole member By: TRIMET DEVELOPMENT LLC, a Washington limited liability company, an authorized managing member By: Kenneth V. Bellamy Its: Managing Director By: Dean R. Erickson Its: Senior Vice President - 2 - JUN - 9ZVUO STATE OF WASHINGTON ) )SS. COUNTY OF KING ) On this day of June, 2000 before me,the undersigned, a Notary Public in and for the State of Washington, duly commissioned and sworn personally appeared Kenneth V. Bellamy and Dean R. Erickson,known to me to be the Managing Director and Senior Vice President, respectively, of TRIMET DEVELOPMENT LLC, a Washington limited liability company, an authorized managing member of STARWOOD TRIMET SEATTLE DEVELOPMENT I,LLC, the sole member of BLACKRIVER TRISTAR LLC,the manager of BLACKRIVER- RIVERTECH LLC, a Washington limited liability company that executed the foregoing instrument, and acknowledged the said instrument to be the free and voluntary act and deed of said limited liability companies, for the purposes therein mentioned, and on oath stated that he/she was authorized to execute said instrument. I certify that I know or have satisfactory evidence that the person appearing before me and Making this acknowledgment is the person whose true signature appears on this document. WITNESS my hand and official seal hereto affixed the day and year in the certificate above written. Signature Printed Name NOTARY PUBLIC in and for the State of Washington, Residing My commission expires - 3 - JUN - 9 2000 EXHIBIT A NATIVE GROWTH PROTECTION EASEMENT DESCRIPTION THAT PORTION OF THE SOUTHEAST QUARTER OF SECTION 13 , TOWNSHIP 23 NORTH, RANGE 4 EAST, W.M. , KING COUNTY, WASHINGTON, DESCRIBED AS FOLLOWS: COMMENCING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST QUARTER WITH THE NORTH LINE OF THE SOUTH 650.00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF PAGES IN9 TN TECHNICAL ME 122 OF O CENTER ASRECORDED IN HENCE NORTH 88°15,'00" WEST 1,099.78 FEET RECORDS OF SAID COUNTY, ALONG SAID NORTH LINE; THENCE NORTH 01°45'00" EAST 418.89 FEET TO A POINT ON THE SOUTHERLY 'LINE OF THE' CHIC31G0, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT-OF-WAY, AND THE BEGINNING OF A NON-TANGENT CURVE CONCAVE NORTHEASTERLY HAVING A RADIUS OF 1005.37 FEET (A RADIAL LINE TO SAID BEGINNING BEARS SOUTH 38°15'05" WEST) ; LNE E THROUGH ASTERLY CENTRAL2.37 ANGLEEET ALONG SAID O 02°59'04" TOURVE AND T SOUTHERLY HE TRUE POINT O LIF BEGINNING; AND THENCE CONTINUING SOUTHEASTERLY 293 .93 FEET ALONG SAID CURVE SOUTHERLY LINE THROUGH A CENTRAL ANGLE OF 16°45'04"; THENCE SOUTH 71°29 '03" EAST 581.58 FEET ALONG SAID SOUTHERLY LINE; THENCE NORTH 81°49 '54" WEST 245.61 FEET; THENCE NORTH 66°49 '25" WEST 128.74 FEET; THENCE SOUTH 77°40'22" WEST 91.36 FEET; THENCE SOUTH 51°17 '34" WEST 80.03 FEET; THENCE SOUTH 88°12 '-15" WEST 141.33 FEET; THENCE NORTH 69°38 ' 03" WEST 162.33 FEET TO A POINT WHICH BEARS SOUTH 01°23 ' 53" EAST FROM THE TRUE POINT OF BEGINNING; THENCE NORTH 01°23 ' 53" WEST 249.16 FEET TO THE TRUE POINT OF BEGINNING. THE PARCEL DESCRIBED ABOVE CONTAINS 84,495 SQUARE FEET (1.940 ACRES) , MORE OR LESS. SITUATE IN THE CITY OF RENTON, KING COUNTY, WASHINGTON. 114 $~~�aeW ���i �f- BLACKRIVER-RIVERTECH L.L.C. �� 500 POWELL AVENUE BUILDING WILLIAM A. HICKOX, P.L.S. BRH JOB NO. 99196. 02 q\. A z�rs �' JUNE 7, 2000 Exrotez Vur: !/ J U N - 9 2000 115 I .i O: .1: r J U ' j N • 4Q7 J a ct N •• .�`.0F co • �6,}�, B U H,RUED&HITCHINGS,INC_ tiT o kt1 ofi R°too5.s0 CIVIL ENGINEERS&LAND SURVEYORS Z • L a 52'S9 01" 2009 MINOR AVE E. (206)323-4144 L-523T SEATTLE.WA 98102-3513 TP.OB. ''O. 1.orn i Ft:1100537 i00 '- '� a:11E 45 04 100 50 0 ' 3 7+17r O 1! l lL 293.93' SCALE 1-_100' 1N FEET % 0 0 N i C.4. Sp • O! al 3' 4' p R/ EXHIBIT A-1 CO of9rBKRR) NATIVE GROWTH PROTECTION -1 rk EASEMENT SKETCH .. o =` STD. 500 POWEL.L AVENUE BUILDING r e I N.G.P.A. �,,,�.� 03- PREPARED FOR: BLACKRIVER: RIVERTECH, L.L.C. . iW"�r� lseis w .1�� 9t35 4 . z 4` -eV � '8 a\w r ��\ ul � S88-1215-W__,, 1�8T49'S{:yy 2 ui `'— tiei33' 45.8r ur 3 J {ii • N88-15'00"WV 1099.78' f WASHINGTON TECHNICAL CENTER - V. 122, P. 98-102 PONT OF COiM�1CHG J EXHIBIT B ramommmZON THAT PORTION OF THE SOUTHEAST 1/4 OF SECTION 13 , TOWNSHIP 23 NORTH, RANGE 4 EAST W.M. AND THE SOUTHWEST 1/4 OF SECTION 18 , TOWNSHIP 23 NORTH, RANGE 5 EAST W.M. , DESCRIBED AS FOLLOWS : BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST 1/4 WITH THE NORTH LINE OF THE SOUTH 650 .00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER, AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; THENCE NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 1099 .78 FEET; THENCE NORTH 01 DEGREES 45 MINUTES 00 SECONDS EAST 418 . 89 FEET TO A POINT ON THE SOUTHERLY LINE OF 'rah CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT-OF-WAY SAID POINT BEING ON A CURVE WITH A RADIUS OF 1005 .37 FEET, THE RADIUS OF WHICH BEARS NORTH 38 DEGREES 15 MINUTES 05 SECONDS EAST; THENCE SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346 .30 FEET; THENCE SOUTH 71 DEGREES 29 MINUTES 03 SECONDS EAST ALONG SAID SOUTHERLY LINE 912 . 08 FEET TO THE NORTH LINE OF THE SOUTH 650 . 00 FEET OF THE SOUTHWEST 1/4 OF THE SOUTHWEST 1/4 OF SAID SECTION 18 ; THENCE NORTH 89 DEGREES 10 MINUTES 25 SECONDS WEST ALONG SAID NORTH LINE 81 . 57 FEET TO THE POINT OF BEGINNING; SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON. • REPORT City of Renton . & Department of Planning/Building/Public Works DECISION ENVIRONMENTAL REVIEW& ADMINISTRATIVE LAND USE ACTION DECISION DATE: November 30, 1999 Project Name: Blackriver Rivertech II Applicant: LPN Architects Owner: Blackriver—Rivertech, LLC File Number: LUA-99-125, SA-A, ECF Project Manager: Lesley Nishihira Project Description: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO) zone. The site is 5 acres in size and contains a Category 2 on-site wetland. The applicant is requesting buffer averaging for the required 50-foot buffer width. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 840 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. Project Location: Powell Avenue SW, North of SW 7th Street Exist. Bldg. Area SF: N/A Proposed New Bldg. Area SF: 13,141 sf Site Area: 217,800 sf(5 acres) Total Building Area SF: 13,141 sf • r . 1 • - r , ---,.„\ \ , • 44.0 s,_::.:e1,--1-,47,11-:-.,,T,-;=,iii: , '''-`nme_,",,,sZ-47V,„_ .,‘-' \ '.. 'f, t,•.';......\. ' "r---f ,,y1"-- : ' , *-0;.%-=:----;' tl Cl.,.."-.... vim/ i-r'•;N' ,•••r i• .E[��''��:�� • 1:20,1 _'.i.i e7::.a . LJ •••• 1° J.� �:`--•Ji , � � .. •�ir Ire 'Ij' .":\taw - ,:-..'fLr......::;::'1--11.1 ' IS Mil .'..).; '''' 5'd14. 11 \ 1,1 pi . - ;"". ii. ,;.! _'_�_ , gy �.�+5 + j. /'`: •• �/ , a+r.:„•' BIACKRIVER-RIVER • `' rl ....y =:it:v4c uuc r.pc Project Location Map SITERC City of Renton P/B/PW Department iministrative Site Plan Approval&Environn Review Committee Staff Report BLACKRIVER RIVERTECH ll LUA-99-125,SA-A,ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 2 of 12 PART ONE: PROJECT DESCRIPTION/BACKGROUND The applicant, LPN Architects, is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot, one-story office building in the Commercial Office (CO) zone. The 5.0-acre site is currently undeveloped with the exception of a paved access road, which leads to the existing Rivertech I development on the west adjacent parcel. Access to the site is proposed via a 28-foot wide driveway on the north side of the Powell Avenue SW cul-de-sac. The proposal also includes the improvement of associated landscaping, utilities and a 53-stall parking area. The proposal would require the cut of approximately 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. The site contains a 1.38-acre category 2 on-site wetland. The applicant is proposing buffer averaging for the south side of the wetland near the proposed building and parking areas. In addition, approximately 840 square feet of the wetland area is proposed to be filed for the development of the site. The applicant has requested the City grant the project wetland mitigation credits, which were previously agreed to in recent purchase and sale agreements between the City and Blackriver— Rivertech, LLC for properties in the immediate vicinity. A modification request has been submitted with the application in order to allow for the mitigation credits under the current wetland regulations. The applicant has also obtained approval from the Army Corp of Engineers and the Washington State Department of Ecology for the proposed filling of the wetland area. PART TWO: ENVIRONMENTAL REVIEW In compliance with RCW 43.21 C.240, the following project environmental review addresses only those project impacts that are not adequately addressed under existing development standards and environmental regulations. A. Environmental Impacts The Proposal was circulated and reviewed by various City Departments and Divisions to determine whether the applicant has adequately identified and addressed environmental impacts anticipated to occur in conjunction with the proposed development. Staff reviewers have identified that the proposal is likely to have the following probable impacts: (1) Earth Impacts: The subject site is relatively flat and is vegetated with dense shrubs, blackberries and trees. The northern two-thirds of the site contains a 1.38-acre category 2 wetland. According to the applicant's land clearing and tree cutting plan, the proposed wetland buffer line will serve as the limits of clearing boundary. All vegetation south of the indicated clearing limits boundary is proposed to be removed, including approximately 10 trees (cottonwood, ash, and hawthorn) ranging in size from 12-inch to 36-inch caliper. Approximately 1,150 cubic yards of earthwork will be moved (200 cubic yards to be cut and 950 cubic yards to imported for structural fill)for the grading of access, parking, utilities, and building areas. A Geotechnical Engineering Study, dated November 3, 1999, was prepared by Earth Consultants, Inc. and submitted with the land use application. According to the report, the site is immediately underlain by a four-inch thick layer of topsoil and rootmass. This soil layer is not considered suitable for use as structural fill and should not be mixed with material to be used as structural fill. Underlying the topsoil is loose to medium dense silt, silty sand and sandy silt. Rapid groundwater seepage was also encountered. The Geotechnical Report includes several recommendations regarding site preparation, drainage, structural fill, and foundation and slab support—all of which staff will recommend the applicant comply with in order to mitigate potential erosion impacts on the site. SITERC City of Renton P/B/PW Department iministrative Site Plan Approval&Environs Review Committee Staff Report BLACKRIVER RIVERTECH 11 LUA-99-125,SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 3 of 12 • • In order to reduce the potential for erosion and control sedimentation during the clearing, grading, and construction of the site, the applicant will be required to implement temporary erosion/sedimentation control measures as required by RMC section 4-4-030C. The applicant's construction mitigation plan includes the use of siltation fences and sediment ponds. Mitigation Measures: The applicant shall follow the recommendations contained within the Geotechnical Engineering Study, dated November 3, 1999, prepared by Earth Consultants, Inc, with regard to the disturbance, preparation, and construction of the site. Policy Nexus: Environmental (SEPA) Ordinance (2) Water Drainage Impacts: The proposed development would result in approximately 43,560 square feet of impervious surfaces. The site is located near the Black River, but outside of the 200- foot boundary regulated by the City's Shoreline Master Program. A Preliminary Storm Drainage Report prepared by Bush, Roed & Hitchings, Inc., dated August 5, 1999, was submitted with the application. According to the report, storm water on the site is collected in an on-site ditch which releases into an existing 8-inch storm drain. The storm drain then discharges the storm water into an existing 36-inch diameter culvert along the south property line. The water is released westerly into the existing biofiltration drainage ditch along the southern boundary of the site, where it eventually reaches the P-1 channel. Pursuant to agreements with the City that were established by the underlying plat, the development of the site is not required to provide on-site detention. According to these agreements, storm drainage from the property would be discharged undetained into local surface ditches which release into the P-1 channel. Although storm water detention is not required, water quality treatment is necessary for the development of the site. As required, the proposal includes an oil/water separator to treat runoff from the site before discharging into an on-site biofiltration swale. According to FEMA flood maps, the site is located within a potential flood plain area indicated at an elevation of 15 feet. The proposed fill to be used in site preparation would raise the developed areas and building pad to elevations of 16 feet. The City has established its own flood plain elevation datum and has determined that the establishment of the P-1 detention basin area has altered the flood plain elevation in this area to approximately 13 feet. The proposed finished floor elevation of the building is above the estimated flood plain and would not warrant the need for additional mitigation to address potential flooding impacts. Wetland Impacts: A Wetland Delineation Report, dated March, 1999, was prepared by Natural Resource Consulting (NRC) and submitted with the application. According to the report, the site contains a 1.38-acre high quality, category 2 wetland involving scrub-shrub, emergent, seasonally flooded habitat communities. The report also states that the wetland provides moderate biologic and hydrologic functions. The City's wetland regulations require a 50-foot buffer width for category 2 wetlands. The applicant is proposing buffer averaging for the south side of the wetland near the proposed building and parking areas. An existing access road, which was created prior to the adoption of the City's wetland regulations, is located within the proposed reduced buffer area. The roadway does not intrude into the wetland area and will not be modified by the proposal. On behalf of the applicant, NRC has provided written justification for the proposed buffer averaging. According to the justification, the total size of the required buffer area would total 76,742 square feet. The applicant is proposing a reduced 25-foot buffer width along the southern perimeter of the wetland area. An increased buffer area is proposed outside of the required 50-foot width on the north side of the wetland. After buffer averaging, the revised SITERC City of Renton P/B/PW Department dministrative Site Plan Approval&Environn Review Committee Staff Report BLACKRIVER RIVERTECH 11 LUA-99-125,SA-A,ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 4 of 12 buffer area would total 80,138 square feet—3,396 square feet greater than the required standard buffer area. The reduced buffer would not be less than 50% of the required buffer width (25 feet), and would be in compliance with code provisions which allow buffer averaging (RMC 4-3-110J7). The proposal also includes the fill of approximately 840 square feet of wetland area for the development of the site. City code requires the creation and restoration of wetland areas impacted by development. For this specific wetland, the replacement ratio would be required at 2 times the area altered, which would be equivalent to 1,680 square feet of category 2 or better wetland area. A modification from the wetland regulations would be necessary in order to grant wetland mitigation credits for the required compensation of decreased wetland area. In addition to justification for the modification request, NRC has provided documentation from the Army Corp of Engineers stating approval of a nationwide permit for the proposed wetland fill, as well as from the Washington State Department of Ecology exempting the activity from DOE certification In 1984, First City (now known as the Blackriver— Rivertech Corporation) dedicated 17.5- acres of land to the City of Renton for the creation of the P-1 channel and detention basin. According to NRC, the P-1 basin would now be considered a high quality, category 1 wetland due to its size (10-acres), vegetation classes, and habitat value. The wetland areas created and dedicated to the City as part of the applicant's development of the P-1 basin provide adequate compensation for the project's proposed loss in wetland area. If the modification request is approved, the City's granting of the mitigation credits would be consistent with purchase and sale agreements between the applicant and the City of Renton, which involved the dedication of approximately 100-acres of land over the last 15 years. The agreements are conditioned upon the granting of mitigation credits for open space, habitat and sensitive areas purposes to mitigate impacts to wetlands, wildlife, wildlife habitat, open spaces and other sensitive areas which may result from the development of specified properties, including the subject site (referred to as the Rivertech parcel). With the exception of this development application, the applicant has not requested the use of mitigation credits from the City. In addition, the proposed development is intended to be the last phase in the Blackriver— Rivertech development. Therefore, no additional mitigation credits would be necessary. The approval of the applicant's modification request from the wetland regulations by the Administrator of the Planning/Building/Public Works Department will be necessary prior to the approval of the administrative site plan for the proposal. In order to mitigate potential impacts to the wetland during site preparation and building construction, staff will recommend the applicant install silt fencing with brightly colored construction flags to indicate the boundaries of the wetland area and buffer. In order to mitigate future impacts to wetland habitat after the completion of the project, the applicant will be required to install permanent signage and fencing (e.g., split rail) to prevent intrusion into the wetland area and buffers. In addition, the applicant will be required to establish a native growth protection easement for the wetland and wetland buffer area, which prohibits disturbance within the designated boundaries. A draft copy of the easement will need to be approved by the City's Property Services section and the City Attorney before it is recorded. The satisfaction of this requirement will be necessary prior to the issuance of construction or building permits. Mitigation Measures: 1. During site preparation and construction, the applicant shall install silt fencing with brightly colored construction flags to indicate the boundaries of the wetland area and buffer. The satisfaction of this requirement is subject to the review and approval of the Development Services Division. SITERC City of Renton P/B/PW Department 'ministrative Site Plan Approval&Environn ?eview Committee Staff Report BLACKRIVER RIVERTECH II LUA-99-125,SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 5 of 12 2. After the development of the site is complete, the applicant shall install permanent signage and fencing (e.g., split rail)which prevents intrusion, as well as indicates the boundaries, of the wetland area and buffers. The satisfaction of this requirement will be subject to the review and approval of the Development Services Division prior to the final inspection of the building permit. 3. The applicant shall establish a native growth protection easement for the wetland area and buffers. The easement shall prohibit disturbance is to occur within the designated boundary. A draft copy of the easement shall be approved by the City's Property Services section and the City Attorney before it is recorded. The satisfaction of this requirement will be required prior to the issuance of building permits for the property. Policy Nexus: Environmental (SEPA) Ordinance, Wetland Regulations (3) Fire Impacts: The proposal would result in 13,141 square feet of new construction within the City limits. The future use of the site will potentially have need for emergency services which will impact the City's Fire Department. In order to offset the impacts associated with new development, all new construction is subject to a Fire Mitigation Fee. The fee is based on a rate of$0.52 per square foot of new construction. The Fire Mitigation Fee is estimated at $6,833.32 ($0.52 x 13,141 sf= $6,833.32). The Fire Mitigation fee is payable prior to the issuance of building permits. Mitigation Measures: The applicant shall pay the appropriate Fire Mitigation Fee equal to $0.52 per square foot of new construction. The Fire Mitigation Fee shall be paid prior to the issuance of building permits. Policy Nexus: Environmental (SEPA) Ordinance; Fire Mitigation Fee Resolution and adopting ordinance. (4) Transportation Impacts: According to the SEPA Checklist submitted by the applicant, the proposal is anticipated to generate 280 vehicle trips per day. Typically, a Transportation Mitigation Fee based on $75 per new average daily trip would be required for new development in the City. Due to the applicant's previous participation in the Oakesdale Local Improvement District, the Transportation Mitigation fee will not be applicable to this project. Mitigation Measures: No further mitigation is recommended. Policy Nexus: N/A B. Recommendation Based on analysis of probable impacts from the proposal, staff recommends that the Responsible Officials make the following Environmental Determination: DETERMINATION OF DETERMINATION OF NON-SIGNIFICANCE XX NON- SIGNIFICANCE- MITIGATED. Issue DNS with 14 day Appeal Period. Issue DNS-M with 14 day Appeal XX Period. Issue DNS-M with 15 day Comment Period with a Concurrent 14 day Appeal Period. SITERC • City of Renton P/B/PW Department 'ministrative Site Plan Approval&Environr, ?eview Committee Staff Report BLACKRIVER RIVERTECH II LUA-99-125,SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 6 of 12 C. Mitigation Measures 1. The applicant shall follow the recommendations contained within the Geotechnical Engineering Study, dated November 3, 1999, prepared by Earth Consultants, Inc, with regard to the disturbance, preparation, and construction of the site. 2a. During site preparation and construction, the applicant shall install silt fencing with brightly colored construction flags to indicate the boundaries of the wetland area and buffer. The satisfaction of this requirement is subject to the review and approval of the Development Services Division. 2b. After the development of the site is complete, the applicant shall install permanent signage and fencing (e.g., split rail)which prevents intrusion, as well as indicates the boundaries, of the wetland area and buffers. The satisfaction of this requirement will be subject to the review and approval of the Development Services Division prior to the final inspection of the building permit. 2c. The applicant shall establish a native growth protection easement for the wetland area and buffers. The easement shall prohibit disturbance is to occur within the designated boundary. A draft copy of the easement shall be approved by the City's Property Services section and the City Attorney before it is recorded. The satisfaction of this requirement will be required prior to the issuance of building permits for the property. 3. The applicant shall pay the appropriate Fire Mitigation Fee equal to $0.52 per square foot of new construction. The Fire Mitigation Fee shall be paid prior to the issuance of building permits. Advisory Notes to Applicant: The following notes are supplemental information provided in conjunction with the environmental determination. Because these notes are provided as information only, they are not subject to the appeal process for environmental determinations. Planning 1. Garbage dumpster areas must be screened with a 6-foot height of fencing or landscaping. A screening detail must be provided with the building permit application. 2. A separate sign permit application is required for any proposed signage for the project. 3. The site plan must be revised to provide adequate widths for the proposed compact stalls prior to the issuance of building permits. A minimum compact stall width of 81/2 feet is required. 4. The site plan must be revised to provide a pedestrian crosswalk across the vehicle drive aisle that connects the walkway on the south side of the property to the entrance of the building. This will be required prior to the issuance of building permits. 5. Based on FEMA maps, the project site is designated as a flood way. However, City data indicates the flood way elevation to be at 13 feet. Building 1. There appears to be conflicts in the Soils Reports submitted with the application. These conflicts will need to be addressed at the time of Building Permit application review. Fire Prevention 1. The preliminary fire flow is 1750 gpm. One hydrant is required within 150 feet of the structure and one additional hydrant is required within 300 feet of the structure. 2. Separate plans and permit are required for the installation of fire alarm and sprinkler systems. 3. Fire Department access roadways are required to be within 150 feet of all portions of the building exterior. Roadways must be a minimum of 20 feet in width, with a turning radius of 45-feet on the outside and 25-feet on the inside. 4. Fire Department dead-end access roadways over 150 feet in length are required to have an approved turnaround. SITERC City of Renton P/B/PW Department Iministrative Site Plan Approval&Environr, ?eview Committee Staff Report BLACKRIVER RIVERTECH II LUA-99-125,SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 7 of 12 5. Provide a list of the flammable, combustible liquids and any hazardous chemical to be used or stored on-site. Plan Review—Sewer 1. The proposed building will be required to connect to the City of Renton's sanitary sewer system via side sewer to serve the site. A side sewer permit will be required at a fee of$80.00 per connection. 2. Waste water System Development Charges based on $0.078 per square foot of gross site area will be required. Plan Review— Drainage 1. Storm drainage plans and temporary erosion/sedimentation plans will be required to meet the 1990 KCSWDM as adopted by the City of Renton. 2. Surface water System Development Charges based on $0.129 per square foot of new impervious area installed on the site will be required. 3. No detention is required per earlier agreements with the City for the underlying plat. Water quality treatment is to be provided as shown. 4. The finished floor elevation of the proposed building at 16 feet is above the flood plain elevation determined by the City to be 13 feet. There appears to be adequate floodwater retention. Plan Review—Water 1. All new water mains, fire hydrants, and fire control sprinkler systems will be required to meet current Fire Code/Regulations. 2. Water System Development Charges based on $0.113 per square foot of gross site area will be required. 3. Domestic and irrigation water meters will be required to serve the site. Plan Review—Transportation 1. No traffic mitigation fee is required for this project based on the applicant's earlier participation in the Oakesdale LID. Refer to SEPA Checklist (page 12) for further information. 2. Street improvements are already in place in Powell Avenue SW, which include curb, gutters, sidewalk street paving and streetlights. Police 1. Estimate 6.98 police calls for service annually, based on the square footage of the business. Most calls are estimated to occur during the construction phase. To help reduce the incidents of commercial burglary, theft and vandalism that will occur during construction, it is recommended that the applicant provide temporary security fencing around the site. All tools and equipment will need to be secured when not in use, security lighting will need to be in place during the hours of darkness, and any construction/office trailer will need auxiliary locking devices, dead-bolts on metal doors, and metal bars over any windows to help prevent illegal entry. It is recommended that all tools have their serial numbers recorded to aid police in returning them to the victim if the items are stolen and later recovered. 2. This building will be at the end of Powell Avenue SW. This area in Renton reports crimes such as Commercial Burglary, Car Prowl and Auto Theft. In order to reduce the number of these crimes on the property, the building will need security lighting, metal doors with dead-bolt locks, and a monitored security alarm system. Since the site is by itself at the end of the road, it is recommended that fencing be installed around the building and parking lot of a type that can be secured at the end of the workday. This will help to prevent unlawful trespassing and other crimes on the property after business hours. It is recommended that the business post the correct"No Trespass" signs on the property, both during and after construction. This will aid police in making arrests on the property for trespass, and before other, more serious crimes occur. SITERC City of Renton P/B/PW Department fministrative Site Plan Approval&Environr. ?eview Committee Staff Report BLACKRIVER RIVERTECH ll LUA-99-125,SA-A,ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 8 of 12 • PART THREE: ADMINISTRATIVE LAND USE ACTION - REPORT & DECISION This decision on the administrative land use action is made concurrently with the environmental determination. A. Type of Land Use Action XX Site Plan Review Shoreline Substantial Development Permit Conditional Use Binding Site Plan Special Permit for Grade &Fill Administrative Code Determination B. Exhibits The following exhibits were entered into the record: Exhibit No. 1: Yellow file containing: application, proof of posting and publication, environmental review and other documentation pertinent to this request. Exhibit No. 2: Drawing No. 1, Site Plan (Received August 26, 1999). Exhibit No. 3: Drawing No. 2, Building Floor Plan (Received August 26, 1999). Exhibit No. 4: Drawing No. 3, Building Elevation (Received August 26, 1999). Exhibit No. 5: Drawing No. 4, Landscape Plan (Received August 26, 1999). Exhibit No. 6: Drawing No. 5, Tree Cutting and Land Clearing Plan (Received August 26, 1999). Exhibit No. 7: Drawing No. 6, Utility and Grading Plan (Received August 26, 1999). Exhibit No. 8: Drawing No. 7, Neighborhood Detail Map (Received August 26, 1999). C. Consistency with Site Plan Criteria In reviewing the proposal with respect to the Site Plan Approval Criteria set forth in Section 4-9-200 of the Site Plan Ordinance, the following issues have been identified by City Departmental Reviewers and Divisional Reviewers: 1. Conformance with the comprehensive plan, its elements and policies; The subject site is designated Employment Area — Valley (EAV) on the City's Comprehensive Plan Land Use Map. The intent of the EAV designation is to provide for a mix of employment-based uses, including commercial, office and industrial development to support the economic development of the City of Renton (Objective LU-EEa). The proposal is consistent with the following policies intended to guide development in the EAV land use designation: Policy LU-212.1. Develop the Renton Valley and the Black River Valley areas as a place for a range and variety of commercial, office, and industrial uses. The proposal is to develop an office building in a location within the Black River Valley area. The proposed use is situated in an area that is currently developed with a variety and range of existing office and industrial uses. Policy LU-212.2. Compatible and related land uses should be encouraged to locate in proximity to one another. The proposed office building would be within close proximity to existing office and industrial buildings, all of which are compatible with the proposed use. 2. Conformance with existing land use regulations; The subject site is located in the Commercial Office (CO) zoning designation. The purpose of the CO zone is to provide areas appropriate for professional, administrative, and business offices and/or related uses. The proposal's satisfaction of the applicable development standards of the CO zone is discussed below: Lot Coverage — The CO zone allows a maximum building coverage of 65% of the site area. The proposed building footprint totals approximately 13,141 square feet. This would arrive at a building lot coverage of 6% of the site, which is well below the maximum permitted. SITERC City of Renton P/B/PW Department rninistrative Site Plan Approval&Environr. ?eview Committee Staff Report BLACKRIVER RIVERTECH ll LUA-99-125,SA-A,ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 9 of 12 Setbacks — The minimum front yard setback required in the CO zone is relative to the height of the proposed building. For buildings less than 25 feet in height (the proposal is for 20 feet), a minimum front yard setback of 15 feet is required. The proposal satisfies this requirement with the provision of a 34-foot setback from site's front property line. No rear or side yard setbacks are required unless the site is abutting or adjacent to a residentially zoned property, in which case a minimum setback of 15 feet is required. The subject site abuts property designated Residential Multi-Family — Infill (RM-I) along the northern property line. The proposed building is located approximately 70 feet south of this boundary at its closest point, thereby satisfying this requirement. Landscaping —When abutting residentially zoned property, a 15-foot wide landscaped visual buffer must be provided. The site's northern boundary line abuts property zoned RM-I and also transects a category 2 wetland that encompasses the majority of the site. The City's wetland regulations prohibit the disturbance or alteration of wetland areas. Along the north elevation of the building, a 15-foot landscape width that includes tree and shrub plantings is proposed. When combined, the proposed plantings and the 70-foot setback area that includes the wetland area and buffer, provide an adequate visual buffer for the abutting RM-I designated property. In addition, properties located in the Green River Valley Planning Area are required to dedicate a minimum of 2% of the site area to natural landscaping. The portion of the site that includes the wetland and is not proposed to be disturbed is approximately 1.39 acres in size. This preserved area exceeds the minimum 2% natural landscape requirement. Building Height—The maximum building height permitted in the CO zone is 250 feet. The proposed office building is one story and would have a height of 20 feet. The screening provided for rooftop equipment would reach a total height of 26 feet for that portion of the building. All areas of the proposed building would comply with the height limitations of the zone. Parking — The parking regulations require a minimum of 3 to a maximum of 4.5 parking spaces for every 1,000 square feet of floor area dedicated to office use. For the proposed 13,141 square foot office building, a minimum of 39 to a maximum of 59 parking stalls must be provided on-site. The proposal includes 53 stalls, including 13 compact and 3 ADA accessible spaces. The proposed number of compact and ADA stalls comply with the amount of spaces allowed and/or required. Standard ninety-degree parking stalls are required to be 9 feet wide and 20 feet long and compact stalls must be 8' feet wide and 16 feet long. In addition, ninety-degree stalls require a minimum aisle width of 24 feet. The proposal satisfies the minimum standards for stall sizes and aisle width, with the exception of the width proposed for the compact stalls. The site plan indicates a stall width of 8 feet, which does not satisfy the minimum 8%2-foot width required. The applicant will need to revise the site plan in order to provide the appropriate compact stall width prior to the issuance of building permits. 3. Mitigation of impacts to surrounding properties and uses; The subject site is surrounded by existing office and industrial buildings, which are not anticipated to be impacted by the development. There are also multi-family residences located northwest of the site across the abutting Burlington Northern Railroad right-of-way. When considering the distance separating the residential uses from the site (over 200 feet) and the natural and proposed landscaping to be located between the north property line and the proposed building, impacts to surrounding properties and uses would be minimal. Potential short-term noise and traffic impacts would result from the initial construction of the project to adjacent properties. These impacts would be mitigated by existing code provisions that limit construction work hours. The applicant's construction mitigation plan also indicates proposed work hours from 7:00 am to 6:00 pm. SITERC City of Renton P/B/PW Department fministrative Site Plan Approval&Environn ?eview Committee Staff Report BLACKRIVER RIVERTECH II LUA-99-125,SA-A,ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 10 of 12 4. Mitigation of impacts of the proposed site plan to the site; The site contains a 1.38-acre high quality, category 2 wetland. The proposal includes the fill of approximately 840 square feet of the wetland, as well as the averaging of the required 50-foot buffer width. As discussed under the Environmental Review portion of this report, mitigation credits have been granted based on the applicant's creation of wetlands associated with the development of the P-1 detention basin. The applicant will be required to install fencing to protect the wetland area and buffers during site construction and after the completion of the project. The applicant's construction mitigation plan also indicates the use of erosion control measures, such as silt fences, dust watering, and sediment pond, to be implemented during construction to mitigate potential impacts to the site. 5. Conservation of area-wide property values; The proposal would allow for the development of a site that is currently vacant and underutilized. The project is anticipated to conserve or enhance area-wide property values in the vicinity. 6. Safety and efficiency of vehicle and pedestrian circulation; A 28-foot single driveway off the north end of the Powell Avenue SW cul-de-sac would provide access to the proposed development. Access easements are also established across the adjacent property on the west side of the site. The proposed drive aisles and back out distances for the proposed parking and circulation areas appear to comply with code requirements. The site plan does not provide for an adequate pedestrian connection as required in the CO zone. Prior to the issuance of building permits, the proposal will be required to provide adequate pathways that connect the parking areas to the building entrance in order to ensure safe pedestrian circulation on the site. 7. Provision of adequate light and air; The proposed structure is sufficiently designed and setback from the property lines to provide adequate light and air circulation to the building and the site. 8. Mitigation of noise, odors and other harmful or unhealthy conditions; It is anticipated that minimal noise and odors impacts would result from the initial construction of the site. These short-term impacts would be mitigated by the applicant's construction mitigation plan, which includes limiting work hours to 7:00 am to 6:00 pm. The proposed development would not generate any harmful or unhealthy conditions. Noise impacts associated with increased traffic and activities resulting from the completed office building would not increase significantly above existing conditions. 9. Availability of public services and facilities to accommodate the proposed use; and There are adequate and available public services and facilities to accommodate the proposed development. In order to compensate for the increased demand on public services resulting from the completed project, the applicant will be required to pay the Fire Mitigation fee as imposed by the Environmental Review Committee. 10. Prevention of neighborhood deterioration and blight. The proposal would serve to prevent neighborhood deterioration and blight by developing a currently vacant property into an improved office building development. XX Copies of all Review Comments are contained in the Official File. Copies of all Review Comments are attached to this report. SITERC • City of Renton P/B/PW Department !ministrative Site Plan Approval&Environr, ?eview Committee Staff Report BLACKRIVER RIVERTECH II LUA-99-125,SA-A,ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 11 of 12 • D. Findings, Conclusions & Decision Having reviewed the written record in the matter, the City now enters the following: 1) Request: The Applicant has requested Environmental Review and Site Plan Approval for the Blackriver Rivertech II Building, Project No. LUA-99-125, SA-A, ECF. 2) Environmental Review: The applicant's file containing the application, State Environmental Policy Act (SEPA) documentation, the comments from various City departments, the public notices requesting citizen comment, and other pertinent documents was entered as Exhibit No. 1. 3) Site Plan Review: The applicant's site plan application complies with the requirements for information for site plan review, provided all advisory notes and conditions of approval are complied with. The applicant's site plan and other project drawings are entered as Exhibits No. 2 through 8. 4) Comprehensive Plan: The subject proposal is consistent with the Comprehensive Plan designation of Employment Area—Valley (EAV). 5) Zoning: The Site Plan as presented, complies with the zoning requirements and development standards of the Commercial Office (CO) Zoning designation. 6) Existing Land Use: Land uses surrounding the subject site include: North: Developed property, zoned Residential Multi-family — Infill (RM-I); East: Developed property, zoned Commercial Office (CO); South: Developed property, zoned Medium Industrial (IM) and West: Developed property, zoned Residential Multi-family— Infill (RM-I) and Medium Industrial (IM). E. Conclusions 1) The subject proposal complies with the policies and codes of the City of Renton, provided all advisory notes and conditions of approval are complied with. 2) The proposal complies with the Comprehensive Plan designation of Employment Area — Valley (EAV); and the Zoning designation of Commercial Office (CO). F. Decision The Site Plan for the Blackriver Rivertech II Building, File No. LUA-99-125, SA-A, ECF, is approved subject to the following condition: 1. The applicant shall obtain approval of the wetland modification request, which allows for the granting of wetland mitigation credits for the proposed development. EFFECTIVE DATE OF DECISION ON LAND USE ACTION: SIGNATURES: Jan -Flan on,Zoning Administrator date SITERC City of Renton P/B/PW Department dministrative Site Plan Approval&Environr. Review Committee Staff Report BLACKRIVER RIVERTECH ll LUA-99-125,SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 12 of 12 TRANSMITTED this 6th day of December, 1999 to the applicant and owner: Blackriver-Rivertech LLC(owner) do Alp_er Northwest 700 5 Avenue,Suite 6000 Seattle,WA 98104 LPN Architects and Planners(applicant) Royce A. Berg 1535 4th Avenue South, Suite D Seattle,WA 98134 TRANSMITTED this 6th day of December, 1999 to the following: Larry Meckling,Building Official C.Duffy,Fire Prevention Neil Watts,Public Works Division Lawrence J.Warren,City Attorney South County Journal Environmental Determination and Land Use Decision Appeal Process Appeals of either the environmental determination [RCW 43.21.0075(3),WAC 197-11-680] and/or the land use decision must be filed in writing on or before 5:00 PM December 20, 1999. If no appeals are filed by this date, both actions will become final. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425)430-6510. SITERC PROPERTY LINE PROPERTY LINEI 0 EDGE OF ALTLANO,VARIES -0. Ir PARKING ANC PARKING IIAA-. LI i RAILROAD Z I\_ TRACKS iiii WEiLAHO Mt AREA I r•�r . 111111_IItIII_IIIIHIM l CC wIC W =IIIIIIIIIII IIIII= F ni umu—n —mm—ml MI unµo mI nnn_IIIIII—I IIFIIIIIhIIIIII ���� �I�I� IIIIII IIIIII=���I= a. 11 IIIhlrlel=11-111111 111111111111—I —111111-111111-111111=111111=111111 -111111111�1-11�111�111111M111111 11111=111111111111=1111 111111111111M1111111111 J O 1- I I _j> W ( WETLANDS J ill CC WETLAND FAL Q 4 AREA.VARIES V t L/GRMG U= 1- Y (OUTBID[IE .0 WETLANDs)AD U Cr W Z a SITE SECTION - AA 20' 1 w,_- F TABULATION-LEGEND -LL>ii CC 0 ACCESS SITE AREA 3217.800 SF(5 ACRES) EXISTING WETLAND 360.348 SF(1.38 ACRES) I d EA M BUILDING AREA 213,111 SF 53 STALLS_ RFC.IRA NIo2eIae1 IMPERVIOUS SURFACE 341560 SF(1 ACRE) PA PARKINGKING RATIO OED 40) 4.0 STAG S/10 PROPOSED CC 0= INCLUDES EXIST.ROADS STANDARD 9•X20'(18•+2) 37 W LANDSCAPE S.F. 3174,240 S.F.TOTAL W/WETLAND COMPACT 8'X16' 13 CC Q •___,1 ) FORMAL 319.000 S.F. H.C.ACCESSIBLE 8'+5'X20' 2 CC > _ I r•, PARKING 35,340 S.F. H.C.VAN 8'+8'X20' I Y cc Fr ' ' NATURAL 3149,900 S.F. LOADING AREA 30X30' (.)W Y 0 . \ AREA OF STRUCTUAL FILL 2950 CUBIC YARDS,INCLUDES V' f BUILDING HEIGHT ALLOWED 250 FT./PROPOSED 20 FT. 3840 S.F.(0.02 ACRES)OF Q Zi- NI 1'.'•• , BUILDING SETBACKS PERMITTED WETLAND FILL J J J W cc III 1 ' . ' -.2% REQUIRED S 15 FT. PROPOSED S 34 FT. m Q m T. :I IZ 111 1.•••E••••••••1`�' r• P Ate— fXIST/NO euRCl/y0T0 W O FT.. W 600 OFFT. II i 1.;.KCGTAnoN_•,•,i \� N WORT h'ERp II 11 i '• T; • ••'••,•'•,•A • L RAI�RO and PLANNING i •�1 •K r • r ,i .''. .'.:.' •. sLroE w AD TR Ei I r, .f AC O.CE A.UK:.KKwCWAI III C 1 1, . • ••••••• •1 f /\` KS isu[IN Hwmw wno CJ• /-, C III LI4IN • • • \ T ••,• . fWPA>PDYI MX NJ07tKl I R Q i` •• I• IRIt•OF MAX FILL•.•. .•.••--...•'••• , . , , 40t • • • • • • • • • • • • • • • • • • • • .AR[At/101CdG••': •�• •'I Q ,,• - ri TAN.SETBACK L.••• . I ' '.•.•.•.-. '• 50•AeEflAGE SETBACK n \• ••• •• •� • •. . • 1..I��{{I'! 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L-I Z 0 I.- Z • TYPICAL ARIA IICUNICO PANTED NYAC SCREEN TYPICAL REVEAL TYPICAL PANTED CONCRETE MTED CLASS.ALUR:Wu = l.CH15 ON MECHANICAL Owl.YIP. MNCIAA710N PANELS (RAu( CO w �. z o�_—_ o O 0 �l — 1 O U W Z %.. 1. 1. _ . Y Wci CC Z < Z a. SOUTH ELEVATION 1/8' • W r- I- >cO <z C. Cr o°0 co~ 0 • -.1/4 W En >U ¢3 —o 0 Li—,— !i71 ID 0 • l Z Iii j Y� ¢i UW VO 0< m¢ 11. WEST ELEVATION / ENTRY 1/8' I ARC NITECTURE Ono PLANNING vU.cL A.LA.G.r...CrAL Y.KW L.C.W.n..C►.0 I131. nrn oLawny. LnH wnLawny.wALKNLLC..NIL 1.6156.1411o..313.0104 C:=1 O — r NO V(S.NYIIW f PRELWNART 7 ST(RAN APPROVAL 1 NORTH ELEVATION 1/8' MATURES ...RAD 250S RJ 277Y SPOOL ORl KAD Kt Tr.AITMO ��7f.`==.y�Ar _ • , �_.�`� C°NTOU7 •~ KAD ELEVATIONS _ __ - ,�. I—�1�� .. .. H"''."1rd.:9900I/RIY-O3DWG r ....�..ti �• r ...es... Lr4—+�17. JL.tl NU. YY001 oIEE1 N0(i. GATE. 7-1►1111 ON SITE LIGHTING FIXTURES 0 5-� EAST ELEVATION , 1/8' ""1 ° A-3 z 0 T- C7 Z_ 2 En CC < w a O 0 ow , Jw CCCC p 1 •. W-V I Y 0 CC wZ < wILI 1- ►-- >CO <Z ¢o mi.- o= ull -0 w CC (-)V) >O ¢< /� crZ > %>\ F UW Er TBYNT WARR 9 a n. V~ i ma m¢ r r--T ♦.` . 11 I ♦♦; , ♦. ly 1 El:oue 1 I r. 1E�` 1 I 1 IORRT Ti • AL •1?>< • \\ fl .�• aI �\ �lu.Wl� DA •• q 1 VXIIIWMMI 1- ERTRIPLAZA • TNifA Llf Ru.AvPROV.1. 8-1 • • MIND - cJ • • FLOOR PLAN i -s ±13,141 S.F.0 5 0' TO' " Eic 9900e/RIV-A2 OWG 1. JOU NJ INOM y !I MI Ur". 1 wand I DRAWN RANT A-2 FLOOR PLAN 1/8'I 1 01E« V CITY OF RENTON PLANNING/BUILDING/PUBLIC WORKS MEMORANDUM DATE: June 30,2000 TO: Lesley Nishihira FROM: Sonja J. FesserR SUBJECT: Native Growth Protection Easement,Blackriver Rivertech II Bldg Legal Description Review Bob Mac Onie and I have reviewed the above referenced legal description and find it to be satisfactory. \U:\SFESSER\NGPEBLKR.DOC CITY OF RENTON Planning/Building/Public Works MEMORANDUM DATE: June 20, 2000 TO: Sonja Fesser, Property Services RECEIVED FROM: Lesley Nishihira, Development/Planning` JUN 2 0 2000 CITY OF RENTON SUBJECT: Native Growth Protection Easement UTILITY SYSTEMS Blackriver Rivertech II Building 500 Powell Avenue SW As a SEPA mitigation measure for the land use application for the Blackriver Rivertech II Building (LUA-99-125, SA-A, ECF), the applicant was required to establish a native growth protection easement for the wetland area and buffers contained within the property. A copy of the applicant's draft easement is attached. Please review the document for the appropriate legal descriptions. A copy of the document has also been forwarded to the City Attorney for review of the format and language. If you have any questions, please contact me at 430-7270. ,► f Filed for Record by and After Recording Return to: Mr. Dean R. Erickson Senior Vice President TriMet Development LLC 700 Fifth Avenue, Suite 6000 Seattle, WA 98104 NATIVE GROWTH PROTECTION EASEMENT Grantor: Blackriver-Rivertech LLC Grantee: The City of Renton Legal Description: Abbreviated Legal Description: A portion of the southeast '/4 of Section 13,Township 23 North, Range 4 East W.M. and the southwest '/4 of Section 18, Township 23 North, Range 5 East W.M. Full Legal Description: See Exhibits A, A-1 and B attached Assessor's Tax Parcel No.: 132304-9086-02 THIS NATIVE GROWTH PROTECTION EASEMENT (the "Easement") is made as of this day of June, 2000 by Blackriver-Rivertech LLC, a Washington limited liability Company("Grantor"). Recitals A. Grantor is the Owner of certain real property located in the City of Renton, King County, Washington, legally described in Exhibit A, attached hereto (the "Easement Area"). B. Grantor is also the Owner of other adjacent property located in the City of Renton, King County, Washington, legally described in Exhibit B, attached hereto (the"Underlying Property"). B. Grantor wishes to create an easement over the Easement Area for the benefit of the public. - 1 - J U N - 9 Z000 7 r„ r n N(.` Declaration NOW, THEREFORE, Grantor hereby declares as follows: 1. Easement Area. Grantor hereby grants and conveys a permanent easement over the Easement Area for the benefit of the public(the"Native Growth Protection Easement"). 2. Use of Easement Area. The creation of the Native Growth Protection Easement conveys to the public a beneficial interest in the land within the Easement Area. The interest shall be for the purpose of protecting wetland area and preserving native vegetation and animal habitat. The Native Growth Protection Easement prohibits all present and future owners of the Easement Area, enforceable on behalf of the public by the City of Renton, from any activities within the Easement Area causing disturbance to the wetland area and native vegetation. 3. Running with the Land. This Easement shall run with the land and shall be binding upon and inure to the benefit of the owners of the Easement Area and the Underlying Property and their heirs, successors and assigns. 4. Attorney Fees. The prevailing party in any action brought to enforce or interpret the terms of this Easement shall be entitled to recover its costs and reasonable attorney fees incurred in said action, including on appeal, whether or not suit is commenced. DECLARANT: BLACKRIVER-RIVERTECH LLC,a Washington limited liability company By: BLACKRIVER TRISTAR LLC, a Delaware limited liability company, its manager By: STARWOOD TRIMET SEATTLE DEVELOPMENT I, LLC, a Delaware limited liability company, its sole member By: TRIMET DEVELOPMENT LLC, a Washington limited liability company, an authorized managing member By: Kenneth V. Bellamy Its: Managing Director By: Dean R. Erickson Its: Senior Vice President -2 - J U N - 9 2000 STATE OF WASHINGTON ) )SS. COUNTY OF KING ) On this day of June, 2000 before me,the undersigned, a Notary Public in and for the State of Washington, duly commissioned and sworn personally appeared Kenneth V. Bellamy and Dean R. Erickson, known to me to be the Managing Director and Senior Vice President, respectively, of TRIMET DEVELOPMENT LLC, a Washington limited liability company, an authorized managing member of STARWOOD TRIMET SEATTLE DEVELOPMENT I,LLC, the sole member of BLACKRIVER TRISTAR LLC,the manager of BLACKRIVER- RIVERTECH LLC, a Washington limited liability company that executed the foregoing instrument, and acknowledged the said instrument to be the free and voluntary act and deed of said limited liability companies, for the purposes therein mentioned, and on oath stated that he/she was authorized to execute said instrument. I certify that I know or have satisfactory evidence that the person appearing before me and Making this acknowledgment is the person whose true signature appears on this document. WITNESS my hand and official seal hereto affixed the day and year in the certificate above written. Signature Printed Name NOTARY PUBLIC in and for the State of Washington, Residing My commission expires g. -3 - , • JUN - 9 2000 EXHIBIT A NATIVE GROWTH PROTECTION EASEMENT DESCRIPTION THAT PORTION OF THE SOUTHEAST QUARTER OF SECTION 13 , TOWNSHIP 23 NORTH, RANGE 4 EAST, W.M. , KING COUNTY, WASHINGTON, DESCRIBED AS FOLLOWS: COMMENCING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST QUARTER WITH THE NORTH LINE OF THE SOUTH 650.00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER AS RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF SAID COUNTY, THENCE NORTH 88°15 '00" WEST 1,099.78 FEET ALONG SAID NORTH LINE; THENCE NORTH O1°45'00" EAST 418.89 FEET TO A POINT ON THE SOUTHERLY 'LINE OF THE' CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT-OF-WAY, AND THE BEGINNING OF A NON-TANGENT CURVE CONCAVE NORTHEASTERLY HAVING A RADIUS OF 1005.37 FEET (A RADIAL LINE TO SAID BEGINNING BEARS SOUTH 38°15' 05" WEST) ; THENCE SOUTHEASTERLY 52.37 FEET ALONG SAID CURVE AND SOUTHERLY LINE THROUGH A CENTRAL ANGLE OF 02°59'04" TO THE TRUE POINT OF BEGINNING; THENCE CONTINUING SOUTHEASTERLY 293 . 93 FEET ALONG SAID CURVE AND SOUTHERLY LINE THROUGH A CENTRAL ANGLE OF 16°45'04"; THENCE SOUTH 71°29 '03" EAST 581.58 FEET ALONG SAID SOUTHERLY LINE; THENCE NORTH 81°49 '54" WEST 245.61 FEET; THENCE NORTH 66°49'25" WEST 128.74 FEET; THENCE SOUTH 77°40'22" WEST 91.36 FEET; THENCE SOUTH 51°17 '34" WEST 80.03 FEET; THENCE SOUTH 88°12 '-15" WEST 141.33 FEET; THENCE NORTH 69°38' 03" WEST 162.33 FEET TO A POINT WHICH BEARS SOUTH 01°23 ' 53" EAST FROM THE TRUE POINT OF BEGINNING; THENCE NORTH 01°23 ' 53" WEST 249.16 FEET TO THE TRUE POINT OF BEGINNING. THE PARCEL DESCRIBED ABOVE CONTAINS 84,495 SQUARE FEET (1.940 ACRES) , MORE OR LESS. SITUATE IN THE CITY OF RENTON, KING COUNTY, WASHINGTON. AS a?W ti �f BLACKRIVER-RIVERTECH L.L.C. C+ 500 POWELL AVENUE BUILDING WILLIAM A. HICKOX, P.L.S. �-� BRH JOB NO. 99196.02 �. , z4rs C' i JUNE 7, 2000 6-7-ao • J,T,V DervMs stir; AI JUN - 920DD _.- i : .ii ;\J I .I �, , - U N , , il , - cn ----- , o'i BR H N 3 �.° c �`'i R= T BUSH,ROED&}ETCHINGS,INC_ T -a CIVIL ENGINEERS&LAND SURVEYORS A. Z 1a52.5901" L=S23T 2009 MINOR AVE E. (206)323-4144 TP.OB. SEATTLE,WA 98102-3513 -'o. um j' { s-,005.3I 100 G_16•<SO4' 100 50 0 N'V3 v:a�Z 12;tiL v 29Q8r SCALE- Pi FEET . � r=100 6-7-00 74` c' - SP m 31 &P R/ EXHIBIT A-1 a g` RreKRRI NATIVE GROWTH PROTECTION -1 im EASEMENT SKETCH .� o =� �7'20. 500 POWELL AVENUE BUILDING 'I' d I N.G.P.A. ° PREPARED FOR: BLACKRIVER: RIVERTECH, L.L.C. 1 �° �� s. W Z ,.s19 ` 48 a, W ��`�\ S88'1215"W_�" N8T48S4=W vi 1��3` 245.8T 16t33' 3 J UJ • N8815"001V 1099.78' WASHINGTON TECHNICAL CENTER - V. 122, P. 98-102 PONT OF COMAWNCING J EDIT inarmnmaaN THAT PORTION OF THE SOUTHEAST 1/4 OF SECTION 13 , TOWNSHIP 23 NORTH, RANGE 4 EAST W.M. AND THE SOUTHWEST 1/4 OF SECTION 18 , TOWNSHIP 23 NORTH, RANGE 5 EAST W.M. , DESCRIBED AS FOLLOWS : BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST 1/4 WITH THE NORTH LINE OF THE SOUTH 650 . 00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER, AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; THENCE NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 1099 . 78 FEET; THENCE NORTH 01 DEGREES 45 MINUTES 00 SECONDS EAST 418 . 89 FEET TO A POINT ON THE SOUTHERLY LINE OF THE: CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT-OF-WAY SAID POINT BEING ON A CURVE WITH A RADIUS OF 1005 .37 FEET, THE RADIUS OF WHICH BEARS NORTH 38 DEGREES 15 MINUTES 05 SECONDS EAST; THENCE SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346 . 30 FEET; THENCE SOUTH 71 DEGREES 29 MINUTES 03 SECONDS EAST ALONG SAID SOUTHERLY LINE 912 . 08 FEET TO THE NORTH LINE OF THE SOUTH 650 . 00 FEET OF THE SOUTHWEST 1/4 OF THE SOUTHWEST 1/4 OF SAID SECTION 18 ; THENCE NORTH 89 DEGREES 10 MINUTES 25 SECONDS WEST ALONG SAID NORTH LINE 81 . 57 FEET TO THE POINT OF BEGINNING; SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON. . tic*" c. p CITY OF RENTON V/�) 9. ..i. ; ` - Planning/Building/Public Works Department � ka Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator December 21, 1999 Mr. Royce Berg 1535 Fourth Avenue South, Suite D Seattle,WA 98134 SUBJECT: Blackriver Rivertech II Project No. LUA-99-125,SA-A,ECF Dear Mr. Berg: This letter is to inform you that the comment and appeal periods have ended for the Environmental Review Committee's (ERC) Determination of Non-Significance - Mitigated for the above-referenced project. No appeals were filed on either the environmental determination or the administrative site plan approval. This decision is final and application for the appropriately required permits may proceed. The applicant must comply with all ERC Mitigation Measures and Site Plan Conditions of Approval. If you have any questions, please feel free to contact me at(425)430-7270. For the Environmental Review Committee, -1--( Lesley Nis i ir. Project Manager cc: Blackriver-RiverTech LLC/Owners FINAL 1055 South Grady Way-Renton, Washington 98055 ichthis n.ndar rnnminc Sm..arwrm,d,.,.room 9n i nnct rn„el!mar .. CITY- RENTON .,LL 1.; Planning/Building/Public Works Department Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator December 7, 1999 Theresa R. Henson Natural Resource Ecologist Natural Resource Consulting P.O. Box 7208 Tacoma, WA 98407 SUBJECT: REQUEST FOR MODIFICATION OF THE WETLAND REGULATIONS -BLACK RIVER—RIVERTECH II BUILDING,FILE NO. LUA-99-125, SA-A,ECF Dear Ms. Henson: We have reviewed your attached request for a modification of the wetland regulations for the Blackriver Rivertech II Building in Renton. Our evaluation and decision follows. Summary of Request The applicant, LPN Architects, has requested a modification from section 4-3-110M4 of the City's Wetland Regulations. In order to develop the Rivertech office building, the applicant is proposing to fill 840 square feet of category 2 wetland area. The wetland regulations require compensation for any loss of wetland area. For the proposed fill, the applicant would be required to create 2 times the area altered, or 1,680 square feet of category 2 or better wetland. The applicant is proposing to use wetland mitigation credits granted by the City for the required compensation. Section 4-3-110N allows the Administrator to grant modifications frorrrthe wetland regulations for individual cases provided that the modification meets the following criteria: a. Will still meet the objectives of environmental protection, safety, function and maintainability intended by the Code requirements, based upon sound scientific judgment; b. Will not be injurious to other property(ies) in the vicinity; c. Result in no net loss of wetland or buffer area and function and value from that approved in the original project plan; d. Will be made prior to detailed engineering and design, such as during site plan review, short plat, preliminary plat approval or the pre-application phase of planned unit development; and e. Will be documented and entered as part of the official wetland permit file. Document2\cor 1055 South Grady Way- Renton, Washington 98055 December 7, 1999 Page 2 Background The subject proposal is for the development of a 13,141 square foot office building on a 5-acre site located in the Commercial Office (CO) zone. The subject site is currently undeveloped with the exception of a paved access road, which leads to the existing Rivertech I development on the west adjacent parcel. The site contains a 1.38-acre high quality, category 2 wetland. The development of the project would require the fill of 840 square feet of wetland area on the south side of the site. In this case, section 4-3-110M4 of the wetland regulations requires wetland compensation at 2 times the area altered. Therefore, the applicant would be required to create 1,680 square feet of category 2 or better wetland. In lieu of the wetland creation, the applicant is proposing the use of wetland mitigation credits previously granted to them by the City. In order to allow for the use of mitigation credits, a modification request from the wetland regulations was included with the project application. In 1984, First City (now known as the Blackriver— Rivertech Corporation) dedicated 17.5-acres of land to the City of Renton for the creation of the P-1 channel and detention basin. A wildlife habitat planting plan was included in the development of the channel and floodwater storage pond. On behalf of the applicant, Theresa Henson of Natural Resource Consulting has submitted justification for the modification request, The justification contends that the wetland areas created and dedicated to the City as part of the applicant's development of the P-1 basin provide adequate compensation for the project's proposed loss in wetland area. If the modification request is approved, the City's granting of the mitigation credits would be consistent with purchase and sale agreements over the last 15 years between the applicant and the City of Renton involving the dedication of approximately 100-acres of land. The agreements are conditioned upon the granting of mitigation credits for open space, habitat and sensitive areas purposes to mitigate impacts to wetlands, wildlife, wildlife habitat, open spaces and other sensitive areas which may result from the development of specified properties, including the subject site (referred to as the Rivertech parcel). With the exception of this development application, the applicant has not requested the use of mitigation credits from the City. In addition, the proposed development is intended to be the last phase in the Blackriver— Rivertech development. Therefore, no additional mitigation credits would be necessary. The approval of the wetland modification will be required as a condition of approval for the proposed site plan. In the event the modification request is not approved, the applicant will be required to satisfy all requirements of the wetland regulations. Analysis 1.) Will still meet the objectives of environmental protection, safety,function and maintainability intended by the Code requirements, based upon sound scientific judgment. Document2\cor December 7, 1999 Page 3 The U.S. Army Corps of Engineers and the Washington State Department of Ecology has approved the proposed fill of 840 square feet of high quality, category 2 wetland. According to the applicant, in order to obtain such approval the proposed impacts have been determined to be small. In addition, the applicant contends that its dedication of land and coordination with federal, state and local agencies for the creation of the P-1 Detention Basin and associated wetland more than compensate for the size and function of the impacted wetland area on the Rivertech parcel. Based on an evaluation of the site performed by Theresa Henson of Natural Resources Consulting, approximately 17-acres of open water, shrub, and emergent wetland were created on the P-1 property. The islands and banks of the ponded system were planted and have been maintained for wildlife habitat. The P-1 basin would be considered high quality, category 1 wetland due to its size (over 10-acres), vegetation classes (forested, shrub-scrub, and emergent), open water class, and associate wildlife habitat (on-site heron rookery). The P-1 system is well established and will be maintained as a storm water facility and wetland system permanently and will, therefore, meet the objectives of environmental protection, safety, function and maintainability intended by code requirements, based on sound scientific judgment. 2.) Will not be injurious to other property(ies) in the vicinity. The proposed impact to 840 square feet of wetland area will not be injurious to other properties in the vicinity. Impacts within the 100-year floodplain and to storm water runoff will be offset by the P-1 detention basin, which was created by the applicant. 3.) Result in no net loss of wetland or buffer area and function and value from that approved in the original project plan. The wetland regulations would require compensation for this specific proposal at 2 times the area lost. Therefore, the proposed fill of 840 square feet of high quality, category 2 wetland would require the creation or restoration of 1,680 square feet of high quality, category 2 or better wetland. The modification proposed would allow for the granting of wetland mitigation credits in lieu of the required compensation. The applicant has demonstrated that its involvement with the dedication of land and coordination of efforts to create the P-1 Basin provide more than adequate compensation of the wetland area proposed to be filled. Specifically, the 17-acres of wetland and open water habitat created by the applicant satisfies code requirements for replacement; thereby, resulting in no net loss of wetland or wetland buffer area and function and value. 4.) Will be made prior to detailed engineering and design, such as during site plan review, short plat, preliminary plat approval or the pre-application phase of planned unit development. Document2\cor December 7, 1999 Page 4 A determination on the modification will be made during the site plan review process, prior to detailed engineering and design for the project. 5.) Will be documented and entered as part of the official wetland permit file. The modification will be documented and entered as part of the official land use file for the project. Decision Based on the information provided by the applicant, the wetland areas created by the applicant's development of the P-1 Basin more than compensates for the proposed loss of wetland area. The wetland modification request to allow for the granting of wetland mitigation credits for the proposed fill of 840 square feet of wetland area associated with the Rivertech II development proposal is hereby approved. Sincerely, 4 ely igaAfeox64=e-g-- Gregg Zinlmerman Administrator Planning/Building/Public Works Dept. cc: Jennifer Henning Document2\cor NRC NATURAL RESOURCE CONSULTING P.O. Box 7208 DEVELOPMENT PLANNING Tacoma, WA, 98407 CITY OFRENTON (253) 756-0370 November 22, 1999 NOV 2 4 1999 RECEIVED Lesley Nishihira City of Renton Planning 1055 South Grady Way Renton, Washington 98055 RE: MODIFICATION FOR WETLAND MITIGATION FOR THE BLACKRIVER RIVERTECH II BUILDING IN RENTON,WASHINGTON The project proposes to impact 840 square feet of wetland in accordance with the Nationwide 18 Permit issued by the U.S. Army Corps of Engineers on May 12, 1999 . Mitigation is typically required for impacts to wetlands. We understand that a modification will need to be granted by the City of Renton in order to grant mitigation credits for the 840 square foot wetland impact to the applicant for the dedication of 17.5 acres of land and coordination with agencies for the creation of the P-1 Detention Basin and associated wetlands. Granting the modification will meet the five criteria stated in Section N-2 of the City Code. A. The modification will meet the objectives of environmental protection, safety, function and maintainability intended by the Code requirements, based on sound scientific judgement. The impact of 840 square feet of High Quality, Category 2 (scrub-shrub) Wetland has been approved by the U.S. Army Corps of Engineers and the Washington State Department of Ecology. It has been determined that this impact is small and that the applicants dedication and coordination with federal, state and local agencies to create the P-1 Detention Basin and its associated wetlands (as one example) more than off-sets the acreage, and functional impacts to the 840 square feet of wetland on the Rivertech Property. Approximately 17 acres of open water, shrub, and emergent wetland were created on the P-1 property. The islands and banks of the ponded system were planted and have been maintained for wildlife habitat. The P-1 Basin would be considered a High Quality, Catagory 1 Wetland because it is greater than ten acres in size, has three vegetation classes (forested, shrub-scrub, and emergent), has an open water class, and has a heron rookery associated with the wetland system. The P-1 system is well established and has and will be maintained as a storm water facility and wetland system permanently. The total acreage transferred to the City of Renton was approximately 100 acres for various open space, habitat, wetland and storm drainage uses. B. The modification will not be injurious to other properties in the vicinity. Impact to the 840 square feet of wetland will not be injurious to other properties in the vicinity. Impacts within the 100-year floodplain will be off-set as required by City of Renton Code. Wetland and storm water runoff impacts have already be off-set during construction of the P-1 Basin. 1 H-1009-02 C. The modification will result in no net loss of wetlands or buffer area and function and value from that approved in the original plan. Normally, a 2:1 mitigation ratio would be required to off-set impacts to wetland acreage and function and value. Therefore, impact to 840 square feet of wetland would require creation or restoration of 1,680 square feet of wetland. The current proposal is to allow dedication and coordination efforts during creation of the P-1 Basin which created 17 acres of wetland and open water habitat to off- set the 840 square feet impact. This more than meets the 2:1 ratio for wetland impacts; thereby, resulting in no net loss of wetland or wetland buffer area, and function and value. D. The modification will be made prior to detailed engineering and design, during site plan review. E. The modification will be documented and entered as part of the official permit file. This letter and the enclosed Soil Conservation Service Wildlife Habitat Planting Plan, and Floodwater Storage Pond Plan along with City of Renton Department Administrators approval shall provide this documentation. I am pleased to continue working with you on this project, if you have any questions please call me at (253) 756-0370. Sincerely, NATURAL RESOURCE CONSULTING 2 Theresa R. Henson Natural Resource Ecologist cc: Dean Erikson Royce Berg 2 H-1009-02 . I 11 .3y.9q CITY OF RENTON t-±1.1SNINIt?q t61114► ► a ► Planning/Building/Public Works HENN1 KG -{I Ill ` MEMORANDUM Pt a2thartzefri 6 Z /t/7) DATE: November 29, 1999 TO: Gregg Zimmerman,Administrator FROM: Lesley Nishihira, Associate Planner(x7270)� SUBJECT: Modification Request from the Wetland Regulations— Black River—Rivertech II Building, File No. LUA-99-125, SA-A, ECF Summary of Request The applicant, LPN Architects, has requested a modification from section 4-3-110M4 of the City's Wetland Regulations. In order to develop the Rivertech office building, the applicant is proposing to fill 840 square feet of category 2 wetland area. The wetland regulations require compensation for any loss of wetland area. For the proposed fill, the applicant would be required to create 2 times the area altered, or 1,680 square feet of category 2 or better wetland. The applicant is proposing to use wetland mitigation credits granted by the City for the required compensation. Section 4-3-110N allows the Administrator to grant modifications from the wetland regulations for individual cases provided that the modification meets the following criteria: a. Will still meet the objectives of environmental protection, safety, function and maintainability intended by the Code requirements, based upon sound scientific judgment; b. Will not be injurious to other property(ies) in the vicinity; c. Result in no net loss of wetland or buffer area and function and value from that approved in the original project plan; d. Will be made prior to detailed engineering and design, such as during site plan review, short plat, preliminary plat approval or the pre-application phase of planned unit development; and e. Will be documented and entered as part of the official wetland permit file. Background The subject proposal is for the development of a 13,141 square foot office building on a 5-acre site located in the Commercial Office(CO)zone. The subject site is currently undeveloped with the exception of a paved access road,which leads to the existing Rivertech I development on the west adjacent parcel. The site contains a 1.38-acre high quality, category 2 wetland. The development of the project would require the fill of 840 square feet of wetland area on the south side of the site. In this case, section 4-3-110M4 of the wetland regulations requires wetland compensation at 2 times the area altered. Therefore, the applicant would be required to create 1,680 square feet of category 2 or better wetland. In lieu of the wetland creation, the applicant is proposing the use of wetland mitigation credits previously granted to them by the City. In order to allow for the use of mitigation credits, a modification request from the wetland regulations was included with the project application. \\CENTRAL\SYS2\DEPTS\PBPW\DIVISION.S\DEVELOP.SER\DEV&PLAN.ING\PROJECTS\99- 125.In1wetmod.doc CITY OF RENTON Planning/Building/Public Works MEMORANDUM DATE: November 29, 1999 TO: Gregg Zimmerman, Administrator FROM: Lesley Nishihira, Associate Planner(x7270)" SUBJECT: Modification Request from the Wetland Regulations— Black River—Rivertech II Building, File No. LUA-99-125, SA-A, ECF Summary of Request The applicant, LPN Architects, has requested a modification from section 4-3-110M4 of the City's Wetland Regulations. In order to develop the Rivertech office building, the applicant is proposing to fill 840 square feet of category 2 wetland area. The wetland regulations require compensation for any loss of wetland area. For the proposed fill, the applicant would be required to create 2 times the area altered, or 1,680 square feet of category 2 or better wetland. The applicant is proposing to use wetland mitigation credits granted by the City for the required compensation. Section 4-3-110N allows the Administrator to grant modifications from the wetland regulations for individual cases provided that the modification meets the following criteria: a. Will still meet the objectives of environmental protection, safety, function and maintainability intended by the Code requirements, based upon sound scientific judgment; b. Will not be injurious to other property(ies) in the vicinity; c. Result in no net loss of wetland or buffer area and function and value from that approved in the original project plan; d. Will be made prior to detailed engineering and design, such as during site plan review, short plat, preliminary plat approval or the pre-application phase of planned unit development; and e. Will be documented and entered as part of the official wetland permit file. Background The subject proposal is for the development of a 13,141 square foot office building on a 5-acre site located in the Commercial Office (CO)zone. The subject site is currently undeveloped with the exception of a paved access road, which leads to the existing Rivertech I development on the west adjacent parcel. The site contains a 1.38-acre high quality, category 2 wetland. The development of the project would require the fill of 840 square feet of wetland area on the south side of the site. In this case, section 4-3-110M4 of the wetland regulations requires wetland compensation at 2 times the area altered. Therefore, the applicant would be required to create 1,680 square feet of category 2 or better wetland. In lieu of the wetland creation, the applicant is proposing the use of wetland mitigation credits previously granted to them by the City. In order to allow for the use of mitigation credits, a modification request from the wetland regulations was included with the project application. \\CENTRAL\SYS2\DEPTS\PBPW\DIVISION.S\DEVELOP.SER\DEV&PLAN.I NG\PROJECTS\99- 125.In\wetmod.doc In 1984, First City(now known as the Blackriver—Rivertech Corporation) dedicated 17.5-acres of land to the City of Renton for the creation of the P-1 channel and detention basin. A wildlife habitat planting plan was included in the development of the channel and floodwater storage pond. On behalf of the applicant, Theresa Henson of Natural Resource Consulting has submitted justification for the modification request. The justification contends that the wetland areas created and dedicated to the City as part of the applicant's development of the P-1 basin provide adequate compensation for the project's proposed loss in wetland area. If the modification request is approved, the City's granting of the mitigation credits would be consistent with purchase and sale agreements over the last 15 years between the applicant and the City of Renton involving the dedication of approximately 100-acres of land. The agreements are conditioned upon the granting of mitigation credits for open space, habitat and sensitive areas purposes to mitigate impacts to wetlands, wildlife, wildlife habitat, open spaces and other sensitive areas which may result from the development of specified properties, including the subject site (referred to as the Rivertech parcel). With the exception of this development application, the applicant has not requested the use of mitigation credits from the City. In addition, the proposed development is intended to be the last phase in the Blackriver—Rivertech development. Therefore, no additional mitigation credits would be necessary. The approval of the wetland modification will be required as a condition of approval for the proposed site plan. In the event the modification request is not approved, the applicant will be required to satisfy all requirements of the wetland regulations. Analysis 1.) Will still meet the objectives of environmental protection, safety,function and maintainability intended by the Code requirements, based upon sound scientific judgment. The U.S. Army Corps of Engineers and the Washington State Department of Ecology has approved the proposed fill of 840 square feet of high quality, category 2 wetland. According to the applicant, in order to obtain such approval the proposed impacts have been determined to be small. In addition, the applicant contends that it's dedication of land and coordination with federal, state and local agencies for the creation of the P-1 Detention Basin and associated wetland more than compensate for the size and function of the impacted wetland area on the Rivertech parcel. Based on an evaluation of the site performed by Theresa Henson of Natural Resources Consulting, approximately 17-acres of open water, shrub, and emergent wetland were created on the P-1 property. The islands and banks of the ponded system were planted and have been maintained for wildlife habitat. The P-1 basin would be considered high quality, category 1 wetland due to its size (over 10-acres), vegetation classes (forested, shrub-scrub, and emergent), open water class, and associate wildlife habitat(on-site heron rookery). The P-1 system is well established and will be maintained as a storm water facility and wetland system permanently and will, therefore, meet the objectives of environmental protection, safety, function and maintainability intended by code requirements, based on sound scientific judgment. 2.) Will not be injurious to other property(ies) in the vicinity. The proposed impact to 840 square feet of wetland area will not be injurious to other properties in the vicinity. Impacts within the 100-year floodplain and to storm water runoff will be off-set by the P-1 detention basin, which was created by the applicant. 3.) Result in no net loss of wetland or buffer area and function and value from that approved in the original project plan. The wetland regulations would require compensation for this specific proposal at 2 times the area lost. Therefore, the proposed fill of 840 square feet of high quality, category 2 \\CENTRAL\SYS2\DEPTS\PBPW\DIVISION.S\DEVELOP.SER\DEV&PLAN.I NG\PROJ ECTS\99- 125.In\wetmod.doc wetland would require the creation or restoration of 1,680 square feet of high quality, category 2 or better wetland. The modification proposed would allow for the granting of wetland mitigation credits in lieu of the required compensation. The applicant has demonstrated that its involvement with the dedication of land and coordination of efforts to create the P-1 Basin provide more than adequate compensation of the wetland area proposed to be filled. Specifically, the 17-acres of wetland and open water habitat created by the applicant satisfies code requirements for replacement; thereby, resulting in no net loss of wetland or wetland buffer area and function and value. 4.) Will be made prior to detailed engineering and design, such as during site plan review, short plat, preliminary plat approval or the pre-application phase of planned unit development. A determination on the modification will be made during the site plan review process, prior to detailed engineering and design for the project. 5.) Will be documented and entered as part of the official wetland permit file. The modification will be documented and entered as part of the official land use file for the project. Recommendation Based on the information provided by the applicant, the wetland areas created by the applicant's development of the P-1 Basin more than compensate for the proposed loss of wetland area. Staff recommends approval of the wetland modification request to allow for the granting of wetland mitigation credits for the proposed fill of 840 square feet of wetland area associated with the Rivertech II development proposal. cc: Jennifer Henning H:\DIVISION.S\DEVELOP.SER\DEV&PLAN.I NG\PROJECTS\99-125.In\wetmod.doc • NRCNATURAL RESOURCE CONSULTING P.O. Box 7208 DEVELOPMENT PLANNING Tacoma, WA, 98407 CITY OF RENTON (253) 756-0370 November 22, 1999 NOV 2 4 1999 RECEIVED Lesley Nishihira City of Renton Planning 1055 South Grady Way Renton, Washington 98055 RE: MODIFICATION FOR WETLAND MITIGATION FOR THE BLACKRIVER RIVERTECH II BUILDING IN RENTON,WASHINGTON The project proposes to impact 840 square feet of wetland in accordance with the Nationwide 18 Permit issued by the U.S. Army Corps of Engineers on May 12, 1999 . Mitigation is typically required for impacts to wetlands. We understand that a modification will need to be granted by the City of Renton in order to grant mitigation credits for the 840 square foot wetland impact to the applicant for the dedication of 17.5 acres of land and coordination with agencies for the creation of the P-1 Detention Basin and associated wetlands. Granting the modification will meet the five criteria stated in Section N-2 of the City Code. A. The modification will meet the objectives of environmental protection, safety, function and maintainability intended by the Code requirements, based on sound scientific judgement. The impact of 840 square feet of High Quality, Category 2 (scrub-shrub) Wetland has been approved by the U.S. Army Corps of Engineers and the Washington State Department of Ecology. It has been determined that this impact is small and that the applicants dedication and coordination with federal, state and local agencies to create the P-1 Detention Basin and its associated wetlands (as one example) more than off-sets the acreage, and functional impacts to the 840 square feet of wetland on the Rivertech Property. Approximately 17 acres of open water, shrub, and emergent wetland were created on the P-1 property. The islands and banks of the ponded system were planted and have been maintained for wildlife habitat. The P-1 Basin would be considered a High Quality, Catagory 1 Wetland because it is greater than ten acres in size, has three vegetation classes (forested, shrub-scrub, and emergent), has an open water class, and has a heron rookery associated with the wetland system. The P-1 system is well established and has and will be maintained as a storm water facility and wetland system permanently. The total acreage transferred to the City of Renton was approximately 100 acres for various open space, habitat, wetland and storm drainage uses. B. The modification will not be injurious to other properties in the vicinity. Impact to the 840 square feet of wetland will not be injurious to other properties in the vicinity. Impacts within the 100-year floodplain will be off-set as required by City of Renton Code. Wetland and storm water runoff impacts have already be off-set during construction of the P-1 Basin. 1 H-1009-02 C. The modification will result in no net loss of wetlands or buffer area and function and value from that approved in the original plan. Normally, a 2:1 mitigation ratio would be required to off-set impacts to wetland acreage and function and value. Therefore, impact to 840 square feet of wetland would require creation or restoration of 1,680 square feet of wetland. The current proposal is to allow dedication and coordination efforts during creation of the P-1 Basin which created 17 acres of wetland and open water habitat to off- set the 840 square feet impact. This more than meets the 2:1 ratio for wetland impacts; thereby, resulting in no net loss of wetland or wetland buffer area, and function and value. D. The modification will be made prior to detailed engineering and design, during site plan review. E. The modification will be documented and entered as part of the official permit file. This letter and the enclosed Soil Conservation Service Wildlife Habitat Planting Plan, and Floodwater Storage Pond Plan along with City of Renton Department Administrators approval shall provide this documentation. I am pleased to continue working with you on this project, if you have any questions please call me at (253) 756-0370. Sincerely, NATURAL RESOURCE CONSULTING Theresa R. Henson Natural Resource Ecologist cc: Dean Erikson Royce Berg 2 H-1009-02 ) DEVELOPMENT PL NNIJ(g CITY OF RENTON NO,•`l DRUM RIVER WATERSHED -- ---- : '44 RECEIVED x KI146 COUNTY• PROTECTION AND FLOOD PREVENTION PROJECT KING COUNTY, WASHINGTON ) LOCATION MAP t FLOODWATER. . ST RT O ))) $.,,. a ..,..„ a ._i P- I CHANNEL JULL8 1987 j LPN Architects & Planners INDEX OF DRAWINGS PREPARED FOR THE GREEN RIVER FLOOD CONTROL -LONE DISTRICT DRWG. NO. SHEET NO. TITLE BY ESOR—CO 1 1. INDEX OF DRAWINGS U.S. DEPARTMENT OF AGRICULTURE • 2. VICINITY & LOCATION MAP SOIL CONSERVATION SERVICE 3. PLAN LAYOUT s 1 4. PROFILE 8 CR088 SECTIONS FLOODWATFA STORAGE Of AGE POND 6. CROSS SECTIONS ,;—:-'- P-1:.CHANNEL - -EAS i SIDE GREEN Ili V,ER •. TOPOGRAPHY MAP APPROVED LT. .�t. 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' N tri.s7s.9i .'; r: .f �, �� • .. i w !:.•...f•' { 1 „i.'••1''Yr A, ' .5"1.34` /E t.es/•o=e•7e 0 .--',s- V1w _ I .R'n \� ? . BEGIN CONSTRUCTION L• 'Mr • �' a a•o7•7e.: ♦t7s.+sr.a4 F+tls.ar' _- r••e --\V'v q` N 176.042 7a o O � "� �'�"'�'• y E t.asl-.ae7so e ��d�i . . -- OW • STA. 738-SO i- D:p�.�, ��+�- E SERM a E t,es2.e7o.os ,. ' (SEE SHEET 2,ESGR-CO-1 8 <F �i3lli,i� o 01 N, pN � 'I • SHEET 3,ESGR-LS-t� <_� ���� ��_ ��5•-� `� • ifil✓_ . .# ..7 -'/'.' °Al M i:1: .. �� .. } �2. - C i JK 510E It/LET CNANNEI ,�'i D' TRANSITION p ��\ •v •/ lr t - ""'""" " ''' 'i • , N r - 1 •�O!-LO FLgW.CHANNEL d� ---- ar fir{77r•3o I LOPE N nes94.xe � O � • E 1,051,e0 tA0 E • •�r�S!!f.•'" � �. -/ CURVE • DATA- } .. • •� Ly E%ISTINA PIPE I �eI ENO i0 EX18 i1N0 DANK . 10E INLET CHANNf,► ,y e.P.ro•Qs,,,,.. �� �`,• Id� t '' �. � 1'� STA LP 71M • ' 1,7 / ` •L• E1DE INLE'�QIANNE 7.•.-.r. Q ��f• R•aa 7.Od6f - l 1 I\ ~`� _ • 7 87A Li72 E}E.0 �j x ! - J f• • .7.- .�1 � M Ile sos 07 T•2I .22' •, j 91°E*ILE%HANNEL ci 1! / 1'- •a_ -♦ l - r{ 11 '_ E 1.68j.071.e7 l a0B.4E' 8TA LFly S- _ \._.( -- \' N 17633r.04 7 • • / A.'I �7 / • t , -�'� _•1/p� �r• P •, E 1 ei 1,707.71 � }. SOE hLET CHANNEL �` +•' �` �, CURVE DATA �'• O t - +' eTA LF 720.S0 • _A 67'26'1°' ;• • t P..liMANENT EASEMENT BOUNDARY • D te'xt4f' /• ? i' • Jy 1 as4e to t t �p 7 «_o- p iPa:: N ve.aoe.el loves 72 ' a j �~' . ' - ♦ R 2SO.Of_ E /,062.4e3.1i • ;L 512 84 - r�. /, 1 J� • .• �' ` ;•• -� T.1o2.17' SPOIL"DISPOSAL - � _ 4r - ,, • L=1S4.09:. ,c +r -•�.' `/ • ♦ ''•SPOIL t • __ ;4 J� AND CLEARI4Q IINIT3 / l , �'L' DI$PO SAL • ' , ie G ^ (I- • /`• AMOCLEARING LIMIT$ c • 1• - ' .. ' r••• �. -` N 17e.g71.00_ • c _ 'ilA` «_'-4~r , .1 , SN• �y,,��r7,4� r \/• E 1,662.023.98 •I • .;y�_e_C.Jt 3 1.^-S 4 z .f� ie" ?,�/ 7,r _ ,'•,i "�J - 't- • Lt y y -�r�R1JLJ... • °1 . Cl''' O } yam. , a �r •/�`. N 176,809.55 .�. .mil • !>.. �"` too 0. . 100 200 ` •L O -� -.\ • A' '. l -• E ,.062.I44.78- } } • 2 iIA s ••x ` +,51 � { . • / , 4.1 tiC \qr` >_ 'ala 1n E$1tj • GENERAL NOTES . L,, l +' ;' , r f p°, 00�.1?, •• 1. Elevations are in feet above mean sea level. •x 7 "'`' � ' ` �1115T1N0 aA4.co INE{:. j j- A sgs. y t M"^ 2. All stationing refers to centerline of channel 4• aL.l;;p ,- (,- �,,/ 4-, 1 p~�yYF �`1"�•O�S�Rudrioµ • • • • construction and is measured horizontally. *'; �- -' q 1 ! cc F \ T\` AdO CLEARING LIMIT 61 //! < .� yl F/to \. 1 L Gam, c/ n t 3. All channel cross sections are taken looking 4 ''ig4. '4•r y ;a CPR �RY q�`ti y downstream unless otherwise indicated. - f p a ��..0% (-N L:.etz. - ,,y; "{t_1 y 4,'f 1 �� PLAN VIEW LEGEND ,.% L -t} c,� .. �} ' Y , : a _���� i P 1 CHANNEL �. FLOODWATER STORAGE POND Indicates existing slopes that are not to be disturbed •a ;d i1, -- T l _ 1 L1MtS •y f'' _ ' tl`'C' EAST SIDE GREEN RIVER _ '4Y N° -�,;.• •; .•' U. S. DEPARTMENT OF_�C7R[c'i f. / Indicates slopes of proposed construction ` 4 • • :-ss I - �'t 1 i Y -:w '�! SOIL CONSERVATION tiERN'Il'F' • O Ftfr•r5 ts P 1 Channel . `_ `•• Y' ~ °it MODI� lEltpq�aQ-,__._ _ •1 i ..,-.,WLC KEQ- 8/83 2 I eilirlE CpN4 TRU�?ION Ll7.iI1' 'y ---- - •' . R t .r; t•! rt. Lvo+ Fi•7w Channel 1 11/1A1 ADDED E'71 TIN:; OIr,E3 •-�- '• .... - • ' - -. • \\ RJM 8/Sal _ - 4 INO-- DATF . o ScR(PrlrN ' :.1 - • ..:•. -•-f�C: lSIC_. .. •• .___ ARS 9/83 j Sl F.._..-:--. 0 i 2 �jij i4 V p0 NOT DISTUICG Ji d _ ►-.ICHANNEL - "-WRISTIHG GROUND bp : E -. V XISTIN6 6ROUNDI I. -y0 % , , 1-•-si... j I. 75' 7s' j . la r 2 �pp -1 Oo O 100 i0o >�C 400 �. -20 h I , I I I , I I "-t0 CROSS SECTION STA. C725+75 -OD -40 -40 -'r0 O lb 40 40 80 4,Ro5'S �G.LTION STA.C.7O(s+y, 4 tTA.LF 106 -♦O.F 40 V. ti C EL.24.01"MA ta t F , 0 LF CHANNEL 00 NOT DfSTuRft 44 iausTims GROUND k. s. i • ati't+riN NOT WsTUL•> 1 l/ Rki---- � � ----- ---n•A--- --- - -awls. /7sfw�----- ---+---------�►i---•� p SUWO tl.4.o CSLAND\EL.4,0 P. , Y C'VLD%% EL.-ice -- CULDCSAc CL.-ii N.`- - UltICSAL 1)' '`PROPOSED ENCAVATIOW L,M1TS -1090 100 O 100 zoo SOO 4a, SOO SOO 78o (i00 100 -.to CROSS 'SECTIQN STA. 713+00 I f N 20 N - - - - \� MOTIF.: Them is au espy of sack **Worn report TH-401 a.iiaw at t!e Moog $CS 'Mee vpleh 1 N , ..y beasasdwsw.d by pc .ctly. Wilder'. N. p-I10 �_ TH-400 _ E! BANK LeerinLeerinessl.at Taat Noo all shown on -L.--' i►e.t ! '' sy S O H M H _ InEL.H o Z-u t. resr. ti 4-D _ `- 4_D L W e+i MAINTE.W* 4 ..L. !YE-RJI1 L. . S•0.0 0i ►' /pre ER Itt. w NS E L. �-2 I C.lAi I :M : 4 • f L 9 LT �I-DI m iL.l.t �NVL1tT P-I C.HI.NJtl.�PbND �w.T (l-Q►) S; aree PI/Pt 1.57 I� 0 S et_-o E �S'8-D vtKT Lts►.t FL01.I t 4* ' -13-p 0..::. '!. I } g. .OIi5 I M - - • I t:L.-2.9 e. N r a M D-D ' 1411.-D .� +-D - PROFILE & CROSS SECTIrONS ti -1 4AMOI ' PLO*ORATEA STOEAG POND EL.-I1.0 M N _EAST WOE SPEEN SPIER I. S f)I•:F'AR1MEN"! OI• :�trt{it'I'I.f( kr. • R ( St)(I. C( NSF ZVATION SEtiVIcI•: i ^KEQ,hJLC „ i.:u. EL.-13.0 ._ - .� ,CR7 �gY-LA�M.T10N LIMITS STATIC. I ._... Pu'iP FOIREf3sVi. - - ._ 1730+00 - --— - --_ .___—_ 72 y ----- 7t0+00 7tl+OO Tto4O0 I �•ft. - 9 it ESGR-CO- I Tbpsoll will cover the riprap from the to: of r/prap down to e/ev. A/.O'a',nd- will have n 4,-b` main. kkneSs. / trei hier*n Q fmaintenance hill" 3 I v. OI Rock rip raP �i ' Surface of' intenance berm 7 /1// et Low Flow Gilanne./ �0 8.0'r3 • Filter material Rock lined • /; r1 Rock lined Side inlet channel side inlet Channel M I 1.0' 1.0' Ditch „D 1.. rS.O' TYPICAL RIPRAP AND FIL TER SECT/ON --. (Low FLOW C/t4NNEL, O�� rj \\\.cli/7\�y' • e �� Sur/Isce of O.O /Main tft,tadsce berm • 1.0' I' + 1 • EA15./ng ground line Rod( ri�✓ap 0.51 \\\\` ai -Exlstiny culvert DETAIL, SIDE INLET CHANNEL '� — Remove and save c'O' ����<Y��/ �?� — / of Pipe. :Lace In nearby DETAIL , DITCH Nam• \� —t/ l \ couniy yard. /r e:inatall 'clap gate LJ\ TYPICAL SECT/ON, SIDE INLET CHANNEL j„`vi\\`Q„ Y�idff Do not disturb existing rock riprapp and vege-ha r`ion on -this lope:. • Rock ripra: \\\' \\\ Surface op \"� s: maintenance berm 5urPace of /O O' main ter1ai!e berm —/.O' 1 Rocks �o be Rocks to remain "�i\\\\�i\\`\ rnn►oved ��ca t` naRural \// E/cv. {/Y.O' \\C:\ � I \\\�rr 1d Bottom of Channel ���� •' Rock ripra: ��s�� DETAIL OF CULVERT i�\viv\ i L.'-.� SECT/ON VIEW 0 CULVERT, STA. 727.030 . TYPICAL SECTION APPROXIMATE STA.C729i-O0 TO STA.L7Z7+O0 (Viewed /00%. uestrecm) CROSS SECTIONS ►-1 CNAWNEL I FLOOD WATER STORAGE POND EAST MIOE •AEEN RIVER 4U. S. DEPAR'1 ENT OF AGRICULTURE SOIL CONSERVATION SERVICE fa.- /..war sACc Gam _ !kL ...... a....�m_---.• ESGR-CO-I • // ✓,y 1.--, o _ , //1111P//: i /./: . c,...•.•‘ ) , 1, 4/ ,/, I iii //' / 7 ((•# 0 N, -s. Dense Tr*CS / )) . . +/11/7,000 ".:r141 i i I ,� .,." Ow. :7„::„...) //��/tat T`�Y�; /' C: ,,,1 „_:, - .-;:."-'--7:- c k Di ..f.00.(";:1;",4,:,V, it IA \:k ...„0„?.4) ..0, A - , v / ri e...... ,-- \ . k ' . -% "6161.'1 "%.'.--------- -'15 -7--- ..,-. ---- --- /gRtile)k- ' : ---..7::;11.1 .../ K%------.1 .; AV / ---- -'; c.........4 (4115* ./10. ,.._________a. '• •i _ 4 Niiii.7 _i� Vt 111 �L r -- \ ix- • a : -N....„.... .. T r r ''''N ( ir'''' Are-.0 .^-•,---,r----"`"N1 gt: , iii 1 \ .._ -) ,. "air cr-..-- -- N's ., 6 i \. , it: \ I ..., ) N. i /Pi' I ' i lin;\ 1:1.111.1111.1.11 : ...,,.. 69111\-ijillt C----.---... '''r': ';. Ilf C..-na••15,41. \ / 46 ----<3 \ // ii ..Feco C....o• 1 i / \ roco� /' \ \ o ,4 / Cie t 0 a \ \ `�r Fph o \ \ o W \ , \ \\.."'s-"------C:)''') \**Ns W NI174 000 aC \ ` \LEGEND S : %--100' \ \�`� _ 'N utE ;'`1 r �,1 Trod, \ 1 aQ TOPOGRAPHY MAP , •— Con.ou. OPOSED DARK VAY \1 c. 7 dusk{ —�� �� ®N,..i r^ Bu Co •.- i14'^ IN s FLOODWATER STTOORAGE PONO - EAST SLOE GREEN RIVER NOTE: Thla map Oho w• tM topography of tM \ A_U.S. DEPARTMENT OF AGRICULTURE •xlatMg ground att.r •xcayatlon, mull SOIL CONSERVATION SERVICE without •pops placid. °"'yam-------•---------- Aor.•w ti.� Ts T: Tread x -B Ii dt 1•.w p.....{w - ---- — — — �k_... c - .. ='f,b ESGR-CO-( 411 EAST SIDE GREEN RIVER WATERSHED -WASHINGTON DEVELOPMENT`P1AN �' . C1. OF RE NTON Nov 2, , 1999 LHABITAT DECWI DLIF E PLAN P-i CHANNEL AND POND PREPARED FOR THE GREEN RIVER FLOOD CONTROL ZONE DISTRICT __--� .\ _. - •- / /—• ` '�' �' _' ...tie. -- /. 7NC[ 4WHO .•■ -� `/ - .4-- - `:, .�� _ .w_. ",�`-_i -• - • < T �_ • x ..�, „ -.`�- i.7 it - ` \—�7 I 4.1 1 1 il,- - --. - :I 1i.t ,� s � -_._ x' / • T V ... ••••• _ 4 wadi a•f ‘1:11! ,•• i CGhiTLVCTIOW _ __ � �J/ s•• ••N•••••••••p••f••NENC l"� MCN7TLt KaC I ii' Co..STRu CT1t '}y\CC'-- I 7 !SM[LT 1 . • rt.-.4 1 t WILDLIFE H I3TAT FL \MTIN3 I ,tel 4, FLAK xo m o P-I C,�',o,N1JEL ANC FCKD SHEET INDEX \\;) APPROVED U.S. DEPARTMENT OF AGRICULTURE !•��[..'L� SOIL CONSERVATION SERVICE Y %ht,-,- •SAIn Kit,. ' sate v.......;x...,7A(S... -:e. -4 E5GR—LS—/ . ,. • PI A N T LI ST • ,QUrANI 5`,1,1 I bOTANIGAL_ MAME. CONAKACkl 1.1,6•K4E. — stEff Ervt.AP.KS - - .-rrs.tE5 . AC-A; ACrK CIKC INIA-TUV , VINE MAPLE' 4-5' HT 5 4 5 6 j 5 . AM , ACE rk. MACROPHYLLUM : 610LtAF MAPLE I-!Xi CAL., G.-10' HT A5 : ACER 5ACC HARI NUM ! 5ILV6f. MAPLC 11/4-Z. CAL. 15 1 D A& 1 AL NU5 ItUbRA ! RED ALDER. I-14' C.AL., G- GP . IDETULA PENDULA : EURCftAN LAJEEPINO btICCH I-I* CAL. 516 •. CN CORAJU5 NUTTALL I I ' PACIFIC DC GW COD 5-G'HT D 4 p, MULTI-STEMMED MF 1.44LU5 FLCfr.1t5uNDA : ..JAPA. E5E FL. C.X.AbAPPLE I-11/4" CAL. PA PLATANU5 ACERJFOLIA LCNCON PLANIETIctt I V.4.-2' CAL • 54-b PT FDPULU5 -T1(ICHOC.A/crA OLAC K. COTTONWOOD I-1W CAL G-IC' HT 5 4 FIO P:EUDOT5LiSA MtNZJE511 DOUGLAs Fi& • : G-6' HT QC QUE-F.C1.1 ., C-OCCINEA SCARLET CleK I 3/4-2"CAL. R.F. KHAMS Psilt:AIJA : CASCARA I-14- CAL. CD-IC'HT RHUS TYTIHFKIA STA.SHOKIJ SUMAC. ; G-5' HT 1 . , 5L 5,4L1\ L.4051,4•1D.c.A • PACIFIC WILLOW G-5" HT b t 6 AuC u FAN A 1 ELT.OPtAN AAR;. A514 I-11/4 CAL. I Tr 11-1 U JA PLICATA 1 Wt5mr-ILN IKE.0 CEDAK. G-5 FT b ; b ;-TR ""r5LSA• HE.Thit-f'PHYLLA ! leJt5Tti,Z.K, HE-MLOCK G-5' HT b 1 e 1 . muE ANC ef :DuNDCO:vE-1 . I AF AkitLANICHIEK. ffLON:S.,•,,t. PAC,i F c St!W IC ff519LICY. 5 r.:.;A.L., 3-4 I-rr. CON?. , IC C.C , ?At j-A ; ,Ag.ttuTt.,S L.NECC , 5-nr.A.4tr._.A.k-- kitAcK..=t\; 5 ee,,.., CO.\."7' IC DC • •A.;-t : ' 15 GcN.... CCNT, IC' CC ' .C5-A • CrLIK.Nt_5 5TC LC.N!FbkA, R.r..D051EX DCGie4COG 2 GAL C.0 LIT 3'0.0 C5-6 5 604L CONT. 4'C C CC. . CCRrLUS CCANUTA : FILIbt KT 5 GAL, 5-4 HT CCNT, 12' C.0 M.NictsliA AaUIFCLIUM TALL og..E5risJ GCAPE 2 GAL. C.oN.T, 2.;C.C. !MC 1 MYRICA C."LIFORNICA PACIFIC '4A la•MTLE a GAL. CONT. 4 C.C. PKUNL5... \MGR...I.-WA . • . C..EMISSA Ca,110,9\.1 CHOKE c44c-r,x-Y 5 541_ t-4 i417 : cr.AT, to'C.C F-5. j K1E5e5 5 /‘.12..)1K1t-UM : 'PUNIC:: EDNAX.0 silt' RE-DFL_cwe.r.NG coticANIT , 5 SAL. CONT, 4'CC KC-5.A k.112TKANIA NCOTI(..o. KOSE 2 GAL. : CCNT 4•C C !likSF ' ',MX:5 5rCC-TANLIT.-. SAL KAC mtel[RY 2-3' W j b.l_ K4ULT.-5TEIN.4.1•=112' • COLLECTEC ?,'C.C SC SA•1\4ts..:Cti5 CA.LLICAR.F.-N ICED tL.E.)ette..r.:1 I a.-N4_ CC+4T :..0 C 5YMPHCNCINCrtj5 AL.512c 5NC INICCKak:' 2 GAL CCNT ,'',.C C 5-•-t. : 6 ,. 5 GA1_ CoNT, 4' C C. I___ 1 •C I vACC NIL:KA C VA-7 LM 1 EVE-KG‘..bN HUCKL.E5EKICY = SAL CCNT, 3' CC • t -4 - WILDLIFE HABITAT PLANTING PLAN EAST SIDE a.e ,1 Icivt5k, U.S.DEPARTMENT OF AGRICULTURE SOIL CONSERVATION SERVICE 0., ..........c,:et,_A...........___ .7—",.. "-----------.----- - - . . c^•• ,-rri .,--' -83 ''? Essla•LS-1 - ., q • 0 ..---• --------- \ ... I- ..- ------- ---- cf. ..------ ----- -- , I' .. --------- -- .00.0".- . ____ - -- ------- ..-‘10000 .0.0011 ..n. 1 Ow"mt ------ 4.001 le v00". .. ,.... TE.A.c........Ry cowsie uCri Or., Lim.T T. 4 Peir.4.1A.Jekrr e„As..E 1,,At....rr. - _...4:7-- 8. -00.111f . .0.00.4 ...",........e' 'A ,------ P--Cc- - - 1110_...... 1.1 W...° -........0...••"-.- r r. 4000 I 1 .. ..--- _- ___--- • ,_ - --i .„ - ,-- .... owe" ...--- ___-- _— --- --- - _------- ,ri 1,.....--.— •;.-- ,c."; _- ...„,...----- I._............. `.PLAca itTsc41_ As niit-cEssAgy Tr) \t-- .......'"-- cover. r•NeE..6./..G.A.5 .6.44:2, C.C./::C ACC ORD f s .......'-f\- 10 MIXTUKE-S AND RATES SPE c. C. FCx- i --.. 3.1.0SION C.CNTROL. ON N C.E)N AANNE1._ ----- 1'". •S. "ro. c,-• e.S.A.,-..K. 1 . " 4, • .‘ ------, ' .....,_.' 'f'-' 0011ISTKUCTION; EXTENT CF , - - ----. __........„...------ Sta...14 IS P./TX0X11.44.1-E- - . - ,-....- .....;•,•••-•.- fINIMANN In limm......,. 00!elk e1 ‘ ....-----"-- -- -- _ ---.2-0;000. ), ;or; . •1 ...-/- . 6' ' -, ------ • t • -- _ •- . °.----. .iii.'.. 1.. .• di -• -i .../ ........"'". .......°9 0 t,,,,4, • • .A•41...• ..............00.0111 : • . ..... ..,....- --....:00.1111. . ... 0%--.,,.. " . ------,--o- , , _ -t • -rot • __... II"- . ....1"-- -....., -. -1 c \ ......., ). , --iji . POP'-- .." _- ....-, , 4,7 . - ra-'-I --d. ---.0 , 9 . 1/01!.:16;062.40 ....--A '..... ..)-. v.- , \ _..... ..,47---- .........$0• 1...40410.14 ri.a....ark, -7 .„mob,' .‘,.....• ,''' _xi:TI‘o..1Gt.:-% .,e: -I - ‘ .....-., r-- ,.... • . _- r,..K.K.,...k Ar......,A tz", , , oca' r \ ; ....---- ■•.'"` • - 6".. ,-•‘..e. . .4:00 . .e.:;---".6. d* ORNAMeNTAL -..'s -.- .., • N•01.,• • PLANTINGS (Do Nor DtSTUlak) — \ I-Eve L -------.. ,•:'1.7-..e .---. ...°. • W;, /.'1.46%.°. ...%•73'‘,. ....."... . . .,: _..,, . ..."-• ••••.. -.. .:•(4%.'T. .."..--f‘i.::•-•;or- -`' ', •k 1.''• .,..,-.-% I, • ttjA- . .... -I''. 'Ll........• ....AL., ' ..,t.r. _,, ....c• -'-..........,---- .....---7'.:..r•.,0,..e.:. .1•.`t '."1 .(1 t ri i,,-,., ,.... t•, - 7"---EXISTI".+4 Op.NAmet.rTAL .... ''',P-i.......-•.09,^)' .-...eivi-cf....."1.-... • r...) ••••'-* riApcni,..iss coo NOT DI rots) .es"..-''• ,L mr-- siu,lc ULAX \'.1 ei 'V - •..-. • A i'iMel.N. ,,,,•-•,.4 * ..S r... ...- ,,,,, .---P.n..•-•-•*". -- . 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", au..c 729•si.e•AD 1 • T . \ ,... . x.., \, . I \ ''... I ' -. 1: -‘' PLACE TOPSOIL C4-;;')AS Nt..C.E554.,k-r• 7C cos/EA. .• /.' >\,/' El • TANKS s • 'f .:„... ......j .. .. iit.P.E AREAS Ae-C SEW ACCORDING -r MIXTUKES ,, ,,,&,,,..\\\\./ e Ful -Dois FIR - -----III ---- '•I 1. F.A.1%.5 v-or.. es.c: ::».; CONTX0l ON Nehl - - .• i .- . . . -/ ., , s 04.6403el. CONS-T1C.UCTIONI;EXTENT Op I 5 0.. "6, \711:4 m3 ApPROXIN4AT . /<\\ ..\\.; . x ''':.•./ • • I II \. ( ' ,„,, , ....,.._ .:...\ ,• .. 1 • . , ....:\ . • ._. , 1 • . I ... ..- . . - - 4 . • ......... TOP cr DANK-- .--....N„ . . ., N' .k i•, . ,r''' Po L .: ...r...„... :...--/'.21.9-7,.. .--- • N..U 4.. ,- \ \ \ ANTNG5 Pp4AANCNT cNT- , 'A , _17-,^ t TIMtAt ruCricJ \ , \ /1 _„...1..._,.1 1-. ‘2:,1...• LIMITS \ IC \ \ • \ •.1 \- \ • k .,,I (7 e_ 2 El_-F'ACIFK WILL-Chi .- --. -• , -4-)A, it ` \ ‘ - RACE TV'S 011.- (4-G.-)As Ne.CeSs.•••xx -re, Ccveg..isxpe. 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II--- 11'1'1W' LAM l.s ioNcaa w TNN[I4t.a. \ -l--Gw J. ---- - -V atw.~♦. leTTLI9MbP2T" '''' II My IIII= Tom.... - - --. .......?A -6.+wr . .d 415..._. . 1-10 .9 ESGQ-LS 1 'i CITY OF RENTON .<; CURRENT PLAN ING DIVISION AFFIDAVIT OF SI=RVICE 8Yv.MAILING; On the 30 day of Decew X , 1999, I deposited in the mails of the United States, a sealed envelope containing � orrt a\OC1 UecSlo1,\ documents. This information was sent to: Name Representing Royce 8tac kr;ve r- Rve%'*ec In • (Signature of Sender) Sofia..h Se-cn-cr STATE OF WASHINGTON ) SS COUNTY OF KING ) I certify that I know or have satisfactory evidence that signed this instrument and acknowledged it to be his/her/their free and voluntary act for fihd uses and purposes mentioned in the instrument. Da 27 _ Aid _ NOTARY PUBLIC � Notary Public' and fo th�to of % hington STATE OF WASHINGTON NoCOMMISSION EXPIRES My .••i �'SICHEFF NTi 'IRES:6-z9-03 JUNE 29,2003 Project Name: Bio_c .Ytver Rive _tec ll Project Number: LUP . q . IZS S 141-- NOTARY.DOC r M. REPORT City of Renton Department of Planning/Building/Public Works DECISION ENVIRONMENTAL REVIEW& ADMINISTRATIVE LAND USE ACTION DECISION DATE: November 30, 1999 Project Name: Blackriver Rivertech II Applicant: LPN Architects Owner: Blackriver—Rivertech, LLC File Number: LUA-99-125, SA-A, ECF Project Manager: Lesley Nishihira Project Description: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO) zone. The site is 5 acres in size and contains a Category 2 on-site wetland. The applicant is requesting buffer averaging for the required 50-foot buffer width. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 840 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. Project Location: Powell Avenue SW, North of SW 7th Street Exist. Bldg. Area SF: N/A Proposed New Bldg. Area SF: 13,141 sf Site Area: 217,800 sf(5 acres) Total Building Area SF: 13,141 sf I' • -. r ! 7 illti.0 \'., --_-- ', '•"'13-4'.: 42 Vigirla 4 11 """" : AJ jury e �A�4 —NEI HBONNOOD DET y, Project Location Map SITERC } ' 'C,'+ti of Renton P/B/PW Department Administrative Site Plan Approval&Environs it Review Committee Staff Report BLACKRIVER RIVERTECH 11 LUA-99-125,SA-A,ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 2 of 12 PART ONE: PROJECT DESCRIPTION/BACKGROUND The applicant, LPN Architects, is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot, one-story office building in the Commercial Office (CO) zone. The 5.0-acre site is currently undeveloped with the exception of a paved access road, which leads to the existing Rivertech I development on the west adjacent parcel. Access to the site is proposed via a 28-foot wide driveway on the north side of the Powell Avenue SW cul-de-sac. The proposal also includes the improvement of associated landscaping, utilities and a 53-stall parking area. The proposal would require the cut of approximately 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. The site contains a 1.38-acre category 2 on-site wetland. The applicant is proposing buffer averaging for the south side of the wetland near the proposed building and parking areas. In addition, approximately 840 square feet of the wetland area is proposed to be filed for the development of the site. The applicant has requested the City grant the project wetland mitigation credits, which were previously agreed to in recent purchase and sale agreements between the City and Blackriver— Rivertech, LLC for properties in the immediate vicinity. A modification request has been submitted with the application in order to allow for the mitigation credits under the current wetland regulations. The applicant has also obtained approval from the Army Corp of Engineers and the Washington State Department of Ecology for the proposed filling of the wetland area. PART TWO: ENVIRONMENTAL REVIEW In compliance with RCW 43.21C.240, the following project environmental review addresses only those project impacts that are not adequately addressed under existing development standards and environmental regulations. A. Environmental Impacts The Proposal was circulated and reviewed by various City Departments and Divisions to determine whether the applicant has adequately identified and addressed environmental impacts anticipated to occur in conjunction with the proposed development. Staff reviewers have identified that the proposal is likely to have the following probable impacts: (1) Earth Impacts: The subject site is relatively flat and is vegetated with dense shrubs, blackberries and trees. The northern two-thirds of the site contains a 1.38-acre category 2 wetland. According to the applicant's land clearing and tree cutting plan, the proposed wetland buffer line will serve as the limits of clearing boundary. All vegetation south of the indicated clearing limits boundary is proposed to be removed, including approximately 10 trees (cottonwood, ash, and hawthorn) ranging in size from 12-inch to 36-inch caliper. Approximately 1,150 cubic yards of earthwork will be moved (200 cubic yards to be cut and 950 cubic yards to imported for structural fill)for the grading of access, parking, utilities, and building areas. A Geotechnical Engineering Study, dated November 3, 1999, was prepared by Earth Consultants, Inc. and submitted with the land use application. According to the report, the site is immediately underlain by a four-inch thick layer of topsoil and rootmass. This soil layer is not considered suitable for use as structural fill and should not be mixed with material to be used as structural fill. Underlying the topsoil is loose to medium dense silt, silty sand and sandy silt. Rapid groundwater seepage was also encountered. The Geotechnical Report includes several recommendations regarding site preparation, drainage, structural fill, and foundation and slab support—all of which staff will recommend the applicant comply with in order to mitigate potential erosion impacts on the site. SITERC 'CO of Renton P/B/PW Department Administrative Site Plan Approval&Environr 11 Review Committee Staff Report BLACKRIVER RIVERTECH 11 LUA-99-125, SA-A,ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 3 of 12 In order to reduce the potential for erosion and control sedimentation during the clearing, grading, and construction of the site, the applicant will be required to implement temporary erosion/sedimentation control measures as required by RMC section 4-4-030C. The applicant's construction mitigation plan includes the use of siltation fences and sediment ponds. Mitigation Measures: The applicant shall follow the recommendations contained within the Geotechnical Engineering Study, dated November 3, 1999, prepared by Earth Consultants, Inc, with regard to the disturbance, preparation, and construction of the site. Policy Nexus: Environmental (SEPA) Ordinance (2) Water Drainage Impacts: The proposed development would result in approximately 43,560 square feet of impervious surfaces. The site is located near the Black River, but outside of the 200- foot boundary regulated by the City's Shoreline Master Program. A Preliminary Storm Drainage Report prepared by Bush, Roed & Hitchings, Inc., dated August 5, 1999, was submitted with the application. According to the report, storm water on the site is collected in an on-site ditch which releases into an existing 8-inch storm drain. The storm drain then discharges the storm water into an existing 36-inch diameter culvert along the south property line. The water is released westerly into the existing biofiltration drainage ditch along the southern boundary of the site, where it eventually reaches the P-1 channel. Pursuant to agreements with the City that were established by the underlying plat, the development of the site is not required to provide on-site detention. According to these agreements, storm drainage from the property would be discharged undetained into local surface ditches which release into the P-1 channel. Although storm water detention is not required, water quality treatment is necessary for the development of the site. As required, the proposal includes an oil/water separator to treat runoff from the site before discharging into an on-site biofiltration swale. According to FEMA flood maps, the site is located within a potential flood plain area indicated at an elevation of 15 feet. The proposed fill to be used in site preparation would raise the developed areas and building pad to elevations of 16 feet. The City has established its own flood plain elevation datum and has determined that the establishment of the P-1 detention basin area has altered the flood plain elevation in this area to approximately 13 feet. The proposed finished floor elevation of the building is above the estimated flood plain and would not warrant the need for additional mitigation to address potential flooding impacts. Wetland Impacts: A Wetland Delineation Report, dated March, 1999, was prepared by Natural Resource Consulting (NRC) and submitted with the application. According to the report, the site contains a 1.38-acre high quality, category 2 wetland involving scrub-shrub, emergent, seasonally flooded habitat communities. The report also states that the wetland provides moderate biologic and hydrologic functions. The City's wetland regulations require a 50-foot buffer width for category 2 wetlands. The applicant is proposing buffer averaging for the south side of the wetland near the proposed building and parking areas. An existing access road, which was created prior to the adoption of the City's wetland regulations, is located within the proposed reduced buffer area. The roadway does not intrude into the wetland area and will not be modified by the proposal. On behalf of the applicant, NRC has provided written justification for the proposed buffer averaging. According to the justification, the total size of the required buffer area would total 76,742 square feet. The applicant is proposing a reduced 25-foot buffer width along the southern perimeter of the wetland area. An increased buffer area is proposed outside of the required 50-foot width on the north side of the wetland. After buffer averaging, the revised SITERC , 'City of Renton P/B/PW Department Administrative Site Plan Approval&Environs' it Review Committee Staff Report BLACKRIVER RIVERTECH 11 LUA-99-125,SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 4 of 12 buffer area would total 80,138 square feet—3,396 square feet greater than the required standard buffer area. The reduced buffer would not be less than 50% of the required buffer width (25 feet), and would be in compliance with code provisions which allow buffer averaging (RMC 4-3-110J7). The proposal also includes the fill of approximately 840 square feet of wetland area for the development of the site. City code requires the creation and restoration of wetland areas impacted by development. For this specific wetland, the replacement ratio would be required at 2 times the area altered, which would be equivalent to 1,680 square feet of category 2 or better wetland area. A modification from the wetland regulations would be necessary in order to grant wetland mitigation credits for the required compensation of decreased wetland area. In addition to justification for the modification request, NRC has provided documentation from the Army Corp of Engineers stating approval of a nationwide permit for the proposed wetland fill, as well as from the Washington State Department of Ecology exempting the activity from DOE certification In 1984, First City (now known as the Blackriver— Rivertech Corporation) dedicated 17.5- acres of land to the City of Renton for the creation of the P-1 channel and detention basin. According to NRC, the P-1 basin would now be considered a high quality, category 1 wetland due to its size (10-acres), vegetation classes, and habitat value. The wetland areas created and dedicated to the City as part of the applicant's development of the P-1 basin provide adequate compensation for the project's proposed loss in wetland area. If the modification request is approved, the City's granting of the mitigation credits would be consistent with purchase and sale agreements between the applicant and the City of Renton, which involved the dedication of approximately 100-acres of land over the last 15 years. The agreements are conditioned upon the granting of mitigation credits for open space, habitat and sensitive areas purposes to mitigate impacts to wetlands, wildlife, wildlife habitat, open spaces and other sensitive areas which may result from the development of specified properties, including the subject site (referred to as the Rivertech parcel). With the exception of this development application, the applicant has not requested the use of mitigation credits from the City. In addition, the proposed development is intended to be the last phase in the Blackriver— Rivertech development. Therefore, no additional mitigation credits would be necessary. The approval of the applicant's modification request from the wetland regulations by the Administrator of the Planning/Building/Public Works Department will be necessary prior to the approval of the administrative site plan for the proposal. In order to mitigate potential impacts to the wetland during site preparation and building construction, staff will recommend the applicant install silt fencing with brightly colored construction flags to indicate the boundaries of the wetland area and buffer. In order to mitigate future impacts to wetland habitat after the completion of the project, the applicant will be required to install permanent signage and fencing (e.g., split rail) to prevent intrusion into the wetland area and buffers. In addition, the applicant will be required to establish a native growth protection easement for the wetland and wetland buffer area, which prohibits disturbance within the designated boundaries. A draft copy of the easement will need to be approved by the City's Property Services section and the City Attorney before it is recorded. The satisfaction of this requirement will be necessary prior to the issuance of construction or building permits. Mitigation Measures: 1. During site preparation and construction, the applicant shall install silt fencing with brightly colored construction flags to indicate the boundaries of the wetland area and buffer. The satisfaction of this requirement is subject to the review and approval of the Development Services Division. SITERC 1 Ci+y of Renton P/B/PW Department Administrative Site Plan Approval&Environr 31 Review Committee Staff Report BLACKRIVER RIVERTECH 11 LUA-99-125, SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 5 of 12 2. After the development of the site is complete, the applicant shall install permanent signage and fencing (e.g., split rail) which prevents intrusion, as well as indicates the boundaries, of the wetland area and buffers. The satisfaction of this requirement will be subject to the review and approval of the Development Services Division prior to the final inspection of the building permit. 3. The applicant shall establish a native growth protection easement for the wetland area and buffers. The easement shall prohibit disturbance is to occur within the designated boundary. A draft copy of the easement shall be approved by the City's Property Services section and the City Attorney before it is recorded. The satisfaction of this requirement will be required prior to the issuance of building permits for the property. Policy Nexus: Environmental (SEPA) Ordinance, Wetland Regulations (3) Fire Impacts: The proposal would result in 13,141 square feet of new construction within the City limits. The future use of the site will potentially have need for emergency services which will impact the City's Fire Department. In order to offset the impacts associated with new development, all new construction is subject to a Fire Mitigation Fee. The fee is based on a rate of$0.52 per square foot of new construction. The Fire Mitigation Fee is estimated at $6,833.32 ($0.52 x 13,141 sf= $6,833.32). The Fire Mitigation fee is payable prior to the issuance of building permits. Mitigation Measures: The applicant shall pay the appropriate Fire Mitigation Fee equal to $0.52 per square foot of new construction. The Fire Mitigation Fee shall be paid prior to the issuance of building permits. Policy Nexus: Environmental (SEPA) Ordinance; Fire Mitigation Fee Resolution and adopting ordinance. (4) Transportation Impacts: According to the SEPA Checklist submitted by the applicant, the proposal is anticipated to generate 280 vehicle trips per day. Typically, a Transportation Mitigation Fee based on $75 per new average daily trip would be required for new development in the City. Due to the applicant's previous participation in the Oakesdale Local Improvement District, the Transportation Mitigation fee will not be applicable to this project. Mitigation Measures: No further mitigation is recommended. Policy Nexus: N/A B. Recommendation Based on analysis of probable impacts from the proposal, staff recommends that the Responsible Officials make the following Environmental Determination: DETERMINATION OF DETERMINATION OF NON-SIGNIFICANCE XX NON- SIGNIFICANCE- MITIGATED. Issue DNS with 14 day Appeal Period. Issue DNS-M with 14 day Appeal XX Period. Issue DNS-M with 15 day Comment Period with a Concurrent 14 day Appeal Period. SITERC City of Renton P/B/PW Department Administrative Site Plan Approval&Environ, )l Review Committee Staff Report rt BLACKRIVER RIVERTECH 11 LUA-99-125, SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 6 of 12 C. Mitigation Measures 1. The applicant shall follow the recommendations contained within the Geotechnical Engineering Study, dated November 3, 1999, prepared by Earth Consultants, Inc, with regard to the disturbance, preparation, and construction of the site. 2a. During site preparation and construction, the applicant shall install silt fencing with brightly colored construction flags to indicate the boundaries of the wetland area and buffer. The satisfaction of this requirement is subject to the review and approval of the Development Services Division. 2b. After the development of the site is complete, the applicant shall install permanent signage and fencing (e.g., split rail) which prevents intrusion, as well as indicates the boundaries, of the wetland area and buffers. The satisfaction of this requirement will be subject to the review and approval of the Development Services Division prior to the final inspection of the building permit. 2c. The applicant shall establish a native growth protection easement for the wetland area and buffers. The easement shall prohibit disturbance is to occur within the designated boundary. A draft copy of the easement shall be approved by the City's Property Services section and the City Attorney before it is recorded. The satisfaction of this requirement will be required prior to the issuance of building permits for the property. 3. The applicant shall pay the appropriate Fire Mitigation Fee equal to $0.52 per square foot of new construction. The Fire Mitigation Fee shall be paid prior to the issuance of building permits. Advisory Notes to Applicant: The following notes are supplemental information provided in conjunction with the environmental determination. Because these notes are provided as information only, they are not subject to the appeal process for environmental determinations. Planning 1. Garbage dumpster areas must be screened with a 6-foot height of fencing or landscaping. A screening detail must be provided with the building permit application. 2. A separate sign permit application is required for any proposed signage for the project. 3. The site plan must be revised to provide adequate widths for the proposed compact stalls prior to the issuance of building permits. A minimum compact stall width of 8%2 feet is required. 4. The site plan must be revised to provide a pedestrian crosswalk across the vehicle drive aisle that connects the walkway on the south side of the property to the entrance of the building. This will be required prior to the issuance of building permits. 5. Based on FEMA maps, the project site is designated as a flood way. However, City data indicates the flood way elevation to be at 13 feet. Building 1. There appears to be conflicts in the Soils Reports submitted with the application. These conflicts will need to be addressed at the time of Building Permit application review. Fire Prevention 1. The preliminary fire flow is 1750 gpm. One hydrant is required within 150 feet of the structure and one additional hydrant is required within 300 feet of the structure. 2. Separate plans and permit are required for the installation of fire alarm and sprinkler systems. 3. Fire Department access roadways are required to be within 150 feet of all portions of the building exterior. Roadways must be a minimum of 20 feet in width, with a turning radius of 45-feet on the outside and 25-feet on the inside. 4. Fire Department dead-end access roadways over 150 feet in length are required to have an approved turnaround. SITERC •City of Renton P/B/PW Department Administrative Site Plan Approval&Environr 11 Review Committee Staff Report BLACKRIVER RIVERTECH 11 LUA-99-125, SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 7 of 12 5. Provide a list of the flammable, combustible liquids and any hazardous chemical to be used or stored on-site. Plan Review— Sewer 1. The proposed building will be required to connect to the City of Renton's sanitary sewer system via side sewer to serve the site. A side sewer permit will be required at a fee of$80.00 per connection. 2. Waste water System Development Charges based on $0.078 per square foot of gross site area will be required. Plan Review— Drainage 1. Storm drainage plans and temporary erosion/sedimentation plans will be required to meet the 1990 KCSWDM as adopted by the City of Renton. 2. Surface water System Development Charges based on $0.129 per square foot of new impervious area installed on the site will be required. 3. No detention is required per earlier agreements with the City for the underlying plat. Water quality treatment is to be provided as shown. 4. The finished floor elevation of the proposed building at 16 feet is above the flood plain elevation determined by the City to be 13 feet. There appears to be adequate floodwater retention. Plan Review—Water 1. All new water mains, fire hydrants, and fire control sprinkler systems will be required to meet current Fire Code/Regulations. 2. Water System Development Charges based on $0.113 per square foot of gross site area will be required. 3. Domestic and irrigation water meters will be required to serve the site. Plan Review—Transportation 1. No traffic mitigation fee is required for this project based on the applicant's earlier participation in the Oakesdale LID. Refer to SEPA Checklist (page 12) for further information. 2. Street improvements are already in place in Powell Avenue SW, which include curb, gutters, sidewalk street paving and streetlights. Police 1. Estimate 6.98 police calls for service annually, based on the square footage of the business. Most calls are estimated to occur during the construction phase. To help reduce the incidents of commercial burglary, theft and vandalism that will occur during construction, it is recommended that the applicant provide temporary security fencing around the site. All tools and equipment will need to be secured when not in use, security lighting will need to be in place during the hours of darkness, and any construction/office trailer will need auxiliary locking devices, dead-bolts on metal doors, and metal bars over any windows to help prevent illegal entry. It is recommended that all tools have their serial numbers recorded to aid police in returning them to the victim if the items are stolen and later recovered. 2. This building will be at the end of Powell Avenue SW. This area in Renton reports crimes such as Commercial Burglary, Car Prowl and Auto Theft. In order to reduce the number of these crimes on the property, the building will need security lighting, metal doors with dead-bolt locks, and a monitored security alarm system. Since the site is by itself at the end of the road, it is recommended that fencing be installed around the building and parking lot of a type that can be secured at the end of the workday. This will help to prevent unlawful trespassing and other crimes on the property after business hours. It is recommended that the business post the correct "No Trespass" signs on the property, both during and after construction. This will aid police in making arrests on the property for trespass, and before other, more serious crimes occur. SITERC •C,v of Renton P/B/PW Department Administrative Site Plan Approval&Environr 3I Review Committee Staff Report BLACKRIVER RIVERTECH ll LUA-99-125, SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 8 of 12 PART THREE: ADMINISTRATIVE LAND USE ACTION - REPORT & DECISION This decision on the administrative land use action is made concurrently with the environmental determination. A. Type of Land Use Action XX Site Plan Review Shoreline Substantial Development Permit Conditional Use Binding Site Plan Special Permit for Grade & Fill Administrative Code Determination B. Exhibits The following exhibits were entered into the record: Exhibit No. 1: Yellow file containing: application, proof of posting and publication, environmental review and other documentation pertinent to this request. Exhibit No. 2: Drawing No. 1, Site Plan (Received August 26, 1999). Exhibit No. 3: Drawing No. 2, Building Floor Plan (Received August 26, 1999). Exhibit No. 4: Drawing No. 3, Building Elevation (Received August 26, 1999). Exhibit No. 5: Drawing No. 4, Landscape Plan (Received August 26, 1999). Exhibit No. 6: Drawing No. 5, Tree Cutting and Land Clearing Plan (Received August 26, 1999). Exhibit No. 7: Drawing No. 6, Utility and Grading Plan (Received August 26, 1999). Exhibit No. 8: Drawing No. 7, Neighborhood Detail Map (Received August 26, 1999). C. Consistency with Site Plan Criteria In reviewing the proposal with respect to the Site Plan Approval Criteria set forth in Section 4-9-200 of the Site Plan Ordinance, the following issues have been identified by City Departmental Reviewers and Divisional Reviewers: 1. Conformance with the comprehensive plan, its elements and policies; The subject site is designated Employment Area — Valley (EAV) on the City's Comprehensive Plan Land Use Map. The intent of the EAV designation is to provide for a mix of employment-based uses, including commercial, office and industrial development to support the economic development of the City of Renton (Objective LU-EEa). The proposal is consistent with the following policies intended to guide development in the EAV land use designation: Policy LU-212.1. Develop the Renton Valley and the Black River Valley areas as a place for a range and variety of commercial, office, and industrial uses. The proposal is to develop an office building in a location within the Black River Valley area. The proposed use is situated in an area that is currently developed with a variety and range of existing office and industrial uses. Policy LU-212.2. Compatible and related land uses should be encouraged to locate in proximity to one another. The proposed office building would be within close proximity to existing office and industrial buildings, all of which are compatible with the proposed use. 2. Conformance with existing land use regulations; The subject site is located in the Commercial Office (CO) zoning designation. The purpose of the CO zone is to provide areas appropriate for professional, administrative, and business offices and/or related uses. The proposal's satisfaction of the applicable development standards of the CO zone is discussed below: Lot Coverage — The CO zone allows a maximum building coverage of 65% of the site area. The proposed building footprint totals approximately 13,141 square feet. This would arrive at a building lot coverage of 6% of the site, which is well below the maximum permitted. SITERC T C{y of Renton P/B/PW Department Administrative Site Plan Approval&Envirom 3l Review Committee Staff Report BLACKRIVER RIVERTECH ll _ LUA-99-125, SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 9 of 12 Setbacks — The minimum front yard setback required in the CO zone is relative to the height of the proposed building. For buildings less than 25 feet in height (the proposal is for 20 feet), a minimum front yard setback of 15 feet is required. The proposal satisfies this requirement with the provision of a 34-foot setback from site's front property line. No rear or side yard setbacks are required unless the site is abutting or adjacent to a residentially zoned property, in which case a minimum setback of 15 feet is required. The subject site abuts property designated Residential Multi-Family — Infill (RM-I) along the northern property line. The proposed building is located approximately 70 feet south of this boundary at its closest point, thereby satisfying this requirement. Landscaping — When abutting residentially zoned property, a 15-foot wide landscaped visual buffer must be provided. The site's northern boundary line abuts property zoned RM-I and also transects a category 2 wetland that encompasses the majority of the site. The City's wetland regulations prohibit the disturbance or alteration of wetland areas. Along the north elevation of the building, a 15-foot landscape width that includes tree and shrub plantings is proposed. When combined, the proposed plantings and the 70-foot setback area that includes the wetland area and buffer, provide an adequate visual buffer for the abutting RM-I designated property. In addition, properties located in the Green River Valley Planning Area are required to dedicate a minimum of 2% of the site area to natural landscaping. The portion of the site that includes the wetland and is not proposed to be disturbed is approximately 1.39 acres in size. This preserved area exceeds the minimum 2% natural landscape requirement. Building Height— The maximum building height permitted in the CO zone is 250 feet. The proposed office building is one story and would have a height of 20 feet. The screening provided for rooftop equipment would reach a total height of 26 feet for that portion of the building. All areas of the proposed building would comply with the height limitations of the zone. Parking — The parking regulations require a minimum of 3 to a maximum of 4.5 parking spaces for every 1,000 square feet of floor area dedicated to office use. For the proposed 13,141 square foot office building, a minimum of 39 to a maximum of 59 parking stalls must be provided on-site. The proposal includes 53 stalls, including 13 compact and 3 ADA accessible spaces. The proposed number of compact and ADA stalls comply with the amount of spaces allowed and/or required. Standard ninety-degree parking stalls are required to be 9 feet wide and 20 feet long and compact stalls must be 81/2 feet wide and 16 feet long. In addition, ninety-degree stalls require a minimum aisle width of 24 feet. The proposal satisfies the minimum standards for stall sizes and aisle width, with the exception of the width proposed for the compact stalls. The site plan indicates a stall width of 8 feet, which does not satisfy the minimum 8' -foot width required. The applicant will need to revise the site plan in order to provide the appropriate compact stall width prior to the issuance of building permits. 3. Mitigation of impacts to surrounding properties and uses; The subject site is surrounded by existing office and industrial buildings, which are not anticipated to be impacted by the development. There are also multi-family residences located northwest of the site across the abutting Burlington Northern Railroad right-of-way. When considering the distance separating the residential uses from the site (over 200 feet) and the natural and proposed landscaping to be located between the north property line and the proposed building, impacts to surrounding properties and uses would be minimal. Potential short-term noise and traffic impacts would result from the initial construction of the project to adjacent properties. These impacts would be mitigated by existing code provisions that limit construction work hours. The applicant's construction mitigation plan also indicates proposed work hours from 7:00 am to 6:00 pm. SITERC Ci';y of Renton P/B/PW Department Administrative Site Plan Approval&Environr Review Committee Staff Report BLACKRIVER RIVERTECH II LUA-99-125, SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 10 of 12 4. Mitigation of impacts of the proposed site plan to the site; The site contains a 1.38-acre high quality, category 2 wetland. The proposal includes the fill of approximately 840 square feet of the wetland, as well as the averaging of the required 50-foot buffer width. As discussed under the Environmental Review portion of this report, mitigation credits have been granted based on the applicant's creation of wetlands associated with the development of the P-1 detention basin. The applicant will be required to install fencing to protect the wetland area and buffers during site construction and after the completion of the project. The applicant's construction mitigation plan also indicates the use of erosion control measures, such as silt fences, dust watering, and sediment pond, to be implemented during construction to mitigate potential impacts to the site. 5. Conservation of area-wide property values; The proposal would allow for the development of a site that is currently vacant and underutilized. The project is anticipated to conserve or enhance area-wide property values in the vicinity. 6. Safety and efficiency of vehicle and pedestrian circulation; A 28-foot single driveway off the north end of the Powell Avenue SW cul-de-sac would provide access to the proposed development. Access easements are also established across the adjacent property on the west side of the site. The proposed drive aisles and back out distances for the proposed parking and circulation areas appear to comply with code requirements. The site plan does not provide for an adequate pedestrian connection as required in the CO zone. Prior to the issuance of building permits, the proposal will be required to provide adequate pathways that connect the parking areas to the building entrance in order to ensure safe pedestrian circulation on the site. 7. Provision of adequate light and air; The proposed structure is sufficiently designed and setback from the property lines to provide adequate light and air circulation to the building and the site. 8. Mitigation of noise, odors and other harmful or unhealthy conditions; It is anticipated that minimal noise and odors impacts would result from the initial construction of the site. These short-term impacts would be mitigated by the applicant's construction mitigation plan, which includes limiting work hours to 7:00 am to 6:00 pm. The proposed development would not generate any harmful or unhealthy conditions. Noise impacts associated with increased traffic and activities resulting from the completed office building would not increase significantly above existing conditions. 9. Availability of public services and facilities to accommodate the proposed use; and There are adequate and available public services and facilities to accommodate the proposed development. In order to compensate for the increased demand on public services resulting from the completed project, the applicant will be required to pay the Fire Mitigation fee as imposed by the Environmental Review Committee. 10. Prevention of neighborhood deterioration and blight. The proposal would serve to prevent neighborhood deterioration and blight by developing a currently vacant property into an improved office building development. XX Copies of all Review Comments are contained in the Official File. Copies of all Review Comments are attached to this report. SITERC f City of Renton P/B/PW Department Administrative Site Plan Approval&Environr 31 Review Committee Staff Report ► BLACKRIVER RIVERTECH 11 LUA-99-125, SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 11 of 12 D. Findings, Conclusions & Decision Having reviewed the written record in the matter, the City now enters the following: 1) Request: The Applicant has requested Environmental Review and Site Plan Approval for the Blackriver Rivertech II Building, Project No. LUA-99-125, SA-A, ECF. 2) Environmental Review: The applicant's file containing the application, State Environmental Policy Act (SEPA) documentation, the comments from various City departments, the public notices requesting citizen comment, and other pertinent documents was entered as Exhibit No. 1. 3) Site Plan Review: The applicant's site plan application complies with the requirements for information for site plan review, provided all advisory notes and conditions of approval are complied with. The applicant's site plan and other project drawings are entered as Exhibits No. 2 through 8. 4) Comprehensive Plan: The subject proposal is consistent with the Comprehensive Plan designation of Employment Area—Valley (EAV). 5) Zoning: The Site Plan as presented, complies with the zoning requirements and development standards of the Commercial Office (CO) Zoning designation. 6) Existing Land Use: Land uses surrounding the subject site include: North: Developed property, zoned Residential Multi-family — Infill (RM-I); East: Developed property, zoned Commercial Office (CO); South: Developed property, zoned Medium Industrial (IM) and West: Developed property, zoned Residential Multi-family— Infill (RM-I) and Medium Industrial (IM). E. Conclusions 1) The subject proposal complies with the policies and codes of the City of Renton, provided all advisory notes and conditions of approval are complied with. 2) The proposal complies with the Comprehensive Plan designation of Employment Area — Valley (EAV); and the Zoning designation of Commercial Office (CO). F. Decision The Site Plan for the Blackriver Rivertech II Building, File No. LUA-99-125, SA-A, ECF, is approved subject to the following condition: 1. The applicant shall obtain approval of the wetland modification request, which allows for the granting of wetland mitigation credits for the proposed development. EFFECTIVE DATE OF DECISION ON LAND USE ACTION: SIGNATURES: Jane Hanson,Zoning Administrator date SITERC t City of Renton P/B/PW Department Administrative Site Plan Approval&Environr 11 Review Committee Staff Report BLACKRIVER RIVERTECH II LUA-99-125, SA-A, ECF REPORT AND DECISION OF NOVEMBER 30, 1999 Page 12 of 12 TRANSMITTED this 6th day of December, 1999 to the applicant and owner: Blackriver-Rivertech LLC (owner) do Alper Northwest 700 5 h Avenue, Suite 6000 Seattle,WA 98104 LPN Architects and Planners (applicant) Royce A. Berg 1535 4th Avenue South, Suite D Seattle,WA 98134 TRANSMITTED this 6th day of December, 1999 to the following: Larry Meckling, Building Official C. Duffy, Fire Prevention Neil Watts,Public Works Division Lawrence J.Warren,City Attorney South County Journal Environmental Determination and Land Use Decision Appeal Process Appeals of either the environmental determination [RCW 43.21.0075(3), WAC 197-11-680] and/or the land use decision must be filed in writing on or before 5:00 PM December 20, 1999. If no appeals are filed by this date, both actions will become final. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425)430-6510. SITERC 1 PROPERTY LINE PROPERTY LME--I Z O . EDGE OF REILAND.WARES /,^ I— PARKII PARKI 1 lLl I RAILROAD TRACKS Z En REILAND FILL AREA —R1111_111111=IIIIII=IIIIII ¢ Q °CES AAR W. 1 N1=IIIIIL--IIIIII=IIIIII=IIIIII=III1 W �I ommmInll --IIIIII-=llnm_a hIII..AEII'I =nIR� I9RI_NuNI-11�Ix-10111=UUU 1111111 I III=“1111-1D18_1101 111=11111U_IIIIII-IIIIII=IIIIII=IIIIII=IIIIII=IIIIII_ 0 WIIlllllasllllll 1111=IIIIII=IIIIII=IIIIII=111111M111111=11111=IIIIII=IIIIII=IIIIII=IIIIII=IIIIII=IIIIII=IIIIII=IIIIII=IIIIII=IIIIII=111111 11111IIIIII=IIIIIIIIIIIIIIIIII=IIIIII=1111 0 O i i U`w Z N(TLANDS Ill'J/ CC WETLAND nu. ARIA.YAKS _ - Y / 9TE FXL/GRADING , 0 Er (OUTSIDE OF WETLANDS) W U Q Z a SITE SECTION - AA 20' 1 w H- w >CO ¢z TABULATION-LEGEND -W CC 0 !— ACCESS SITE AREA t217,800 SF(5 ACRES) EXISTING WETLAND *60.348 SF(1.38 ACRES) I 0 REC NO.IMgriaee BUILDING AREA t13,141 SF PARKING(REQUIRED 40) 53 STALLS-PROPOSED = 0 CC Z IMPERVIOUS SURFACE t43,560 SF(1 ACRE) PARKING RATIO 4.0 STALLS/b OO SF ~ (�_ INCLUDES EXIST.ROADS STANDARD 9'X20'(18'+2') 37 W CC ED -I W / LANDSCAPE S.F. t17{,240 S.F.TOTAL W/WETLAND COMPACT B'X16' 13 " /I• FORMAL ±19,000 S.F. H.C.ACCESSIBLE 8'+5'x20' 2 -Z W V•• PARKING t5,340 S.F. H.C. VAN 8'+8•X20• 1 Se cc ¢0 /�11 ),•,• •�� NATURAL t149,900 S.F. LOADING AREA 30'X30' 0 W �0 ' 1R• J AREA OF STRUCTUAL FILL t950 CUBIC YARDS,INCLUDES BUILDING HEIGHT ALLOWED 250 FT. PROPOSED 20 FT. tB40 S.F.(0.02 ACRES)OF <Z II I 4 1•••••,•, BUILDING SETBACKS J J I II 1 • A.44, REQUIRED S 15 FT. PROPOSED S 34 FT. PERMITTED WETLAND FILL 'Iy it FT. •-• .,.1 .I'.,. A__ fX/ST/A/G B E 0 FT. E 600FFT. 1 .'.' ' '• U 1./ W 0 FT. W 410 FT. 1 ip,e AF.EgST.' R NGT If.:.VEG6rATIpN • .1 ON NORTHERN I it, ` .. .. �!•:•�• /IRO ARCHITECTURE 4)/ T..iEG/g4Re A 1 ''. . . . . .• SLOPE W AD TR /� and PLANNING E T 1, , , , , , . .1 • ASKS YO FNFF CEXD.PRINCIPAL iw1.IRRICrwI � K AREA l RCRAND •4 1515-•IN AVF N1.1A4 PAYED ••' •.:. '-'' .L07Ae.5.c.�.. :...:.:... . . • sE.,nlF.wAvr.aon+el.0 110615610330 FAX 561010E �? fll .AREA=I/IO.AGA6•.';..� •��~��•� �'�•.'.'. • I••• 14Af41,',' 25'YIN.SETBACK •' .•.•. 1`t c I L,'.',',•.'.' •. :/ SO AVCRAGE SETBACK \• • • , ,'•:. '1( I NEw vARI1MC'\-' Jj .i.' .f--- - ``�,�`i^` • •' i I• . • •• •/• �` TRASH ENCLOSURE 1 1 CU,T_Sni — = `=J• 'i,.• s2.l"y,D / OFFICEBI DING,. ___ ., :^' " NO DESCRIPTION DATE I1 I . 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Vita: . ,3q Iauchlin FL Bethune Associates PLAN E SECTION A SECTION B Far 9900E 511E-1orO 1..1.4.+ ,aa. 1"-1 a-.^ 0 20' w SO' '.E: �.m JOB NO moa SHEET NO OF. GATE: 7- « Q ORAMN:I.WsIIA! L-1 5 SCHEMATIC LANDSCAPE PLAN 40' 1 CHECO (4 z 0 I- 0 fUGNTS TYPICAL ARY MOUNTED PANTED NV<SCREEN TW W CAL REVEAL TCAL PAINTED CONCRETE TINTED GLASS,Allummu ON NEGNANCAS UNIT,T ARDCULATION PANELSI Ate.- W. FRANC �� Cr I n. o��— � ... O I0w ~o .---1 - I _„.,i, a ._. ._ J> W WZa SOUTH ELEVATION 1/8' • 1 Z w W F- f- >CO ¢Z ¢. 00 I ¢CL ccF- 0= - w¢ U0 >O ¢< UW YO 7 as UF- ma mo WEST ELEVATION / ENTRY 1/8' I andARCHITPLANECTNUNRE PLANNING RO.CE.A.NVG.vvwCVAL r.AAA..CNN..Yv+C1 1. ISM On Ave sown N.eD sfAnMF.WAY.NGION N. 120.NR1m1U.AY AXON O C] r— ,xe.= NO Di SCRIP 10. I PRELII.INARr 7 _SITE PLAN APPROVAL R NORTH ELEVATION 1/8' IMMURES r RAO 2505 R7 277V SPD04 OR. EAD p7rrnMOM ......:11=0"Lony.Lora y�A ZSNOI•I•° ===w^ COtrroua KAD ELEVATIONS w �E\\EM ."A.-`"`.` II& hour.$.dr �o Y. S ����/IR��. '. /I \ Tt- &oG uro. £ 5����• ' - .^�.w �.1�i zo'-a'POLE UM F. ��■■■�I�. �_ Waal• ,..... . F.9900E/RIV-A3 ERG� —� r...ru.rr. T ti = /;/;1 JOB No.. RRODE 1.EE7 NO a. 0 5' 10' 20' DATE. T-OR-OR ON SITE LIGHTING FIXTURES CHECK—1 EAST ELEVATION 1/8' DRANti """EGR A-3 NECN. .Iv-.x... M/11/9/267 p. •,r, I . ��1 i i i_: I I . I / I I I I l 1--mm r•r ! --e 1 i 1 l I If 1 p J I IK Q I 1 . L l 1 r-• k • IR • I I i te-r e • e ws e ; II i J J_JI ^ r • 1 i_ 1 1 • I o r o • w 0 o CD v r ?� D Z c.711 /® i r0 m s - =A BLACKRIVER - RIVERTECH L.L.C. � F E K �c£',^ n� u D3 �i _bl ,__ ALPER NORTHWEST, INC., DEVELOPER v z Et.i�R =� BLACKRIVER CORPORATE PARK - RENTON, WASHINGTON N € a,i = h =� RENTON, WASHINGTON rrozz �T C1TY OF RENTON : ... CURRENT PLANNING.DN.ISION ;,AFFIDAVIT OF SERVICE BY.MAILING On the -vd day of T)-ec: -- , 1999, I deposited in the mails of the United States, a sealed envelope containing a j e.terW\ Y 010 documents. This information was sent to: Name Representing Department of Ecology Don Hurter WSDOT KC Wastewater Treatment Division Larry Fisher Washington Department of Fisheries David F. Dietzman Department of Natural Resources Shirley Lukhang Seattle Public Utilities Duwamish Indian Tribe Rod Malcom Muckleshoot Indian Tribe Joe Jainga Puget Sound Energy (Signature of Sender) S UAd-t -k Sew- .r STATE OF WASHINGTON ) SS COUNTY OF KING ) I certify that I know or have satisfactory evidence that Jr- f.d rd. . c•eP signed this instrument and acknowledged it to be his/her/their free and voluntary act forte uses and purposes mentioned in the instrument. �/ Date .. ,� — 1 GL� 7) tJirr‘(' ' �. '''' Notary Public in nd for the State of Wash��;�+n NOTARY PUBLIC MARILYN w4MCHEFF STATE OF WASHINGTON Notary (Print) MY APPOINTMENT EXPIRtS:6,29-03 COMMISSION EXPIRES My appointment expires: JUNE 29, 2003 Project Name: 2lQcV1ve_r_ - -tec,n it Project Number: LOA .cIq . IZS ) SIP' , rt ‘at NOTARY.DOC CITY )F RENTON Planning/Building/Public Works Department Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator December 2, 1999 Washington State Department of Ecology Environmental Review Section PO Box 47703 Olympia, WA 98504-7703 Subject: Environmental Determinations Transmitted herewith is a copy of the Environmental Determination for the following project reviewed by the Environmental Review Committee (ERC) on November 30, 1999: DETERMINATION OF NON-SIGNIFICANCE-MITIGATED BLACKRIVER RIVERTECH II LUA-99-125,SA-A,ECF The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO) zone. The site is 5 acres in size and contains a Category 2 on-site wetland. The applicant is requesting buffer averaging for the required 50- foot buffer width. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 840 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. Location: Powell Avenue SW, north of SW 7th Street. Appeals of either the environmental determination [RCW 43.21.0075(3), WAC 197-11-680] and/or the land use decision must be filed in writing on or before 5:00 PM December 20, 1999. If no appeals are filed by this date, both actions will become final. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425) 430-6510. If you have questions, please call me at (425) 430-7270. For the Environmental Review Committee, Lesley Nishihira Project Manager cc: King County Wastewater Treatment Division Larry Fisher, Department of Fisheries David F. Dietzman, Department of Natural Resources Don Hurter, Department of Transportation Shirley Lukhang, Seattle Public Utilities Duwamish Tribal Office Rod Malcom, Fisheries, Muckleshoot Indian Tribe (Ordinance) Joe Jainga, Puget Sound Energy agencyltr\ 1055 South Grady Way-Renton,Washington 98055 ®This paper contains 50%recycled material,20%post consumer - �• ,�,_ CITY IF RENTON Lt. a% Planning/Building/Public Works Department Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator December 02, 1999 Mr. Royce Berg 1535 Fourth Avenue South, Suite D Seattle,WA 98134 SUBJECT: Blackriver Rivertech II Project No. LUA-99-125,SA-A,ECF Dear Mr. Berg: This letter is written on behalf of the Environmental Review Committee (ERC) and is to advise you that they have completed their review of the subject project. The ERC, on November 30, 1999, issued a threshold Determination of Non- Significance-Mitigated with Mitigation Measures. See the enclosed Mitigation Measures document. Appeals of either the environmental determination [RCW 43.21.0075(3), WAC 197-11-680] and/or the land use decision must be filed in writing on or before 5:00 PM December 20, 1999. If no appeals are filed by this date, both actions will become final. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425)430-6510. The preceding information will assist you in planning for implementation of your project and enable you to exercise your appeal rights more fully, if you choose to do so. If you have any questions or desire clarification of the above, please call me at(425)430-7270. For the Environmental Review Committee, /Ai Lesley Nishi Project Manager cc: Blackriver-RiverTech LLC/Owners Enclosure dnsmltr 1055 South Grady Way-Renton, Washington 98055 ®This paper contains 50%recycled material,20%post consumer CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) MITIGATION MEASURES AND CONDITIONS APPLICATION NO(S): LUA-99-125,SA-A,ECF APPLICANT: LPN Architects PROJECT NAME: Blackriver Rivertech II DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO)zone. The site is 5 acres in size and contains a Category 2 on-site wetland. The applicant is requesting buffer averaging for the required 50-foot buffer width. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of`950 cubic yards of structural fill, and the removal of 10 trees. Approximately 840 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. LOCATION OF PROPOSAL: Powell Avenue SW, North of SW 7th Street MITIGATION MEASURES: 1. The applicant shall follow the recommendations contained within the Geotechnical Engineering Study, dated November 3, 1999, prepared by Earth Consultants, Inc, with regard to the disturbance, preparation, and construction of the site. 2a. During site preparation and construction, the applicant shall install silt fencing with brightly colored construction flags to indicate the boundaries of the wetland area and buffer. The satisfaction of this requirement is subject to the review and approval of the Development Services Division. 2b. After the development of the site is complete, the applicant shall install permanent signage and fencing (e.g., split rail)which prevents intrusion, as well as indicates the boundaries, of the wetland area and buffers. The satisfaction of this requirement will be subject to the review and approval of the Development Services Division prior to the final inspection of the building permit. 2c. The applicant shall establish a native growth protection easement for the wetland area and buffers. The easement shall prohibit disturbance is to occur within the designated boundary. A draft copy of the easement shall be approved by the City's Property Services section and the City Attorney before it is recorded. The satisfaction of this requirement will be required prior to the issuance of building permits for the property. 3. The applicant shall pay the appropriate Fire Mitigation Fee equal to $0.52 per square foot of new construction. The Fire Mitigation Fee shall be paid prior to the issuance of building permits. The Site Plan for the Blackriver Rivertech II Building, File No. LUA-99-125, SA-A, ECF, is approved subject to the following condition: 1. The applicant shall obtain approval of the wetland modification request,which allows for the granting of wetland mitigation credits for the proposed development. CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) ADVISORY NOTES APPLICATION NO(S): LUA-99-125,SA-A,ECF APPLICANT: LPN Architects PROJECT NAME: Blackriver Rivertech II DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO) zone. The site is 5 acres in size and contains a Category 2 on-site wetland. The applicant is requesting buffer averaging for the required 50-foot buffer width. The proposal also includes the cut of 200--cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 840 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. LOCATION OF PROPOSAL: Powell Avenue SW, North of SW 7th Street Advisory Notes to Applicant: The following notes are supplemental information provided in conjunction with the environmental determination. Because these notes are provided as information only, they are not subject to the appeal process for environmental determinations. Planning 1. Garbage dumpster areas must be screened with a 6-foot height of fencing or landscaping. A screening detail must be provided with the building permit application. 2. A separate sign permit application is required for any proposed signage for the project. 3. The site plan must be revised to provide adequate widths for the proposed compact stalls prior to the issuance of building permits. A minimum compact stall width of 81/2 feet is required. 4. The site plan must be revised to provide a pedestrian crosswalk across the vehicle drive aisle that connects the walkway on the south side of the property to the entrance of the building. This will be required prior to the issuance of building permits. 5. Based on FEMA maps, the project site is designated as a flood way. However, City data indicates the flood way elevation to be at 13 feet. Fire Prevention 1. The preliminary fire flow is 1750 gpm. One hydrant is required within 150 feet of the structure and one additional hydrant is required within 300 feet of the structure. 2. Separate plans and permit are required for the installation of fire alarm and sprinkler systems. 3. Fire Department access roadways are required to be within 150 feet of all portions of the building exterior. Roadways must be a minimum of 20 feet in width, with a turning radius of 45-feet on the outside and 25-feet on the inside. 4. Fire Department dead-end access roadways over 150 feet in length are required to have an approved turnaround. 5. Provide a list of the flammable, combustible liquids and any hazardous chemical to be used or stored on-site. Blackriver Rivertech II LUA-99-125, SA-A, ECF Advisory Notes (continued) Page 2 of 2 Building 1. There appears to be conflicts in the Soils Reports submitted with the application. These conflicts will need to be addressed at the time of Building Permit application review. Plan Review—Sewer 1. The proposed building will be required to connect to the City of Renton's sanitary sewer system via side sewer to serve the site. A side sewer permit will be required at a fee of $80.00 per connection. 2. Waste water System Development Charges based on $0.078 per square foot of gross site area will be required. Plan Review—Drainage 1. Storm drainage plans and temporary erosion/sedimentation plans will be required to meet the 1990 KCSWDM as adopted by the City of Renton. 2. Surface water System Development Charges based on $0.129 per square foot of new impervious area installed on the site will be required. 3. No detention is required per earlier agreements with the City for the underlying plat. Water quality treatment is to be provided as shown. 4. The finished floor elevation of the proposed building at 16 feet is above the flood plain elevation determined by the City to be 13 feet. There appears to be adequate floodwater retention. Plan Review—Water 1. All new water mains, fire hydrants, and fire control sprinkler systems will be required to meet current Fire Code/Regulations. 2. Water System Development Charges based on $0.113 per square foot of gross site area will be required. 3. Domestic and irrigation water meters will be required to serve the site. Plan Review—Transportation 1. No traffic mitigation fee is required for this project based on the applicant's earlier participation in the Oakesdale LID. Refer to SEPA Checklist(page 12)for further information. 2. Street improvements are already in place in Powell Avenue SW, which include curb, gutters, sidewalk street paving and streetlights. Police 1. Estimate 6.98 police calls for service annually, based on the square footage of the business. Most calls are estimated to occur during the construction phase. To help reduce the incidents of commercial burglary, theft and vandalism that will occur during construction, it is recommended that the applicant provide temporary security fencing around the site. All tools and equipment will need to be secured when not in use, security lighting will need to be in place during the hours of darkness, and any construction/office trailer will need auxiliary locking devices, dead-bolts on metal doors, and metal bars over any windows to help prevent illegal entry. It is recommended that all tools have their serial numbers recorded to aid police in returning them to the victim if the items are stolen and later recovered. 2. This building will be at the end of Powell Avenue SW. This area in Renton reports crimes such as Commercial Burglary, Car Prowl and Auto Theft. In order to reduce the number of these crimes on the property, the building will need security lighting, metal doors with dead- bolt locks, and a monitored security alarm system. Since the site is by itself at the end of the road, it is recommended that fencing be installed around the building and parking lot of a type that can be secured at the end of the workday. This will help to prevent unlawful trespassing and other crimes on the property after business hours. It is recommended that the business post the correct"No Trespass"signs on the property, both during and after construction. This will aid police in making arrests on the property for trespass, and before other, more serious crimes occur. CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) APPLICATION NO(S): LUA-99-125,SA-A,ECF APPLICANT: LPN Architects PROJECT NAME: Blackriver Rivertech II DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO) zone. The site is 5 acres in size and contains a Category 2 on-site wetland. The applicant is requesting buffer averaging for the required 50-foot buffer width. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 840 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. LOCATION OF PROPOSAL: Powell Avenue SW, North of SW 7th Street LEAD AGENCY: City of Renton Department of Planning/Building/Public Works Development Planning Section The City of Renton Environmental Review Committee has determined that it does not have a probable significant adverse impact on the environment. An Environmental Impact Statement (EIS) is not required under RCW 43.21C.030(2)(c). Conditions were imposed as mitigation measures by the Environmental Review Committee under their authority of Section 4-6-6 Renton Municipal Code. These conditions are necessary to mitigate environmental impacts identified during the environmental review process. Appeals of either the environmental determination [RCW 43.21.0075(3), WAC 197-11-680] and/or the land use decision must be filed in writing on or before 5:00 PM December 20, 1999. If no appeals are filed by this date, both actions will become final. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425)430-6510. PUBLICATION DATE: December 6, 1999 DATE OF DECISION: November 30, 1999 SIGNATURES: r gg /Aministra . DAT!l 30/ T Depart erm ,e/t of anning/Building/Public Works t 1 c.,, �r , iitt� ./ /(7.76 6 P Jim Shepherd, Admiistrator DATE CCommunity Services ii �- f Lee heeler, Fire Chief D TE Renton Fire Department ercsignature CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) MITIGATION MEASURES AND CONDITIONS APPLICATION NO(S): LUA-99-125,SA-A,ECF APPLICANT: LPN Architects PROJECT NAME: Blackriver Rivertech II DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO) zone. The site is 5 acres in size and contains a Category 2 on-site wetland. The applicant is requesting buffer averaging for the required 50-foot buffer width. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 840 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. LOCATION OF PROPOSAL: Powell Avenue SW, North of SW 7th Street MITIGATION MEASURES: 1. The applicant shall follow the recommendations contained within the Geotechnical Engineering Study, dated November 3, 1999, prepared by Earth Consultants, Inc, with regard to the disturbance, preparation, and construction of the site. 2a. During site preparation and construction, the applicant shall install silt fencing with brightly colored construction flags to indicate the boundaries of the wetland area and buffer. The satisfaction of this requirement is subject to the review and approval of the Development Services Division. 2b. After the development of the site is complete, the applicant shall install permanent signage and fencing (e.g., split rail) which prevents intrusion, as well as indicates the boundaries, of the wetland area and buffers. The satisfaction of this requirement will be subject to the review and approval of the Development Services Division prior to the final inspection of the building permit. 2c. The applicant shall establish a native growth protection easement for the wetland area and buffers. The easement shall prohibit disturbance is to occur within the designated boundary. A draft copy of the easement shall be approved by the City's Property Services section and the City Attorney before it is recorded. The satisfaction of this requirement will be required prior to the issuance of building permits for the property. 3. The applicant shall pay the appropriate Fire Mitigation Fee equal to $0.52 per square foot of new construction. The Fire Mitigation Fee shall be paid prior to the issuance of building permits. The Site Plan for the Blackriver Rivertech II Building, File No. LUA-99-125, SA-A, ECF, is approved subject to the following condition: 1. The applicant shall obtain approval of the wetland modification request, which allows for the granting of wetland mitigation credits for the proposed development. CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) ADVISORY NOTES APPLICATION NO(S): LUA-99-125,SA-A,ECF APPLICANT: LPN Architects PROJECT NAME: Blackriver Rivertech II DESCRIPTION OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO) zone. The site is 5 acres in size and contains a Category 2 on-site wetland. The applicant is requesting buffer averaging for the required 50-foot buffer width. The proposal also includes the cut of 200`cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 840 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. LOCATION OF PROPOSAL: Powell Avenue SW, North of SW 7th Street Advisory Notes to Applicant: The following notes are supplemental information provided in conjunction with the environmental determination. Because these notes are provided as information only, they are not subject to the appeal process for environmental determinations. Planning 1. Garbage dumpster areas must be screened with a 6-foot height of fencing or landscaping. A screening detail must be provided with the building permit application. 2. A separate sign permit application is required for any proposed signage for the project. 3. The site plan must be revised to provide adequate widths for the proposed compact stalls prior to the issuance of building permits. A minimum compact stall width of 8%feet is required. 4. The site plan must be revised to provide a pedestrian crosswalk across the vehicle drive aisle that connects the walkway on the south side of the property to the entrance of the building. This will be required prior to the issuance of building permits. 5. Based on FEMA maps, the project site is designated as a flood way. However, City data indicates the flood way elevation to be at 13 feet. Fire Prevention 1. The preliminary fire flow is 1750 gpm. One hydrant is required within 150 feet of the structure and one additional hydrant is required within 300 feet of the structure. 2. Separate plans and permit are required for the installation of fire alarm and sprinkler systems. 3. Fire Department access roadways are required to be within 150 feet of all portions of the building exterior. Roadways must be a minimum of 20 feet in width, with a turning radius of 45-feet on the outside and 25-feet on the inside. 4. Fire Department dead-end access roadways over 150 feet in length are required to have an approved turnaround. 5. Provide a list of the flammable, combustible liquids and any hazardous chemical to be used or stored on-site. Blackriver Rivertech II LUA-99-125, SA-A, ECF Advisory Notes (continued) Page 2 of 2 Building 1. There appears to be conflicts in the Soils Reports submitted with the application. These conflicts will need to be addressed at the time of Building Permit application review. Plan Review—Sewer 1. The proposed building will be required to connect to the City of Renton's sanitary sewer system via side sewer to serve the site. A side sewer permit will be required at a fee of $80.00 per connection. 2. Waste water System Development Charges based on $0.078 per square foot of gross site area will be required. Plan Review—Drainage 1. Storm drainage plans and temporary erosion/sedimentation plans will be required to meet the 1990 KCSWDM as adopted by the City of Renton. 2. Surface water System Development Charges based on $0.129 per square foot of new impervious area installed on the site will be required. 3. No detention is required per earlier agreements with the City for the underlying plat. Water quality treatment is to be provided as shown. 4. The finished floor elevation of the proposed building at 16 feet is above the flood plain elevation determined by the City to be 13 feet. There appears to be adequate floodwater retention. Plan Review—Water 1. All new water mains, fire hydrants, and fire control sprinkler systems will be required to meet current Fire Code/Regulations. 2. Water System Development Charges based on $0.113 per square foot of gross site area will be required. 3. Domestic and irrigation water meters will be required to serve the site. Plan Review—Transportation 1. No traffic mitigation fee is required for this project based on the applicant's earlier participation in the Oakesdale LID. Refer to SEPA Checklist(page 12)for further information. 2. Street improvements are already in place in Powell Avenue SW, which include curb, gutters, sidewalk street paving and streetlights. Police 1. Estimate 6.98 police calls for service annually, based on the square footage of the business. Most calls are estimated to occur during the construction phase. To help reduce the incidents of commercial burglary, theft and vandalism that will occur during construction, it is • recommended that the applicant provide temporary security fencing around the site. All tools and equipment will need to be secured when not in use, security lighting will need to be in place during the hours of darkness, and any construction/office trailer will need auxiliary locking devices, dead-bolts on metal doors, and metal bars over any windows to help prevent illegal entry. It is recommended that all tools have their serial numbers recorded to aid police in returning them to the victim if the items are stolen and later recovered. 2. This building will be at the end of Powell Avenue SW. This area in Renton reports crimes such as Commercial Burglary, Car Prowl and Auto Theft. In order to reduce the number of these crimes on the property, the building will need security lighting, metal doors with dead- bolt locks, and a monitored security alarm system. Since the site is by itself at the end of the road, it is recommended that fencing be installed around the building and parking lot of a type that can be secured at the end of the workday. This will help to prevent unlawful trespassing and other crimes on the property after business hours. It is recommended that the business post the correct"No Trespass"signs on the property, both during and after construction. This will aid police in making arrests on the property for trespass, and before other, more serious crimes occur. NOTICE . ENVIRONMENTAL DETERMINATION POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION PROJECT NAME; BLACKRIVER RIVERTECH II PROJECT NUMBER: LUA-99.125,SA-A,ECF The applicant is requesting Environmental(SEPA)Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office(CO)zone. The site is 5 acres in size and contains a Category 2 on-site wetland.The applicant is requesting buffer averaging for the required 50-foot buffer width. The proposal also includes the cut of 200 cubic yards of topsoil,the placement of 950 cubic yards of structural fill,and the removal of 10 trees. Approximately 840 square feet of the wetland is approved to be filed hype Army Corp of Engineers and the Department of Ecology. Location:Powell Avenue SW,north of SW r Sheet. THE CITY OF RENTON ENVIRONMENTAL REVIEW COMMITTEE (ERC)HAS DETERMINED THAT THE PROPOSED ACTION DOES NOT HAVE A SIGNIFICANT ADVERSE IMPACT ON THE ENVIRONMENT. Appeals of either the environmental determination[RCW 43.21.0075(3),WAC 197-11-680]and/or the land use decision must be filed In writing on or before 5:00 PM December 20,1999. If no appeals are filed by this date,both actions will become final.Appeals must be fled in writing together with the required$75.00 application fee with: Hearing Examiner,City of Renton,1055 South Grady Way,Renton,WA 98055.Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-110, Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office,(425)430-8510. _•r • kV' .,:74. .. ite Esc • • . le\ , fa WI er waroe a �, fie' -t._._I -.".6ra�` .:,� e8t. n 71T nremeermerore. ._'t,r ; r .t" o (� ' •, ! w i ' ' ',..•‘• - .- ...ilk 1111.1 1 . . -, • ova \ ., , a." ©''° ' 011 : -," FOR FURTHER INFORMATION,PLEASE CONTACT THE CITY OF RENTON,DEVELOPMENT SERVICES DIVISION AT(42530-7200. DO NOT REMOVE THIS NOTICE WITHOUT PROPER AUTHORIZATION tPlease include the project NUMBER when calling for proper file identification. I CERTIFICATION I, , hereby certify that copies of the above document were posted by me in conspicuous places on or nearby the described property on 1Y.1.0114 CAA_ 1) ',(_-__eivo 4c._ 0, 1 C?CiCJ• Signed: /. / r 7)--?---7) ATTEST: Subcribed and sworn before me, a Nortary Public, in and for the State of Washington residing in ,Q,, s4 , on the ).r\ci day of i90 C q ci(1 MARILYN KAMCHEFF ', rrl ` t N0�'Ad� L IC • STJATEOAGO MARILVN KAMOHEFF ,� CO�MISSlOi�4 F,(PiRESTN MY APPOINTMENT EXPIRES:6-28-03 JUKE 2.9, 2003 t AFFIDAVIT OF PUBLICATION Charlotte Ann Kassens first duly sworn on oath states that he/she is the Legal Clerk of the SOUTH COUNTY JOURNAL NOTICE OF ENVIRONMENTAL DETERMINATION 600 S. Washington Avenue, Kent, Washington 98032 ENVIRONMENTAL REVIEW COMMITTEE RENTON.WASHINGTON a daily newspaper published seven (7) times a week. Said newspaper is a legal The Environmental Review Committee newspaper of general publication and is now and has been for more than six months (ERC) has issued a Determination of prior to the date of publication, referred to, printed and published in the English language lowing ot under- Mitigatedutfor the the lowing project the authority of the continually as a daily newspaper in Kent, King County, Washington. The South County Renton Municipal Code. Journal has been approved as a legal newspaper by order of the Superior Court of the BLACKRIVER RIVERTECH II F State of Washington for King County. Lnviron l ntal review for review for construction of an The notice in the exact form attached, was published in the South County office building. Location: Powell Ave. SW, Journal (and not in supplemental form) which was regularly distributed to the subscribers Appealse of Street. of either the environmental deter- during the below stated period. The annexed notice, a mination [RCW 43.21.0075(3), WAC 197- 11-680] and/or the land use decision must Black River Rivertech II be filed in writing on or before 5:00 PM December 20, 1999. If no appeals are filed by this date,both actions will become final. as published on: 12/6/99 Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, The full amount of the fee charged or said foregoing publication is the sum of$43.13, 1055 South Grady Way, Renton, WA Charged to Acct. No. 8051067. 98055. Appeals to the Examiner are gov erned by City of Renton Municipal Code Section 4-8-110. Additional information Legal Number 6947 regarding the appeal process may be • Office, fr 4 the Renton City Clerk's Office,(425)430-6510. Publication Date:December 6. 1999 Legal C e ;abut unty Urrlal Published in the South County Journal (� December 6, 1999.6947 Subscribed and sworn before me on this (P(kday of Q P . , 19` '7 ``o��patto:rrry�,�` N'Z ((CT-ft sN, No ;,��' Notary Public of the State of Washington ,Tp,;. residingin Renton r = King County, Washington N 6 OF t':A S t11� �`°�`• ���///IIIILI1111��i NOTICE OF ENVIRONMENTAL DETERMINATION ENVIRONMENTAL REVIEW COMMITTEE RENTON, WASHINGTON The Environmental Review Committee (ERC) has issued a Determination of Non-Significance - Mitigated for the following project under the authority of the Renton Municipal Code. BLACKRIVER RIVERTECH II LUA-99-125,SA-A,ECF Environmental review for construction of an office building. Location: Location: Powell Ave. SW, north of SW 7th Street. Appeals of either the environmental determination [RCW 43.21.0075(3), WAC 197-11-680] and/or the land use decision must be filed in writing on or before 5:00 PM December 20, 1999. If no appeals are filed by this date, both actions will become final. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4- 8-110. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425)430-6510. Publication Date: December 6, 1999 Account No. 51067 dnsmpub.dot City of Renton Department of Planning/Building/Public Works ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: £ tc_ QD �,p,�„�, MMENTS DUE: NOVEMBER 9, 1999 APPLICATION NO: LUA-99-125,SA-A,ECF ��` '"`DATE CIRCULATED: OCTOBER 26,1 999 APPLICANT: LPN Architects PROJECT MANAGER: Lesley Nishihirr PROJECT TITLE: Blackriver RiverTech II WORK ORDER NO: 78577 I OC >x. LOCATION: North end of Powell Ave.SW, South of Burlington Northern RR Ft o l 2 6 i. Q9 I. rs SITE AREA: 5 acres I BUILDING AREA(gross): 13,500 sL q n�oGlepnvt�LOP��fti� 1 ' H/{ r ODS SUMMARY OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and Administrative`Si NG Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO)zone. The si e •..k acres in size and contains a Category 2 on-site wetland of which the applicant is requesting buffer averaging. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 850 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. A. ENVIRONMENTAL IMPACT(e.g. Non-Code) COMMENTS Element of the Probable Probable More Element of the Probable Probable More Environment Minor Major Information Environment Minor Major Information Impacts Impacts Necessary Impacts Impacts Necessary Earth Housing Air Aesthetics Water Light/Glare Plants Recreation Land/Shoreline Use Utilities Animals Transportation Environmental Health Public Services Energy/ Historic./Cultural Natural Resources Preservation Airport Environment 10,000 Feet 14,000 Feet B. POLICY-RELATED COMMENTS IS 0 6 t 7 co nv p L.o (tune 7 7.4574- —J, .L.L f t r\! T H-C Cv were- 11t'N s t V t✓S 194397L "Ldry),4 a_ 1 S c-P No Pc:x.-1C C. CODE-RELATED COMMENTS We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas where additional information is needed to properly assess this proposal. Signature of Director or Authorized Representative Date routing Rev.10/93 City of Re,...,.. Department of Planning/Building/Public 14 ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: \' COI' MENTS DUE: NOVEMBER 9, 1999 APPLICATION NO: LUA-99-125,SA-A,ECF DATE CIRCULATED: OCTOBER 26,1 999 APPLICANT: LPN Architects PROJECT MANAGER: Lesley Nishihira PROJECT TITLE: Blackriver RiverTech II WORK ORDER NO: 78577 LOCATION: North end of Powell Ave. SW, South of Burlington Northern RR SITE AREA: 5 acres I BUILDING AREA(gross): 13,500 sq.ft. SUMMARY OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO)zone. The site is 5 acres in size and contains a Category 2 on-site wetland of which the applicant is requesting buffer averaging. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 850 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. A. ENVIRONMENTAL IMPACT(e.g. Non-Code) COMMENTS Element of the Probable Probable More Element of the Probable Probable More Environment Minor Major Information Environment Minor Major Information Impacts Impacts Necessary Impacts Impacts Necessary Earth Housing Air Aesthetics Water Light/Glare Plants Recreation Land/Shoreline Use Utilities • Animals Transportation • 1 Environmental Health _ Public Services _ Energy/ Historic/Cultural Natural Resources Preservation Airport Environment 10,000 Feet 14,000 Feet / . '7i /71 (k1 ---:., CIAu f O B. POLICY-RELATED COMMENTS p .. Lim lip C. CODE-RELATED COMMENTS aAf r 2/6 I .7frP)1° 1.6 1/ 241- ' We have rev. wed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas wher additional information is ne d to properly assess this proposal. _) 601 , d_--Signature of Director or Authorize Representa ive Date 7 routing Rev.10/93 City of Renton Department of Planning/Building/Public Works ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: -E-tre ,A 1C14 COMMENTS DUE: NOVEMBER 9, 1999 APPLICATION NO: LUA-99-125,SA-A,ECF DATE CIRCULATED: OCTOBER 26,194gNTON RE DEPT APPLICANT: LPN Architects PROJECT MANAGER: Lesley Nishihira PIRF PRFVP lt\I RLIREAU PROJECT TITLE: Blackriver RiverTech II WORK ORDER NO: 78577 OCT 2 6 1.99 LOCATION: North end of Powell Ave.SW, South of Burlington Northern RR SITE AREA: 5 acres BUILDING AREA(gross): 13,500 sq.ft. NL� I � 1U SUMMARY OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO)zone. The site is 5 acres in size and contains a Category 2 on-site wetland of which the applicant is requesting buffer averaging. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 850 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. A. ENVIRONMENTAL IMPACT(e.g. Non-Code) COMMENTS Element of the Probable Probable More Element of the Probable Probable More Environment Minor Major Information Environment Minor Major Information Impacts Impacts Necessary Impacts Impacts Necessary Earth Housing Air Aesthetics Water Light/Glare Plants Recreation Land/Shoreline Use Utilities Animals Transportation Environmental Health Public Services Energy/ Historic/Cultural Natural Resources Preservation Airport Environment 10,000 Feet 14,000 Feet /v0 l a 1 p r ,1-41paG fs /00 fie.of B. POLICY-RELATED COMMENTS , t� C. CODE-RELATED COMMENTS `j `�ti 7 ,t, e2,,��� We have revi:wed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas where •dditional inform. " is needed to properly assess this proposal. et/1441)A VI /0, 'j r nt / 7 Signatu Director or Auth z a. �t�p ese ative Date routing Rev.10/93 (/ YO CITY OF RENTON � � FIRE PREVENTION BUREAU MEMORANDUM DATE: October 27, 1999 TO: Lesley Nishihira, Planner /9 FROM: Jim Gray, Assistant Fire Marshal SUBJECT: Black River Tech II, Powell Av SW Fire Department Comments: 1. The preliminary fire flow is 1750 GPM, one hydrant is required within 150 feet of the structure and one additional hydrant is required within 300 feet of the structure. 2. A fire mitigation fee of $6,833.32 is required based on $.52 per square foot of the building square footage. 3. Separate plans and permit are required for the installation of fire alarm and sprinkler systems. 4. Fire Department access roadways are required to within 150 feet of all portions of the building exterior. Roadways are a minimum 20 in width with a turning radius of 45 foot outside and 25 foot inside. 5. Fire department dead-end access roadways over 150 feet in length are required to have an approved turnaround. See attached diagram. 6. Provide a list of the flammable, combustible liquids and any hazardous chemical to be used or stored on site. Please feel free to contact me if you have any questions. FIRE A `ARATUS ACCESS R.t ,DS RENTON FIRE PREVENTION BUREAU 235-2642 <::»»:.:::::::::::' W :::: ::»;;:::>:.:»:.>. 2 FEET ...... 90-FEET V TURNING211 m RADIUS o_ 25 FEET INSIDE 45-FEET OUTSIDE olgotliiiil K )I 20-FEET 55-FEET Lii w it}}#� I- 55- .. ..:..:: ..::.:...:::::.::.::::.:.::.;.:.:.::.. FEET U TURNIN G —' RADIUS co » > <€ '{ `> € <` :25-FEET IN S I DE 45-FEET OUTSIDE1 ' `n <' K >I 20-FEET CURB ...........................::.„,........................ ....:......:..:. W :: v on oL City of Renton Department of Planning/Building/Public Works ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET Reviewing Department: Surface/Wastewater Comments Due: November 9, 1999 Application No.: LUA-99-125,SA-A,ECF Date Circulated: October 26, 1999 Applicant: LPN Architects Project Manager: Lesley Nishihira Project Title: Blackriver RiverTech II Work Order No: 78577 Location:North end of Powell Ave. SW, South of Burlington Northern RR Site Area: 5 acres Building Area(gross): 13,500 sq. ft. A. Environmental Impact(e.g. Non-Code) Comments No comment. B. Policy-Related Comments No detention required per earlier agreement with City for underlying plat. Water quality treatment to be provided as shown. 'fh� -f h r,heal flow g,je4, l -7)1 of frrt poe d i!d��?, Df f 149 (-& s abuu Yh flood dal am (,LPG kOY) 4tt I C4'fl t TVU4 Ca f�G 13 C. Code-Related Comments Surface Water: Storm drainage plan and temporary erosion/sedimentation plans will be required to meet KCSWDM (1990) as adopted by the City of Renton. Surface water system development charges (SDC) fees of $0.129/sq. ft. of new impervious area installed on the site will be required. Waste Water: The proposed building will be required to connect to the City of Renton's sanitary sewer system via sidesewer to serve the site. Sidesewer permit will be required at $80/connection. Wastewater (SDC) fees of$0.078/sq ft. of gross site area will be required. 4-,?/(A-1•47 — 8- 77 Signature of Director or Authorized Representative Date blkrivtec City of Renton Department of Planning/Building/Public Works ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT:SU �c�(w�S � COMMENTS DUE: NOVEMBER 9,cj9 OF APPLICATION NO: LUA-99-125,SA-A,ECF DATE CIRCULATED: OCTOBER 26,1 999 Iipr±cR-nON APPLICANT: LPN Architects PROJECT MANAGER: Lesley Nishihira OCT 2 PROJECT TITLE: Blackriver RiverTech II WORK ORDER NO: 78577 1999 LOCATION: North end of Powell Ave. SW,South of Burlington Northern RR BUILb1I�h L>Ivj3ior SITE AREA: 5 acres BUILDING AREA(gross): 13,500 sq.ft. SUMMARY OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO)zone. The site is 5 acres in size and contains a Category 2 on-site wetland of which the applicant is requesting buffer averaging. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 850 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. A. ENVIRONMENTAL IMPACT(e.g. Non-Code) COMMENTS Element of the Probable Probable More Element of the Probable Probable More Environment Minor Major Information Environment Minor Major Information Impacts Impacts Necessary Impacts Impacts Necessary Earth Housing Air Aesthetics Water Light/Glare Plants Recreation Land/Shoreline Use Utilities Animals Transportation Environmental Health Public Services Energy/ Historic/Cultural Natural Resources Preservation Airport Environment 10,000 Feet 14,000 Feet B. POLICY-RELATED COMMENTS l\Jv doevil-0o /eQulvfd /°'P'� eavll- alit ce- Wu -f0) v�devlt�i��t� p)t , iL) Zi q/tu/ Trj 1ve4 t vtc.ea 712 he tovov/r,Cce./ on 5 lIO t clvl . C. CODE-RELATED COMMENTS We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas where additional information is needed to properly assess this proposal. Signature of Director or Authorized Representative Date routing Rev.10/93 a City of Renton Department of Planning/Building/Public Works ENVIRONMENTAL &DEVELOPMENT APPLICATION REVIEW SHEET Reviewing Department: Transportation Comments Due:November 9, 1999 Application No.: LUA-99-125,SA-A,ECF Date Circulated: October 26, 1999 Applicant: LPN Architects Project Manager: Lesley Nishihira Project Title: Blackriver RiverTech II Work Order No: 78577 Location:North end of Powell Ave. SW, South of Burlington Northern RR Site Area: 5 acres Building Area(gross): 13,500 sq. ft. A. Environmental Impact(e.g. Non-Code) Comments No comment. B. Policy-Related Comments No traffic mitigation fee required for this project based on earlier participation in the Oakesdale LID, etc. See Page 12 of Environmental checklist for further information. C. Code-Related Comments Street improvements are already in place in Powell Ave. SW which include curb, gutters, sidewalk street paving and street lights. - 8 Yr/ Signature of Director or Authorized Representative Date Blkrivtec2 City of Renton Department of Planning/Building/Public Works ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: ,, -t z filc .l1 COMMENTS DUE: NOVEMBER %� RENT( APPLICATION NO: LUA-99-125,SA-A,ECF DATE CIRCULATED: OCTOBER 26,1 999 APPLICANT: LPN Architects PROJECT MANAGER: Lesley Nishihira oCT 2 6 °' PROJECT TITLE: Blackriver RiverTech II WORK ORDER NO: 78577 LOCATION: North end of Powell Ave. SW, South of Burlington Northern RR SITE AREA: 5 acres I BUILDING AREA(gross): 13,500 sq.ft. SUMMARY OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO)zone. The site is 5 acres in size and contains a Category 2 on-site wetland of which the applicant is requesting buffer averaging. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 850 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. A. ENVIRONMENTAL IMPACT(e.g. Non-Code) COMMENTS Element of the Probable Probable More Element of the Probable Probable More Environment Minor Major Information Environment Minor Major Information Impacts Impacts Necessary Impacts Impacts Necessary Earth Housing Air Aesthetics Water LightGlare Plants Recreation Land/Shoreline Use Utilities Animals Transportation Environmental Health Public Services Energy/ Historic/Cultural Natural Resources Preservation Airport Environment 10,000 Feet 14,000 Feet B. POLICY-RELATED �COMMENTS / ✓� wtfilar � et l�pl lee_ Yekul✓ec/ �) 7l IpVc9JJ� Loon/ Olil es V�l�( pu✓rtluacctl0�f , t I11,<;2, Oakesdr4/e L 11) 0 e-76 , s e feceie, 2 e'tvl✓. I✓kekl 151- -J -u✓-tom I t y,() , C. CODE-RELATED COMMENTS We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas where additional information is needed to properly assess this proposal. Signature of Director or Authorized Representative Date routing Rev.10/93 City of Renton Department of Planning/Building/Public Works ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET Reviewing Department:Water Comments Due:November 9, 1999 Application No.: LUA-99-125,SA-A,ECF Date Circulated: October 26, 1999 Applicant: LPN Architects Project Manager: Lesley Nishihira Project Title: Blackriver RiverTech II Work Order No: 78577 Location:North end of Powell Ave. SW, South of Burlington Northern RR Site Area: 5 acres Building Area(gross): 13,500 sq. ft. A. Environmental Impact(e.g. Non-Code) Comments No comment. B. Policy-Related Comments No comment. C. Code-Related Comments All new water mains, fire hydrants, and fire control sprinkler systems will be required to meet current Fire Code/Regulations. Water (SDC) fees of $0.113/sq. ft. of gross site area will be required. Domestic and irrigation water meters will be required to serve the site. 4.".apeijr-. //-8 -s�7 Signature of Director or Authorized Representative Date Blkrivtec I City of Renton Department of Planning/Building/Public Works -ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: T'-;\ C k, COMMENTS DUE: NOVEMBER 9, 1999 APPLICATION NO: LUA-99-125,SA-A,ECF DATE CIRCULATED: OCTOBER 26,1 999 APPLICANT: LPN Architects PROJECT MANAGER: Lesley Nishihira PROJECT TITLE: Blackriver RiverTech II WORK ORDER NO: 78577 LOCATION: North end of Powell Ave. SW, South of Burlington Northern RR SITE AREA: 5 acres BUILDING AREA(gross): 13,500 sq.ft. SUMMARY OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office (CO)zone. The site is 5 acres in size and contains a Category 2 on-site wetland of which the applicant is requesting buffer averaging. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 850 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. L 's/ A. ENVIRONMENTAL IMPACT(e.g. Non-Code) COMMENTS Element of the Probable Probable More Element of the Probable Probable More Environment Minor Major Information Environment Minor Major Information Impacts Impacts Necessary Impacts Impacts Necessary Earth Housing Air Aesthetics Water Light/Glare Plants Recreation Land/Shoreline Use Utilities Animals Transportation / Environmental Health Public Services ✓ Energy/ Historic/Cultural Natural Resources Preservation Airport Environment 10,000 Feet 14,000 Feet Estimate 6.98 police calls for service annually, based on the square footage of the business. Most calls are estimated to occur during the construction phase. To help reduce the incidents of commercial burglary , theft and vandalism that will occur during construction , recommend that the applicant provide temporary security fencing around the site; all tools and equipment will need to be secured when not in use, security lighting will need to be in place during the hours of darkness , and any construction/office trailer will need auxiliary locking devices , dead-bolts on metal doors , and metal bars over any windows to help prevent illegal entry. Recommend that all tools have their serial numbers recorded to aid police in returning them to the victim in the XXXii.XXPegeMWMAYMOUNiKsthe items are stolen and later recovered. This building will be at the end of Powell Ave SW. This area in Renton reports crimes such as Commercial Burglary, Car Prowl and Auto Theft. In order to reduce the number of these crimes on the property, the building will need security lighting , metal doors with dead-bolt locks , and a monitored security alarm system. Since the site is by itself at the end of the road , recommend fencing around the building and parking lot, of a type that can be secured at the end of the work day. This will help to prevent unlawful trespassing and other crimes on the property after business hours. Recommend the business post the correct No Trespass signs on the property, both during and after construction. This will aid police in making arrests on the property for Trespass _ and hefore other_ more seriors crimes occur. C. CODE-RELATED COMMENTS We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas where additional information is needed to properly assess this proposal. Si nature of Direc r or uthorized epresentative Date routing Rev.10/93 Nisi-i.nri Trespass 1 J ..... .0.82AEsteitazeot. is USINES Enforcement WATCH Quite often, business owners and managers are faced with crimes that occur on the property after the businesses are closed and the employees have gone home. Some of the crimes that occur are burglary, vandalism, graffiti, trespassing, drug dealing and robbery in the parking lots. There is a way for police and business owners to discourage these types of crimes from taking place on private property, and that is by enforcing the City of Renton's Municipal Trespass Code 6-18-10. In order for police to be able to make an arrest for Trespass, business owners or managers need to purchase signs and display them in conspicuous areas on the property. These signs need to include the following language: 1. Indicate that the subject property is privately owned and; 2. Uninvited presence on the specified property is not permitted during the hours the business is closed, and; 3. Violators will be subject to criminal sanctions pursuant to Renton City Code 6-18-10. MOST IMPORTANTLY -THE SIGNS SHOULD BE CONSPICUOUS FROM ALL POSSIBLE POINTS OF ENTRY TO THE PROPERTY, AND ALSO BE PLACED ON THE EXTERIOR OF THE BUILDINGS. This way when a suspect is arrested, he/she will not be able to claim as a defense that he/she did not know he or she was trespassing. EXAMPLES FOR TRESPASS SIGNS: NO TRESPASSLNG NO TRESPASSING This is private property. Persons without specific No Trespassing after business hours business are not authorized to be on the premises between (insert specific times). Anyone on the the hours of(insert the hours your business is closed). premises after business hours is subject to Violators are subject to arrest and/or citation for criminal arrest and/or citation for Criminal Trespass pursuant to Renton City Code 46-18-10.. Trespass and/or impoundment of vehicle. Per Renton City Code -46-18-10. By enforcing the Trespass Ordinance, business owners and police will be sending a message to criminals that they are not allowed to conduct criminal activity on the property. In making arrests for Trespass, police may be preventing the more serious crimes from taking place. c�YY r,�� COURTESY OF RENTON POLICE DEPARTMENT CRIME PREVENTION UNIT 'r�'�' ! 235 - 2571 City of Renton Department of Planning/Building/Public Irvorks ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT:Cov\ i-vu.c-tmn S COMMENTS DUE: NOVEMBER 9, 1999 APPLICATION NO: LUA-99-125,SA-A,ECF DATE CIRCULATED: OCTOBER 26,1 999 CITY OF RENTON APPLICANT: LPN Architects PROJECT MANAGER: Lesley Nishihira PROJECT TITLE: Blackriver RiverTech II WORK ORDER NO: 78577 OCT 26 1999 LOCATION: North end of Powell Ave.SW, South of Burlington Northern RR d1.liLUiriu DIVtSIVN SITE AREA: 5 acres I BUILDING AREA(gross): 13,500 sq.fCtTyn N SUMMARY OF PROPOSAL: The applicant is requesting Environmental (SEPA) Review and Administrative"SitelPlan Approval for the construction of a 13,141 square foot office building in the Commercial Office (C,Q)zone. The site is 5 acres in size and contains a Category 2 on-site wetland of which the applicant is requesting buffd•aveAgiingrojfile proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structur I filtlVd the removal of 10 trees. Approximately 850 square feet of the wetland is approved to be filed6/the Army Corp of Engineers and the Department of Ecology. k`""'vu Lit VI 6tON A. ENVIRONMENTAL IMPACT(e.g. Non-Code) COMMENTS Element of the Probable Probable More Element of the Probable Probable More Environment Minor Major Information Environment Minor Major Information Impacts Impacts Necessary Impacts Impacts Necessary Earth Housing Air Aesthetics Water Light/Glare Plants Recreation Land/Shoreline Use Utilities Animals Transportation Environmental Health Public Services Energy/ Historic/Cultural Natural Resources Preservation Airport Environment 10,000 Feet 14,000 Feet B. POLICY-RELATED COMMENTS C. CODE-RELATED COMMENTS 0JvP1_1 cTs N So •00 7'S /-1 (719 a - A-Ppgp- s--FID FRI r_DR_ Til l L.D I N G PIT) . r�Iwx,v 12 OF / We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas where additional information is needed to properly assess this proposal. C 9K I ( o / 9 Signature of Director or Authorized Representative Date routing Rev.10/93 NRC NATURAL RESOURCE CONSULTING P.O. Box 7208 DEVELOPMENT PLANN1N0 Tacoma, WA, 98407 CITY OFRENmN (253) 756-0370 November 22, 1999 Nov 2 1999 RECEIVED Lesley Nishihira City of Renton Planning 1055 South Grady Way Renton, Washington 98055 RE: MODIFICATION FOR WETLAND MITIGATION FOR THE BLACKRIVER RIVERTECH II BUILDING IN RENTON,WASHINGTON The project proposes to impact 840 square feet of wetland in accordance with the Nationwide 18 Permit issued by the U.S. Army Corps of Engineers on May 12, 1999 . Mitigation is typically required for impacts to wetlands. We understand that a modification will need to be granted by the City of Renton in order to grant mitigation credits for the 840 square foot wetland impact to the applicant for the dedication of 17.5 acres of land and coordination with agencies for the creation of the P-1 Detention Basin and associated wetlands. Granting the modification will meet the five criteria stated in Section N-2 of the City Code. A. The modification will meet the objectives of environmental protection, safety, function and maintainability intended by the Code requirements, based on sound scientific judgement. The impact of 840 square feet of High Quality, Category 2 (scrub-shrub)Wetland has been approved by the U.S. Army Corps of Engineers and the Washington State Department of Ecology. It has been determined that this impact is small and that the applicants dedication and coordination with federal, state and local agencies to create the P-1 Detention Basin and its associated wetlands (as one example) more than off-sets the acreage, and functional impacts to the 840 square feet of wetland on the Rivertech Property. Approximately 17 acres of open water, shrub, and emergent wetland were created on the P-1 property. The islands and banks of the ponded system were planted and have been maintained for wildlife habitat. The P-1 Basin would be considered a High Quality, Catagory 1 Wetland because it is greater than ten acres in size, has three vegetation classes(forested, shrub-scrub, and emergent), has an open water class, and has a heron rookery associated with the wetland system. The P-1 system is well established and has and will be maintained as a storm water facility and wetland system permanently. The total acreage transferred to the City of Renton was approximately 100 acres for various open space, habitat, wetland and storm drainage uses. B. The modification will not be injurious to other properties in the vicinity. Impact to the 840 square feet of wetland will not be injurious to other properties in the vicinity. Impacts within the 100-year floodplain will be off-set as required by City of Renton Code. Wetland and storm water runoff impacts have already be off-set during construction of the P-1 Basin. 1 H-1009-02 C. The modification will result in no net loss of wetlands or buffer area and function and value from that approved in the original plan. Normally, a 2:1 mitigation ratio would be required to off-set impacts to wetland acreage and function and value. Therefore, impact to 840 square feet of wetland would require creation or restoration of 1,680 square feet of wetland. The current proposal is to allow dedication and coordination efforts during creation of the P-1 Basin which created 17 acres of wetland and open water habitat to off- set the 840 square feet impact. This more than meets the 2:1 ratio for wetland impacts; thereby, resulting in no net loss of wetland or wetland buffer area, and function and value. D. The modification will be made prior to detailed engineering and design, during site plan review. E. The modification will be documented and entered as part of the official permit file. This letter and the enclosed Soil Conservation Service Wildlife Habitat Planting Plan, and Floodwater Storage Pond Plan along with City of Renton Department Administrators approval shall provide this documentation. I am pleased to continue working with you on this project, if you have any questions please call me at (253) 756-0370. Sincerely, NATURAL RESOURCE CONSULTING Theresa R. Henson Natural Resource Ecologist cc: Dean Erikson Royce Berg 2 H-1009-02 Wia Washington State Northwest Region Department of Transportation 15700 Dayton Avenue North P.O. Box 330310 Sid Morrison Seattle,WA 98133-9710 Secretary of Transportation (206)440-4000 November 2, 1999 DEVELOKL_:.. rLANNIN. Lesley Nishihira CITY OF RENTON City of Renton t ) +31999 Development Services Division 1055 S Grady Way RECEIVED Renton, WA 98055-3232 RE: SR 900, vic. MP 9.40, CS 1712 Blackriver Rivertech II Building (LUA-99-125, SA-A, ECF) Dear Ms.Nishihira: Thank you for giving us the opportunity to review the Notice of Application for the Blackriver Rivertech II Building,which is located at the north end of Powell Ave SW, south of the Burlington Northern RR R-O-W. We have reviewed the subject document and have no comments. The project will not have significant impact on the state highway system. If you have any questions,please call John Collins at(206)440-4915. Sincerely, a9k. Foa_ Craig J. Stone, P.E. Area Administrator- South King CJS:jc JTC cc: file • • tv hx �i }i}}:::v::iY %.r ..:::.?. .... : :: w{�:�. :....:rn:::::::::.�.•:{::: :::...:.. ......:.... .. ,i....,.,:}:... K..:::rr.,..}.:. { •'3:.:•r.i;r�J.:v}..j•}:.:.'`� >s:: :<i>}s:<:i�>;DEVELOPMENTkSERVICESADl1/1SION ax _.•- • >v„•.�.>h,:,.{. 4 t } n. - t •f;••`' 'r•4 u t L O } s k s'•4 k:}:t�' .' ?:f..�,•r4:•�`•.•' of LIST OF SURROUNDING :PROPERTY OWNERS wi tWi 0 fee • t of the subject site;: n. n: „%, iJ}'r•�,,�«4; '. Imo L DE CI-�y of RENTON PROJECT NAME: BLACKRIVER RIVERTECH LLC C/O ALPER NORTHWEST 6 1999. APPLICATION NO: `-� � ' 99 . 125 . r - ° L7 ' +pUG 2 rrr+Cl\/ED The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. NAME ADDRESS ASSESSOR'S PARCEL . . . . . . . . . . _ . _ - - NUMBER 132304-9020-01 132304-9020-01 BURLINGTON NORTHRN SANTA FE715175 BURLINGTON NORTHRN SANTA FE715175 TAX DEPT TAX DEPT 1700 E GOLF RD 11400 ` ' 1700 E GOLF RD ;:400 SCHAUMBURG IL 60173 `1 SCHAUMBURG .IL 60173 132304-9086-02 : 132304-9086-02 BLACKRIVER—RIVERTECH L L C 779999 BLACKRIVER—RIVERTECH L 'L C 779999 700 FIFTH AVE STE 6000 700 FIFTH AVE STE 6000 SEATTLE WA 98104 i SEATTLE WA 98104 • _.. - _. _. .—__.__�_c..._._:...___..i--._r8.j.•_i_•.: _:..:•.._._.. .__—=_C�;:`_ ... -.__..�.._«___a _�.____�...�.�. ^2._�.....-__._.�._•_._a=.�..._..-.. 132304-9087-01 132304-9087-01 RIVERTECH ASSC LTV PARTNERS5613P4 `"! PIVERTECH ASSC LTD PARTNERS561384 PO 80X 41 ;`j PO BOX 41 EDMONDS AA 98020 .• EDMONDS WA 98020 i. 123tJ4-9088-40 _ _ �_ ....,. _-i.: .�._�`' '' 132304-90$8-4Q` -' _ _ ..._- __ CITY OF RENTON 543919 ' CITY OF RENTON 543919 ATTN: A/P ..! ATTN: A/P 200 MILL AVE S 200 HILL AVE S RENTON WA 98055 RENTON WA 98055 162.305-9036-07 = 182305-9036-07 WW L L C 889999 r•i W8W L L C 889999 2809 173RD CT NE :, 2809 173RD CT NE REDMOND WA 98052 -;� REDMOND WA 98052 182305-9250-06 J``' �' If32305-9250-06 • UNSF RAILROAD 820078 E:-� I;NSF RAILROAD 820078 PROPERTY TAX DEPARTMENT H PROPERTY TAX DEPARTMENT 1700 E GOLF RD 4TH FLOOR 1700 E GOLF RD 4TH FLOOR SCHAUMBURG IL. 60173 ;j SCHAUMBURG IL 60173 182305-9254-02 : 182305-9254-02 POLACK PROPERTIES 049999 POLACK PROPERTIES 049999 PO BOX 3065 1.;:1 PO BOX 3065 SEATTLE WA 98114 =' SEATTLE WA 98114 PAGE i .`!t {.{ . ,.: :CITY,0 RENTON } ..;Yra{•:{ ,fa/ P+9{arYr it n !`€.c .:' .}'. .�tiv..+'+;t+•{.:o• tY}.+i :;Y'"4f Y .:x .:^:R:'i+rntirk.:;:f•YS.""`•:',Gi:}�}•: - .,; x� .:�; •< ' DEVELOPMENT SERVICES`DiV1S10N?, �`� F (, n �a�, � r.'.. ;jE.. as � Y r } •y * �4 �� �/.a-Y �'{�,;:..:• #7'�'/ / :: � �AS�� � �g]� i� �r ,�d`+� ;:. ....; .. ��{ � .},S��}Y}� 4{ S x'Y )` 2 Y+f/�.•{r-:•+.•}'Y ���l LIST O F SURRO U N DI N G PRO PE RTyY O{WN ERS:: r} ...... .:::::.::.:. .. a .:; ...:.:....... ! .t,3 ::.{.. yr}t`t 3y .r;f.>^•::".•S.'•:YL % ;.�.'/.'.':: ;':. within300 feet:of:the;subject.site; _ ... ..... ... `: �k.:.; PROJECT NAME: BLACKRIVER RIVERTIECH LLC CIO ALPER NOERTHWEST ' APPLICATION NO: The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. • NAME ADDRESS ASSESSOR'S PARCEL NUMBER 182305-9270-02 . • 182305-9270-02 WSW L L C 869999 !:.i WBW L L C 859999 2809 173RD CT NE .; 2809 173RD CT NE REDMOND WA 98052 'A REDMOND WA 98052 :'1 811990-0010-00 • ' i 811990-0010-00 ONEIL PETER C K+LAVERNA 2N9999 .. 1 ONEIL PETER C K+LAVERNA 2N9999 833 SW SUNSET 8Lv0 ,A-1 : 833 SW SUNSET BLVD ;:A-1. RENTON WA 96055 PENTON HA 98055 811990-0020-08 -'1 911990-0020-08 HO THAI 819999 "s HO THAI 819999 833 Ski SUNSET BLVD ;;A-2 I= 833 SW SUNSET ALVD ;`A-2_- 4. RENTUN WA 98055 RENTON WA 98055 811990-0030-06 811990-0030-06 HOUSTON HITSU M 009999 HOUSTON MITSU M 009999 833 SW SUNSET BLVD ;.`A-3 633 SW SUNSET BLVD PA-3 RENTON WA 98055 RENTON WA 98055 811990-0040-04 811990-0040-04 BROOKS SHANNON N 609999 BROOKS SHANNON N 609999 833 SW SUNSET BLVD 833 SW SUNSET BLVD RENTON WA 98055 RENTON WA 98055 - 811990-0050-01 811990-0050-01 RACOOSIN ELIZABETH R 009999 RACOOSIN ELIZABETH R 009999 833 SW SUNSET BLVD ;.'A-5 833 SW SUNSET BLVD VA-5 RENTON WA 98055 RENTON WA 98055 811990-0060-09 811990-0060-09 GRANT WILLIE J+JUANITA 009999 GRANT WILLIE J+JUANITA 009999 833 SW SUNSET BLVD 'o;A-6 833 SW SUNSET BLVD ;:A-6 RENTON WA 99055 RENTON WA 98055 • PIXIE Z OF 11 :�,`f,}r•$,xt:}•.} .y:61'}`.�':•t;;:i�}•'.:}?:r..,:,�}..:3*,:.:f s .. :S' }. r t X.v ,`:r.,`q:': '.•'< Y::;x:.y Y�•. �. � ;;r.=: ::,.:�.-,.�:;ttt �x:CITYOF:RENTON } � > ts...:. ���:t:•.:�';;.:;c i• ..::4:,. ..' .;t`.tt.•r }A¢..`$;;s.;.t. ::. q{r. ;%vt{•} :.{}:.. ;.bti:;�f?::n.:.::v.:.::.::? . 3'.c�•.r , . '+F}..;.«.Y.t�'•.:...'� ..s�.. "4♦ x ;:,CY ..aK•'. :.4:}y:.;:t.::.:... .{., t:tr,.••:{}}:a:: :3::�;.,�. av}..1,.:.. ..}.. r.. :6Y•.: v. ...;w. ..:.Yiv.zt:?:isk::r2::`-'r,:::•`::::..liv:..v:..::.}:..':.2:}}. v,<;;:,�x�:>.�:...,::..{:Y:�.:;t} '•:}�.h�? :Y:>..:'.> % . � ENl'� E VICES'DIVISION`�>::<::.:,•:-�:.}<.:.. � ,'�.�• �;� . . W Y. . ..r ::DE.VELO..PW1 xS R s o :.a�. .•it}a•.., x-:ra ..} :c{..}:.}{•.a.:.... .ok•.: .:;•r::::•}:}:.::::}::.}:;:.:.�.:•>,.{.. ..,}R:t•.ty.+..}:;:%t;:{:::Y. •::yt•..q::•: .:{;.? Y':v: x: .:x 'Y4 ..5:':i:'N.v�:.7:h{•:.,rtq,.•.:,w,.y•ti�..... .v;i x• •�::i` ..:Y.i .}...: . :i .�.�fv!., gyp.� .rf.:� ... E•:.W .. .....«..:.......J. tom:.....�n�+..;:.:•'�v.../.. :YYv..:S. ..f.+ : .. •.v�:.::::.....:.::.:...,.,..x�� ..4.•f.:.,.:.:.n:::.J.;.;.}r.. .,t......;..5:.,..;:t.,:.:.::.::.,i.:...: �....,.::• .:. j�`i{rid rii:ii4:4:i;:. .;t:•�:.....v ::.�..:: .. :.�}i:Yii.:,.....r:. {•.v,Y}:. UST OFF„.SURROU.N.D.INPRO:PERT " O NE}RS� : 300;feet of:;tFie subject site' .. PROJECT NAME: BLACKRIVER RIVERTECH LLC C/O ALPER NORTHWEST • APPLICATION NO: The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. NAME ADDRESS ASSESSOR'S PARCEL NUMBER 811990-0070-07 811990-0070-07 KURZ BRENDA L 609999 KURZ BRENDA I 6C9999 833 SUNSET BLVD 1,8 7 833 SUNSET BLVD ZB 7 RENTON WA 98055 RENTON WA 98055 811990-0080-05 811990-0080-05 GOODWIN VIRGIL L 009999 GOODWIN VIRGIL L 009999 833 SW SUNSET BLVD VB-8? 833 SW SUNSET BLVD VB-8 RENTON WA 98055 RENTON WA 98055 811990-0090-03 811990-0090-03 KYCEK ALAN J 459999 KYCEK ALAN J 459999 14311 NE 124TH AVE. V113 14311 NE 124TH AVE u113 KIRKLAND WA 98034 KIRKLAND WA 98034 811990-0100-01 811990-0100-01 COOK MICHAEL A 919999 COOK MICHAEL A 919999 833 SW SUNSET BLVD „B10 833 SW SUNSET BLVD V810 RENTON WA 98055 RENTON WA 98055 • 811990-0110-09 811990-0110-09 RICKEY JEANNE S 609999 RICKEY JEANNE S 609999 833 SW SUNSET BLVD tB11 833 SW SUNSET BLVD tB11 RENTON WA 98055 RENTON WA 98055 811990-0120-07 811990-0120-07 TAVERN'A FERNANDO L 939999 TtVERNA FERNANDO L 939999 833 SW SUNSET BLVD OC12 833 SW SUNSET BLVD ;;C12 RENTON WA 98055 RENTON WA 98055 811990-0130-05 811990-0130-05 PATTON CHARLENE A 009999 PATTON CHARLENE A 009999 833 SW SUNSET BLVD ;C-13 833 SW SUNSET BLVD VC-13 RENTON WA 98055 RENTON WA 98055 PAGTE3OFit CITY OF RENTON DEVELOPMENT SERVICES DIVISION • LIST OF SURROUNDING 'PROPERTY OWNERS j PROJECT NAME: BLACKRIVER RIVERTECH LLC C/O ALPER NORTHWEST • APPLICATION NO: The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. NAME ADDRESS ASSESSOR'S PARCEL NUMBER 811990-0140-03 811990-0140-03 SI:LVEO ALMA S OF.39999 SILVEC ALMA S 009999 833 SW SUNSET BLVD V14—C 833 SW SUNSET BLVD ff 14—C RENTON WA 98055 RENTON WA • 98055 811990-0150-00 811990-0150-00 REESE MELISSA A 870519 REESE MEL ISSA A 870519 833 SW SUNSET BLVD VC-15 P33 SW SUNSET BLVD VC-15 RENTON WA 98055 RENTON WA 98055 811990-0160-08 811990-0160-08 SLADE JEFFREY 0 729999 SLADE JEFFREY D 729999 833 SW SUNSET BLVD OC 16 833 SW SUNSET BLVD VC 16 RENTON WA 98055 RENTON WA 98055 811990-0160-08 811990-0160-08 SLADE JEFFREY D 729999 SLADE JEFFREY D 729999 833 SW SUNSET BLVD #C 16 833 SW SUNSET BLVD #c 16 RENTON WA 98055 RENTON WA 98055 811990-0170-06 811990-0170-06 BURCHETT GEORFFREY + SHEILA Y929999 BURCHETT GEORFFREY + SHEILA Y929999 833 SW SUNSET BLVD 833 SW SUNSET BLVD RENTON WA 98055 RENTON WA 98055 811990-0200-00 911990-0200-00 FUNCK MARK C 769999 FUNCK MARK C 769999 833 SW SUNSET BLVD VO-20 833 SW SUNSET BLVD V0-20 RENTON •1A 98055 RENTON WA 98055 811990-0210-08 811990-0210-08 REUTER PATRICIA L 639999 REUTER PATRICIA L 689999 833 SW SUNSET BLVD V021 433 SW SUNSET BLVD VD21 RENTON WA 98055 RENTON WA .98055 PAht Li OF II ` :ft:CITYXF RENTON? , ; . DEVELOPMENT.SERVICES DIVISION • { rLiSTyOF SURROUNDING PROPERTY OWNERS w'it m 00feet of,ttie'sub'ectcite.: PROJECT NAME: BLACKRIVER RIVERTECH LLC C/O ALPER NORTHWEST • APPLICATION NO: The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. NAME ADDRESS ASSESSOR'S PARCEL NUMBER 311990-0220-06 811990-0220-06 CHICHESTER JAMES R+CAROLE A009999 CHICHESTER JAMES R+CAROLE A009999 833 SW SUNSET BLVD, 0E-22 833 SW SUNSET BLVD, xE-22 RENTON WA 98055 RENTON WA 98055 811990-0230-04 811990-0230-04 FOWLER THO1AS+AMY 1a 009999 FOWLER THOMAS+AMY M 009999 833 SW SUNSET BLVD 4E 23 933 SW SUNSET BLVD ;!E 2.3 RENTON WA 98056 RENTON WA 98056 811990-0240-02 811990-0240-02 CARPENTER VICTORIA LYNN 709999 CARPENTER VICTORIA LYNN 709999 833 SW SUNSET BLVD 0E24 833 SW SUNSET BLVD 4E24 RWNTOTI WA 98055 RENTON WA 98055 811990-0250-09 811990-0250-09 KFlALIFE MARILYN 009999 KHALIFE MARILYN 009999 833 SW SUNSET BLVD .11E-25 833 SW SUNSET BLVD 0E-25 RENTON WA 9E055 RENTON WA 98055 811990-0260-07 811990-0260-07 LEATHERHAN HISAKO LN9999 LEATHERMAN HISAKO 4N9999 833 SW SUNSET BLVD E-26 833 SW SUNSET BLVD E-26 RENTON WA 9E055 RENTON WA 98055 811990-0270-05 1 811990-0270-05 TONG DONALD 4N0880 TONG DONALD 4N088C 833 SW SUNSET BLVD 027 833 SW SUNSET BLVD V 27 RENTON WA 98055 RENTON WA 98055 811990-02.80-03 811990-0280-03 CA.RNAHAN P 859999 CARNAHAN P 859999 1700 BELLEVUE AVE 0505 1700 BELLEVUE AVE ;.`-505 SEATTLE WA 98122 SEATTLE WA 98122 • PAGE 5 OF 11. . CITY OF RENTON DEVELOPMENT SERVICES DIVISION LIST OF SURROUNDING PROPERTY OWNERS ,... :z: ::...:: ..... within:300;feet of the subjectsite:: .. ..:. . .....:..;:. .::;,+ PROJECT NAME: BLACKRIVER RIVERTECH LLC C/0 ALPER NORTHWEST • APPLICATION NO: The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. NAME ADDRESS ASSESSOR'S PARCEL NUMBER 811990-0290-01 811990-0290-01 URH MARIAN 870593 URH MARIAN 870593 833 SW SUNSET BLVD -VF-29 833 SW SUNSET BLVD ;IF-29 RENTON WA 98055 PENTON WA 98055 811990-0300-09 811990-0300-09 HrIMBIGNER LYNDA L 839999 HEIMI IGNER LYNDA L 839999 833 SW SUNSET BLVD f;F-30 833 SW SUNSET BLVD 'VE-30 PENTON WA 98055 RENTON WA 98055 811990-0310-07 811990-0310-07 ROBERTS LOIS JEAN 819999 ROBERTS LOIS JEAN 819999 833 SW SUNSET BLVD 11F31 833 SW SUNSET BLVD ;,F31 RENTON WA 98055 PENTON WA 98055 811990-0320-05 811990-0320-05 PIMERLEAU JOSEPH A+USCHI S 6D9999 POMFRLEAU JOSEPH A+USCHI S 6139999 833 SW SUNSET BLVD V F32 833 SW SUNSET BLVD VF32 RENTON WA 98055 RENTON WA 98055 811990-0330-03 811990-0330-03 BRECKENR1DGE SCOTT 472872 BRECKENRIDGE SCOTT 472872 833 SW SUNSET BLVD 833 SW SUNSET BLVD RENTON WA 98055 PENTON WA 98055 811990-0340-01 811990-0340-01 BISCONER LEONARD+ROSWITHA 88N9999 BISCONER LEONARD+ROSWITHA 88N9999 833 SW SUNSET BLVD „G34 833 SW SUNSET BLVD ;1G34 RENTON WA 98055 RENTON WA 98055 811990-0350-08 '; 811990-0350-08 BOWSER MICHAEL L 719999 H BOWSER HICHAEL L 719999 833 'SW SUNSET BLVD VG35 6.I 833 SW SUNSET BLVD 11G35 t RENTON WA 98055 -I RENTON WA 98055 ,1 PAC-,E 6op11 • ::Y.:is n•:{�:s i'i:YY'�'i;::?es:"4;'t'.'sx: s-•: )r ?{k C IV - S?'t x;� `::3 ,r{. 5 .9 �,{. {`/� t{- }r.. �:�,.,r .TYOF,RENT•O {t : ,.?,� a. r. s;y.i.:.Y - .: . ::,,.;�:.'�:..::. DEVELOPMENT$ERVICES.DIVISION ' v 'z y<[{srx <�}t xf> '.{ yryr.:4.... .;;�v}ss' i•:?•},:k'::r' i•. ti:{.f; ic*'L,.a'a,''2:>:. Rt•Lr a'. .,y tr.?..,:;'F'..o:}.: °5.#%.; ':• < >....r"r; •S t p..;>.}:;{r:. ,4. .J . - :..:.. //,:: ... r{•{{{..�•..:..<C.:{iz{i it r?ti:}i: / = LIS1 OF. SURROUNDING? PROPERTY OWNERS ...}::,Gssy.{,...:.'. :�y'::>,...::::.:::.:•:•...; .::..{.ark}::::: sub ect.a►te.:.. :.. PROJECT NAME: BLACKRIVER RIVERTECH LLC C/0 ALPER NORTHWEST APPLICATION NO: The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. NAME ADDRESS ASSESSOR'S PARCEL NUMBER 811990-0360-06 011990-0360-06 KHIN SIMON MAUNG—SHWE 879999 KHIN SIMON MAUNG—SHWE 879999 833 SW SUNSET BLVD VG36 833 SW SUNSET BLVD VG36 RENTON WA 98055 RENTON WA 98055 811990-0370-0% 811990-0370-04 BEED DEBRA 939999 BEED DEBRA 939999 833 SW SUNSET BLVD 4G37 833 SW SUNSET BLVD 11.G37 RENTON WA 98055 PENTON WA 98055 811990-0380-02 811990-0380-02 HANSEN BARBARA J+ 009999 HANSEN BARBARA J+ 009999 SC_HREIBER,JOSEPH M SCHREISER,JOSEPH M 833 SW SUNSET BLVD mH-38 833 SW SUNSET BLVD VH-38 RENTON WA 98055 PENTON WA 98055 811990-0390-00 811990-0390-00 BARNES GEORGE L+LILY 272008 BARNES GEORGE L+LILY 272008 833 SW SUNSET BLVD, hH-39 833 SW SUNSET BLVD, OH-39 RENTON WA 98055 PENTON WA 98055 811990-0400-08 611990-0400-08 WOODSIDE LEE I 009999 WOODSIDE LEE I 009999 833 SW SUNSET BLVD, OH-40 833 SW SUNSET BLVD, VH-40 RENTON WA 98055 PENTON WA 98055 811990-0410-06 811990-0410-06 LOWE WANDA L 819999 LOWE WANDA L 819999 233 SW SUNSET BLVD 1,�f1 H 233 SW SUNSET BLVD V4I H RENTON WA 98055 RENTON WA 98055 • 811990-0420-04 811990-0420-04 STENSON RICHARD E+JOY E 009999 STENSON RICHARD E+JOY E 009999 833 Sri SUNSET BLVD VI-42 833 SW SUNSET BLVD ';I-42 RENTON WA 98055 RENTON WA 98055 FACIE 7o .11 • •.x.. :•I•.r.:4•; r. p..ac....}k: ..'kT,:x`,.:�:.. �.<.r.,}. :.:'s:^. R:i;+ :.}6:.iir}•:. .;k;.•. .^:..•v:Y:;�.. ..::..... .•Y... :.. :$., �.::` t...,r}:.•:•;..r.•:}:...t..... n2 3:i•�r,.... ?#.'}`:�•. .��:1.,,.u:�:a?. • ..,,.. :,... :..#�• � .}..�:.:•.,{.....Jr . :�:x>�CITY<:OF,:RENTON <>r�vr `.":,;>:: ...,�;r.$:�... :>f;{.:,:�..<}.r�:A{:r.:.. $.v.,�•.• :..Z•<••t.$(y...}:F:.: ..�.' ;.,%....:v.{.,R,}:`:::$4',•''{•2'v..• .;.}n...wn#;t.+}::}'::N^ .t ^.v^.$. {j,'... ...{:v.n..:";titi�' .. •.:,'.#•'}:•Y.:.?}.:.*::.':* :.v:v:•,5,.v:•:,.".x v}:::K:.;,. :r yy::... Nr ..v . } x°•. ...'.>ii'". ... .•:..!:r.,S`F F"{,.'.Sc :.. �. •?>:;i:.?k}tic. k :. $ �. �•/ {., .K ...S..: ��N^,.'. •::.•.. ,:v.:.:..::..::.:......:r..:.:'�' ....YA^.:'St�:�y.{•S:{•.:;2'.:{'f,.}itl:.:i%•r.iyG�: t\'4:S iv..........K... Vn.v.rrr :.7�.v.:.r....{:.... � S... F y�:•.. { . . �••'� .:. :t :.:. ,:<::<� : : :n .. ' IONS .: ,;<::.;;:.:: ::>' :.:::<"'».: :,h ... .;;..:.v:.tip`' .:{ ; ':� $Y •y,001 ;,<:DE,VELOPMENT.SERVICY7k.:K.VIS }. WIST)OF SURROUNDINGPROPFRTY OWNERS .:•:4:;:•.}::t:}:S.}:.J:•<'v}:}:r4\ n'.{:?$>:>::: i} :n}4:Xjy.:;T¢{ t ..• wiiFri'300,feet`ofahe.subject site: PROJECT NAME: BLACKRIVER RIVERTECH LLC C/0 ALPER NORTHWEST APPLICATION NO: The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. NAME ADDRESS ASSESSOR'S PARCEL NUMBER 811990-0430-02 811990-0430-02 POON CHEUK RING 872663 -. POON CHEUK KING 872663 833 SW SUNSET BLVD 1:I-43 i j 833 SW SUNSET BLVD VI-43 RENTON WA 98055 H RENTON WA 98055 811990-0440-00 811990-0440-00 WU HAI(.UANG 969999 ' ; WU HAIGUANG 969999 833 SW SUNSET BLVD 1,I-44 833 SW SUNSET BLVD ;.I-44 RENTON WA 98055 RENTON WA 98055 811990-0450-07 811990-0450-07 HOLM JEFF A 472306 . ' HOLM JEFF A 472306 15221 SE FAIRWOOD BLVD 15221 SE FAIRWOOD BLVD RENTON WA . 98058 RENTON WA 98058 811990-0460-05 811990-0460-05 COLE. DINO A 899999 COLE DINO A 899999 833 SW SUNSET BLVD t46 : i 833 SW SUNSET BLVD ;,46 RENTON WA 98055 ! RENTON WA 98055 811990-0470-03 811990-0470-03 CHERNYETSKY YURY ET AL 759999 CHERNYETSKY YURY ET AL 759999 33 Sal SUNSET BLVD J 47 833 SW SUNSET BLVD J 47 RENTON WA 98055 PENTON WA 98055 811990-0480-01 811990-0480-01 KUBLI JAMES H 849999 KUBLI JAMES H 849999 33 SW SUNSET BLVD VJ 48 833 SW SUNSET BLVD ;;J 48 RENTON HA 98055 RENTON WA 98055 611990-0490-09 811990-0490-09 SAKO_JULIE L 369999 SAKO_JULIE L 369999 833 SW SUNSET BLVD VJ49 833 SW SUNSET BLVD VJ49 RENTON WA 98055 RENTON W4 98055 PA&&E 8 OF f CITY OF RENTON DEVELOPMENT SERVICES DIVISION ittgLISToi:()F SURROUNDING PROPERTY ERSON • : w►th►r►:300;feet.of:,the,subject site.... .. .: PROJECT NAME: BLACKRIVER RIVERTECH LLC C/O ALPER NORTHWEST ' APPLICATION NO: The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. NAME ADDRESS ASSESSOR'S PARCEL NUMBER 811990-0500-07 811990-0500-07 PATTEN RONALD C 199999 PATTEN IR'ONALD C 199999 833 SW SUNSET BLVD f;J-50 233 SW SUNSET BLVD VJ-50 RENTON VA 98055 RENTON WA 98055 811990-0510-05 811990-0510-05 LEW RAYMOND WING 009999 LEW RAYMOND WING 009999 833 SUNSET BLVD 3J-51 833 SUNSET BLVD 3J-51 RENTON WA 98055 RENTON WA 98055 611990-0520-03 811990-0520-03 D`1LPH DANIEL DEAN+SANDRA MA009999 DGLPH DANIEL DEAN+SANDRA MA009999 833 SW SUNSET BLVD VK-52 833 SW SUNSET BLVD VK-52 RENTON WA 98055 RENTON WA 98055 311990-0530-01 811990-0530-01 Rt1EMI SH JACQUEL I NE R 709999 PGEM I SH JACOUEL INE R 709999 833 SW SUNSET BLVD f`K53 833 SW SUNSET BLVD VK53 RENTON WA 98055 RENTON WA 98055 41 1990-0540-09 811990-0540-09 KLINE 'AVID R+LANATTA-KLINE859999 KLINE DAVID R+ZANATTA-KLINE859999 3806 13TH AVE W 3806 I3TH AVE H SEATTLE WA 98119 SEATTLE WA 98119 11990-0550-06 211990-0550-06 PHUNG LISA N 749999 PHUNG LISA N 749999 833 SW SUNSET BLVD L55P33 SW SUNSET BLVD VL55 RENTON WA 98055 RENTON WA 98055 11990-0560-04 811990-0560-04 REINGOLD EVELYN JOYCE 009999 REINGOLD EVELYN JOYCE 009999 833 SW SUNSET BLVD VL-56 833 SW SUNSET BLVD VL-56 RENTON .44A 98055 RENTON WA 98055 PAEIE61OF11 n!'ti ;.. .::Sin'i:':v Y}}:v;;:i:; ...i:.,Yi%:r:i�ti:'•.$`.•:i::}'. .::::Y:-iii i$C.Y.::{?' .... h { W fY: •':• :{.hf.:..4:.::?.,,::,...:r. :....,.. CITY$:OFvRENTON ��'��>. a%y•...::, } 4 v::iiY.yq:. a- a.} ,:r „ ay#<xr; fi` ; $DEVELOPMENT SERVICES•DIVISION '`' :ac'$$$<` •_V;.. •�2`✓•s��t,',A'd'Y,.Ly'%97.'S��F`r Y- :rirs2}'rr} <"� $ +fr sz 6 • z '• NDING PROPERTY OWNERS LIST} OF SURRDU ;a, � : ;withn 300 feet:'of.,the subject site:.... . PROJECT NAME: BLACKRIVER RIVERTECH LLC C/O ALPER NORTHWEST • APPLICATION NO: The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the proposed development. NAME ADDRESS ASSESSOR'S PARCEL NUMBER 811990-0570-02 811990-0570-02 GO EMMANUEL S+MARISSA F 009999 GO EMMANUEL S+MARISSA F 009999 833 SUNSET BLVD ;L-57 833 SUNSET BLVD ;L-57 RENTON WA 98055 RENTON WA 98055 811990-0580-00 0 811990-0580-00 WHITE HOZELLA R ' ' ' . , -- bt1-999.9 j•. ....,.,11HITE' MOZELLA R 609999 833 SW SUNSET BLVD .: "' .. ` j 833 SW SUNSET,:.BLVD , .. RENTON WA - 98055 0 RENTON WA 98055 811990-0590-08 - ; 811990-0590-08 - HENDERSON MEAGAN L E CARL E870297 HENDERSON MEAGAN L C CARL E870?97 HENDERSON JO ANN - HENDERSON JO ANN 833 SW SUNSET BLVD V59 833 SW SUNSET BLVD V59 RENTON WA 98055 RENTON WA 98055 011990-0600-06 811990-0600-06 MILLER JOHN A JR+GLORIA J 009999 MILLER JOHN A JR+GLOR.IA J 009999 833 SW SUNSET BLVD tM-60 833 SW SUNSET BLVD VM-60 RENTON WA 98055 RENTON WA 98055 918800-0010-03 918800-0010-03 CURTIS II L.L. 0 779999 CURTIS II L.L.0 779999 6414 2.04TH ST SW „200 6414 204TH ST SW V200 LYNNWOOD WA 98036 LYNNWOOD WA 98036 918800-0030-09 918800-0030-09 PIETROMONACO I L L C 553277 PIETROMONACO I L L C 553277 PO BOX 700 PO BOX 700 MERCER ISLAND WA 98040 MERCER ISLAND WA 98040 918800-0050-04 '' 918800-0050-04 EARLINGTON PARTNERSHIP 872600 ;',,-,:: EARLINGTON PARTNERSHIP 972600 1100 SW 7TH ST " ) 1100 SW 7TH ST RENTON WA 38065 RENTON WA 98065 FACIE JOOPi? • (Continued) NAME ADDRESS ASSESSOR'S PARCEL NUMBER _ 918.300-01440-05 918300-0140-06 BLACKNER JV LLC PHASE III 872965 8LACKNER JV LLC PHASE III 872965 C/U SMITH MARTIN INC C/O SMITH MMARTIN INC 1109 1ST AVE 1,`50O 1109 1ST AVE ;500 SEATTLE WA 98101 SEATTLE WA 98101 811900-0005-06 811900-0005-06 AVALON BAY COMMUNITIES INC 989800 AVALON BAY COMMUNITIES INC 989800 SAND STEVENSCREEK BLVD #275 4340 STEVENS CREEK BLVD #275 SAN JOSEEVCAS CA 95129 SAN JOSE CA 95129 Applicant Certification I, M CIHAEL V RAPINE FOR LPN , hereby certify that the above list(s) of adjacent property (Print Name) owners and their addresses were obtained from: ❑ City of Renton Technical Services Records El Title Company Records • King County Assessors Records Signed A4' hwr 12 I>ci%4 Lf Date TJ "27 - (Applicant) NOTARY ATTESTED: S scribed/and sworn before me, a Not ry Public An and for the State of Was�ii ton, residing a ( Q ( (Q.f on the ANC day of OIL (I,Q,� , 19 i" 0 r v Signe v m C p Ql() ' • (Notary Public) •4+ For:City:of<Renton':Use 'MA LING:::::::::«< ;<i; :0..: > :'>::i ;:: `:°'<i i ii:I ..2•gl< :>`: ........ ... .. :>.. :.:. .::.. . .. . : :...; ::< ..:;:.. :;. . •<;. :..: <::. er ereb ;certr.: :ahat notices ofthe,.proposed.applrcatroil were malledso ;<' t m each:aisted..propertyovv�:er.vn.••••• .:.,.. '•., ... .... .... .... .. ..... ...:.::............ .. .. ::::..:..::::.:.:...::.:.:.......... .....date.. ... ..............,..:�::><:• ...;.. .;NOT :State o Washi ton rite :and:sworn`3� f.p.re me :a Notary Pdbiic th a0d for the::.:...:: :::::.::f;..,.;, „.,tft.; :.:::.Ini. residing a . .:....:....: :: .... ><...:.:.... ,Fyn, • . .::.;::.;..:.. .. :o. :: ::.;:.•i:.:::::.. :::i:::./a, .• :... :.::::: is t:?:a:? :::;Y::% :•:...:.�::. le'71 :f, IW •:::: ;.;:: .....: :.:.....:::: . .. <:,:...•..,:. listprop.doc U O 1 NOTARY PUBLIC , Rev o MARILYN KAMCHEFF ' STATE OF WASHINGTON ' IIA MMISSION EXPIRES MY APPOINTMENT EXPIRES:6-29-03 CODUNS EXPIRES 4 R.E A REAL R O.P E R.:T Y. I:N Q. U 1 R::Y: : x':7 R A'G t ::... R t5 REPORT . : 08/2tf99':;`.:::SAGE:: ::`:::;: : ` :>s:> JOB ATRO a ... ........:. BATCH NUMBER PARCEL NUMBER : CUSTOMER,NUMBER ERROR MESSAGE.. IU 811900-0010-09 PARCEL ON KILL STATUS IU 811900-0020--01 PARGEL'ON KTLL .STATUS' 0-0030-05 •• FARC8I.::ON K,iLLSTATUts:. `:''>: '':> :> >>;;:;:.i:;;'>`:>::>:.::;: : '..':>':»>:> :<>`:: ::. : zu s�190 IU 811900-0040-03 PARCEL ON KILL STATUS - PARi:`:aN KT CL ..51'A`tEfS : 8 1900 00 GE z u si1 90o-aob -08 AARCEL .ON K L -STAT US ........ IU 811900-0070-06 PARCEL ON KILL STATUS »;:.;PAi2GEL::::.aN KILL .STA L1S:. . 811900-00$0-04 .. ;.. ::::<; 811900-0090-02 ;::>:::>::> .:pAiiCEl :gN KILl. STATUS:: . ;,:.. :_.;.- _. .................. IU 811900-0100-00 PARCEL ON KILL STATUS 811900-01t0-08 :::>:>;::T#.J::: :::<:>::>: _ t�ARCEI:;t�N;.KTEL STATUS 811900-0120--06• PARCEL ON .KILL STATUS IU 811900-0130-04 PARCEL ON KILL STATUS 8 1 1900-01 50-09, P��CE�:;:vN'�zL;t>sTa�rL��;:>: :: <>:>>;;<;: >::::. .:. ..:::::: .:: . IU 811900-0160-07 PARCEL ON KILL STATUS 0 119 0-0170�05 1�AR EL tlN'KTLTA7us7 7., :-]-71Ffivig7Tum!gwraz7iga.govmgmrg 811 90O- 180�03 P ARC8 KILL STATUS' _. ..... ........ ...... 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JC XIAOLAN LI 35 0 0 0 0 0 0 0 TOTALS 116 0 • 0 0 Pa `1 Document Name: Assessor c KING COUNTY DEPARTMENT OF ASSESSMENTS PAI11070-S1 AS36 REAL PROPERTY HISTORY 08/23/99 ACCOUNT NUMBER: 811900-0005-00 PROPERTY ADDRESS: 603 SW 5TH CT TAXPAYER NAME: AVALON BAY COMMUNITIES INC QTR: SW SECT: 18 TWN: 23 RNG: 5 FOLIO: C21671-A- SUBAREA: 530-000 SHORT LEGAL DESCRIPTION: LOT UNIT ALL BLOCK PLAT: SUNPOINTE (0005) 0 * * * * * * * * * * * * * * VALUE HISTORY * * * * * * * * * * * * * * * * I* * * * SALES HISTORY * * * * * YEAR LAND IMPS TOTAL L/C DATE CHANGE# REASON DATE EXCISE# SALES PRICE REMARKS 00 643,200 2, 320, 000 2, 963,200 T 2110 08/05/99 A003008 SEGREGATION A9 643,200 2,320, 000 2, 963,200 T 2110 08/05/99 A003008 SEGREGATION 1 I , l co ooge * * END OF VALUE HISTORY * * * * END OF SA S .HISTORY * * ( 0.2) NEXT ACCOUNT: 811900 0005 0 441/— JUMP CODE: ENTER-PFI--PF2--PF3--PF4--PF5--PF6--PF7--PF8--PF9--PF10-PF11-PF12-PF13-PF14-PF15-PF16-PF1 -PF 9 20-PF21-PF22-PF23----PF24-- HELP END MENU CHAR RCVB HIST LEGL ASSD APPR PF-HELP MENU+ IJ�Jc�"�Q ►� (/� CIF S Fk\ . • 00 lookip bfiL 7.n ��: CCa��e•;FFSTCI:PC;:�� :4 i L1/616)A g Date: 8/23/99 Time: 01:20:06 PM - - Page: 1 Document Name: Assessor RPCI 81190$046 DOC:A-003008 08/05/99 SEGREGATION/ME ST:CURNT ACTIVE AVALON BAY COMMUNITIES INC 989800 SUNPOINTE CONDOMINIUM 4340 STEVENS CREEK BLVD #275 08/23/99 PCT OF UND INT 100. 00 SAN JOSE CA 95129 NE617 L ArbE.L.. LOT:UNIT ALL BLOCK: LAST LEGAL IS 2 RY OY ST SC NC LEVY OM-LV LAND IMPS BILLED PAID P A 00 T 2110 643,200 2, 320, 000 .00 .00 99 T 2110 643,200 2, 320,000 39, 702.08 19,851.20 H TOTAL DUE: 19, 850.88 DATE NUMBER AMOUNT INT/PENALTY YEAR DISTRIBUTION receipt data 05/07/99 632504 291.42 .00 99 05/07/99 632505 291.42 .00 99 05/07/99 632506 291.42 .00 99 05/07/99 632507 291.42 .00 99 05/07/99 632508 291.42 .00 99 05/07/99 632509 328. 93 .00 99 RPCI 811900000506 JUMP CODE: AS36 ADDITIONAL DATA P/N Date: 8 23 99 Time: 01:20:12 PM l%age: 1 Document Name: Assessor KING COUNTY DEPARTMENT OF ASSESSMENTS PAI11070-S1 AS36 REAL PROPERTY HISTORY 08/23/99 ACCOUNT NUMBER: 918800-0040-0 PROPERTY ADDRESS: 600 POWELL AV SW TAXPAYER NAME: PIETROMONACO I L L C QTR: SE SECT: 13 TWN: 23 RNG: 4 FOLIO: C20859-A- SUBAREA: 420-000 SHORT LEGAL DESCRIPTION: LOT 4 BLOCK PLAT: WASHINGTON TECHNICAL CENTER DELETED DUE TO CHANGE NO I002362 * * * * * * * * * * * * * * VALUE HISTORY * * * * * * * * * * * * * * * * I * * * * SALES HISTORY * * * * * YEAR LAND IMPS TOTAL L/C DATE CHANGE# REASON DATE EXCISE# SALES PRICE REMARKS 98 T 2110 05/27/97 I002362 KILL BY MERGE 12/15/94 1409656 800, 000 SEE AFF MULT "37 T 2110 05/27/97 I002362 KILL BY MERGE 05/30/90 1137915 SEE AFF MULT )7 557, 700 557, 700 T 2110 08/30/96 REVALUE 10/12/88 1037851 SEE AFF MULT 96 557, 700 557, 700 T 2110 03/13/95 014049 CORRECTION BOARD 10/06/86 0929091 SEE AFF MULT 95 557, 700 557, 700 T 2110 03/13/95 014049 CORRECTION BOARD 95 1, 301,300 1, 301,300 T 2110 06/24/94 REVALUE 94 681,400 681,400 T 2110 05/25/95 R955245 STATE BOARD ORDER 93 1, 115,400 1, 115,400 T 2110 04/04/92 REVALUE 91 1, 115,400 1, 115,400 T 2110 07/13/90 REVALUE 89 464,700 464, 700 T 2110 03/18/88 REVALUE 88 206,500 206,500 T 2110 06/11/87 G003044 CONDEMNATION 87 206,500 206, 500 T 2110 06/11/87 G003044 CONDEMNATION 87 207,100 207, 100 T 2110 06/27/86 REVALUE 85 186,600 186,600 T 2110 06/16/84 REVALUE * * * CONTINUED * * * * * END OF SALES HISTORY * * ( 1.1) NEXT ACCOUNT: 918800 0040 0 JUMP CODE: ENTER-PFI--PF2--PF3--PF4--PF5--PF6--PF7--PF8--PF9--PF10-PF11-PF12-PF13-PF14-PF15-PF16-PF17-PF18-PF19-PF20-PF21-PF22-PF23----PF24-- HELP END MENU CHAR RCVB HIST LEGL ASSD APPR PF-HELP MENU+ 9 iC I ,c,.OF qS.. sw. ,N Y�G� �"'f clan.. ` / il I/ Ar•k•' OFFICIAL CO1)\fri:3 a ;,Q,� r, Date: 8/23/99 Time: 01:24:46 PM - - Pa5B: 1 Document Name: Assessor c KING COUNTY DEPARTMENT OF ASSESSMENTS PAI11070-S1 AS36 REAL PROPERTY HISTORY 08/23/99 ACCOUNT NUMBER: 918800-0030-0 PROPERTY ADDRESS: 620 POWELL AV SW TAXPAYER NAME: PIETROMONACO I L L C QTR: SE SECT: 13 TWN: 23 RNG: 4 FOLIO: C20859-A- SUBAREA: 420-000 SHORT LEGAL DESCRIPTION: LOT 3 & 4 BLOCK PLAT: WASHINGTON TECHNICAL CENTER 0 * * * * * * * * * * * * * * VALUE HISTORY * * * * * * * * * * * * * * * * I * * * * SALES HISTORY * * * * * YEAR LAND IMPS TOTAL L/C DATE CHANGE# REASON DATE EXCISE# SALES PRICE REMARKS 00 850, 100 3, 096, 700 3, 946, 800 T 2110 08/17/99 REVALUE 12/15/94 1409656 800, 000 SEE AFF MULT 99 850, 100 3, 245, 000 4, 095,100 T 2110 10/06/98 REVALUE 05/30/90 1137915 SEE AFF MULT a9 850, 100 3,245, 000 4, 095, 100 T 2110 04/18/98 R470000 EXTENSION 10/12/88 1037851 SEE AFF MULT J8 850, 100 3,245, 000 4, 095,100 T 2110 09/12/97 REVALUE 98 850, 100 3,245, 000 4, 095,100 T 2110 05/27/97 I002362 MERGER 97 850, 100 3,245, 000 4, 095,100 T 2110 05/27/97 I002362 MERGER 97 292,400 3,245, 000 3, 537,400 T 2110 10/16/96 MAINTENANCE 97 292,400 292,400 T 2110 08/30/96 REVALUE 96 292,400 292,400 T 2110 03/13/95 014048 CORRECTION BOARD 95 292,400 292,400 T 2110 03/13/95 014048 CORRECTION BOARD 95 682,400 682,400 T 2110 06/24/94 REVALUE 94 357,300 357,300 T 2110 05/25/95 R955244 STATE BOARD ORDER 93 584, 800 584, 800 T 2110 04/04/92 REVALUE 91 584, 800 584,800 T 2110 07/13/90 REVALUE * * * CONTINUED * * * * * END OF SALES HISTORY * * ( 0.5) NEXT ACCOUNT: 918800 0030 0 JUMP CODE: ENTER-PFI--PF2--PF3--PF4--PF5--PF6--PF7--PF8--PF9--PF10-PF11-PF12-PF13-PF14-PF15-PF16-PF17-PF18-PF19-PF20-PF21-PF22-PF23----PF24-- HELP END MENU CHAR RCVB HIST LEGL ASSD APPR PF-HELP MENU+ Date: 8/23/99 Time: 01:25:39 PM U0`V.Y Further evaluation of the proposal may reveal impacts requiring mitigation beyond existing code provisions. 4• • Comments on the above application must be submitted in writing to Ms.Lesley Nishihira,Project Manager,Development fServices Division,1055 South Grady Way,Renton,WA 98055,by 5.00 PM on November 9,1999. If you have questions about this proposal.or wish to be made a party of record and receive additional notification by mail,contact the Project N Manager.Anyone who submits written comments will automatically become a party of record and will be notified of any decision on this project. NOTICE OF APPLICATION CONTACT PERSON: LESLEY NISHIHIRA(425)430-7270 AND PROPOSED DETERMINATION OF NON- I I PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION SIGNIFICANCE—MITIGATED (DNS-M) DATE: October 28,1999 LAND USE NUMBER: LUA-99-125,SA-A,ECF APPLICATION NAME: Blackriver Rivertech II Building PROJECT DESCRIPTION: The applicant is requesting Environmental(SEPA)Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office(CO)zone. The site is 5 acres in size and contains a Category 2 on-site wetland of which the applicant is requesting buffer averaging.The proposal also includes the cut of 200 cubic yards of topsoil,the placement of 950 cubic yards of structural fill,and the - _1, 7 ,6 •'w. I M' I •q! �j 1 J Viz.•. /j/J '.q..1, �j.-'W, removal of 10 trees.Approximately 850 square feet of the wetland is approved to be filed by the Army Corp of Engineers fr�,> �, rya :AFC "^-• and the Department of Ecology. .Cj.q,} ?'•• '�" •i 4 �q :` t":icp. PROJECT LOCATION: North end of Powell Avenue SW,south of Burlington Northam Railroad R-O-W • .r..,et. ( - OPTIONAL DETERMINATION OF NON-SIGNIFICANCE-MITIGATED(DNS-M):As the Lead Agency,the City of Renton i `.`o, =� .'7 (/// 'f >,,,-. has determined that significant environmental impacts are unlikely to result from the proposed project.Therefore,as O . -! .I� r~i 'f'!/Qit i^ permitted under the RCW 43.21C.110 the City of Renton s using the Optional DNS(M)process to give notice that a DNS- ®(/k� yM. - f M is likely to be issued.Comment periods for the project and the proposed DNS-M are integrated into a single comment , N! l l, period.There will be no comment period following the issuance of the Threshold Determination of Non-Significance a •• , ) 'env -`� j _ `' ,,� Mitigated(DNS-M).A 14 day appeal period will follow the issuance of the DNS-M. \ ��• 1_7., 1 env at ealeae ��q,m . e.• I • r p . PERMIT APPLICATION DATE: August 26,1999 \\l� "� 4v .iiw'" ”"" 0- • Are{�,,, • NOTICE OF COMPLETE APPLICATION: October 26,1999 T"f '✓ �i• .,. APPLICANT: LPN Architects&Planners •'�//////N ,ant ,� it..:- ' �-�, ter . CCC"' ry�} OWNER: Blackriver-RiverteU,LLC , - n ' /• . a 1,I.*YA'I 1. \� whale m r)� •L-I.. __.I Permits/Review Requested: Environmental(SEPA)Review;Administrative Site Plan Approval laew LUI 1p.^!���'n. Other Permits which may be required: Building Permits;Construction Permits _ t 1 irrebi. ® I,�Requested Studies: Wetland Report;Drainage Report;Geotechnical Report R'`� Location where application may -'� -.-' -i - v--` \\' i2fog II reviewed: Planning/Building/Public Works Division,Development Services Department, \ �• r rerl'a girlie .�' .'lJ r !�sur® -�4.,..- be 1055 South Grady Way,Renton,WA 98055 t •,F r - --I - I i 'J9I 1 - �wvan•c „ - Ill ' i "'-'" .16 ..' PUBLIC HEARING: None required -� (•3.,' .�_•� I ,.s CONSISTENCY OVERVIEW: J. '-,'" .�- -1,...a !'!- Land Use: The subject site is designated Employment Area-Valley(EAV)on the Citys 4 i `1 •,gois .ai►� ,,,,Rf: Comprehensive Plan Land Use Map and Commercial Office(CO)an the city. .:\ t•. .,-�'1�1 to Zoning Map.The proposal for an office building is consistent with both of these ra -.,. �f: } s ' �„ w, ,;,p b m� designations. s .`1 �`CCCJJI - ite > y* Environmental Documents that jf 5 's /� �f it'""' 1 �u9 ' ; � �` J Evaluate the Proposed Project: None known �- e•r•� •�/ ad(firir �� iidl^• egtoo op0-aIser L I Development Regulations .,M,"'-' �G� �' - _ ;�-�;'i�acue.r•roe r-_^_ Used For Project Mitigation: The project will be subject to the City!.SEPA Ordinance.Zoning Code,Wetland Regulations,Public Works Standards,Uniform Building Code,Uniform Fire Code and other applicable codes and regulations as appropriate. Proposed Mitigation Measures: t. Fire Mitigation Fee-based on$0.52 per square foot of new building construction. 2. Traffic Mitigation Fee-based on 575 per net new average daily trip associated with the protect. aenmabl genmalot CERTIFICATION I, i-k a =�. , hereby certify that copies of the above document were posted by me in E conspicuous places on or nearby the described property on 2Gt I�S Signed: ATTEST: Subcribed and sworn before me, a Nortary Public, • or the State of Washington residing in �t J 6-7-1 , on the ' * day of i U ��5 MA� 1LYl� r4CHEFF NOTARY PUBLIC 1)-ty.... A_ _i7f? STATE OF WASHINGTON COMMISSION EXPIRES JUNE 29, 2003 MARILYN KAMCHEFF MY APPOINTMENT EXPIRES:6-29-03 • es + + 'eP,NT9 NOTICE OF APPLICATION AND PROPOSED DETERMINATION OF NON- SIGNIFICANCE — MITIGATED (DNS-M) DATE: October 26,1999 LAND USE NUMBER: LUA-99-125,SA-A,ECF APPLICATION NAME: Blackriver Rivertech II Building PROJECT DESCRIPTION: The applicant is requesting Environmental (SEPA) Review and Administrative Site Plan Approval for the construction of a 13,141 square foot office building in the Commercial Office(CO)zone. The site is 5 acres in size and contains a Category 2 on-site wetland of which the applicant is requesting buffer averaging. The proposal also includes the cut of 200 cubic yards of topsoil, the placement of 950 cubic yards of structural fill, and the removal of 10 trees. Approximately 850 square feet of the wetland is approved to be filed by the Army Corp of Engineers and the Department of Ecology. PROJECT LOCATION: North end of Powell Avenue SW,south of Burlington Northern Railroad R-O-W OPTIONAL DETERMINATION OF NON-SIGNIFICANCE-MITIGATED(DNS-M): As the Lead Agency,the City of Renton has determined that significant environmental impacts are unlikely to result from the proposed project. Therefore,as permitted under the RCW 43.21C.110,the City of Renton is using the Optional DNS(M)process to give notice that a DNS- M is likely to be issued. Comment periods for the project and the proposed DNS-M are integrated into a single comment period. There will be no comment period following the issuance of the Threshold Determination of Non-Significance Mitigated(DNS-M). A 14 day appeal period will follow the issuance of the DNS-M. / PERMIT APPLICATION DATE: August 26, 1999 NOTICE OF COMPLETE APPLICATION: October 26,1999 APPLICANT: LPN Architects&Planners OWNER: Blackriver—Rivertech,LLC Permits/Review Requested: Environmental(SEPA)Review;Administrative Site Plan Approval Other Permits which may be required: Building Permits;Construction Permits Requested Studies: Wetland Report;Drainage Report;Geotechnical Report Location where application may be reviewed: Planning/Building/Public Works Division,Development Services Department, 1055 South Grady Way,Renton,WA 98055 PUBLIC HEARING: None required CONSISTENCY OVERVIEW: Land Use: The subject site is designated Employment Area—Valley(EAV)on the City's Comprehensive Plan Land Use Map and Commercial Office(CO)on the City's Zoning Map. The proposal for an office building is consistent with both of these designations. Environmental Documents that Evaluate the Proposed Project: None known Development Regulations Used For Project Mitigation: The project will be subject to the City's SEPA Ordinance,Zoning Code,Wetland Regulations,Public Works Standards,Uniform Building Code,Uniform Fire Code and other applicable codes and regulations as appropriate. Proposed Mitigation Measures: 1. Fire Mitigation Fee—based on$0.52 per square foot of new building construction. 2. Traffic Mitigation Fee—based on$75 per net new average daily trip associated with the project. genmalot Further evaluation of the proposal may reveal addition. acts requiring mitigation beyond existing code provi: •Comments on the above application must be submitted in writing to Ms. Lesley Nishihira, Project Manager, Development Services Division, 1055 South Grady Way,Renton,WA 98055,by 5:00 PM on November 9,1999. If you have questions about this proposal, or wish to be made a party of record and receive additional notification by mail, contact the Project Manager.Anyone who submits written comments will automatically become a party of record and will be notified of any decision on this project. CONTACT PERSON: LESLEY NISHIHIRA(425)430-7270 PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION ' -.t•fm �f4 I Y* w / k. ' iN •. w +e �j Y' _ H -: „• r - cm 1.r • I,• E T.A T I . '•_~S ' • J • Iff, QQQ 0��`r/O a k tl . I I s" t• \ .yl I CRY OF RENTON. C1,19 .P,♦' [ .fir ''�y�°�_ n M� -- oPitt4PACE �°a DQ eH?�, etl 1 i o 1't CQY F R ,ON'_J"4' ! . Ndn e.•.•o•1� }., t4'i m ���TII i t� I-OP S E II _ 7 ‘. \ ' 4 ry r R - OFFICE ,do �� rr 7, ' PA'DETEMpNPOND 1 ,`'' l :I: / SITES •� `• � r(' 1.-7. �,1�.,, +4.144144�aax4ia•. :..• �...,,) f pFFICE mos,RAL \_ r •7i4.. ' 9 A s (t s T°o'N��,T JxiN c •Lid[ �� `�'f � . .• CITY OR RENTON I / Ir �' r I. ,. .1 i '�\ OPEN•SPACE Ur[1ER •- ' .,I, I l'—41." 'SII[AI.. .s..1.014./ 4.I. ♦ 1. 1 LJ r --'-- - Th. A:, .. r- -_, ".- - ' - i":, r .. ............2 .. !• cas'R'cno" tit ' i ., F � \` 1 A...i _ , EAR 0�1�', 1 1L'f JF� _ - 4I • 1 I AETR�O'f•...+.w r�a.. `,` T [ C H N I I ( t I INDUSTRIAL l at i"w a. Q OFFICE w/ r ', •.-...,1„... I -.. _ =---'j g PARK NO.I :..,..; \'\\\.,,,. G ...1 . + C [ x 'r[ Ri� �t.....J-). S.Y / iw/ •r.:� �� '. -. / - a• ^' _/ w ,a • ' ..\a� 0. \\\\% ..1'.A2,141 •• '1 HOTEL • ao as �r +`� ..?+ iiiiiiiiiiii .,, \� �,,, , •• 37, _ o i'lf I t d On ri3 C lido .I:.• +•q I��y� p4�..BLACKRIVER -RIVERTECI ��- aEF 'y ��%�'A��� 4 �. `NEIGHBORHOOD DETAIL 1 ve ./..19 e� esrar �1 ▪ • A.. ••�` pp • I1I' •:=SCALE:1"•200' r'L�. penmalot � CITX OF RENTON LL • Planning/Building/Public Works Department Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator October 26, 1999 Mr. Royce Berg LPN Architects & Planners 1535 Fourth Avenue South, Suite D Seattle, WA 98134 SUBJECT: Blackriver RiverTech II Project No. LUA-99-125,SA-A,ECF Dear Mr. Berg: The Development Planning Section of the City of Renton has determined that the subject application is complete according to submittal requirements and, therefore, is accepted for review. It is tentatively scheduled for consideration by the Environmental Review Committee on November 16, 1999. Prior to that review, you will be notified if any additional information is required to continue processing your application. Please contact me, at(425)430-7270, if you have any questions. Sincerely, Lesley Nishihira Project Manager cc: Blackriver-RiverTech LLC/Owners accrotanre 1055 South Grady Way-Renton, Washington 98055 This oaoer contains 50%recycled material,20%post consumer Architecture and Planning,Inc .` Royce A.Berg,Y.Ken K.Chin,Principals 1535 Fourth Ave.S.,Suite D Seattle,WA 98134 (206)583-8030 Fax(206)583-0708 October 8, 1999 Lesley Nishihira City of Renton 1055 South Grady Way Renton, WA 98055 DEVELOPMENT PLANNING CITY OF RENTON Re: #LUA-99-125, SA-A, ECF OC l < 1999 Blackriver Rivertech - Powell Ave. �CEIv�� LPN Job No. 99008 Dear Lesley, Per our phone conversation, attached are agreements with City of Renton and Alper Northwest, First City Washington for mitigation transfers of wetlands, habitat, and sensitive areas in Blackriver Corporate Park by sale of land for open space. Areas are tagged and highlighted for your reference. Also attached per your request, is Earth Consultants' preliminary soils recommendations specific to this building location, per past reports. R . •ectfully, dill Royce A. Berg, President cc: Dean Erickson, Alper Northwest Bob Levinson, Earth Consultants I Architecture and Planning,Inc t4 s, Royce A.Berg,Y.Ken K.Chin,Principals 1535 Fourth Ave.S.,Suite D Seattle,WA 98134 (206)583-8030 Fax(206)583-0708 September 15, 1999 "�' ' Lesley Nishihira Su`' 11, 1999 City of Renton 1055 South Grady Way RECEIVED Renton, WA 98055 Re: #LUA-99-125, SA-A, ECF Project No. 99008 Blackriver Rivertech Building II Dear Lesley, Per your letter dated August 31, 1999, the following information is enclosed as part of site approval package. 1. Attached is a single copy of two additional soils reports on this site by soils engineer, Earth Consultants, dated 12/22/88 and 7/23/88. Since LPN has historically been involved with this site with First City, Schuman Company and Alper Northwest, we are confident the soils have not been changed in this period of time. We understand a full updated soil report will be required, specific to this building, as part of the building department permit submittal and request, for this site plan approval stage, the specific report update be deferred to permit submittals. Five copies of Earth Consultant's 9/16/99 memo reflecting above information is also attached. 2. Attached are 5 copies of Natural Resource Consulting's Wetland Buffer Averaging Justification dated 9/10/99. 3. Wetland Mitigation Plan should not be required on this project due to mitigation credits previously established by this client thru extensive land sales in Blackriver Corporate Park, to the City of Renton, 82 acres of land for open space, habitat, wetlands, roads, detention basins and new natural areas. Please confer with City Attorney Larry Warren to confirm agreements on land sales. 4. We have also attached 5 copies of updated Title Commitment from Transnation Title to supplement original 5 copies. -spec ully, ' illi V Air Royce A. Berg, President cc: Theresa Henson, NRC Dean Erickson, Alper Northwest NRC NATURAL RESOURCE CONSULTING P.O. Box 7208 Tacoma, WA, 98407 (253) 756-0370 September 10, 1999 Lesley Nishihira City of Renton Planning 1055 South Grady Way Renton, Washington 98055 RE: WETLAND BUFFER AVERAGING JUSTIFICATION AND WETLAND MITIGATION FOR THE BLACKRIVER RIVERTECH H BUILDING IN RENTON,WASHINGTON 1.0 BUFFER AVERAGING JUSTIFICATION The Rivertech property is a triangular-shaped parcel containing approximately five acres of land and 60,348 square feet (1.38 acres) of wetland. The wetland contains a palustrine scrub-shrub, emergent, seasonally flooded wetland communities that would be classified as High Quality, Category 2 Wetland using the City of Renton Wetland Management Ordinance. Renton requires a 50-foot native vegetation buffer around High Quality, Category 2 Wetland. Buffer averaging is proposed on the site, as allowed by section 4-32-110.J.7 of the City of Renton Wetland Management Ordinance. The site is zoned C.O. (Commercial office). It is proposed to develop approximately one-acre of the five acre site with a one story office/flex building totaling approximately 13,500 square feet. The one-acre of development includes 0.24 acre of existing access road, and the remaining 0.76 acres as impervious surface including the building, roads, including the fire lane, and 53 parking spaces. Approximately 80% of the site is proposed to remain undeveloped as landscape areas (0.33 acre), natural areas(0.1 acre), wetland (1.38 acres), and buffer(1.84 acres) (see attached wetland buffer calculations map). 1.1 Is Buffer Averaging Necessary to Avoid Denial of Reasonable Use? The following conditions at the site have limited potential development to only one acre (20% of the site). 1. The triangular shape of the site. 2. The location and layout of wetland covering 1.38 acres of the northern two-thirds of the site. Note that an upland area located north of the wetland is not accessible due to the location of the wetland. 1 H-1009-02 3. The requirement of a 50 foot native vegetation buffer adjacent to the wetland. 4. The location of the existing access road and drainage swale located in the southwest corner of the site. 5. The existing maintenance access road easement along the south property boundary. 6. The grouping of large trees in the southeast portion of the site. Due to the above limitations, without the use of buffer averaging reasonable use of the site would be impossible. 1.2 Wetland Variations in Sensitivity The wetland contains variations in sensitivity due to existing physical conditions surrounding the wetland. An existing access road is located adjacent to the southwest portion of the wetland. The Burlington Northern Railroad tracks adjacent to the northern boundary of the wetland. Parking and an access road exist adjacent to the western boundary of the wetland. Along the northeastern portion of the wetland is an old dirt road that is now covered in grass. A ditch runs along this portion of the wetland. The north central portion of the wetland has been the least impacted and will contain a large portion of the averaged buffer. The areas where the buffers are being reduced for the building or are already less than 50 feet (adjacent to the access road in the southwest corner and along the western boundary of the wetland) have been or already are being disturbed. 1.3 Land Use Intensity Although the building is located in a portion of the reduced buffer, the uses of the building in this area are not high intensity. Access to the building and parking will not be located in this area. A dense native vegetation screen will be planted between the building and the minimum 25-foot buffer to remain. Uses in the reduced buffer areas will be guaranteed by legally binding mechanisms. 1.4 Buffer Averaging and Wetland Functions Buffer averaging will not impact the existing wetland function and values. The wetlands basic functions are biologic and hydrologic as described in the wetland delineation report for the site. The biologic function of the wetland was determined to be moderate due to it containing shrub, and emergent plant communities with downed logs, snags and the railroad bank with vegetative cover. Vegetation adjacent to the wetland(within the buffer reduction areas) that will be removed during development includes blackberries, reed canarygrass, and four trees. Major tree groupings on the site will remain and trees within the wetland will not be removed. Vegetation to be replaced between the building and the reduced buffer include a dense layer of native trees, shrubs and groundcover. Buffer averaging as proposed on the site will not impact the biologic function of the wetland. 2 H-1009-02 • The hydrologic function of the wetland was determined to be moderate. The system retains surface water runoff from the hill side north of the site and receives runoff from non-point sources such as roads, and the railroad grade. Water discharges from the wetland to the northwest via a drainage ditch that flows into the P-1 Channel. Buffer averaging as proposed on the site will not impact the hydrologic function of the wetland. A minimum 25-foot buffer will be retained and other portions of the buffer along less disturbed portions of the wetland will be increased. 1.5 Buffer Averaging Calculations The required standard buffer for the on-site wetland is 50 feet. The buffer is not proposed to be reduced by more than fifty percent in any area; therefore, will not be less than 25 feet wide. The total area contained in the averaged wetland buffer is 80,138 square feet. The total area required for the standard buffer prior to averaging is 76,742 square feet. Therefore, the total area contained within the wetland buffer after averaging is 3,396 square feet larger than that contained within the required standard buffer prior to averaging. 2.0 WETLAND MITIGATION The project proposes to impact 840 square feet of wetland in accordance with the Nationwide 18 Permit issued by the U.S. Army Corps of Engineers on May 12, 1999 . Mitigation is typically required for impacts to wetlands. We understand that the City of Renton has agreed to grant mitigation credits to the applicant for the dedication and sale of approximately 82 acres of land near the site. The mitigation credits were to apply to impacts to wetlands, wildlife, wildlife habitat, open space, and other sensitive areas occasioned by the development of all or portions of Tracts A, B, C, and Rivertech (or other developments within a three mile radius). It is proposed that mitigation credits be applied to the proposed impact to the 840 square feet of wetland on the Blackriver Rivertech II Building. Details of the mitigation credits should be worked out between the applicant and the City of Renton. I am pleased to continue working with you on this project, if you have any questions please call me at (253) 756-0370. Sincerely, NATURAL RESOURCE CONSULTING Theresa R. Henson Natural Resource Ecologist 3 H-1009-02 TABULATION AREA OF REQUIRED 50' WETLAND BUFFER 76,742 S.F. AREA OF REQUIRED 50% OF BUFFER 38,371 S.F. 50' WETLAND BUFFER AREA PROVIDED OF 25' TO 50' BUFFER 59,959 S.F. AREA OF EXISTING ADDITIONAL AREA PROVIDED FOR WETLAND BUFFER 33,041 S.F. p ROADS IN BUFFER 93,000 S.F. 3,712 S.F. AREA OF NEW AREA REQUIRED FOR 2% NATURAL HABITAT (4,356) S.F. CONST. IN BUFFER AREA OF EXISTING ROADS (IN BUFFER AREA) (8,506) S.F. `;`•' :•:•:::• 1,138 S.F. • AREA PROVIDED FOR FINAL AREA OF WETLAND BUFFER 80138 S.F. WETLAND BUFFER EXCLUSIVE OF FORMAL LANDSCAPE . i ,.+rrti,,.;.��� 3,812 S.F. I I\ ?•``'' : '•%' •'`; AREA OF REQUIRED .:....:.: `'''�� 50' WETLAND BUFFER a :: - .•WED:ANp• . AREA OF REQUIRED >::... • WETLAND BUFFER 50' J � 7 .F.11 6 5 S . . . . iJ U PIPELIN E E EASEMENT 11'. :TT° E /4/ .. Nam ... ::.. Ilk ---- ry:•: ,ttek:*.SSO:.•:•:.+ :+•:•r .•'•.:45.4 ++'Xxox: oce r••y a a :i• 1 }�•:,;.i�,r.yc �. ,.�v,.o+{.'•.�❖'• • ;�✓:•ti ,.�v` i. y f..yvr.•.•,.+v �:% a?s:v_r,�}.ryexr.�s'_• Lvr_.�.d�S�•'.✓�nG.rse���r.+�e�+�x' .GrS:v�.�YrXiS%+tis r++.{v, \ AREA OF NEW AREA PROVIDED FOR CONST. IN BUFFER WETLAND BUFFER AREA OF NEW 6,074 S.F. 29,229 S.F. CONST. IN BUFFER Y 1,065 S.F. WETLAND BUFFER CALCULATIONS BLACKRIVER — RIVERTECH L.L.C. $ an.D.pG ALPER NORTHWEST, INC., DEVELOPER e <::: BLACKRIVER CORPORATE PARK - RENTON, WASHINGTON /� •1::.: •-:- RENTON, WASHINGTON -_:5..�3�'.---ssff """`T� �,s =.c- '�____..- -_---3-.�- ,__;_.p.�.cfi -ems. I.��nsC�•:ii.� 4ia> _.s '�;.`i'a'.:t..,� :ice'": .=.:ric::iti a <� CITY JF RENTON ..LL , Planning/Building/Public Works Department • T Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator August 31, 1999 Royce Berg LPN Architects & Planners 1535 4th Avenue South, Suite D Seattle,WA 98134 Subject: Blackriver Rivertech II Building Project No. LUA-99-125, SA-A, ECF Dear Mr. Berg: Thank you for your recent land use application for the above referenced project. In order for the City to accept the application as complete and initiate the review of the proposal, the following information will be required: 1. Five (5) Copies of an Addendum to the Geotechnical Report. The Geotechnical Report submitted with the application prepared by Earth Consultants, Inc. is dated May 10, 1983. In order for the report to be valid for the review of this proposal, we will need an addendum prepared by Earth Consultants which states the report is still applicable to the site and the proposal. 2. Five (5) Copies of a Wetland Buffer Averaging Justification. The proposal indicates that wetland buffer averaging for a reduced width of 25 feet is proposed. The application will need to include justification for the attached criteria (section 4-3-110.J.7). If the proposal is unable to satisfy each of these criteria, then a request for a reduction of buffer width would be necessary. This would also require justification for specified criteria (section 4- 3-110.J.6)and would require approval from the Department Administrator. 3. Five (5) Copies of a Wetland Mitigation Plan. Due to the proposed filling of 840 square feet of the on-site wetland, the proposal will be required to provide for on-site mitigation in order to compensate for wetland losses. Please provide a conceptual plan that details the proposed wetland restoration and/or creation. Please submit the items listed above at your earliest convenience. If you have any further questions, please contact me at(425)430-7270. I will be out of the office September 1st through the 10th. If you need immediate assistance during this time, please contact Jennifer Henning at (425)430-7286. Sincerely, /72 ) 5 Lesley Nishihira Project Manager Attachments C: Blackriver—Rivertech, LLC, Property Owners Jennifer Henning, Principle Planner 1055 South Grady Way-Renton, Washington 98055 6iJ This paper contains 50%recycled material.20%post consumer 4-3-110J i. Wetlands occurring on top of fill ulated wetlands is determined by the classifi- materials; and cation of the wetland. ii. Characterized by emergent veg- Wetland Category: Standard Buffer: etation, low plant species richness Category 1 100 feet and used minimally by wildlife.These (Very High Quality) wetlands are generally found in the areas such as the Green River Valley Category 2 50 feet and Black River Drainage Basin. (High Quality) Category 3 25 feet c. All other wetlands not classified as (Lower Quality) Category 1 or 2 such as smaller, high -disturbed quality wetlands. - newly emerging -other J. WETLAND BUFFERS: (Ord. 4478, 10-24-1994) 1. Definition and Purpose of Wetland Buffers: Buffers are designated areas adja- 5. Increased Wetland Buffer Zone Width: cent to a regulated wetland which protect the The City's Department Administrator may re- wetland from changes in the location of the quire increased standard buffer zone widths wetland edge. Wetland buffers minimize the in unique cases—i.e., endangered species, short-term and long-term impacts of develop- very fragile areas,when a larger buffer is nec- ment on properties adjacent to wetlands, pre- essary to protect wetlands functions and val- serve important wildlife habitat, allow for ues.This determination shall be supported by infiltration and water quality improvement, appropriate documentation provided by the protect buildings, roads and other infrastruc- City showing that increased buffers are rea- ture as well as property owners from flood sonably related to protection of the functions damage in years of high precipitation. and values of the regulated wetland. Such determination shall be attached as a condi- 2. Buffers Required:Wetland buffer zones tion of project approval and shall demon- shall be required of all proposed regulated ac- strate that: tivities adjacent to regulated wetlands. Any wetland created or restored as compensation a. A larger buffer is necessary to main- for approved wetland alterations shall include tain viable populations of existing spe- the standard buffer required for the class of cies; or the wetland being replaced. Except as other- wise specified, all required wetland buffer b. The wetland is used by species listed zones shall be retained in their natural condi- by the Federal or the State government tion. Where buffer disturbance has occurred as threatened,endangered and sensitive during construction or other activities, reveg- species and State listed priority species, etation with native vegetation may be re- essential habitat for those species or has quired. unusual nesting or resting sites such as heron rookeries or raptor nesting trees or 3. Measurement of Buffers: All buffers evidence thereof; or shall be measured from the wetland bound- ary as surveyed in the field pursuant to the re- c. The adjacent land is susceptible to quirements of subsection H of this Section, severe erosion and erosion control mea- Wetlands Definition and Determination of sures will not effectively prevent adverse Regulatory Edge. wetland impacts; or 4. Standard Buffer Zone Widths:The d. The adjacent land has minimal vege- width of the required wetland buffer zone tative cover or slopes greater than fifteen shall be determined according to the wetland percent (15%). category. The buffer zone required for all reg- ., • 6 J Reduction of Buffer Width:The Depart- ment Administrator may approve a reduction 3 - 49 4-3-110K in the standard wetland buffer zone widths on d. That width averaging will not ad- a case-by-case basis where it can be demon- versely impact the wetland function and strated by the applicant that: values; and a. The adjacent land is extensively veg- e. That the total area contained within etated and has less than fifteen percent the wetland buffer after averaging is no (15%) slopes and that no direct or indi- less than that contained within the re- rect,short-term or long-term, adverse im- quired standard buffer prior to averaging. pacts to regulated wetlands, as In no instance shall the buffer width be re- determined by the City, will result from a duced by more than fifty percent(50%)of regulated activity. The City's determina- the standard buffer or be less than twenty tion shall be based on specific site stud- five feet (25') wide. ies by recognized experts.The City may require long-term monitoring of the K. ALLOWED AND REGULATED project and subsequent corrective ac- ACTIVITIES: tions if adverse impacts to regulated wet- lands are discovered; or 1. Allowed Activities within Wetlands and Buffers:The following activities shall be b. The project includes a buffer en- allowed within a wetland or wetland buffer to hancement plan using native vegetation the extent that they are not prohibited by any and substantiates that the enhanced other chapter or law and provided that they buffer will be equal to or improve the are conducted using best management prac- functional attributes of the buffer. An en- tices as specified by industry standards or ap- hanced buffer shall not result in greater plicable Federal agencies or scientific than a twenty five percent (25%) reduc- principles, wetland impacts are minimized tion in the buffer width, and the reduced and that disturbed areas are immediately re- buffer shall not be less than twenty five stored; and provided further that forest prac- feet(25') wide. tices and conversions shall be governed by chapter 76.09 RCW and its rules;and further c. Such determination and evidence provided they are given prior written confir- shall be included in the application file mation of their allowed activity status by the and public notification shall be given as Department Administrator: specified in the City Code. Qetland a. Conservation or preservation of soil, Averaging of Buffer Width: Standard water, vegetation, fish and other wildlife. buffer zones may be modified by av- eraging buffer widths. Wetland buffer width b. Passive recreation, including walk- averaging shall be allowed only where the ap- ways and trails, and open space. plicant demonstrates all of the following: c. Nondestructive education and re- a. The averaging is necessary to avoid search. denial of reasonable use to the applicant caused by circumstances peculiar to the d. Normal and routine maintenance and property; and repair of any existing public or private uses and facilities where no alteration of b. That the wetland contains variations the wetland or additional fill materials will in sensitivity due to existing physical be placed.The use of heavy construction characteristics; and equipment shall be limited to utilities and public agencies that require this type of c. That only low intensity land uses equipment for normal and routine mainte- would be located adjacent to areas nance and repair of existing utility or pub- where buffer width is reduced, and that lic structures and rights-of-way. In every such low intensity land uses are guaran- case,wetland impacts shall be minimized teed by covenant, deed restriction, ease- and disturbed areas shall be restored mentor other legally binding mechanism; during and immediately after the use of and construction equipment. 3 - 50 CITY OF RENTON .::::::..::;. > ::.. DEVELOPMENT SERVICES;DIVISibN :<::::::::;:::.:: r ::.:::::::::: ::.::::.: :':: :::;:::: U5E PER 1T :: :.:. :..... AND M TE APPLICATION PROPERTY OWNERS) PROJECT INFORMATION Note: If there is more than one legal owner, please attach an additionali; notarized Master Application for each owner. • PROJECT OR DEVELOPMENT NAME: NAME: BLACKRIVER-RIVERTECH LLC BLACKRIVER RIVERTECH g(f CL O rat/ G C/O ALPER NORTHWEST PROPERTY/PROJECT ADDRESS(S)/LOCATION: ADDRESS: 700 5TH AVE„ SUITE 6000 POWELL AVE NW; NORTH OF SW 7TH STREET CITY: SEATTLE ZIP: 98104 KING COUNTY ASSESSOR'S ACCOUNT NUMBER(S): 132304908602 TELEPHONE NUMBER: EXISTING LAND USE(S): 206-624-9223: DEAN ERICKSON ACCESS TO EXIST OFFICE BUILDING TO WEST APPLICANT '(if other than owner) :' AND VACANT LAND PROPOSED LAND USES: NAME: LPN ARCHITECTS R1 PLANNERS ROYCE A. BERG OFFICE, R D, s, CO ZONE ALLOWED USES COMPANY(if applicable): EXISTING COMPREHENSIVE PLAN MAP DESIGNATION: EMPLOYMENT AREA VALLEY ADDRESS: 1535 4TH AVE. SOUTH, SUITE D PROPOSED COMPREHENSIVE PLAN MAP DESIGNATION (if applicable): DEVELOPMENT PLAN;JI NG SAME CITY OF RENTON CITY: SEATTLE ZIP: 98134 EXISTING ZONING: AUG 2 3 1999 co RECEIVED TELEPHONE NUMBER: PROPOSED ZONING (if applicable): 206-583-8030 CONTACT PERSON N/A NAME: LPN ARCHITECTS ; PLANNERS SITE AREA (SQ. FT. OR ACREAGE): ROYCE A. BERG 5 ACRES, ±217,800 SF COMPANY (if applicable): PROJECT VALUE: APPROXIMATELY $985,000 ADDRESS: 1535 4TH AVE. SOUTH, SUITE D IS THE SITE LOCATED IN THE AQUIFER PROTECTION AREA? NO CITY: SEATTLE ZIP: 98134 IS THE SITE LOCATED IN ANY OTHER TYPE OF ENVIRONMENTALLY SENSITIVE AREA? TELEPHONE NUMBER: WETLAND AREA ON PART OF SITE 206-583-8030 LEGAL DE.._.4IPTION OF PROPERTY (Attach''. ei,arate sheet if necessary) SEE ATTACHED TYPE OF APPLICATION & FEES ':':..;... . Check all application.aypes that apply--City staff will determine fees. _ ANNEXATION $ SUBDIVISION: _ COMP. PLAN AMENDMENT $ _ REZONE $ _ LOT LINE ADJUSTMENT $ SPECIAL PERMIT $ _ SHORT PLAT $ TEMPORARY PERMIT $ _ TENTATIVE PLAT $ _ CONDITIONAL USE PERMIT $ _ PRELIMINARY PLAT $ SITE PLAN APPROVAL $/00C).00 _ FINAL PLAT $ _ GRADE & FILL PERMIT $ (NO. CU. YDS: ) PLANNED UNIT DEVELOPMENT: $ _ VARIANCE $ (FROM SECTION: ) _ PRELIMINARY WAIVER $ _ FINAL WETLAND PERMIT $ ROUTINE VEGETATION MOBILE HOME PARKS: $ MANAGEMENT PERMIT $ _ BINDING SITE PLAN $ SHORELINE REVIEWS: _ SUBSTANTIAL DEVELOPMENT $ _ CONDITIONAL USE $ _ VARIANCE $ EXEMPTION $No Charge X ENVIRONMENTAL REVIEW $ SOO REVISION $ SEPA AFFIDAVIT OF OWNERSHIP KENNETH BELLAMY I, (Print Name) DEAN ERICKSON , declare that I am (please check one)2:1-ihe owner of the property involved in this application, _the authorized representative to act for the property owner (please attach proof of authorization), and that the foregoing statements and answers herein contained and the information herewith submitted are in all respects true and correct to the best of my knowledge and belief. BLACKRIVER-RIVERTECH LLC BY: BLAC I ER H DINGS, INC. ITS MANAGER ATTEST: Subscribed and sworn to before me, a Nolary-Publiq, n and a`t for the State of WASNZl1{ratiresiding at �IS, M. t►I I (NameiOv/nr/Reppresentative) ,5EAME , on the dmr f�� �G� K -t-t.t v• 13C11r�., v ��e AUGUST 19�. J�, �SSIOAi b3.4 (Signature of Owner/Representativee,,) • 'v toil Z� �;' Z 'fit c>�.` . E_v% n,., V�cc. C�rr:� �e • s, 1• • 0 • \V ( ignature of Notary Public) sue' , �� off= it CV'WASO (Th' section to b ''completed by City Staff.) City File Number: i..JACf " 2-) A AAD ,BSP CAP-S CAP-U CPA CU-A CU-H C LLA MHP FPUD FP PP R RVMP SA-H SHPL-A SHPL-H SP SM SME TP V-A V-8 V-H W TOTAL FEES: $ 11724.. ?c TOTAL POSTAGE PROVIDED: $24' 7— 5 jC ..3.3) MASTERAP.DOC REVISED 8/97 • Architecture and Planning,Inc. Royce A.Berg,Y.Ken K.Chin,Principals 1535 Fourth Ave.S.,Suite D Seattle,WA 98134 (206)583-8030 Fax(206)583-0708 BLACKRIVER RIVERTECH 13,141SF Office/Flex Facility 5 Acre Site Blackriver Corporate Park Powell Avenue SW North of 7th St. SW, south of Burlington Northern Railroad Renton, Washington LEGAL DESCRIPTION Legal Description of Parcel I • DESCRIPTION: THAT PORTION OF THE SOUTHEAST 1/4 OF SECTION 13 , TOWNSHIP 23 NORTH, RANGE 4 EAST W_M_ AND THE SOUTHWEST 1/4 OF SECTION 18 , TOWNSHIP 23 NORTH, RANGE 5 EAST W_M_ , DESCRIBED AS FOLLOWS: • BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST 1/4 WITH THE NORTH LINE OF THE SOUTH 650.00 Fh1.1 THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER, AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; , THENC'F NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 1099 .78 FEET; THENCE NORTH 01 'DEGREES 45 MINUTES 00 SECONDS EAST 418 .89 FEET TO A POINT ON THE SOUTHERLY LINE OF THE CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT—OF—WAY SAID POINT BEING ON A CURVE WITH A RADIUS OF 1005. 37 FEET, THE RADIUS OF WHICH BEARS NORTH 38 DEGREES 15 MINUTES OS SECONDS EAST; THENCE SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346 . 30 FEET; THENCE SOUTH 71 DEGREES 29 MINUTES 03 SECONDS EAST ALONG SAID SOUTHERLY LINE 912_ 08 FEET TO THE NORTH LINE OF THE SOUTH 650 . 00 FEET OF THE SOUTHWEST 1/4 OF THE SOUTHWEST 1/4 OF SAID SECTION 18 ; THENCE NORTH 89 DEGREES 10 MINUTES 25 SECONDS WEST ALONG SAID NORTH LINE 81.57 FEET TO THE POINT OF BEGINNING; SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF wASHINGTON_ \-.._ 3;1> S LANOSTON RD RZ \__\ (el 0 1V I S 133RD ST S 132ND ST _ ��NrON p�E S AIRPORT W / ao y 14 6"ez cso h FyPhRE 1'J T O w ; 900 rFi Fp N- uA Y S y z O S •�� "Y 13 CSET e S 4�f Cs 4, e�•1 cc, 18 t) v' ti s SUNSET S � S A � B O 900 >S Rry�� 9`_ $Lack �I///�..e�,�LycPON NORTHE-, a ,_ S 14 4TH Sra ��� VALLEY ) SW 7TH ST $ 7TH I n N n ]S�7iH > T � � o ♦ E 1 s, a P '.:1'. o SW AV ,OR i J * a <N S W _ v �= 1SIST y0 S z vie ST 'G �� 405 ���� r 1NT` \P°_ ,,TUKWI �EESLRBA �� 24� SW 16TH ST 19 _ s Sp y mr 4 1 ��` ✓✓ltFHre� 405 s`� ir ' m� �'y .0, BLVD �� - ' ' rtjXVLA J PKVY ti N- NORTH C ° Sheet: a P os co Project: RIVERTECH PHASE II ru c. ARCHITECTURE and PLANNING Subject: VICINITY MAP 1 m ROYCE A.BERG.PRINCIPAL u Y.KEN K.CHIN.PRINCIPAL r 1535-4TH AVE SOUTH,SUITE D Project No.:NW 99008 oate:2-18-99 By: RAJ Of: SEATTLE.WASHINGTON 98134 16). (206)583-8030 FAX 583-0708 Architecture and Planning,Inc. Royce A.Berg,Y.Ken K.Chin,Principals 1535 Fourth Ave.S.,Suite D Seattle,WA 98134 (206)583-8030 Fax(206)583-0708 BLACKRIVER RIVERTECH 13,141SF Office/Flex Facility 5 Acre Site Blackriver Corporate Park Powell Avenue SW E\JFLOPMENT PLANTING North of 7th St. SW, south of Burlington Northern Railroad I IY OF RENTON Renton, Washington AUG 2 o 1999 PROJECT NARRATIVE REcEIvE T • Site is zoned C.O., (commercial office), with C.O. zone to west, southwest, and IM zone, (industrial medium), to the south and southeast. Burlington Northern Railroad is directly adjacent on the north. • Current use of site is access for existing three-story office to west and access for City maintenance of drainage ditch to southeast, biofiltration swale exists to southwest, the balance of site is underdeveloped. • Site is 217,800 square feet (5 acres) with approximately 60,348 square feet of wetland trapped below the railroad slope bank to the north. Existing trees, buffer the site to the north and the east. • Soils on site are typical valley soils of silts and sands. Drainage exists at the southeast property line in the City of Renton drainage swale and also occurs at the southwest property line where an existing biofiltration swale was constructed for Rivertech and Blackriver Phase III. The biofiltration swale was specifically constructed to include this phase. • Proposed development of 13,141 SF office/flex building would conform with zoning code and existing uses in area and would be built on the site area outside of wetland, adjacent to existing site access road at Powell Avenue SW. Building, one-story office constructed of articulated concrete painted panels with tinted glass. Site coverage is 6% of total site. Impervious area is 20% or 43,500 square feet of total site. Wetland area is 27% or 60,348 square feet of site. Parking ratio is ±4/1000 SF of building or 53 cars. Access exists to Powell Avenue SW and to adjacent development at west and maintenance path to east. • No off-site improvements are required. Existing curb cut is established at existing access road. Water line is on-site and sewer line is in street. Sidewalks exist at Powell Avenue SW. • Estimated construction costs is $499,358 value is approximately $985,000. Page 1 of 2 BLACKRIVER RIVERTECH • 13,141SF Office/Flex Facility PROJECT NARRATIVE Page 2 of 2 • Approximately 950 cubic yards of structural fill will be required plus building surcharge. This included small fill area noted at wetland edge. 850 square feet of wetland would be filled at edge per Army Corp of Engineers Nationwide Fill Permit 1999-4-00444. • Approximately 10 trees (Cottonwood, Ash, Hawthorn) in the development area of site are to be removed, (number and type are shown on plans). LPN Architects and Planning, Inc.,Royce A.Berg, Principal,Y.Ken K.Chin,Principal, 1535 4th Ave.S.,Ste D,Seattle,WA 98134(206)583-8030 Architecture and Planning,Inc. I Royce A.Berg,Y.Ken K.Chin,Principals 1535 Fourth Ave.S.,Suite D Seattle,WA 98134 (206)583-8030 Fax(206)583-0708 BLACKRIVER RIVERTECH 13,141SF Office/Flex Facility 5 Acre Site Blackriver Corporate Park Powell Avenue SW North of 7th Street SW, south of Burlington Northern Railroad Renton, Washington CONSTRUCTION MITIGATION DESCRIPTION Proposed construction dates would begin Spring 2000, (approximately May), and would be completed by late Fall 2000, (approximately December). Hours of construction would occur from 7:00 a.m. to 6:00 p.m. Proposed haul routes are not determined at this time, but will be determined prior to required City Preconstruction meeting, and will meet City requirements. Watering during construction period would be implemented to limit emission of particles and dust into the air. Erosion control measures, siltation fences, and sediment pond will be installed per City standards to keep elements on site and protect wetland area. If traffic control is required, it will be implemented prior to City Preconstruction meeting and per City approval. DEVELOPMENT PL A '," �O CITY OF REi‘.TCtJ AUG 2 1999 RECEIVED a in W , Mrao rsa� aLcJ , P , E 381 - 129th Place NE ** Bellevue, WA 98005 ** Phone/Fax(425)454-6307 BOA DATE: August 20, 1999 E-mail: JimMaclsaac@email.msn.comilY0 N A, g ,Q0G, IYeIVTN 1, TO: Dean Erickson!' ce Berg Original has been Mailed 0 1999 FROM: Jim MacIsaac . SUBJECT: Black River Co (orate Park, Renton, Washington -- River Tech II Final Phase and Updated Traffic Generation Estimates This memo addresses traffic generation estimates for proposed Rivertech II, an office building containing 13,141sf of floor area. It is the final element of the Black River Corporate Park. Summaries of the formerly approved and mitigated plan and the currently proposed buildout plan are shown in the attached tables. Approved Project at Buildout The upper table on the attachment shows traffic estimates for the approved and mitigated plan for Black River Corporate Park, as per the November 20, 1991 "Memorandum of Agreement" and the January 22, 1992 Report and Decision of the Renton Hearing Examiner. The office project has developed as a series of general office buildings. It has not taken on the characteristics of an "office park", which is defined in the ITE Trip Generation documents as "containing office buildings and support services such as banks, savings and loan institutions, restaurants, and service stations". There is discussion in the records of traffic generation estimates for the project if classified as an office park. Therefore, the alternate buildout traffic estimates for an office park are shown also at the bottom of the table. "In any event, staff and the applicant agree that the applicant has provided sufficient funding to accommodate the anticipated traffic that will be generated by this proposal at buildout. These traffic estimates were contemplated when calculating the transportation improvements for this area." (Finding 22, page 11, of the Jan 22, 1992 Report and Decision of the Hearing Examiner). Revised Project Buildout Proposal The lower table on the attachment provides revised traffic estimates for the Black River Corpo- rate Park buildout as now proposed, including Rivertech Phase I that is now existing. This final buildout of Black River Corporate Park would result in decreases in traffic generation and im- pacts as compared to the previously approved and mitigated project. Therefore, there appears to be no need for any additional traffic analyses or mitigation measures. SEPA Checklist for Rivertech Phase II The lower table on the attachment also shows the traffic generation estimate th�`t'AIY itt-teas f (-- eluded in the SEPA Checklist for Rivertech Phase II. As a"freestanding" o ' ; Jt ` r estimated to generate 280 vehicle trips per day (to and from its parkingarea an average, p ,. AUG 1999 James W.Maclsaac-8/21/99\jwm\RvrTech2.doc LPN Architects & Planners Dean Erickson/Royce Berg August 20, 1999 Page 2 weekday), and 37 trips and 44 trips respectively during the AM and PM commuter peak hours of the weekday. When including Rivertech II as part of the greater Black River Corporate Park project, its net traffic impacts on the public street system outside the Corporate Park would be +100 AWDT, and+14 trips and+15 trips respectively during the AM and PM peak hours. James W.Mac[saac-8/21/99 \jwm\RvrTech2.doc Black River Corporate Park--Trip Generation (Approved & Mitigated Plan)1 Phase Land Use Quantity(gsf) AWDT AM Peak Hour PM Peak Hour Phase Cum Phase2 Cum3 Phase2 Cum3 Phase2 Cum3 III General Office 70,036 70,036 1,072 1,072 145 145 143 143 IV-A General Office 74,915 144,951 1,128 1,858 153 255 150 244 IV-B General Office 74,915 219,866 1,128 2,546 153 352 150 332 V General Office 50,546 270,412 838 2,977 112 414 112 387 VI General Office 71,057 341,469 1,084 3,551 146 496 144 459 VII General Office 286,300 627,769 3,108 5,627 432 796 404 720 VIII General Office 128,000 755,769 1,691 6,475 231 920 223 825 Total-Office 755,769 10,049 6,475 1,372 920 1,326 825 Totals--General Office 755,769 6,475 920 825 Alt Estimate as"Office Park" 755,769 7,860 1,215 980 ' Based on Trip Generation-5th Edition, Institute of Transportation Engineers, 1991. 2 Reflects total trips generated by phase building(s)as a freestanding project. 3 Reflects net off-site trips impacting streets outside the office park as a whole;the differences between phase total and net cumulative trips represent trips internal to the overall office park. Black River Corporate Park --Trip Generation (Current Plan Proposal)4 Phase Land Use Quantity(gsf) AWDT AM Peak Hour PM Peak Hour Phase Cum Phase2 Cum3 Phase2 Cum3 Phase2 Cum3 III General Office 70,036 70,036 1,010 1,010 140 140 158 158 IV-A General Office 74,915 144,951 1,063 1,765 148 251 163 242 IV-B General Office 74,915 219,866 1,063 2,430 148 349 163 326 V General Office 50,546 270,412 786 2,850 108 412 136 382 VII General Office 148,834 419,246 1,800 3,990 256 584 246 549 River Tech 1 Existing Office 73,000 492,246 1,042 4,510 145 664 161 631 River Tech 11 Prop Office 13,141 505,387 280 4,610 37 678 44 646 Net Increase 13,141 100 14 15 VIII Eliminated Subtotal Office 505,387 7,044 4,610 982 678 1,071 646 VI Hotels 110 Rms 61,545 800 64 68 Totals--Gen Office+Hotel 566,932 5,410 742 714 Change from Approved Project (188,837) (1,065) (178) (111) Alt Estimate as"Office Park" 566,932 6,320 935 794 Change from Approved Project (1,540) (280) (186) 4 Based on Trip Generation-6th Edition, Institute of Transportation Engineers, 1997. 5 Now under separate ownership and development from Black River Corporate Park. AUG-05-99 09:43AM FROM-BUSH ROED & HITrIJInIGS INC, 206-323-7135 T-289 P.02/02 F-500 ` _—_ co r \\ S niEET a CQ �`'` / RPpRATF LIMITS •e• s Wn GF 3` c -114tIlliw ISOvr,, F 4 I 13 i 3Rv Q i COR?CRATE LIMITS / s0G ` cF tM 18c. E .- -----.. u91I/r(,•7�, . s �Z S, z are; o o' \ CITY OF RENTON '31.a 4 `,• i.7•.3.k Au90u_EV ARP . •.., .�;1„ 4:' 4;T• ,. .disc?..:•yes.• ,- ;'c • ' •.x ZONE X 4 • • z� C S f • . ' LIMIT of ':"•:4 .,.: �� I •'. FLOCDWAY i,�'y; '.4 ,;•.. E 7TH ;� .4' :` SOUTHWEST Alr /� C) t 4 I �, •• ,: • ',..-• r. ZONE X l 1 1 • W-.•Y.. T'‘..4 - '." . '-' ''' '' ' •4. 3 1 A 00411 • SPIi'INGBROOK : e. • • • :y g T c W: 0 a 1 FEMA MAP EATMEW PLANT (i:l © I i -- 1 scat Er 24 G t, ��n'WESi tit)Sh �� ? ���� for J cc CV — In NS PANEL 0978 CITY O i ENTf N T S tC V O €�E1�EI»QPMEN ER1/ ES f�l. IS{ N UG�o, PURPOSE OF CHECKLIST: RFc 1999 The State Environmental Policy Act (SEPA), Chapter 43.21C RCW, requires all governmental ag t s to consider the environmental impacts of a proposal before making decisions. An Environmental Impact Statement (EIS) must be prepared for all proposals with probable significant adverse impacts on the quality of the environment. The purpose of this checklist is to provide information to help you and the agency identify impacts from your proposal (and to reduce or avoid impacts from the proposal, if it can be done) and to help the agency decide whether an EIS is required. INSTRUCTIONS FOR APPLICANTS: This environmental checklist asks you to describe some basic information about your proposal. Governmental agencies use this checklist to determine whether the environmental impacts of your proposal are significant, requiring preparation of an EIS. Answer the questions briefly, with the most precise information known, or give the best description you can. You must answer each question accurately and carefully, to the best of your knowledge. In most cases, you should be able to answer the questions from your own observations or project plans without the need to hire experts. If you really do not know the answer, or if a question does not apply to your proposal, write "do not know" or"does not apply". Complete answers to the questions now may avoid unnecessary delays later. Some questions ask about governmental regulations, such as zoning, shoreline, and landmark designations. Answer these questions if you can. If you have problems, the governmental agencies can assist you. The checklist questions apply to all parts of your proposal, even if you plan to do them over a period of time or on different parcels of land. Attach any additional information that will help describe your proposal or its environmental effects. The agency to which you submit this checklist may ask you to explain your answers or provide additional information reasonably related to determining if there may be significant adverse impact. USE OF CHECKLIST FOR NONPROJECT PROPOSALS: Complete this checklist for NON PROJECT proposals, even though questions may be answered "does not apply." IN ADDITION, complete the SUPPLEMENTAL SHEET FOR NONPROJECT ACTIONS (part D). For NON PROJECT actions (actions involving decisions on policies, plans and programs), the references in the checklist to the words "project," "applicant," and "property or site" should be read as "proposal," "proposer," and "affected geographic area," respectively. LPN JOB NO.98041 'Environmental Checklist A. BACKGROUND 1. Name of proposed project, if applicable: Site Plan Approval Blackriver Rivertech Blackriver Corporate Park Powell Avenue SW, North of SW 7th Street Renton, Washington 2. Name of applicant: LPN Architects & Planners 3. Address and phone number of applicant and contact person: Blackriver-Rivertech L.L.C. Royce Berg, Principal c/o Dean Erickson LPN Architects & Planners Alper Northwest 1535 4th Ave. S., Suite D 700 5th Ave., Suite 6000 Seattle, WA 98134 Seattle, WA 98104 206/583-8030 206/624-9223 4. Date checklist prepared: August 13, 1999 5. Agency requesting checklist: City of Renton - Building &Zoning 6. Proposed timing or schedule (including phasing, if applicable): Summer of 2000 7. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. No 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. Wetland Delineation Report by NRC Consulting, dated March 1999 9. Do you know whether applications are pending for governmental approvals of other proposals directly affecting the property covered by your proposal? If yes, explain. None known 10. List any governmental approvals or permits that will be needed for your proposal, if known. Site plan approval, routine vegetation management permit, grade and fill permit, building permits, and tenant improvement permits. Nation wide fill permit 1999-4-00444 Army Core Engineers, received. 2 Environmental Checklist 11. Give brief, complete description of your proposal, including the proposed uses and the size of the project and site. Development of one story Office/Flex Building totaling approximately 13,500 square feet of commercial space for permitted uses including the following: professional, administrative and business offices; business services; research and development; assembly and related activities. Developed site area would be approximately one (1) acre, 43,560 square feet, including .24 acre of existing access road, representing 20% of the total site area of five (5) acres. 12. Location of the proposal. Give sufficient information for a person to understand the precise location of your proposed project, including a street address, if any, and section, township, and range if known. If a proposal would occur over a range of area, provide the range or boundaries of the site(s). Provide a legal description, site plan, vicinity map, and topographic map, if reasonably available. While you should submit any plans required by the agency, you are not required to duplicate maps or detailed plans submitted with any permit applications related to this checklist. Specific: End of Powell Avenue SW North of SW 7th Street and East of Naches Avenue SW South of Burlington Northern Railroad *See attached legal and vicinity maps B. ENVIRONMENTAL ELEMENTS 1. EARTH a. General description of the site (circle one); flat, rolling, hilly, steep slopes, mountainous, other A general description of the site is flat b. What is the steepest slope on the site (approximate percent slope?) The topography is generally flat in the proposed development areas of the site. One to three percent slopes exist except at slope bank adjacent to railroad tracks, which is off site. c. What general types of soils are found on the site (for example, clay, sand, gravel, peat, muck)? If you know the classification of agricultural soils, specify them and note any prime farmland. Silty sand over soft to medium stiff silts d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. None known e. Describe the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill. Approximately 950 cubic yards of structural fill would be placed on the development areas of the site and approximately 200 yards of cut. The source of the fill material is unknown at this time. Fill would raise developed site areas and building pad to elevation 16. Fill of 840 square feet of wetland per nationwide fill permit 1999-4-00444, Army Core Engineers 3 Environmental Checklist f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe. Site erosion, if any, should be minimal with the implementation of proper erosion control practices during construction g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? The impervious surface area of the completed project would be approximately one (1)acre, 43,560 square feet representing 20% of the site h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: Erosion and sediment controls will be designed in accordance with City regulations 2. AIR a. What types of emissions to the air would result from the proposal (i.e., dust, automobile, odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. Construction activity would have temporary impact on air quality including emissions from construction equipment, increased suspended particulates (dust and smoke) during grading activities, and odors from asphalt paving for brief periods during the construction of parking areas. When the project is completed,there would be normal carbon monoxide emissions generated from automobile traffic. b. Are there any off-site sources of emission or odor that may affect your proposal? If so, generally describe. Traffic from nearby roads and railroad. c. Proposed measures to reduce or control emissions or other impacts to air, if any: Watering during the construction period would be implemented to limit the emission of suspended particulates and dust into the air. 3. WATER a. Surface Water: 1) Is there any surface water body on or in the immediate vicinity of the site (including year- round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe type and provide names. If appropriate, state what stream or river it flows into. Existing drainage ditch and biofiltration swale exist to south and west of site. The P-1 channel and detention basin are located one half mile to the west of the site which is pumped or released into the Green River. Wetlands exist at the northwest and north of the site, approximately 60,348 square feet. 4 Environmental Checklist 2) Will the project require any work over, in, or adjacent to (within 200 feet)the described waters? If yes, please describe and attach available plans. NO 3) Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would be affected. Indicate the source of fill material. Approximately 0.02 acres (840 square feet) portion of wetland located in the center south part of the site is proposed to be filled. See Wetland Delineation Report prepared by Natural Resource Consulting, dated March 1999, and attached NWP Reference 199-4-0044, Army Core of Engineers Fill Permit. 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities if known. NO 5) Does the proposal lie within a 100-year flood plain? If so, note location on the site plan. Although the site appears on FEMA maps, majority of existing elevations to be developed are above the flood plain elevations and the P-1 detention basin area provided by this applicant altered the flood plain in this area. 6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the type of waste and anticipated volume of discharge. NO b. Ground Water: 1) Will ground water be withdrawn, or will water be discharged to ground water? Give general description, purpose, and approximate quantities if known. NO 2) Describe waste material that will be discharged into the ground from septic tanks or other sources, if any (for example: Domestic sewage; industrial, containing the following chemicals...; agricultural; etc.). Describe the general size of the system, the number of such systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve. NONE c. Water Runoff(including storm water): 1) Describe the source of runoff(including storm water) and method of collection and disposal, if any (include quantities, if known). Where will this water flow? Will this water flow into other waters, If so, describe. 5 ' Environmental Checklist Storm water would be collected in a system of closed storm lines, processed thru a oil water separator and then thru a biofiltration swale to southeast. On-site detention should not be required per prior agreement and dedication by this applicant of 17.5 acres to the City for the P-1 channel and detention basin for Blackriver Corporate Park. 2) Could waste material enter ground or surface waters? If so, generally describe. Oil from automobile traffic and chemicals from landscape maintenance could potentially enter ground or surface waters unless appropriate mitigation measures are implemented. The proposal includes mitigation designed to reduce or eliminate potential impacts to ground and surface waters. d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any: Some minor potential would exist for pollutants to enter the natural surface waters. Possible sources of pollutants would be surface water runoff from roads and parking areas, and normal fertilizers, pesticides and herbicides used in landscape maintenance. The proposal includes the following mitigation measures: During Construction: • Per City requirements, a temporary erosion and sedimentation control plan (TESCP)would be implemented to minimize erosion and sedimentation in on-site and downstream drainages during construction. • To the maximum extent possible, runoff from the construction of roads and parking areas would be conveyed to the temporary water quality control pond per City standards. Following Construction: • A permanent storm water control system consistent with City requirements. • Water quality treatment utilizing existing biofiltration swale. • Compliance with local, state, and federal regulations regarding the use of chemicals in landscape maintenance. 4. PLANTS a. Check or circle types of vegetation found on the site: X deciduous tree: alder, maple, aspen, other- cottonwood, poplar, willow evergreen tree: fir, cedar, pine, other X shrubs X grass pasture crop or grain X wet soil plants: sedges, buttercup, red osier dogwood, ash, reed canary grass, soft rush, - in the wetland discussed in wetland report water plants: water lily, eel grass, milfoil, other X other types of vegetation - Blackberries 6 Environmental Checklist b. What kind and amount of vegetation will be removed or altered? Grasses and cottonwood, poplar and other deciduous trees would be removed only from the proposed development areas of the site. c. List threatened or endangered species known to be on or near the site. None known. Heron Rookery exists one half mile to the west beyond an existing three-story Office Building and beyond Naches Ave. SW. d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: The existing perimeter buffer of native vegetation and trees is substantial and would be preserved. Native trees, shrubs and ground cover would be installed in landscaping at the perimeter of the proposed development areas of the site. 5. ANIMALS a. Circle any birds and animals which have been observed on or near the site or are known to be on or near the site: Birds: hawk, heron, eagle, songbirds, other ducks Mammals: deer, bear, elk, beaver, other rodents, rabbits, raccoons, coyotes Fish: bass, salmon, trout, herring, shellfish, other none b. List any threatened or endangered species known to be on or near the site. None known c. Is the site part of a migration route? If so, explain NO d. Proposed measures to preserve or enhance wildlife, if any: Preservation of±80% of site with setbacks, buffers, landscaping, and natural areas as major on-site components to preserve or enhance wildlife. Approximately 80% of the site (4 acres) is proposed to remain undeveloped as natural areas and habitat buffer and wetland. Approximately 82 acres of land located near the site has also been dedicated (20 acres) or sold (62 acres) by the applicant to the City for preservation as permanent City open space, riparian forest and wildlife habitat. As partial consideration for its purchase of the land, the City has agreed (1)to grant mitigation credits for impacts to wetlands, wildlife, wildlife habitat, open space, and other sensitive areas occasioned by the development of all or portions of Tracts A, B, C, and Rivertech (or other developments within a 3 mile radius). 7 Environmental Checklist 6. ENERGY AND NATURAL RESOURCES a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc. Electricity and natural gas would be used for heating and cooling. Electricity would be used for lighting. b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. NO c. What kinds of energy conservation features are included in the plans of this proposal? List other proposed measures to reduce or control energy impacts, if any: Buildings will be designed per Washington State Energy Code requirements. 7. ENVIRONMENTAL HEALTH a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fire and explosion, spill, or hazardous waste, that could occur as a result of this proposal? If so, describe. NO 1) Describe special emergency services that might be required. None known 2) Proposed measures to reduce or control environmental health hazards, if any: None b. Noise 1) What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other)? Existing traffic on Powell Avenue SW and SW 7th Street, plus access to adjacent office and industrial buildings to south and west, and railroad to the north. 2) What types and levels of noise would be created by or associated with the project on a short-term or a long-term basis (for example: traffic, construction, operation, other)? Indicate what hours noise would come from the site. Temporary noise would occur during construction resulting primarily from truck traffic on streets that access the site and from construction equipment on-site. Construction activities would normally occur between 7:00 a.m. and 6:00 p.m. Noise following construction of the project would be that resulting from automobile traffic and normal business activities. 8 Environmental Checklist 3) Proposed measures to reduce or control noise impacts, if any: Compliance with applicable City noise regulations. Numerous sources of noise already exist in the immediate area, including Interstate 405, Burlington Northern Railroad, quarry operations. Impacts associated with the proposed project would be negligible. 8. LAND AND SHORELINE USE a. What is the current use of the site and adjacent properties? The site is currently undeveloped except an existing access route to office to the west and access to drainage easement to the east. Existing street access and curb cut. Office facilities exist to the west, southwest, and industrial to southeast. Railroad exists to the north. b. Has the site been used for agriculture? If so, describe. NO c. Describe any structures on the site. None d. Will any structures be demolished? If so, what? NO e. What is the current zoning classification of the site? C.O. (Commercial Office zone) f. What is the current comprehensive plan designation of the site? E.A.V. (Employment Area Valley) g. If applicable, what is the current shoreline master program designation of the site? Urban h. Has any part of the site been classified as an "environmentally sensitive" area? If so, specify. None, other than the wetlands discussed in Section 3.a above Approximately how many people would reside or work in the completed project? Approximately 50 to 130 people would work at the completed project. j. Approximately how many people would the completed project displace? None k. Proposed measures to avoid or reduce displacement impacts, if any: None 9 Environmental Checklist Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any: The proposed project is compatible with the office park designation for the site in the Comprehensive Plan. The one story buildings would be constructed of building materials and be of a scale consistent with existing commercial developments in the area. The proposed natural areas, buffers, landscaping, and building locations would preserve the characteristics of the site while creating a business environment in a park- like setting. 9. HOUSING a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-income housing. No housing units are proposed. b. Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or low-income housing. No housing units would be eliminated. The site is currently undeveloped. c. Proposed measures to reduce or control housing impacts, if any: None 10. AESTHETICS a. What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s) proposed. Building heights would be approximately 20 feet, plus HVAC equipment. Principal exterior building materials would be painted concrete and tinted glass. b. What views in the immediate vicinity would be altered or obstructed? None c. Proposed measures to reduce or control aesthetic impacts, if any: None 11. LIGHT AND GLARE a. What type of light or glare will the proposal produce? What time of day would it mainly occur? Parking area and building lighting would produce limited light during night-time hours. Neither source would be expected to produce glare on or off of the site. b. Could light or glare from the finished project be a safety hazard or interfere with views? No 10 • • Environmental Checklist c. What existing off-site sources of light or glare may affect your proposal? None known d. Proposed measures to reduce or control light and glare impacts, if any: Control of light distribution on the site in developed areas. 12. RECREATION a. What designated and informal recreational opportunities are in the immediate vicinity? A jogging path with activity stations was constructed by the applicant along Oakesdale Avenue SW with prior developments in Blackriver Corporate Park. Permanent City open space and wildlife preservation areas totaling approximately 82 acres with trails and observation points (existing and planned) are located immediately to the west, and south. Trail exists along biofiltration swale to west. b. Would the proposed project displace any existing recreational uses? If so, describe. NO c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: Passive recreation center with picnic table and benches would be provided on the site. 13. HISTORIC AND CULTURAL PRESERVATION a. Are there any places or objects listed on, or proposed for, national state, or local preservation registers known to be on or next to the site? If so, generally describe. No. Indian artifacts were found and documented in 1981, near this site. b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site. An archaeological excavation of a prehistoric Indian living site, sponsored by First City, (Alper Northwest formally First City), was conducted by the University of Washington in 1981. Significant artifacts were removed for study, and a report was compiled (James C. Chatters, Project Director, January 15, 1989. Interim report on excavations at Earlington Park to Department of Anthropology and Museum of Man, Central Washington University). The Project Director also indicated no further study was required and that construction and development would not damage the archaeological value of the site, but would, in fact, preserve it by not disturbing it further(letter from Chatters to David Schuman, May 12, 1981). c. Proposed measures to reduce or control impacts, if any: Per prior agreement, no archaeological survey is required due to funding by the applicant of the $50,000 archaeological dig previously conducted on this site in Blackriver Corporate Park by the University of Washington. Archaeological investigation was concluded. II • • Environmental Checklist 14. TRANSPORTATION a. Identify public streets and highways serving the site, and describe proposed access to the existing street system. Show on site plans, if any. Powell Avenue SW and SW 7th Street currently serve the site. Existing curb cut would be utilized by proposed project. Existing access road on-site services adjacent office complex to west with City maintenance easement access to east. b. Is site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? The site is currently served by public transit on SW 7th Street, Powell Avenue SW, and SW Grady Way. c. How many parking spaces would the completed project have? How many would the project eliminate? Approximately 52 parking spaces would be provided in the completed project. No existing parking spaces would be eliminated. d. Will the proposal require any new roads or streets, or improvements to existing roads or streets, not including driveways? If so, generally describe (indicate whether public or private? NO e. Will the project use (or occur in the immediate vicinity of) water, rail, or air transportation? If so, generally describe. NO f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur. As a "freestanding" office project it is estimated to generate 280 vehicle trips per day (to and from its parking areas on an average weekday), and 37 trips and 44 trips respectively during the AM and PM commuter peak hours of the weekday. When including Rivertech II as part of the greater Black River Corporate Park project, its net traffic impacts on the public street system outside the Corporate Park would be +100 AWDT, and +14 trips and +15 trips respectively during the AM and PM peak hours. g. Proposed measures to reduce or control transportation impacts, if any: Per prior agreement, no transportation mitigation should be required due to the prior dedication of 9.5 acres by the applicant to the City for the construction of Oakesdale Avenue SW, Naches Avenue SW and SW 7th Street and participation by the applicant in above and cost of construction of above streets. See also the update to the Traffic Analysis prepared by James W. MacIsaac, P.E., dated August 1999. Traffic generation for Blackriver Corporate Park is substantially less than originally programmed due to less allowed development. 12 Environmental Checklist 15. PUBLIC SERVICES a. Would the project result in an increased need for public services (for example: fire protection, police protection, health care, schools, other)? If so, generally describe. The project could result in an increased need for fire and police protection to the extent increased protection is warranted by its design and occupancy. b. Proposed measures to reduce or control direct impacts on public services, if any. Reasonable mitigation fees might be collected to reduce any direct impacts on fire protection services. 16. UTILITIES a. Circle utilities currently available at the site: electricity, natural qas, water, refuse service, telephone, sanitary sewer, other- storm detention b. Describe the utilities that are proposed for the project, the utility providing the service, and the general construction activities on the site or in the immediate vicinity which might be needed. Sewer, water, natural gas, electricity, and telephone are all available on site or in the abutting streets. C. SIGNATURE I, the undersigned, state that to the best of my knowledge the above information is true and complete. It is understood that the lead agency may withdraw any declaration of non- significance that it might issue in reliance upon this checklist should there be any willful misrepresentation or willful lack of full disclosure on my part. LPN Architects and Planners Proponent: By: I W tAd Name Printed: Royce A. :en LPN Architects & Planners Date: 15 '2)19V 13 • • —r t UNIVERSITY OF WASHINGTON SEATTLE,WASHINGTON 98195 April 1 , 1980 Institute for Environmental Studies Office of Public Archaeology Engineering Annex FM-12 (206) 543-8359 David M. Schuman, General Partner First City Equities Bank of California Center 900 Fourth Avenue Suite 3818 Seattle, Washington 98164 RE: Archaeological Test Excavations at the proposed Earlington Industrial Park Dear David: The following report in letter format concerns the result of this office's re- cent archaeological sub-surface test excavations at the proposed Earlington In- dustrial Park development in Renton, Washington. This work was conducted March 21 - 31 , 1980 by Stephen Elmore and Mindy Wright, and was the result of infor- mation derived from the Step 1 test coring activities at that site. STEP 1 : SUB-SURFACE TEST CORING RECOMMENDATIONS The test coring indicated possible cultural activity in the areas labeled "Area A" and "Area B" on the enclosed map. Both areas consisted of charcoal/organic staining below surface and warranted further investigation to assess the nature of the staining. It was evident from the test corings that Area B might be a redeposited matrix, due to the greatly varying depths of staining, and it was determined that a 1 x 1 meter test unit would yield sufficient vertical exposure to indicate whether or not this was, in fact, the case. Area A evidenced a much more even staining over a larger area and necessitated the excavation of at least one 1 x 2 meter test unit to more closely observe the nature of the staining and to determine the nature and vertical extent of any cultural material that might exist in that area. STEP 2: SUB-SURFACE TEST EXCAVATIONS AREA B Area B was first excavated , being taken down by 10 centimeter levels until an obviously redeposited matrix, as evidenced by a swirling "chocolate sundae" type layering , was encountered. This matrix was then removed (in order to observe whether or not it was underlain by any cultural matrices) , revealing natural , undisturbed bands of clay and sand down to a depth of 2.5 meters from the surface of the unit. No cultural material (other than a Titleist golf ball found some 29 centimeters below the surface) was recovered from this unit, and the staining ,' i Recycled Paper - David M. Schuman April 1 , 1980 Page Two observed in the test corings was most probably the result of anaerobic activity in the bottom of the adjacent stream,which was redeposited during a dredging of that stream. It is apparent that no cultural deposition or occupation occurred in Area B. • AREA A The 1 x 2 test unit in Area A was laid out at 49-50N/449-451E, and was excavated in 10 centimeter levels. Under the surface sod layer the matrix was a medium to light brown silty loam to a depth of approximately 85-90 centimeters, where it blended to a more clay-like matrix of the same color. No cultural material was discovered in these upper matrices, but at an average depth of approximately 100 centimeters the matrix darkened considerably to a mottled gray-brown clay, and in the 100-110 level some 61 fire-broken rocks, 10 bone fragments , 7 lithic flakes, one manufactured item (worked bone) , and many charcoal pieces were recovered. In the 110-120 level , the matrix became an intense black greasy clay, and con- tained over 200 pieces of fire-broken rock, 9 bone fragments, 8 lithic flakes , two manufactured items (a projectile point and a point/scraper) , and numerous charcoal fragments . The northwestern corner of the unit yielded evidence of a possible small pit and another small pit (approximately 40 centimeters in diameter) filled with fire-broken rock was discovered in the center of the unit. By the base of the 110-120 level , it was clearly evident from the intense concentration of cul- tural material that some cultural deposition/occupation had occurred, and it was decided to confine subsequent excavation to the western 1 x 1 (49-50N/449-450E) in order to more efficiently determine the vertical extent of the cultural de- posit. At an average depth of approximately 130-135 centimeters, the black staining be- gan to yield to a series of discrete bands of matrix. Cultural material started to thin out in these lower matrices though another 20 fire-broken rocks , 5-6 bone fragments and some smaller fish bones were recovered from 130 centimeters to 160 centimeters below the surface. Each of the bands beneath the intense black ma- trix was mottled and stained by elements of the other matrices and none could be defined as being an assured result of natural deposition. Though subsequent test coring indicated that there was a natural matrix at a depth of approximately 170 centimeters, this could not be confirmed by excavation due to the presence of the water table at a depth of only 163 centimeters. SUMMARY AND RECOMMENDATIONS The suppositions derived from the test coring results for Area B were borne out by the test excavation of the 1 x 1 meter unit. It was obviously apparent that the matrix in that area was redeposited by dredging activities in_ the adjacent stream and t at no cultural occupation or, activities occur .ed_.in Aroma B. ft is highly unlikely that construction activities will have any adverse affect on cultural David M. Schuman April 1 , 1980 Page Three resources in Area B. While the absolute vertical extent of the cultural deposit in Area A could not be defined in the 1 x 2 test unit due to the encroachment of the water table, it is obvious from the heavy concentrations of cultural material above the water table that cultural activity and/or occupation did occur in that area. Evidence from the Step 1 coring activities would suggest that the approximate area of the cultural deposit in Area A is 20 x 35 meters (roughly 35-55N/435-470E) . It is our recommendation that Step 3 activities (large-scale excavations) be initiated in Area A. Specific details of the Step 3 activities are being prepared by Jim Chatters of this office and will be forwarded to you as soon as they are completed. We appreciate your concern for the cultural resources of the region and are more than happy to assist you in the early stages of your project. If you have any questions regarding this report or our recommendations, please feel free to con- tact this office at your convenience. Sincerely, Stephen H. Elmore Research Assistant Sincerely, James C. Chatters Acting Director cc: Jeanne Welch Deputy State Historic Preservation Officer Office of Archaeology and Historic Preservation I CSNiy1S 7Irvy92/p) cro,1y.,,1c3n1s+, C d71S) v7•/l.hf 74, Sb/7a/i/ IV'W1r ,.NVLYp 5 �,� p Q/ IA- ,- rriijMbi o rim - "'e•itord /� sv yer,. ®`I rfvo,110,o7 2yo7 1s31 X S ,' IJ YY or ye,iv 1 1,eaPr=y. Y 3ycip, ro019 nil Kf y("1 ' No1N3Y -coo4 x1V4 r•1 sn17Ybj • 1 d bW • • • • �...0 % 1 + • • A. • • • • - tooe .. elk. . •00 • • •\. wrs�y►IA 1+ • • 1 • • • • ND ) • • 11111 AMIn •• D bitld> I $ of so ��� ' • • •• • • • • • • • • • I • • • - N ��. • • • • • • rIP I MI6 2 are 7 3o0S - -� • • /. r 1•10 os • -roo r • Mo SZ 11111, C CENTRAL WASHINGTON UNIVERSITY Ellensburg,Washington 98926 Affirmative Action/Equal Employment Opportunity/Title IXJ 11 2. DEPARTMENT OF ANTHROPOLOGY AND MUSEUM OF MAN May 12, 1981 David Schuman First City Equities • 900 4th Avenue, Suite 3818 Seatttle, Washington 98164 RE: Status of archaeological excavations at the Earlington Industrial Park. Site 45K159 - Dear Mr. Schuman, I am writing in response to your request of April 20, 1981 for my clearance of archaeological site 45K159, located in the extreme northwest corner of the pro- posed Earlington Industrial Park in Renton, Washington. As I have mentioned to you and to your assistant, Barbara Moss, I am not legally empowered to "clear" a site for construction, but can only give my professional evaluation of the site's significance. Having conducted extensive excavations at the site in Spring 1980 and after preliminary analysis of the results of those excavations, I am now in an excellent position to make such an evaluation. The site is 10 meters (30 ft.) wide and extends roughly east-west for at least 60 meters (195 ft.) along a former levee of the Black River. During occupation of the site and following its abandonment, the river has eroded away much of the artifact-bearing deposits. Erosion has been so extensive that the deposits resemble a complex stream bed, being made up of numerous cross-bedded layers and filled channels. Interpretation of the site has therefore been extremely difficult and would remain difficult regardless of how much earth was excavated. We have obtained a very large collection of artifacts from the site and I can say with some confidence that that collection is statistically representative of the site's contents. Although thousands of artifacts certainly remain in the site, the probability is very high that they are the same kinds of objects we have already recovered. We also took many samples of charred plant remains and have a large collection of fish and mammal bone from the site. That collection, too, was taken in such a way and is sufficiently large that I consider it to be representative of the site's contents. (- (- David Schuman May 12, 1981 page two The remains of structures - buildings of some kind - are evident, but because of the intense use of the site and damage done by the river it is and is likely to remain impossible to determine any details of building construction. In summary, it is my professional opinion that we have learned as much from 45K159 as can be learned. Subsequent excavations almost certainly would recover more of the same kind of data that we already possess and would not be cost effective. Incidentally, because the site is nearly four feet below the modern surface and is so long and narrow, it is unlikely that construction on this spot will damage it. Only if a deep basement were dug on this spot would the site be destroyed. Because the kind of use you plan usually does not entail such construction, at least some part of the site will certainly remain intact. Therefore even if the site were worth saving, which I believe it is not, its preservation would not require any -action on your part that is not already in your plans. If you need any other information, feel free to contact me. Thank you for making it possible to gather what useful data this site did contain. Sine rely,. i‘'' irl')/X-r---7-/-- --- James C. Chatters Assistant Professor % T Oi ` 1 ' °, DEPARTMENT OF THE ARMY y? \ SEATTLE DISTRICT,CORPS OF ENGINEERS w '" U; P.O.BOX 3755 ° SEATTLE,WASHINGTON 98124-3755 .,'/ REPLY TO ATTENTION OF Regulatory Branch MAY 1 2 '0.29 Blackriver-Rivertech LLC c/o Theresa Henson Natural Resource Consulting Post Office Box 7208 Tacoma, Washington 98407 Reference: 1999-4-00444 Blackriver-Rivertech Gentlemen: A nationwide permit (NWP) authorizes a 0.02 acre wetland fill associated with construction of a parking lot on the Rivertech project in Renton, Washington. The wetlands in question are adjacent to the Black River/ Springbrook Creek system, and occupy portions of the northern half of a triangular site bounded by the Burlington Northern-Santa Fe railroad tracks on the north and the northerly end of Powell Street on the south. The proposal was the subject of a Department of the Army permit application we received form you on April 12, 1999. We assigned file number 1999-4-00444 to the case. The project does have to meet a series of conditions for this form of authorization to be effective, and the work must be performed as depicted on the drawings you submitted to us with your application. The regulations governing our permit program contain a series of NWPs. Each NWP authorizes a specific category of work, provided certain conditions are met. NWP 18 (Federal Register, December 13, 1996, Vol. 61, No. 241) authorizes the discharge of fill in an area of up to a tenth of an acre in circumstances like the one described in your application. Enclosed is the entire text of NWP 18 (Enclosure 1) . The regional conditions and certification requirements at the end of NWP 18 must also be met by this project. You must also comply with a set of conditions that apply to all nationwide permits (Enclosure 2) . This verification that NWP 18 will authorize the work will be valid for 2 years from the date of this letter, unless NWP 18 is modified or revoked at an earlier date. If the project meets the enclosed conditions, you will need no further authorization from us for the work. You must still comply with any state and local requirements pertaining to the work. When the project has been completed, please fill out and return the enclosed compliance statement (enclosure 3) . If you have any questions, please contact me at telephone (206) 764-6907. / Silicerely, /fiz ' ri/44'1.1/ ack Kennedy rJg �v). Regulatory Projeanager : Enclosures MAY 2 1 1999 LPN Architects & Planners cs1A7 0:iii 7 1,4 r1889' ° STATE OF WASHINGTON DEPARTMENT OF ECOLOGY Northwest Regional Office, 3190- 160th Ave S.E. • Bellevue, Washington 98008-5452 • (425) 649-7000 June 1, 1999 Blackriver-Rivertech, LLC c/o Theresa Henson Natural Resource Consulting PO Box 7208 Tacoma, WA 98407 Dear Ms. Henson: Re: U.S. Army Corps of Engineers Reference#1999-4-00285- -Nationwide Permit #18 to place fill in 0.02 acres of wetlands adjacent to the Black River/Springbrook Creek system in Renton, Washington. This letter is to confirm that the above-referenced project will not require an individual water quality certification from the Department of Ecology. Your project does not meet the criteria for requiring a certification under Nationwide 18. This letter also confirms that the project, located in Section 13, Township 23 North, Range 4 East and Section18,Township 23 North, Range 5 East, received verification from the Department of Ecology that it is not located in state-listed habitat for endangered, threatened, or sensitive species. Please call me at (425) 649-7145 if you have further questions or would like more information. Sincerely, jvyvvx— g: • 14-6-3,1---1"1"1--d--. Ann E. Kenny Federal Permit Coordinator Shorelands and Environmental Assistance Program AEK:aek Cc: Jack Kennedy, Corps of Engineers ARCHITECTURE & PLANNING, ROYCE A. BERG, A.I.A., PRINCIPAL PHONE: (206) 583-8030 Y. KEN K. CHIN, PRINCIPAL FAX: (206) 583-0708 1535 FOURTH AVENUE SOUTH, SUITE D SEATTLE, WA 98134 TRANSMITTAL To: City of Renton Date: August 26, 1999 Development Services Division 1055 S. Grady Way Project: Rivertech Phase II Renton, WA 98055 Blackriver Project No: 990086EVELOPMENT PLF,N,ING CITY OF RENTON RE: Site Plan Approval Submittal AUG 2 1999 Description: CITY ITEMS: RECEIVED #1 1 Original Master Application Form, notarized 11 Copies of Master Application Form #2 12 Copies of Environmental Checklist, dated 8/13/99 - 1 original, 11 bound #3 5 Copies of current Title Report #4 2 Sets of mailing labels for surrounding property owners within 300 ft. #5 2 Copies of list of surrounding property owners, notarized #6 N/A #7 Fees - 1 Check for $1 ,524.75, LPN Check #16667 #8 N/A #9 12 Copies of Project Narrative - 1 original, 11 bound #10 12 Copies of Construction Mitigation Description - 1 original, 11 bound #11 12 Copies of Neighborhood Detail Map #12 12 Blackline prints of Site Plan, LPN, dated 8/13/99 #13 12 Blackline prints of Architectural Building Elevations, LPN, dated 8/13/99 #14 12 Blackline prints of Grading Elevations, BRH, dated 8/13/99 #15 5 Blackline prints of Utilities Plan, BRH, dated 8/13/99 #16 5 Blackline prints of Drainage Control Plan, BRH, dated 8/13/99 #17 4 Copies of Drainage Report, prepared by BRH, dated 8/5/99 #18 5 Copies of Geotechnical Report, prepared by Earth Consultants #19 12 Copies of Flood Plain Map (FEMA) - 1 original, 11 bound ' City of Renton Transmittal f Site Plan Approval, 8/26/99 Page 2 #20 12 Copies of Wetlands Report/Delineation, by NRC, dated March 1999 1 original, 11 bound #21 5 Blackline prints of Conceptual Landscape Plan, Sheet L1, by Lauchlin R. Bethune and Assoc., dated 8/13/99 #22 5 Blackline prints of Floor Plan, LPN, dated 8/13/99 #23 4 Blackline prints of Tree Cutting/Land Clearing Plan, BRH, dated 8/13/99 #24 12 Copies of Traffic Update Summary (1 ordinal/11 bound) Maclssac, 8/20/99 #25 1 Set of 8 1/2" x 11" PMT reductions #26 1 Set of 8 1/2" x 11" photocopies of PMT reductions 1 Set of Colored Display Maps: Neighborhood Detail Map, Site Plan, Landscaping Plan, and Building Elevations #27 N/A Miscellaneous: 12 Copies: Army Core of Engineers Fill Permit-NWP - 1 original with environmental checklist, 11 bound 12 Copies: Department of Ecology Review of NWP Permit - 1 original with environmental checklist, 11 bound 12 Copies: City of Renton letter - Shoreline/Storm water - 1 original with environmental checklist, 11 bound Remarks: Via: ❑ Sent per Your Request ❑ For Distribution ❑ Mail ® For Your Use/Reference ❑ For Your Records ❑ Courier ❑ For Review/Comment ❑ Other ® Hand Deliver ❑ For Your Signature ❑ Overnight ❑ For Your Approval ❑ Hold for Pick Up By: Royce A. Berg cc: Dean Erickson, Alper Northwest (Trans. only) l' I� Earth Consultants Inc. ) \ ) (:r sHrrilr+i<:1l IpgirurrN.Ccat)giNts A 1.1 WINNinxrwail St$1 II UIS October 13, 1999 E-1990-20 Blackriver Rivertech, LLC c/o Alper Northwest 700 Fifth Avenue, Suite 6000 Seattle, Washington 98104 DEVELOPML:1 PLANNING CITY OF RENTON Attention: Dean Erickson oc 1 t 1999 Subject: Preliminary Recommendations RECEIVED Proposed One-Story Office Building Powell Avenue Southwest Renton, Washington Dear Mr. Erickson: This letter address preliminary foundation recommendations for the subject site. We understand the development will consist of a one-story office building and associated parking. The site is located northeast of the end of Powell Avenue Southwest. The site is heavily vegetated in blackberries and trees. A wetland is located along the northern border of the site. We excavated four test pits with a trackhoe on October 12, 1999 to a maximum depth of twelve feet below the ground surface. The subsurface conditions on the site consist of eight to ten feet of loose to medium dense silt, sandy silt and silty sand (Unified Classification ML and SM) underlain by medium dense, water bearing poorly graded sand with gravel to poorly graded gravel with sand (SP and GP). Rapid groundwater seepage was encountered from eight to eleven feet below the ground surface. Based on our observations on the site, it is our opinion -the development is feasible from a geotechnical standpoint. The foundations should be supported on two feet of structural fill. Slab on grade should be supported on one foot of structural fill. Excavations should be limited to less than eight feet to avoid groundwater. The following values may be used for preliminary design purposes: Foundation Bearing Value, structural fill 2,500 psf Passive Earth Pressure 300 psf • Coefficient of Friction .35 1635•138th Place N.E.,Suhe 201, Bellevue,Washington 98005 Bellevue(425)643-3780 FAX(425)746-0860 Toll Free(888)739-6670 - Blackriver Rivertech, LLC c/o Alper Northwest E-1990-20 October 13, 1999 Page 2 ECI is currently working on a final geotechnical engineering study for the project. The opportunity to be of service is appreciated. If you have any questions, please call. Respectfully submitted, t..,- r' EARTH CONSULTANTS, INC. ;p,r ;`' ```'•'A {.',.. - L;i i �.(mil k //7 r e\i„,.,,;-1.:., t3 ,, a '0 3.',�.'• �.,- J Kristina M. Ellingson, P.E. ter`? :?_,s1-^." ' Project Engineer .,M1,'c,,,;.Qi.F`"•' 1D/13 1 -I 'EXPIRES 2/9/0l Ag-e--•-•r--t-.04.....s.„,,,,,._ Robert S. Levinson, P.E. President KM E/RSL/bkm cc: IPN Architecture and Planning, Inc. Attn: Royce Berg Earth Conaukanta, Inc. COMMUNICAT.,.N Job No. Wirth Consultantnc. RECORD Dat Phone In , Meeting ❑ Prospective Job Past Job ❑ Route To Time 12.U � m Phone Out ❑ Current Job 0 Administrative 0 Marketing 0 r L L By ICrz Ls Fil Name (Owner) R,ve_- Tech T' - _pot�e_I Ad u� S1� Person Firm Phone No. _ Royr_e_ A. ram' er �-ana Ar-r Ni-cr ir- zv� Sub'ec , 1 ce 11 ire .POr+.� cor 31.a c s2 ELY:p. "ParL Remarks ar\441 C_on 3 t a Q-��� _� T n e( e U JsJ y . pr s2C 1\ re c nt e 4-t• -I Q_rJ " Th.IIm nra r� ��Pn�-e(_h.►'1 iC't�0 Fn r-t-Re e r i ex- Cor p -ge.+r r� �)3P ``. G- 1etc10 6.oJ 1 m0 z 1c . uh►c - um c �,< . -he_ 1 Q_- &o n the R i vP ELT. ( F)n -pc Q r xQrt () CQ rLs - r a6 rio ri_A- \C - ,�u *he we j E- icnn _ -�4qo-In cAnA-er\ .\u3y 23 , I aZo ac\c1 0Deternbers 72 , . re,v I e por+s hL kia6\-icArj uSt \09 a)q)-pc)(4e cl fbn Ih � nr� t •CiAaShCUIC he- e li r'erl_ arld r tAn n a n n tCR p an9 j nae.c irk llL pmv0ed a ' m Dw-0 Action Required A). Tc) Rnv Le_ 13e_ r2-1%)(n o Action Taken DEVELOPMENT PLANNING CITY OF RFN SF P 1 L 1999- - Action RREGEIVEryte PREPARED FOR RIVERTECH ASSOCIATES 2,EVELOPMENT PLANN1NC.7 CITY OF RENTON SEP 1 u 1999 RECEIVED GEOTECHNICAL ENGINEERING STUDY RIVERTECH CORPORATE CENTER RENTON, WASHINGTON E-1990-10 December 22, 1988 aa/Len-/ /17/(c17&c: esa4 AARON MCMICHAEL 0P, \NM STAFF ENGINEER * - Y. WILLIAM CHANG, P. E. V K) 20114' ,0 <Lir 'tv PROJECT MANAGERSio - 04C) P* N AI. - g / • •••••.e.e,,, Earth Consultants, Inc. 1805 - 136th Place Northeast Suite 101 Bellevue, Washington 98005 (206) 643-3780 222 East 26th Street, Suite 103 Tacoma, Washington 98411-9998 S.77,\777)- n r7 171'N, (206) 272-6608 DECT 1988 LPN Architects & Pianriers • Robert S. Levinson President Glen Mann Vice President OP" Ralph Isaacs Chief Engineerq Earth Consultants Inc. Don Spencer Environmental Director Bill Rodgers Environmental Manager ~ otkotivhnical t:wzint•e«.( ol„gis s&riuvironnwiUHl ticirnu,cti Charles Vita Engineering Manager 'Arc ‘'gio` William Chang Engineering Manager December 22, 1988 E-1990-10 Rivertech Associates c/o The Schuman Companies 16300 Christensen Road Building #3, Suite 219 Seattle, Washington 98188 Attention: Mr. David Schuman Gentlemen: We are pleased to submit herewith our report titled "Geotechnical Engineering Study, Proposed Three-Story Office Building, Rivertech Corporate Center, Renton, Washington". This report presents the results of our engineering analyses based on the existing informa- tion about the subsurface soil conditions at the site. Earth Consultants,Inc. (ECI) previously prepared a preliminary geotechnical study for a larger parcel of land that includes this site, and presented preliminary recommendations in our report E-1990 dated April 1983. An additional report, E-1990-4 dated July 23, 1986 was prepared by ECI for the subject site for First City Equities. The purpose and scope for this study was outlined in our November 23, 1988 proposal. During August through September of 1986, approximately six (6) feet of structural fill was placed over the original ground surface, this raised the site to its present elevation of eighteen (18) feet. The structural fill was placed by Continental Dirt,Inc., and monitored for compaction by ECI per our 1986 report. After the structural fill was placed, approximately four (4) feet of surcharge was placed above the structural fill. The surcharge was left on the former building pad configuration for approximately thirty days. During the placement of the structural fill and the time the surcharge was in-place ECI monitored the induced settlements. The review of our previous site studies indicates that the site is underlain with silty sand fill, and native soils consisting of soft low plasticity silts approximately six (6) feet thick. Below the silts are loose to dense silty sands, sands, and gravels extending to the depths explored. Based on the subsurface conditions and the results of our analyses, we believe that the proposed buildings should be supported by augercast piles. The floor slab can be supported on the structural fill presently in place. 1805 136th Place N.E.,Suite 101,Bellevue,Washington 98005 222 E.26th Street,Suite 101,Tacoma,Washington 98411-9998 Bellevue(206)643-3780 Seattle(206)464-1584 FAX(206)746-0860 Tacoma(206)272-6608 Rivertech Associates E-1990-10page 2 December 22, 1988 The following sections of this report describe considerations,y nand d �nta to ldrainage, alongn twith ions regarding foundation design criteria, earthwork consider other geotechnically related aspects of this project. We appreciate this opportunity to have been of service t you during in the future initial itialpha phase th of project development, and we look forward to working o Yhave e project comes to fruition. In the meantime, should you or your consultants caly questions about the content of this report, or if we can be of further assistance, please l. Very truly yours, EARTH CONSULTANTS, INC. William Chang, P. E. Project Manager AM/WC/kml I Earth Consultants, Inc. • TABLE OF CONTENTS E-1990-10 Pane INTRODUCTION Project Description 1 Scope of Services 1 SITE CONDITIONS Surface 2 Subsurface 2 Groundwater 3 DISCUSSION AND RECOMMENDATIONS General 3 Seismic Design Considerations 4 Site Preparation and General Earthwork 5 Pile Foundations 5 Slab-on-Grade Floors 7 Settlements 7 Site Drainage 7 Pavement Areas 8 LIMITATIONS Additional Services 9 APPENDIX A - FIELD EXPLORATION AND LABORATORY TESTING ILLUSTRATIONS E-1990-10 Plate 1 Vicinity Map Plate 2 Boring Location Plan Plate 3 Legend Plates 4 through 6 Boring Logs Plate 7 Sieve Analyses Plate 8 Typical Footing Subdrain Earth Consultants, Inc. GEOTECHNICAL ENGINEERING STUDY PROPOSED THREE-STORY OFFICE BUILDING RIVERTECH CORPORATE CENTER NACHES AVENUE SOUTHWEST RENTON, WASHINGTON E-1990-10 INTRODUCTION Project Description At the time this report was prepared, the site and proposed building location was as shown . schematically on the Boring Location Plan, Plate 2. This report presents the results of our geotechnical engineering study for the Rivertech Corporate Center project. Based on our review of the proposed development plans, it is our understanding that the project will include one three-story office structure containing approximately seventy-three thousand eight hundred ninety-five (73,895) square feet of floor space. The structure will be built of steel-frame construction with concrete floor slabs. The finish floor elevation for the structure is planned at eighteen and one-half (18-1/2) feet. The remaining portions of the site will be developed with on-grade parking facilities and landscaping. From discussion with your structural engineer, Engineers Northwest, Inc., the maximum total interior and exterior column loads will not exceed three hundred (300) kips, including all dead and live load conditions. Slab loads are expected to be one hundred and fifty (150) pound per square foot. If any of the above design criteria change, we should be consulted to review the recom- mendations contained in the following report. In any case, we suggest that Earth Consultants, Inc. (ECI) be retained to perform a general review of the final design. Scope of Services We performed this study in general accordance with the scope of services outlined in our November 23, 1988 proposal. On this basis, our report addresses: o subsurface soil and groundwater conditions; o suitability of existing on-site materials for use as fill, or recommendations for imported fill materials; o site preparation, grading and earthwork procedures, including details of fill placement and compaction; Earth Consultants, Inc. • • Rivertech Associates E-1990-10 December 22, 1988 Page 2 o short-term and long-term groundwater management and erosion control measures; o foundation support alternatives, including augercast pile foundations; o estimates of potential total and differential settlement magnitudes and their rates; o parking area and access roadway design pavement sections. This report has been prepared for specific application to this project in a manner consistent with that level of care and skill ordinarily exercised by other members of the profession currently practicing under similar conditions in this area for the exclusive use of Rivertech Associates and their representatives. No other warranty, expressed or implied, is made. We recommend that this report, in its entirety, be included in the project contract documents for the information of the contractor. SITE CONDITIONS Surface As shown on the attached vicinity map, the subject site is located east of Naches Avenue Southwest in Renton, Washington. The property is bounded by Naches Avenue Southwest along the west perimeter, a commercial development along the east and south perimeters, and undeveloped wetland property along the north perimeter. The subject site has been cleared and is relatively level after being filled and surcharged. Subsurface The site was explored by drilling three test borings on July 1, 1986, at the locations shown on the Boring Location Plan,Plate 2. Please refer to the Boring Logs, Plates 4 through 6, for a more detailed description of the conditions encountered at each location explored. A description of the field exploration methods and laboratory testing program is included in the appendix of this report. The following is a generalized description of the subsurface conditions encountered. As mentioned previously, the building pad is at Elevation 18 feet. Six feet of structural fills were placed above the original ground surface at Elevation 12 feet. Earth Consultants, Inc. Rivertech Associates E-1990-10 December 22, 1988 Page 3 The subsurface information indicates that below Elevation 12 feet the proposed building location is underlain with six and one-half (6.5) feet of soft to medium stiff silts that exhibit a low to moderate plasticity. Plastic limits for the silts tested in ECI's laboratory are on the order of 4 to 12. In Borings B-1 and B-2, a layer of organic silt from four (4) to twelve (12) inches thick was present within the silts approximately three feet below the existing grades. Beneath the silts are loose to very loose silty fine sands that extended to fifteen (15) feet below the original site grade at Elevation +12 feet. Below this intermediate layer, all three borings encountered and were terminated within medium dense to dense sands and gravels. Groundwater The groundwater seepage levels observed while drilling are shown on the boring logs. Since the groundwater levels did not have time to stabilize, slotted three-quarters inch standpipes were installed in all three borings. A reading taken after the completion of the borings is also shown on the boring logs. Generally, the groundwater level was five to six feet below the original site grades. Thus, it is expected that the water table under the site is currently at a similar elevation as the wetlands. The groundwater seepage level is not static; thus one may expect fluctuations in the level depending on the season, amount of rainfall, surface water runoff, and other factors. Generally, the water level is higher in the wetter winter months. DISCUSSION AND RECOMMENDATIONS General Based on the results of our study, it is ECI's professional opinion that the compressible nature of the native silt soils require that the buildingbe supported on augercast piles. The q floor slab can be supportedexisting on the structural fill which has undergone the surcharge program described earlier. The primary geotechnical consideration on this site is the presence of approximately six (6) feet of moderately compressible soils six (6) below the existing site grade. Beneath the compressible soils are very loose to medium dense granular soils extending to a depth of ap- proximately fifteen (15) feet below the surface where competent bearing soils were encountered. Since the proposed Rivertech building is within the previously surcharged area, and that no additional surcharge will be needed for the building slab. Earth Consultants, Inc. Rivertech Associates E-1990-10 December 22, 1988 Page 4 The following sections of this report present the results of our study in further detail. Our recommendations for various geotechnical aspects of the proposed development are based on the information from the field, limited laboratory testing, and engineering analyses which should be incorporated into the project design and construction methods. Seismic Design Considerations The Puget Sound region is classified as Zone 3 by the Uniform Building Code (UBC). The largest earthquakes in the Puget Sound region have been subcrustal events, ranging in depth from fifty (50) to seventy (70) kilometers. Such deep events have exhibited no surface faulting. The existence of plastic silts and medium dense sands at the site soils diminish the potential of liquefaction occurring at the site during strong-motion earthquakes. Thus, specific earthquake hazards due to liquefaction are minimal at the site. However, the structural design needs to consider the effects of ground shaking resulting from strong motion earthquakes. Geotechnical information required for use of the UBC Earthquake regulation consists of a determination of the characteristic site period (Ts). To estimate Ts for the subject site, we have utilized method 2 of the UBC Standard No. 23-1. To develop Ts, geotechnical information and a subsurface profile extending to "bedrock" is required. Published information indicated that bedrock at the site is on the order of four hundred (400) feet deep. Borings at the site extend to a maximum depth of about thirty-eight (38) feet. To supplement this subsurface information for the probable subsurface conditions extending to depths on the order of four hundred (400) feet as developed from published subsurface and geologic data, and data from previous studies. Calculations of Ts requires the shear wave velocity at low shear strains for various soil layers. We have calculated the shear wave velocity utilizing published correlations to various soil types and soil properties such as relative density, overburden pressure, and undrained shear strength. Based on a reasonable range of shear wave velocities, as determined by these methods for the various soil layers in the soil profile extending to four hundred (400) feet, we have calculated a possible range of characteristic site periods, Ts, of about 1.2 to 1.7 seconds. Because of the uncertainties in the geotechnical profile extending to four hundred (400) feet and the reasonable variations which are conceivable for the shear wave velocity, we recommend that the structure be designed for a critical value of Ts in the range between 1.2 and 1.7 seconds. 1 Earth Consultants, Inc. • Rivertech Associates E-1990-10 December 22, 1988 Page 5 Site Preparation and General Earthwork The finish floor elevation of the proposed structure is approximately six inches higher than the present surface elevation. Thus, to achieve the proposed finish floor elevation, the building area may require the placement of a small amount of structural fill to establish the desired pad grade. All fill material used to achieve design site elevations should meet the requirements for structural fill. Structural fill is defined as any fill placed under buildings, roadways, slabs, pavements, or any other load bearing areas. The cleared ground surface where structural fill, or slabs are to be placed should be proofrolled. All proofrolling should be performed under the full-time observation of ECI's representative. Loose or soft soil areas should be removed and replaced with structural fill or crushed rock to a depth that will provide a stable base beneath the general structural fill. If loose or soft soils extend beyond a depth of three feet, then filter fabric such as Mirafi 500X may be placed over the unstable materials and backfilled with at least three feet of structural fill. Ideally, but particularly during wet weather, structural fill should comprise a free-draining, granular organic-free material with a maximum size of three inches. It should contain less than 5 percent fines (silt and clay-size particles passing the No. 200 mesh sieve). During dry weather, any compactible non-organic soil meeting the above maximum size criterion may be used as structural fill. Structural fill under floor slabs should be placed in thin horizontal lifts not exceeding ten inches in loose thickness. Each lift should be compacted to at least 95 percent of maximum dry density, as determined by ASTM Test Designation D-1557-78 (Modified Proctor). Fill under pavements and walks should be placed in similar thin horizontal lifts and, with the exception of the upper twelve (12) inches, be compacted to at least 90 percent of maximum density. The top twelve (12) inches should be compacted to at least 95 percent maximum density. We recommend that fill materials be placed and compacted in the field as close to their optimum moisture condition as possible. This will tend to help your contractor achieve compaction with a minimum of effort. The site surface soils consist of silty sand fill. These materials are moisture sensitive and will be difficult to compact during wet weather. Foundations Based on the encountered site conditions and the preliminary building design criteria, we believe that the proposed structures may be supported on augercast piles bearing in the medium dense to dense sands and gravels found at an average depth of twenty-one (21) feet below the finish grade. Earth Consultants, Inc. Rivertech Associates E-1990-10 December 22, 1988 Page 6 The augercast concrete piles should be installed with continuous flight, hollow stem auger equipment. The estimated average depth to bearing soil for this site is twenty-one (21) feet. The piles should penetrate a minimum of ten (10) feet into the bearing soil. Using a sixteen (16) inch diameter pile with ten feet of penetration into the medium dense to dense strata will result in an average pile length of thirty-one (31) feet, and an allowable capacity of fifty (50) tons may be assumed. A one third increase in the above capacities may be assumed when considering short term wind or seismic loads. The pile capacity can be increased by additional penetration into the bearing strata or by increasing the pile diameter, as presented on Table 1, Augercast Pile Capacities. TABLE 1 - AUGERCAST PILE CAPACITIES Allowable Allowable Pile Pile Embedment Downward Uplift Diameter Length Length Capacity Capacity (inches) (feet) (feet) (tons) (tons) 16 31 10 50 20 16 36 15 60 35 16 41 20 70 50 18 31 10 65 25 18 36 15 75 40 18 41 20 85 55 We estimate that total settlement of single piles will be on the order on one-half inch. Most of this settlement should occur during the construction phase as the dead loads are applied. The remaining post-construction settlement would be realized as the live-loads are applied. We estimate differential settlement over any portion of the structure should be less than about one-quarter inch. No reduction of pile capacity for group action will be necessary if the piles are spaced a minimum of three pile diameters apart (centerline-to-centerline). Lateral pile capacity is generally governed by deflections at the top of the pile which depend on the pile stiffness with respect to the surrounding soil near the upper portion of the pile, the length of the pile, and the upper portion of the pile cap. For lateral pile capacity design, a value of three tons can be used, with deflections of less than one-quarter of an inch. Passive earth pressures on the pile caps and friction between the slab and subgrade will also provide some lateral resistance. A coefficient of friction of 0.35 may be used between the floating concrete slab and subgrade. Passive earth pressures on the pile caps Earth Consultants, Inc. Rivertech Associates E-1990-10 December 22, 1988 Page 7 can be assumed to be equal to that exerted by a fluid having a density of three hundred fifty (350) pounds per cubic foot (pcf). If additional lateral load capacity is required, the piles can be battered. The batter angle should not exceed 1:5 (Horizontal:Vertical). We recommend that ECI be allowed to review the final foundation plans to confirm this assumed lateral capacity. As the completed pile below ground cannot be observed, judgement and experience must be used as the basis for determining the acceptability of a pile. Therefore, we recommend that the installation of all piles be observed by a qualified geotechnical engineer who can fully evaluate the contractor's operation, collect and interpret installation data, verify bearing stratum elevations, and who would understand the implications of variations from normal procedures with respect to the design criteria. We suggest the contractor's equipment and procedures be reviewed by ECI prior to the start of construction. Slab-on-Grade Floors Reinforced slab-on-grade floors may be supported on the structural fill. The slab should be designed to float independent of the foundation members. To avoid moisture build-up on the subgrade, the slab should be provided with a capillary break consisting of a minimum of four inches of crushed rock or free-draining sand and gravel. A vapor barrier, such as a 6 mil plastic membrane, may be placed over the capillary break beneath the slab to reduce both water vapor transmission through the slab and the resultant moisture related damage to interior furnishings. Settlements Because the building area has previously been surcharged, we estimate that the post- construction settlements due to the slab load will be less than one-half (0.5) inch. Site Drainage Groundwater was encountered in our borings at approximately six (6) feet below the original site grade previous to the placement of structural fill. Presently, it is estimated that the groundwater elevation will be about four (4) feet below site surface, based on the surface- water elevation of the wetlands located to the north of the site. However, it has been our experience that groundwater levels change significantly due to variations in rainfall amounts, surface drainage or other factors. If seepage is encountered during preparation of the building and parking areas, the site should be graded such that surface water is directed off the site and away from the top of slopes. Water should not be allowed to stand in any area where buildings, slabs or pavements are to be constructed. During construction, loose surfaces should be sealed at night by compacting the surface to reduce the potential for Earth Consultants, Inc. Rivertech Associates E-1990-10 December 22, 1988 Page 8 moisture infiltration into the soils. Final site grades should allow for drainage away from the building foundations. We suggest that the ground be sloped at a gradient of 3 percent for a distance of at least ten feet away from the buildings except in areas that are to be paved. We recommend you install footing drains around the building perimeter. These drains should consist of a four-inch minimum diameter perforated or slotted rigid drain pipe laid at, or just below, the invert of the footing with a gradient sufficient to initiate flow. The drain line should be bedded on, surrounded by, and covered with a free-draining washed rock, pea gravel, or other free-draining granular material as shown on Plate 8, Typical footing Subdrain. Once the drains are installed, with the exception of the upper twelve (12) inches, the 1 excavation can be backfilled with a granular fill material. The surficial twelve (12) inches of fill should consist of compacted and relatively impermeable soil. Under no circumstances should roof downspout drain lines be connected to the footing drain system. All roof downspouts must be separately tightlined to discharge. We recommend installing sufficient cleanouts at appropriate locations to allow for periodic maintenance of the footing drain and downspout tightline systems. We recommend the appropriate locations of subsurface drains, if needed, be established during grading operations by ECI's representative at which time the seepage areas, if present, may be more clearly defined. Pavement Areas The adequacy of site pavements is strictly related to the condition of the underlying subgrade. We recommend the subgrade be prepared as described in the Site Preparation section of this report. This means at least the top twelve (12) inches of the subgrade should be compacted to 95 percent of the maximum dry density as determined by ASTM D-1557- 78 (Modified Proctor). It is possible that some localized areas of soft, wet or unstable subgrade may still exist after this process. If so, they may require overexcavation of the unsuitable materials and their replacement with a compacted structural fill or a crushed rock. Depending on the nature of the prepared subgrade at the time of construction, it may also be necessary to use a geotechnical fabric to separate pavement materials from the underlying subgrade and to help strengthen the pavement section. The pavement section for lightly-loaded traffic and parking areas should consist of two inches of Asphalt Concrete (AC) over four inches of Crushed Rock Base (CRB) or three inches of Asphalt Treated Base (ATB). Heavier loaded areas with truck traffic require three inches of AC over six inches of CRB. We will be pleased to assist you in developing appropriate pavement sections or specifications for heavy traffic zones, if needed. Earth Consultants, Inc. Rivertech Associates E-1990-10 December 22, 1988 Page 9 LIMITATIONS Our recommendations and conclusions are based on the site materials observed, selective laboratory testing and engineering analyses, the design information provided us by your architect, and our experience and engineering judgement. The conclusions and recommendations are professional opinions derived in a manner consistent with that level of care and skill ordinarily exercised by other members of the profession currently practicing under similar conditions in this area. No warranty is expressed or implied. The recommendations submitted in this report are based upon the data obtained from the exploration borings. Soil and groundwater conditions between borings may vary from those encountered. The nature and extent of variations between our exploratory locations may not become evident until construction. If variations then appear, ECI should be requested to reevaluate the recommendations of this report and to modify or verify them in writing prior to proceeding with the construction. Additional Services We recommend that ECI be retained to perform a general review of the final design and specifications to verify that the earthwork and foundation recommendations have been properly interpreted and implemented in the design and in the construction specifications. We also recommend that ECI be retained to provide geotechnical services during construction. This is to observe compliance with the design concepts, specifications or recommendations and to allow design changes in the event subsurface conditions differ from those anticipated prior to the start of construction. Because of the settlement-sensitive nature of this project we do not accept responsibility for the performance of the foundation or earthwork unless we are retained to review the construction drawings and specifications, and to provide construction observation and testing services. Earth Consultants, Inc. 1� 4 NRr• i'i yIl y• l 1 14"Tat,MMT+... 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"`•l.�Xs••'• f-®i` I I ¢j 'S1. . �. lis N • .-✓ 4 t ,-,1 •— t _ _ ST 1 , Sr 144 N ST 'w`�PL • S 143Ro 5T •usivana.'• 1 �� 4. it € 81 0 : eS V j Reference King County / Map 34 By Thomas Brothers Maps Dated 1988 i 'AV Jai Vicinity Map I J4 "- Earth Consultants Inc. Rivertech Corporate Center \ i 1 Id!`` G•otechnical Engineers.Geologists&Environmental SCientisls Renton, Washington Proj. No. 1990-10 Drwn. GLS Date Dec. L88 Checked AM Date 12/12/88 I Plate 1 fli I---- - --C- _ ate- - -- -aim r Atiringtnn Rnilrnad Property Line N -�16.8 \ t BI50 1 Approximate Scale _.. l �—, 0 40 80 160ft. I I • + 1b., 0 B-3 . + ia.2 LEGEND l ,S B-1 Approximate Location of ECI Boring, Proj. No. E- 1990-4 , July 1986 Bldg. 1 B-2 F.F. Elev. 18.5 m Proposed Building 17.9 , I vie - _ 1B1 + Elevation Recieved from w Bush, Roed & Hitchings , w Dated Dec. 20, 1988 Q r cn 6 , Reference Job No. 88014 Site Plan By Leason Pomeroy Northwest, Inc. Dated 7/1/88 ���� ���; .���� Boring Location Plan NIi CIf0 I Earth Consultants Inc. R ivertech Corporate Center <xrraYtuiical tiiglnerrs.6,0k rgi;rs&EnsironuYKi tal&I nI,,rs Renton, Washington Proj No. 1990-10 I Drwn. GLS I Date Dec.188 Checked AM I Date 12/12/88 I Plate 2 MAJOR DIVISIONS GRAPH LETTER TYPICAL DESCRIPTION SYMBOL SYMBOL . .Qoo :o° a GW Well-Graded Gravels,Gravel-Sand Gravel o °..o. And Clean Gravels ‘,....PP...;'O'O °'°'O'O'� gw Mixtures. Little Or No Fines Gravelly (little or no fines) �.0. .•. :•• : GP Poorly-Graded Gravels,Gravel- Coarse Soils ♦ • • gp Sand Mixtures, Little Or No Fines Grained Soils More Than • a i i,i GM Silty Gravels,Gravel-Sand- 50% Coarse Gravels Withil' grp Silt Mixtures Fraction Fines(appreciable Retained On amount of fines) G• C Clayey Gravels,Gravel-Sand No. 4 Sieve J'/ // /LJ• gC Clay Mixtures Sand :oopO°°°o°° S• W Well-Graded Sands, Gravelly And Clean Sand c°°:o pO°°o SW Sands, Little Or No Fines Sandy (little or no fines) ,;•V....•t'. More Than Soils ;::: :;:••: SP Poorly-Graded Sands, Gravelly 50% Material '•'.. ' ::,•:• Sp Sands, Little Or No Fines Larger Than More Than ,:•::.:,:, ;' No.200 Sieve .,..+.,.,.,.1:i::, SM Size 50% Coarse Sands With ,;•,;a:i:):::i:1a:f:� SM Silty Sands, Sand Silt Mixtures Fraction Fines(appreciable ) Passing No.4 amount of fines) SC Sieve r SC Clayey Sands, Sand-Clay Mixtures M• L Inorganic Silts&Very Fine Sands,Rock Flour,Silty- ml Clayey Fine Sands;Clayey Silts w/Slight Plasticity Fine Silts � Grained And Liquid Limit CL Inorganic Clays Of Low To Medium Plasticity, Soils Clays Less Than 50 � / CI Gravelly Clays, Sandy Clays, Silty Clays, Lean i ; i ; i ; II OL Organic Silts And Organic . I , , I I OI Silty Clays Of Low Plasticity l MH Inorganic Silts, Micaceous Or Diatomaceous Fine More Than t m11 Sand Or Silty Soils 0.1 50% Material Silts Smaller Than Liquid Limit And Greater Than 50 CH Inorganic Clays 01 High No.200 Sieve Clays Cll Plasticity, Fat Clays Size //////' OH Organic Clays Of Medium To High i i ////� on Plasticity, Organic Silts Highly Organic Soils `—i ' PT Peat• Humus, Swamp Soils _ pt With High Organic Contents Topsoil Humus And Duff Layer Fill '0•'•_ Highly Variable Constituents P The Discussion In The Text Of This Report Is Necessary For A Proper Understanding Of The Nature Of The Material Presented In The Attached Logs Notes : Dual symbols are used to indicate borderline soil classification. Upper case letter symbols designate sample classifications based upon lab— oratory testing; lower case letter symbols designate classifications not verified by laboratory testing. I� 2"0.D. SPLIT SPOON SAMPLER C TORVANE READING, tsf 7 11 SHELBY TUBE SAMPLER OR qu PENETROMETER READING,tsf P SAMPLER PUSHED W MOISTURE, percent of dry weight '* SAMPLE NOT RECOVERED pcf DRY DENSITY,pounds per cubic ft. Q WATER LEVEL (DATE) LL LIQUID LIMIT,percent WATER OBSERVATION WELL PI PLASTIC INDEX Erh LEGEND ltants Inc. 0,11)41Conasut . Geotechnical Engineering and Geology i f Proj. No1990 101 Date Dec'88 1 Plate 3 • BORING NO. Logged By RWB Date 7/1/86 ELEV. 12± Deth W (N) Graph CS Soil Description (ft) Sample Blows (96) Ft. Ii � ml Gray mottled SILT, slightly clayey, - 42 medium stiff, low plasticity - 4 85 LL=47 i' (4" layer of organic silt) Q P1=4 f i ���:: _ 5SZ 7J3/ 2 ;: cf ` . sm Light gray silty fine SAND, wet, very - i.• •`-'= loose to loose 1 46 ` ''�1" With some organics - :iii'l::1:::: —10 = 6 36 :Al...... ::+ :: :` I 21 :▪ '' —15 r • *:;•;* sp Gray sandy GRAVEL to gravelly SAND, - wet, verydense r • .•: ': gp ��� • - 52 ' R •▪ry; —20 •4• •r • • :::: T 37 r 2 5 ✓ : s:::;::::' T 31 ✓ *: Boring terminated at 29 feet below existing grade. Groundwater encountered at 5 feet during drilling. 3/4" PVC standpipe installed to bottom of boring. Lower 15 feet slotted. Boring backfilled with cuttings. / P BORING LOG ! 1 % PROPOSED ADMAC BUILDING Earth I, II kl . RENTON, WASHINGTON Consultants Inc. :'y GEOTECHNICAL ENGINEERING & GEOLOGY Proj. No. 1990-4 1 Date July'86 I Plats 4 BuRING NO. _2_ Logged By RW11 ELEV. 111: Date 7/1 /86 I US Deth (N) W CS o Graph Soil Description • Sample Blows 111i ml Gray mottled SILT, slightly clayey, soft , 42 L I ' wet low Elasticity ' oh Gray mottled organic SILT . 3 96 qu=0.25tsf 7tly clayey, medium 77 -‘---- ----SILT, -slightly. 5 2 ml Gray3; II Push 45 ' 11 1 Uh 1 stiff, wet fr 3 33 :*: sm Light gray silty fine to medium SAND, tt t wet, loose with occasional organic —10 9 25 J i4",I: seams - I 17 15 17: SP Gray sandy GRAVEL to fine to medium --15 gp SAND, interbedded, wet, very dense 10 • Arl : . I 52 1, • *. . 0. • :": --20 _ 27 ! • :•:::-::- --25 1 1 p • A:-::::: , I T Boring terminated at 29 feet below existing grade. Groundwater encountered at 5 feet during drilling. 3/4" PVC standpipe installed to bottom of boring. lower 15 feet slotted. Boring backfilled with cuttings. 1 I I I BORING LOG . PROPOSED ADMAC BUILDING 1 1 Earth i 440! RENTON, WASHINGTON • Consultants Inc. t GEOTECHNICAL ENGINEERING & GEOLOGY Proj. No. 1990-4 Date July'86 'Plate 5 I - I • BuRING NO. ILogged By RWB Date 7/1/86 ELEV. 12± I US Graph CS Soil Description Depth Sample Blows Ft (96) II ml Gray mottled SILT, slightly clayey, . wet, very soft to soft, low to medium = 5 46 T.L=44 plasticity 5,,-., PI=12 - 4 7/3/s� 43 1.4 r _ - I sm Gray silty fine SAND with occasional 38 }.�`� organics, wet, very loose to loose ---10 ).,...1...... 5 38 1. - 9 33 1 I JJ JJ .. .. -r�#;J : - .715 .4 ::':::.� s GraygravellySAND wet medium dense r *: gP .4:: —2 0 1 :.....:" . .:' - 11 •.; --25 1 - 1 40 0.-A --30 I. • :,::1::::. 1 33 . .&.::.•;: —35 .^ . :: -sp7 Bro nn-ta fine SAND with silt, moist - :; {::::_: hi 1-- 56/6" 18 Boring terminated at 38 feet below existing grade. Groundwater encountered at 6 feet during drilling. 3/4" PVC standpipe installed to bottom of boring. Lower 15 feet slotted. Boring backfilled with cuttings. BORING LOG ) 41-Al! PROPOSED ADMAC BUILDING Earth %Inc. RENTON, WASHINGTON Consultants y GEOTECHNICAL ENGINEERING & GEOLOGY Proj. No. 1990-4I Date July'86 'plate 6 MIMI M immirs mom �. ........ .......� .�..i _ arniiii millins W met umani moomi w• SIEVE ANALYSIS HYDROMETER ANALYSIS , SIZE OF OPENING IN INCHES I NUMBER OF MESH PER INCH, U.S.STANDARD _ GRAIN SIZE IN MMa N n v co cv °J y O (0 O O p 0 0 0 0 p Cr M N O O O p M O p G) V M N N c 00 N M a (D OD O O O O p 0 O O O. O S • A 100 — A^ 0 Si) 0 �\� 2 to i 90 _— 10 lint 80 a r _ 20 O Inc * L\ --- m n m• = Z 70 -- fr -- 73 30 0 mn ` m 1 -- .— Z trip -1-1 60 — _i___ 03 m 50 _ \ ,— 50 lel, 03 ° 4/jik * .< 40 60 m \ W -I 30 70 m -, = O 20 80 -1 z - o — — 10 r 90 o x I M) 0 0 0 I IIIII l_I I fl FF f-r T I `TT Tf T 1—' 1 1 1 1 1 100 - r i rU O O O O 0 0 O 0 OWW O M N .— C. (1). of (I N 00 8p p Cl N OD (9 a Cl N �^ Z 0 CO,� 0 0 O (O at C) N .— O O O O O O O O O O O O Horn D GRAIN SIZE IN MILLIMETERS . o 0 0 0 0 0 0 Z cu 70 COARSE I FINE COARSE j MEDIUM I FINE CDyy cn COBBLES GRAVEL SAND L FINES G N 4 m G r , Z Boring or DEPTH Moisture D KEY Test Pit No. USCS DESCRIPTION o LL PL (ft.) Content (/o) am H r+ 0r to Z z ccnn 0 B-2 17.0 SP gravelly SAND ET 0 co ——" B-3 10.0 SM silty SAND 38 I , SCHEMATIC ONLY - NOT TO SCALE INOT A CONSTRUCTION DRAWING le °SLOPE TO DRAIN ° o6 inch min • ...... ._ .,..• ."% •ems • 77 o18 inch min. • ' ' • ' • •I 4 inch min. ° o , diameter f' - •: _' ° •° `. ° ' ' ° ° o• 1 t 2 inch min. 2 inch min./ 4 inch max. 12 inch min. I I LEGEND Surface seal; native soil or other low permeability material. _ Gravel backfill for walls ; WDOT Standard Specifications, :-. Section 9-03. 12121 , or Fine Aggregate for Portlind Cement Concrete ; Section 9-03.1 121. IO Drain pipe; perforated or slotted rigid PVC pipe laid with perforations or slots facing down; tight jointed ; with a I positive gradient. Do not use flexible corrugated plastic pipe. Do not tie building downspout drains into footing lines. I - - - Impermeable visqeen barrier or other impermeable material approved by Geotechnical Engineer. TYPICAL FOOTING SUBDRAIN DETAIL Earth i # Consultants Inc. RIVERTECH CORPORATE CENTER Consulting Engineers,Geologists RENTON, WASHINGTON U Environmental Scientists Proj. No. 1990-10I Drwn. GLS I Date Dec'88 Checked I Dated Dec'88 1 Plate 8 JEVELO[Jf ;�NT PLANNI•."- CITY OF RENTON SEP 1 0 1999 RECEIVED GEOTECHNICAL ENGINEERING STUDY ADMAC BUILDING BLACK RIVER CORPORATE PARK RENTON, WASHINGTON E-1990-4 FOR FIRST CITY EQUITIES pggilawn JUL /11986 LPN Architects & Planners Aot Earth4) k 11 Consultants Inc. r Geotechnical Engineering and Geology July 23, 1986 E-1990-4 First City Equities 800-5th Avenue, Suite 4170 Seattle, Washington 98165 Attention: Ms. Barbara Moss Gentlemen: Earth Consultants, Inc. (ECI) is pleased to submit herewith our report entitled "Geotechnical Engineering Study, ADMAC Building, Black River Corporate Park, Renton, Washington. " This report presents the results of our field exploration, laboratory tests, and engineering analysis . The purpose and scope of our study was outlined in our proposal dated May 21, 1986. ECI previously prepared a preliminary geotechnical study for a larger parcel of land that includes this site and presented preliminary recommendations in ECI' s report E-1990 dated April 1983. The results of ECI ' s study indicate that the site is immdiately underlain by up to fifteen (15) feet of loose alluvial soils. The upper six feet of these alluvial soils are moderately compressible. Under the weight of the seven feet of fills proposed for the building area, ECI anticipates that settlements on the order of three to five inches may occur. Construction should be delayed until these settlements have stabilized. To compensate for settlements, the building area should be overbuilt by at least one foot. Additional three to four feet of surcharge may be placed to accelerate the settlements . This report has been prepared for specific application to this project in accordance with generally `accepted geotechnical engineering practices for the exclusive use of First City Equities and their representatives. No other warranty, expressed or implied, is made. We recommend that this report, in its entirety, be included in the project contract documents for the information of the contractor. The following sections of this report describe our study and contain recommendations regarding foundation design criteria, earthwork considerations , and site drainage. 1805 136th Place N.E., Suite 101, Bellevue,Washington 98005/Bellevue (206)643-3780/Seattle (206) 464-1584 First City Equities E-1990-4 July 23, 1986 Page 2 PROJECT DESCRIPTION At the time our study was performed, the site and proposed building location were as shown schematically on the Boring and Test Pit Location Plan, Plate 2. Based on our discussions with you, your architect and civil engineer, we understand that it is planned to construct a two-story office/warehouse tilt-up structure on the site. The slab will be on-grade. Loads are anticipated to be on the order of 150 kips dead plus live load on individual columns, 3 kips per lineal foot for perimeter walls and two hundred fifty (250) pounds per square foot (psf) for slab loads . Finish floor is planned to be at Elev. 19 which will require up to seven feet of fill to prepare the site for construction. These fills are required to provide adequate gradients for sanitary and storm sewers and to get the site above potential floods. If any of the above design criteria change, we should be consulted to review the recommendations contained in this report. In any case, it is recommended that ECI provide a general review of the final design. SITE CONDITIONS Surface As shown on the attached vicinity map, the site is located adjacent to the northern end of Powell Avenue Southwest in Renton, Washington. Existing site conditions and topography are schematically presented on the Boring and Test Pit Location Plan, Plate 2 . Generally, the site is a typical second growth forest in a relatively flat low lying area. This area is the flood plain of the now abandoned Black River. Subsurface The site was explored by drilling three test borings at the locations shown on Plate 2. Test pits excavated for our earlier report are also shown on Plate 2. Please refer to the Boring Logs, Plates 4 through 6, for a detailed description of the conditions encountered at each location explored. A description of the field exploration methods and laboratory testing program is included in this report following the Discussion and Recommendations section. The following is a generalized description of the subsurface conditions encountered. Generally, the site is immediately underlain by six and one-half feet of medium stiff silts that exhibit low to moderate Earth Consultants, Inc. First City Equities E-1990-4 July 23, 1986 Page 3 plasticity. Plastic limits for the silts tested in ECI ' s laboratory are on the order of 4 to 12. In Borings B-1 and B-2, a layer of organic silt from four inches to one foot in thickness was present within the silts approximately three feet below existing grades. Beneath this surficial layer, ECI' s borings encountered loose to very loose silty fine sands that extended to fifteen (15) feet below existing grades. These surficial soils were also encountered in ECI 's previous test pits on this site. Beneath this intermediate layer, all three borings encountered and were terminated within medium dense to dense sands and gravels . Groundwater The groundwater seepage levels observed while drilling are shown on the boring logs. Since the groundwater levels did not have time to stabilize, slotted pipe standpipes were installed in Borings B-1 through B-3. Readings taken after the completion of the borings are also shown on the boring logs . Generally, groundwater was five to six feet below existing grades (Elev. 6t) . The groundwater seepage level is not static, thus one may expect • fluctuations in the level depending on the amount of rainfall, surface water runoff, and other factors . Generally the water level is higher in the wetter winter months. DISCUSSION AND RECOMMENDATIONS General Based on soils observed in the subsurface exploration and ECI 's geotechnical analysis, it is ECI ' s professional opinion that the site may be developed as planned provided the geotechnical recommendations contained in this report are incorporated into site development plans. The primary geotechnical consideration on this site is the • presence of up to six and one-half feet of moderately, • compressible soils immediately below existing grades . These soils may undergo settlements on the order of three to five inches under the weight of the proposed fills. ECI recommends that the fills be placed and be monitored for settlements. Construction of the building should be deferred until all settlements due to the weight of the fills have stabilized. To compensate for the settlements, the building area and proposed expansion area should be overbuilt by at least one foot. ECI anticipates that the . settlements due to the weight of the fills should occur within • eight weeks. To accelerate these settlements, an additional three Earth Consultants, Inc. First City Equities E-1990-4 July 23, 1986 Page 4 to four feet of surcharge may be placed within the building area. The estimated surcharge time period is approximately four weeks . The fine-grained native near surface soil will be highly susceptible to softening under construction and earth moving equipment. Provided the finish floor elevation remains at Elev. 19, the site should be cleared of all vegetation by mowing and all trees should be cut flush with existing grade leaving all root mats intact. All debris from clearing should be removed from beneath parking and building areas . Structural fill may then be placed on the resulting subgrade. If the root mat is broken, it may be necessary to place geotextile on the subgrade prior to placing structural fill. The following sections present ECI' s recommendations in more detail. Foundations The proposed structure may be supported on conventional conti- nuous and spread footings bearing on structural fill placed to raise site grades to Elev. 19. Fill placed under footings should extend outwards from the edge of the footings at least a distance equal to the depth of the fill beneath the footings. Exterior footings should be bottomed at a minimum depth of eighteen (18) inches below the lowest adjacent outside finish grade. Interior footings may be at a depth of eighteen (18) inches below the top of the slab. Footings bearing on structural fill should be designed for a bearing pressure of twenty five hundred (2500) psf . Continuous and individual spread footings should have minimum widths of twelve (12) and eighteen (18) inches, respectively. A one-third increase in the above bearing pressures may be used when considering short term wind or seismic loads . For the above design criteria, it is anticipated that total settlements of footings founded on fills less than seven feet in thickness will be about one inch, with differential settlements of one-half inch. Almost all settlements should occur during con- struction. These amounts are based on the completion of all settlements due to the placement of fills prior to the construction of the building. Lateral loads due to wind or seismic forces may be resisted by friction between the foundations and the supporting compacted fill subgrade or by passive earth pressure on the foundations. For the latter, the foundations must be poured "neat" against the existing soil or backfilled with a compacted fill meeting the requirements of structural fill. A coefficient of friction of 0.35 may be used between the structural foundation concrete and the supporting subgrade. The passive resistance of undisturbed natural soils and Earth Consultants, Inc. First City Equities E-1990-4 July 23, 1986 Page 5 well compacted fill may be taken as equal to the pressure of a fluid having a density of three hundred fifty (350) pounds per cubic foot (pcf) . We recommend that drains be placed around all perimeter foot- ings. The drains should be constructed with a four inch diameter perforated pipe bedded and covered with free draining gravel. The drains should have a positive gradient towards suitable discharge facilities. The footing drainage system should not be tied into the roof drainage system until the drains are tightlined well away from the building. The footing excavation should be backfilled with granular soil except for the top foot which should be backfilled with a relatively impermeable soil such as silt, clay or topsoil. Alternatively, the surface can be sealed with asphalt or concrete pavements . Settlement Monitoring Prior to placement of the fill, we recommend installation of at least four settlement markers within the building area. These markers should be protected from disturbance by construction equipment. Contracts with earthmoving subcontractors may include a monetary charge in the event that their operations damage these settlement markers. In addition, these markers should be surveyed by ECI personnel or a licensed surveyor during fill placement and at intervals of 2, 4, 8, 16 (so forth) days after completion of the fill placement. The initial reading should show the natural ground elevation, and readings taken during fill placement should show the fill thickness . The settlement readings should be evaluated by ECI. Construction of the building and placement of settlement sensitive utilities may commence when the required settlement has been reached. We estimate that the fill will need to remain in place approximately three to nine weeks to permit primary settlements to be completed, after which building construction may be started. Slab-on-Grade Floors Slab-on-grade floors may be supported on structural fill. The slab should be provided with a minimum of four inches of free draining sand or gravel. We also recommend that a vapor barrier such as a 6 mil plastic membrane be placed beneath the slab to reduce water vapor transmission through the slab and the resultant moisture accumulation. Two inches of sand may be placed over the membrane for protection during construction and to aid in curing of the concrete. Earth Consultants, Inc. First City Equities E-1990-4 July 23, 1986 Page 6 Excavations and Slopes In no case should excavation slopes be greater than the limits specified in local, state and national government safety regula- tions . Temporary cuts greater than four feet in height should have an inclination no steeper than 1 :1 (Horizontal:Vertical) . As an alternate to open cuts, temporary shoring can be used in conjunction with vertical cuts. Detailed criteria for shoring systems can be developed later, if needed. All permanent fill slopes should be inclined no steeper than 2:1 (H:V) . These recommendations are applicable to slopes with a maximum height of seven feet. If higher slopes are anticipated, we should be contacted for the appropriate design and construction criteria. In any case, water should not be allowed to flow uncontrolled over the top of any slopes. All permanently exposed slopes should be seeded with an appropriate species of vegetation to reduce erosion and improve stability of the surficial layer of soil. Site Drainage Groundwater was encountered in our borings at depths ranging from five to six feet. However, it has been our experience that groundwater levels change significantly due to changes in rainfall amounts, surface drainage or other factors . If seepage is encountered in excavations, the water should be drained away from the site by use of drainage ditches, perforated pipe or French drains, or by pumping from sumps interconnected by shallow connector trenches at the bottom of the excavation. We suggest that appropriate locations of subsurface drains, if needed, be established during grading operations by a represen- tative of ECI, at which time the seepage areas, if present, may be more clearly defined. The excavation and site should be graded so that surface water is directed off the site and away from the tops of slopes . Water should not be allowed to stand in any area where buildings, slabs, or pavements are to be constructed. During construction, loose surfaces should be sealed at night by compacting the surface soils to reduce the infiltration of rain into the soils . Final site grades should allow for drainage away from the building founda- tions. We suggest that the ground be sloped 3 percent for a distance of at least ten feet away from the buildings except in areas that are to be paved. Pavement Areas All parking and roadway areas may be supported on structural fill or existing fills provided these soils can be compacted to 95 Earth Consultants, Inc. First City Equities E-1990-4 July 23, 1986 Page 7 percent density and are stable at the time of construction. Structural fill and/or fabric may be needed to stabilize soft, wet or unstable areas . In most instances twelve (12) inches of granular fill will stabilize the subgrade except for very soft areas where additional fill could be required. The upper twelve (12) inches of pavement subgrade should be compacted to at least 95 percent of the maximum density. Below this level a compactive effort of 90 percent would be adequate. The pavement section for lightly loaded traffic and parking areas should consist of two inches of asphalt concrete (AC) over four inches of crushed rock base (CRB) or three inches of asphalt treated base (ATB) . Heavier loaded areas would require thicker sections. We will be pleased to assist you in developing appropriate pavement sections or specifications for heavy traffic zones , if needed. Site Preparation and General Earthwork The building and pavement areas should be cleared of all trees, surface vegetation and any other deleterious material. The root mat should be left in place. Clearing debris should be removed from the site or stockpiled for later use in landscaping, if desired. Stripped materials should not be mixed with any materials to be used as structural fill. Structural fill is defined as any fill placed under buildings, roadways, slabs, pavements, or any other load bearing areas . Following the clearing operation, the ground surface where structural fill, foundations, or slabs are to be placed should be proofrolled. All proofrolling should be performed under the observation of a representative of ECI. Soil in any loose or soft areas may need to be removed and replaced with structural fill to a depth that will provide a stable base beneath the general structural fill. Structural fill under floor slabs and footings should be 7 placed in horizontal lifts and compacted to a minimum _90 percent of the maximum dry density in accordance with ASTM Test Designa- tion D-1557-78 (Modified Proctor) . The fill materials should be placed at or near the optimum moisture content. Fill under pavements and walks should also be placed in horizontal lifts and compacted to 90 percent of maximum density except for the top twelve (12) inches which should be compacted to 95 percent of maximum density. Ideally, structural fill which is to be placed in wet weather should consist of a granular material with a maximum size of three inches and no more than 5 percent fines passing the No. 200 sieve. During dry weather, any compactible predominately granular non-organic soil can be used as structural fill. Earth Consultants, Inc. First City Equities E-1990-4 July 23, 1986 Page 8 FIELD EXPLORATION AND LABORATORY TESTING Our field exploration was performed on July 1, 1986. Subsurface conditions at the site were explored by drilling three borings to a maximum depth of thirty eight (38) feet below the existing grade. The borings were drilled by Drilling Unlimited using a truck-mounted drill rig. Continuous flight, hollow stem augers were used to advance and support the boreholes during sampling. The locations of the borings were approximately determined by taping from the northern end of Powell Avenue Southwest. Elevations of borings were approximately determined by interpolation between plan contours. The locations and elevations of the borings should be considered accurate only to the degree implied by the method used. These locations are shown on the Boring and Test Pit Location Plan, Plate 2. The field exploration was continuously monitored by a senior soils technician from our firm who classified the soils encountered and maintained a log of each boring, obtained representative samples, measured groundwater levels, and observed pertinent site features . Slotted standpipes were installed in Borings B-1 through B-3 to monitor groundwater levels . All samples were visually classified in accordance with the Unified Soil Classification System which is presented on Plate 3, Legend. Logs of the borings are presented on Plates 4 through 6. The final logs represent our interpretations of the field logs and the results of the laboratory examination and tests of field samples . The stratification lines on the logs represent the approximate boundary between soil types. In actuality, the transition may be gradual. In each boring, Standard Penetration Tests (SPT) were per- formed at selected intervals in accordance with ASTM Test Designa- tion D-1586. In addition, a Shelby tube sampler was used to obtain less disturbed soil samples at selected depths . The split spoon samples were driven with a one hundred forty (140) pound hammer falling thirty (30) inches . Shear strengths of undisturbed soils were measured where prac- tical in the field with a penetrometer. These results are recorded on the boring logs at the appropriate sample depth. Representative soil samples were placed in closed containers and returned to our laboratory for further examination and test- ing. Visual classifications were supplemented by index tests such as sieve analyses and Atterberg Limits on representative samples . Unit weight and moisture determinations were performed on all undisturbed samples. Additionally, moisture contents were performed on all disturbed samples. Results of density and mois- ture determinations, together with classifications, are shown on the boring logs included in this report. The results of the sieve analyses are illustrated on Plate 7, Grain Size Analyses . Earth Consultants, Inc. First City Equities E-1990-4 July 23, 1986 Page 9 LIMITATIONS Our recommendations and conclusions are based on the site materials observed, selective laboratory testing and engineering analyses. The conclusions and recommendations are professional opinions derived in accordance with current standards of practice. No warranty is expressed or implied. The recommendations submitted in this report are based upon the data obtained from the borings and test pits. Soil and ground- water conditions between borings and test pits may vary from those encountered by the borings and test pits . The nature and extent of variations between borings and test pits may not become evident until construction. If variations then appear, ECI should be allowed to reevaluate the recommendations of this report prior to proceeding with the construction. Additional Services It is recommended that ECI provide a general review of the final design and specifications to verify that the earthwork and foundation recommendations have been properly interpreted and implemented in the design and in the construction specifications. It is also recommended that ECI be retained to provide geotechnical services during construction. This is to observe compliance with the design concepts, specifications or rec- ommendations and to allow design changes in the event subsurface conditions differ from those anticipated prior to the start of con- struction. The following plates are attached and complete this report: Plate 1 Vicinity Map Plate 2 Boring and Test Pit Location Plan Plate 3 Legend Plates 4 through 6 Boring Logs Plate 7 Grain Size Analyses Respectfully submitted, EARTH CONSULTANTS, INC. aorvz, . 47 (WC_ ra\"�P Ish Cy4, Charles R. Lie 6 �c, Engineering Geologist 20114 �o ei William Chang, P. . 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ST // .If°•.. /.Tr,. , 4.e cL R' ` .. 57 i III .`'�a �A��Att"T rOl�� 4 '\ '.sb Wy�>:�i• "'� af�.ie�, 4M aS` .. t.T�...i� •� ii 1,�. 1`'./ 9 _ i s 1116 s, oo 0 %/ tEgl Colt 'Po — t3 �` a o,-,,` .y L�3n.F� Au � •; Course.:,� T BL"�4f'46, ��N�'OF �'� M T 0 �� ia"'j sr c u45 PC .j`''"" ;tip N "' ` RIVER `f -s EARS GTt Ny s �t�f�^ix.c ,,� "` +E.© 3�� 4. I1llig dCT �, ..' 'n� + y srr��a i sTN ' n ` in ll. 2. 5' 5Viap ` s 1g3nD 5T . i � d s< ; • ~Itq . ST la , ;; if I Sell i...,, f iILVTTN • $ I _. _ .. ...MN: .0 RT Reference King County / Map 34 By Thomas Brothers Maps Dated 1986 i1•, 1; Vicinity Map Earth + fii Proposed ADMAC Building Consultants Inc.\ ') / Ili Renton, Washington It GEOTECHNICAL ENGINEERING 6 GEOLOGY Proj. No. 1990-4 I Date July 186 I Plate I MAJOR DIVISIONS GRAPH LETTER TYPICAL DESCRIPTION SYMBOL SYMBOL Gravel +• ; • ..• GIN Well-Graded Gravels,Gravel-Sand And �•'•' '� Mixtures. Little Or No Fines Gravelly Clean Gravels gW Coarse (little or no tines) ♦0 - : . : ' Graded Gravels.Gravel- Soils • • • • � GP Poorly Grained gp Sand Mixtures, Little Or No Fines Soils More Than ICI* LJ T 50% Coarse * II'. GM Silty Gravels,Gravel-Sand- Fraction Gravels With II gm Silt Mixtures Fines(appreciable Retained On amount of lines) GC Clayey Gravels,Gravel-Sand- No. 4 Sieve gc Clay Mixtures Sand °°o,°o°Oo°, SW Well-Graded Sands. Gravelly And Clean Sand ° °° o p0o°° SW Sands, Little Or No Fines Sandy (little or no fines) ,. •..!.q'. •r More Than Soils • : SP Poorly-Graded Sands, Gravelly 50% Material • • ••••••• sp Sands, Little Or No Fines Larger Than � � .• No.200 Sieve More Than Size 50% Coarse Sands With • Sly' Sm Silty Sands. Sand- Silt Mixtures Fraction Fines(appreciable ry Passing No.4 amount of lines) 7y1 Sievet Y►' SC SC Clayey Sands, Sand-Clay Mixtures ML / Inorganic Silts&Very Fine Sands,Rock Flour,Silty- i ml Clayey Fine Sands;Clayey Silts w!Slight Plasticity Fine SiltsLiquid Limit CL Inorganic Clays Of Low To Medium Plasticity. Grained And Less Than 50 CI Gravelly Clays. Sandy Clays. Silty Clays. Lean - Soils Clays f I OL / Organic Silts And Organic 1 1 I % 01 Silty Clays Of Low Plasticity More Than lip' MH Inorganic Silts. Micaceous Or Diatomaceous Fine 50% Material Siltsmh Sand Or Silty Soils Smaller Than Liquid Limit No.200 Sieve And Greater Than 50 CH� Inorganic Clays Of High Size Clays ch Plasticity. Fat Clays 4— lfOH Organic Clays Of Medium To High � ��_.- oh Plasticity, Organic Silts -'• - PT Peat, Humus. Swamp Soils Highly Organic Soils = pt With High Organic Contents Topsoil Humus And Duff Layer k Fill Highly Variable Constituents x The Discussion In The Text Of This Report Is Necessary For A Proper Understanding Of The Nature Of The Material Presented In The Attached Logs Notes : Dual symbols are used to indicate borderline soil classification. Upper case letter symbols designate sample classifications based upon lab- oratory testing; lower case letter symbols designate classifications not verified by laboratory testing. I 2-0.D. SPLIT SPOON SAMPLER C TORVANE READING, tsf 7T 2.4'I.D. RING SAMPLER OR 11 SHELBY TUBE SAMPLER qu PENETROMETER READING,tsf P SAMPLER PUSHED W MOISTURE. percent of dry weight + SAMPLE NOT RECOVERED pcf DRY DENSITY,pounds per cubic ft. Q WATER LEVEL (DATE) LL LIQUID LIMIT,percent WATER OBSERVATION WELL P1 PLASTIC INDEX LEGEND Earth Consultants Inc. • GEOTECHNICAL ENGINEERING & GEOLOGY Proj. No. 1990_jDate July'86 IP1te 3 BORING NO. Logged By RWB Date_7/1/86 ELEV. 12± Graph US (N) Soil Description Depth Sample Blows W (ft.) Ft. (%) ml Gray mottled SILT, slightly clayey, medium stiff, low plasticity 42 (4" layer of organic silt) :I: 4 85 LL=47 �r.t�� Q PI=4 ti ..�c.ti�ti 52 7/3/8 2 MM ZZ sm Light gray silty fine SAND, wet, very::':' :'; loose to loose �.... 1 46 With some organics —10 6 36 ta-~" __ : 21 6 •A'.. sp Gray sandy GRAVEL to gravelly SAND, - 15 • ": :: gp wet, very dense !� � = 52' a1;a' —20 a • •i: . !�+� _ = 37 •i13 �-25 II • • 31 Boring terminated at 29 feet below existing grade. Groundwater encountered at 5 feet during drilling. 3/4" PVC standpipe installed to bottom of boring. Lower 15 feet slotted. Boring backfilled with cuttings. i BORING LOG Alt PROPOSED ADMAC BUILDING RENTON, WASHINGTON co Earth � " q", GEOTECHNICAL ENGINEERING & GEOLOGY Proj. No. 1990-4 I Date July'86 [Plate 4 buRING NO. 2 Logged By RWB Date 7/1/Fi6 ELEV. 11± Graph CS Soil Description D`eftp)h Sample Blows % Ft. ml Gray mottled SILT, slightly clayey, soft 42 ___ wets low plasticity . oh Gray mottled organic SILT - 3 96 qu=0.25tsf - -N_ 52 %/3/1; 7 ml Gray SILT, slightly clayey, medium Push 45 kt.... w I stiff, wet �" 3 33 sm Light gray silty fine to medium SAND, - .. , wet, loose with occasional organic ^10 = 9 25 .*:: >:: seams J1J1I J J J . .' r�-= - -; - 17 15 1: :e::::: - SP Gray sandy GRAVEL to fine to medium --15 •4.: gp SAND, interbedded, wet, very dense r - •i' - = 52 .is - .i.s - i• y: I 27 . : ' : 25 i. : •+.:::.: - T 43 Boring terminated at 29 feet below existing grade. Groundwater encountered at 5 feet during drilling. 3/4" PVC standpipe installed to bottom of boring. lower 15 feet slotted. Boring backfilled with cuttings. // BORING LOG i glf. /64 PROPOSED ADMAC BUILDING Earth it 411 RENTON, WASHINGTON Consultants Inc. GEOTECHNICAL ENGINEERING & GEOLOGY Proj. No. 1990-4 Date July'86 [Plate 5 ., BORING NO. _____a____ Logged By RWB Date 7/1/86 ELEV. 12± US (N) Graph cs Soil Description D(ePth Sample Blows (%) i Ft. ml Gray mottled SILT, slightly clayey, . wet, very soft to soft, low to medium I 5 46 LL=44 plasticity ` 5 PI=12 - 117 7/3/T 43 J.JJ.J. 1 Jll'JJJ I, �. llltilllll sm Gray silty fine SAND with occasional 38 organics, wet, very loose to loose —10 5 38 I 9 33 JIJJI.tilll. k: 'l. —15 •. : f' ;::� sp Gray gravelly SAND, wet, medium dense - _L_ 21 .4. ..%... gp _r - .�. .• ••• —20 - r s i. �� - Z 11 � O� —25 ::: —30 .1. 1 33 � �;: —35 Il '''' ' -sp7 gown-tari fine SAND with silt, moist •!-f•!iT •;:.. • sm r 5 6/6" 18 Boring terminated at 38 feet below existing grade. Groundwater encountered at 6 feet during drilling. 3/4" PVC standpipe installed to bottom of boring. Lower 15 feet slotted. Boring backfilled with cuttings. e BORING LOG /1 PROPOSED ADMAC BUILDING Earth i ‘11)fi RENTON, WASHINGTON Consultants Inc. GEOTECHNICAL ENGINEERING a GEOLOGY Proj. No. 1990-41 Date July'86 'Plate 6 SIEVE ANALYSIS HYDROMETER ANALYSIS SIZE OF OPENING IN INCHES I NUMBER OF MESH PER INCH, U.S.STANDARD GRAIN SIZE IN MM ,N.. �v_v v m N �° .o O co O O 0 0 O O O (ID V M N O O O p M O - p 0 co tt M N r) uj r> 00.- N M S co co O c O. 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Box 86101 t U ;i Seattle, Washington 98166 Attention: Mr. Del Bonds Subject : Preliminary Geotechnical Engineering Study Black River Office Park Powell Avenue Southwest Renton, Washington Gentlemen: At your request and within the scope of our proposal dated March 22, 1983 this report presents the results of our Preliminary Geotechnical Engineering Study for the subject project . The purpose of this study was to explore the subsurface soil conditions and to provide preliminary recommendations for preliminary foundation design and the site preparation for the site development process . Further engineering studies will be required when plans have been finalized and building locations and grades are established . The scope of our study included test pits , borings, laboratory tests , geotechnical engineering analyses and the preparation of this report . Our study indicates that the site is immediately underlain by fine grained compressible soils . The depth of these soils varied across"-the site, but in general, they ranged from about five _ (_5, _ to thirteen ( 13 ) feet in depth. Beneath the compressible soils was - -loose to medium dense silts and sands over dense silts and sands with varying amounts of gravel . The static water level measured at the boring locations was approximately two feet below the existing grade in most areas where there was not standing water. Based on our exploration, development of the site as an office/- warehouse complex is feasible . From a geotechnical view, the primary design consideration is the existing Eine grained compressible soils. These soils are not suitable Eor foundation support and will make site preparation difficult, especially during periods of rainy weather. We anticipate significant settlement under fill and build- ing loads . For planning purposes, it may be assumed that office structures and/or lightly loaded office/warehouse structures may be 1805 - 13'6th Place N.E., Suite 101, Bellevue, Washington 98005 Phone: (206) 643-3780/Seattle (206) 464-1584 4110 Alterra Corporation E-1990 May 10, 1983 Page 2 supported on pile or augercast pier foundations or conventional spread footings bearing on a structural fill mat. For a pile or pier supported foundation, the piles or piers should be extended through the compressible surface soils into the underlying dense silts and sands . Since significant settlement may occur as a result of fill and building loads, a conventional spread footing supported building would require that the building area be preloaded with a surcharge load to compress the soils prior to construction. • We suggest that the site be drained using interceptor trenches as soon as possible to drain much of the standing water off the site . Roads should be constructed as soon as possible to allow for settlement prior to paving and placement of utilities. PROJECT DESCRIPTION At the time our study was performed, the site was as shown schematically on the Boring and Test Pit Location Plan , Plate 1. This is based on a site survey plan by Triad Associates dated April 1, 1983 . The project was in the preliminary design stage at the time of - our study. It was our understanding that the study area is to be developed as a light industrial park comprised of office/warehouse structures. Fills on the order of five to ten feet are planned for much of the site to raise the site to a proposed building grade of about Elev. 18 to 20. A large detention pond is to be developed in the western portion of the site. Development plans call for the excavated material to be placed in the study area or disposed of by ' the developers . If any of the above design criteria change, we should be con- sulted to review the recommendations contained in this report. In any case, it is recommended that Earth Consultants, Inc . be provided the opportunity for a general review of final design. FIELD EXPLORATION AND LABORATORY TESTING Our field exploration was performed from April 1 through April 12, 1983. Subsurface conditions at the site were explored by drilling six borings to a maximum depth of forty-nine (49 ) feet below existing grades and excavating twenty-six (26 ) test pits . The borings were drilled using a truck-mounted drill rig . Continuous flight, hollow stem augers were used to advance and support the boreholes during sampling . The test pits were excavated using a rubber tired backhoe . The locations of the borings and test pits were determined by approximating site features. Elevations of borings are approximately determined by interpolation between plan contours . Therefore, the locations and elevations of the borings and test pits should be considered approximate only. These locations are shown on the Boring and Test Pit Location Plan, Plate 1. Earth Consultants, Inc. Alterra Corporation E-1990 May 10, 1983 Page 3 The field exploration was continuously monitored by a staff engineer from our firm who classified the soils encountered, main- tained a log of each boring and test pit, obtained representative samples, measured groundwater levels, and observed pertinent site fea- tures. Observation wells were installed in all of the borings except Boring B-2 so that groundwater levels could be monitored. All samples were visually classified in accordance with the Unified Soil Classification System which is presented on Plate 2, Legend. Logs of the borings and test pits are presented on Plates 3 through 23 . The final logs represent our interpretation of the field logs and the results of the laboratory examination and tests of field samples . In each boring, Standard Penetration Tests (SPT) were performed at selected intervals in accordance with ASTM Test Designation D-1586 . In addition, a 2. 4 inch I. D. ring sampler and 2. 5 inch shelby tube was used to obtain less disturbed soil samples at selected depths. Shear strengths of the soils were measured where practical in the field with a penetrometer . These results are recorded on the boring logs at the appropriate sample depth . Representative soil samples were placed in closed containers and returned to our laboratory for further examination and testing . Visual classifications were supplemented by index tests such as sieve analyses and Atterberg Limits on representative samples . Field unit weight and moisture determinations were performed on undisturbed samples, and moisture contents on all disturbed samples . Results of density and moisture determinations, together with classifications, are shown on the boring logs included in this report . The results of the sieve and hydrometer analyses are illustrated on Plates 24 and 25. SITE CONDITIONS Surface The site is located in Renton, Washington . Irregular in shape, it covers approximately 71 acres . The site is bordered by the Burlington-Northern right-of-way to the north and the Earlington Park development to the south. There is a cover of brush and grass, and a variety of soft wood trees on the site . The Black River flows west along the western portion of the southern property boundary. Approximately ten ( 10 ) to sixteen ( 16 ) feet of fills have been placed along the northern margin parallel to the railroad tracks . About four._ feet of fill has been placed in the western portion in the proposed retention pond area. In addition, some fills appear to have been placed along the southern margin parallel to the Black River . . These fills may be spoils from dredging the river. The approximate location of the fills are shown on Plate 1 . Earth Consultants, Inc. 1111 Alterra Corporation E-1990 May 10, 1983 Page 4 At the time of our field exploration, the central area of the site was ponded with standing water. Much of the water was one to three feet deep, however, in some areas the depths were greater than four feet . Surface water was observed flowing onto the site from two twelve (12) inch drains under the railroad along the northern margin. Subsurface The site is immediately underlain by approximately five . (5)* to thirteen ( 13) feet of soft to stiff clayey . silt. Beneath the clayey silt is loose to medium dense silts to silty sands over dense sands with varying amounts of silts and gravel . The depth at which the dense sands were encountered was about twelve ( 12) to twenty ( 20 ) feet below the general site grade (Elev. 0 to -8) . Borings B-1 through B-3 were located over the northern site margin fills and encountered six ( 6) to twelve ( 12) feet of fill consisting of clayey silt to silty sand with gravel and varying amounts of debris including wood and concrete. Boring B-6, placed in the proposed retention pond area encountered approximately six feet of sandy silt fill. Test pits in this area encountered three to six feet of fill varying from sandy silt to gravelly silty sand and silty clay. A lens of medium stiff fibrous peat approximately two feet thick was encountered at a depth of four feet in Test Pit TP-3. This was a generalized description of subsurface conditions, more specific descriptions are presented on the boring logs. Observation wells were placed in each boring except Boring B-2. Groundwater was measured in each observation well and is presented on the boring logs. DISCUSSION AND RECOMMENDATIONS The following sections of this report present detailed recom- mendations for various geotechnical engineering aspects of the project which should be incorporated into the project design and construction. This report has been prepared for specific application ' to this project in accordance with generally accepted geotechnical engineering practices for the exclusive use of the Alterra Corporation and their representatives. No other warranty, expressed or implied, is made. Foundations For planning purposes, it can be assumed that the proposed office and office/warehouse structures may be supported on pile or pier foundations or on conventional footing foundations bearing on a structural fill mat . The building loads may be supported on piles or augercast piers extending through the compressible site soils and bearing in the underlying dense sands. Based on the subsurface Earth Consultants, Inc. 1110 Alterra Corporation E-1990 May 10, 1983 Page 5 information obtained for this study it is anticipated that the required depth of penetration will vary across the site ranging from approximately twenty-five (25 ) feet near Boring B-4 to forty ( 40 ) feet or greater near Boring B-5. Possible pile capacities are on the order of thirty ( 30 ) to forty ( 40 ) tons . It should be noted that the depths of penetration and possible pile capacities are for preliminary planning only and that specific pile design criteria could be provided after development of final building plans and additional subsurface exploration and analysis. Alternately, the proposed structures may also be supported on conventional spread footings bearing on a structural fill mat . The structural fill mat should extend at least two feet below footing grade and at least two feet laterally from perimeter and interior footings. Footings that will encounter original ground should be overexcavated to provide for the minimum depth and lateral extent of the structural fill below the footings. We expect significant settlement under the anticipated fill and building loads, and \, therefore, recommend that the building pad be preloaded with _a surcharge load. Near the railroad, the existing fills may have preloaded this area, depending on final building grades. Site Preparation Much of the site is covered with standing water which has saturated the fine grained surface soils . In their present condition, site grading will be difficult. Therefore , we recommend that the site be drained as soon as possible by use of drainage trenches . This will allow drying and surface dessication of the fine grained soils, improving their strength and workability. We recommend that, if at all possible , the grading, drainage work and initial fill be placed in the drier summer months. All building and pavement areas should be cleared of large vegetation and other deleterious matter. Care should be taken to minimize disturbance to the ground surface . We suggest that the brush be cleared with a hydro-axe to minimize ground disturbance. A filter fabric placed directly on the excavated surface would help to bridge unstable areas and reduce the quantity of fill required, Placement of a filter fabric below the main roadways is recommended. Structural fill should be placed in horizontal lifts not exceeding eight inches in uncompacted thickness with the exception of the first lift . The first lift should be eighteen ( 18) inches in thickness to provide a working surface . The fill should be compacted to a minimum 95 percent of the maximum dry density in accordance with ASTM Test Designation D-1557-70 (Modified Proctor) . The site soils contain an excessive amount of fines that will make them difficult to compact or work when wet . An approved granular imported fill may be Earth Consultants, Inc. M Alterra Corporation E-1990 May 10, 1983 Page 6 required if grading operations are performed during wet weather. Ideally, imported fill should consist of a granular material with no more than 5 percent fines, passing the No. 200 sieve. A major excavation for installation of a soil conservation service detention pond is proposed in the western margin of the site . Based on our field exploration, we anticipate that the excavated soils could be used as on-site fill. However, the material is wet and could be difficult to place. These materials can be placed in areas where no buildings or roadways are to be constructed or in building and roadway areas that are to be surcharged, or where the buildings are to be supported on pile foundations . We recommend that if on-site materials are to be used as fill, that it be spaced out over the site so that the thickness in any given area that is to support roads, buildings or utilities, is kept to a minimum. For ease of placement , it may be desirable to place a working pad of off-site granular material on the ground surface prior to placement of on-site materials. The fill placement and compaction should be observed and tested by a representative of Earth Consultants, Inc. Surface Water Control The subject site contains fine grained soils that will make grading operations difficult during wet weather. It is important that surface water be controlled. Surface interceptor ditches _ should be placed along the site perimeter where water may infiltrate. The site should be graded to drain at all times and all loose surfaces sealed at night to prevent the infiltration of rain into the soils. After rainfall, equipment should remain off the soils until they have had a chance to dry sufficiently. Settlements Total settlements are dependent on the final fill and building loads. We anticipate settlements on the order of five inches for ,about five feet of fill . Actual settlements will vary across the site_ depending on the thickness of the fills required to develop building grades and the depth and compressibility of the fine grained soils . We recommend placement of at least twenty ( 20) settlement markers throughout the site to monitor the progress of the settlement. In addition, this will provide information on the settlement characteristics of the site soils. We anticipate that it will take approximately three months for the settlement to stabilize. Earth Consultants, Inc. Alterra Corporation E-1990 May 10, 1983 Page 7 Additional Services It is recommended that Earth Consultants, Inc. be provided the . opportunity for a general review of the final design and specifica- tions in order that earthwork and foundation recommendations may be properly interpreted and implemented in the design and construction. The analyses and recommendations submitted in this report are based upon the data obtained from the test pits and borings . The nature and extent of variations between test pits and borings may not become evident until construction. If variations then appear evident, Earth Consultants, Inc. should be allowed to reevaluate the recommendations of this report prior to proceeding with the construction. It is also recommended that Earth Consultants, Inc . be retained to provide geotechnical services during construction. This is to observe compliance with the design concepts, specifications or rec- ommendations and to allow design changes in the event subsurface conditions differ from those anticipated prior to the start of con- struction. The following plates are included and complete this report: Plate 1 Boring and Test Pit Location Plan Plate 2 Legend Plates 3 through 23 Boring and Test Pit Logs Plates 24 and 25 Grain Size Analyses We trust the information presented herein is adequate for your requirements . If you need additional information or clarification, .please call. ,S R. FiN7�'• Respectfully submitted, ,� ,••..tiFtip, • ���' rei �, ?� ; EARTH CONSULTANTS, INC. •• • • • • • • AZDad //'• •O 19560 f • 44).��ssea�°`�4�4• James R. Finley, Jr. , P. E. •��- OMAl ENG•� Chief Engineer `%%%%%%• JRD/JRF/jg • • Earth Consultants, Inc. . . au, . - -- • . 111 • �_ N VICINITY N MAP N75 t ! k c �.< s ,,� J7 Approximate Scale a( , . � Yarf/S °� �r S 0 KX) 200 400 ft. *ii•Zra,t;a3e)N.X5.1%.41S, -A .0.T.E,,, i . LEGEND • -.3=3-n ST `7' Y= SITE �_12 ct B-3 Approximate Boring TP-19 W._ :. TP-15 Location • t. • TP-7 Approximate Test Pit kj , r ry: 4: Location . TP-14 �= / TP-l8 :,. r �. Q / *, •mo w r F TF 10 �� f \ �. 3� Approximate Area of ;f q� •'- -��`• FI I I tom,:..- Tl'-9 .. TP-8 :. ■■ ile TP-3 ..4. . ...., TP-7 TP-6 TP-5 TP-4 ■�� 611 ,, TP-2 TP-1 _ `_ ~===L== �_ „—` — -- -- -- -- -- `� Reference . Conceptual Land Use/Preservation Plan By Richard Carothers Associates NACRES AVE. S.W. POWELL AVE. S.W. Property Line Dated 5/21/82 • . isAH • Earth I •1ltili EARLINGTON PARK Consultants Inc.,. GEOTECHNICA. ENGINEERING & GEOLOGY Boring and Test Pit Location Pan Black River Office Pork Renton, Washington Pro;.No. 1990 'Date May '83 JPlate I 911990-0580-ov WHITE MOZELLA R 609999 833 SW SUNSET BLVD RENTON WA 98055 811990-0590-08 HENDERSON MEAGAN L & CARL E870297 HENDERSON JO ANN 833 SW SUNSET BLVD 459 RENTON WA 98055 911990-0600-06 MILLER JOHN A JR+GLOPIA J 009999 833 SW SUNSET BLVD 4M-60 RENTON WA 98055 919800-0010-03 CURTIS II L.L.0 779999 6414 204TH ST SW 4200 LYNNWOOD WA 98036 91 8?900-0030-09 PIETROMONACO I L L C 553277 PO BOX 700 MEQCER ISLAND WA 99040 may' ..' `j! . , 411I40 .: s.r;. tip <,, ,y, y.: f` :• ,* {V • \ kk k ' • •; :..1 fn Vic!' • :/. klt ta •£',+ "to ! :y x h'•:1 \ wii Is ! 3'tf T. �•1 '�• " ' .41 s . 1. IIWO 1,':y! kr .. a <.:x.., , to.i0..,....4.1 . • 1 \ v-••••,,,'-.0 Ve's mi/ \1Vpr.' 4 1444 • . 'fit'• '.e:1 i, • I N. • y ti+ s • * x v. • � ,n r 'esx s5' • tH I 't �� a N e�r y� . a�4.4. x Ya qL [0%:;',� l .�,(.. r ...:40l fir. :�a f'rYT �••� is � .f. .4�1 �x; `�� II` �t • / s'. Co �' .s�r��y1y c: �:,>r.,.:<v, �,:?ems'•< :1.�,{� Yie 'yM.>i;�Jf'�'T.�rt�- y: X^ :<iY l 1'i tit• y<G.. a.l. o s \ (1, -•-•.. Crqrs • < " CII � r V'a> ;a: a . y 4 !' r yO ...1 '$! ny ti< y .:::� ' LLV t�:: r3x ..�: .T > y;3f. y, e"yx'i�•' <::?*:. fi >. • � s ;,. A biig i'J Y. :4(0 '!tili1/2•.g.:::;4........t4,1•Ali:**;:lv,...;.;.:"11:, . 1 '''''''''''' sat �' �. gN. 1.. • ` < yyyyy y .,•Si4 [ SCR• ). -� Ili .' .�,St O • Cr w i;`•J r lr) %r cii finir4 U 'sib •••ti,, t \ 1 It 3 :� s r MAJOR DONS GRAPH LETTE ICAL DESCRIPTIONS SYMBOL SYMBO :00a0 C 'ELL-SRAOEO GRAVELS, SRAYIL•SAND GRAVEL d 6D O• O••C G W IN XTIRE$, LITTLE OA MO FINES AMO CLEAN GRAVELS '0 b•,;bO0 SR AV[LLT Nut* •. w 11•••)• •y.:O:.i: . :..•. •.•• ►OORLY-SRADED SRAVEL7, GRAVEL- SOILS •• ••• '•• GP SAND NIXTURa, LITTLE CA MO /ILLS! r :e:P::• COARSE .i.•. GRAIN[0 / •r A SOILS R l• GM SILTY ORAv(LI, •RAVEL--7AA0- W ONt AN w TH SO% Irl S SILT Mix OF COAR FRAC• GRAVELS WITH PINES •Y K f •I TION R{TAIN[0 l•I••••I•11• •r•wl •I 7/.. 4 ON N0.• SIEVE h•UlCLAYET GRAVELS, fAMD- A GC cLAY n[ru•cf • �`/ • •[LL-GR1O(0 SANOl, GRAVILLI ...•..•'• • SW SAMOI, LITTLE ON MO FINES SAND CLEAN SAND AND • •�•e o • !►MOT ((WIN •+ w II•••) ,I•,,...- SOILS POORLY-SNAAED SAMOS, •AAVELLY NONE TWIN SOY • • • SP $LNOS, LITTLE 04 MO FINES OF MATERIAL IS • •••;• , LARGER THAN MO I 200 SIEVE SIZE �.l SM, AIfT SANDS, SaMO-Ali MIXTURES MORE THAN SOX SANDS 'ITN FINES 1. 1.:1• fffOF COARSE /RAC- J • �•.• TION FA SSIMS l•1•r••I•W ••••wt •I r /y 114441 i i•4: ' N0. • LAVE f;,II SC CLAYEY !ANDS, SAND-CLAN rIXTWttS •40R8A4.IC SILTS AND VERY FINE 1A1, ROCK •LOUR, SILTY OR M L b CLAT(T FINE SANDS OR CLAYEY )) )))> SILTS PITH IL:•NT ►L1ITICITT ��/ A �IMOR KNIC Cl1Tf OF L?• f0 MLOIvr FINE SILTS LIQUID LIMITMS / �1 ►OY 11CITT, GRA Ell1 S, YS. GRAINED ANO LESS THAN SO L LNOY CUV7, SILTY CLAYS, LEAN SOILS CLAYS CLAYS OR•ANIC SILTS AND 0*sANIC OL SILTY CLAYS OF LOW PLASTICITY L :NOR{ANK SILTS, idAC[OUS OR MH OIATOWACEOuS FINE SAND OR //)) yyy SILTY SOILS MORE SOY SILTS J OF raTENERIAI LIQUID LIMIT 'J �I„I •IOR'•L11IC CLAYS of HIAN AND THAN SO PLASTICITY. FAT CLAYS • SMALLER THAN NO CLAYS 200 !I[v[ 712E V. JR•►NEC CLAYS OF MEDMf TO HIEN OH�' ►L Af TICITI. CN•A NIC SILTS ' PT I FEAT, H..•�.y, '••.dF SOILS HISHLY ORGANIC SOILS _ •_ PITH WISH JRSA.IC CONTENTS TOPSOIL • - Humus and Dutf Layer ••t•MI:; Uncontrolled with FILL :•:•4"44:•; Highly Variable Constituents _ • • NOTE DUAL. SYMBOLS ARE USED TO INDICATE 11040ERLIRE SOIL CLASSIfICAT'ONS SOIL CLASSIFICATION CHART TN( DISCUSSION 'N THI TEXT OF THIS REPORT IS NECESSARY RCA A PROPER UNOERSTANOIN• OF THE NATURE OF THE MATERIAL FRESENTEO 0,1 'NE AT TACNEJ LOGS j 2`O.D.Split Spoon Sampler • Jj Ring or Shelby Sample .103 P Sampler Pushed Earth * Sample Not Recovered Consultants Inc. •s7 Water Level (date) LEGEND Ts Torvone Reading qu Penetrometer Readings Water Observation Well Proj.N0. 1990 IDote Apr. 'R3 I Plate TEST PIT NO. Logged By JRD Date 4/1/83 Elev. 14- Depth W (ft.) USCS Soil Description (%) 0 38 q =0.25 MH Mottled brown clayey SILT, soft to medium stiff, tsf ML damp to wet 5 --I I 1 I< (grading blue gray below 5' ) 38 f qu=0.5- I;ii 1.0 tsf 10 -- Test Pit terminated at 9' due to caving. Heavy groundwater seepage below about 2' . 15 - Logged By JRD 4/1/83 TEST PIT NO. 19± —2.- Elev. Date 0 - - LL=51 PI=38 47 q =0.5- • MH Mottled brown to blue gray clayey SILT, soft to 1.0 tsf ML stiff, damp to wet q =1.75 u 5 -- � tsf SM Blue gray silty gravelly SAND to silty SAND with 14 gravel, medium dense, wet 10 — Test Pit terminated at 9' due to caving. Heavy groundwater seepage below about 3' . 15 TEST PIT LOGS 4411 BLACK RIVER OFFICE PARK Earth RENTON, WASHINGTON • Consultants Inc. GEOTECHNICAL ENGINEERING & GEOLOGY ' Proj. No. 1990 [Date Apr. '83 !Plate 9 TEST PIT NO. Logged By JRD + Date 4/1/83 Elev. 13- Depth W (ft.) USCS Soil Description (%) 0 67 qu=.25- MH Mottled brown clayey SILT, very soft to medium ,5 tsf stiff, damp 5 Pt Brown fibrous PEAT, medium stiff, wet 223 5tsf =.y 42 SM Gray silty SAND with gravel, medium dense , wet Test Pit terminated at 8' due to caving. 10 — Heavy groundwater seepage below about 3' . 15 Logged By 4/1/83 TEST PIT NO. �_ Elev. 11- Date 0 • 37 qu=.5- ML Mottled blue clayey SILT, soft to medium stiff, 1.0 tsf MH damp 5 — Sh! Gray SAND with silt, medium dense, wet 39 SP Test Pit terminated at 8' due to caving. 10 — Heavy groundwater seepage below 3' . 15 TEST PIT LOGS i BLACK RIVER OFFICE PARK Earth RENTON, WASHINGTON Consultants Inc. = GEOTECHNICAL ENGINEERING & GEOLOGY Proj. No. 1990 1 r Date Apr. '83 Iate 10 **************************************************************** City of Renton WA Reprinted: 08/26/99 14 : 00 Receipt **************************************************************** Receipt Number: R9904275 Amount : 1, 524 . 75 08/26/99 14 : 00 Payment Method: CHECK Notation: 16667LPN ARCHITE Init: CRP Project # : LUA99-125 Type: LUA Land Use Actions Total Fees : 1, 524 . 75 This Payment 1, 524 . 75 Total ALL Pmts : 1, 524 . 75 Balance: . 00 **************************************************************** Account Code Description Amount 000 . 345 . 81 . 00 . 0007 Environmental Review 500 . 00 000 . 345 . 81 . 00 . 0017 Site Plan Approval 1, 000 . 00 000 . 05 . 519 . 90 .42 . 1 Postage 24 . 75 O Co Q CO Co CO u J cD N C 0 o 0) , NT 41/0 A "i7rcz•--0A/11.',c3 a� i- i o N BLACKRIVER RIVERTECH 12121 SITE PLAN APPROVAL U o BLACKRIVER CORPORATE PARK RENTON,WASHINGTON BLACKRIVER RIVERTECH SITE PLAN APPROVAL BLACKRIVER CORPORATE PARK RENTON,WASHINGTON BLACKRIVER RIVERTECH SITE PLAN APPROVAL BLACKRIVER CORPORATE PARK RENTON,WASHINGTON SITE PLAN APPROVAL INDEX I SEPA,ENVIRONMENTAL CHECKLIST II PROJECT-NARRATIVE AND CONSTRUCTION MITIGATION DESCRIPTION III VICINTY MAP-LEGAL DESCRIPTION IV KEY MAP -AERIAL V WETLAND DELINEATION REPORT-NRC VI TRAFFIC UPDATE SUMMARY-Maclssac VII FILL PERMIT-NWP DOE REVIEW FILL REVIEW VIII LETTER ARCHAELOGICAL REPORT &CONCLUSION IX REDUCTIONS:SITE PLAN, FLOOR PLANS, ELEVATIONS,&CIVIL DRAWINGS CITYOF RE_NTON DEVELOPMENT SFRVTCES D V SIO(I ENVIR NMENTAL NEC LIST PURPOSE OF CHECKLIST: The State Environmental Policy Act (SEPA), Chapter 43.21 C RCW, requires all governmental agencies to consider the environmental impacts of a proposal before making decisions. An Environmental Impact Statement (EIS) must be prepared for all proposals with probable significant adverse impacts on the quality of the environment. The purpose of this checklist is to provide information to help you and the agency identify impacts from your proposal (and to reduce or avoid impacts from the proposal, if it can be done) and to help the agency decide whether an EIS is required. INSTRUCTIONS FOR APPLICANTS: This environmental checklist asks you to describe some basic information about your proposal. Governmental agencies use this checklist to determine whether the environmental impacts of your proposal are significant, requiring preparation of an EIS. Answer the questions briefly, with the most precise information known, or give the best description you can. You must answer each question accurately and carefully, to the best of your knowledge. In most cases, you should be able to answer the questions from your own observations or project plans without the need to hire experts. If you really do not know the answer, or if a question does not apply to your proposal, write "do not know" or"does not apply". Complete answers to the questions now may avoid unnecessary delays later. Some questions ask about governmental regulations, such as zoning, shoreline, and landmark designations. Answer these questions if you can. If you have problems, the governmental agencies can assist you. The checklist questions apply to all parts of your proposal, even if you plan to do them over a period of time or on different parcels of land. Attach any additional information that will help describe your proposal or its environmental effects. The agency to which you submit this checklist may ask you to explain your answers or provide additional information reasonably related to determining if there may be significant adverse impact. USE OF CHECKLIST FOR NONPROJECT PROPOSALS: Complete this checklist for NON PROJECT proposals, even though questions may be answered "does not apply." IN ADDITION, complete the SUPPLEMENTAL SHEET FOR NONPROJECT ACTIONS (part D). For NON PROJECT actions (actions involving decisions on policies, plans and programs), the references in the checklist to the words "project," "applicant," and "property or site" should be read as "proposal," "proposer," and "affected geographic area," respectively. "LPN JOB NO.98041 Environmental Checklist A. BACKGROUND 1. Name of proposed project, if applicable: Site Plan Approval Blackriver Rivertech Blackriver Corporate Park Powell Avenue SW, North of SW 7th Street Renton,Washington 2. Name of applicant: LPN Architects & Planners 3. Address and phone number of applicant and contact person: Blackriver-Rivertech L.L.C. Royce Berg, Principal c/o Dean Erickson LPN Architects & Planners Alper Northwest 1535 4th Ave. S., Suite D 700 5th Ave., Suite 6000 Seattle, WA 98134 Seattle,WA 98104 206/583-8030 206/624-9223 4. Date checklist prepared: August 13, 1999 5. Agency requesting checklist: City of Renton - Building &Zoning 6. Proposed timing or schedule (including phasing, if applicable): Summer of 2000 7. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. No 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. Wetland Delineation Report by NRC Consulting, dated March 1999 9. Do you know whether applications are pending for governmental approvals of other proposals directly affecting the property covered by your proposal? If yes, explain. None known 10. List any governmental approvals or permits that will be needed for your proposal, if known. Site plan approval, routine vegetation management permit, grade and fill permit, building permits, and tenant improvement permits. Nation wide fill permit 1999-4-00444 Army Core Engineers, received. 2 Environmental Checklist 11. Give brief, complete description of your proposal, including the proposed uses and the size of the project and site. Development of one story Office/Flex Building totaling approximately 13,500 square feet of commercial space for permitted uses including the following: professional, administrative and business offices; business services; research and development; assembly and related activities. Developed site area would be approximately one (1) acre, 43,560 square feet, including .24 acre of existing access road, representing 20% of the total site area of five (5) acres. 12. Location of the proposal. Give sufficient information for a person to understand the precise location of your proposed project, including a street address, if any, and section, township, and range if known. If a proposal would occur over a range of area, provide the range or boundaries of the site(s). Provide a legal description, site plan, vicinity map, and topographic map, if reasonably available. While you should submit any plans required by the agency, you are not required to duplicate maps or detailed plans submitted with any permit applications related to this checklist. Specific: End of Powell Avenue SW North of SW 7th Street and East of Naches Avenue SW South of Burlington Northern Railroad *See attached legal and vicinity maps B. ENVIRONMENTAL ELEMENTS 1. EARTH a. General description of the site (circle one); flat, rolling, hilly, steep slopes, mountainous, other A general description of the site is flat b. What is the steepest slope on the site (approximate percent slope?) The topography is generally flat in the proposed development areas of the site. One to three percent slopes exist except at slope bank adjacent to railroad tracks, which is off site. c. What general types of soils are found on the site (for example, clay, sand, gravel, peat, muck)? If you know the classification of agricultural soils, specify them and note any prime farmland. Silty sand over soft to medium stiff silts d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. None known e. Describe the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill. Approximately 950 cubic yards of structural fill would be placed on the development areas of the site and approximately 200 yards of cut. The source of the fill material is unknown at this time. Fill would raise developed site areas and building pad to elevation 16. Fill of 840 square feet of wetland per nationwide fill permit 1999-4-00444, Army Core Engineers 3 Environmental Checklist f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe. Site erosion, if any, should be minimal with the implementation of proper erosion control practices during construction g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? The impervious surface area of the completed project would be approximately one (1) acre, 43,560 square feet representing 20% of the site h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: Erosion and sediment controls will be designed in accordance with City regulations 2. AIR a. What types of emissions to the air would result from the proposal (i.e., dust, automobile, odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. Construction activity would have temporary impact on air quality including emissions from construction equipment, increased suspended particulates (dust and smoke) during grading activities, and odors from asphalt paving for brief periods during the construction of parking areas. When the project is completed, there would be normal carbon monoxide emissions generated from automobile traffic. b. Are there any off-site sources of emission or odor that may affect your proposal? If so, generally describe. Traffic from nearby roads and railroad. c. Proposed measures to reduce or control emissions or other impacts to air, if any: Watering during the construction period would be implemented to limit the emission of suspended particulates and dust into the air. 3. WATER a. Surface Water: 1) Is there any surface water body on or in the immediate vicinity of the site (including year- round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe type and provide names. If appropriate, state what stream or river it flows into. Existing drainage ditch and biofiltration swale exist to south and west of site. The P-1 channel and detention basin are located one half mile to the west of the site which is pumped or released into the Green River. Wetlands exist at the northwest and north of the site, approximately 60,348 square feet. 4 Environmental Checklist 2) Will the project require any work over, in, or adjacent to (within 200 feet) the described waters? If yes, please describe and attach available plans. NO 3) Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would be affected. Indicate the source of fill material. Approximately 0.02 acres (840 square feet) portion of wetland located in the center south part of the site is proposed to be filled. See Wetland Delineation Report prepared by Natural Resource Consulting, dated March 1999, and attached NWP Reference 199-4-0044, Army Core of Engineers Fill Permit. 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities if known. NO 5) Does the proposal lie within a 100-year flood plain? If so, note location on the site plan. Although the site appears on FEMA maps, majority of existing elevations to be developed are above the flood plain elevations and the P-1 detention basin area provided by this applicant altered the flood plain in this area. 6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the type of waste and anticipated volume of discharge. NO b. Ground Water: 1) Will ground water be withdrawn, or will water be discharged to ground water? Give general description, purpose, and approximate quantities if known. NO 2) Describe waste material that will be discharged into the ground from septic tanks or other sources, if any (for example: Domestic sewage; industrial, containing the following chemicals...; agricultural; etc.). Describe the general size of the system, the number of such systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve. NONE c. Water Runoff(including storm water): 1) Describe the source of runoff(including storm water) and method of collection and disposal, if any (include quantities, if known). Where will this water flow? Will this water flow into other waters, If so, describe. 5 Environmental Checklist Storm water would be collected in a system of closed storm lines, processed thru a oil water separator and then thru a biofiltration swale to southeast. On-site detention should not be required per prior agreement and dedication by this applicant of 17.5 acres to the City for the P-1 channel and detention basin for Blackriver Corporate Park. 2) Could waste material enter ground or surface waters? If so, generally describe. Oil from automobile traffic and chemicals from landscape maintenance could potentially enter ground or surface waters unless appropriate mitigation measures are implemented. The proposal includes mitigation designed to reduce or eliminate potential impacts to ground and surface waters. d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any: Some minor potential would exist for pollutants to enter the natural surface waters. Possible sources of pollutants would be surface water runoff from roads and parking areas, and normal fertilizers, pesticides and herbicides used in landscape maintenance. The proposal includes the following mitigation measures: During Construction: • Per City requirements, a temporary erosion and sedimentation control plan (TESCP)would be implemented to minimize erosion and sedimentation in on-site and downstream drainages during construction. • To the maximum extent possible, runoff from the construction of roads and parking areas would be conveyed to the temporary water quality control pond per City standards. Following Construction: • A permanent storm water control system consistent with City requirements. • Water quality treatment utilizing existing biofiltration swale. • Compliance with local, state, and federal regulations regarding the use of chemicals in landscape maintenance. 4. PLANTS a. Check or circle types of vegetation found on the site: X deciduous tree: alder, maple, aspen, other- cottonwood, poplar, willow evergreen tree: fir, cedar, pine, other X shrubs X grass pasture crop or grain X wet soil plants: sedges, buttercup, red osier dogwood, ash, reed canary grass, soft rush, - in the wetland discussed in wetland report water plants: water lily, eel grass, milfoil, other X other types of vegetation - Blackberries 6 Environmental Checklist b. What kind and amount of vegetation will be removed or altered? Grasses and cottonwood, poplar and other deciduous trees would be removed only from the proposed development areas of the site. c. List threatened or endangered species known to be on or near the site. None known. Heron Rookery exists one half mile to the west beyond an existing three-story Office Building and beyond Naches Ave. SW. d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: The existing perimeter buffer of native vegetation and trees is substantial and would be preserved. Native trees, shrubs and ground cover would be installed in landscaping at the perimeter of the proposed development areas of the site. 5. ANIMALS a. Circle any birds and animals which have been observed on or near the site or are known to be on or near the site: Birds: hawk, heron, eagle, songbirds, other ducks Mammals: deer, bear, elk, beaver, other rodents, rabbits, raccoons, coyotes Fish: bass, salmon, trout, herring, shellfish, other none b. List any threatened or endangered species known to be on or near the site. None known c. Is the site part of a migration route? If so, explain NO d. Proposed measures to preserve or enhance wildlife, if any: Preservation of±80% of site with setbacks, buffers, landscaping, and natural areas as major on-site components to preserve or enhance wildlife. Approximately 80% of the site (4 acres) is proposed to remain undeveloped as natural areas and habitat buffer and wetland. Approximately 82 acres of land located near the site has also been dedicated (20 acres) or sold (62 acres) by the applicant to the City for preservation as permanent City open space, riparian forest and wildlife habitat. As partial consideration for its purchase of the land, the City has agreed (1)to grant mitigation credits for impacts to wetlands, wildlife, wildlife habitat, open space, and other sensitive areas occasioned by the development of all or portions of Tracts A, B, C, and Rivertech (or other developments within a 3 mile radius). 7 Environmental Checklist 6. ENERGY AND NATURAL RESOURCES a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc. Electricity and natural gas would be used for heating and cooling. Electricity would be used for lighting. b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. NO c. What kinds of energy conservation features are included in the plans of this proposal? List other proposed measures to reduce or control energy impacts, if any: Buildings will be designed per Washington State Energy Code requirements. 7. ENVIRONMENTAL HEALTH a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fire and explosion, spill, or hazardous waste, that could occur as a result of this proposal? If so, describe. NO 1) Describe special emergency services that might be required. None known 2) Proposed measures to reduce or control environmental health hazards, if any: None b. Noise 1) What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other)? Existing traffic on Powell Avenue SW and SW 7th Street, plus access to adjacent office and industrial buildings to south and west, and railroad to the north. 2) What types and levels of noise would be created by or associated with the project on a short-term or a long-term basis (for example: traffic, construction, operation, other)? Indicate what hours noise would come from the site. Temporary noise would occur during construction resulting primarily from truck traffic on streets that access the site and from construction equipment on-site. Construction activities would normally occur between 7:00 a.m. and 6:00 p.m. Noise following construction of the project would be that resulting from automobile traffic and normal business activities. 8 Environmental Checklist 3) Proposed measures to reduce or control noise impacts, if any: Compliance with applicable City noise regulations. Numerous sources of noise already exist in the immediate area, including Interstate 405, Burlington Northern Railroad, quarry operations. Impacts associated with the proposed project would be negligible. 8. LAND AND SHORELINE USE a. What is the current use of the site and adjacent properties? The site is currently undeveloped except an existing access route to office to the west and access to drainage easement to the east. Existing street access and curb cut. Office facilities exist to the west, southwest, and industrial to southeast. Railroad exists to the north. b. Has the site been used for agriculture? If so, describe. NO c. Describe any structures on the site. None d. Will any structures be demolished? If so, what? NO e. What is the current zoning classification of the site? C.O. (Commercial Office zone) f. What is the current comprehensive plan designation of the site? E.A.V. (Employment Area Valley) g. If applicable, what is the current shoreline master program designation of the site? Urban h. Has any part of the site been classified as an "environmentally sensitive" area? If so, specify. None, other than the wetlands discussed in Section 3.a above Approximately how many people would reside or work in the completed project? Approximately 50 to 130 people would work at the completed project. j. Approximately how many people would the completed project displace? None k. Proposed measures to avoid or reduce displacement impacts, if any: None • 9 Environmental Checklist Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any: The proposed project is compatible with the office park designation for the site in the Comprehensive Plan. The one story buildings would be constructed of building materials and be of a scale consistent with existing commercial developments in the area. The proposed natural areas, buffers, landscaping, and building locations would preserve the characteristics of the site while creating a business environment in a park- like setting. 9. HOUSING a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-income housing. No housing units are proposed. b. Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or low-income housing. No housing units would be eliminated. The site is currently undeveloped. c. Proposed measures to reduce or control housing impacts, if any: None 10. AESTHETICS a. What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s) proposed. Building heights would be approximately 20 feet, plus HVAC equipment. Principal exterior building materials would be painted concrete and tinted glass. b. What views in the immediate vicinity would be altered or obstructed? None c. Proposed measures to reduce or control aesthetic impacts, if any: None 11. LIGHT AND GLARE a. What type of light or glare will the proposal produce? What time of day would it mainly occur? Parking area and building lighting would produce limited light during night-time hours. Neither source would be expected to produce glare on or off of the site. b. Could light or glare from the finished project be a safety hazard or interfere with views? No 10 Environmental Checklist c. What existing off-site sources of light or glare may affect your proposal? None known d. Proposed measures to reduce or control light and glare impacts, if any: Control of light distribution on the site in developed areas. 12. RECREATION a. What designated and informal recreational opportunities are in the immediate vicinity? A jogging path with activity stations was constructed by the applicant along Oakesdale Avenue SW with prior developments in Blackriver Corporate Park. Permanent City open space and wildlife preservation areas totaling approximately 82 acres with trails and observation points (existing and planned) are located immediately to the west, and south. Trail exists along biofiltration swale to west. b. Would the proposed project displace any existing recreational uses? If so, describe. NO c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: Passive recreation center with picnic table and benches would be provided on the site. 13. HISTORIC AND CULTURAL PRESERVATION a. Are there any places or objects listed on, or proposed for, national state, or local preservation registers known to be on or next to the site? If so, generally describe. No. Indian artifacts were found and documented in 1981, near this site. b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site. An archaeological excavation of a prehistoric Indian living site, sponsored by First City, (Alper Northwest formally First City), was conducted by the University of Washington in 1981. Significant artifacts were removed for study, and a report was compiled (James C. Chatters, Project Director, January 15, 1989. Interim report on excavations at Earlington Park to Department of Anthropology and Museum of Man, Central Washington University). The Project Director also indicated no further study was required and that construction and development would not damage the archaeological value of the site, but would, in fact, preserve it by not disturbing it further(letter from Chatters to David Schuman, May 12, 1981). c. Proposed measures to reduce or control impacts, if any: Per prior agreement, no archaeological survey is required due to funding by the applicant of the $50,000 archaeological dig previously conducted on this site in Blackriver Corporate Park by the University of Washington. Archaeological investigation was concluded. 11 Environmental Checklist 14. TRANSPORTATION a. Identify public streets and highways serving the site, and describe proposed access to the existing street system. Show on site plans, if any. Powell Avenue SW and SW 7th Street currently serve the site. Existing curb cut would be utilized by proposed project. Existing access road on-site services adjacent office complex to west with City maintenance easement access to east. b. Is site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? The site is currently served by public transit on SW 7th Street, Powell Avenue SW, and SW Grady Way. c. How many parking spaces would the completed project have? How many would the project eliminate? Approximately 52 parking spaces would be provided in the completed project. No existing parking spaces would be eliminated. d. Will the proposal require any new roads or streets, or improvements to existing roads or streets, not including driveways? If so, generally describe (indicate whether public or private? NO e. Will the project use (or occur in the immediate vicinity of) water, rail, or air transportation? If so, generally describe. NO f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur. As a "freestanding" office project it is estimated to generate 280 vehicle trips per day (to and from its parking areas on an average weekday), and 37 trips and 44 trips respectively during the AM and PM commuter peak hours of the weekday. When including Rivertech II as part of the greater Black River Corporate Park project, its net traffic impacts on the public street system outside the Corporate Park would be +100 AWDT, and +14 trips and +15 trips respectively during the AM and PM peak hours. g. Proposed measures to reduce or control transportation impacts, if any: Per prior agreement, no transportation mitigation should be required due to the prior dedication of 9.5 acres by the applicant to the City for the construction of Oakesdale Avenue SW, Naches Avenue SW and SW 7th Street and participation by the applicant in above and cost of construction of above streets. See also the update to the Traffic Analysis prepared by James W. MacIsaac, P.E., dated August 1999. Traffic generation for Blackriver Corporate Park is substantially less than originally programmed due to less allowed development. 12 Environmental Checklist 15. PUBLIC SERVICES a. Would the project result in an increased need for public services (for example: fire protection, police protection, health care, schools, other)? If so, generally describe. The project could result in an increased need for fire and police protection to the extent increased protection is warranted by its design and occupancy. b. Proposed measures to reduce or control direct impacts on public services, if any. Reasonable mitigation fees might be collected to reduce any direct impacts on fire protection services. 16. UTILITIES a. Circle utilities currently available at the site: electricity, natural gas, water, refuse service, telephone, sanitary sewer, other- storm detention b. Describe the utilities that are proposed for the project, the utility providing the service, and the general construction activities on the site or in the immediate vicinity which might be needed. Sewer, water, natural gas, electricity, and telephone are all available on site or in the abutting streets. C. SIGNATURE I, the undersigned, state that to the best of my knowledge the above information is true and complete. It is understood that the lead agency may withdraw any declaration of non- significance that it might issue in reliance upon this checklist should there be any willful misrepresentation or willful lack of full disclosure on my part. LPN Architects and Planners /f Proponent: By: ' I W 11, 1 Name Printed: Royce A. :erq, LPN Architects & Planners Date: ttli2)195 13 Architecture and Planning,Inc. • Royce A.Berg,Y.Ken K.Chin,Principals 1535 Fourth Ave.S.,Suite D Seattle,WA 98134 (206)583-8030 Fax(206)583-0708 BLACKRIVER RIVERTECH 13,141SF Office/Flex Facility 5 Acre Site Blackriver Corporate Park Powell Avenue SW North of 7th St. SW, south of Burlington Northern Railroad Renton, Washington PROJECT NARRATIVE • Site is zoned C.O., (commercial office), with C.O. zone to west, southwest, and IM zone, (industrial medium), to the south and southeast. Burlington Northern Railroad is directly adjacent on the north. • Current use of site is access for existing three-story office to west and access for City maintenance of drainage ditch to southeast, biofiltration swale exists to southwest, the balance of site is underdeveloped. • Site is 217,800 square feet (5 acres) with approximately 60,348 square feet of wetland trapped below the railroad slope bank to the north. Existing trees, buffer the site to the north and the east. • Soils on site are typical valley soils of silts and sands. Drainage exists at the southeast property line in the City of Renton drainage swale and also occurs at the southwest property line where an existing biofiltration swale was constructed for Rivertech and Blackriver Phase III. The biofiltration swale was specifically constructed to include this phase. • Proposed development of 13,141 SF office/flex building would conform with zoning code and existing uses in area and would be built on the site area outside of wetland, adjacent to existing site access road at Powell Avenue SW. Building, one-story office constructed of articulated concrete painted panels with tinted glass. Site coverage is 6% of total site. Impervious area is 20% or 43,500 square feet of total site. Wetland area is 27% or 60,348 square feet of site. Parking ratio is ±4/1000 SF of building or 53 cars. Access exists to Powell Avenue SW and to adjacent development at west and maintenance path to east. • No off-site improvements are required. Existing curb cut is established at existing access road. Water line is on-site and sewer line is in street. Sidewalks exist at Powell Avenue SW. • Estimated construction costs is $499,358 value is approximately $985,000. Page 1 of 2 BLACKRIVER RIVERTECH 13,141SF Office/Flex Facility PROJECT NARRATIVE Page 2of2 • Approximately 950 cubic yards of structural fill will be required plus building surcharge. This included small fill area noted at wetland edge. 850 square feet of wetland would be filled at edge per Army Corp of Engineers Nationwide Fill Permit 1999-4-00444. • Approximately 10 trees (Cottonwood, Ash, Hawthorn) in the development area of site are to be removed, (number and type are shown on plans). LPN Architects and Planning, Inc., Royce A.Berg,Principal,Y.Ken K.Chin,Principal, 1535 4th Ave.S.,Ste D,Seattle,WA 98134(206)583-8030 Architecture and Planning,Inc. Royce A.Berg,Y.Ken K.Chin,Principals 1535 Fourth Ave.S.,Suite D Seattle,WA 98134 (206)583-8030 Fax(206)583-0708 BLACKRIVER RIVERTECH 13,141SF Office/Flex Facility 5 Acre Site Blackriver Corporate Park Powell Avenue SW North of 7th Street SW, south of Burlington Northern Railroad Renton, Washington CONSTRUCTION MITIGATION DESCRIPTION Proposed construction dates would begin Spring 2000, (approximately May), and would be completed by late Fall 2000, (approximately December). Hours of construction would occur from 7:00 a.m. to 6:00 p.m. Proposed haul routes are not determined at this time, but will be determined prior to required City Preconstruction meeting, and will meet City requirements. Watering during construction period would be implemented to limit emission of particles and dust into the air. Erosion control measures, siltation fences, and sediment pond will be installed per City standards to keep elements on site and protect wetland area. If traffic control is required, it will be implemented prior to City Preconstruction meeting and per City approval. s, . \ 5 � Z \_.\ ,y, S LANGSTON RD oyS 132ND ST AIRPORT W 1 Q I S 133RD ST .....--- 1 p S � FNT pN pVE � (4°1R£ R E T 0 _ 2 ,yrFP 14 Z'i �0e� WAY S '� �,U� y r ® S Gae4y 13 cS7� `® S RD Q q°F F sK, e`Vp 4, 18 N ti s A ��� SUNSET 3 S'�- e S R LJ S 1/4 R ",6 '4 $Lack I 8�,��Nc�N NoRrHE , s a S 144TH ST _ \\ VALLEY SW 1TH ST S 7TH 7 O = cx Cl LO S LS .411 IN\ V) , 1S7TH a ST a o E J D • a. SW 101 �t wpY r <ro S ^' W _ v r z 151ST y' Sthb Z w r' ST 9G =� 405 p°STUKWI �EESURBA �� SW 16TH ST 19 '8 Ili\�� o°TF`N FR IV �L� 40„„),„ �� 60) �,'mar- — \\ BLVD / c7 f. ` rUKVLA PKVY N I NORTH , ° 0 I Sheet: N P co Project: RIVERTECH PHASE II ry ARCHITECTURE 1 and PLANNING Subject: VICINITY MAP a ROYCE A.BERG,PRINCIPAL j Y.KEN K.35-4THAVES PRINCIPAL Project No.:NW 99008 Date:2-18-99 By: RAJ Of: 1 1535-4TH AVE SOUTH,SURE D ti SEATTLE.WASHINGTON 98134 u (206)583-8030 FAX 583-0708 Architecture and 'tanning, nc. 110 Royce A.Berg,Y.Ken K.Chin,Principals 1535 Fourth Ave.S.,Suite D Seattle,WA 98134 (206)583-8030 Fax(206)583-0708 BLACKRIVER RIVERTECH 13,141SF Office/Flex Facility 5 Acre Site Blackriver Corporate Park Powell Avenue SW North of 7th St. SW, south of Burlington Northern Railroad Renton, Washington LEGAL DESCRIPTION Legal Description of Parcel I • DESCRIPTION: THAT PORTION OF THE SOUTHEAST _1/4 OF SECTION 13 , TOWNSHIP 23 NORTH, RANGE 4 EAST W.M. AND THE SOUTHWEST 1/4 OF SECTION 18 , TOWNSHIP 23 NORTH, RANGE 5 EAST W_M_ , DESCRIBED AS FOLLOWS: BEGINNING AT THE INTERSECTION OF mt. EAST LINE OF SAID SOUTHEAST 1/4 WITH THE NORTH LINE OF THE. SOUTH 650.00 I.ELT THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER, AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; ,NO RTH ORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 1099 .78 FE.1:T; • THENCE NORTH 01 -DEGREES 45 MINUTES 00 SECONDS EAST 418_89 FEET TO A POINT ON THE SOUTHERLY LINE OF THE CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT-OF-WAY SAID POINT BEING ON A CURVE WITH A RADIUS OF 1005.37 FEET, Tat. RADIUS OF WHICH BEARS NORTH 38 DEGREES 15 MINUTES 05 SECONDS EAST; THENCE SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346.30 FEET; THENCE SOUTH 71 DEGREES 29 MINUTES 03 SECONDS EAST ALONG SAID SOUTHERLY LINE 912.08 FEET TO THE. 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Y" J. ...vim c A �� � y r-v �v*�� t ; � wti W, ,G,.. ri"1 � i v � *�l 7�. 1. lc .,:1, p5 ;�-. •' •'7• •i •. '� Y J' ".•_ sI t"'• 2 "'4 S g 1'g . • -. ; fl f • ,.` htiAi'. k ' Y / ,•. i R i it p..+p•..5, f: 1e 3k•,� r ,• .fi r F t P •. r- +^!� -'+.off XX a 0.' 'Z'? # ' Fi- .1 tag!-r �.s.,7 ; Sf .F�'-, " �,1&1�¢x t t -' a ,+>' _ t,, •+� :r.Y.1( •` .'^'Sr +' 5 _ 'i r f�iiri: y` Ct "a7�` i • "q:' i ;VI. �� Y'n.F .�i, iHS Yip(. tA,OY ..r '?,icy., y r :'r,`, f+'iw i� ' fir k 'f•i� v1 r. i;�i *�S d S" '}r :? ., a • • '• •e F" :- - x .> r i 1$' +' a'i ,rz s '.' p"yi ^'� r '. � Aa ':x v E � V }{5 aw�d4K� e• r�� � -x t Yo .:t .rr-+1: ° :�k.z.. r ± _ +._... y _,.._ ..+,.u. t c.'i. F` s _►": 4 i ,_" -,. r.s .iA,`X?'� AUG-05-99 09:43AM FROM-BUSH ROED & HITCHINGS INC, 206-323-7135 T-289 P.02/02 F-500 co..1RE�F S rREET �` G CORPORATE •-` / J LIMNS sz ...4111111talir Wn N rF Z • • s o u r, %Es? I 13 3RD c CORPCRAT C LIMA'ITS so �acF � Nc. G s F , . .1.- ems, 47,, ozo :: .i J - • CITY OF RENTON ''cA4� •,.: ,...y!• h. 530088 "tisE j w gOu_Ev ARP: • : . t`' iSs� ..�'1;: ..•. Yy:: .. - • • Ck.. i. . ..„. aa•• ...• e. .r .air; '._•„.o..:,.. _ . t 5,-c „,,. .,,,. .• ... sw • ^k ZONE X 4. v'° . . ;; ' i C.t `i'� s / ' ' LIMIT OF "i tF FLQCUWAY i., 'i�; - t Jt i Trr Y..,. . r SOUTHWEST 7TN RM332• '`1• j r :..' . �.) i :, , ; • � � ZONEX 1 1 „ .. �'•.je6. Q • 7 • , 0, \,, V:i:.• •• •• ',.,••:it ir '.; 1 ! A,,,,g1-11 . ,_,,, ,...: • ... %:, ..:, ....,:... ..,;;:, SPIiINGBRUUK �'• • �z• T T CREEli • .- t. Q l FEMA MAP _ATMENY PLANT © 1 —r 24 . SD�tn1.451 �l n tor' ,,.r�, _� _ - - -- T1Il 30 NS PANEL 0978 . 1 7.\--___. \ .... II bunington Kai rood i—Property Line ' - - 18.4 d�J 16.8 \ t B 1 1 Approximate Scale iii 1 �� 0 40 80 160ft. _ + 18.D B_3 I + 16.2 LEGEND LIs B-I Approximate Location of ECI Boring, Proj. No. E- 1990-4 , July 1986 Bldg. 1 • — B-2 F.F. Elev. 18.5 _ Proposed Building 18.1 17.9 �< w + Elevation Recieved from IB.I W Bush, Roed a Hitchings , a Dated Dec. 20, 1988 w -- -- - -I Reference _ Job No. 88014 Site Plan By Leason Pomeroy Northwest, Inc. Dated 7/1/88 /L4". • 4Boring Location Plan .� Earth Consultants Inc. I' '�'�,�,� Rivertech Corporate Center (irNettv,ical lJ,ghw rs.Geologists&Fn.iro.nx-n1.l Siinuuts Renton, Washington Proj No. 1990-10 I Drwn. GLS I Date Dec.188 checked AM I Date 12/12/88 J Plate 2 ✓vVv� H-1009-02 WETLAND DELINEATION REPORT Rivertech Phase II Project Renton, Washington Revised March 1999 Alper Northwest, Inc. 700 Fifth Avenue, Suite 6000 Seattle, Washington 98104 NRCNATURAL RESOURCE CONSULTING Assessment, Management and Regulatory Permitting P.O. BOX 7208 TACOMA. WASHINGTON 98407 (253) 756-0370 FAX: (253) 756-0155 EXECUTIVE SUMMARY The findings and conclusions presented in this report are based on an interpretation of information currently available to Natural Resource Consulting. This summary is for introductory purposes and should be used only with the full text of this report. This wetland delineation was based on the On-Site Determination Method described in the Corps of Engineers Wetland Delineation Manual(1987). Based on the information derived through site reconnaissance and readily available documents a Palustrine scrub-shrub, emergent seasonally flooded wetland was identified on the site. The wetland is 1.39 acres (60,348 square feet) in size. The wetland would be classified as a High Quality, Category 2 Wetland using the City of Renton Wetland Management Ordinance. The wetland would meet this classification because it is greater than 2,200 square feet in size, located at the headwaters of a drainage system, and has a hydrologic connection, through a storm water drainage ditch, with the P-1 Channel. The City of Renton Wetland Management Ordinance currently requires a 50 foot buffer between Category 2 Wetlands and land development activities. Impacts to the wetland may require permits from the City of Renton, the U.S. Army Corps of Engineers, and potentially the Washington State Department of Ecology. H-1009-02 TABLE OF CONTENTS Page EXECUTIVE SUMMARY 1.0 INTRODUCTION 1 1.1 Scope of Services 1 1.2 Site Location and Description 1 2.0 DOCUMENT REVIEW 2 2.1 U.S. Fish and Wildlife Service National Wetland Inventory Map 2 2.2 City of Renton Wetland Inventory 2 2.3 Soil Conservation Service Soil Survey of the King County Area 2 3.0 SITE RECONNAISSANCE 2 3.1 Site Conditions During Site Visit 2 3.2 Topography 3 3.3 Fauna 3 3.4 Vegetation 3 3.5 Soils 3 3.6 Hydrology 3 4.0 WETLAND AREA 4 5.0 WETLAND FUNCTIONS AND VALUES 5 5.1 Biologic Functions 5 5.2 Hydrologic Functions 5 6.0 WETLAND REGULATION 5 7.0 CONCLUSIONS 6 8.0 CLOSURE 6 REFERENCES 8 ii H-1009-02 TABLE OF CONTENTS (continued) LIST OF TABLES Table No. 1 Vegetation Species Identified On the Site 2 Results of the Triple Parameter Approach for Each Data Point LIST OF FIGURES Figure No. 1 Vicinity Map 2 Site Map 3 Soil Conservation Service Map LIST OF APPENDICES APPENDIX A WETLAND DELINEATION METHODOLOGY APPENDIX B DEFINITION OF PLANT INDICATOR STATUS AND FIELD SHEETS APPENDIX C MODIFIED REPPERT WETLAND VALUES EVALUATION SHEET iii H-1009-02 WETLAND DELINEATION REPORT RIVERTECH PHASE II RENTON,WASHINGTON 1.0 INTRODUCTION Natural Resource Consulting has completed a wetland delineation for the Rivertech Phase II Project located north of and at the end of Powell Road in Renton, Washington(Figure 1). This work was performed to assist in site planning related to future development. 1.1 Scope of Services The scope of work for this study was limited to the following tasks: Review of federal and local regulations pertaining to the wetland identified on the subject site. The review was used to classify the on-site wetland. A visual assessment to observe existing site conditions and to identify and flag the wetland located on the site. This was accomplished using field procedures consistent with the Corps of Engineers Wetland Delineation Manual(1987) (Appendix A). A review of documents readily available, including local wetland inventory maps, U.S. Fish and Wildlife Service National Wetland Inventory Maps, and the Soil Conservation Service Soil Survey of the King County Area. Assessment of the identified wetland to help determine the overall functions and values of the wetland. A report documenting the process, findings, and conclusions for this project. 1.2 Site Location and Description The triangular-shaped parcel contains approximately five acres of land and is located north of and at the end of Powell Road in Renton, Washington(Figure 1). A strip of the site thirty feet wide along the length of the western edge and the southwestern corner of the property contains a paved access road off of Powell Road. Beyond the road in the southwest corner of the site a portion of an east-west trending storm water drainage ditch comes onto the site(Figure 2). The property is located in the southeast quarter of Section 13, Township 23 North, Range 4 East, and the southwest quarter of Section 18, Township 23 North, Range 5 East. The site is bounded along the northeast by a steep slope with railroad tracks at the top-of-slope, along the south by the end of Powell Road, office buildings and associated parking, and on the west by a building and 1 H-1009-02 associated parking. The site contains Palustrine scrub-shrub, emergent, seasonally flooded wetland communities that would be classified as a High Quality, Category 2 Wetland using the City of Renton Wetland Management Ordinance(Figure 2). 2.0 DOCUMENT REVIEW 2.1 U.S. Fish and Wildlife Service National Wetland Inventory Map The U.S. Fish and Wildlife Service National Wetland Inventory Map of the Renton, Washington Quadrangle, 1:24,000 scale(1988), does not identify wetland on the subject site. 2.2 City of Renton Wetland Inventory The City of Renton Wetland Inventory(1992) identifies wetland W-15, as containing Palustrine forested, scrub-shrub wetland communities on the site. 2.3 Soil Conservation Service Soil Survey of the King County Area The U.S. Soil Conservation Service Soil Survey (SCS) of the King County Area, Washington (1973), was reviewed to determine the general nature of soils on the subject site. The site is mapped as containing Woodinville silt loam(Figure 3). The following soils information was taken from the SCS 1973 publication. The Woodinville series is a poorly drained soil formed in alluvium, typically found in stream bottoms. Typically, the soil is a gray silt loam, silty clay loam, and layers of peaty muck to a depth of 38 inches. Often found in this unit is as much as 15 percent Puget soils, and 10 percent Snohomish, Oridia, Briscot, Puyallup, Newberg and Nooksack soils. The seasonal high water table is at or near the surface. Woodinville silt loam is listed by the Washington State and King County SCS as hydric (wetland) soil. 3.0 SITE RECONNAISSANCE 3.1 Site Conditions During Site Visit On March 3', 1997, Ms. Theresa Henson with Natural Resource Consulting visited the subject site to delineate and evaluate the wetland. The site was visited again on March 6th, 1997, to confirm the wetland conditions after a major rainfall and flood event. The site visit included a visual observation of the subject site and surrounding area. Vegetation, soils, and hydrologic conditions on the site appear to be stable. The wetland is a broad swale that is topographically controlled. The on-site portion of the wetland is approximate 1.39 acres(60,348 square feet)in size. The functions and values of the wetland were evaluated using a Modified Reppert Wetland 2 H-1009-02 Values Evaluation form(Appendix C). 3.2 Topography Based on topographic data provided by a 1989, Bush, Roed and Hitchings, Inc., survey, topographic relief on the site ranges from approximately 18 feet in the eastern portion of the site, 15 to 16 feet along the property boundaries, and 10 to 12 feet within the wetland. 3.3 Fauna Several species of songbirds were observed on the site. Evidence of various animal species on the site was also noted. Coyote scat was observed in the central portion of the site. No plant or animal species, listed federally or by the state as threatened or endangered, were observed on the site. A Great Blue Heron rookery is located approximately 1,400 west of the site. 3.4 Vegetation Ten representative data plots were established to document plant species and dominance of vegetation on the subject property(Figure 2). The vegetative species composition varied from an upland mixed black cottonwood/red alder forest along the south and northwest portions of the site to a dense blackberry thicket in the central portion of the site, to an emergent wetland dominated by sedges and buttercups, to a scrub-shrub wetland dominated by willow, salmonberry and red osier dogwood. The wetland plant communities are predominantly the shrub and emergent areas and the uplands are predominantly composed of the forested and blackberry shrub communities. Data forms detailing observations for vegetation are included in Appendix B. 3.5 Soils During the site reconnaissance, soil conditions, including color, texture, and relative moisture content, were observed and recorded ten data points on the subject site. The indicators used to identify hydric soils can be found in Appendix A. Soil types observed on the site ranged from silt barns to silt foams with high organics. Field sheets detailing observations for soils are included in Appendix B. 3.6 Hydrology Hydrologic conditions, including saturated soils, as well as indicators of wetland hydrology as defined by the 1987 Manual, were observed at two of the ten data plots(Appendix A and Table 2). Generally the site contains saturated soils near the surface(within 12 inches) in the eastern portion of the wetland, and soils saturated to the surface and ponded water throughout the rest of the wetland. Groundwater on the remainder of the site was between three to five feet below the surface. Direct discharges onto the site from culverts, ditches or other point discharges were not identified on the site. Water within the wetland appears to be due to direct rainfall, local surface 3 H-1009-02 water runoff, and shallow groundwater. Field reconnaissance of the site was conducted during the wet time of the year following a period of heavy rain. For this reason, the water table is not expected to rise much higher than the observed level unless a large flood event occurs. Areas in which the data points did not indicate wetland hydrology were classified as uplands. 4.0 WETLAND AREA Based on the use of the triple-parameter approach defined within the 1987 Manual, one wetland was identified on the subject property. Vegetation species were identified and classified with a Wetland Indicator Status (WIS), soil conditions were identified and labeled, and observations of hydrologic conditions were made at ten data points on the site. The wetland was classified as such because all three wetland parameters were present (Table 2). According to the classification system developed by the U.S. Fish and Wildlife Service(Cowardin et al., 1979), the wetland habitats on the site would be classified as Palustrine scrub-shrub, emergent, seasonally flooded communities. Dominant vegetation within the western two-third of the wetland is comprised of sedges (Carex spp.), soft rush (Juncus effusus), buttercup (Ranunculus repens), red osier dogwood (Cornus stolonifera), salmonberry(Rubus spectabilis), red alder saplings(Alms rubra), willow (Salix spp.), and Douglas spiraea(Spiraea douglasii). The dominant vegetation within the eastern third of the wetland is reed canarygrass (Phalaris arundinacea). The upland boundaries of the wetland contain a mixed black cottonwood/red alder forest with a shrub layer dominated by red elderberry(Sambucus racemosa), Indian plum (Oemleria cerasiformis), and Himalayan blackberry(Rubus discolor). The eastern central portion of the uplands is a monotypic stand of Himalayan blackberry. Soils in the wetland were dark silt barns with high organic content indicative of hydric (wetland) soil conditions. During the March 3rd, site visit at least 50 percent of the wetland contained ponded water from one inch to 12 inches deep. The northwest corner of the wetland contains an area approximately 20 by 40 feet in size where water was between three and four feet deep. The remainder of the wetland contained saturated soils at or near the ground surface. During the March 6t , site visit the depth of ponded water increased by approximately 4 inches, and covered more of the wetland. Data Points 1, 2, 4, 5, 7, 8, 9, and 10 within the uplands portion of the site were reevaluated during the March eh, site visit to observe if wetland hydrology was present after a major rainfall and flood event. The test pits were filled between the site visits and a new test pit within one-foot of the original was excavated during the second visit. Indicators of wetland hydrology were not observed at the data points that were reevaluated (Appendix B). Direct discharges onto the site from culverts, ditches or other point discharges were not identified 4 H-1009-02 on the site. Water within the wetland appear to be due to direct rainfall, local surface water runoff, and shallow groundwater. The wetland discharges water off of the site in two location; (a) a culvert locate along the south central wetland boundary, and (b) a ditch located northwest of the site. The culvert discharges into a drainage ditch located southwest of the site and ultimately releases into the P-1-Channel located approximately one-mile west of the site. The ditch northwest of the site flows west for approximately one-mile and discharges into the P-1 Channel. 5.0 WETLAND FUNCTIONS AND VALUES A Modified Reppert Wetland Values Evaluation form was completed for the project (Appendix C). The general biologic and hydrologic functions of the wetland are described below. 5.1 Biologic Functions The wetland in the project area provides generally moderate biologic functions. The general habitat contains shrub and emergent plant communities with downed logs, snags and the railroad embankment with vegetative cover. The wetland has some limitations due to being surrounded by roads, the railroad grade, and developed areas. 5.2 Hydrologic Functions The on-site wetland provides moderate hydrologic functions. In general the system is a seasonally flooded, headwater wetland interconnection with the P-1 Channel via a storm water drainage system. The wetland does retain surface water runoff during flood events. The wetland does receive runoff from non-point sources such as roads and the railroad grade, and the wetland structure provides water purification functions. 6.0 WETLAND REGULATION The wetland would be classified as a High Quality, Category 2 Wetland using the City of Renton Wetland Management Ordinance. The wetland would meet this classification because it is greater than 2,200 square feet in size, located at the headwaters of a drainage system, and has a hydrologic connection, through a storm water drainage ditch, with the P-1 Channel. The City of Renton Wetland Management Ordinance currently requires a 50 foot buffer between Category 2 Wetlands and land development activities. Buffer averaging with a minimum 25 foot buffer is allowable. Impacts to the on-site wetland would require permits from the City of Renton, as well as the U.S. Army Corps of Engineers (Corps), and potentially the Washington State Department of Ecology (Ecology). It is recommended that the Corps be notified of proposed fills to the on-site wetland and that appropriate permits be acquired. 5 H-1009-02 7.0 CONCLUSIONS Based on the Corps' 1987 Manual, vegetation, soils, and hydrologic conditions necessary for an area to be considered wetland were found on the site. The on-site wetland generally has moderate functions and values due to its size (1.39 acres), and structural diversity. The wetland habitats on the site would be classified as Palustrine scrub-shrub, emergent, seasonally flooded communities, and would be classified as a High Quality, Category 2 Wetland using the City of Renton Wetland Management Ordinance. 8.0 CLOSURE The findings and conclusions documented in this report have been prepared for specific application to this project. They have been developed in a manner consistent with that level of care and skill normally exercised by members of the environmental science profession currently practicing under similar conditions in the area. Our work was also performed in accordance with the terms and conditions set forth in our proposal dated February 24th, 1997. The conclusions and recommendations presented in this report are professional opinions based on an interpretation of information currently available to us and are made within the operation scope, budget, and schedule of this project. No warranty, expressed or implied, is made. Wetland boundaries identified by Natural Resource Consulting are considered preliminary until the flagged wetland boundaries are validated by the Corps and/or the local jurisdictional agency. Validation of the wetland boundaries by the regulating agency(s) provides a certification, usually written, that the wetland boundaries verified are the boundaries that will be regulated by the agency(s) until a specific date or until the regulation are modified. Only the regulating agency(s) can provide this certification. 6 H-1009-02 Since wetlands are dynamic communities affected by both natural and human activities, changes in wetland boundaries may be expected; therefore, wetland delineations cannot remain valid for an indefinite period of time. The Corps typically recognizes the validity of wetland delineations for a period of five years after completion. Development activities on a site five years after the completion of this wetland delineation report may require revision of the wetland delineation. In addition, changes in government codes, regulations, or laws may occur. Because of such changes, our observations and conclusions applicable to this site may need to be revised wholly or in part. NATURAL RESOURCE CONSULTING Theresa R. Henson Natural Resource Ecologist H1009.01.RPT 7 H-1009-02 REFERENCES Cowardin, L.M., V. Carter, F.C.Golet, and E.T. LaRoe, 1979, Classification of Wetlands and Deepwater Habitats of the United States, U.S. Fish and Wildlife Service Publication FSW/OSB-79/31. Environmental Laboratory, 1987, Corps of Engineers Wetlands Delineation Manual Technical Report Y-87-1, U.S. Army Waterways Experiment Station, Vicksburg, Mississippi. Jones& Stokes, Inc., 1990, Wetland Delineation --Rivertech Corporate Park, February 6m Munsell Soil Color Chart, 1994, Rev. ed.: Baltimore, Maryland, Kollmorgen Instruments Corporation. Reed, P.B., Jr., 1988, National List of Plant Species that Occur in Wetlands: Northwest (Region 9), U.S. Fish and Wildlife Service Biological Report 88 (26.9). Renton, 1992, Ordinance No. 4346, Chapter 32 Wetland Management, Renton, Washington. Reppert, R.T., W. Sigleo, E. Stakhiv, L. Messman, and C. Beyers, 1979, Wetland Values Concepts and Methods for Wetland Evaluations: U.S. Army Corps of Engineers, Institute for Water Resources, Fort Belvoir, Virginia. U.S. Army Corps of Engineers, 1997, Final Regional Conditions, 410 Water Quality Certification Conditions, Coastal Zones Management Consistency Responses for Nationwide Permits for the Seattle District Corps of Engineers for the State of Washington, Special Public Notice, March 5. U.S. Department of Agriculture, Soil Conservation Service, 1973, Soil Survey of the King County Area, Washington. U.S. Fish and Wildlife Service, 1988, National Wetland Inventory Map, Renton, Quadrangle, Washington. 8 H-1009-02 TABLE 1 VEGETATION SPECIES IDENTIFIED ON THE SITE TREES Bigleaf Maple Acer macrophyllum Black Cottonwood Populus trichocarpa Oregon Ash Fraxinus latifolia Red Alder Alnus rubra Willow Spp. Salix spp. SHRUBS Bracken Fern Pteridium aquilinum Douglas Spiraea Spiraea douglasii Elderberry spp. Sambucus racemosa Himalayan Blackberry Rubus discolor Indian Plum Oemleria cerasiformis Red Osier Dogwood Corpus stolonifera Salmonberry Rubus spectabilis Stinging Nettle Urtica dioica Sword Fern Polystichum munitum HERBS Buttercup Ranunculus repens Reed Canarygrass Phalaris arundinacea Rush Spp. Juncus spp. Sedge Spp. Carex spp. Stinging Nettle Urtica dioica Note: This listing represents the major plant species identified. There may be other species present on within the subject site that are not listed. H-1009-02 TABLE 2 RESULTS OF THE TRIPLE-PARAMETER APPROACH FOR EACH DATA POINT Wetland Wetland Wetland Data Point Vegetation Hydric Soils Hydrology Determination 1 No No No Upland 2 Yes No No Upland 3 Yes Yes Yes Wetland 4 Yes No No Upland 5 Yes No No Upland 6 Yes Yes Yes Wetland 7 No No No Upland 8 Yes No No Upland 9 No No No Upland 10 No No No Upland H-1009-02 .�/4/ ti, •1 v`,/Q v, SUNSET ir SIT Z m N oAI DALe 7TH 77}t U W Z W y 0 FT 04 . 0 Z QN4 N Rivertech Phase 11 Project _ Renton. Washington Approximate Scale 1 inch to 4800 feet VICINITY MAP March 1997 H-1009-0 l Natural Resource Consulting FIG. 1 Assessment.Management and Regulatory Pe/mining Note: Map adapted from The Thomas Guide. 1995. 4•,r ``( �g ,,,°S. I NG _ a ,Od ASP` i U z- in o"o vj ca 5'ai: - = 19'44'09" = z ,r R = 1005.37' _- `4 • U z T = 174.88' GRAPHIC SCALE = g L = 346.30' Rivet L7---1it� zzaller� 011 En Ce (PI FEET) tJ y, 1 u '• Inchd, 50 IL W Z Z Sfi CO Z —I 3;n 00 / S O 'rn SI U 4.y m �a i / Ew1 la1 / gi / ,3 S� o y WETLAND • 129 03,t ?'(.>-—------,_ 4 1 48 •ram., ___ N88'15'01"W - - 5L•^+5e� D. . .,a _ .�_____•E --�—_- - ----f�- 816.34' I I 81.57' 12 ct cn zo co I.__ > •�;; - � w (LIJnQ/ e\ I � a LA°fi �I ' ar H DESCRIPTION (1 /Ny O I THAT PORTION OF EVE SOUTHEAST UUA•TER or SECTION 11, TOWNSHIP 11 NORTH, LOGE L.L Rivertech Phase II Project TOTAL AREA CONTAINS 217,800 SQUARE FEET ` EAST AND THE LDYTHYE:' °°""" OF SECTION 18, TOWNSHIP 21 NORTH, FARCE 5 hi O = LAST, V.X., KING COUNTY, YASM IM:;TOM, DCSClIRLO AS FOLLOWS: > z U Renton, Washington OR 5.00 ACRES. ►,, * _ BEGINNING AT THE INTERSECTION OP THE EAST LINE OF SAID SOUTHEAST QUARTER WITH �� THE NORTH LINE O1 THE SOUTH 6!0.00 FEET THEREOF, SAID NORTH LIME WRING ALSO EY ' WETLAND AREA CONTAINS 60,348 SQUARE FEET THE WORTH LINE OF YASMIMCTOM TC NNICAL CENTER AS RECORDED IN VOLUME ILT OF (. w FLATS, PAGES 98 THROUGH 102, 6ECSROS OF SAID COUNTY; THENCE NORTH 88•15.00. 0 (- SITE MAP OR 1.3854 ACRES. T ALONG SAID NORTH SOUTH/AFT I,C99.I FEET; EVINCE NORTH I OEZE. CAST 4I8.19 al nFEET TO A POINT ON THE SOUTHEAST LINE OF THE CHICAGO, MILWAUKEE. ST. PAUL AND Z _I �y March 1 997 PACIFIC RAILROAD RIGHT-OF-WAY, S!!D POINT BEING ON A CURVE WITH A RADIUS OF Q Q f H-1009-01 1005.17 FEET, THE RADIUS POINT OF WHICH BEARS NORTH 18•15'OS" EAST; THENCE ?I I L1��a p„,� SOUTHEASTERLY ALONG SAID CURVE AND SOUTHEALT LINE 346.10 FEET; THENCE SOUTH Z "' Ni 3� 1 p S �o... F. IA P'RC' 71•I9'0S'EAST ALONG SAID SOUTHERLY LIME 912.08 FEET TO THE NORTH LINE OF THE �l U L7 LOUTH 650.00 FEET OF THE SOUTY/EFTQUARTER OF THE SOUTHWEST ~ nn? I tom- Plow l:ne,l.0" of nNOo:ng email e". 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LongacreS It; 1":.� l I'u.i i .— I3eD a,' • N Rivertech Phase II Project Renton, Washington Approximate Scale 1 inch to 2,000 feet A SOIL CONSERVATION SERVICE MAP March 1997 H-1009-01 Note: Soil Conservation Service Map for the Natural Resource Consulting FIG. 3 King Count Area(1973). Assessment Management and Regulatory Permitting APPENDIX A WETLAND DELINEATION METHODOLOGY H-1009-02 APPENDIX A WETLAND DELINEATION METHODS The triple parameter approach of the Corps of Engineers Wetland Delineation Manual(1987) was used to delineate the extent of wetlands on the site. Under this methodology, vegetation, soils, and hydrology are each evaluated to determine the presence or absence of wetlands. Based on the use of this method, an area is considered to be a wetland if each of the following are met: (1) dominant hydrophytic vegetation is present in the area, (2)the soils in the area are hydric, and (3)the necessary hydrologic conditions within the area are met. The Routine On-Site Determination Method described in the Corps of Engineers Wetland Delineation Manual, were used for the evaluation of triple parameter criteria for this project. This methodology was selected because differences in vegetation types were easily observed, aiding in the identification of areas likely to meet the hydrology and soils criteria of the triple parameter approach. Wetland boundaries were determined by conducting a walking inspection of the property. As part of this inspection, species of vegetation, soil conditions, and hydrologic conditions were noted at several data plots to more accurately determine the boundaries of on-site wetlands. Wetland Vegetation Hydrophytic plants are plants specially adapted for saturated and/or anaerobic conditions. The U.S. Army Corps of Engineers and the U.S. Fish and Wildlife Service has assigned an indicator status to many plant species that is based upon the estimated probability of the species existing under wetland conditions. Plants are categorized as Obligate(OBL), Facultative Wetland (FACW), Facultative (FAC), Facultative Upland (FACU), and Upland (UPL). Species with an indicator status of OBL, FACW, or FAC are considered to be adapted to saturated and/or anaerobic (i.e., wetland) conditions and are referred to as hydrophytic vegetation (Appendix B). Trees and shrubs within a 30-foot radius and herbs within a 5-foot radius of each data plot were identified and noted. The approximate percentage of cover for each of the different plant species occurring within the tree, shrub, and herb strata was determined. Dominant plant species are considered to be those that, when cumulatively totaled in descending order of abundance, exceed 50 percent of the areal cover for each vegetative stratum. Any additional species individually representing 20 percent or greater of the total areal cover for each vegetative stratum are also considered dominant. A-1 H-1009-02 The indicator status of the dominant plant species within each of the vegetative strata are used to determine the presence of hydrophytic vegetation near each data plot. A data plot was considered to have hydrophytic vegetation if greater than 50 percent of the dominant plant species within the area had an indicator status of OBL, FACW, or FAC. Hydric Soils Hydric soils are defined as those soils which are saturated, flooded, or ponded long enough during the growing season to develop anaerobic conditions that favor the growth and regeneration of hydrophytic vegetation. As a result of anaerobic conditions, hydric soils exhibit characteristics directly observable in the field, including high organic matter content, greenish or bluish grey color(gley formation), accumulation of sulfidic material, spots of orange or yellow color (mottling), and dark soil colors(low chromas). Throughout a large portion of the area delineated as wetland, identification of hydric soils was aided through observation of surface hydrologic characteristics and indicators of wetland hydrology(i.e., drainage patterns). The areal extent of hydric soils was defined through direct soil observation within several data plots placed both inside and outside the wetland. Soil observations were completed within soil data plots dug with a shovel to a depth of at least 16 inches below the existing ground surface. Soil samples were examined for the presence of hydric indicators. Soil organic content was estimated visually and textually. The presence of sulfidic material was determined by the presence of sulfide gases(i.e., a "rotten egg" odor). Soil colors were recorded after being determined through use of the three aspects of color in the Munsell Soil Color Chart: hue, value and chroma(e.g., a soil designated as 10YR 6/2 has a hue of 10YR, a value of 6, a chroma of 2, and a soil color name of light brownish gray). A soil chroma of two in combination with soil mottling or a soil chroma of one without soil mottling typically indicates a hydric soil. Wetland Hydrology Hydrologic conditions identifying wetland characteristics occur during those periods when the soils are inundated permanently or periodically, or the soil is continuously saturated to the surface for sufficient duration to develop hydric soils and support vegetation typically adapted for life in periodically anaerobic conditions. Research has indicated that duration of soil saturation and inundation during the growing season is more influential on the plant community than the frequency of soil saturation and inundation during the growing season. For the purposes of this A-2 H-1009-02 wetland delineation, the wetland hydrology criterion was considered to be satisfied if it appeared that wetland hydrology was present for at least 5 to 12 percent (12 to 29 days) of the growing season. The growing season begins when the soil reaches a temperature of 41 degrees Fahrenheit in the zone of root penetration. The hydrology was evaluated by direct visual observation of surface inundation or soil saturation within 16 inches below the existing ground surface in data plots. According the 1987 Manual, "for soil saturation to impact vegetation, it must occur within a major portion of the root zone (usually within 12 inches of the surface) of the prevalent vegetation." Therefore, if saturated soils or indicators were observed within 12 inches of the surface, positive indicators of wetland hydrology were noted. The area near each data plot was also examined for indicators of wetland hydrology. These indicators include dried water marks, drift lines, sediment deposits, and drainage patterns. It was not possible to observe conditions during the entire growing season. Areas where positive indicators of hydrology were noted were assumed to contain wetland hydrology. A -3 H-1009-02 APPENDIX B DEFINITION OF PLANT INDICATOR STATUS AND FIELD DATA FORMS H-1009-02 APPENDIX B DEFINITION OF PLANT INDICATOR STATUS AND DATA FORMS Indicator Category Definitions OBL Obligate Wetland. Occurs almost always(estimated probability>99%) under natural conditions in wetlands. FACW Facultative Wetland. Usually occurs in wetlands(estimated probability 67-99%), but occasionally found in uplands. FAC Facultative. Equally likely to occur in wetlands or uplands(estimated probability 34-66%). FACU Facultative Upland. Usually occurs in uplands(estimated probability 67- 99%), but is occasionally found in wetlands (estimated probability 1- 33%). UPL Obligate Upland. Occurs in wetlands in other regions (as defined in the National List of Scientific Plant Names), but occurs almost always (estimated probability>99%)under natural conditions in uplands in the region specified. NI No Indicator. These species have not been given an indicator status. They are assumed to be upland. Source: National List of Plants That Occur In Wetlands:Northwest (Region 9). U.S. Fish and Wildlife Service Biological Report 88 (26.9). 89 pp. H-1009-02 Data Point 1 of I C.• DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: R, jer-*e c.h P has e ZT' Date: 3—3 -q 7 Applicant/Owner: a 1pe r N t..) City: Re n'fo n Investigator: T Job #: H 'iU 0 4- o I County: I4 n c� State: WA Have vegetation, soils, or hydrology been disturbed: Yes 'o Is the area a potential Problem Area: Yes 4 0 (If needed, explain on reverse.) VEGETATION Dominant P1ani Species Stratum %Cover Indicator Dominant Plant Species Stratum ,o Cover Indicator ier,cI CC f fc Sh I3 /.)I 1. 2. AA( n k; r ;•'- S h 2U rA-C 2. 3. Sa V I)�.c 4$ rccri,i4S2 Sit QC F?- C Ct 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL. FACW or FAC (except FAC-). *-Dominant species. =3 c' Cowardin Classification: _ '' • Remarks: messy ;-r, n 1-1 U'7c_; HYDROLOGY I. Recorded Data (Describe in Remarks): Wetland Hydrology Indicators (3 C A-L Stream,Lake. or Tide Gage Aerial Photograph Inundated _Other t Saturated in Upper 12 Inches No Recorded Data Available rt Water Marks Water Lines Sediment Deposits Field Observations: `c Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) ' 12 Inches Depth to Free Water in Pit: I (in.) ! Water-Stained Leaves Depth to Saturated Soil (ill.) I Local Soil Survey Data — Other(Explain in Remarks) Remarks 7 1 , , i. Data Point: I of l'D SOILS Map Unit Name: (,c) t)cc d Drainage Class: Po O N I �✓ rLd Field Observations J Taxonomy(Subgroup): Confirm Mapped Type? Yes 'o Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) IMunsell Moist) (Munsell Moist) Abundance/Contrast Rhizospheres.etc. O- y 1oVk. fdo S I4- /Oc 1 11 -i g l o'j 11,1 3 rw s, j + /c)o- rvl Hydric Soil Indicators: /N c) _ Histosol j Concretions Histic Epipedon High Organic Content in Surface Layer Sulfidic Odor _y Organic Streaking _ Probable Aquic Moisture Regime + Listed on Local Hydric Soils List Reducing Conditions — Listed on National Hydric Soils List _ Gleyed or Low-Chroma Colors Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? Yes Hydric Soils Present? Yes Is this Data Point Within a Wetland? Yes Wetland Hydrology Present? Yes o) Remarks: 2-97/DATA.FRWIRH-V h Data Point 2 of I DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: e t.ue r'EeJv P.ta.s e Date: 3 -3- ? 7 Applicant/Owner: Alper N City: RP n'b ri Investigator: nCN Job #: 14-IWo9- v 1 County: WA ® State: k i'�) Have vegetation, soils, or hydrology been disturbed: Yes Is the area a potential Problem Area: Yes (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. s �.Qfr ris 1-4 3C: P?3C It.) 1. 2. Al,i s 30: F►}C 2. 3. Oen+ L_ Cc• s•fc :M,S Sh 2 C 4.' i 3. 4. Rw .s ')?et`kh15 SIB It) F r1c.- 4. 5. 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL. FACW or FAC(except FAC-). *-Dominant species. 7 S '2c Cowardin Classification: (A t I 11dk Remarks: HYDROLOGY .Y Recorded Data (Describe in Remarks): Wetland Hydrology Indicators _Stream. Lake.or Tidc Gage Aerial Photograph i Inundated _Other Saturated in Upper 12 Inches _ No Recorded Data Available Water Marks Water Lines Sediment Deposits Field Observations: N -c" Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: (in.) Water-Stained Leaves Depth to Saturated Soil: (in.) _ Local Soil Survey Data Other(Explain in Remarks) Remarks f" 7 - ?,. . . �. �ti/ I ,! 1 r, c- f,. , f Data Point: Z of C 0 SOILS Map Unit Name: a)CJ ,c-1 i ii d ► t k F Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes No Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist) (Munsell Moist) Abundance/Contrast Rhizospheres.etc, G—/a loN P.yla tuvvtQ- s; I4- (oo 12- I 4 2 •Sy S/2 J o,+Q. - s 1+ 1 o c en l'i -I a 1.S V 5)2 loy 2 y f y dew ;rif 5 / 1- /o oL r1 Hydric Soil Indicators: /J o✓ Q _ Histosol Concretions _ Histic Epipedon High Organic Content in Surface Layer Sulfidic Odor Organic Streaking Probable Aquic Moisture Regime Listed on Local Hydric Soils List Reducing Conditions Listed on National Hydric Soils List Gleyed or Low-Chroma Colors Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? 0 No Hydric Soils Present? Yes dij, Is this Data Point Within a Wetland? Yeses Wetland Hydrology Present? Yes eon _ Remarks: 2-97/DATAFRM/TRH-trh Data Point: 3 of C DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: Ride r-+e cJi phase 1L Date: 3 -3 - 9-) Applicant/Owner: Alper MO City: Ren'I-o n Investigator: T R N Job #: N-I OO9- O 1 County: lc rt 5 State: i.A Have vegetation, soils, or hydrology been disturbed: Yes Is the area a potential Problem Area: Yes (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. .AirtaS r hrc- ;VI_ 60 /)4 . 1. 2. c, sLclo; $h I U F►rCtl 2. 3.(Zartun(h1,.s rep,as Fr}Lc..' 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL. FACW or FAC(except FAC-). *-Dominant species. E `2 Cowardin Classification: Pa_ t t.t•C _ 5 h '-s k''`mob/e inaz Remarks: HYDROLOGY X Recorded Data(Describe in Remarks): Wetland Hydrology Indicators _Stream. Lake.or Tide Gage (Aerial Photograph _ Inundated Other .. Saturated in Upper 12 Inches _ No Recorded Data Available _ Water Marks Water Lines Sediment Deposits Field Observations: _ Drainage Patterns in Wetlands _ Oxidized Root Channels in Upper Depth of Surface Water: -4-;' (in.) 12 Inches Depth to Free Water in Pit: I I (in.) Water-Stained Leaves Depth to Saturated Soil: 9 (in.) ?( Local Soil Survey Data _ Other(Explain in Remarks) Remarks Data Point: 3 of 1 D SOILS Map Unit Name: Lcry O Oaok 1 V1 J : 1 t e Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes o Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist) (Munsell Moist) Abundance/Contrast Rhizospheres.etc. O-B )oil y12. t'C Q S I net 8- Is 1oyPiti2 0YR416. S: 1+ (o0_01 Hydric Soil Indicators: _ Histosol _ Concretions _ Histic Epipedon _ High Organic Content in Surface Layer _ Sulfidic Odor _ Organic Streaking Probable Aquic Moisture Regime X Listed on Local Hydric Soils List _ Reducing Conditions _)C Listed on National Hydric Soils List Gleyed or Low-Chroma Colors _ Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? e No Hydric Soils Present? `S No Is this Data Point Within a Wetland. a No Wetland Hydrology Present? fe No Remarks: 2-97/DATA.FRM/TRH-trh Data Point c/ of l O DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: R, ve r1'e c L, P h 4 s e j.L. Date: 3-3- 9 Applicant/Owner: A l pe r N LA) City: R e rt'ho✓t Investigator: Tit N Job #: N -1 oo 1-o I County: k y State: w A Have vegetation, soils, or hydrology been disturbed: Yes Is the area a potential Problem Area: Yes '• (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. j:«nUnc ,:1 :S Npe05 1.4 So F1I c L 1. 2. gib -S c-kescc,k.;- 5it tiU FA-cut 2. 3. A 1 t i.; s h 5 li z 0 Ff} L 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL. FACW or FAC (except FAC-). *-Dominant species. (e 7U Cowardin Classification: ;? I a (1 Remarks: HYDROLOGY Y. Recorded Data(Describe in Remarks): Wetland Hydrology Indicators 1•)c% r Stream. Lake. or Tide Gage ..Aerial Photograph Inundated _Other Saturated in Upper 12 Inches _ No Recorded Data Available Water Marks Water Lines Sediment Deposits Field Observations: N U`Q Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: (in.) Water-Stained Leaves Depth to Saturated Soil: (in.) Local Soil Survey Data _ Other(Explain in Remarks) Remarks: r 7. , 3 L. `l 7 — ti ,• I1 y c\ , 4c.1 , c `c' ' s (-j , I c r Data Point: V of 10 SOILS Map Unit Name: Li)004 i n () , I 1 2 Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes No Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Mansell Moist) (Munsell Moist) Abundance/Contrast Rhizospheres.etc. b— fs 10 1R y/2 N v S.' l i- 1 a cA-rvi $ - 18 Io 1C 9/3 lo•( 51.6 ;•e w ;.1`1- SI. Ii- 10 cL 1$/\ Hydric Soil Indicators: 6U o vt.L Histosol Concretions Histic Epipedon High Organic Content in Surface Layer Sulfidic Odor Organic Streaking Probable Aquic Moisture Regime Listed on Local Hydric Soils List Reducing Conditions Listed on National Hydric Soils List _ Gleyed or Low-Chroma Colors Other(Explain in Remarks) Remarks: 63 I ci /x'°0. d bC ci (AA- b a S 6 U`( / R rlLtc,lc S. WETLAND DETERMINATION Hydrophytic Vegetation Present? 61' No Hydric Soils Present? Yes Is this Data Point Within a Wetland? Yes ( )• Wetland Hydrology Present? Yes ) Remarks: 2-97/DATA.FRM/rRH-rh Data Point 5 of 1 C, DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: R ✓er ech Phase a Date: 3 -3 -97 Applicant/Owner: Alper N LJ City: 1 e Investigator: Y(Z N lob #: M-1 U 0 q-01 County: k)'4 State: wA Have vegetation, soils, or hydrology been disturbed: Yes o Is the area a potential Problem Area: Yes ' gam (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. hwlciriS cti ' kr , H 5J) FKILt,�' 1. 2. R.,.1n :s ck,5«.k' sh 3Z) t A 2. 3. f11�5 2,c) C_ 3. 4. 4. 5 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL. FACW or FAC (except FAC-). *-Dominant species. C; fit. Cowardin Classification: L(-7 t Remarks: HYDROLOGY .X. Recorded Data(Describe in Remarks): Wetland Hydrology indicators - `C_ _Stream. Lake. or Tide Gage Aerial Photograph Inundated _Other Saturated in Upper 12 Inches _ No Recorded Data Available Water Marks Water Lines Sediment Deposits Field Observations: A--;L/ Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: (in.) l Water-Stained Leaves Depth to Saturated Soil: (in.) Local Soil Survey Data Other(Explain in Remarks) Remarks �> t" S , 'it �� / - 1 7 - ) S `t i... ;• i„y1 •. ) Data Point: 5 of /0 SOILS ' '�1 rr Map Unit Name: W CO ct I ✓l v 1 i I Drainage Class: _ Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes (No Profile Description;, Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) fMunsell Moist) (Munsell Moist) Abundance/Contrast Rhizospheres.etc. o-.5 lo4 R Lt/3 ,-tom s, I+ 10 0. ni 5 — 22 1oy25%3 l0‘125/6 - ri cc,;,41- S, l4- (oci- tr✓l Hydric Soil Indicators: I-6 vl-Q._ Histosol Concretions Histic Epipedon High Organic Content in Surface Layer Sulfidic Odor Organic Streaking Probable Aquic Moisture Regime Listed on Local Hydric Soils List Reducing Conditions Listed on National Hydric Soils List Gleyed or Low-Chroma Colors Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? leal4 o Hydric Soils Present? Yes Is this Data Point Within a Wetland? Ye No Wetland Hydrology Present? Yes o Remarks: 2-97/DATA4FRM TRH-tzfi Data Point: .0 of IC DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: R I'ue r+e c k P tease Date: 3-3- 9.7 Applicant/Owner: A l pe r tJ W City: l`o ►1 Investigator: I R N Job #: N -1 on cf-o l County: Ie i.)15 ® State: WA Have vegetation, soils, or hydrology been disturbed: Yes Is the area a potential Problem Area: Yes o (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. phci)uriS arund. , 1J 8c t'`Ac) 1. 2. Sect x 5 p T 2a F►I-LL.' 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL. FACW or FAC(except FAC-). *-Dominant species. Gt% c. Cowardin Classification: «} S r � '�� r' ow_r e t1 i" Remarks: HYDROLOGY Recorded Data(Describe in Remarks): Wetland Hydrology Indicators Stream.Lake.or Tide Gage Aerial Photograph Inundated _Other X. Saturated in Upper 12 Inches _ No Recorded Data Available _ Water Marks Water Lines Sediment Deposits Field Observations: _ Drainage Patterns in Wetlands _ Oxidized Root Channels in Upper Depth of Surface Water: 0 (in.) 12 Inches Depth to Free Water in Pit: 2 ' (in.) _ Water-Stained Leaves Depth to Saturated Soil: j :rf-' t (in.) Y Local Soil Survey Data Other(Explain in Remarks) Remarks: Data Point: /, of / SOILS Map Unit Name: U-) 0oc1 i V.tJ \ Q Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes No Profile Description: Depth Matrix Color Mottle Colors Mottle Texture. Concretions, finches) (Munsell Moist) fMunsell Moist) Abundance/Contrast Rhizospheres.etc. 0— y Iv 1R]/2 1J0 sI' l�- / - y—IS to'. R 3/a Io`(c`I/1 plan S ; l-1- locKp' Hydric Soil Indicators: _ Histosol _ Concretions _ Histic Epipedon _ High Organic Content in Surface Layer _ Sulfidic Odor _ Organic Streaking Probable Aquic Moisture Regime _ Listed on Local Hydric Soils List _ Reducing Conditions _ Listed on National Hydric Soils List Gleyed or Low-Chroma Colors _ Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? 44P No Hydric Soils Present? iffy No Is this Data Point Within a Wetland? 4r0 No Wetland Hydrology Present? es No Remarks: 2-97/DAT A.FRM/TRH-Uh Data Point of DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: 1� �1 {t c3 Date: 3 - 3 `/ 7 Applicant/Owner: A- I p�. n� �: City: i;cr t� Investigator: f:H Job #: r+ / (r-C 1 County: / State: Have vegetation, soils, or hydrology been disturbed: Yes Is the area a potential Problem Area: Yes /ICI i (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. I" hu r,s ar 'i 1. N f"0 FA c IA-% 1. 2. f:w.h..s S F4CLt 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL. FACW or FAC(except FAC-). *-Dominant species. 5 7 )c Cowardin Classification: CA- 11 Remarks: HYDROLOGY Recorded Data(Describe in Remarks) Wetland Hydrology Indicators j� _Stream. Lake. or Tide Gage Aerial Photograph 1 Inundated Other f Saturated in Upper 12 Inches _ No Recorded Data Available T Water Marks tWater Lines Sediment Deposits Field Observations: i"c" Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water (in.) 12 Inches Depth to Free Water in Pit: (in.) _ Water-Stained Leaves Depth to Saturated Soil: (in.) j Local Soil Survey Data Other(Explain in Remarks) Remarks: /� Data Point: of IV SOILS Map Unit Name: WOO� ( ill i t 1 ('E- Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes moo, Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist) Munsell Moist) Abundance/Contrast Rhizospheres. etc. D- 9 2. 5•1KV3 ,uvv-L s, it lo0. r✓I `1-2-2 2.5y 2 'f J3 ioN R yi t, -Ce LJ cc),_„A A- S , 14- ioa r✓t Hydric Soil Indicators: /l.) J Histosol Concretions Histic Epipedon High Organic Content in Surface Layer Sulfidic Odor Organic Streaking Probable Aquic Moisture Regime Listed on Local Hydric Soils List Reducing Conditions Listed on National Hydric Soils List Gleyed or Low-Chroma Colors Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? Yes No Hydric Soils Present? Yes I Is this Data Point Within a Wetland? Yes 14:10 Wetland Hydrology Present? Yes Remarks: 2-97/DAT A.FRM/TRH-trfi Data Point: &1_of i (!Th DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: R i ties- e c k Phase . Date: 3-3- 97 Applicant/Owner: /4I?er NUJ City 2er1'1ort Investigator: re H Job #: /-><- 1 Dog—o I County: k 1vt State: 10.4 Have vegetation, soils, or hydrology been disturbed: Yes No Is the area a potential Problem Area: Yes No (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum °A)Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. ,i, .1..y tr;ct,c., T ic- Fh C 1. 2. Co. "-'_x S)� 1 7t) 2. 3. ..s �1,s(L. 5k SC= FHL . 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL. FACW or FAC (except FAC-). *-Dominant species. t �c Cowardin Classification: (,'t ,7 10, �\ cA Remarks: HYDROLOGY k Recorded Data (Describe in Remarks): Wetland Hydrology Indicators 1` • Stream. Lake. or Tide Gage IK Aerial Photograph Inundated _Other Saturated in Upper 12 Inches _ No Recorded Data Available Water Marks Water Lines Sediment Deposits Field Observations: 1L Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: (in.) Water-Stained Leaves Depth to Saturated Soil ( (in.) Local Soil Survey Data 1 Other(Explain in Remarks) Remarks 1 3 - 1 7 S C Data Point: e of I D SOILS , . 1 Map Unit Name: w CEO c. + J' ` Q Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes Profile Description: Depth Matrix Color Mottle Colors Mottle Texture,Concretions, (inches) (Munsell Moist) (Munsell Moist) Abundance/Contrast Bhizospheres.etc. o—y Io 1R 3/. lUovt12._ - s, I+ /oc rvl 9- 29 10y23/4 ioy23/3 4-% s 14- lo�r►� Hydric Soil Indicators: N ovt..0 Histosol Concretions _ Histic Epipedon High Organic Content in Surface Layer _ Sulfidic Odor Organic Streaking Probable Aquic Moisture Regime Listed on Local Hydric Soils List Reducing Conditions Listed on National Hydric Soils List Gleyed or Low-Chroma Colors Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? es No Hydric Soils Present? Yes ) Is this Data Point Within a Wetland? Yes o Wetland Hydrology Present? Yes Io) Remarks: 2-97/DATAFRM/TRH-trh Data Point cl of / DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: c I t ! IL"L e T Date: 3 - 5 - 7 Applicant/Owner: A I City: e 11')-e 'I Investigator: 7 r`a Job #: H - /c; 0' -C, I County: k e State: Li' - Have vegetation, soils, or hydrology been disturbed: Yes Is the area a potential Problem Area: Yes o' (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator I. ;S ca . N <<.' 1. 2. s .L s S C F46_ Li_ 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL. FACW or FAC(except FAC-). *-Dominant species. c" 7)G Cowardin Classification: (J- p (&k, rid Remarks: HYDROLOGY Recorded Data(Describe in Remarks): Wetland Hydrology Indicators Stream. Lakc.or Tide Gage Aerial Photograph Inundated _Other A_ Saturated in Upper 12 Inches _ No Recorded Data Available Water Marks Water Lines c-(lam. Sediment Deposits Field Observations: Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit. (in.) Water-Stained Leaves Depth to Saturated Soil: (in.) Local Soil Survey Data _ Other(Explain in Remarks) Remarks: C '� 1,' '/7 — 1 L c. 'l „,1 i, (c•t: r: • ' 7 Ci Data Point: 9 of /0 SOILS Map Unit Name: woo 4 i• ✓t 6 Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes No Profile Description: Depth Matrix Color Mottle Colors Mottle Texture,Concretions, finches) (Munsell Moist) (Munsell Moist) Abundance/Contrast Rhizospheres.etc, C.) - Ll )d `( 12 3/2 /Uv►'t_- - S 1`- I 0 c.wl Li-(e Io yR 3/3 -cc. s > 14- IO0,►'1 Hydric Soil Indicators: /L-9-t7✓tt Histosol Concretions _ Histic Epipedon j- High Organic Content in Surface Layer Sulfidic Odor _ Organic Streaking Probable Aquic Moisture Regime _ Listed on Local Hydric Soils List _ Reducing Conditions Listed on National Hydric Soils List T Gleyed or Low-Chroma Colors Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? Yes tail Hydric Soils Present? Yes •' Is this Data Point Within a Wetland? Yes No Wetland Hydrology Present? Yes Remarks: 2-97/DATA.FRM/TRHt Data Point IC- of I. DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: k. t v•E►-k �l hcitSc Date: 3 -3--`t7 Applicant/Owner: A I P e tN `' City: A. c;l Investigator: 7141 Job #: ri - i c t-9 I County: State: IL 2 Have vegetation, soils, or hydrology been disturbed: Yes Is the area a potential Problem Area: Yes 1LIo/ (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. s c1, S(ch.• S l.i `IS i- C 4 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL. �. FACW or FAC (except FAC-). *-Dominant species. a; 2L Cowardin Classification: 14 11 c l Remarks HYDROLOGY Y Recorded Data(Describe in Remarks): Wetland Hydrology Indicators Il.%C•a _Stream. Lake. or Tide Gage ZC Aerial Photograph Inundated Other Saturated in Upper 12 Inches _ No Recorded Data Available Water Marks Water Lines _ Sediment Deposits Field Observations: /_ . _ Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: _ (in.) Water-Stained Leaves Depth to Saturated Soil: (in.) --a Local Soil Survey Data Other(Explain in Remarks) Remarks: c- •-• r �' r 5 -J "^ — /. ,. I, y i' r . ,L , c . }• C ; `f-It ' "l Data Point: /O of ry SOILS Map Unit Name: t-A-)00ctI ✓1 Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes (N—o Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist) Munsell Moist) Abundance/Contrast Rhizospheres. etc. 0 -5— /0-Ni �3�� Nv✓�L_ S 1 /auv''l S - 18 lcY � `t�� I0•1 /l✓ ten' v14 S, 14)- lo n-L, i o 3/2 Hydric Soil Indicators: U U1 Histosol _ Concretions Histic Epipedon _ High Organic Content in Surface Layer Sulfidic Odor Organic Streaking J_ Probable Aquic Moisture Regime Listed on Local Hydric Soils List Reducing Conditions rt Listed on National Hydric Soils List _} Gleved or Low-Chroma Colors 4 Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? Yes el• Hydric Soils Present? Yes ® Is this Data Point Within a Wetland? Yes Wetland Hydrology Present? Yes Remarks: 2-97/DATA.FRMTRH-trh APPENDIX C MODIFIED REPPERT WETLAND VALUES EVALUATION SHEET H-1009-02 APPENDIX C MODIFIED REPPERT WETLAND VALUES EVALUATION Values Basis For Evaluation 1. Natural Biologic Function Mod/High A. Food Chain Support Moderate i. Net Primary Production moderate Shrub and emergent vegetation ii. Mode of Transport moderate Intermittently flooded iii. Food Chain Support low Low diversity of vertebrate animals B. General Habitat Moderate Two plant communities, SS, EM C. Special Habitat High Downed logs, snags, and railroad banks with cover 2. Aquatic Study Areas, Low Does not meet the criteria Sanctuaries, Refuge 3. Hydrologic Support Function Moderate A. Hydrologic Periodicity Moderate Headwaters wetland B. Elevation in Basin Moderate Flooded less frequently, early spring 4. Shoreline Protection N/A No shoreline 5. Storage of Storm and Flood Water Moderate A. Flood Storage Factor Low Total wetland is> 5 acres in size B. Flood Retardation Factor High > 30% of wetland vegetative cover is woody shrubs 6. Natural Groundwater Recharge Moderate Wetland is a seasonal system> 5 acre 1 7. Water Purification Moderate A. Wetland Type Mod/low i. Hydroperiod low Intermittently flooded system, not associated with a lake, river or estuary ii. Vegetative Density moderate Wetland vegetative cover is> 80% C -1 H-1009-02 B. Areal&Waste Loading Moderate Relationship i. Total Wetland low Total wetland is< 10 acres in size ii. Proportion of Water to moderate 60 -75% of wetland is covered with Wetland water iii. Proportion of Runoff moderate 25-50% of surface water runoff is Retained in Wetland retained in the wetland for no more than a 2 year event C. Location Factor Mod/High i. Frost-free Days high >250 days ii. Location Related to moderate Wetland adjacent to non-point sources; Pollution Sources roads, and railroad grade 8. Cultural Values (Economics, Moderate Headwaters area that has a hydrologic Aesthetics, Recreational, connection to the P-1 Channel via a Archeological Sites. storm water channel C -2 H-1009-02 381 - 129th Place NE ** Bellevue, WA 98005 ** Phone/Fax (425) 454-6307 E-mail: JimMacIsaac@email.msn.com DATE: August 20, 1999 TO: Dean Erickso "oyce Berg Original has been Mailed FROM: Jim MacIsaailli SUBJECT: Black River Col orate Park, Renton, Washington -- River Tech II F'nal Phase and Updated Traffic Generation Estimates This memo addresses traffic generation estimates for proposed Rivertech II, an office building containing 13,141sf of floor area. It is the final element of the Black River Corporate Park. Summaries of the formerly approved and mitigated plan and the currently proposed buildout plan are shown in the attached tables. Approved Project at Buildout The upper table on the attachment shows traffic estimates for the approved and mitigated plan for Black River Corporate Park, as per the November 20, 1991 "Memorandum of Agreement" and the January 22, 1992 Report and Decision of the Renton Hearing Examiner. The office project has developed as a series of general office buildings. It has not taken on the characteristics of an "office park", which is defined in the ITE Trip Generation documents as "containing office buildings and support services such as banks, savings and loan institutions, restaurants, and service stations". There is discussion in the records of traffic generation estimates for the project if classified as an office park. Therefore, the alternate buildout traffic estimates for an office park are shown also at the bottom of the table. "In any event, staff and the applicant agree that the applicant has provided sufficient funding to accommodate the anticipated traffic that will be generated by this proposal at buildout. These traffic estimates were contemplated when calculating the transportation improvements for this area." (Finding 22, pace II. of the Jan 22, 1992 Report and Decision of the Hearing Examiner). Revised Project Buildout Proposal The lower table on the attachment provides revised traffic estimates for the Black River Corpo- rate Park buildout as now proposed, including Rivertech Phase I that is now existing. This final buildout of Black River Corporate Park would result in decreases in traffic generation and im- pacts as compared to the previously approved and mitigated project. Therefore, there appears to be no need for any additional traffic analyses or mitigation measures. SEPA Checklist for Rivertech Phase II The lower table on the attachment also shows the traffic generation estimates that should be in- cluded in the SEPA Checklist for Rivertech Phase II. As a"freestanding" office project it is estimated to generate 280 vehicle trips per day (to and from its parking areas on an average Panics W.Maclsaac-S/21/99 \Iw'm\ItvrTcch'—.doc hug uo: cod .., . ��a. ,_ _ _ _ . Dean Erickson/Royce Berg August 20, 1999 Page 2 weekday), and 37 trips and 44 trips respectively during the AM and PM commuter peak hours of the weekday. When including Rivertech II as part of the greater Black River Corporate Park project, its net traffic impacts on the public street system outside the Corporate Park would be +100 A`VDT. and +14 trips and +15 trips respectively during the AM and PM peak hours. James W.Maclsaac-8/21/99 \jwm\Rvr eek2.due r1Ug L3 uo: coa . Black River Corporate Park --Trip Generation (Approved & Mitigated Plan)' Phase Land Use Quantity(gsf) AWDT AM Peak Hour PM Peak Hour Phase Cum Phase2 Cum3 Phase2 Cum3 Phase' Cum3 III General Office 70,036 70,036 1,072 1,072 145 145 143 143 IV-A General Office 74,915 144,951 1,128 1,858 153 255 150 244 IV-B General Office 74,915 219,866 1,128 2,546 153 352 150 332 V General Office 50,546 270,412 838 2,977 112 414 112 387 VI General Office 71,057 341,469 1,084 3,551 146 496 144 459 VII General Office 286,300 627,769 3,108 5,627 432 796 404 720 VIII General Office 128,000 755,769 1,691 6,475 231 920 223 825 Total •Office 755,769 10,049 6,475 1,372 920 1,326 825 Totals-.General Office 755,769 6,475 920 825 Alt Estimate as"Office Park" 755,769 7,860 1,215 980 ' Based on Trip Generation-5th Edition, Institute of Transportation Engineers, 1991. 2 Reflects total trips generated by phase building(s)as a freestanding project. 3 Reflects net off-site trips impacting streets outside the office park as a whole;the differences between phase total and net cumulative trips represent trips internal to the overall office park. Black River Corporate Park--Trip Generation (Current Plan Proposal)4 Phase Land Use Quantity(gsf) AWDT AM Peak Hour PM Peak Hour Phase Cum Phase2 Cum3 Phase2 Cum3 Phase2 Cum3 III General Office 70,036 70,036 1,010 1,010 140 140 158 158 IV-A General Office 74,915 144,951 1,063 1,765 148 251 163 242 IV-B General Office 74,915 219,866 1,063 2,430 148 349 163 326 V General Office 50,546 270,412 786 2,850 108 412 136 382 VII General Office 148,834 419,246 1,800 3,990 256 584 246 549 River Tech 1 Existing Office 73,000 492,246 1,042 4,510 145 664 161 . 631 River Tech II Prop Office 13,141 505,387 280 4,610 37 678 44 646 Net Increase 13,141 100 14 15 VIII Eliminated Subtotal Office 505,387 7,044 4,610 982 678 1,071 646 VI Hotels 110 Rms 61,545 800 64 68 Totals--Gen Office+Hotel 566,932 5,410 742 714 Change from Approved Project (188,837) (1,065) (178) (111) i 1 Alt Estimate as"Office Park" 566,932 6,320 935 794 Change from Approved Project (1,540) (280) (186) 4 Based on Trip Generation- 6th Edition, Institute of Transportation Engineers,1997. 5 Now under separate ownership and development from Black River Corporate Park. T • 't. f.°<t. DEPARTMENT OF THE ARMY SEATTLE DISTRICT,CORPS OF ENGINEERS w " P.O.BOX 3755 SEATTLE,WASHINGTON 98124-3755 REPLY TO o {( ATTENTION OF Regulatory Branch MAY 1 2 1999 Blackriver-Rivertech LLC c/o Theresa Henson Natural Resource Consulting Post Office Box 7208 Tacoma, Washington 98407 Reference: 1999-4-00444 Blackriver-Rivertech Gentlemen: A nationwide permit (NWP) authorizes a 0.02 acre wetland fill associated with construction of a parking lot on the Rivertech project in Renton, Washington. The wetlands in question are adjacent to the Black River/ Springbrook Creek system, and occupy portions of the northern half of a triangular site bounded by the Burlington Northern-Santa Fe railroad tracks on the north and the northerly end of Powell Street on the south. The proposal was the subject of a Department of the Army permit application we received form you on April 12, 1999. We assigned file number 1999-4-00444 to the case. The project does have to meet a series of conditions for this form of authorization to be effective, and the work must be performed as depicted on the drawings you submitted to us with your application. The regulations governing our permit program contain a series of NWPs. Each NWP authorizes a specific category of work, provided certain conditions are met. NWP 18 (Federal Register, December 13, 1996, Vol. 61, No. 241) authorizes the discharge of fill in an area of up to a tenth of an acre in circumstances like the one described in your application. Enclosed is the entire text of NWP 18 (Enclosure 1) . The regional conditions and certification requirements at the end of NWP 18 must also be met by this project. You must also comply with a set of conditions that apply to all nationwide permits (Enclosure 2) . This verification that NWP 18 will authorize the work will be valid for 2 years from the date of this letter, unless NWP 18 is modified or revoked at an earlier date. If the project meets the enclosed conditions, you will need no • further authorization from us for the work. You must still comply with any state and local requirements pertaining to the work. When the project has been completed, please fill out and return the enclosed compliance statement (enclosure 3) . If you have any questions, please contact me at telephone (206) 764-6907. I Si/cerely, j' 2"144,./ ackKennedy V4 fReulatorYProiect anager Enclosures MAY 2 1 1999 LPN Architects & Planners CiAir Wd'i:: n2 aff •'/y O' < lees`' STATE OF WASHINGTON DEPARTMENT OF ECOLOGY Northwest Regional Office, 3190- 160th Ave S.E. • Bellevue, Washington 98008-5452 • (425) 649-7000 June 1, 1999 Blackriver-Rivertech, LLC c/o Theresa Henson Natural Resource Consulting PO Box 7208 Tacoma,WA 98407 Dear Ms. Henson: Re: U.S. Army Corps of Engineers Reference#1999-4-00285- -Nationwide Permit #18 to place fill in 0.02 acres of wetlands adjacent to the Black River/Springbrook Creek system in Renton, Washington. This letter is to confirm that the above-referenced project will not require an individual water quality certification from the Department of Ecology. Your project does not meet the criteria for requiring a certification under Nationwide 18. This letter also confirms that the project, located in Section 13, Township 23 North, Range 4 East and Section18, Township 23 North,Range 5 East, received verification from the Department of Ecology that it is not located in state-listed habitat for endangered, threatened, or sensitive species. Please call me at (425) 649-7145 if you have further questions or would like more information. Sincerely, J,147v‘' Ann E. Kenny Federal Permit Coordinator Shorelands and Environmental Assistance Program AEK:aek Cc: Jack Kennedy, Corps of Engineers � .. 0 < < a3/ Will CENTRAL WASHINGTON UNIVERSITY Ellensburg,Washington 98926 Affirmative Action/Equal Employment Opportunity/Title IX DEPARTMENT OF ANTHROPOLOGY AND MUSEUM OF MAN i May 12, 1981 David Schuman First City Equities 900 4th Avenue, Suite 3818 Seatttle, Washington 98164 RE: Status of archaeological excavations at the Earlington Industrial Park. Site 45K159 Dear Mr. Schuman, I am writing in response to your request of April 20, 1981 for my clearance of archaeological site 45K159, located in the extreme northwest corner of the pro- posed Earlington Industrial Park in Renton, Washington_ As I have mentioned to you and to your assistant, Barbara Moss, I am not legally empowered to "clear" a site for construction, but can only give my professional evaluation of the site's significance. Having conducted extensive excavations at the site in Spring 1980 and after preliminary analysis of the results of those excavations, I am now in an excellent position to make such an evaluation. The site is 10 meters (30 ft.) wide and extends roughly east-west for at least 60 meters (195 ft.) along a former levee of the Black River. During occupation of the site and following its abandonment, the river has eroded away much of the artifact-bearing deposits. Erosion has been so extensive that the deposits resemble a complex stream bed, being made up of numerous cross-bedded layers and filled channels. Interpretation of the site has therefore been extremely difficult and would remain difficult regardless of how much earth was excavated. We have obtained a very large collection of artifacts from the site and I can say with some confidence that that collection is statistically representative of the site's contents. Although thousands of artifacts certainly remain in the site, the probability is very high that they are the same kinds of objects we have already recovered. We also took many samples of charred plant remains and have a large collection of fish and mammal bone from the site. That collection, too, was taken in such a way and is sufficiently large that I consider it to be representative of the site's contents. C- David Schuman May 12, 1981 page two The remains of structures - buildings of some kind - are evident, but because of the intense use of the site and damage done by the river it is and is likely to remain impossible to determine any details of building construction. In summary, it is my professional opinion that we have learned as much from 45K159 as can be learned. Subsequent excavations almost certainly would recover more of the same kind of data that we already possess and would not be cost effective. Incidentally, because the site is nearly four feet below the modern surface and is so long and narrow, it is unlikely that construction on this spot will damage it. Only if a deep basement were dug on this spot would the site be destroyed. Because the kind of use you plan usually does not entail such construction, at least some part of the site will certainly remain intact. Therefore1 even if the site were worth saving, which I believe it is not, its preservation would not require any -action on your part that is not already in your plans. If you need any other information, feel free to contact me. Thank you for making it possible to gather what useful data this site did contain. Sine rely, !;r/i/�/2 Y James C. Chatters Assistant Professor • �, • t t UNIVERSITY OF WASHINGTON SEATTLE,WASHINGTON 98195 April 1 , 1980 Institute for Environmental Studies Office of Public Archaeology Engineering Annex FM-12 (206) 543-8359 David M. Schuman, General Partner First City Equities Bank of California Center 900 Fourth Avenue Suite 3818 Seattle, Washington 98164 RE: Archaeological Test Excavations at the proposed Earlington Industrial Park Dear David: - The following report in letter format concerns the result of this office' s re- cent archaeological sub-surface test excavations at the proposed Earlington In- dustrial Park development in Renton, Washington. This work was conducted March 21 - 31 , 1980 by Stephen Elmore and Mindy Wright, and was the result of infor- mation derived from the Step 1 test coring activities at that site. STEP 1 : SUB-SURFACE TEST CORING RECOMMENDATIONS The test coring indicated possible cultural activity in the areas labeled "Area A" and "Area B" on the enclosed map. Both areas consisted of charcoal/organic staining below surface and warranted further investigation to assess the nature of the staining. It was evident from the test corings that Area B might be a redeposited matrix, due to the greatly varying depths of staining, and it was determined that a 1 x 1 meter test unit would yield sufficient vertical exposure to indicate whether or not this was, in fact, the case. Area A evidenced a much more even staining over a larger area and necessitated the excavation of at least one 1 x 2 meter test unit to more closely observe the nature of the staining and to determine the nature and vertical extent of any cultural material that might exist in that area. STEP 2: SUB-SURFACE TEST EXCAVATIONS AREA B Area B was first excavated , being taken down by 10 centimeter levels until an obviously redeposited matrix, as evidenced by a swirling "chocolate sundae" type layering, was encountered. This matrix was then removed (in order to observe whether or not it was underlain by any cultural matrices) , revealing natural , undisturbed bands of clay and sand down to a depth of 2.5 meters from the surface of the unit. No cultural material (other than a Titleist golf ball found some 29 centimeters below the surface) was recovered from this unit, and the staining • Recycled Paper r" i. David M. Schuman April 1 , 1980 Page Two observed in the test corings was most probably the result of anaerobic activity in the bottom of the adjacent stream,which was redeposited during a dredging of that stream. It is apparent that no cultural deposition or occupation occurred in Area B. AREA A • The 1 x 2 test unit in Area A was laid out at 49-50N/449-451E, and was excavated in 10 centimeter levels. Under the surface sod layer the matrix was a medium to light brown silty loam to a depth of approximately 85-90 centimeters, where it blended to a more clay-like matrix of the same color. No cultural material was discovered in these upper matrices, but at an average depth of approximately 100 centimeters the matrix darkened considerably to a mottled gray-brown clay, and in the 100-110 level some 61 fire-broken rocks, 10 bone fragments , 7 lithic flakes, one manufactured item (worked bone) , and many charcoal pieces were recovered. In the 110-120 level , the matrix became an intense black greasy clay, and con- tained over 200 pieces of fire-broken rock, 9 bone fragments, 8 lithic flakes , two manufactured items (a projectile point and a point/scraper) , and numerous charcoal fragments . The northwestern corner of the unit yielded evidence of a possible small pit and another small pit (approximately 40 centimeters in diameter) filled with fire-broken rock was discovered in the center of the unit. By the base of the 110-120 level , it was clearly evident from the intense concentration of cul- tural material that some cultural deposition/occupation had occurred, and it was decided to confine subsequent excavation to the western 1 x 1 (49-50N/449-450E) in order to more efficiently determine the vertical extent of the cultural de- posit. At an average depth of approximately 130-135 centimeters, the black staining be- gan to yield to a series of discrete bands of matrix. Cultural material started to thin out in these lower matrices though another 20 fire-broken rocks , 5-6 bone fragments and some smaller fish bones were recovered from 130 centimeters to 160 centimeters below the surface. Each of the bands beneath the intense black ma- trix was mottled and stained by elements of the other matrices and none could be defined as being an assured result of natural deposition. Though subsequent test coring indicated that there was a natural matrix at a depth of approximately 170 centimeters , this could not be confirmed by excavation due to the presence of the water table at a depth of only 163 centimeters . SUMMARY AND RECOMMENDATIONS The suppositions derived from the test coring results for Area B were borne out by the test excavation of the 1 x 1 meter unit. It was obviously apparent that the matrix in that area was redeposited by dredging activities in the adjacent stream and t at no cultural occupation or__activities occ .ed_in_ Ar.ea B. It is highly unlikely that construction activities will have any adverse affect on cultural • David M. Schuman April 1 , 1930 Page Three resources in Area B. While the absolute vertical extent of the cultural deposit in Area A could not be defined in the 1 x 2 test unit due to the encroachment of the water table, it is obvious from the heavy concentrations of cultural material above the water table that cultural activity and/or occupation did occur in that area . Evidence from the Step 1 coring activities would suggest that the approximate area of the cultural deposit in Area A is 20 x 35 meters (roughly 35-55N/435-470E) . It is our recommendation that Step 3 activities (large-scale excavations) be initiated in Area A. Specific details of the Step 3 activities are being prepared by Jim Chatters of this office and will be forwarded to you as soon as they are completed. We appreciate your concern for the cultural resources of the region and are more than happy to assist you in the early stages of your project. If you have any questions regarding this report or our recommendations, please feel free to con- tact this office at your convenience. Sincerely, Stephen H. Elmore Research Assistant Sincerely, James C. Chatters Acting Director cc: Jeanne Welch Deputy State Historic Preservation Officer Office of Archaeology and Historic Preservation 2_5 ow I i 2 604- ' • roow • / •• ~� 500E I• 1 „(w 2t0 E 1 1 1 00 N- • • • • • ARCA R �• • • • • .0...,� • fsN — • . • . • • • • • . • • • .AO i i �RR Er • r • . •Ib •`MP • i • • • •'I' • • • • • ` IS 'ZI• • • • • • 714 AMINO Ion 3 - ,ci.e Nau•E !T .00 • • • • • • • % ... •���� / Gt' , �VL/L. (../7�'�iY� - ` I �c‹ :..—� ZOOS — • • • I •( • •r r. ``-) �.... • • • I • • /Y14P 1 • f4XLims roa P./MK loos- R£NTOIJ , WA3N,.vGTO/'1 f / Ytvr -r `rzcr Co/GE I-0 U 774.41S efAt5rA. to. 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R it ,t en 0 • r••� nil M \:\\\ lip !�` �yQ{iir ,44/4/44.1i, 7 �frila I � (.�.6i,: 1: rr Y R` Ns Ana D'N M N O Y E ' A' PWi,al` J> Z 1111 IL 1 1 11031 0 ,- / seR a DETEPRIONPONO .._.e:' rtSITECC ui 'b' iI 1 I►' •,.,„•ram- ••A�w'fir R r o N T f C N N I C A I Nn.rww I .• ? / �i.__"_ %O�_� ,`�.' CO L E- 'j. "4014 - CC 0 slir- +�-w•_ _ .' 4 x.a. to- rOFFICE i I UST�iAL .��p�y• CC 3 a Z � •'� \ \ YA S H I N G T�;O ;I, ;'II. _ ..- t = O 2 1 ,.i . rr ,, CITY OF RENTON � T E CIA LI C N i _I +t \ OPEN SPACE 1 i/ UNDER OFFICE <.. I !- - i —• • i SCUSTNAL I cc-Z > •.w 't Gra 4A WI kn. I ''� - �y •Ay NINR Fyn +_\ i1 _ • _ _ - I ♦- `e*,'I -�'� Uw VO V �.';µ IMMO Imj" y' -:_ X .___I 1 .'N^ ;Y I' IN6 T O y1 !fr' - - .wf /� ARCHITECTURE - �`"" 1, 7 ~ e RN and MANNING 1�`\l r_ _ _,'� ;;7' ` l$IICLITEg d. ,1' r E C N.N I1 " I o 7 INDUSTRIAL r�9$-. VON MU i1.. I 1 C OFFICE ., 9t 45' 7� co a �I -TlyAR OONON10333 NU MAWS FORT ' I \ `. aN..'" / -•. < PARK NO.I _,, .� t It 1 -:.....�,, ... 1 /, i a O E N;`T °-,\ ,, .•. —! �-- 1—�� r !� sti . ! CryE N 'IE R II; N0T vroELto. •N, `s '� Pao, roor ! 4E, , ,�D .?.b . \, � r /�Sa 1, G�ygr MD11Q�! 3611. � z1� ` NEIGHBORHOOD - i VS �� (R�y� sF1N - sa DETAIL MAP s E 'r ' c %y. -� Va t �-o�I �-' �I I00"• lk P a.I�O Jar �Ra I�` Ir�I'I.I e. .a •mll YI �J S .N JEa U�':„� \ '° �1 bll. 411 b G G �m N"BLACKRIVER - RIVERTECH i t. m/ a Qrc '�e�/ �� ���L Hw— r NEIGHBORHOOD DETAIL MAP %\\ nrE EN.P.oq F .`E • • \ •.I. FSTaT lar my ao' em WY " JCS NO.� EON WIT No Cr 1 � NR �v�i/► 11a1q.N...,N. . E�r ` `._ 1- - ; SCALE 1" • 200' NORTH oa.Erm IIEN Z PROPERTY LINE PROPERTY NUNEy 0 EDGE OF WETLAND,VARIES 1 ~ (I! PARKIN RAILROAD Z RACKS IP co WETLAND FILL AREA l CC Q AVE. WETLANDS I- N—IIIIII-IIIIII!I=�II1111II IIIIII=1111 a III IIIIII—II�FIIIIIfJIIIIL IIIAi,G;; in -1i?iic=_Rn 1—mlll—INNI—uRR—RRR-111111 ,II—INm—mm—NII=11111�I 111 11I-IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I IIIIIIIIIIIIIIIIIIIIIIIIII 0 O J H I I _j> w ( • WETLANDS ) J w D- WETLAND FILL 0 I AREA,VARIES SITE FILL/GRADING '� 0 V Cr'� (OUTSIDE OF WETLANDS) W Z I—— a SITE SECTION - AA 20' 1 CC w >CO <z TABULATION-LEGEND --w Cr O 0 ACCESS SITE AREA /217,800 Sr(5 ACRES) EXISTING WETLAND t60,348 SF(1.38 ACRES) I = Q Z EASEMENT BUILDING AREA t13,141 SF PARKING(REQUIRED 40) 53 STALLS-PROPOSED I— O— IMPERVIOUS SURFACE t43,560 SF(1 ACRE) PARKING RATIO 4.0 STALLS/1000 SF U INCLUDES EXIST.ROADS STANDARD 9'X20'(18'+2') 37 w LO LANDSCAPE S.F. ±174,240 S.F.TOTAL W/WETLAND COMPACT 8'X16' 13 liJ ���4/# FORMAL t19,000 S.F. H.C. ACCESSIBLE 8'+5'X20' 2 C Z _> F PARKING t5.340 S.F. H.C. VAN 8'+8'X20' 1 Y cc CC Z I r••• NATURAL t149'900 S.F LOADING AREA 30'X30' C)w O • 1 ) ' • BUILDING HEIGHT ALLOWED 250.FT./PROPOSED 20 FT. AREA OF STRUCTUAL FILL ±950 CUBIC YARDS,INCLUDES <Cl- Q Z 1 ••• \ BUILDING SETBACKS OF PERMITTED(WETLAND0 02 RFILL J J I•,'••,•, • y• CO Q CD CC I r(ys1} REQUIRED S 15 FT. PROPOSED S 34 FT. ' 1•*- l EX� N 0 FT. N 70 FT. F•••'•.••5'" yE` A ST/lyr, BURCI"CrON NO w 0 FT. W 410 FT. I 1 f.•. . RTy fRN R 1 (�• '•• •1 ARC HIiECTU RE .:....:........:t �/•�1 • i �sLDPE UP AI�ROAD TRACKS ROY ER BERG. E GNN.KPRINNOPP, E S G1•• '1 f ' CIPAL Isss-.m AVE SOUK SlA8KO • TEA SEARLE.WASHINGTON 9lIJ. 1 �. '.LD3FEN S.E. .•••• 1704156.34620 AAA NuoMe °II I ' '.• • •"''Nf/IAII', 'N K'. '''•'•'•'•'''•',','' '•LIN2'bF•MAX FILL ar'���. 'AREA-T/60'AC•,• �2 i' • �_5'MIN SETBACK ' {'�I 1• • • 50 AVERAGE SETBACK ,"•\• • TjF:y\� NEW PARKINC'�'�.•.•. 7�. ' 1• • V •, , TRASH ENCLOSURE -,-• �� . NO DESCRIPTION DATE 1 EXISTING PAVED-- - OFFICE BUILDING ERXCE NREA • i_ 70 74 1 1 ACCESS ROAD •� N�- f --"-- /�� �$WI!I,��� ". V -AREA 0 FIGk _y +I 1.3141 SF _ _ T. _ PRELIMINARY 8-3-99 • A 140 F� Y,.c" ��� ,� � � �` 1I SITE PLAN APPROVAL 8-13-99 a_iii; _ Y/Sr -1 l",/lli 1 SI ORY ' : �BANRAL AREA `\�CD � ;"11wirt., ��, NEW PARKI ,� �, ar ORu (',E�SwAIEW'A �� ��+NY•IY.ag�WN 1 _ _'�E • •• --- i •4! �'�� ui=.-,:liS�L�141:5j7"flIE-11. -.!-- �N� - - EXISTING MAINTENANCE ACCESS RO ASEMEN�� - -� _.. A TRANSFORMER CATCH BASIN EXISTING DRMNAGE SWALE 10'PIPELINE I STORM DRAINAGE EXIST 1\ ING UPUtt EASEMENT EXISTING TREES EASEMENT SITE PLAN & EASEMENT PER PLAT STREET LIGHT REC.N0.871102435 TO REMAIN TYP. ; R E%ISRNC LAWN VEHICLE TURN-AROUND SITE SECTION ail f$0 aL/WATER SEPARATOR AREA \\ TREES TO BE REMOVED S NEW MONUMENT TYPICAL- 7 COTTONWOOD(12'-IB'MAJORITY) R SIGN <i 1 26'GREEN ASH WRI I 2 12•HAORW Q EXISTING SIDEWALK $ O 0 20' 40' BO' 160' G:e 99008/SITE-3.DWG ,• I 3J0' NV MNIC RIM NORM MOM It A�•E JOB NO: SHEET NO OF'. / IWX.iaM! DATE' 7-8Ii5 DRAWN: RAMTLYK A-1 SITE PLAN 40' 2 CHECK 11IV-A24.p OO/10/99 257 P Amp, wimp, . - ,7 �\ ' � • - I / I / I. , , :ti �1�' 6,`�L ,/ _i -� I I// I I J ■— 1 1 1 I I I 1-1 J Fl sill J f__� ifL� _, I �A 1 1 I . L l I I , 1 r-7 R , ' a 8 I I IN f s r A 40M ., J � � h • I I /\ I o I+i 111 O - W I 0 33 c 1- 1 Z 8. lei M4 f CD i%" i -n a 0 o s 0 m m #lir° !A BLACKRIVER - RIVERTECH L.L.C. 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CITY OF RENTON 700 Fifth Avenue, Suite 6000 AUG 2 6 1999 Seattle, Washington 98104 RECEIVED NRCNATURAL RESOURCE CONSULTING Assessment,Management and Regulatory Permitting P.O.BOX 7208 TACOMA, WASHINGTON 98407 (253)756-0370 FAX: (253)756-0155 EXECUTIVE SUMMARY The findings and conclusions presented in this report are based on an interpretation of information currently available to Natural Resource Consulting. This summary is for introductory purposes and should be used only with the full text of this report. This wetland delineation was based on the On-Site Determination Method described in the Corps of Engineers Wetland Delineation Manual(1987). Based on the information derived through site reconnaissance and readily available documents a Palustrine scrub-shrub, emergent seasonally flooded wetland was identified on the site. The wetland is 1.39 acres (60,348 square feet) in size. The wetland would be classified as a High Quality, Category 2 Wetland using the City of Renton Wetland Management Ordinance. The wetland would meet this classification because it is greater than 2,200 square feet in size, located at the headwaters of a drainage system, and has a hydrologic connection, through a storm water drainage ditch, with the P-1 Channel. The City of Renton Wetland Management Ordinance currently requires a 50 foot buffer between Category 2 Wetlands and land development activities. Impacts to the wetland may require permits from the City of Renton, the U.S. Army Corps of Engineers, and potentially the Washington State Department of Ecology. H-1009-02 TABLE OF CONTENTS Page EXECUTIVE SUMMARY 1.0 INTRODUCTION 1 1.1 Scope of Services 1 1.2 Site Location and Description 1 2.0 DOCUMENT REVIEW 2 2.1 U.S. Fish and Wildlife Service National Wetland Inventory Map 2 2.2 City of Renton Wetland Inventory 2 2.3 Soil Conservation Service Soil Survey of the King County Area 2 3.0 SITE RECONNAISSANCE 2 3.1 Site Conditions During Site Visit 2 3.2 Topography 3 3.3 Fauna 3 3.4 Vegetation 3 3.5 Soils 3 3.6 Hydrology 3 4.0 WETLAND AREA 4 5.0 WETLAND FUNCTIONS AND VALUES 5 5.1 Biologic Functions 5 5.2 Hydrologic Functions 5 6.0 WETLAND REGULATION 5 7.0 CONCLUSIONS 6 8.0 CLOSURE 6 REFERENCES 8 ii H-1009-02 TABLE OF CONTENTS (continued) LIST OF TABLES Table No. 1 Vegetation Species Identified On the Site 2 Results of the Triple Parameter Approach for Each Data Point LIST OF FIGURES Figure No. 1 Vicinity Map 2 Site Map 3 Soil Conservation Service Map LIST OF APPENDICES APPENDIX A WETLAND DELINEATION METHODOLOGY APPENDIX B DEFINITION OF PLANT INDICATOR STATUS AND FIELD SHEETS APPENDIX C MODIFIED REPPERT WETLAND VALUES EVALUATION SHEET iii H-1009-02 WETLAND DELINEATION REPORT RIVERTECH PHASE II RENTON, WASHINGTON 1.0 INTRODUCTION Natural Resource Consulting has completed a wetland delineation for the Rivertech Phase II Project located north of and at the end of Powell Road in Renton, Washington (Figure 1). This work was performed to assist in site planning related to future development. 1.1 Scope of Services The scope of work for this study was limited to the following tasks: Review of federal and local regulations pertaining to the wetland identified on the subject site. The review was used to classify the on-site wetland. A visual assessment to observe existing site conditions and to identify and flag the wetland located on the site. This was accomplished using field procedures consistent with the Corps of Engineers Wetland Delineation Manual(1987) (Appendix A). A review of documents readily available, including local wetland inventory maps, U.S. Fish and Wildlife Service National Wetland Inventory Maps, and the Soil Conservation Service Soil Survey of the King County Area. Assessment of the identified wetland to help determine the overall functions and values of the wetland. A report documenting the process, findings, and conclusions for this project. 1.2 Site Location and Description The triangular-shaped parcel contains approximately five acres of land and is located north of and at the end of Powell Road in Renton, Washington(Figure 1). A strip of the site thirty feet wide along the length of the western edge and the southwestern corner of the property contains a paved access road off of Powell Road. Beyond the road in the southwest corner of the site a portion of an east-west trending storm water drainage ditch comes onto the site(Figure 2). The property is located in the southeast quarter of Section 13, Township 23 North, Range 4 East, and the southwest quarter of Section 18, Township 23 North, Range 5 East. The site is bounded along the northeast by a steep slope with railroad tracks at the top-of-slope, along the south by the end of Powell Road, office buildings and associated parking, and on the west by a building and 1 H-1009-02 associated parking. The site contains Palustrine scrub-shrub, emergent, seasonally flooded wetland communities that would be classified as a High Quality, Category 2 Wetland using the City of Renton Wetland Management Ordinance(Figure 2). 2.0 DOCUMENT REVIEW 2.1 U.S. Fish and Wildlife Service National Wetland Inventory Map The U.S. Fish and Wildlife Service National Wetland Inventory Map of the Renton, Washington Quadrangle, 1:24,000 scale(1988), does not identify wetland on the subject site. 2.2 City of Renton Wetland Inventory The City of Renton Wetland Inventory(1992)identifies wetland W-15, as containing Palustrine forested, scrub-shrub wetland communities on the site. 2.3 Soil Conservation Service Soil Survey of the King County Area The U.S. Soil Conservation Service Soil Survey (SCS) of the King County Area, Washington (1973), was reviewed to determine the general nature of soils on the subject site. The site is mapped as containing Woodinville silt loam(Figure 3). The following soils information was taken from the SCS 1973 publication. The Woodinville series is a poorly drained soil formed in alluvium, typically found in stream bottoms. Typically, the soil is a gray silt loam, silty clay loam, and layers of peaty muck to a depth of 38 inches. Often found in this unit is as much as 15 percent Puget soils, and 10 percent Snohomish, Oridia, Briscot, Puyallup, Newberg and Nooksack soils. The seasonal high water table is at or near the surface. Woodinville silt loam is listed by the Washington State and King County SCS as hydric (wetland) soil. 3.0 SITE RECONNAISSANCE 3.1 Site Conditions During Site Visit On March 3`a , 1997, Ms. Theresa Henson with Natural Resource Consulting visited the subject site to delineate and evaluate the wetland. The site was visited again on March 6th, 1997, to confirm the wetland conditions after a major rainfall and flood event. The site visit included a visual observation of the subject site and surrounding area. Vegetation, soils, and hydrologic conditions on the site appear to be stable. The wetland is a broad swale that is topographically controlled. The on-site portion of the wetland is approximate 1.39 acres(60,348 square feet) in size. The functions and values of the wetland were evaluated using a Modified Reppert Wetland 2 H-1009-02 Values Evaluation form (Appendix C). 3.2 Topography Based on topographic data provided by a 1989, Bush, Roed and Hitchings, Inc., survey, topographic relief on the site ranges from approximately 18 feet in the eastern portion of the site, 15 to 16 feet along the property boundaries, and 10 to 12 feet within the wetland. 3.3 Fauna Several species of songbirds were observed on the site. Evidence of various animal species on the site was also noted. Coyote scat was observed in the central portion of the site. No plant or animal species, listed federally or by the state as threatened or endangered, were observed on the site. A Great Blue Heron rookery is located approximately 1,400 west of the site. 3.4 Vegetation Ten representative data plots were established to document plant species and dominance of vegetation on the subject property(Figure 2). The vegetative species composition varied from an upland mixed black cottonwood/red alder forest along the south and northwest portions of the site to a dense blackberry thicket in the central portion of the site, to an emergent wetland dominated by sedges and buttercups, to a scrub-shrub wetland dominated by willow, salmonberry and red osier dogwood. The wetland plant communities are predominantly the shrub and emergent areas and the uplands are predominantly composed of the forested and blackberry shrub communities. Data forms detailing observations for vegetation are included in Appendix B. 3.5 Soils During the site reconnaissance, soil conditions, including color, texture, and relative moisture content, were observed and recorded ten data points on the subject site. The indicators used to identify hydric soils can be found in Appendix A. Soil types observed on the site ranged from silt loams to silt loams with high organics. Field sheets detailing observations for soils are included in Appendix B. 3.6 Hydrology Hydrologic conditions, including saturated soils, as well as indicators of wetland hydrology as defined by the 1987 Manual, were observed at two of the ten data plots (Appendix A and Table 2). Generally the site contains saturated soils near the surface (within 12 inches) in the eastern portion of the wetland, and soils saturated to the surface and ponded water throughout the rest of the wetland. Groundwater on the remainder of the site was between three to five feet below the surface. Direct discharges onto the site from culverts, ditches or other point discharges were not identified on the site. Water within the wetland appears to be due to direct rainfall, local surface 3 H-1009-02 water runoff, and shallow groundwater. Field reconnaissance of the site was conducted during the wet time of the year following a period of heavy rain. For this reason, the water table is not expected to rise much higher than the observed level unless a large flood event occurs. Areas in which the data points did not indicate wetland hydrology were classified as uplands. 4.0 WETLAND AREA Based on the use of the triple-parameter approach defined within the 1987 Manual, one wetland was identified on the subject property. Vegetation species were identified and classified with a Wetland Indicator Status(WIS), soil conditions were identified and labeled, and observations of hydrologic conditions were made at ten data points on the site. The wetland was classified as such because all three wetland parameters were present (Table 2). According to the classification system developed by the U.S. Fish and Wildlife Service (Cowardin et al., 1979), the wetland habitats on the site would be classified as Palustrine scrub-shrub, emergent, seasonally flooded communities. Dominant vegetation within the western two-third of the wetland is comprised of sedges(Carex spp.), soft rush(Juncus effusus), buttercup (Ranunculus repens), red osier dogwood (Cornus stolonifera), salmonberry (Rubus spectabilis), red alder saplings(Alms rubra), willow(Salix spp.), and Douglas spiraea(Spiraea douglasii). The dominant vegetation within the eastern third of the wetland is reed canarygrass (Phalaris arundinacea). The upland boundaries of the wetland contain a mixed black cottonwood/red alder forest with a shrub layer dominated by red elderberry(Sambucus racemosa), Indian plum (Oemleria cerasiformis), and Himalayan blackberry(Rubus discolor). The eastern central portion of the uplands is a monotypic stand of Himalayan blackberry. Soils in the wetland were dark silt loams with high organic content indicative of hydric(wetland) soil conditions. During the March 3`d, site visit at least 50 percent of the wetland contained ponded water from one inch to 12 inches deep. The northwest corner of the wetland contains an area approximately 20 by 40 feet in size where water was between three and four feet deep. The remainder of the wetland contained saturated soils at or near the ground surface. During the March 6t , site visit the depth of ponded water increased by approximately 4 inches, and covered more of the wetland. Data Points 1, 2, 4, 5, 7, 8, 9, and 10 within the uplands portion of the site were reevaluated during the March 6th, site visit to observe if wetland hydrology was present after a major rainfall and flood event. The test pits were filled between the site visits and a new test pit within one-foot of the original was excavated during the second visit. Indicators of wetland hydrology were not observed at the data points that were reevaluated (Appendix B). Direct discharges onto the site from culverts, ditches or other point discharges were not identified 4 H-1009-02 on the site. Water within the wetland appear to be due to direct rainfall, local surface water runoff, and shallow groundwater. The wetland discharges water off of the site in two location; (a) a culvert locate along the south central wetland boundary, and (b) a ditch located northwest of the site. The culvert discharges into a drainage ditch located southwest of the site and ultimately releases into the P-1-Channel located approximately one-mile west of the site. The ditch northwest of the site flows west for approximately one-mile and discharges into the P-1 Channel. 5.0 WETLAND FUNCTIONS AND VALUES A Modified Reppert Wetland Values Evaluation form was completed for the project (Appendix C). The general biologic and hydrologic functions of the wetland are described below. 5.1 Biologic Functions The wetland in the project area provides generally moderate biologic functions. The general habitat contains shrub and emergent plant communities with downed logs, snags and the railroad embankment with vegetative cover. The wetland has some limitations due to being surrounded by roads, the railroad grade, and developed areas. 5.2 Hydrologic Functions The on-site wetland provides moderate hydrologic functions. In general the system is a seasonally flooded, headwater wetland interconnection with the P-1 Channel via a storm water drainage system. The wetland does retain surface water runoff during flood events. The wetland does receive runoff from non-point sources such as roads and the railroad grade, and the wetland structure provides water purification functions. 6.0 WETLAND REGULATION The wetland would be classified as a High Quality, Category 2 Wetland using the City of Renton Wetland Management Ordinance. The wetland would meet this classification because it is greater than 2,200 square feet in size, located at the headwaters of a drainage system, and has a hydrologic connection, through a storm water drainage ditch, with the P-1 Channel. The City of Renton Wetland Management Ordinance currently requires a 50 foot buffer between Category 2 Wetlands and land development activities. Buffer averaging with a minimum 25 foot buffer is allowable. Impacts to the on-site wetland would require permits from the City of Renton, as well as the U.S. Army Corps of Engineers (Corps), and potentially the Washington State Department of Ecology (Ecology). It is recommended that the Corps be notified of proposed fills to the on-site wetland and that appropriate permits be acquired. 5 H-1009-02 7.0 CONCLUSIONS Based on the Corps' 1987 Manual, vegetation, soils, and hydrologic conditions necessary for an area to be considered wetland were found on the site. The on-site wetland generally has moderate functions and values due to its size (1.39 acres), and structural diversity. The wetland habitats on the site would be classified as Palustrine scrub-shrub, emergent, seasonally flooded communities, and would be classified as a High Quality, Category 2 Wetland using the City of Renton Wetland Management Ordinance. 8.0 CLOSURE The findings and conclusions documented in this report have been prepared for specific application to this project. They have been developed in a manner consistent with that level of care and skill normally exercised by members of the environmental science profession currently practicing under similar conditions in the area. Our work was also performed in accordance with the terms and conditions set forth in our proposal dated February 24th, 1997. The conclusions and recommendations presented in this report are professional opinions based on an interpretation of information currently available to us and are made within the operation scope, budget, and schedule of this project. No warranty, expressed or implied, is made. Wetland boundaries identified by Natural Resource Consulting are considered preliminary until the flagged wetland boundaries are validated by the Corps and/or the local jurisdictional agency. Validation of the wetland boundaries by the regulating agency(s) provides a certification, usually written, that the wetland boundaries verified are the boundaries that will be regulated by the agency(s)until a specific date or until the regulation are modified. Only the regulating agency(s) can provide this certification. 6 H-1009-02 Since wetlands are dynamic communities affected by both natural and human activities, changes in wetland boundaries may be expected; therefore, wetland delineations cannot remain valid for an indefinite period of time. The Corps typically recognizes the validity of wetland delineations for a period of five years after completion. Development activities on a site five years after the completion of this wetland delineation report may require revision of the wetland delineation. In addition, changes in government codes, regulations, or laws may occur. Because of such changes, our observations and conclusions applicable to this site may need to be revised wholly or in part. NATURAL RESOURCE CONSULTING Theresa R. Henson Natural Resource Ecologist H1009.01.RPT 7 H-1009-02 REFERENCES Cowardin, L.M., V. Carter, F.C.Golet, and E.T. LaRoe, 1979, Classification of Wetlands and Deepwater Habitats of the United States, U.S. Fish and Wildlife Service Publication FSW/OSB-79/31. Environmental Laboratory, 1987, Corps of Engineers Wetlands Delineation Manual Technical Report Y-87-1, U.S. Army Waterways Experiment Station, Vicksburg, Mississippi. Jones& Stokes, Inc., 1990, Wetland Delineation --Rivertech Corporate Park, February 6th . Munsell Soil Color Chart, 1994, Rev. ed.: Baltimore, Maryland, Kollmorgen Instruments Corporation. Reed, P.B., Jr., 1988, National List of Plant Species that Occur in Wetlands: Northwest (Region 9), U.S. Fish and Wildlife Service Biological Report 88 (26.9). Renton, 1992, Ordinance No. 4346, Chapter 32 Wetland Management, Renton, Washington. Reppert, R.T., W. Sigleo, E. Stakhiv, L. Messman, and C. Beyers, 1979, Wetland Values Concepts and Methods for Wetland Evaluations: U.S. Army Corps of Engineers, Institute for Water Resources, Fort Belvoir, Virginia. U.S. Army Corps of Engineers, 1997, Final Regional Conditions, 410 Water Quality Certification Conditions, Coastal Zones Management Consistency Responses for Nationwide Permits for the Seattle District Corps of Engineers for the State of Washington, Special Public Notice, March 5. U.S. Department of Agriculture, Soil Conservation Service, 1973, Soil Survey of the King County Area, Washington. U.S. Fish and Wildlife Service, 1988, National Wetland Inventory Map, Renton, Quadrangle, Washington. 8 H-1009-02 TABLE 1 VEGETATION SPECIES IDENTIFIED ON THE SITE TREES Bigleaf Maple Acer macrophyllum Black Cottonwood Populus trichocarpa Oregon Ash Fraxinus latifolia Red Alder Alnus rubra Willow Spp. Salix spp. SHRUBS Bracken Fern Pteridium aquilinum Douglas Spiraea Spiraea douglasii Elderberry spp. Sambucus racemosa Himalayan Blackberry Rubus discolor Indian Plum Oemleria cerasiformis Red Osier Dogwood Cornus stolonifera Salmonberry Rubus spectabilis Stinging Nettle Urtica dioica Sword Fern Polystichum munitum HERBS Buttercup Ranunculus repens Reed Canarygrass Phalaris arundinacea Rush Spp. Juncus spp. Sedge Spp. Carex spp. Stinging Nettle Urtica dioica Note: This listing represents the major plant species identified. There may be other species present on within the subject site that are not listed. H-1009-02 TABLE 2 RESULTS OF THE TRIPLE-PARAMETER APPROACH FOR EACH DATA POINT Wetland Wetland Wetland Data Point Vegetation Hydric Soils Hydrology Determination 1 No No No Upland 2 Yes No No Upland 3 Yes Yes Yes Wetland 4 Yes No No Upland 5 Yes No No Upland 6 Yes Yes Yes Wetland 7 No No No Upland 8 Yes No No Upland 9 No No No Upland 10 No No No Upland H-1009-02 z (/Ttia R SUNSET ."1- SIT OPKDALE 7TH 7TH U to z w 0 0 N Ri\•ertech Phase 11 Project Renton. Washington Approximate Scale 1 inch to 4800 feet VICINITY MAP March 1997 H-1009-01 Natural Resource Consulting FIG. I Assessment.Management and Regulator'Permitting Note: Map adapted from The Thomas Guide. 1995. 4. v _w11 • r, r+ I SOS 14 . a c.90a I • z �, o"8 IO_ N 1 n 2 A = 19'44'09" Z cc gam" a N - R = 1005.37' cc,) •0 4 T = 174.88' Z GRAPHIC SCALE _ W L = 346.30' .a ��� �c,ataavlc 4:5 (/) --- 1 IN FEET 1 ------------ Q W 171 <Li 1 Inch- 50 IL LL1 Z W 5 1 c4 p<Ec 4Z J _=;h coC Y 5 ' /c U QQ 00 ONm 'ct 4,7 m 1 .."''... 4 3 gir ,,,,.4/ ,,,''' >7. . WETLAND 29 C3 mil- /f . 18 '� -__ N88'15'01"W T a----•4 816.34' 5cr Dr.....D4 - - •E--�— N89 , .,W Z 51.•m„, 1 r �_._ ' I s1..41' ' v.,.:.,.3N BL,Id" o I 81.57' �" o w I N /' q w &) < a�eI,\ 'n 1 U J /� t�� w = w i.... DESCRIPTION 2 a O I THAT EAST ANDNTor THE SOUTHWESTSOUTHEAST QUAVER O► SECTIONSECTION I8,I TOWNSHIP PNIP 272NTORTH, RANGE RANGE r O tea{ _ Rivertech Phase II Project TOTAL AREA CONTAINS 217,800 SQUARE FEET EAST, Y.N., RING COUNTY, WASHINTON, DESCRIBED AS FOLLOWS: • Z U 4 Renton,Washington OR 5.00 ACRES. BEGINNING AT THE INTERSICTION Er THE EAST LINE OF SAID SOUTHEAST QUARTER WITS L' f �. W THE NORTH LINE CO THE SOUTH A50.00 FEET THEREOF, SAID NORM LINE SLING ALSO l.L W THE NORTH LINE OF WASHINGTON -COMICALCCICAL CENTER AS RECORDED IN VOLUME 122 OF (. LAW 1-- ' K 1 WETLAND AREA CONTAINS 60,348 SQUARE FEET PLATS, FACES 98 THROUGH 102, RECORDS OP SAID COUNTY; THENCE NORTH 88.15'O0" hi WEST ALONG SAID NORTH LINE 1,C99.78 FEET; THENCE NORTH 1.45.00. EAST 418.89 10 fh SITE MAP OR 1.3854 ACRES. FEET TO A POINT ON THE SOUTHERLY LINE OF THE CHICAGO, MILWAUKEE, ST. PAUL AND z J a PACIFIC RAILROAD RIGHT-OF-WAY, SAID POINT BEING ON A CURVE WITH A RADIUS Of < Q tY (n D,-Vt March 1997 1005.37 FEET, THE RADIUS POINT OF WHICH BEARS NORTH 28.15'OS" EAST; THENCE �� H-1009-01 SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346.30 FEET; THENCE SOUTH = 41 DD i I I D-1"' Pe'Pi$ (.,.11�:1 buRc' 71•29'07"EAST ALONG SAID SOUTHERLY LINE 912.08 FEET TO THE NORTH LINE OF THE U '1 r— FI•"i 1'h���on O� •/'no W..Iq SOUTH 650.00 FEET OP THE SOUTHEAST QU OF THE SOUTHWEST QUARTER OF SAID Z n p Z I J AJa{tl`. SECTION 18; THENCE NORTH 89.10'25"WEST ALONG SAID NORTH LINE 81.57 FEET TO W D i THE POINT Of /CGI NMIMG, CONTAINING 5.0000 ACRES. a Natural Resource Consulting FIG. 2 Assessment,Management and Regulatory Permitting I 1 N I PUTTED 1' = 50' 3/24/97 ▪0 Y MfR2S1997 w^^ y 97052.00 It — 1 U\ 5255\XSUR-WET.DV:G 1 P. l'il .2t �� Ij j AgD I ., T•• / ( ' I.. •` Q: `11114 t II A R'0' � '\ . . 9s), Rc _ It. . j ,7ii. NN--, :•lirt. , ;!Ill' • .. • 4,,. ��.:.• .e .. . 3 Ahletic�� ,,' ntriV; rII. ubsl ' '• ` � � �° 'Field j� _ .. �I \ - - • 1. ur --. fit — N r -1 .. :aseb�lf j pia,lr,,, 1 • � �i!' �\II Li;rk E3eD4/111, .BeC• bt. .4• ...) 4 , . ..:' ...14 ..... ..Rh 74W7111.11144,' ..II 211/filie ill" Ir.a, RA_ ROAD Iq \ �' a./1., ,-IIrl•l'1'41111g11ih1 ¢ \\ '1 . RAp - •�*7f�t ,\ fR•• i 1 1 ,, ,:,,‘. , v- .) _e \ i -. `: : °, III' 1ii_ 1� .♦ UrAkF CI / Wo y *Ilk MC [�Course 11 ` ° I 3ol / I ' --1--__ytsc\ Ilr pAcF—+�. . i . F.1'-. - `I �ii ti 1 •li AmC \ ' ew.S ORTNE 00'�6• • ,I •--•--- ° Substa i Ai"( 010 . _.--_, AgC A . • • .t(f •� AgD 20 11 /k• :M 16 9 • ' o a ,II • • irk 0 R,aed �. u r 1 •„ ,.[ier mi n. Y/ Wo / __ ... 1 13eD 4! M . N Rivertech Phase II Project Renton,Washington Approximate Scale 1 inch to 2,000 feet SOIL CONSERVATION SERVICE MAP March 1997 H-1009-01 Note: Soil Conservation Service Map for the Natural Resource Consulting FIG. 3 King County Area(1973). Assessment,Management and Regulatory Pzmtitting APPENDIX A WETLAND DELINEATION METHODOLOGY H-1009-02 APPENDIX A WETLAND DELINEATION METHODS The triple parameter approach of the Corps of Engineers Wetland Delineation Manual(1987) was used to delineate the extent of wetlands on the site. Under this methodology, vegetation, soils, and hydrology are each evaluated to determine the presence or absence of wetlands. Based on the use of this method, an area is considered to be a wetland if each of the following are met: (1) dominant hydrophytic vegetation is present in the area, (2)the soils in the area are hydric, and (3) the necessary hydrologic conditions within the area are met. The Routine On-Site Determination Method described in the Corps of Engineers Wetland Delineation Manual, were used for the evaluation of triple parameter criteria for this project. This methodology was selected because differences in vegetation types were easily observed, aiding in the identification of areas likely to meet the hydrology and soils criteria of the triple parameter approach. Wetland boundaries were determined by conducting a walking inspection of the property. As part of this inspection, species of vegetation, soil conditions, and hydrologic conditions were noted at several data plots to more accurately determine the boundaries of on-site wetlands. Wetland Vegetation Hydrophytic plants are plants specially adapted for saturated and/or anaerobic conditions. The U.S. Army Corps of Engineers and the U.S. Fish and Wildlife Service has assigned an indicator status to many plant species that is based upon the estimated probability of the species existing under wetland conditions. Plants are categorized as Obligate (OBL), Facultative Wetland (FACW), Facultative(FAC), Facultative Upland (FACU), and Upland (UPL). Species with an indicator status of OBL, FACW, or FAC are considered to be adapted to saturated and/or anaerobic(i.e., wetland) conditions and are referred to as hydrophytic vegetation (Appendix B). Trees and shrubs within a 30-foot radius and herbs within a 5-foot radius of each data plot were identified and noted. The approximate percentage of cover for each of the different plant species occurring within the tree, shrub, and herb strata was determined. Dominant plant species are considered to be those that, when cumulatively totaled in descending order of abundance, exceed 50 percent of the areal cover for each vegetative stratum. Any additional species individually representing 20 percent or greater of the total areal cover for each vegetative stratum are also considered dominant. A-1 H-1009-02 The indicator status of the dominant plant species within each of the vegetative strata are used to determine the presence of hydrophytic vegetation near each data plot. A data plot was considered to have hydrophytic vegetation if greater than 50 percent of the dominant plant species within the area had an indicator status of OBL, FACW, or FAC. Hydric Soils Hydric soils are defined as those soils which are saturated, flooded, or ponded long enough during the growing season to develop anaerobic conditions that favor the growth and regeneration of hydrophytic vegetation. As a result of anaerobic conditions, hydric soils exhibit characteristics directly observable in the field, including high organic matter content, greenish or bluish grey color(gley formation), accumulation of sulfidic material, spots of orange or yellow color (mottling), and dark soil colors (low chromas). Throughout a large portion of the area delineated as wetland, identification of hydric soils was aided through observation of surface hydrologic characteristics and indicators of wetland hydrology(i.e., drainage patterns). The areal extent of hydric soils was defined through direct soil observation within several data plots placed both inside and outside the wetland. Soil observations were completed within soil data plots dug with a shovel to a depth of at least 16 inches below the existing ground surface. Soil samples were examined for the presence of hydric indicators. Soil organic content was estimated visually and textually. The presence of sulfidic material was determined by the presence of sulfide gases(i.e., a "rotten egg" odor). Soil colors were recorded after being determined through use of the three aspects of color in the Munsell Soil Color Chart: hue, value and chroma(e.g., a soil designated as 10YR 6/2 has a hue of 10YR, a value of 6, a chroma of 2, and a soil color name of light brownish gray). A soil chroma of two in combination with soil mottling or a soil chroma of one without soil mottling typically indicates a hydric soil. Wetland Hydrology Hydrologic conditions identifying wetland characteristics occur during those periods when the soils are inundated permanently or periodically, or the soil is continuously saturated to the surface for sufficient duration to develop hydric soils and support vegetation typically adapted for life in periodically anaerobic conditions. Research has indicated that duration of soil saturation and inundation during the growing season is more influential on the plant community than the frequency of soil saturation and inundation during the growing season. For the purposes of this A-2 H-1009-02 wetland delineation, the wetland hydrology criterion was considered to be satisfied if it appeared that wetland hydrology was present for at least 5 to 12 percent (12 to 29 days) of the growing season. The growing season begins when the soil reaches a temperature of 41 degrees Fahrenheit in the zone of root penetration. The hydrology was evaluated by direct visual observation of surface inundation or soil saturation within 16 inches below the existing ground surface in data plots. According the 1987 Manual, "for soil saturation to impact vegetation, it must occur within a major portion of the root zone (usually within 12 inches of the surface) of the prevalent vegetation." Therefore, if saturated soils or indicators were observed within 12 inches of the surface, positive indicators of wetland hydrology were noted. The area near each data plot was also examined for indicators of wetland hydrology. These indicators include dried water marks, drift lines, sediment deposits, and drainage patterns. It was not possible to observe conditions during the entire growing season. Areas where positive indicators of hydrology were noted were assumed to contain wetland hydrology. A-3 H-1009-02 APPENDIX B DEFINITION OF PLANT INDICATOR STATUS AND FIELD DATA FORMS H-1009-02 APPENDIX B DEFINITION OF PLANT INDICATOR STATUS AND DATA FORMS Indicator Category Definitions OBL Obligate Wetland. Occurs almost always(estimated probability>99%) under natural conditions in wetlands. FACW Facultative Wetland. Usually occurs in wetlands(estimated probability 67-99%), but occasionally found in uplands. FAC Facultative. Equally likely to occur in wetlands or uplands (estimated probability 34-66%). FACU Facultative Upland. Usually occurs in uplands (estimated probability 67- 99%), but is occasionally found in wetlands (estimated probability 1- 33%). UPL Obligate Upland. Occurs in wetlands in other regions (as defined in the National List of Scientific Plant Names), but occurs almost always (estimated probability>99%)under natural conditions in uplands in the region specified. NI No Indicator. These species have not been given an indicator status. They are assumed to be upland. Source: National List of Plants That Occur In Wetlands: Northwest (Region 9). U.S. Fish and Wildlife Service Biological Report 88 (26.9). 89 pp. H-1009-02 Data Point r of DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: R.',rer'Fe c_It NIA-5 e. _.L Date: 3—3 -17 Applicant/Owner: Alper N L) City: f e n'+o Investigator: T12 N Job #: N -'0 o 9- 0 I County: 14 State: WA Have vegetation, soils, or hydrology been disturbed: Yes 'No Is the area a potential Problem Area: Yes o (If needed, explain on reverse.) VEGETATION Dominant Plani Species Stratum %Cover_ Indicator Dominant Plant Species Stratum %Cover Indicator Q,2,�ler,(A_ : Ct' ..5.{c;r,h1 S)1 3 y 2. Atn,.. rub;tit Sh 2Z.J P-4-C 2. 3.Sam buru5 t-4crmc52 Sit QC F#C !-L 3. 4 4. 5. o _ 6. 7 7. 8. 8. Percent of Dominant Species that are OBL, FACW or FAC(except FAC-). *-Dominant species. 3 :3 9c= Cowardin Classification: Remarks: mossy 3 4-I09,_, HYDROLOGY y Recorded Data(Describe in Remarks): Wetland Hydrology Indicators P%C _Stream.Lake.or Tide Gage Aerial Photograph • Inundated _Other Saturated in Upper 12 Inches _ No Recorded Data Available Water Marks Water Lines Sediment Deposits Field Observations: �'�'" — Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: (in.) Water-Stained Leaves Depth to Saturated Soil: 1 (in.) Local Soil Survey Data _ Other(Explain in Remarks) Remarks: , A. 3 -6. `! 7 - /c' � hA o-`k'rs k-�/ n �,� s r +:; r t Data Point: 1 of 1'0 SOILS Map Unit Name: I L/ c)n c) i J 1 � I 'e. Drainage Class: PO a NI u A t"cc,> Field Observations J Taxonomy(Subgroup): Confirm Mapped Type? Yes o Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist) (Munsell Moist) Abundance/Contrast Rhizospheres,etc. o- q 10,1k 33 I10✓+� 5., 1 )- /0 «r✓1 Lf -16 lo`! V/3 ao ruz_ Si. I + route Hydric Soil Indicators: N c)✓t-k— ' Histosol 1 Concretions Histic Epipedon ! High Organic Content in Surface Layer Sulfidic Odor Organic Streaking Probable Aquic Moisture Regime _ Listed on Local Hydric Soils List Reducing Conditions _ Listed on National Hydric Soils List _ Gleyed or Low-Chroma Colors _ Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? Yes Hydric Soils Present? Yes Is this Data Point Within a Wetland? Yes Wetland Hydrology Present? Yes q) Remarks: 2-97/DATA.FRM/TRH-rh Data Point of DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: R ecv, P lto.s e =L. Date: 3 -3- ? Applicant/Owner: Alper rd City: Re.nit)n Investigator: TiZ H Job#: l+-100 q- v I County: w A State: k i vv.) Have vegetation, soils, or hydrology been disturbed: Yes Is the area a potential Problem Area: Yes o (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. S ��riis I-1 30 FAC k 1. 2. AInws 'T 3G FA-C 2. 3. 0ernler:cL :01,s I err? /('T 3. 4. R..\-0 s l,S St 10 f- riL 4. 5. 5. 6. () 7. 7. 8. 8. Percent of Dominant Species that are OBL, FACW or FAC(except FAC-). *-Dominant species. 7 S `2c Cowardin Classification: Lk. I ci 11,A Remarks: HYDROLOGY X Recorded Data(Describe in Remarks): Wetland Hydrology Indicators Stream,Lake,or Tide Gage Aerial Photograph ' Inundated _Other Saturated in Upper 12 Inches No Recorded Data Available _ Water Marks Water Lines — Sediment Deposits Field Observations: N ci l Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) I 12 Inches Depth to Free Water in Pit: (in.) Water-Stained Leaves Depth to Saturated Soil: (in.) y Local Soil Survey Data Other(Explain in Remarks) rd Remarks. �.e ,S `�e.r -3 -C `T 3 - fU:• ,.kb, << �.. t,f I vt I f; c; S:. Data Point: 2 of (0 SOILS Map Unit Name: (2)©0 c� i ►1 i Drainage Class: Field Observations Taxonomy(Subgroup): Confine Mapped Type? Yes No Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist) fMunsell Moist) Abundance/Contrast Rhizospheres.etc. G-IQ loy r ylQ. it) s; 11- (o«rv‘ 2- 1y 2 .Sy Va, L3040._ s l+ tou �n ly -i 1.SY 5/2 toy RyOy 1° 0,01 Hydric Soil Indicators: 16 c' _ Histosol Concretions _ Histic Epipedon High Organic Content in Surface Layer Sulfidic Odor Organic Streaking Probable Aquic Moisture Regime Listed on Local Hydric Soils List Reducing Conditions Listed on National Hydric Soils List Gleyed or Low-Chroma Colors Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? INP No Hydric Soils Present? Yes 400 Is this Data Point Within a Wetland? Yes-( Wetland Hydrology Present? Yes ) Remarks: 2-97/DATA.FRM/TRI-I-trfi Data Point 3 of DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: Ri'Je r+ec_11 Phase .L Date: 3 -3 -9- Applicant/Owner: A I per !J O City: Resi*o rt Investigator: T R hl Job#: N-I 00 c - O I County: k I.rt 5 Have vegetation, soils, or hydrology been disturbed: Yes efiD State: W A Is the area a potential Problem Area: Yes (53 (If needed,explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. AlnaS f 1t3L 1. 2. F;,i,.bus A;scolor- 5h IC) FllcU. 2. 3.Rarl�,n<.k1.;s /reraS N .50 F14CCLti 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL, FACW or FAC(except FAC-). *-Dominant species. 6,6 r2 Cowardin Classification: u(S k , t-u S c r b—5 h e /eryte (,, 41' Remarks: HYDROLOGY Recorded Data(Describe in Remarks): Wetland Hydrology Indicators Stream,Lake,or Tide Gage _(Aerial Photograph Inundated _Other Saturated in Upper 12 Inches No Recorded Data Available _ Water Marks Water Lines Sediment Deposits Field Observations: Drainage Patterns in Wetlands _ Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: I I (in.) Water-Stained Leaves Depth to Saturated Soil: `J (in.) ?� Local Soil Survey Data Other(Explain in Remarks) Remarks: Data Point: 3 of I SOILS Map Unit Name: W 0 0 cl t.) 1 1 Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist) (Munsell Moist) Abundance/Contrast Rhizospheres,etc. -B IoYz yla- r'`ioLte._ s 14- /o rv1 8- I8 tolKy)2 tORy06. (11v.nt -f«irt* SJ+ (oc�u�'t Hydric Soil Indicators: _ Histosol _ Concretions Histic Epipedon _ High Organic Content in Surface Layer _ Sulfidic Odor Organic Streaking ,7)[ Probable Aquic Moisture Regime A Listed on Local Hydric Soils List _ Reducing Conditions _y Listed on National Hydric Soils List Gleyed or Low-Chroma Colors _ Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? e No Hydric Soils Present? No Is this Data Point Within a Wetland. a No Wetland Hydrology Present? e No Remarks: 2-97/DATA.FRM/TRH-uh Data Point. Y of I O DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: Ri.Lfrertec 1, Phus Date: 3-3- 9" Applicant/Owner: A I?e r N u-) City: R e rt'Io✓t Investigator: TR.W Job #: N -I OO 1-o J County: ►e%yi c� State: w A Have vegetation, soils, or hydrology been disturbed: Yes • Is the area a potential Problem Area: Yes Z. . (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratwn %Cover Indicator 1. rse nu,1 c s' f t(IS l-{ so FAA c u. 1. 2. Puluks 'seek, 5b `t0 F14ct.& 2. 3. Ahius F14 L 3. 4. 4. 5 5 6. 6. 7. 7 8. 8. Percent of Dominant Species that are OBL, FACW or FAC(except FAC-). *-Dominant species. to 6% 7G Cowardin Classification: LA_ i Ian d Remarks: HYDROLOGY y� Recorded Data(Describe in Remarks): Wetland Hydrology Indicators is-)U V _Stream. Lake.or Tide Gage Aerial Photograph . Inundated _Other _ Saturated in Upper 12 Inches No Recorded Data Available _ Water Marks Water Lines O► y Sediment Deposits Field Observations: — Drainage Patterns in Wetlands _ Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: (in.) Water-Stained Leaves Depth to Saturated Soil: (in.) Local Soil Survey Data _ Other(Explain in Remarks) Remarks: F.�- s ,'kJ .3 -•17 — ,v ,, y.A , Oct . < <t C S / 10 i4 uF Data Point: / of 10 SOILS Map Unit Name: Li)00 A I Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes No Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Mansell Moist) (Mansell Moist) Abundance/Contrast Rhizospheres,etc. b— 10 g Nv S loc-_rvi 8 - 18 t o'1 1/3 S/6 w) S N- I 0 ck._r✓l Hydric Soil Indicators: 10 o vt.L Histosol Concretions Histic Epipedon High Organic Content in Surface Layer Sulfidic Odor Organic Streaking 1 Probable Aquic Moisture Regime Listed on Local Hydric Soils List _ Reducing Conditions Listed on National Hydric Soils List _ Gleyed or Low-Chroma Colors Other(Explain in Remarks) Remarks: I c.� /ke 0. b c.1 CAA— b c[ S L:( 1 / WETLAND DETERMINATION Hydrophytic Vegetation Present? (9 No Hydric Soils Present? Yes Is this Data Point Within a Wetland? Yes---- ) Wetland Hydrology Present? Yes (No) Remarks: 2-97/DATA.FRM'TR H-trh Data Point S. of DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: R i,✓t r`.e c k P►ias e ZT Date: 3 -3 -9 7 Applicant/Owner: A I p e r N City: r2 e rt'-o✓1 Investigator: Y2 H Job #: l- -I C o 1' -o I County: k 1'4 n State: uIA Have vegetation, soils, or hydrology been disturbed: Yes o Is the area a potential Problem Area: Yes 'MD (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1.? s ckr..triA, H 5C F14ct,J 1. 2. R..:11 u s ck�s cci lc' S h 3 Z) 1=A c. IA_ 2. 3. Alv1 &' ; L.h ra Sin. 2_0 3. 4 4. 5. 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL. FACW or FAC(except FAC-). *-Dominant species. w (G '2t_, Cowardin Classification: LC I ck._r1 c- Remarks: HYDROLOGY Recorded Data(Describe in Remarks): Wetland Hydrology Indicators ck; _Stream, Lake,or Tide Gage .X.Aerial Photograph Inundated Other Saturated in Upper 12 Inches No Recorded Data Available Water Marks Water Lines Sediment Deposits Field Observations: A)0 Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: (in.) 1_ Water-Stained Leaves Depth to Saturated Soil: (in.) T Local Soil Survey Data Other(Explain in Remarks) Remarks: i )) Data Point: 5 of /0 SOILS Map Unit Name: _ L)O C)c I VI U ‘ i i Drainage Class: _ Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes CNo j Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist) (Munsell Moist) Abundance/Contrast Rhizospheres.etc. v-.5 loi R 'V 3 o el -sL - 5i 1+ l o a r►-1 5 .- 22. 1 O P 5/3 l o'1 ( 5/ -cep cr,;At' S; 1 l o c Hydric Soil Indicators: /0 6 Histosol Concretions Histic Epipedon High Organic Content in Surface Layer Sulfidic Odor Organic Streaking Probable Aquic Moisture Regime Listed on Local Hydric Soils List Reducing Conditions Listed on National Hydric Soils List Gleyed or Low-Chroma Colors Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? ,VP fil.Hydric Soils Present? YesIs this Data Point Within a Wetland? Ye NoWetland Hydrology Present? Yes ) Remarks: 2-97/DATA.FRM/TRH-Ufi Data Point: 4/ of IlJT, DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: RI' c t Q h as e 1' Date: 3-3- 9 7 Applicant/Owner: A I pe r N W City: e n -c n Investigator: TR N Job#: H -1 00 -0 l County. )c n c� State: w.,9 Have vegetation, soils, or hydrology been disturbed: Yes is the area a potential Problem Area: Yes o (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1.ph ci/ar,s nru_na, . !� � Aeui 1. 2. Sal ;x 5 ? T 2U F►lcLk.) 2. 3. 3. 4. 4. 5. 5. () 6. 7. 7. x. 8. Percent of Dominant Species that are OBL, FACW or FAC(except FAC-). *-Dominant species. l 00 7c-, Cowardin Classification: ?c.d u.5 r A-C-- (►1 r•3 4 A Remarks: HYDROLOGY Recorded Data(Describe in Remarks): Wetland Hydrology Indicators _Stream,Lake.or Tide Gage �C Aerial Photograph _ Inundated Other Saturated in Upper 12 Inches No Recorded Data Available _ Water Marks Water Lines Sediment Deposits Field Observations: _ Drainage Patterns in Wetlands _ Oxidized Root Channels in Upper Depth of Surface Water: () (in.) 12 Inches Depth to Free Water in Pit: 2 " (in.) _ Water-Stained Leaves Depth to Saturated Soil: L..rfic a (in.) K Local Soil Survey Data _ Other(Explain in Remarks) Remarks: Data Point: of /0 SOILS 1 Map Unit Name: t U Doc, i v1 11 \\. Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes NoO Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist) (Mansell Moist) Abundance/Contrast Rhizospheres,etc. 0— `i 1 .••(Ri/2 !U o S 1+ J o«ry Hydric Soil Indicators: _ Histosol _ Concretions Histic Epipedon _ High Organic Content in Surface Layer Sulfidic Odor _ Organic Streaking Probable Aquic Moisture Regime _ Listed on Local Hydric Soils List Reducing Conditions _ Listed on National Hydric Soils List Gleyed or Low-Chroma Colors _ Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? CP No Hydric Soils Present? VA No Is this Data Point Within a Wetland? 4zp No Wetland Hydrology Present? es No Remarks: 2-97/DATA.FRM/TRH-trh Data Point 2 of / DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: R 1�°4-C c k It cc s'( Date: "3 - 3 - `1 7 Applicant/Owner: A-I p e. ti w City: 1Z e Yl+z,1 Investigator: f:N Job #: 1-+ - too`i-C' 1 County: /, ✓►c State: Have vegetation, soils, or hydrology been disturbed: Yes Is the area a potential Problem Area: Yes (If needed, explain on reverse.) VEGETATION _ _ Dominant Plant Species Stratum (Yo Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. I)hulti,,s k,v,,d. H Eric, FRc 1. s h ' U Fl�Cc1 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL. _ FACW or FAC(except FAC-). *-Dominant species. 5e) )t, Cowardin Classification: e Remarks: HYDROLOGY Recorded Data(Describe in Remarks): Wetland Hydrology Indicators _Stream. Lake. or Tide Gage „4Aerial Photograph _ Inundated _Other Saturated in Upper 12 Inches _ No Recorded Data Available Water Marks Water Lines Sediment Deposits Field Observations: ^'ovk Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: (in.) Water-Stained Leaves Depth to Saturated Soil: (in.) Local Soil Survey Data Other(Explain in Remarks) Remarks: • r e v s, `kJ 3 -et 7 — s«4 . c 4 7 2 ,; 1/ Data Point: 7 of ('Q SOILS Map Unit Name: (..A.)00 i LU t t �- Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes 'I.Ro Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist2 (Munsell Moist) Abundance/Contrast Rhizospheres.etc. off 2, s•I2 y/3 s; 14 t o ckni `t—Z2 2.5 R 1-/3 io`( 2 y/ 'Ce L) -Ccki S , H )oa ►v Hydric Soil Indicators: /0 J ✓L.Q Histosol Concretions _ Histic Epipedon High Organic Content in Surface Layer _ Sulfidic Odor _ Organic Streaking Probable Aquic Moisture Regime _ Listed on Local Hydric Soils List Reducing Conditions __,_ Listed on National Hydric Soils List _ Gleyed or Low-Chroma Colors _ Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? Yes No Hydric Soils Present? Yes Is this Data Point Within a Wetland? Yes CIF Wetland Hydrology Present? Yes Remarks: 2-97/DATA.FRMiTRH-trfi Data Point & of I(i DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: R i r'} e c k Phase Date: 3-3- 9 7 Applicant/Owner: A-I?e r N u) City: 2e flit)✓l Investigator: `r Q 1•} Job #: )a /—o I County: k 1'vt a\ State: LN4 Have vegetation, soils, or hydrology been disturbed: Yes No Is the area a potential Problem Area: Yes No (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. tr,;ckc,, T '30 E I C 1. 2. Co_, - SII" 14 7() J:iq l 2. _ — 3. s 5 h SC' FFI c LI 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. Percent of Dominant Species that are OBL, FACW or FAC(except FAC-). *-Dominant species. 6 2c., Cowardin Classification: CA p t 0-- ►A U Remarks: HYDROLOGY .X Recorded Data(Describe in Remarks): Wetland Hydrology Indicators is--1 _Stream.Lake,or Tide Gage 2 Aerial Photograph Inundated _Other Saturated in Upper 12 Inches _ No Recorded Data Available Water Marks Water Lines Sediment Deposits Field Observations: ti Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: r (in.) Water-Stained Leaves Depth to Saturated Soil: _ ( (in.) Local Soil Survey Data Other(Explain in Remarks) Remarks: � e 3 -6 - `t7 - s«4 sc. . IS -1 .4/ r Data Point: 8 of D SOILS , , 1 1 Map Unit Name: w ow \L Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist) (Munsell Moistl Abundance/Contrast Rhizospheres,etc. —y ro NI/R 3/z Noy s,- /oar►-1 9- 2y 10 `IR3/24 roy23/3 4e1..,:.; „4- s )1- 10otvi Hydric Soil Indicators: /..)o vL _ Histosol Concretions _ Histic Epipedon High Organic Content in Surface Layer Sulfidic Odor Organic Streaking Probable Aquic Moisture Regime Listed on Local Hydric Soils List Reducing Conditions Listed on National Hydric Soils List Gleyed or Low-Chroma Colors Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? es No Hydric Soils Present? Yes % Is this Data Point Within a Wetland? Yes o Wetland Hydrology Present? Yes ion Remarks: 2-97/DAT A.FRM/TRH4ifi Data Point c' of ./(7 • DATA FORM ROUTINE WETLAND DETERMINATION Project/Site: ! Date: 3 -5 -`f Applicant/Owner: A i p C' - LC; L`, City: ± +I'to r1 Investigator: Tf`l- Job#: H - lc 0 7 -C'I County: k Have vegetation, soils,or hydrology been disturbed: Yes State: 1.0 Is the area a potential Problem Area: Yes (TN'/ (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratum %Cover Indicator Dominant Plant Species Stratum %Cover Indicator 1. H 2U /` NcL 1. 2. /1 CI'o PACs` 2. - 3. 3. 4. 4. _ 5. _ 5. 6. 6. 7. 7 8. 8. Percent of Dominant Species that are OBL, FACW or FAC(except FAC-). *-Dominant species. SC'20 Cowardin Classification: Lk p (ek ad Remarks: HYDROLOGY Recorded Data(Describe in Remarks): Wetland Hydrology Indicators _Stream, Lake,or Tide Gage 4.Aerial Photograph Inundated Other Saturated in Upper 12 Inches _ No Recorded Data Available Water Marks Water Lines ti'c;/ Sediment Deposits Field Observations: Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: (in.) Water-Stained Leaves Depth to Saturated Soil: (in.) Local Soil Survey Data Other(Explain in Remarks) Remarks Rey; s. 4.e cl - L, ti'c 5 t-I1i•►� l r• r/ �. T S 11 1 Data Point: ( of SOILS '' 11 (( Map Unit Name: W O 4 t vl u \ Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes No Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist) (Munsell Moist) Abundance/Contrast Rhizospheres,etc. U L( )b k 3/9_ > _ $," 1't- 1 v c.Vti'i 4-4-l8 IoYP 3/3 to'tRy/b �eu� ��`I- s I4- 10 0. -v Hydric Soil Indicators: /U-6 L Histosol j. Concretions Histic Epipedon _ High Organic Content in Surface Layer Sulfidic Odor Organic Streaking _ Probable Aquic Moisture Regime _ Listed on Local Hydric Soils List Reducing Conditions T Listed on National Hydric Soils List _ Gleyed or Low-Chroma Colors Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? Yes _ Hydric Soils Present? Yes Is this Data Point Within a Wetland? Yes No Wetland Hydrology Present? Yes s) Remarks: 2-97/DATAFRM/TRH4 fi Data Point of DATA FORM ROUTINE WETLAND DETERMINATION • Project/Site: R. 44ec- 4t I1aS e Date: 3 —3 —`I7 Applicant/Owner: Al p e :.c.) City: R.ei 1 �a'1 Investigator: T N Job#: i-/- I v c - County: Y, v1 j Have vegetation, soils, or hydrology been disturbed: Yes State: Gt %4 Is the area a potential Problem Area: Yes o/ (If needed, explain on reverse.) VEGETATION Dominant Plant Species Stratwn %Cover Indicator Dominant Plant Species Stratum °)/„Cover Indicator ' � I _ 1. (�,._h".s �1,Solo:' S�� 9S i 11� 2. 2 3. _ 4 -4 5 5 _ (). 7 — 7 8 8. Percent of Dominant Species that are OBL, FACW or FAC(except FAC-). *-Dominant species. Cowardin Classification: t 4 ad Remarks: HYDROLOGY X Recorded Data(Describe in Remarks): Wetland Hydrology Indicators i(j0 _Stream,Lake,or Tide Gage LC Aerial Photograph • Inundated _Other Saturated in Upper 12 Inches No Recorded Data Available Water Marks Water Lines Sediment Deposits Field Observations: /J.. _ Drainage Patterns in Wetlands Oxidized Root Channels in Upper Depth of Surface Water: (in.) 12 Inches Depth to Free Water in Pit: (in.) Water-Stained Leaves Depth to Saturated Soil: (in.) Local Soil Survey Data Other(Explain in Remarks) Remarks: i �w c— ,j l� (' ! -3 -E 77 — A !i 1 (\ . 1 .1(1 C tI Data Point: 10 of re-.) SOILS Map Unit Name: l.2-3 00d, I ✓1 U s t k.e . Drainage Class: Field Observations Taxonomy(Subgroup): Confirm Mapped Type? Yes (No) Profile Description: Depth Matrix Color Mottle Colors Mottle Texture, Concretions, (inches) (Munsell Moist) (Mansell Moist) Abundance/Contrast Rhizospheres.etc. lour K3A. avv s(. 1 )- /60, v i 5 - 18 lo Y `113 10Yk y/� ,� ;v,1- s; l ,0c end icy 3/2- Hydric Soil Indicators: "/U U Histosol Concretions Histic Epipedon _ High Organic Content in Surface Layer Sulfidic Odor _ Organic Streaking Probable Aquic Moisture Regime — Listed on Local Hydric Soils List _ Reducing Conditions — Listed on National Hydric Soils List Gleyed or Low-Chroma Colors 7 Other(Explain in Remarks) Remarks: WETLAND DETERMINATION Hydrophytic Vegetation Present? Yes COP Hydric Soils Present? Yes 401' Is this Data Point Within a Wetland? Yes Wetland Hydrology Present? Yes Remarks: 2-97/DATA.FRM/ RH-trh APPENDIX C MODIFIED REPPERT WETLAND VALUES EVALUATION SHEET H-1009-02 APPENDIX C MODIFIED REPPERT WETLAND VALUES EVALUATION Values Basis For Evaluation 1. Natural Biologic Function Mod/High A. Food Chain Support Moderate i. Net Primary Production moderate Shrub and emergent vegetation ii. Mode of Transport moderate Intermittently flooded iii. Food Chain Support low Low diversity of vertebrate animals B. General Habitat Moderate Two plant communities, SS, EM C. Special Habitat High Downed logs, snags, and railroad banks with cover 2. Aquatic Study Areas, Low Does not meet the criteria Sanctuaries, Refuge 3. Hydrologic Support Function Moderate A. Hydrologic Periodicity Moderate Headwaters wetland B. Elevation in Basin Moderate Flooded less frequently, early spring 4. Shoreline Protection N/A No shoreline 5. Storage of Storm and Flood Water Moderate A. Flood Storage Factor Low Total wetland is> 5 acres in size B. Flood Retardation Factor High > 30% of wetland vegetative cover is woody shrubs 6. Natural Groundwater Recharge Moderate Wetland is a seasonal system> 5 acre 7. Water Purification Moderate A. Wetland Type Mod/low i. Hydroperiod low Intermittently flooded system, not associated with a lake, river or estuary ii. Vegetative Density moderate Wetland vegetative cover is > 80% C -1 H-1009-02 B. Areal&Waste Loading Moderate Relationship i. Total Wetland low Total wetland is< 10 acres in size ii. Proportion of Water to moderate 60 -75% of wetland is covered with Wetland water iii. Proportion of Runoff moderate 25-50% of surface water runoff is Retained in Wetland retained in the wetland for no more than a 2 year event C. Location Factor Mod/High i. Frost-free Days high >250 days ii. Location Related to moderate Wetland adjacent to non-point sources; Pollution Sources roads, and railroad grade 8. Cultural Values (Economics, Moderate Headwaters area that has a hydrologic Aesthetics, Recreational, connection to the P-1 Channel via a Archeological Sites. storm water channel C -2 H-1009-02 `�cf �_ ( d L' (,`I)CAG-98-04 REAL ESTATE PURCHASE AND SALE AGREPh1""i PIANNINC2 I OF RENTON OCT 1 , 1999 This Agreement is between BLACKRIVER-RIVERTECH L.L.C., a Washin s •• ited liability company ("Seller"), and THE CITY OF RENTON, a WashingtonR -1 tion ("Purchaser"), and is made for the purpose of purchase and sale of the following described real property. In consideration of the covenants and agreements hereinafter made, the parties agree as follows: 1. Description of the Property. Purchaser agrees to purchase from Seller and Seller agrees to sell to Purchaser, the following described unimproved real property: Lot 4 of proposed City of Renton Short Plat # , illustrated in the attached Exhibit A, which is a portion of what is commonly known as "Tract B" of the Blackriver Corporate Park, Renton, King County, Washington, and which is referred to in this Agreement as "Lot 4" or "the Premises." The remainder of Tract B, or Lots 1-3 of Short Plat# , as illustrated in Exhibit A, will be referred to herein as "the Tract B Development Site." 2. Purchase Price. The purchase price for Lot 4 shall be equal to the pro rata share (based on square footage) of the outstanding balance of the Tract B assessment for LID #332 attributable to Lot 4, including both principal and accrued interest. Purchaser shall cause the outstanding balance of the Tract B assessment for LID #332, including both principal and accrued interest, to be segregated (based on square footage) and attributed to each of Lots 1-4 of the proposed Short Plat and shall, at closing, assume Seller's obligations for the segregated amounts attributed to Lot 4 (estimated to be $75,451.06). 3. Title. Title to the Premises shall be free of encumbrances or defects except for those general exceptions and special exception numbers as set forth in Schedule B of Transnation Title Insurance Company's Commitment for Title Insurance, Order No. dated . Seller agrees to furnish and deliver to Purchaser at closing a standard form policy of title insurance issued by Transnation Title Insurance Company. The Purchaser acknowledges receipt of the above-mentioned Commitment for title insurance. If this Agreement terminates for any reason, Purchaser shall pay any cancellation fee for the respective commitments or policies. The title policy to be issued shall contain no exceptions other than the exceptions noted in this paragraph and any other exceptions created or allowed by Purchaser. If title is not so insurable by the termination date set forth in Paragraph 6 below, unless otherwise agreed by the parties, this Agreement shall terminate and thereafter neither party shall have any obligations or liabilities hereunder. 4. Conveyance. Transfer of Seller's interest in the Premises shall be by Statutory Warranty Deed provided, however, if Seller obtained title to the Premises by a deed other than a statutory warranty deed, Seller shall convey title to Purchaser pursuant to the same form of deed. \\BG1\VOL1\DATA\WP\ALPER\A04248.ALK.DOC 1 5. Proration and Reimbursements. Real property taxes for the current year shall be prorated as of the date of closing. Purchaser shall at closing reimburse Seller for one-fourth of the total costs associated with the preparation, submittal and approval of Short Plat # , including surveying. 6. Closing. This purchase and sale transaction shall be closed in the office of Transnation Title Insurance Company in Seattle, Washington ("Closing Agent") within ten (10) days after removal of all contingencies, but in any event no later than May 29, 1998 (the "Closing Date"), unless this date is extended by mutual agreement of the parties. The parties will deposit in escrow with the Closing Agent all instruments and moneys necessary to complete this purchase and sale transaction in accordance with this Agreement. The cost of escrow, the real estate excise tax and the premium for a standard owner's policy of title insurance shall be paid one-half (1/2) each by the parties. Purchaser shall pay the recording fees and all other costs and expenses normally attributable to the Purchaser. 7. Possession. Seller shall deliver possession of the Premises to Purchaser on date of closing. 8. Condition of Property. Purchaser has inspected the Premises and agrees to accept the Premises in its present condition, "as is." Purchaser agrees and acknowledges that Seller makes no representations or warranties with respect to the physical condition of the Premises. Purchaser and Seller acknowledge that portions of the Premises are or may be contaminated by hazardous substances. Purchaser agrees to accept the Premises "as is," notwithstanding the presence of hazardous substances, and agrees to assume all costs, liability and risks which may arise to either party from said hazardous substances. Purchaser further agrees that the Premises are subject to the indemnity agreement in Paragraph 9. Seller makes no representation or warranty regarding the completeness or accuracy of any of the reports, studies, investigations or other tests regarding the Premises delivered to the Purchaser provided, however, Seller has no knowledge that such reports are not complete or accurate. 9. Indemnity and Release. Purchaser agrees to release Seller, First City Equities, First City Developments Corp, First City Washington, Inc., and Alper Northwest, Inc. (hereinafter collectively "Seller et al.") from and to indemnify, defend and hold Seller et al. harmless from and against any and all claims, causes of action, demands, losses, liabilities, costs, damages and expenses (including, without limitation, attorneys' and consultants' fees, but without waiver of the duty to hold harmless) arising from or out of the entry of Purchaser, including the past entry of the Purchaser, its employees, contractors or agents onto Lot 4 or the Tract B Development Site, or arising from or relating to the drainage of storm water or other water onto Lot 4 or the Tract B Development Site from SW Seventh Street, or otherwise, including but not limited to costs of investigation and remediation of soils or groundwater contamination, negotiating with agencies, and defense of lawsuits brought by agencies or third parties, and payment of fines and penalties. Purchaser will pay all Seller et al.'s costs and expenses, including attorneys' fees, incurred in enforcing this duty to release, indemnify, defend and hold harmless. The indemnity set forth in this paragraph shall survive closing. \\BG1\voLI\DATA\WP\ALPER\n04248.ALK.DOC 2 10. Default. 10.1 If either party defaults in the performance of its obligations under this Agreement, the non-defaulting party may seek specific performance pursuant to the terms of this Agreement, damages, or rescission. Purchaser is purchasing the Premises in its proprietary capacity not its governmental capacity and therefore sovereign immunity does not apply to the enforcement of this Agreement. 10.2 The non-defaulting party shall be entitled to recover its costs and reasonable attorneys' fees in the event counsel is retained as a result of such default. 11. Miscellaneous. There are no verbal or other agreements which modify or affect this Agreement. Time is of the essence of this Agreement. Purchaser has not consulted with, nor discovered the respective parcel through the use of a realtor, broker or other agent and there are no finders' fees or commissions due upon this transaction. If Purchaser elects not to purchase the Premises, Purchaser will provide Seller at no charge to Seller with a copy of any appraisal, environmental report, or other report or study of the Premises performed by or for Purchaser. Facsimile transmission of any signed original document, and retransmission of any signed facsimile transmission, shall be the same as transmission of an original. At the request of either party, or the Closing Agent, the parties will confirm facsimile transmitted signatures by signing an original document. Notices given under this Agreement shall be in writing and shall be delivered personally with written receipt therefor, sent by certified mail, return receipt requested, or sent via telecopier to the following addresses: SELLER: Blackriver-Rivertech L.L.C. c/o Blackriver Holdings, Inc., Manager Atm: Dean R. Erickson Suite 6000, 700 Fifth Avenue Seattle, Washington 98104 Telecopy No. (206) 382-9752 PURCHASER: City of Renton Atm: Lawrence J. Warren, City Attorney P.O. Box 626 Renton, Washington 98057 Telecopy No. (206) 255-5474 Notices or other communications sent by mail shall be deemed to be given three (3) days after being deposited in the mail, postage prepaid. Notices or other communications sent via telecopier shall be deemed to be given when actually received, or if received on a weekend, legal \\BO1\VOLT\DATA\wP\ALPER\A04248.ALK.DOC 3 i� holiday, or after 5:00 P.M. (local time where received) on a business day, on the next business day. For purposes of this paragraph, a "business day" shall mean a weekday (i.e. Monday through Friday) other than a state or national legal holiday observed by the receiving party. 12. Residency of Seller. Seller warrants to Closing Agent that Seller is not a foreign corporation, foreign partnership, foreign trust or foreign estate. 13. Contingencies. 13.1 The obligations of the Purchaser under this Agreement are contingent upon the occurrence of the following: 13.1.1 Approval by the City Council of the City of Renton on or before May 15, 1998 of the execution of this Agreement and the authorization to close this transaction. 13.1.2 Approval by the City of Renton of Short Plat# 13.2 The obligations of the Seller under this Agreement are contingent upon the occurrence of the following: 13.2.1 Approval by the Board of Directors of Seller on or before May 15, 1998 of the execution and performance of this Agreement. 13.2.2 Approval by the Seller of the final lot configurations and plat conditions of City of Renton Short Plat# 13.2.3 Approval of the pro rata segregation of LID #332 to Lots 1 through 4 by the City of Renton and the City's assumption of the amounts of LID #332 attributed to Lot 4. 14. Additional Terms. The Purchaser and Seller agree to the following additional terms. 14.1 The Purchaser will: 14.1.1 Support and expedite the approval of Short Plat# creating Lots 1, 2, 3 and 4, to the fullest extent permissible under applicable law; 14.1.2 Agree that the area of Lot 4 will be counted for purposes of satisfaction of Renton City Code requirements for development of the Tract B Development Site, which code requirements include but are not limited to lot coverage, setbacks, buffers, open space, habitat and landscaping requirements. At Closing, Purchaser shall grant to Seller a non-exclusive perpetual easement in, under and across Lot 4 for the purpose of satisfying any lot coverage, setback, open space, buffer, habitat, landscaping or other development requirements for the Tract B Development Site; \\BGI\VOL1\DATA\WPw2ER\A04248.ALK.DOC 4 14.1.3 Support the reasonable development proposals submitted by Seller for the Tract B Development Site and the Rivertech parcel that comply with the City's Zoning Code and development regulations, and other terms and conditions of this Agreement(see sketch depicting locations attached hereto as Exhibit"B"); 14.1.4 Grant Seller permanent utility easements on, under and across Lot 4 as the Seller deems reasonably necessary or desirable for development of the Tract B Development Site and Rivertech parcel in locations which do not unreasonably interfere with Purchaser's use of said Lot 4; 14.1.5 As additional consideration for the City's purchase of Lot 4, grant Seller mitigation credits for open space, habitat and sensitive areas purposes to mitigate impacts, if any, to wetlands, wildlife, wildlife habitat, open space and other sensitive areas which may be occasioned by the development of the Tract B Development Site and the Rivertech, parcel or, with Purchaser's approval, which approval will not be unreasonably withheld, impacts of other developments by Seller located in the City of Renton within a three mile radius of Lot 4; and 14.1.6 Grant Seller those rights of entry or easements necessary to perform the work authorized under items 14.1.4; provided, however, that Seller will hold Purchaser harmless from any disturbance of the pollutants on Lot 4 that may be occasioned by Seller's work on Lot 4 authorized herein. 14.2 Purchaser's obligations to grant such mitigation credits, rights of entry and easements described in this Agreement shall survive closing for a period of ten (10) years. For purposes of this Paragraph 14, the term Seller shall include its subsidiaries and any partnerships or other entities in which Seller has an ownership interest. 15. Assignment. This Agreement is not assignable by Purchaser or Seller without the express written consent of the other party to this Agreement, which consent will not be unreasonably withheld, provided, however, Purchaser and Seller shall not be released of their obligations hereunder. 16. Governing Law. This Agreement shall be construed and interpreted under and shall be governed and enforced in all respects according to the laws of the state of Washington. 17. Oral Agreements and Representations. There are no oral or other agreements, including but not limited to, any representations or warranties, which modify or affect this Agreement. Seller shall not be bound by, nor liable for, any warranties or other representations regarding the Premises unless such representations and warranties are set forth in a written instrument duly executed by Seller. \\Bo1\voL1\DATA\WP\ALPER\A04248.m.K.DOC 5 - DATED this 3O7(day of /47,4q/ .. , 1998. SELLER PURCHASER BLACKRIVER-RIVERTECH L.L.C. THE CITY OF RENTON, a a Washington limited liability company Washington municipal corporation By: Blackriver Holdings, Inc. Its: Manager By Its President: Kenneth V. Bellamy ayor Jesse Tanner Date: /9/Xit, D'D fi9S Date: _ _Lig9 s' A 1 1 EST BY: Bycl._.M,L B Its Vice President: Dean R. Erickson City Cler rr lyn J. Petersen Date: 19A.a. I 161 Date: dv i 1 qqg APPROVED AS TO LEGAL FORM: Ge6. ------- Lawrence J. Warr , City Attorney Date: Li --,-?S ''mil \\BGl\votl\DATA\WP\ALPER\A04248.ALK.Doc 6 i T %1Y � I I, 1 cn f-I ta.lY •�' \a1,.aa11eR ,r-131,t20 SF • / 1 fnaiRa•f.. ....� I I-- > I °` alum e...a, • 1 .,.,,...�. �d /RiY M..� a cc • _— _-- ._.___—_—_—_ L Nb W , la NMia1W.f.mtp C _ _ -, �_1( 0 n 11 1 e � Q Z I CC Z Irk) • errenvf orbitant 1 / IL_ vet,044/4M. (SP' s'Ogi'' , ,.:iiii, 4:),' i �, • �,.- `i, 10. ; - _. ,rI > .'no •� ♦UPLIVM a ��' ,I7I�'I r�i►' J •C i}�'iI • r �I J W yl ..1 // ''i� ... ♦♦ v .VIA `� f N 226,33� 9F i,♦ .N.. 0,d ,�♦ III s: `•` `v:.�. r. orra [ • • ., . t. ...,,,, ...:.. ... ,... , ,. i,ts . ....„::,:,,,,,„....,., „ ,, r+o.c..u� ..,,...„.:,,,:::::.::,-;., , _ , . It: 60 • f. . • ♦♦ LO+ I. ♦♦, .. • .. . .6 ♦44 �,,, / i ', t p 1. .•• t i ARCN11FC1URE '• ,♦♦♦♦. �d / h v�d :.:}.. • �, \\ - cw I r and PIANNING 1 r ♦♦♦♦ •♦♦: • O'`i A. ��ttr''' I� •• Y.Ken A CNnIMce>a r '.'e.f I • •i "' 1 • w '' i 1lwlwea�o/ox>ora / ♦♦� ' O`.- ♦�. .'® Li____._ ___ "o ocscR,rr,a o.rt I ♦♦ • .6. 1 • }>`. 'b�' i ♦♦ i• =/'t-usvunw a17--ir fi}♦♦ e Ord I •� ♦• %/. ./" • �— ftava -er-oe .., *de ADD., / fj►`�,I' `. ,,� �j \ IIF R t.:••. r'' O� !,�I.IK ',♦ ♦♦w�' ♦ ���� .I-21,,a11 SF • II I40 . ry j.• .. DIM Arz. , ♦♦ /* •01,/ MINI ,ei SITE PLAN .\ ...\ 1•14:9s. .....11, a4tati(i"...-4..... 1A. '. %.*• 11.•:* % 4, N/ *./ A it WI . 1` // rer \,n.. al-10A,01a 8F�'- .\ \ N ,\,\��.... '/ 1 �� ® r.1 40 1404-eR)c.: 1 OWN 'f ,oe no.: eeo,f wcci.o n „ • ; f Pen al.e f Nen.,, r---1y aaeM OArt: a-eo1l o.A7« RAJ 2 SITE PLAN 60• 1 CMCC.: 1 , LL City Tract C Open Space P-1 Detention Basin City Black River Forest \ • -.1.Z. • t 4 .t ' ' t'Aop %\ '. r '. iti r ,.• `;� / ifs.•• • `.. r` , .-. -N ; _ r • ';.}A. •: :.i 1,4 ...--.-.,1)-k-b-11 ;, yr'4 ` ,- =mot- tom.. ' '' ' 1,�` -l� 4v 4iwor;.:1"4 - Rivertech Parcel i iy . . ,:,,,,i.4 , R- Y-14 cp.c... es k,. It 1 City 'Tract A Open Space ri • Fri I i [J i . . . 1 rril 11 r1_ 1 H Tract B Development Site Li_I� . OA \'‘. .1 MI] jBLACKRIVBR 1 \ Corporate Park • F5 RENTON, WASHINGTON $1 r I! '` . . %. _ -. . • . 1 '� r :f r, - REAL ESTATE PURCHASE AND SALE AGREEMENT This Agreement is between ALPER NORTHWEST, INC. , a Washington corporation ( "Seller" ) , and THE CITY OF RENTON, a Washington municipal corporation ( "Purchaser" ) , and is made for the purpose of purchase and sale of the following described real property. In consideration of the covenants and agreements hereinafter made, the parties agree as follows : 1 . Description of Property. Purchaser agrees to purchase from Seller, and Seller agrees to sell unto Purchaser, the following described unimproved real property, which is commonly known as the Tract A Remainder of Blackriver Corporate Park, Renton, King County, Washington, and referred to in this Agreement as "the Premises . " See legal description attached hereto as Exhibit "A" 2 . Purchase Price. The purchase price is One Million Four Hundred Fifty Nine Thousand Fifty Three Dollars ($1, 459, 053 . 00) , payable in cash at time of closing. 3 . Title. Title to the Premises shall be free of encumbrances or defects except as set forth in Schedule B to Transnation Title Insurance Company' s Commitment for Title Insurance, Order No. 865368, dated May 2 , 1996 . However, title exceptions 1 through 7, 21, 26 and 29 through 37 shall be removed. Seller agrees to furnish and deliver to Purchaser a standard form of policy of title insurance issued by Transnation Title Insurance Company. The Purchaser acknowledges receipt of the above-mentioned Commitment for title insurance. If this Agreement terminates for any reason, Purchaser shall pay any cancellation fee for the respective commitments or policies . The title policy to be issued shall contain no exceptions other than the exceptions noted in this paragraph. If title is not so insurable as above provided and cannot be made so insurable by the termination date set forth in paragraph 6 below, unless otherwise agreed by the parties, this Agreement shall terminate and thereafter neither party shall have any obligations or liabilities hereunder. 4 . Conveyance . Transfer of Seller' s interest in the Premises shall be by Statutory Warranty Deed. REAL ESTATE PURCHASE AND SALES AGREEMENT- 1 5 . Prorations . Taxes for the current year, common area cost-sharing assessments, water and other utilities constituting liens on the Premises shall be prorated as of the date of closing. 6 . Closing. This purchase and sale transaction shall be closed in the office of Transnation Title Insurance Company in Seattle, Washington ("Closing Agent" ) within ten (10) days after removal of all contingencies, but in any event no later than August 31, 1996, which shall be the termination date of this Agreement . The parties will deposit in escrow with the Closing Agent all instruments and moneys necessary to complete this purchase and sale transaction in accordance with this Agreement . The cost of escrow shall be paid one-half (1/2) each by the parties . Seller shall pay the real estate excise tax and the premium for a standard owner' s policy of title insurance. Purchaser shall pay the recording fees and all costs and expenses normally attributable to the Purchaser. 7 . Possession. Seller shall deliver possession of the Premises to Purchaser on date of closing. 8 . Condition of Property. Purchaser has inspected the Premises and agrees to accept the Premises in its present condition, "as is" , subject to receipt by Purchaser of a Level I environmental assessment acceptable to Purchaser. Purchaser agrees and acknowledges that Seller makes no representations or warranties with respect to the physical condition of the Premises, or with respect to the presence of any environmentally hazardous substances on or under the Premises and that the Premises and Tract B of Blackriver Corporate Park (see legal description attached hereto as Exhibit "B" ) are subject to that Indemnity Agreement between the parties dated November 21, 1991. 9 . Default . 9 . 1 If either party defaults in the performance of its obligations under this Agreement, the non-defaulting party may seek specific performance pursuant to the terms of this Agreement, damages, or rescission. Purchaser is purchasing the Premises in its proprietary capacity not its governmental capacity and therefore sovereign immunity does not apply to the enforcement of this Agreement . 9 . 2 The non-defaulting party shall be entitled to recover its costs and reasonable attorneys' fees in the event counsel is retained as a result of such default . REAL ESTATE PURCHASE AND SALES AGREEMENT- 2 •. 10 . Miscellaneous . There are no verbal or other agreements which modify or affect this Agreement . Time is of the essence of this Agreement . Purchaser has not consulted with, nor discovered the respective parcel through the use of a Realtor or other agent and there are no finders' fees or commissions due upon this transaction. If Purchaser elects not to purchase the Premises, Purchaser will provide Seller with a copy of any appraisal, environmental report, or other report or study of the Premises performed by or for Purchaser. Facsimile transmission of any signed original document, and retransmission of any signed facsimile transmission, shall be the same as transmission of an original . At the request of either party, or the Closing Agent, the parties will confirm facsimile transmitted signatures by signing an original document. Notices given under this Agreement shall be in writing and shall be delivered personally with written receipt therefor, sent by certified mail, return receipt requested, or sent via telecopier to the following addresses : SELLER: Alper Northwest, Inc. Attn: Dean R. Erickson, Vice President Suite 6000, 700 Fifth Avenue Seattle, Washington 98104 Telecopy No. (206) 382-9752 PURCHASER: City of Renton Attn: Lawrence J. Warren, City Attorney P.O. Box 626 Renton, Washington 98057 Telecopy No. (206) 255-5474 Notices or other communications sent by mail shall be deemed to be given three (3) days after being deposited in the mail, postage prepaid. Notices or other communications sent via telecopier shall be deemed to be given when actually received, or if received on a weekend, legal holiday, or after 5 : 00 P.M. (local time where received) on a business day, on the next business day. For purposes of this paragraph, a "business day" shall mean a week day (i.e. Monday through Friday) other than a state or national legal holiday observed by the receiving party. REAL ESTATE PURCHASE AND SALES AGREEMENT- 3 11. Residency of Seller. Seller warrants to Closing Agent that Seller is not a foreign corporation, foreign partnership, foreign trust or foreign estate. 12 . Contingencies . 12 . 1 The obligations of the Purchaser under this Agreement are contingent upon the occurrence of the following on or before August 15 , 1996, except contingencies d and e must have occurred prior to August 1, 1996 . a. Approval by the King County Council to reallocate existing funds from other City of Renton open space projects to the Black River Forest Tract A Project; b. Approval by the King County Council of a minimum Conservation Futures grant of Four Hundred Fifty Thousand Dollars ($450, 000 . 00) ; c. Approval by the City Council of the City of Renton of the execution of this Agreement and authorization to close this transaction; d. Receipt of an appraisal of the subject property in the amount of at least One Million Four Hundred Fifty Nine Thousand Fifty Three Dollars ($1, 459, 053 . 00) , which appraisal shall be obtained by Purchaser at Purchaser' s sole cost and expense; e. Receipt of a Level I environmental assessment acceptable to Purchaser, which assessment shall be obtained by Purchaser at Purchaser' s sole cost and expense; and f . Approval of an IAC grant in the sum of not less than Sixty Thousand Dollars ($60, 000 . 00) . 12 . 2 The obligations of the Seller under this Agreement are contingent upon the approval, on or before August 15, 1996, by the Board of Directors of Seller of the execution and performance of this Agreement. 13 . Additional Terms . The Purchaser and the Seller agree to the following additional terms . The Purchaser will : a. Support the reasonable development proposals submitted by Alper Northwest, Inc . for the Tract B and Rivertech parcels (see legal description and sketch depicting locations attached hereto as Exhibits "C" and "D" , respectively) ; REAL ESTATE PURCHASE AND SALES AGREEMENT-4 b. Grant Alper Northwest, Inc. those permanent utility easements on and across the Tract A Remainder property and other portions of the City-owned Black River Forest as may be reasonably necessary or desired for development of the Rivertech and Tract B parcels and in locations which do not unreasonably interfere with the development possibilities of the Tract A Remainder property; c. Grant Alper Northwest, Inc. the opportunity to transfer mitigation credits from Tract A to Tract B and Rivertech parcels to mitigate impacts to wetlands, wildlife habitat, open space and other sensitive areas which may be occasioned by the development of the Rivertech and Black River Tract B parcels or, with Purchaser' s approval, which approval will not be unreasonably INITIAL withheld, impacts of other development by Alper Northwest, Inc. aRiI ocated in the City of Renton within a three mile radius of the Tract^�- Remainder property; and A d. Grant Alper Northwest, Inc. those rights of entry or easements necessary to perform the work required under items b and c above. Purchaser' s obligations to grant such mitigation transfers, rights of entry and easements shall survive closing for a period of ten (10) years . For purposes of this Paragraph 13 , Alper Northwest, Inc. shall include its subsidiaries and any partnerships or other entities in which Alper Northwest, Inc . has an ownership interest. The Seller will : a. Pay off in full at closing, including interest and penalties, Local Improvement District Account 332-ICC associated with the Tract A Remainder property; and b. Pay current at closing, including interest and penalties, Local Improvement District Account 332-IB associated with the Tract B parcel . 14 . Assignment . This Agreement is not assignable by Purchaser or Seller without the express written consent of the other party to this Agreement, which consent will not be unreasonable withheld. 15 . Governing Law. This Agreement shall be construed and interpreted under and shall be governed and enforced in all respects according to the laws of the state of Washington. REAL ESTATE PURCHASE AND SALES AGREEMENT- 5 F r 16 . Oral Agreements and Representations . There are no oral or other agreements, including but not limited to, any representations or warranties, which modify or affect this Agreement . Seller shall not be bound by, nor liable for, any warranties or other representations regarding the Premises unless such representations and warranties are set forth in a written instrument duly executed by Seller. i DATED this 2 day of , 1996 . SELLER PURCHASER ALPER NORTHWEST, INC. , THE CITY OF RENTON, a Washington a Washington corporation, municipal corporation, ;2,110"..t....—c77014,....1.4^__, By U — By Its President Mayor Jesse Tanner Date: ifi'Z Date: aw.i4 Z21 /996 By ATTEST BY: Its Vice President Doha i .. SLAG t. .I Ci erk Marilyn+J. Petersen Date: 25, OVIL, Date: aFccif oZ,2i /qqG APPROVED AS TO LEGAL FORM: Lawrence J. Warren, City Attorney Date : aa1 /99� CITY 14:3 9:7/16/96:as. REAL ESTATE PURCHASE AND SALES AGREEMENT-6 EXHIBIT"A" TO REAL ESTATE PURCHASE AND SALE AGREEMENT LEGAL DESCRIPTION TRACT A REMAINDER,BLACKRIVER CORPORATE.PARK RENTON,WASHINGTON LOT 1 OF CITY OF RENTON LOT LINE ADJUSTMENT NO. LUA-92-069LLA ACCORDING TO THE MAP THEREOF RECORDED UNDER KING COUNTY RECORDING NO. 9205219004; SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON. EXHIBIT `B" TO REAL ESTATE PURCHASE AND SALE AGREEMENT LEGAL DESCRIPTION TRACT B PARCEL, BLACK RIVER CORPORATE PARK RENTON, WASHINGTON THAT PORTION OF TRACT B, WASHINGTON TECHNICAL CENTER, AS RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY, WASHINGTON, LYING NORTHERLY OF SOUTHWEST 7m STREET AS DEEDED TO THE CITY OF RENTON BY DEED FILED UNDER RECORDER'S NO. 8702100643, AND WESTERLY OF NACHES AVENUE SOUTHWEST AS DEEDED TO THE CITY OF RENTON BY DEED FILED UNDER RECORDER'S NO. 8702100644, RECORDS OF SAID COUNTY. EXHD311 "C" TO REAL ESTATE PURCHASE AND SALE AGREEMENT LEGAL DESCRIPTION RIVERTECH PARCEL(LOT 1) RENTON,WASHINGTON THAT PORTION OF THE SOUTHEAST V. OF SECTION 13, TOWNSHIP 23 NORTH, RANGE 4 EAST W.M. AND THE SOUTHEWEST V. OF SECTION 18, TOWNSHIP 23 NORTH, RANGE 5 EAST W.M.,DESCRIBED AS FOLLOWS: BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST %.WITH THE NORTH LINE OF THE SOUTH 650.00 Ft&1"THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER, AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; THENCE NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 1099.78 1F E.1; THENCE NORTH 01 DEGREES 45 MINUTES 00 SECONDS EAST 418.89 FEE1 TO A POINT ON THE SOUTHERLY LINE OF THE CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT-OF-WAY SAID POINT BEING ON A CURVE WITH A RADIUS OF 1005.37 F1,THE RADIUS OF WHICH BEARS NORTH 38 DEGREES 15 MINUTES 05 SECONDS EAST; THENCE SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346.30 PEE 1; THENCE SOUTH 71 DEGREES 29 MINUTES 03 SECONDS EAST ALONG SAID SOUTHERLY LINE 912.08 FEE 1 TO THE NORTH LINE OF THE SOUTH 650.00 1FEE 1 OF THE SOUTHWEST '/. OF THE SOUTHWEST ''A OF SAID SECTION 18; THENCE NORTH 89 DEGREES 10 MINUTES 25 SECONDS WEST ALONG SAID NORTH LINE 81.57 FEET TO THE POINT OF BEGINNING; SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON. F•X1jIBIT "D" TO REAL ESTATE RCHASE A SALE AGREEMENT 'ti ND 0ov d o'a o ff:%.:.-- _._ %® Ri'f• }. xi• • m�vJ' i�' 8v Nor }': ��' pa RIVERTECH PARCEL \�� ,opt '�,�, � 7- ~ . �c ,:Ei''� • IF -^i��« = cry' rA4m.o \ •C•,. . , ` . • I TRACT A I �,. - -- -~r' R1 MAINDEk M.% - . • f 1 ' 4 4,an/•h r / J D ri!i i;; ./.iii' • R 1 ......, 4 • 4. . ......., •• ,to...--• - . • [ii , • ..._,....--it,�r'� .,, ,•., , N.' g 1 \ ,•„. „,... --.... H I ors i, ! �,�, . ,.41 cg TRACT B '��i� . .`~.0 , �:1 a V,1 ‘..,,.. . .. . 0..' •• • i '-sir-\k\‘ 1 .I ' V V.1 I Ithi ttrEf.. .. •• -Cs 34•rN . OI.ACKRIVER . ,• v CORPORATE PARK "was. wwwmil %ib k„..........„.../..41,.--..-- •-- . NIASTERPLAN November 20, 1991 MEMORANDUM OF AGREEMENT REGARDING BLACKRIVER CORPORATE PARK, TRACTS A, B AND C THIS AGREEMENT ("Agreement") is made and entered into this day of November, 1991 by and between the City of Renton, a Washington municipal corporation ("the City") , First City Washington, Inc. , a Washington corporation ("First City") , the Seattle Audubon Society ("Seattle Audubon") , a Washington non- profit corporation, and Rainier Audubon Society ("Rainier Audubon") , an unincorporated association of citizens, the Citizens for Renton Wildlands Preservation, an unincorporated association of citizens ("Renton Citizens") , and the Sierra Club (:: Cascade Chapter, Sammamish Group ("Sierra Club") , a Washington non-profit corporation (all collectively, "the Parties") . I . RECITALS 1. WHEREAS the City is an optional municipal code city of the State of Washington pursuant to RCW Chapter 35A, with the authority to purchase and hold property, and to regulate development under its land use, shorelines, building and other codes and the State Environmental Policy Act ("SEPA") , and to manage the parks, streets, and other public facilities within its jurisdiction; and 2. WHEREAS First City is the owner of the property which is a subject of this Agreement, to wit, Tracts A, B, and C of the - 1 - (' November 20, 1991 V. CITY PURCHASE OF PORTIONS OF TRACT C A. Purchase of the City Tract C Property. The City agrees to purchase, and First City agrees to sell to the City, Lots 5, 7, 8, 9, 10 and a portion of Lot 6 of Tract C of the Blackriver Corporate Park ("the City Tract C Property") under the terms and conditions set forth in the Real Estate Purchase and Sale Agreement for a Portion of Tract C, including its attachments ("the Tract C Purchase Agreement") , which is attached hereto as Exhibit 0 and by this reference incorporated herein. The City Tract C Property is depicted on Attachment A and legally described on Attachment C of the Tract C Purchase Agreement. Closing of the City's purchase of the City Tract C Property is contingent upon First City's obtaining an acceptable final site plan approval and shoreline permit for the Revised Project, which contingency may be waived by First City, all as further provided in Section VI.B below. B. Purchase of Tract C Option Property. First City agrees to grant the City a two year option to purchase the portion of Tract C remaining after the purchase of the City Tract C Property, to wit, Lot 3, Lot 4 and the remainder of Lot 6 of Tract C ("the Tract C Option Property") under the terms and conditions set forth in the Option Agreement including its attachments, which are attached hereto as Exhibit P and by this reference incorporated herein. The Option Agreement is - 37 - November 13, 1991 Parties as reflected herein. The other provisions of this Agreement shall remain in full force and effect. M. Authority to Bind The signatories hereto represent and warrant that they have the authority to bind their respective organizations or corporations. EXECUTED this 2-J day ofe'"`^' , 1991. CITY OF RENTON, a Washington municipal corporation By G),Q _ Earl Clymer Mayor ATTEST: -)7) B Y City Cle APPRO7S TO FORM: Bx �ity Attorney FIRST CITY WASHINGTON, INC. , a Washington corporation By Its By Its - 42 - // November 13, 1991 Parties as reflected herein. The other provisions of this Agreement shall remain in full force and effect. M. Authority to Bind The signatories hereto represent and warrant that they have the authority to bind their respective organizations or corporations. EXECUTED this 1— day of !E- - -^"" , 1991. CITY OF RENTON, a Washington municipal corporation By Earl Clymer Mayor ATTEST: By City Clerk APPROVED AS TO FORM: By City Attorney FIRST CITY WASHINGTON, INC. , a Washington corporation By MaIWEt_�l 4 BELLAMY Its By -l_z -. Its DEAN R. ERICKSON bait rHaa N i - 42 - November 20, 1991 SEATTLE AUDUBON SOCIETY, a Washington non-profit corporation By (Z.• U� Its -t'(Z t c D :ru RAINIER AUDUBON SOCIETY, an unincorporated association of citizens By 6:- Its Actt- ica. CITIZENS FOR RENTON WILDLANDS PRESERVATION, an unincorporated association of citizens By CIts ) 1?--DN.,Q)-9-4-\A"-- SIERRA CLUB CASCADE CHAPTER, a Washington non-profit corporation By Its ` '•O P (.tom 11Q�f` - 44 - November 13, 1991 STATE OF WASHINGTON ) ss. COUNTY OF KING ) On this /5,4%, day of , 1991, before me personally appeared EARL CLYMER, MAYOR of the municipal corporation that executed the within and foregoing instrument, and acknowledged said instrument to be the free and voluntary act and deed of said municipal corporation, for the uses and purposes therein mentioned, and on oath stated that he was authorized to execute said instrument and that the seal affixed is the official seal of said municipal corporation. In Witness Whereof I have hereunto set my hand and affixed by official seal the da and year first abo written. / ZZ / ota Publ c O and for re tate of h: wn ; esiding at f-7v . My Commis on Expires: f0( STATE OF WASHINGTON ) ss. COUNTY OF KING ) On this day of /1'/�// , 1991, before me personally appeared DEAN iRICKSON of the corporation that executed the within and foregoing instrument, and acknowledged said instrument to be the free and voluntary act and deed of said corporation, for the uses and purposes therein mentioned, and on oath stated that he was authorized to execute said instrument and that the seal affixed is the corporate seal of said corporation. In Witness Whereof I have hereunto set my hand and affixed by official seal the day and year first above written. ItC ary Pub is in and for the)Statee Hof Al -h , residing at h9 . • My Commission Expires: -7-/q- 2- - 44 - r- November 13 , 1991 STATE OF WASHINGTON ) ss. COUNTY OF KING ) On this 02o day of nl ,,,, , 1991, before me personally appeared KENNETH BELLAMY of the corporation that executed the within and foregoing instrument, and acknowledged said instrument to be the free and voluntary act and deed of said corporation, for the uses and purposes therein mentioned, and on oath stated that he was authorized to execute said instrument and that the seal affixed is the corporate seal of said corporation. In Witness Whereof I have hereunto set my hand and affixed by official seal the day and year first above written. C--- -)-- _,.- _,... ca,‘, Notary ublic in and for the State of 1,,),(<>4,4,` , residing at _,-CT . My Co ission Expires: 4(-10-5'._ CSTATE. OF WASHINGTON ) ss. < COUNTY OF KING ) ' On this c day of / YUv�febe-K- , 1991, before me personally appeared GERRY ADAMS, President of the Seattle Audubon Society and authorized agent of Rainier Audubon Society, that executed the within and foregoing instrument, and acknowledged said instrument to be the free and voluntary act and deed of said non-profit corporation and unincorporated association of citizens, respectively, for the uses and purposes therein mentioned, and on oath stated that he was authorized to execute said instrument of said non-profit corporation and unincorporated association of citizens. In Witness Whereof I have hereunto set my hand and affixed by official seal the day and y- -r first above written. alir --// /t - ` • ar; P blic in and for the t to of IA A5 / �Yt , residing at 0 . My Compassion Expires: �/' - y- - 45 - • November 20, 1991 STATE OF WASHINGTON ) ss. COUNTY OF KING ) On this c7o day of /, aernhe , 1991, before me personally appeared SUSAN KROM, President of Citizens for Renton Wildlands Preservation and authorized agent of Cascade Chapter Sierra Club that executed the within and foregoing instrument, and acknowledged said instrument to be the free and voluntary act and deed of said unincorporated association of citizens and non- profit corporation and, respectively, for the uses and purposes therein mentioned, and on oath stated that she was authorized to execute said instrument of said non-profit corporation and unincorporated association of citizens. In Witness Whereof I have hereunto set my hand and affixed by official seal the day and year first above written. of Publ c in and for the Sta of l 4f /, h, residing at A-6,44 3e 7 My Comm Sion Expires: - 47 - November 20, 1991 EXHIBITS TO MEMORANDUM OF AGREEMENT Exhibit A - Tract A Legal Description B - Tract B Legal Description C - Tract C Legal Description D1/D2 - Original site plans E - FEIS Figures 1-3 showing Heron Rookery F - Tract A Schematic Site Plan G - Tract B Schematic Site Plan H - Landscape Areas Plan I - Construction Limit Zone J - Transportation Management Plan Goals and Elements K - Stipulated Dismissal L - Press Release M - Wetlands Mitigation Plan Elements N - Real Estate Purchase & Sale Agreement for a Portion of Tract A and Attachments O - Real Estate Purchase & Sale Agreement for a Portion of Tract C and Attachments P Option Agreement and Attachments FC175011A11191.ALK - 48 - November 20, 1991 EXHIBIT 0 REAL ESTATE PURCHASE AND SALE AGREEMENT FOR A PORTION OF TRACT C THIS REAL ESTATE PURCHASE AND SALE AGREEMENT (the "Purchase Agreement") is between FIRST CITY WASHINGTON, INC. , a Washington corporation ("Seller") and the CITY OF RENTON, a municipal corporation ("Purchaser") , and is made for the purpose of purchase and sale of the following described real property. In consideration of the covenants and agreements hereinafter made, the parties agree as follows: 1. Relationship to Memorandum Agreement. The purchase and sale described herein is an element of that certain Memorandum of Agreement Regarding Blackriver Corporate Park Tracts A, B and C dated November 20, 1991 (the "Memorandum Agreement") between the parties hereto (the "Parties") and other parties. It is the intent of the Parties that this Purchase Agreement shall implement in part the terms of the Memorandum Agreement. In the event of any inconsistency between the terms and provisions of this Purchase Agreement and the Memorandum Agreement, the terms and provisions of the Memorandum Agreement shall govern. This Purchase Agreement shall become effective upon the date of execution of this Purchase Agreement and the Memorandum Agreement by all the parties thereto. In no event shall this Purchase Agreement become effective absent acceptance and execution of the Memorandum Agreement by all parties thereto. - 1 - November 20, 1991 2. Description of Property. Purchaser agrees to purchase from Seller, and Seller agrees to sell unto Purchaser, the real property commonly known as Lots 5, 7, 8, 9, 10 and a portion of Lot 6 of Tract C of Blackriver Corporate Park, in King County, Washington, and referred to in this Purchase Agreement as the "City Tract C Property, " which property is depicted in Attachment A and legally described in Attachment B, both of which are attached hereto and incorporated herein. Purchaser hereby authorizes the insertion over its signature of the correct legal description of the above designated property if unavailable at the time of signing, or to correct the legal description previously entered if erroneous or incomplete. 3. Purchase Price. The purchase price is Two Million Five Hundred One Thousand Two Hundred Twenty-eight and No/l00 Dollars ($2,501,228.00) , payable in cash at closing. 3. 1 As additional consideration for the sale, Purchaser shall at closing: (a) Pay directly or reimburse Seller for the costs of surveying the boundary of a portion of Lot 6 of the City Tract C Property, and preparing the legal descriptions therefor. (b) Provide evidence reasonably satisfactory to Seller of a completed lot boundary adjustment between a portion of Lot 6 of City Tract C Property and the remaining portion of Lot 6 of Tract C not being purchased hereunder. - 2 - November 20, 1991 3 .2 As further consideration for the sale, Purchaser shall within a period of ten years from the date of execution of this Agreement: (a) Grant Seller the opportunity for mitigation credits to mitigate for impacts to wetlands, wildlife habitat, open space and other sensitive areas which impacts may be occasioned by the development of the portion of Tract C remaining in Seller's ownership or, with Purchaser's approval, which approval shall not unreasonably be withheld, impacts of other development located in a three mile radius of the City Tract C property ("Mitigation Credits") , and those rights of entry or easements that are necessary for Seller to utilize such Mitigation Credits on the portion of the City Tract C property purchased with funds obtained by the City from the King County Open Space Program ("City Tract C - Open Space Area") . (b) Grant Seller Mitigation Credits and those rights of entry or easements that are necessary for Seller to utilize such Mitigation Credits on the portion of Tract C purchased with funds obtained by the City from the Municipality of Metropolitan Seattle ("City Tract C - Metro Area") , to the extent such opportunity for Mitigation Credits remains after Metro has used its rights to mitigate or disclose plans to utilize its rights to mitigate under that certain Agreement between Metro and Purchaser dated July 1991. - 3 - • November 20, 1991 (c) Agree to in good faith consider and promptly respond to any reasonable proposals by Seller for the granting of easements as necessary for utilities, landscaping, access and other requirements on the City Tract C Property, and for credit for the City Tract C Property regarding satisfaction of setback, yard, landscape and other zoning code requirements on the portion of Tract C remaining after Purchaser's purchase of the City Tract C Property, in recognition that the remainder is a small, unusually shaped area with environmental sensitivities which may make a standard development difficult. Purchaser's obligation to grant Mitigation Credits, easements and zoning code waivers as more particularly set forth in this Section 3.2 shall survive closing. 4. Title,. Title to the City Tract C Property shall be free of encumbrances or defects except the right to Mitigation Credits and easements as specified above and those exceptions approved by Purchaser as provided below. Seller agrees to furnish to Purchaser a Standard Coverage Owner' s Policy of Title Insurance, such policy to be effective on the date of closing and such policy to be issued by Transamerica Title Insurance Company. As soon as reasonably possible following the opening of escrow, but not later than ten (10) days following the last Party's execution of this Agreement, Seller shall furnish to Purchaser a Preliminary Commitment (the "Commitment") on the City Tract C Property, together with copies of any exceptions set forth in the - 4 - November 20, 1991 Commitment. Purchaser shall have ten (10) days from receipt of the Commitment within which to notify Seller in writing of Purchaser's disapproval of any exception shown in the Commitment; provided, however, that rights reserved in Federal Patents or State Deeds, building or use restrictions general to the district, existing easements not inconsistent with the intended use of the restricted parcels, and building or zoning regulations or provisions shall not be deemed exceptions. Seller shall have thirty (30) days from the date of receipt of Purchaser's objections to determine whether or not to cure such exceptions. If Seller declines or is unable to cure any of the exceptions objected to from the Policy of Title Insurance to be issued, Purchaser may either (i) elect to declare this Purchase Agreement void, or (ii) consummate the transaction in the same manner as if there had been no title objections. In the event Purchaser does not provide written notice of objections within the time period provided, Purchaser will be deemed to have accepted the condition of title as set forth in the Commitment. In the event Seller does not provide written notice to Purchaser that Seller declines or is unable to cure any of Purchaser's objections within the time period provided, Seller will be deemed to have agreed to cure such objections. Seller shall have until closing to cure any objections which it has agreed to cure. Seller and Purchaser shall split any cancellation fee for the Commitment, such fee not to exceed One Hundred Dollars ($100.00) . - 5 - November 20, 1991 5. Conveyance. Transfer of Seller's interest in the City Tract C Property shall be by Statutory Warranty Deed, subject to the encumbrances more particularly described in paragraph 4 above, and also subject to the indemnification and release more particularly set forth in paragraph 11 below. 6. Prorations. Taxes for the current year shall be prorated as of the date of closing. 7. Condition to Closing. The obligations of the Seller under this Purchase Agreement are conditioned upon Seller's receipt of a site plan approval and shoreline permit for the remaining portion of Tract A and Tract B, on terms and conditions reasonably acceptable to Seller, in conformance with the Mitigation Conditions and other provisions of the Memorandum Agreement. This condition may be waived by Seller in its sole discretion and any such waiver shall be in writing. 8. Closing. This purchase shall be closed in the Seattle office of Transamerica Title Insurance Company (the "Closing Agent") , within 30 days after satisfaction or waiver of the condition specified in Section 7 above, but in any event not later than two years from date of this Purchase Agreement, which shall be the termination date. The Parties will deposit in escrow with the Closing Agent all instruments and moneys necessary to complete this purchase in accordance with this Purchase Agreement. The premium for the standard coverage Owners ' Policy of Title Insurance shall be paid by Seller. The - 6 - November 20, 1991 escrow fee shall be paid one-half (1/2) each by the Parties. Purchaser shall pay recording fees and all other costs and expenses normally borne by Purchaser. As this sale is to a municipal corporation, no real estate excise tax shall be assessed. 9. possession. Seller shall deliver possession of the City Tract C Property to Purchaser on date of closing. 10. Condition of Property. The Purchaser has inspected the City Tract C Property and agrees to accept the City Tract C Property "As Is" in its present condition. Purchaser agrees and acknowledges that Seller makes no representations or warranties with respect to the physical condition of the City Tract C Property, and that the City Tract C Property is subject to the indemnity and release set forth below. 11. Indemnity and Release. Purchaser agrees to release Seller from and to indemnify, defend and hold Seller harmless from and against any and all claims, causes of action, demands, losses, liabilities, costs, damages and expenses (including, without limitation, attorneys' and consultants' fees, but without waiver of the duty to hold harmless) arising from or out of the entry of Purchaser, including the past entry of the Purchaser, its employees, contractors or agents onto the City Tract C Property or the placing of dredge spoils, excavated soils and fill material thereon, by Purchaser, its employees, contractors or agents (such entry and activities hereinafter "Purchaser's - 7 - • November 20, 1991 Filling") including but not limited to costs of investigation and remediation of soils or groundwater contamination caused by Purchaser's filling, negotiating with agencies, and defense of lawsuits, occasioned by Purchaser's Filling, brought by agencies or third parties, and payment of fines and penalties occasioned by Purchaser's Filling and will pay all Seller's costs and expenses, including attorneys' fees, incurred in enforcing this duty to release, indemnify, defend and hold harmless. The indemnity set forth in this paragraph shall survive closing. 12. Default. If either Party defaults in its contractual performance herein, the non-defaulting Party may seek specific performance (or mandamus) pursuant to the terms of this Agreement, damages, rescission or injunction. Purchaser is purchasing the City Tract C Property in its proprietary capacity not its governmental capacity and therefor sovereign immunity does not apply to the enforcement of this Purchase Agreement or the Memorandum Agreement. The non-defaulting Party shall be entitled to recover its costs and attorney's fees in the event counsel is retained as a result of such default. A default under the terms of this Purchase Agreement shall be deemed a default under the terms of the Memorandum Agreement, and in such event the non-defaulting Party shall be entitled to all remedies provided by the Memorandum Agreement in addition to the remedies provided hereunder. - 8 - November 20, 1991 13. Miscellaneous. There are no verbal or other agreements which modify or affect this Purchase Agreement, other than the Memorandum Agreement. Time is of the essence of this Purchase Agreement. Purchaser has not consulted with, nor discovered the City Tract C Property through the use of a realtor or other agent and there are no finders fees or commissions due upon this transaction. Facsimile transmission of any signed original document, and retransmission of any signed facsimile transmission, shall be the same as transmission of an original. At the request of either Party, or the Closing Agent, the Parties will confirm facsimile transmitted signatures by signing an original document. Notices given under this Purchase Agreement shall be in writing and shall be delivered personally with written receipt therefor sent via facsimile transmission or sent by certified mail, return receipt requested, to the following addresses: Seller: Dean Erickson First City Washington, Inc. 700 Fifth Avenue, Suite 6000 Seattle, WA 98104 With copy to: Amy L. Kosterlitz Buck & Gordon 1011 Western Avenue, Suite 902 Seattle, WA 98104 Purchaser: Mayor, City of Renton 200 Mill Avenue South Renton, WA 98055 - 9 - November 20, 1991 With copy to: Lawrence Warren City Attorney 100 South Second Street Post Office Box 626 Renton, WA 98057 14. Residency of Seller. Seller warrants to Escrow Agent that if Seller is an individual, Seller is not a non-resident alien for purposes of U.S. income taxation or if Seller is a corporation, partnership, trust, or estate, Seller is not a foreign corporation, foreign partnership, foreign trust or foreign estate. 15. Assignment. This Purchase Agreement is not assignable by Purchaser or Seller without the express written consent of the other Party to this Agreement, which consent will not be unreasonably withheld. 16. Governing Law. This Purchase Agreement shall be construed and interpreted under and shall be governed and enforced in all respects according to the laws of the State of Washington. 17. Oral Agreements and Representations. There are no oral or other agreements, including but not limited to any representations or warranties, which modify or affect this Purchase Agreement. Seller shall not be bound by, nor liable for, any warranties or other representations made by any other person, partnership, corporation or other entity unless such representations are set forth in a written instrument duly executed by Seller. - 10 - November 20, 1991 18. Enforcement. Either Party's failure to insist upon or enforce strict performance by the other Party of any provision of this Purchase Agreement or to exercise any right under this Purchase Agreement shall not be construed as a waiver or relinquishment to any extent of such Party's right to assert or rely upon any such provision in any other instance, which provision shall remain in full force and effect. 19. Binding Nature. All rights and obligations arising out of this Purchase Agreement shall inure to the benefit of and be binding upon the respective successors, heirs, assigns, tenants, administrators, executors, and marital communities, if any, of the Parties to this Purchase Agreement. This Purchase Agreement Cshall not bind either Party unless it has been properly authorized, executed and delivered by Purchaser and Seller. 20. Captions. The captions and section headings of this Purchase Agreement are inserted for convenience only and shall not be deemed to limit or expand the meaning of any section. 21. Invalidity. If any provision of this Purchase Agreement shall be held invalid, void, or illegal, it shall in no way effect, impair or invalidate any of the other provisions of this Purchase Agreement. 22. Warranty and Representation of Authority. Seller and Purchaser each represent to the other that the person or persons signing this Purchase Agreement have authority to execute the same and to bind the Parties to this Purchase Agreement; and that - 11 - / " C November 20, 1991 it has obtained all consents, permissions, and approvals related to entry into this Purchase Agreement, its obligations under this Purchase Agreement or under any covenant, agreement, encumbrance, law, or regulation applicable to the Parties to this Purchase Agreement. 23. Counterparts. This Purchase Agreement may be executed in counterparts, which shall include signatures forwarded by telecopy which shall be treated as originals for all purposes. All executed counterparts shall constitute one agreement, binding on all of the Parties, notwithstanding that all the Parties have not signed the original or the same counterpart. Any such counterpart shall be admissible into evidence as an original against the g person who executed that counterpart. SELLER: PURCHASER: FIRST CITY WASHINGTON, INC. , THE C�--ITY OF RENTON, a a Washin on corporation muncipal corporation By: < .j_:Z)z/Z__._ _ By: ;1 Cl \� r�� n S:8'' E t9 V.Bfl AYY Its. „ Mayor By: h' �&GC, -/-�=Q }� Dated: I\�,L) i .��, \,(..�C\1 Its: DEAN R. ERICKSON APPROVED AS TO FORM: VICE PRESIDENT //,, n1 Dated: i 4, 111„ itcr -217 ig�/ a _V !/�-v e City Attorney ATTEST: ())-)- - „ City Cle - 12 - November 20, 1991 ATTACHMENTS A - Graphic depiction of City Tract C B - Legal description of City Tract C FCVsoI wo11cIBLALr (I - 13 - City Tract C Property . •4. .. 41. ".4 .. fir. �`'x; i rii i d..i: w ` t,ejte:olt... 7.'14... ����y?�� /�1 }t. ::' se'r9 ���i� �;i:{.•;i;�:,'c�i+•r.. .o.,., . e.::,.:1 .: : 5,,.. . tv...:t.v.v.., .. , t. ::•1 ... .$ . ow . i dire.v.., . .......4„*. _41„ke.„ . • -Ati, i$i: ',it • .` •r•4ttr�'ee:1{.:t=�1, +'A.►►'...1ut ';I� fir, ` -I •�C,y �yje •[�.•(yr'(Lq��•' � �.r/ rh,! r..''4'•:'•..t�,{rj . 1.��;�� .t // F 11�KK•..""�* .1.,: a+.l_4.. ,J. rf YYY�/7/A . ✓ ._ t . ".- t.4• .�f. i1,•:.....N.r'l:... j•.l / lad 1 is 0. �. �{+/y ,l,��` 'f};.S;L 1•!,t:' !>' r f" t`•i'$' �.. f:t..• / .j j ;Tt a j` i•t._ 9.'t�;.* R N•�y �;i'�r�i'2Zv�l�n•' :•�T�•• ,i1 r) . I ..\\ . .`` 4� �i r i•. •,. ;;. ',• 'lujt► its •�• �� 1:,V,iik. t n X �! ♦ h �wY,':yll •at!/i' /J�!'rs.�'a P�.Y�1 /� Y.., L y/.j�%iL.:; / ,rTryS'' f£ gilt. r% J�YrJi!/f�r , /irr�h r/r�rJ [.':r2 � n W rri z(w,Jl R�!+'•S��sri�Y%r£••'+•?r"y��rrrJr', l/fi4,�%ir�IN��Jr / /•• •q z::L r L jy• r, fb •� 't V •'" i , 23 4.• `�'•S�f:;}'hnY/r� •4 it "t1 M Po H .< TRACT C I7N(1 i BLACKRIVER ---net CORPORATE PARK nt •?,. " MYwttM .pr...vs7v... ?HA$I YA • 11.8-91 ' . 99 - 6a-5 Ly) LO84114 PE"r Q�� ND D CIN OF RE NOV p g 199% GEOTECHNICAL ENGINEERING STUDY PROPOSED BLACKRIVER CORPORATE PARK POWELL AVENUE SOUTHWEST RENTON, WASHINGTON E-1990-20 November 3, 1999 • PREPARED FOR BLACKRIVER-RIVERTECH LLC -7&(Y Kristina M. Weller, P.E. Project Engineer CA ,c3 i � . igt otHAL 111 III�eIoO Kyle R. Campbell, P.E. Manager of Geotechnical Services Earth Consultants, Inc. 1805 - 136th Place Northeast, Suite 201 Bellevue, Washington 98005 (�11 (425) 643-3780 Toll Free 1-888-739-6670 n �'� If __ 'ORTANT INFORMATIO] ABOUT YOUR GEOTECHNICAL ENGINEERING REPORT More construction problems are caused by site subsur- technical engineers who then render an opinion about face conditions than any other factor. As troublesome as overall subsurface conditions, their likely reaction to subsurface problems can be, their frequency and extent proposed construction activity. and appropriate founda- have been lessened considerably in recent years,due in tion design. Even under optimal circumstances actual large measure to programs and publications of ASFE/ conditions may differ from those inferred to exist. The Association of Engineering Firms Practicing in because no geotechnical engineer, no matter how the Geosciences. qualified,and no subsurface exploration program, no matter how comprehensive,can reveal what is hidden by The following suggestions and observations are offered to help you reduce the geotechnical-related delays, earth, rock and time.The actual interface between mate- cost-overruns and other costly headaches that can rials may be far more gradual or abrupt than a report indicates.Actual conditions in areas not sampled may occur during a construction project. differ from predictions. Nothing can be done to prevent the unanticipated, but steps can be taken to help minimize their A GEOTECHNICAL ENGINEERING impact. For this reason, most experienced owners retain their REPORT IS BASED ON A UNIQUE SET geotechnical consultants through the construction stage,to iden- tify variances,conduct additional tests which may be OF PROJECT-SPECIFIC FACTORS needed, and to recommend solutions to problems encountered on site. A geotechnical engineering report is based on a subsur- face exploration plan designed to incorporate a unique SUBSURFACE CONDITIONS set of project-specific factors. These typically include: the general nature of the structure involved. its size and CAN CHANGE configuration: the location of the structure on the site and its orientation: physical concomitants such as Subsurface conditions may be modified by constantly- access roads, parking lots. and underground utilities, changing natural forces. Because a geotechnical engi- and the level of additional risk which the client assumed neering report is based on conditions which existed at by virtue of limitations imposed upon the exploratory the time of subsurface exploration,construction decisions program. To help avoid costly problems. consult the should not he based on a geotechnical engineering report whose geotechnical engineer to determine how any factors adequacy may have been affected by time. Speak with the geo- which change subsequent to the date of the report may technical consultant to learn if additional tests are affect its recommendations. advisable before construction starts. Unless your consulting geotechnical engineer indicates Construction operations at or adjacent to the site and otherwise, your geotechnical engineering report should not natural events such as floods, earthquakes or ground- be used water fluctuations may also affect subsurface conditions •When the nature of the proposed structure is and. thus. the continuing adequacy of a geotechnical changed, for example, if an office building will be report. The geotechnical engineer should be kept erected instead of a parking garage, or if a refriger apprised of any such events. and should be consulted to ated warehouse will be built instead of an unre- determine if additional tests are necessary. frigerated one: •when the size or configuration of the proposed GEOTECHNICAL SERVICES ARE structure is altered: PERFORMED FOR SPECIFIC PURPOSES •when the location or orientation of the proposed AND PERSONS structure is modified; •when there is a change of ownership. or Geotechnical engineers' reports are prepared to meet •for application to an adjacent site. the specific needs of specific individuals. A report pre- Geotechnical engineers cannot accept responsibility for problems pared for a consulting civil engineer may not be ade- which may develop if they are not consulted after factors consid- quate for a construction contractor,or even some other ered in their report's development have changed. consulting civil engineer. Unless indicated otherwise. this report was prepared expressly for the client involved and expressly for purposes indicated by the client. Use MOST GEOTECHNICAL "FINDINGS" by any other persons for any purpose, or by the client ARE PROFESSIONAL ESTIMATES for a different purpose. may result in problems. No indi- vidual other than the client should apply this report for its Site exploration identifies actual subsurface conditions intended purpose without first conferring with the geotechnical only at those points where samples are taken, when engineer. No person should apply this report for any purpose they are taken. Data derived through sampling and sub- other than that originally contemplated without first conferring sequent laboratory testing are extrapolated by geo- with the geotechnical engineer. L 1I r.`;, Earth Consultants Inc. 71/),/ Geowchnical FIngine•t•rs.Gook'gists t.I nvirt,nnu•nI I M irntkts November 3, 1999 E-1990-20 Blackriver-Rivertech LLC c/o Alper Northwest 700 Fifth Avenue, Suite 6000 Seattle, Washington 98104 Attention: Dean Erickson Dear Mr. Erickson: We are pleased to submit our report titled "Geotechnical Engineering Study, Proposed Blackriver Corporate Park, Powell Avenue Southwest, Renton, Washington." This report presents the results of our field exploration, selective laboratory tests, and engineering analyses. The purpose and scope of our study was outlined in our September 17, 1999 proposal. Based on the results of our study, it is our opinion the project can be constructed generally as planned. Building support may be provided using conventional spread and continuous foundation systems bearing on at least two feet of structural fill. Slab-on-grade floors may be supported on one foot of structural fill. We appreciate this opportunity to be of service to you. If you have any questions or if we can be of further assistance, please call. Respectfully submitted, EARTH CONSULTANTS, INC. l� Kyle R. Campbell, P.E. Manager of Geotechnical Services KME/KRC/bkm 1805-136th Place N.E.,Suite 201,Bellevue,Washington 98005 Bellevue(425)643-3780 FAX(425)746-0860 Toll Free(888)739-6670 A. TABLE OF CONTENTS E-1 990-20 PAGE INTRODUCTION 1 General 1 Project Description 1 SITE CONDITIONS 1 Surface 1 Subsurface 2 Groundwater 2 Laboratory Testing 2 DISCUSSION AND RECOMMENDATIONS 3 General 3 Site Preparation and General Earthwork 3 Foundations 5 Retaining and Foundation Walls 6 Slab-on-Grade Floors 6 Seismic Design Considerations 6 Excavations and Slopes 7 Site Drainage 8 Utility Support and Backfill 9 Pavement Areas 9 LIMITATIONS 10 Additional Services 10 APPENDICES Appendix A Field Exploration Appendix B Laboratory Test Results ILLUSTRATIONS Plate 1 Vicinity Map Plate 2 Test Pit Location Plan Plate 3 Typical Footing Subdrain Detail Plate 4 Utility Trench Backfill Plate Al Legend Plates A2 through A5 Test Pit Logs Plate B1 Grain Size Analyses Earth Consultants, Inc. GEOTECHNICAL ENGINEERING STUDY PROPOSED BLACKRIVER CORPORATE PARK POWELL AVENUE SOUTHWEST RENTON, WASHINGTON E-1990-20 INTRODUCTION General This report presents the results of the geotechnical engineering study completed by Earth Consultants, Inc. (ECI) for the proposed Blackriver Corporate Park in Renton, Washington. The general location of the site is shown on the Vicinity Map, Plate 1 . The purpose of this study was to explore the subsurface conditions at the site and based on the conditions encountered to develop geotechnical recommendations for the proposed site development. Project Description We understand it is planned to develop the site with a one-story office building and associated parking. At the time our study was performed, the site, proposed building location and our exploratory locations were approximately as shown on the Test Pit Location Plan, Plate 2. The proposed development will include asphalt-surfaced parking and driveway areas. We anticipate traffic will consist of passenger vehicles and occasional service and delivery trucks. If the above design criteria are incorrect or change, we should be consulted to review the recommendations contained in this report. In any case, ECI should be retained to perform a general review of the final design. SITE CONDITIONS Surface The subject site is located north and east of the north end of Powell Avenue Southwest (see Plate 1, Vicinity Map). The site is approximately triangular in shape, extending about 1150 feet in the east-west direction and 420 feet in the north-south direction. The site is bordered on the west and south by commercial developments and on the northeast by wetlands and the Burlington Northern railroad tracks. The site is relatively flat. Site vegetation consists of blackberries and trees. Earth Consultants, Inc. GEOTECHNICAL ENGINEERIN TUDY . -Blackriver-Rivertech LLC c/o Alper Northwest E-1990-20 November 3, 1999 Page 2 Subsurface Subsurface conditions were evaluated by excavating four test pits at the approximate locations shown on Plate 2. Please refer to the Test Pit Logs, Plates A2 through A5, for a more detailed description of the conditions encountered at each location explored. A description of the field exploration methods is included in Appendix A. The following is a generalized description of the subsurface conditions encountered. Our test pits indicate the site is immediately underlain by a four-inch thick layer of topsoil and rootmass. This soil unit is characterized by its brown to black color and the presence of organic material. This soil layer is not considered suitable for use in support of foundations, slabs-on-grade, or pavements. In addition, it is not suitable for use as a structural fill, nor should it be mixed with material to be used as structural fill. Underlying the topsoil in our test pits, we encountered eight to eleven feet of loose to medium dense silt, silty sand and sandy silt (Unified Classification ML, SM and ML) underlain by medium dense poorly graded sand to poorly graded gravel with sand (SP and GP). Groundwater Rapid groundwater seepage was encountered in our test pits at eight to eleven feet below the ground surface. The seepage appears to represent the groundwater table. The contractor should be made aware that groundwater is not static. There will be fluctuations in the level depending on the season, amount of rainfall, surface water runoff, and other factors. Generally, the water level is higher and seepage rate is greater in the wetter winter months (typically October through May). Laboratory Testing Laboratory tests were conducted on several representative soil samples to verify or modify the field soil classification and to evaluate the general physical properties and engineering characteristics of the soil encountered. Visual field classifications were supplemented by grain size analyses on representative soil samples. Moisture content tests were performed on all samples. The results of laboratory tests performed on specific samples are provided either at the appropriate sample depth on the individual boring logs or on a separate data sheet contained in Appendix B. It is important to note that these test results may not accurately represent the overall in-situ soil conditions. Our geotechnical recommendations are based on our interpretation of these test results and their use in guiding our engineering judgement. ECI cannot be responsible for the interpretation of these data by others. In accordance with our Standard Fee Schedule and General Conditions, the soil samples for this project will be discarded after a period of fifteen days following completion of this report unless we are otherwise directed in writing. Earth Conaukanta, Inc. GEOTECHNICAL ENGINEERIN1 TUDY Blackriver-Rivertech LLC c/o Alper Northwest E-1990-20 November 3, 1999 Page 3 DISCUSSION AND RECOMMENDATIONS General Based on the results of our study, it is our opinion the proposed development can be constructed generally as planned. Building support may be provided using conventional spread and continuous foundation systems bearing on at least two feet of structural fill. Slab- on-grade floors may be supported on one foot of structural fill. This report has been prepared for specific application to this project only and in a manner consistent with that level of care and skill ordinarily exercised by other members of the profession currently practicing under similar conditions in this area for the exclusive use of Blackriver-Rivertech LLC and their representatives. No warranty, expressed or implied, is made. This report, in its entirety, should be included in the project contract documents for the information of the contractor. Site Preparation and General Earthwork Based on the preliminary site plan, it appears site grading will consist of grading the site to provide a level building pad, installing underground utilities and grading the parking areas. The building and pavement areas should be stripped and cleared of surface vegetation, organic matter and other deleterious material. Existing utility pipes to be abandoned should be plugged or removed so that they do not provide a conduit for water and cause soil saturation and stability problems. Based on the thickness of the topsoil layer encountered at our test pit locations, we estimate a stripping depth of four inches. Deeper areas of stripping will be required to remove the larger root balls of the trees. Stripped materials should not be mixed with materials to be used as structural fill. Following the stripping, the ground surface where structural fill, foundations, or slabs are to be placed should be observed by a representative of ECI. Proofrolling may be necessary in order to identify soft or unstable areas. Proofrolling should be performed under the observation of a representative of ECI. Soil in loose or soft areas, if recompacted and still yielding, should be overexcavated and replaced with structural fill to a depth that will provide a stable base beneath the general structural fill. The optional use of a geotextile fabric placed directly on the overexcavated surface may help to bridge unstable areas. Earth Consultants, Inc. GEOTECHNICAL ENGINEERINL _TUDY - Blackriver-Rivertech LLC c/o Alper Northwest E-1990-20 November 3, 1999 Page 4 The soils encountered during the site exploration are moisture sensitive due to their high fines content. As such, in an exposed condition, they will become disturbed from normal construction activity, especially when in a wet or saturated condition. Once disturbed, in a wet condition, they will be unsuitable for support of foundations, slabs or pavements. Therefore, during construction where these soils are exposed and will support new structures, care must be exercised not to disturb their condition. Consideration should be given to placement of rock or other methods to protect exposed native, undisturbed soils that will support foundations or new structural fill. If disturbed conditions develop, the affected soils must be removed and replaced with structural fill. The depth of removal will be dependent on the level of disturbance developed during construction. Given the above, a summer earthwork schedule is recommended. Structural fill is defined as compacted fill placed under buildings, roadways, slabs, pavements, or other load-bearing areas. Structural fill under floor slabs and footings should be placed in horizontal lifts not exceeding twelve (12) inches in loose thickness and compacted to a minimum of 90 percent of its laboratory maximum dry density determined in accordance with ASTM Test Designation D-1557-91 (Modified Proctor). The fill materials should be placed at or near their optimum moisture content. Fill under pavements and walks should also be placed in horizontal lifts and compacted to 90 percent of maximum density except for the top twelve (12) inches which should be compacted to 95 percent of maximum density. During dry weather, most soils which are compactible and non-organic can be used as structural fill. Based on the results of our laboratory tests, the native soils are generally over the optimum moisture content and will require moisture conditioning (drying out) prior to their use as structural fill. Based on laboratory testing, the native soil has between 30 and 43 percent fines passing the No. 200 sieve. Soil with fines in this range will degrade if exposed to excessive moisture, and compaction and grading will be difficult if the soil moisture increases significantly above its optimum condition. If the native soil cannot be adequately moisture conditioned and compacted then it may be necessary to import a soil which can be compacted. During dry weather, most non-organic compactible soil with a maximum particle size of six inches can be used. Fill for use during wet weather should consist of a fairly well graded granular material having a maximum particle size of six inches and no more than five percent fines passing the No. 200 sieve based on the minus 3/4-inch fraction. A contingency in the earthwork budget should be included for this possibility. Earth Consultants, Inc. GEOTECHNICAL ENGINEERIN( IUDY Blackriver-Rivertech LLC c/o Alper Northwest E-1990-20 November 3, 1999 Page 5 Foundations Based on the results of our study, it is our opinion the proposed building may be supported on a conventional spread and continuous footing foundation bearing on at least two feet of structural fill. For frost protection considerations, exterior foundation elements should be placed at a minimum depth of eighteen (18) inches below final exterior grade. Interior spread foundations can be placed at a minimum depth of twelve (12) inches below the top of slab, except in unheated areas, where interior foundation elements should be founded at a minimum depth of eighteen (18) inches. With foundation support obtained as described, for design, an allowable bearing capacity of two thousand five hundred (2,500) psf for structural fill can be used. Continuous and individual spread footings should have minimum widths of eighteen (18) and twenty-four (24) inches, respectively. Loading of this magnitude would be provided with a theoretical factor- of-safety in excess of three against actual shear failure. For short-term dynamic loading conditions, a one-third increase in the above allowable bearing capacities can be used. With structural loading as expected, total settlement in the range of one inch is anticipated with differential movement of about one-half inch. Most of the anticipated settlements should occur during construction as dead loads are applied. Horizontal loads can be resisted by friction between the base of the foundation and the supporting soil and by passive soil pressure acting on the face of the buried portion of the foundation. For the latter, the foundation must be poured "neat" against the competent native soils or backfilled with structural fill. For frictional capacity, a coefficient of .35 can be used. For passive earth pressure, the available resistance can be computed using an equivalent fluid pressure of three hundred (300) pcf. These lateral resistance values are allowable values, a factor-of-safety of 1 .5 has been included. As movement of the foundation element is required to mobilize full passive resistance, the passive resistance should be neglected if such movement is not acceptable. Footing excavations should be observed by a representative of ECI, prior to placing forms or rebar, to verify that conditions are as anticipated in this report. Earth Consultants, Inc. GEOTECHNICAL ENGINEERINI TUDY Blackriver-Rivertech LLC c/o Alper Northwest E-1990-20 November 3, 1999 Page 6 Retaining and Foundation Walls Retaining walls and foundation walls that act as retaining walls should be designed to resist lateral earth pressures imposed by the retained soils. Walls that are designed to yield can be designed to resist the lateral earth pressures imposed by an equivalent fluid with a unit weight of thirty-five (35) pcf. If walls are to be restrained at the top from free movement, the equivalent fluid weight should be increased to fifty (50) pcf. These values are based on horizontal backfill and that surcharges due to backfill slopes, hydrostatic pressures, traffic, structural loads or other surcharge loads will not act on the wall. If such surcharges are to apply, they should be added to the above design lateral pressure. The passive pressure and friction coefficients previously provided in the Foundations section are applicable to retaining walls. For calculating the base resistance to sliding, the passive pressure and friction coefficient provided in the Foundations should be used. In order to reduce the potential for hydrostatic forces building up behind the walls, retaining walls should be backfilled with a suitable free-draining material extending at least eighteen (18) inches behind the wall. The remainder of the backfill should consist of structural fill. The free-draining backfill should conform to the WSDOT specification for gravel backfill for walls (WSDOT 9-03.12(2)). A perforated drainpipe should be placed at the base of the wall and should be surrounded by a minimum of one cubic foot per lineal foot with three-eighths inch pea gravel. Slab-on-Grade Floors Slab-on-grade floors may be supported on one foot of structural fill. Disturbed subgrade soil must either be recompacted or replaced with structural fill. Concrete slabs resting on soil ultimately cause the moisture content of the underlying soils to rise. This results from continued capillary rise and the ending of normal evapotranspiration. As concrete is permeable, moisture will eventually penetrate the slab resulting in a condition commonly known as a "wet slab" and poor adhesion of floor coverings. Therefore, the slab should be provided with a minimum of four inches of free-draining sand or gravel. In areas where slab moisture is undesirable, a vapor barrier such as a 6-mil plastic membrane may be placed beneath the slab. Two inches of damp sand may be placed over the membrane for protection during construction and to aid in curing of the concrete. Seismic Design Considerations The Puget Lowland is classified as a Seismic Zone 3 in the 1994 Uniform Building Code (UBC). Earthquakes occur in the Puget Lowland with regularity, however, the majority of these events are of such low magnitude they are not detected without instruments. Large earthquakes do occur, as indicated by the 1949, 7.1 magnitude earthquake in the Olympia area and the 1965, 6.5 magnitude earthquake in the Midway area. Earth Consultants. Inc. GEOTECHNICAL ENGINEERINI TUDY - Blackriver-Rivertech LLC c/o Alper Northwest E-1990-20 November 3, 1999 Page 7 There are three potential geologic hazards associated with a strong motion seismic event at this site: ground rupture, liquefaction, and ground motion response. Ground Rupture: The strongest earthquakes in the Puget Lowland are widespread, subcrustal events, ranging in depth from thirty (30) to fifty-five (55) miles. Surface faulting from these deep events has not been documented to date. Therefore, it is our opinion, that the risk of ground rupture during a strong motion seismic event is negligible. Liquefaction: Liquefaction is a phenomenon in which soils lose all shear strength for short periods of time during an earthquake. Groundshaking of sufficient duration results in the loss of grain to grain contact and rapid increase in pore water pressure, causing the soil to behave as a fluid. To have a potential for liquefaction, a soil must be cohesionless with a grain size distribution of a specified range (generally sands and silt); it must be loose to medium dense; it must be below the groundwater table; and it must be subject to sufficient magnitude and duration of groundshaking. The effects of liquefaction may be large total and/or differential settlement for structures founded in the liquefying soils. The soils encountered on-site in the top eight to eleven (11) feet would be subject to liquefaction if saturated. The water table at the time of our explorations was eight to eleven (11) feet below grade at the interface between the loose to medium dense silts and sands and the sand and gravel layer. Isolated areas may be subject to liquefaction, however, the effect on the planned development is anticipated to be minimal provided the recommendations contained in this report are followed. We estimate liquefaction induced settlement would be in the range of the post- constructed settlements discussed earlier. Ground Motion Response: In accordance with Table 16-J of the 1997 UBC, soil type Sp should be used in design. Excavations and Slopes The following information is provided solely as a service to our client. Under no circumstances should this information be interpreted to mean that ECI is assuming responsibility for construction site safety or the contractor's activities; such responsibility is not being implied and should not be inferred. In no case should excavation slopes be greater than the limits specified in local, state and Federal safety regulations. Based on the information obtained from our field exploration and laboratory testing, the native soil would be classified as Type C by OSHA. Temporary cuts greater than four feet in height in Type C soils should be sloped at an inclination of 1 .5H:1V. If slopes of this inclination, or flatter, cannot be constructed, temporary shoring may be necessary. Earth Consuhants, Inc. GEOTECHNICAL ENGINEERIN'_ _TUDY Blackriver-Rivertech LLC c/o Alper Northwest E-1990-20 November 3, 1999 Page 8 Shoring will help protect against slope or excavation collapse, and will provide protection to workers in the excavation. If temporary shoring is required, we will be available to provide shoring design criteria. Permanent cut and fill slopes should be inclined no steeper than 2H:1V. Cut slopes should be observed by ECI during excavation to verify that conditions are as anticipated. Supplementary recommendations can then be developed, if needed, to improve stability, including flattening of slopes or installation of surface or subsurface drains. In any case, water should not be allowed to flow uncontrolled over the top of slopes. Permanently exposed slopes should be seeded with an appropriate species of vegetation to reduce erosion and improve stability of the surficial layer of soil. Site Drainage Rapid groundwater seepage was encountered in our test pits at depths ranging from eight to eleven (11 ) feet below the existing ground surface. Due to the rapid nature of the seepage and the caving associated with the seepage, excavations in excess of eight feet will be difficult or impossible without shoring and/or dewatering. If seepage is encountered in foundation or grade beam excavations during construction, the bottom of the excavation should be sloped to one or more shallow sump pits. The collected water can then be pumped from these pits to a positive and permanent discharge, such as a nearby storm drain. Depending on the magnitude of such seepage, it may also be necessary to interconnect the sump pits by a system of connector trenches. The appropriate locations of subsurface drains, if needed, should be established during grading operations by ECI's representative at which time the seepage areas, if present, may be more clearly defined. During construction, the site must be graded such that surface water is directed off the site. Water must not be allowed to stand in areas where buildings, slabs or pavements are to be constructed. Loose surfaces should be sealed at night by compacting the surface to reduce the potential for moisture infiltration into the soils. Final site grades must allow for drainage away from the building foundations. The ground should be sloped at a gradient of three percent for a distance of at least ten feet away from the buildings, except in paved areas, which can be sloped at a gradient of two percent. Footing drains should be installed around the building perimeters, at or just below the invert of the footing, with a gradient sufficient to initiate flow. A typical detail is provided on Plate 3. Earth Consuhants, Inc. GEOTECHNICAL ENGINEERIN( TUDY Blackriver-Rivertech LLC c/o Alper Northwest E-1990-20 November 3, 1999 Page 9 Under no circumstances should roof downspout drain lines be connected to the footing drain system. Roof downspouts must be separately tightlined to discharge. Cleanouts should be installed at strategic locations to allow for periodic maintenance of the footing drain and downspout tightline systems. Utility Support and Backfill Based on the soil conditions encountered, the soils expected to be exposed by utility excavations should provide adequate support for utilities provided excavations are limited to eight feet. Utility trench backfill is a primary concern in reducing the potential for settlement along utility alignments, particularly in pavement areas. It is important that each section of utility line be adequately supported in the bedding material. The material should be hand tamped to ensure support is provided around the pipe haunches. Fill should be carefully placed and hand tamped to about twelve inches above the crown of the pipe before heavy compaction equipment is brought into use. The remainder of the trench backfill should be placed in lifts having a loose thickness of less than twelve inches. A typical trench backfill section and compaction requirements for load supporting and non-load supporting areas is presented on Plate 4. Pavement Areas The adequacy of site pavements is related in part to the condition of the underlying subgrade. To provide a properly prepared subgrade for pavements, the subgrade should be treated and prepared as described in the Site Preparation and General Earthwork section of this report. This means at least the top twelve (12) inches of the subgrade should be compacted to 95 percent of the maximum dry density (per ASTM D-1557-91 ). It is possible that some localized areas of soft, wet or unstable subgrade may still exist after this process. Therefore, a greater thickness of structural fill or crushed rock may be needed to stabilize these localized areas. The following pavement section for lightly-loaded areas can be used: • Two inches of asphalt concrete (AC) over four inches of crushed rock base (CRB) material, or • Two inches of AC over three inches of asphalt treated base (ATB) material. Earth Consultants, Inc. GEO-TECHNICAL ENGINEERIN( rUDY Blackriver-Rivertech LLC c/o Alper Northwest E-1990-20 November 3, 1999 Page 10 Heavier truck-traffic areas will require thicker sections depending upon site usage, pavement life and site traffic. As a general rule, the following sections can be considered for truck- trafficked areas: • Three inches of AC over six inches of CRB, or • Three inches of AC over four and one-half inches of ATB. We will be pleased to assist in developing appropriate pavement sections for heavy traffic zones, if needed. Pavement materials should conform to WSDOT specifications. The use of a Class B asphalt mix is suggested. LIMITATIONS Our recommendations and conclusions are based on the site materials observed, selective laboratory testing and engineering analyses, the design information provided us, and our experience and engineering judgement. The conclusions and recommendations are professional opinions derived in a manner consistent with that level of care and skill ordinarily exercised by other members of the profession currently practicing under similar conditions in this area. No warranty is expressed or implied. The recommendations submitted in this report are based upon the data obtained from the test pits. Soil and groundwater conditions between test pits may vary from those encountered. The nature and extent of variations between our exploratory locations may not become evident until construction. If variations do appear, ECI should be requested to reevaluate the recommendations of this report and to modify or verify them in writing prior to proceeding with the construction. Additional Services As the geotechnical engineer of record, ECI should be retained to perform a general review of the final design and specifications to verify that the earthwork and foundation recommendations have been properly interpreted and implemented in the design and in the construction specifications. ECI should also be retained to provide geotechnical services during construction. This is to observe compliance with the design concepts, specifications or recommendations and to allow design changes in the event subsurface conditions differ from those anticipated prior to the start of construction. We do not accept responsibility for the performance of the foundation or earthwork unless we are retained to review the construction drawings and specifications, and to provide construction observation and testing services. Earth Consultants, Inc. .I `2 (IQ 11•CT r�= ? ,.�I-- "l I lOf�7 �c? r,cn 1 ti e 11 1 ,, �I �Ow. j,rre •i;�arnl f c.21 11L / vS� ��-�! �� 4w :;nc 5 'r :tii-H Sr ��_ ' o, `� ltul ; v�:�fd q1 `mil _ N 3R � -a..�l - I JF� �' ` {S `,a RFNrCti `i ( j a r ;r�; a 3;n r ` I t r, ! -:� J .41/f'L'Rr i � 1 qL I I kr 'mac N AIR ORT WYw 1� s N �;e 132�1° ST y� rr fs r`--. ,._ .�--.— — — .._ r� ���� a` `! ' i7LLlCIM '__- t/" S' `'..`\o•�y l 9N o ST / - � TILL IC . ``\i, f o 1101 C' S ST �.f;� . ._ ��tOEIN $? ST T ''+f� $1 S O. I •;>, Fes-+ 51$ vEcTOR[ S„0 ar cS.r:.w 4r`R., \��`Pl. Q,�� r` Cc4T!! t 41�1v?IA �Sr. 70F cT REA70N z FAQ( s �� r �~ °'_ ST 1N _ 2No sr D jt^ 18 I - �t7: 7 '� Z'S ;Si is y y FJa�lh6rt;r,, 'C�'Nots�nA6'L !�i t IJJ e� wl ae; lo 4� FS Lj i- 4:1 CU`' -.�3A,41 -t• W r RO - 1.,--, S 1 d f Iln.sr � rr j rC'S � — / Ems.--� J _ Av �1 t u m� `;; t•fr�y'I l t'" t i 5 3q !4L: ; h-Jr? N.3 w SU1� . ( Z ; , `` STlSr^ 1� M1� I _� ' J, t,�� <�C1 tc Nj '' +, TCYA N 4ni /J/ TM ' ''_ - s'sr .r K? '7�F FREC I r2D�..,..-1 FA; ; 1 J Sr J sr), ., sh I e [ c,l ', v -, . I- ,..,� �.c,., MEYER Ssfi 81 \RENTCW y..,,,, lL �;$i w STH. 1! O Ga C 6j. RR .\A_ V c S?br VS .. Q l'H -SITE r ;-�--. ti _.� } b £x 9ys g. S ¢TN ST n f} 6}1 I N SW • 7TH '') _ ST d ' ' '7m w i H S' 4+ ( I o ¢M l� r"�n • , " Q . 1 C. ~. 1 YZ. PARK II t jr g a - , 1 I c%t R arm: �jn'� ►� U ce I.'� .� _, { �? SW IF S -�- -f i1E1ITON VILLAGE 1oz1 r z l 1 1 ST 401 W�r CEVTER i 1 rt`n S ru��— G�`'' 1.1111 'Y • YC'LICt4Y a 5 ROtTON VIIIAGE P��� t CD / .r •75 -' 1 . - �, INN rn -, . y� . ,- -��'i� fin, SIN.'n �ti 1 •---.--~rr@ ""� -� fi fuK ,r T' la,.��` 15Tti v, I . SW CI , �,x` ' s , l 6TH �C aST > h ST e I V"T G3 '16T11 .- ,� o.\ r S 16TH ST `�.. O II\ ' .‘ ea g „ .S.T.-;, -.,Ai t — 40 kisik,:. t<: 12�. �f r '----in f":. �' . z 1 �G 1 Qi- 0�-f. r-r-. " I S 18TH �� I r fir, cr rn t e rs.�w ^; SW 19TH ST �<19\✓ t j `r� {r� r 1 ti r I. I '-S 19TH 1 c' ST #lrlf WIT i/t?`.. •Eel: 4 hG� b1>rti Earth Consultants, Inc. Reference: Geotechnical Engineers.Geologists&Environmental Scientists Puget Sound (King)/Map 656 By Thomas Brothers Maps Vicinity Map Dated 2000 Blackriver Corporate Park Renton, Washington NOTE: This plate may contain areas of color. ECI cannot be responsible for any subsequent Drwn. GLS Date Oct. '99 Proj. No. 1990-20 misinterpretation of the information resulting Checked KMW Date 10/15/99 Plate 1 from black&white reproductions of this plate. , . .. ,1 / I / I / I / / / i I 1 / / 1 Approximate Scale / / , 0 80 160 320ft. / / / r Natural I- Area LEGEND IF 4? n TP-1 —11II—Approximate Location of ECI Test Pit, Proj. No. --rn, 4 q),trZ i^.1* Existing E-1990-20, Oct. 1999 .,--1 E,12;;-...7,„..1/ Drainage •-,5. i — ' Subject Site co 17--4 TP-2 P 1 i Proposed Building / Existing Wetland Area „,,, __ —r-v—,,t) .1.,--- - —11— , (per Referenced Plan) Limits of Existing Road .1., ;, - •,,,..4 / ,, 1 I J — i — ri POWELL /' -11 AVE. S.W. tWzr,. :g-1 Proposed Road / Parking , / / ., :4'1 tlaa.21.&''''...2 Areas Ti ,,y: I ,. I/ ,„/ . = / ,,:t, i / , L / ' — = -- / ; Reference: /— iL -7, •-•,_, i 7- Existing Sheet No. A-1 — I . Biofittration Job No. 99008 1 f Dr Swale ainage Site Plan & Site Section / Agoittind . By LPN Architects and Planners - Dated 7/29/99 I r -. I 1 nir.' de.1 ill Earth Consultants 41,10\iv Geoiechnical Engineers,Geologistsa Environment' a al Inc.Scienst NOTE:This plate may contain areas of color. Test Pit Location Plan EC cannot be responsible for any subsequent Blackriver Corporate Park misinterpretation of the information resulting from black&white reproductions of this plate. Renton, Washington Drwn. GLS Date Oct. '99 Proj. No. 1990-20 Checked KMW Date 10/15/99 Plate 2 Slope To Drain °� 6 inch min. o 0 0. .o ••••• -a':-'• ••••° °••°• 18 inch min. ,•:a :o. ,o• • o. . • o 4 inch min. = ° o ° - Diameter °': - o_° ° ° ° . Perforated Pipe—! - ' :;•:-a' +; ° � '• ° "•° Wrapped in Drainage o,• - °o ° °o ° Fabric ° °° °• - • } 2 inch min. 2 inch min. / 4 inch max. _ 12 inch min. SCHEMATIC ONLY - NOT TO SCALE NOT A CONSTRUCTION DRAWING LEGEND Surface seal; native soil or other low permeability material. Fine aggregate for Portland Cement Concrete; Section 9-03.1(2) of the WSDOT Specifications. O Drain pipe; perforated or slotted rigid PVC pipe laid with perforations or slots facing down;tight jointed;with a positive gradient. Do not use flexible corrugated plastic pipe. Do not tie building downspout drains into footing lines. Wrap with Mirafi 140 Filter Fabric or equivalent. p" iA TYPICAL FOOTING SUBDRAIN DETAIL Earth Consultants Inc. Blackriver Corporate Park Crotrchnical Engineers.Geologists 6 EnNtwnxntal Scientists Renton, Washington VUII�/! Pro'. No.1990-20 I Drwn. GLS I Date Oct. '99 Checked KMW IDate 10/15/99 I Plate 3 • Non-Load Supporting Floor Slab or Areas —� 4 Roadway Areas . 1 `t""t : ;%?*:r :l'si>:A A ° ° � ° o Varies . 85 A 95 1 Foot Minimum Backfill j 80 0 Varies T PIPE , : • A `•q o(f °Vo •o. o O o °cA `�y� Q Bedding po:o•o. ..°�°•• °:Qo..;o...•°.. C Varies �0.:•.00'00• 000.• 000 0 o••O.o:. -o.QO:o•:.°�•ntYQ.�oo� bR.o:•�Q�0O.o.: 6-°:••'O 9c o•o Oo,° a.0o'o0,:00;OO .doo°.4O�°Oo°O LEGEND: :iw-r,A1 Asphalt or Concrete Pavement or Concrete Floor Slab D 0• 0 O°'' . o, o •' Base Material or Base Rock . n Backfill; Compacted On-Site Soil or Imported Select Fill Material as Described in the Site Preparation of the General Earthwork Section of the Attached Report Text. 95 Minimum Percentage of Maximum Laboratory Dry Density as Determined by ASTM Test Method D 1557-78 (Modified Proctor), Unless Otherwise Specified in the Attached Report Text. N.• .o,,,".(. Bedding Material; Material Type Depends on Type of Pipe and " aou � Recommendations for the Laying dType Bedding Should Pipe dConform Seectedthe Manufacturers °' TYPICAL UTILITY TRENCH FILL 1��� —\ Earth Consultants Inc. Blackriver Corporate Park / I GrarcfinKal 6atnrr•r5.C.vkKiuv S F'troircrrnwrval ti[irniitiLc Renton, Washington Proj. No. 1990-20 1 Drwn. GLS 1 Date Oct. '99 Checked KMW Date 10/15/99 1 Plate 4 APPENDIX A FIELD EXPLORATION E-1990-20 Our field exploration was performed on October 12, 1999. Subsurface conditions at the site were explored by excavating four test pits to a maximum depth of twelve (12) feet below the existing grade. The test pits were excavated by Five Ball Construction subcontracted to ECI, using a track mounted excavator. Approximate test pit locations were determined by pacing from site features. The locations of the test pits should be considered accurate only to the degree implied by the method used. These approximate locations are shown on the Test Pit Location Plan, Plate 2. The field exploration was continuously monitored by a engineer from our firm who classified the soils encountered, maintained a log of each test pit, obtained representative samples, measured groundwater levels, and observed pertinent site features. Samples were visually classified in accordance with the Unified Soil Classification System which is presented on Plate Al , Legend. Representative soil samples were placed in closed containers and returned to our laboratory for further examination and testing. Test Pit Logs are presented on Plates A2 through A5. The final logs represent our interpretations of the field logs and the results of the laboratory tests of field samples. The stratification lines on the logs represent the approximate boundaries between soil types. In actuality, the transitions may be more gradual. The consistency of the soil shown on the logs was estimated based on the effort required to excavate the soil, the stability of the trench walls, and other factors. Earth Consultants, Inc. MAJOR DIVISIONS GRAPH LETTER TYPICAL DESCRIPTION SYMBOL SYMBOL b d (221C GW Well-Graded Gravels, Gravel-Sand Gravel ° d o O e Q e gw Mixtures, Little Or No Fines And Clean Gravels n el n Gravelly (little or no fines) illi M r 4 Gp Poorly-Graded Gravels.Gravel- Coarse Soils I • I • I i gp Sand Mixtures, Little Or No Fines Grained Soils More Than 1°1I r l 1 l M l G g Silty Gravels,Gravel-Sand- 50% Coarse Gravels With m Silt Mixtures Fraction Fines(appreciable Retained On amount of fines) ri GCClayey Gravels,Gravel-Sand- No. 4 Sieve gc Clay Mixtures •o eo 'a SW Well-Graded Sands, Gravelly Andd 0 e SW Sands, Little Or No Fines Clean Sand o c c c Sandy (little or no fines) d::;i l-: ;* « More Than ix;;'''» ;:;l SP Poorly-Graded Sands, Gravelly Soils e;%%s?>Q>c e::>:::>:;: 50% Material .s....::.;•;Sf::>s Sp Sands, Little Or No Fines Larger Than More Than Silty Sands, Sand Silt Mixtures No.200 Sieve 50% Coarse Sands Withi II SM Sm Size Fraction Fines(appreciable % ` / Passing No.4 if":'::`..;'..>'.i"s:. amount of fines) SC Clayey Sands, Sand-Clay Mixtures Sieve � SC 111 ML Inorganic S &Ve Sa Roour,Silty- ml Clayey Fine Sands;ilts Clayeyry Fine Silts nds.wl Slightck Fl Plasticity Fine Silts Inorganic Clays Of Low To Medium Plasticity, Liquid Limit �� CL Grained And Less Than 50 j Cl Gravelly Clays, Sandy Clays, Silty Clays, Lean Soils Clays Organic Silts And Organic I I I I I i I I l OL of Silty Clays Of Low Plasticity j I MH mh InorganicSandOr SiltsSilty,MicaceousSoils Or Diatomaceous Fine More Than 50% Material Silts Liquid Limit CII Inorgarwc Clays Of High Smaller Than And No.200 Sieve Clays Greater Than 50 4 Ch Plasticity, Fat Clays Size OH Organic Clays Of Medium To High /#o Oh Plasticty, Organic Silts -- 1'22 ' I pi- Peat, Humus, Swamp Soils Highly Organic Soils ^ `\r `i r `r pt With High Organic Contents Topsoil 1/4,4,4, Humus And Duff Layer si •••�•�•• • •• Highly Variable Constituents Fill •��������• The discussion in the text of this report is necessary for a proper understanding of the nature of the material presented in the attached logs. DUAL SYMBOLS we used to lndicata borderline soil classification. C TORVANE READING,tsf I 2'O.D. SPLIT SPOON SAMPLER qu PENETROMETER READING,tsf W MOISTURE,%dry weight 11 24' I.D. RING OR SHELBY TUBE SAMPLER P SAMPLER PUSHED * SAMPLE NOT RECOVERED i WATER OBSERVATION WELL pcf DRY DENSITY,lbs. per cubic ft. LL LIQUID LIMIT, % 2 DEPTH OF ENCOUNTERED GROUNDWATER PI PLASTIC INDEX DURING EXCAVATION 1 SUBSEQUENT GROUNDWATER LEVEL W/DATE (Hiyrth Consultants Inc. LEGEND\ I i Al) <„,..\Iu,,,,,, llgi,wets,GVhigils&19n•ir.until ll.li SA NU llplp Proj. No1990-21 Date Oct. '99 'Plate Al • Test Pit Log ` Project Name: Sheet of Blackriver Corporate Park 1 1 Job No. Logged by: Date: Test Pit No.: 1990-20 KMW 10/12/99 TP-1 Excavation Contactor: Ground Surface Elevation: Five Ball Notes: t w N Surface Conditions: Depth of Topsoil 4" General W c) Notes (%) a " N SM Brown silty SAND, medium dense, moist 17.0 2 -30%fines ML Reddish brown SILT, medium dense, moist 4 46.1 5 6 ML Gray sandy SILT, loose,wet 35.2 8 -caving 9 SP Gray poorly graded SAND with gravel, medium dense,water bearing 0 0 10 Test pit terminated at 10.0 feet below existing grade. Rapid groundwater seepage encountered at 8.0 feet during excavation. rn 0 a 0 W a- a "I' ENV Test Pit Log Earth Consultants Inc Blackriver Corporate Park ►�� ar.y‘nlcalFl‘glnms.Gc4osIN54FnNrontl vr,�ISYrrvIs's Renton,Washington -1 111 Proj. No. 1990-20 Dwn. GLS Date Oct.'99 Checked KMW Date 10/25/99 Plate A2 Subsurface conditions depicted represent our observations at the time and location of this exploratory hole,modified by engineering tests,analysis and judgment. They are not necessarily representative of other times and locations.We cannot accept responsibility for the use or interpretation by others of information presented on this log. • Test Pit Log Project Name: Sheet of Blackriver Corporate Park 1 1 Job No. Logged by: Date: Test Pit No.: 1990-20 KMW 10/12/99 TP-2 . Excavation Contactor: Ground Surface Elevation: Five Ball Notes: Surface Conditions: Depth of Toposil 4" 75 General W lc a . a o 'a Notes (%) c, � a g D N ML Brown sandy SILT, medium dense, moist 1 2 40.3 3 MUSM Interbedded reddish brown SILT,sandy SILT and silty fine SAND, medium dense, moist 4 29.3 5 6 7 8 9 SM Gray silty SAND, loose,wet 10 -caving • SP Reddish brown poorly graded GRAVEL with sand, medium dense, 7 6 °° water bearing o ° 12 Test pit terminated at 12.5 feet below existing grade. Rapid groundwater seepage encountered at 1.0 feet during excavation. g0 I- a a U w 0. a. c0 ci ,gi •a* 411‘ Test Pit Log 1� [a� Earth Consultants Inc. Blackriver Corporate Park I /\ i CctxaYurk:alFn kra m tcy glIle,'7.CcosrshEnvIrcwmaltii7rnrlsrS Renton,Washington I— a 2 Proj.No. 1990-20 Dwn. GLS Date Oct.'99 Checked KMW Date 10/25/99 I Plate A3 Subsurface conditions depicted represent our observations at the time and location of this exploratory hole,modified by engineering tests,analysis and judgment. They are not necessarily representative of other times and locations.We cannot accept responsibility for the use or interpretation by others of information presented on this log. Test Pit Log - - Project Name: Sheet of Blackriver Corporate Park _ 1 1 Job No. Logged by: Date: Test Pit No.: 1990-20 KMW 10/12/99 TP-3 Excavation Contactor: Ground Surface Elevation: _ Five Ball Notes: General W o L �, N -5Surface Conditions: Depth of Topsoil 4" Notes (%) e; p " N ML Brown sandy SILT, medium dense, moist 39.6 2 _'-.— 3 SM/ML Interbedded brown silty fine SAND and sandy SILT, medium dense, moist 4 23.9 5 6 -43%fines 7 -caving s8 • SP Gray poorly graded SAND, medium dense,water bearing O 0 9 ° O ° O 0 O 34.6 '° °, ° 10 -grades with gravel • 0 Test pit terminated at 11.0 feet below existing grade. Rapid groundwater seepage encountered at 10.0 feet during excavation. 0 0 0 W 0 c� <<,P Mr. 44 Test Pit Log ����`��`A.` Earth Consultants Inc. Blackriver Corporate Park Gcof,,-t Kal FngRirrs.C,-!* lsrs&El IVIr01111telval Set'' ' Renton,Washington Proj.No. 1990-20 Dwn. GLS Date Oct.'99 Checked KMW Date 10/25/99 Plate A 4 Subsurface conditions depicted represent our observations at the time and location of this exploratory hole,modified by engineering tests,analysis and judgment. They are not necessarily representative of other times and locations.We cannot accept responsibility for the use or interpretation by others of Information presented on this log. Test Pit Log _ - Project Name: Sheet of Blackriver Corporate Park 1 1 Job No. Logged by: Date: Test Pit No.: 1990-20 KMW 10/12/99 TP-4 Excavation Contactor Ground Surface Elevation: _ Five Ball Notes: Surface Conditions: Depth of Topsoil 4" U O t d N O W General a a . a U Notes (%) ° T a " I T 0 co ML Brown SILT, medium dense, moist 2 31.6 3 4 5 6 SM Reddish brown silty SAND, loose, moist 11.1 8 9 -severe caving a a� 10 SP Gray poorly graded SAND, medium dense,water bearing 0 28.6 °0 4 a c� o 0 12 Test pit terminated at 12.0 feet below existing grade. Groundwater seepage encountered at 11.0 feet during excavation. 0 a 0 0 C U W C- a v ji .pk, 441% Test Pit Log !--ry Earth Consultants Inc. Blackriver Corporate Park 2 '�/ 10 k c,-ant C,o4osl,rs&F„v, ,,,.�„r.,lS,i,,,,n.,.S Renton, Washington a Proj.No. 1990-20 Own. GLS Date Oct. '99 Checked KMW Date 10/25/99 Plate A5 Subsurface conditions depicted represent our observations at the time and location of this exploratory hole,modified by engineering tests,analysis and judgment. They are not necessarily representative of other times and locations.We cannot accept responsibility for the use or interpretation by others of information presented on this log. APPENDIX B LABORATORY TEST RESULTS E-1 990-20 Earth Consultants, Inc. SIEVE ANALYSIS HYDROMETER ANALYSIS O. SIZE OF OPENING IN INCHES I NUMBER OF MESH PER INCH, U.S.STANDARD GRAIN SIZE IN MM O �' c� .N � O 0 (D d M N O O 0 0 O O v N m o 0 coO O O 00 00 O _ „ O 00 0 3. 0 O 0 0 O O z -_- (D d M N M ,n el N M d (fl(D CO N ° 10 N °° — — _ -- 0 1.11.1 ID cmj .� 80 20 P Tn- �� m rn r m 70 —M - . 30 n r s O --I-I m _ z n so n0 —4 -- `—,. Z o MIEMMOMMIMIMINIM— 'm 0 50 ——-— - - . 50 73 rn o MINNOMMOMMENMNIMMMKT DJ �_ no 60 r { m co .‹ n 0 •D 30 ,! 70 m 'JD _ I 20 — --- — — ao O a 10 90 td H-, — :2 RW -- - — ( I 11TTTi — ■■ • — I I l 1 I 1— —T II I I 10° • a) °O O a:. O O O O 0 CD CO CD V Cl N .-- CO. CD sr Cl N r CO (D V Cl N CO CD V Cl N �� 0 rt• H. O 0 CO CD V Cl N (-• ' 0 O 0 O 0 O O O 00 0 O H. y N v- GRAIN SIZE IN MILLIMETERS ' ' ' • ' • 0 0 0 0 O 0 0 • co Z OD H COARSE I FINE COARSE I MEDIUM I FINE (D COBBLES GRAVEL SAND FINES • o N 0 m him �" z KEY Boring or DEPTH USCS DESCRIPTION Moisture pp P.) D Test Pit No. (ft.) Content (%) LL PL rr rt r' cn ^.....-1 7 • -0 Dacmn TP-1 2 SM Brown silty SAND 17.0 --- -- x CD p--- TP-3 4 SM Brown silty SAND 23.9 --- --- DISTRIBUTION E-1990-20 4 Copies Blackriver-Rivertech LLC c/o Alper Northwest 700 Fifth Avenue, Suite 6000 Seattle, Washington 98104 Attention: Mr. Dean Erickson 2 Copies LPN Architecture and Planning 1535 Fourth Avenue South, Suite D Seattle, Washington 98134 Attention: Mr. Royce Berg Earth Consultants, Inc. A4)14-A-1-, BLACKRIVER-RIVERTECH L.L.C. r45 September 13, 1999 Mr. Royce Berg Delivered via Courier LPN Architects and Planning, Inc. 1535 —4ch Avenue South, Suite D Seattle, WA 98134 RE: Rivertech- Commitment for Title Insurance Dear Royce: Enclosed please find a copy of Transnations' Commitment for Title Insurance for Rivertech effective August 27, 1999. If you have any questions don't hesitate to give me a call. Very truly yours, BLACKRIVER-RIVERTECH L.L.C. DEVELOPMENT PLANNING By: Blackriver Holdings, Inc. CITY OF RENTON Manager CSEP1 6 1999 �,u,c G�,, RECEIVE[) Dean R. Erickson t fro) Vice President DRE:jmq Encl. 1p:gliawqs .. SEP 1 3 1999 LPN Architects & Planners 700 FIFTH AVENUE, STE. 6000, SEATTLE, WA 98104, PHONE (206) 624-9223, FAX (206) 382-9752 ,.1 • CI ft ISSUED BY • TRANSNATION Trn.s INsuRANcE COMPANY COMMITMENT FOR TITLE INSURANCE , Transnation ,.j A LANDAMERJG COMPANY Z.1.. SEP 1 0 1999 F�y _ I.. f_ Transnation Title Insurance Company, an Arizona Corporation, herein called the Company, for a i,> valuable consideration, hereby commits to issue its policy or policies of title insurance, as identified in 4 _`' Schedule A, in favor of the proposed insured named in Schedule A, as owner or mortgagee of the estate _ •_• or interest covered hereby in the land described or referred to in Schedule A, upon payment of the << premiums and charges therefor; all subject to the exceptions and conditions and stipulations shown 14 herein, the Exclusions from Coverage, the Schedule B exceptions, and the conditions and stipulations . of the policy or policies requested. (See reverse side of this cover and inside of back cover for printed Exclusions from Coverage and Schedule B exceptions contained in various policy forms.) 4:_ This Commitment shall be effective only when the identity of the proposed Insured and the amount of the policy or policies committed for have been inserted in Schedule A hereof by the Company, .1, either at the time of the issuance of this Commitment or by subsequent endorsements and is : t- subject to the Conditions and Stipulations on the back of this cover. This Commitment is preliminary to the issuance of such policy or policies of title insurance and all . ; Ir - liability and obligations hereunder shall cease and terminate six months after the effective date hereof or when the policy or policies committed for shall issue, whichever first occurs, provided _ r -' that the failure to issue such policy or policies is not the fault of the Company. '-;- IN WITNESS WHEREOF, TRANSNATION TITLE INSURANCE COMPANY has caused its corporate name and seal to be hereunto affixed by its duly authorized officers on the date shown in Schedule A. • NOTE:THE POLICY COMMITTED FOR MAY BE EXAMINED BY INQUIRY AT THE OFFICE ii. WHICH ISSUED THE COMMITMENT,AND A SPECIMEN COPY OF THE POLICY FORM . - (OR FORMS) REFERRED TO IN THIS COMMITMENT WILL BE FURNISHED .. PROMPTLY UPON REQUEST. 4.1 v 1,\ kt- TRANSNATION TITLE INSURANCE COMPANY `: 1 t7,-gnaw) 11 , 0���11E IHS(/Pgy� By: U/ -/ (.( ��i zoco..0....,0 , (/ President SEP 1 3 1999 = s' d SEPT 16,I ' 20, ,-* * Attest: / . /moo- /J. ' /- PeA4,: 4. 4RII0NA �r �'✓ (�"Zaeaw a�C LPN Architects & Planners • Secretary Commitment-WA Cover Form 1004-252 (3-93) TRANSNATION TITLE INSURANCE COMPANY 14450 N.E. 29TH PLACE BELLEVUE, WA 98007 Prepared for: Transnation No. 868802 Customer Reference : ALPER NORTHWEST, INC Escrow No. Seller Black River 700 5TH AVE #6000 Buyer/Borrower --- SEATTLE, WA 98104 ---� ^ Attn: DEAN ERICKSON By V � L� For service on this order call : (425) 646-8589/1-800-441-7701 JOHN W. JONES, MARK S. NIKLASON CLAUDIA D. RELLIER or J. JAY PUGH (FAX # (425) 646-8593) SCHEDULE A EFFECTIVE DATE: August 27, 1999 at 8 : 00 A.M. 1 . Policy or policies to be issued: Amount ALTA Owner' s Policy TO BE DETERMINED Premium (SEE NOTE 1) Standard Policy Tax Proposed Insured: TO BE DETERMINED (SEE NOTE 4) ALTA Loan Policy TO BE DETERMINED Premium (SEE NOTE 1) Extended Policy Tax Proposed Insured: TO BE DETERMINED 2 . Title to fee simple estate or interest in said land is at the effective date hereof vested in: BLACKRIVER-RIVERTECH L.L. C. , A WASHINGTON LIMITED LIABILITY COMPANY (SEE NOTE 2 AND 3) 3 . The land referred to in this commitment is described as follows : See "LEGAL DESCRIPTION: " • Order No. 868802 LEGAL DESCRIPTION: THAT PORTION OF THE SOUTHEAST 1/4 OF SECTION 13 , TOWNSHIP 23 NORTH, RANGE 4 EAST W.M. AND THE SOUTHWEST 1/4 OF SECTION 18 , TOWNSHIP 23 NORTH, RANGE 5 EAST W.M. , DESCRIBED AS FOLLOWS : BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST 1/4 WITH THE NORTH LINE OF THE SOUTH 650 . 00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER, AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; THENCE NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 1099 . 78 FEET; THENCE NORTH 01 DEGREES 45 MINUTES 00 SECONDS EAST 418 . 89 FEET TO A POINT ON THE SOUTHERLY LINE OF THE CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT-OF-WAY SAID POINT BEING ON A CURVE WITH A RADIUS OF 1005 . 37 FEET, THE RADIUS OF WHICH BEARS NORTH 38 DEGREES 15 MINUTES 05 SECONDS EAST; THENCE SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346 .30 FEET; THENCE SOUTH 71 DEGREES 29 MINUTES 03 SECONDS EAST ALONG SAID SOUTHERLY LINE 912 . 08 FEET TO THE NORTH LINE OF THE SOUTH 650 . 00 FEET OF THE SOUTHWEST 1/4 OF THE SOUTHWEST 1/4 OF SAID SECTION 18 ; THENCE NORTH 89 DEGREES 10 MINUTES 25 SECONDS WEST ALONG SAID NORTH LINE 81 . 57 FEET TO THE POINT OF BEGINNING; SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON. Page 2 • Order No. 868802 • SCHEDULE B REQUIREMENTS . Instruments necessary to create the estate or interest to be insured must be properly executed, delivered and duly filed for record. EXCEPTIONS . Schedule B of the policy or policies to be issued will contain exceptions to the following matters unless the same are disposed of to the satisfaction of the Company. A. Defects, liens, encumbrances, adverse claims or other matters, if any, created, first appearing in the public records or attaching subsequent to the effective date hereof but prior to the date the proposed Insured acquires for value of record the estate or interest or mortgage thereon covered by this Commitment . B . Standard exceptions set forth in inside of back cover. C. Special exceptions: 1 . Real Estate Excise Tax pursuant to the authority of RCW Chapter 82 . 45 and subsequent amendments thereto. As of the date herein, the tax rate for said property is . 0178 . 2 . GENERAL PROPERTY TAXES and SERVICE CHARGES, as follows, together with interest, penalty and statutory foreclosure costs, if any, after delinquency: (1st half delinquent, May 1; 2nd half delinquent, November 1) Tax Account No. Year Billed Paid Balance 132304-9086-02 1999 $10, 323 . 00 $ 5, 161.50 $ 5, 161 . 50 Total amount due, not including interest and penalty: $5, 161 . 50 Levy Code : 2110 Assessed Value Land: $770, 000 . 00 Assessed Value Improvements : $ 0 . 00 3 . NOTICE OF TAP OR CONNECTION CHARGES WHICH HAVE BEEN OR WILL BE DUE IN CONNECTION WITH DEVELOPMENT OR RE-DEVELOPMENT OF THE LAND AS DISCLOSED BY RECORDED INSTRUMENT. INQUIRIES REGARDING THE SPECIFIC AMOUNT OF THE CHARGES SHOULD BE MADE TO THE CITY/COUNTY/AGENCY. CITY/COUNTY/AGENCY: City of Renton RECORDED: April 9, 1984 RECORDING NO. : 8404090606 (Covers property herein described and other property) Page 3 Order No. 868802 4 . EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: Olympic Pipe Line Company, a Delaware corporation PURPOSE : Pipeline or pipelines AREA AFFECTED: The Westerly 30 feet of that portion of property herein described lying within Section 18 DATED: --- RECORDED: August 20, 1981 RECORDING NO. : 8108200425 5 . EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: City of Renton, a municipal corporation PURPOSE : Storm sewer drainage ditch AREA AFFECTED: Southeasterly portion as described therein DATED: September 4, 1987 RECORDED: November 2, 1987 RECORDING NO. : 8711020435 6 . EASEMENT AND THE TERMS AND CONDITIONS THEREOF: DISCLOSED BY: Instrument recorded under Recording No. 8811151496 PURPOSE: Temporary, non-exclusive easement and right-of-way over, across, along, in, upon and under property herein described for the purposes of ingress and egress to other property and for the further purposes of extending, constructing, installing, operating, maintaining, repairing and replacing a temporary gravel road AREA AFFECTED: A 15 foot wide strip of property located along and measured North from the Southern Boundary of property herein described and begins at that point on the Southern boundary of property herein described at which Powell Avenue touches property herein described and extends Westerly from that point to the Western boundary of property herein described Page 4 Order No. 868802 7 . EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: The City of Renton PURPOSE: Water and sewer AREA AFFECTED: As described in and shown on the attached exhibits to said document DATED: June 5, 1989 RECORDED: December 6, 1990 RECORDING NO. : 9012061032 8 . EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: First City Washington, Inc. , a Washington corporation PURPOSE: Pedestrian and vehicular ingress and egress, and further for the purposes of constructing, maintaining, repairing and replacing roadways within the easement property AREA AFFECTED: As described therein DATED : October 25, 1994 RECORDED: October 25, 1994 RECORDING NO. : 9410251098 Said easement purports to amend and restate easement recorded under Recording No. 9102190835 . 9 . Covenant and hold harmless agreements contained in deed recorded under Recording No. 8906281378 10 . AGREEMENT AND THE TERMS AND CONDITIONS THEREOF: RECORDED: October 25 , 1994 RECORDING NO. : 9410251099 REGARDING: Access to utilities 11 . EASEMENT AND THE TERMS AND CONDITIONS THEREOF: PURPOSE: Drainage ditch AREA AFFECTED: As described therein RECORDING NO. : 9410251100 12 . DEED OF TRUST AND THE TERMS AND CONDITIONS THEREOF: GRANTOR: Rivertech Associates Limited Partnership, a Washington limited partnership TRUSTEE: Transamerica Title Insurance Company BENEFICIARY: First City Washington, Inc. ADDRESS : --- LOAN NO. : --- ORIGINAL AMOUNT: $1, 061, 775 . 00 DATED: June, 1989 RECORDED: June 28 , 1989 RECORDING NO. : 8906281379 Page 5 . Order No. 868802 THE BENEFICIARY' S INTEREST IN THE ABOVE DEED OF TRUST MAY BE MERGED WITH THE LEGAL TITLE TO THE LAND. ANY SUCH MERGER SHOULD BE EVIDENCED BY A RECONVEYANCE OF THE DEED OF TRUST. Investigation should be made to determine the present balance owing with the appropriate lender/agency/individual . 13 . MATTERS RELATING TO THE QUESTIONS OF SURVEY, RIGHT OF PARTIES IN POSSESSION, AND UNRECORDED LIEN RIGHTS FOR LABOR AND MATERIAL, IF ANY, THE DISPOSITION OF WHICH WILL BE FURNISHED BY SUPPLEMENTAL REPORT. NOTE 1: The Company has been asked to issue simultaneous policies without disclosure of the liability amounts . This commitment shall be effective only when the amounts of the owner' s and lender' s policies committed for have been inserted in Schedule A hereof . The forthcoming owner' s policy must be issued in an amount at least equal to the full value of the estate insured in accordance with our rating schedule on file in the office of the Washington State Insurance Commissioner. The Company may have further requirements if the undisclosed amount to be insured exceeds the current assessed valuation. NOTE 2 : We are informed that Blackriver-Rivertech L.L.C. is a Limited Liability Company (LLC) . A copy of the duplicate original of the filed LLC Certificate of Formation, the LLC agreement, and all subsequent modifications or amendments must be submitted to the Company for review. NOTE 3 : Any conveyance or mortgage by Blackriver-Rivertech L.L. C, a Limited Liability Company (LLC) , must be executed by all the members and their respective spouses, or evidence submitted that certain designated members or managers have been authorized to act for the Limited Liability Company. NOTE 4 : Title will be vested in parties yet undisclosed. When title is vested, their title will be subject to matters of record against their names . END OF EXCEPTIONS Investigation should be made to determine if there are any service, installation, maintenance or construction charges for sewer, water, or electricity. In the event this transaction fails to close, a cancellation fee will be charged for services rendered in accordance with our rate schedule . Page 6 I Order No. 868802 CC/erl ENCLOSURES : Sketch Vesting deed All recorded encumbrances Page 7 l , 4.,.7b... . ... .,,,, 4 0' CO 'r S Ty.. . as_. �1 u �} .., to ....,. . ..,...,„"ii. .....-.0.7_ i ,. siffifilly N .,. Nff tri.Jer ...,,,,,,, ., '+ �`G '��"" 4...,. -*" .--1.1,---,. Zs ,..... ki ' .:Pp ..........\,...... • nr' .4" « S IY ita ... . f Poeirc ��4�--� +� 6 TLC '� c 44 �i G .\ P • -- ti•t f,'' : et* ;. .4/ y. V (AL,) T..••••.••.•.a 4.I• `.. .. -0%a �' ��Sr CwOr/KR /r.4 W••• •�~ , , �7i. �•�r�•►�••t�V. Ro. re• 4 ' ��` ‘,.. • • I) I.: s 0 C . f� M 4.-,f.• e/ `�� ��. /aft.s• ia77.76 -2-2� � a.Rr ��► i�� � PO This sketch is provided, without charge, for your information. It is not intended to show all matters related to the property including, but not limited to, area, dimensions, easements, en- croachments, or location of boundaries. It is not a part of, nor does it modify, the commitment or policy to which it is attached. The Company assumes NO LIABILITY for any matter related to this sketch. References should be made to an accurate survey for further information. CLTA 4NDARD COVERAGE LOAN POLICY The following matters are expressly excluded from the coverage of this policy and the Company will not pay loss or damage,costs,attorneys'fees or expenses which anse by reason of: 1. (a)Any law,ordinance or governmental regulation(including but not limited to building or zoning laws,ordinances,or regulations) restricting,regulating,prohibiting or relating to(i)the. ` occupancy,use;or enjoyment of the land;(ii)the character,dimensions or location of any improvement now or hereafter erected on the land;(iii)a separation in ownership or a change in the dimensions or area of the land or any parcel of which the land is or was a part or(iv)environmental protection,or the effect of any violation of these laws,ordinances or governmental • regulations,except to the extent that a notice of the enforcement thereof or a notice of a defect,lien or encumbrance resulting from a violation or alleged violation affecting the land has been recorded in the public records at Date of Policy. (b)Any governn,rrtal police power not excluded by(a)above,except to the extent that a notice of the exercise thereof or a notice of a defect,lien or encumbrance resulting from a violation or alleged violation affecting the land has been recorded in the public cords at Date of Policy. 2 Rights of eminent domain unless notice of the exercise thereof has been!monied in the public records at Date of Policy,but not excluding from coverage any taking which has cr.-limed prior to Date of Policy which would be binding on the rights of a purchaser for value without knowledge. 3. Defects,liens,encumbrances,adverse claims or other matters: (a)whether or not recorded in the public records at Date of Policy,but created,suffered,aspuned or agreed to by the insured claimant; (b)not known to the Company,not recorded in the public records at Date of Policy,but known to the insured claimant and not disclosed in writing to the Company by the insured claimant prior to the date the insured claimant became an insured under this policy; (c)resulting in no loss or damage to the insured claimant: (d)attaching or created subsequent to Date of Policy;or h (e)resulting in loss or damage which would not have been sustained if the insured claimant had paid value for the insured mortgage or for the estate or interest insured by this policy. 4. Unertforseabdity of the lien of the insured mortgage because of the inability or failure of the insured at Date of Policy,or the inability or failure of any subsequent owner of the indebtedness,to comply with the applicable doing business laws of the state in which the land is situated. 5. Invalirity or tnertforceability of the lien of the insured mortgage,or claim thereof,which arises out of the transaction evidenced by the insured mortgage and is based upon usury or arty consumer credit protection or truth in lending law. 6. My claim,which arises out of the transaction vesting in the insured the estate or interest insured by this policy or the transaction creating the interest of the insured lender,by reason of the • ; operation of fm leraI bankruptcy,state insolvency or similar creditors'rights laws. AMERICAN LAND TITLE ASSOCIATION OWNER'S POLICY(10-17-92) and AMERICAN LAND TITLE ASSOCIATION LEASEHOLD OWNER'S POLICY(10-17-92) - The fc& irg matters are expressly excluded from the coverage of this and the Company will not pay loss or try damage,costs,attorneys'fees or expenses which arise by reason of: 1. (a)Any law,ordinance or govemn,e„tdi regulation(including but not limited to building and zoning laws,ordinances,or regulations)restricting,regulating,prohibiting or relating to(i)the • occupancy,use,or enjoyment of the land;(ii)the character,dimensions or location of any improvement now or hereafter erected on the land;(iii)a separation in ownership or a change in the • drnersions or area of the land or any parcel of which the land is or was a part or(iv)environmental protection,or the affect of any violation of these laws,ordinances or governmental regulations,except to the extent that a notice of the enforcement thereof or a notice of a defect,lien or encumbrance resulting from a violation or alleged violation affecting the land has been recorded in the public imu,r cis at Date of Policy.(b)Any governmental police power not excluded by(a)above,except to the extent that a notice of the exercise thereof or a notice of a defect, lien or encumbrance resulting from a violation or alleged violation affecting the land has been recorded in the public records at Date of Policy. • 2. Rights of eminent domain unless notice of the exercise thereof has been recorded in the public records at Date of Policy,but not excludingfrom coverag e any taking which has occurred prior >rv" . to Date of Policy which would be binding on the rights of a purchaser for value without knowledge. 3. Defects,liens,encumbrances,adverse claims or other matters: *' -- (a)created,suffered,assumed or agreed to by the insured claimant; (b)not known to the Company,not recorded in the public records at Date of Policy,but known to the insured claimant and not disclosed in writing to the Company by the insured claimant prior to the date the insured claimant became an insured under this policy; (c)resulting in no loss or damage to the s 3,• insured claimant (d)attaching or created subsequent to Date of Policy;or (e)resulting in loss or damage which would not have been sustained if the insured claimant had paid value for the •': estate or interest insured by this policy. .`.. 4. Any claim,which arises out of the transaction vesting in the Insured the estate or interest insured by this policy,by reason of the operation of federal bankruptcy,state insolvency,or similar umcitus'riga its laws,that is based on: / (a)the transaction creating the estate or Merest insured by this policy being deemed a fraudulent conveyance or fraudulent transfer,or (b)the transaction creating the estate or interest insured by this policy being deemed a preferential transfer except where the preferential transfer results from the failure: =`: (I)to timely record the instrument of transfer,or (`)of such recordation to impart notice to a purchaser for value or a judgment or lien creditor. SCHEDULE B STANDARD EXCEPTIONS SCHEDULE B EXCEPTIONS APPEARING IN ALTA OWNER'S POLICY-STANDARD COVERAGE AND CLTA STANDARD COVERAGE LOAN POLICY 1. Taxes or assessments which are not now payable or which are not shown as existing liens by the records of any taxing authority that levies taxes or assessments on real property or by the public records:proceedings by a public agency which may result in taxes or assessments,or rrt,t;urs of such proceedings,whether or not shown by the records of such agency or by the puotic records. ` 2 Any fads, rights.intern,ts or claims which are not shown by the public records but which could be ascertained by an inspection of the land or which may be asserted by persons in possession,or claiming to be in possession thereof. 3. Easements,liens or encumbrances,or claims thereof,which are not shown by the public records. • 4. Discrepancies,conflicts in boundary lines,shortage in area,encroachments,or any other facts which a correct survey of the land would disclose,and which ale not shown by the public 5. Any lien,or right to a lien,for labor,material,services or equipment or for contributions to employee benefit plans,or liens under wodvnen's compensation acts,not disclosed by the public records. 6. (a)Unpatented mining claims;(b)reservations or exceptions in patents or in Acts authorizing the issuance thereof;(c)Indian treaty or aboriginal rights,including,but not limited to,easements or equitable servitudes;or,(d)water rights,claims or title to water,whether or not the matters excepted under(a),(b),(c)or(d)are shown by the public records. 7. Right of use,control or regulation by the United States of America in the exercise of powers over navigation;any prohibition or limitation on the use,occupancy or improvement of the land resulting from the rights of the public or riparian owners to use any waters which may cover the land or to use any portion of the land which is now or may formerly have been covered by water. 8. Any service,installation,connection,maintenance or construction charges for sewer,water,electricity or garbage collection or disposal,or other utilities unless disclosed as an existing lien by the public!moult.. SCHEDULE B EXCEPTIONS APPEARING IN ALTA OWNER'S POLICY- EXTENDED COVERAGE 1.Taxes or assessments which are not now payable or which are not shown as existing liens by the records of any taxing authority that levies taxes or assessments on real property or by the public records; proceedings by a public agency which may result in taxes or assessments, or notices of such proceedings,whether or not shown by the records of such agency or by the public records. 2. Underground easements,servitudes or installations which are not disclosed by the public records. 3.(a) Unpatented mining claims;(b)reservations or exceptions in patents or in Acts authorizing the issuance thereof;(c)Indian treaty or aboriginal rights, including,but not limited to,easements or equitable servitudes;or,(d)water rights,claims or title to water,whether or not the matters excepted under(a),(b), (c)or(d)are shown by the public records. 4. Right of use, control or regulation by the United States of America in the exercise of powers over navigation; any prohibition or limitation on the use, occupancy or improvement of the land resulting from the rights of the public or riparian owners to use any waters which may cover the land or to use any portion of the land which is now or may formerly have been covered by water. 5.Any service, installation,connection, maintenance or construction charges for sewer,water, electricity,or garbage collection or disposal,or other utilities unless disclosed as an existing lien by the public records. 1004-2252A ?I -( Zs ( `I ) TRANSNATION TITLE INSURANCE COMPANY 14450 N.E. 29TH PLACE BELLEVUE, WA 98007 Prepared for: Transnation No. 866480 Customer Reference: ALPER NORTHWEST, INC Escrow No. .• Seller First City 700 5TH AVE #6000 Buyer/Bo ower --- SEATTLE, WA 98104 Attn: DEAN ERICKSON By • For ry c on this order call: (2 6) 6 6- 589/1-800-441-7701 JO . J ES D ;D• p _;CAMPBELL Cs„ , i @Taw (FAX #(200 B b�) 1 19y9 - AUG 26 1999 Q� 3�� SCHEDULE A RECEIVED EFFECTIVE DATE,,,P P. yee'1tg3�p�''�"IPR0 A.M. 1. Policy or policies to be issued: Amount ALTA Owner's Policy TO BE DETERMINED Premium (SEE NOTE 2) Tax Extended Policy Premium Tax Proposed Insured: TO BE DETERMINED (SEE NOTE 1) 2 . Title to fee simple estate or interest in said land is at the effective date hereof vested in: ALPER NORTHWEST, INC. , WHICH ACQUIRED TITLE AS FIRST CITY WASHINGTON, INC. , A WASHINGTON CORPORATION (SEE NOTES 3 AND 4) 3 . The land referred to in this commitment is described as follows: See "LEGAL DESCRIPTION: " Order No. 866480 LEGAL DESCRIPTION: THAT PORTION OF THE SOUTHEAST 1/4 OF SECTION 13 , TOWNSHIP 23 NORTH, RANGE 4 EAST W.M. AND THE SOUTHWEST 1/4 OF SECTION 18, TOWNSHIP 23 NORTH, RANGE 5 EAST W.M. , DESCRIBED AS FOLLOWS: BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST 1/4 WITH THE NORTH LINE OF THE SOUTH 650. 00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER, AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; THENCE NORTH 88 DEGREES . 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 1099.78 FEET; THENCE NORTH 01 DEGREES 45 MINUTES 00 SECONDS EAST 418 .89 FEET TO A POINT ON THE SOUTHERLY LINE OF THE CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT-OF-WAY SAID POINT BEING ON A CURVE WITH A RADIUS OF 1005.37 FEET, THE RADIUS OF WHICH BEARS NORTH 38 DEGREES 15 MINUTES 05 SECONDS EAST; THENCE SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346. 30 FEET; THENCE SOUTH 71 DEGREES 29 MINUTES 03 SECONDS EAST ALONG SAID SOUTHERLY LINE 912 . 08 FEET TO THE NORTH LINE OF THE SOUTH 650. 00 FEET OF THE SOUTHWEST 1/4 OF THE SOUTHWEST 1/4 OF SAID SECTION 18 ; THENCE NORTH 89 DEGREES 10 MINUTES 25 SECONDS WEST ALONG SAID NORTH LINE 81. 57 FEET TO THE POINT OF BEGINNING; SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON. Page 2 1 Order No. 866480 SCHEDULE B REQUIREMENTS. Instruments necessary to create the estate or interest to be insured must be properly executed, delivered and duly filed for record. EXCEPTIONS. Schedule B of the policy or policies to be issued will contain exceptions to the following matters unless the same are disposed of to the satisfaction of the Company. A. Defects, liens, encumbrances, adverse claims or other matters, if any, created, first appearing in the public records or attaching subsequent to the effective date hereof but prior to the date the proposed Insured acquires for value of record the estate or interest or mortgage thereon covered by this Commitment. B. Standard exceptions set forth in inside of back cover. C. Special exceptions: 1. Real Estate Excise Tax pursuant to the authority of RCW Chapter 82 . 45 and subsequent amendments thereto. As of the date herein, the tax rate for said property is . 0178 . 2 . General Taxes, as follows, together with interest, penalty and statutory foreclosure costs, if any, after delinquency: (1st half delinquent May 1; 2nd half delinquent November 1) Tax Account No. Year Billed Paid Balance 132304-9086-02 1997 $15, 316. 58 $ . 00 $15, 316.58 The levy code for the property herein described is 2110 for 1997 . 3 . Conservation (CON) Service Charge, as follows, together with interest, penalty and statutory foreclosure costs, if any, after delinquency: (1st half delinquent May 1; 2nd half delinquent November 1) Tax Account No. Year Billed Paid Balance 132304-9086-02 1997 $1.25 $ . 00 $1. 25 4 . Liability for Surface Water Management (SWM) Service Charge, if any, which are not presently assessed, but may appear on future rolls. Page 3 Order No. 866480 5. NOTICE OF TAP OR CONNECTION CHARGES WHICH HAVE BEEN OR WILL BE DUE IN CONNECTION WITH DEVELOPMENT OR RE-DEVELOPMENT OF THE LAND AS DISCLOSED BY RECORDED INSTRUMENT. INQUIRIES REGARDING THE SPECIFIC AMOUNT OF THE CHARGES SHOULD BE MADE TO THE CITY/COUNTY/AGENCY. CITY/COUNTY/AGENCY: City of Renton RECORDED: April 9 , 1984 RECORDING NO. : 8404090606 (Covers property herein described and other property) 6. EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: Olympic Pipe Line Company, a Delaware corporation PURPOSE: Pipeline or pipelines AREA AFFECTED: The Westerly 30 feet of that portion of property herein described lying within Section 18 DATED: --- RECORDED: August 20, 1981 RECORDING NO. : 8108200425 7 . EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: City of Renton, a municipal corporation PURPOSE: Storm sewer drainage ditch AREA AFFECTED: Southeasterly portion as described therein DATED: September 4 , 1987 RECORDED: November 2 , 1987 RECORDING NO. : 8711020435 Page 4 Order No. 866480 8 . EASEMENT AND THE TERMS AND CONDITIONS THEREOF: DISCLOSED BY: Instrument recorded under Recording No. 8811151496 PURPOSE: Temporary, non-exclusive easement and right-of-way over, across, along, in, upon and under property herein described for the purposes of ingress and egress to other property and for the further purposes of extending, constructing, installing, operating, maintaining, repairing and replacing a temporary gravel road AREA AFFECTED: A 15 foot wide strip of property located along and measured North from the Southern Boundary of property herein described and begins at that point on the Southern boundary of property herein described at which Powell Avenue touches property herein described and extends Westerly from that point to the Western boundary of property herein described 9 . EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: The City of Renton PURPOSE: Water and sewer AREA AFFECTED: As described in and shown on the attached exhibits to said document DATED: June 5, 1989 RECORDED: December 6, 1990 RECORDING NO. : 9012061032 10. EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: First City Washington, Inc. , a Washington corporation PURPOSE: Pedestrian and vehicular ingress and egress, and further for the purposes of constructing, maintaining, repairing and replacing roadways within the easement property AREA AFFECTED: As described therein DATED: October 25, 1994 RECORDED: October 25, 1994 RECORDING NO. : 9410251098 Said easement purports to amend and restate easement recorded under Recording No. 9102190835. 11. Covenant and holdharmless agreements contained in deed recorded under Recording No. 8906281378 Page 5 Order No. 866480 12 . AGREEMENT AND THE TERMS AND CONDITIONS THEREOF: RECORDED: October 25, 1994 RECORDING NO. : 9410251099 REGARDING: Access to utilities 13 . EASEMENT AND THE TERMS AND CONDITIONS THEREOF: PURPOSE: Drainage ditch AREA AFFECTED: As described therein RECORDING NO. : 9410251100 14 . DEED OF TRUST AND THE TERMS AND CONDITIONS THEREOF: GRANTOR: Rivertech Associates Limited Partnership, a Washington limited partnership TRUSTEE: Transamerica Title Insurance Company BENEFICIARY: First City Washington, Inc. LOAN NO. : --- BRANCH: --- ADDRESS: --- ORIGINAL AMOUNT: $1, 061, 775 . 00 DATED: June, 1989 RECORDED: June 28, 1989 RECORDING NO. : 8906281379 THE BENEFICIARY'S INTEREST IN THE ABOVE DEED OF TRUST MAY BE MERGED WITH THE LEGAL TITLE TO THE LAND. ANY SUCH MERGER SHOULD BE EVIDENCED BY A RECONVEYANCE OF THE DEED OF TRUST. Investigation should be made to determine the present balance owing with the appropriate lender/agency/individual. 15. ASSIGNMENT GIVEN AS SECURITY AND THE TERMS AND CONDITIONS THEREOF: ASSIGNOR: First City Washington, Inc. , a Washington corporation ASSIGNEE: U.S. Bank of Washington, National Association AMOUNT: Not disclosed DATED: May 27, 1992 RECORDED: June 29 , 1992 RECORDING NO. : 9206291553 Page 6 Order No. 866480 16. FINANCING STATEMENT AND THE TERMS AND CONDITIONS THEREOF: SECURED PARTY: Analytical Technologies, Inc. c/o Ogden Environmental and Energy Services Co. , Inc. DEBTOR: Maxim Analytical Sciences, L.L.C. COVERS: Personal property and fixtures located on property herein described RECORDED: April 12, 1996 RECORDING NO. : 9604120548 (Covers property herein described and other property) 17 . Matters relating to questions of survey, rights of parties in possession, and unrecorded liens for labor or material. An ALTA "as-built" survey must be furnished to this Company which shows the location of all improvements and reveals all encroachments, driveways and easements which encumber the property. We will review the survey and make an inspection of the premises, and will report the results of both the review and the inspection by supplemental report. 18 . ANY SERVICE, INSTALLATION, CONNECTION, MAINTENANCE OR CONSTRUCTION CHARGES FOR SEWER, WATER, ELECTRICITY, OR GARBAGE COLLECTION OR DISPOSAL, OR OTHER UTILITIES UNLESS DISCLOSED AS AN EXISTING LIEN BY THE PUBLIC RECORDS. NOTE 1: Title will be vested in parties yet undisclosed. When title is vested, their title will be subject to matters of record against their names. NOTE 2 : The Company has been asked to issue an owner's policy without disclosure of the liability amount. This commitment shall be effective only when the amount of the policy committed for has been inserted in Schedule A hereof. The forthcoming policy must be issued in an amount at least equal to the full value of the estate insured in accordance with our rating schedule on file in the office of the Washington State Insurance Commissioner. The Company may have further requirements if the undisclosed amount to be insured exceeds the current assessed valuation. NOTE 3 : Evidence and authority of the officers of Alper Northwest, Inc. , a Washington corporation, to execute the forthcoming instrument, should be submitted. NOTE 4 : Any instrument should be executed in the name of Alper Northwest, Inc. , which acquired title as First City Washington, Inc. , a Washington corporation, in order to impart constructive notice. Page 7 Order No. 866480 NOTE 5: There may be Uniform Commercial Code (UCC) Security interests filed with the Department of Licensing in Olympia affecting personal property, crops or agricultural facilities which are not covered by the policy to issue. NOTE 6: The above captioned description may be incorrect, because the application for title insurance contained only an address and/or Parcel Number. Prior to closing, all parties to the transaction must verify the legal description. If further changes are necessary, notify the Company well before closing so that those changes can be reviewed. Closing instructions must indicate that the legal description has been reviewed and approved by all parties. END OF EXCEPTIONS Investigation should be made to determine if there are any service, installation, maintenance or construction charges for sewer, water, or electricity. In the event this transaction fails to close, a cancellation fee will be charged for services rendered in accordance with our rate schedule. CLE/kng ENCLOSURES: Sketch Vesting Deed Paragraphs 5 - 16 Page 8 • • iszs.=s 4kvelr - ititt4 kla ?th.:7 e,-, cr) , *1114 72:4 4,47.,..r, / v. fily... Air ma, Irir , N .1- 14'.t ....,;Aso- 4.-,,,,,;(241 . .... $?,/„.,,,,c! . .,_, P , 0 ithv... :, I -.O., ............\........ .t4r-4411.‘14;:. Nia* 2/26 - 004r.,..- _ ,,,,,, ...„, ....,,Lf ..: • z? .4 z3 col co - ./Pt. - / ` �t N[� A r�t� ..' "t aII) ti ;I R) '. y. _. 4 f) 4j•' • Mn ..01 - 0 : . ...I le. t. 7.•mow44444 RA. Ivor a•.v. y.7,_ Ja.fI ' •I C O.d cK ••ir• J.•Jy J !1i. 4•,�,r1, •O aa•. W•'•. Ili. II • a �a CII 7,�\ i)•I 1 \yy a Z • O 1 , t• MI/-if-•• ►/ /tss.ao i071.715 't e ,s.�l • • r =,, t.•r..i...i tsar "' a[.aa "' a.d, ri.., ti %►+. `a s /1`../, This sketch is provided, without charge, for your information. It is not intended to show all matters related to the property including, but not limited to, area, dimensions, easements, en- croachments, or location of boundaries. It is not a part of, nor does it modify, the commitment or policy to which it is attached. The Company assumes NO LIABILITY for any matter related to this sketch. References should be made to an accurate survey for further information. • )AMENDED AND RESTATED EASEMENT THIS EASEMENT AGREEMENT AMENDS, RESTATES AND REPLACES IN ITS :•! ENTIRETY THAT CERTAIN EASEMENT RECORDED IN THE REAL PROPERTY RECORDS OF KING COUNTY, WASHINGTON UNDER RECORDING NO. 9102190835.T�s EasementAgreemeis made as of the 25T' day of QC�U�) 1994 by RIVERTECH ASSOCIATES LIMITED PARTNERSHIP, a Washington limited partnership ("Grantor") , and FIRST CITY WASHINGTON, INC., a Washington corporation ("Grantee") . : ' RECITALS: A. Grantee is the owner of the real property legally described in Exhibit A attached and referred to in this Agreement crl as "Parcel I". Parcel I is presently unimproved. 1.4 B. Grantor owns certain real property located in King 0 County, Washington legally described on Exhibit E attached and H referred to in this Agreement as "Parcel II". Parcel II is Opresently improved with a three-story commercial office building. C. Currently constructed on Parcel I is a roadway and access 1 v easement, more particularly described in Exhibit C attached (the "Easement Property") , the purpose of which is to provide ingress and egress for vehicles and pedestrians over Parcel I to Parcel II from Powell Avenue S.W. AGREEMENT: In consideration of the mutual covenants and conditions set forth in this Agreement, Grantor and Grantee agree as follows: yV�U 1. Easement. Grantee hereby does grant, convey and declare a nonexclusive easement over, across, along, in and upon the Easement Property, for the benefit of Grantor and all future owners of fee simple title to Parcel II (the "Parcel II Owner") and their guests and invitees, for the purpose of pedestrian and vehicular ingress and egress to Parcel II from Powell Avenue S.W. , and further for the purposes of constructing, maintaining, repairing • and replacing roadways within the Easement Property in accordance with the terms of this Agreement. 2. Nonexclusive. The owner of the Easement Property shall be entitled to fully use and enjoy the Easement Property, including the right to use the surface thereof, provided such use and enjoyment does not interfere with the use and enjoyment of the rights herein granted to the Parcel II Owner, and its tenants, 1650/054:7/12/94 -1. RIV-EASE.AX5 ABASSE/►cWRIVERTEC • FILED FOR RECORD AT REQUEST OF • TRANSAMERICA TITLE INSURANCE CO. EXCISE TAX NOT REQUIRED 32 P.O.BOX 93 E • King Co.Records DMsion BELLEVUE,WA 98009 • 1ivz, v)..R A TIT guests and invitees. The Easement Property shall be used in accordance with such reasonable rules and regulations as Grantee or any future owner of fee simple title to Parcel I (the "Parcel I Owner") may from time to time specify, relating to speed limits, weight limits, and other such requirements designed to promote safety of all vehicular and pedestrian traffic within the Easement Property. Such rules and regulations shall apply equally to the use of the Easement Property by the owners and occupants of Parcel I and the owners and occupants of Parcel II, and their respective guests and invitees. • 3. Maintenance of Improvements. Until such time as the construction of improvements is commenced on Parcel I (as evidenced by the issuance of a permit allowing for grading and the commencement of site work pursuant to such permit) , the Parcel II Owner shall be solely responsible for maintaining and repairing, at its cost and expense, the improvements located in the Easement Property in good condition and repair, including resurfacing and restriping as needed in the reasonable opinion of the party responsible for maintaining the Easement Property. Commencing on the date the construction of improvements is commenced on Parcel I (as described above) , the cost and expense of maintaining, repairing, improving and replacing the roadway and associated co improvements within the Easement Property shall be borne by the Parcel I Owner. O .0 4. Relocation of Easement Property. Grantee (or its 0 successor as the Parcel I Owner) shall have the right, upon giving N written notice to Grantor (or its successor as the Parcel II Owner) , to relocate the Easement Property to an alternative 14 location on Parcel I if in the opinion of the Parcel I Owner, such Ccr D relocation is necessary to efficiently develop Parcel I. The relocation of the relocated Easement Property must be reasonably acceptable to the Parcel II Owner with the intention that the relocated Easement Property shall provide uninterrupted access to Parcel II comparable to that presently provided by the improvements located within the Easement Property. The Parcel I Owner shall pay all costs related to any such relocation of the Easement Property, including the cost of reconstructing a roadway and other improvements within the relocated Easement Property, substantially equivalent in construction quality to the roadway and other improvements presently located in the Easement Property. 5. Easement for Ingress and Egress Over and Across • Parcel II. The Parcel I Owner and all present and future occupants of Parcel I, and their guests and invitees, shall have a nonexclusive easement for pedestrian and vehicular ingress and egress, over and across the roadways, driveways and drive-throughs presently or in the future located within the southerly 115 feet of Parcel II, so the Parcel I Owner and the present and future occupants of Parcel I, and their guests and invitees, shall have 1650/054:7/12/94 -2- RIV-EASE.AMS ABASSE/FCV/RIVERTEC • fIUD DI mTn ..'r.YK:m` : 4 � reasonable access to Parcel I from Naches Avenue South. Such ingress and egress rights shall be used in accordance with such reasonable regulations as the Parcel II Owner may from time to time specify, including but not limited to, speed limits, weight limits and other requirements designed to promote safety of all vehicular and pedestrian traffic over and across the easement areas on Parcel II. Such rules and regulations shall apply equally to the use of such easement areas by the owners and occupants of Parcel I and the owners and occupants of Parcel II, and their guests and invitees. This paragraph is not intended to create any parking privileges on Parcel II in favor of the owner or occupants of Parcel I or their guests and invitees. The Parcel II Owner shall have the right, upon giving written notice to the Parcel I Owner, to relocate the easement areas on Parcel II if in the opinion of the Parcel II Owner, such relocation is necessary, provided at all times the easement area is acceptable to the applicable governmental entities as a "fire lane" for Parcel I. The relocation of the easement areas on Parcel II must be reasonably acceptable to the Parcel I • Owner with the intention that the relocated easement areas shall provide uninterrupted access to Parcel I comparable to that presently provided by the improvements located within the easement areas on Parcel II. The Parcel II Owner shall pay all costs related to any such relocation of the easement areas on Parcel II, including the cost of reconstructing a roadway and other improvements within the relocated easement areas, substantially CID equivalent in construction quality to the roadways and other CI CD improvements presently located in the easement areas on Parcel II. 1.4 6. _Indemnification. The Parcel I Owner and the Parcel II Owner each shall indemnify, defend and hold harmless the other from C and against all claims of liability, any injury or death to any • v4 person or damage to any property arising from or out of any '? activity, work or thing done, permitted or suffered by the C) indemnifying party, its agents, guests, tenants, contractors or invitees, in or about the Easement Property, Parcel I or Parcel II pursuant to this Agreement, including the cost of making any and all repairs necessary to the improvements to the Easement Property due to damage caused by the acts or omissions of the indemnifying party, its agents, guests, tenants, contractors or invitees. The foregoing indemnity shall include all reasonable costs and attorneys' fees and expenses incurred in defense of any such claim or any action or proceeding brought thereon. The foregoing indemnity specifically covers actions brought by the indemnifying • party's own employees. Notwithstanding the foregoing, if losses, liabilities, damages, liens, costs and expenses so arising are caused by the concurrent negligence of both the Parcel I Owner and the Parcel II Owner, or their respective employees, agents, invitees or licensees, the indemnifying party shall be obligated to indemnify the other party only to the extent of the indemnifying party's own negligence or that of its officers, agents, employees, tenants, guests or invitees. The Parcel I Owner and the Parcel II 1650/054:7/12/94 -3- RIV-EASE.AMS ABASSE/FCV/RIVERTEC • ' Elan ikkvii PERICA 11T Owner shall each maintain commercial general liability insurance with such coverage limits as are then typically maintained by owners of similarly situated properties in King County, Washington (which shall not be less then $1,000,000 per occurrence for property damage or loss or $1,000,000 for personal injuries and death) . Each shall name the other as an additional insured and on request shall provide the other party with a copy of the policy or policies of insurance or with a certificate evidencing the same. 7. Failure to Maintain. If either the Parcel I Owner or the Parcel II Owner fails to perform its maintenance or repair obligations under this Agreement (a "Defaulting Party") , and such failure is not cured within thirty (30) days after written notice from the other owner (the "Nondefaulting Party") , the Nondefaulting Party shall have the right to perform such maintenance and repairs as it deems reasonably necessary at the cost and expense of the Defaulting Party; provided, notwithstanding the foregoing, if the failure by the Defaulting Party creates an emergency or perceived emergency (i.e. , an eminent threat of danger to person or property) , the Nondefaulting Party shall have the right to immediately, without prior notice to the Defaulting Party, do such things as it deems reasonably necessary to remove the threat. Any 00 costs or expenses incurred by the Nondefaulting Party pursuant to O) this paragraph shall be due and payable in full within ten (10) C days after written demand on the Defaulting Party, together with vi interest from the date of demand until the date paid at a per annum V interest rate of twelve percent (12%) . The Nondefaulting Party • 04 shall be entitled to a lien on the parcel owned by the Defaulting CD Party for any amount due and payable to the Nondefaulting Party w which is not paid when due. Such lien shall be a continuing lien upon the parcel of the Defaulting Party, and may be foreclosed in CI accordance with the statutory provisions regarding judicial foreclosure of mortgages in the State of Washington. Any such liens shall be subordinate to the lien of any present or future mortgage or deed of trust on a parcel, which was made in good faith and for value, and which was recorded prior to the recordation of a lis pendens or other notice of foreclosure of the lien. The sale or transfer of any lot shall not effect the lien, but the sale or transfer of any parcel pursuant to judicial or non-judicial foreclosure proceedings or by deed or other transfer in lieu of foreclosure shall extinguish the lien. 8. Duration. The easements and covenants set forth in this Agreement shall be perpetual, unless terminated in accordance with the provisions hereof. The easements and covenants of this Agreement shall not be affected in any manner by the doctrine of merger or otherwise if now or hereafter Parcel I and Parcel II are owned by the same person or entity. 1650/054:7/12/94 -4- RIV-EASE.AM5 ABASSE/FCY/RIVERTEC • • ClIM1. ;' {riwRKA T (;• � I 9. Termination. The easements and covenants contained in this Agreement may be terminated by written agreement signed by all the owners of fee simple title to both Parcel I and Parcel II. 10. Covenants Running With Land. The easements and covenants set forth in this Agreement shall be covenants and easements running with the land and shall be binding upon the present and future owners of Parcel I, Parcel II and the Easement Property, and their respective successors and assigns. Dated as of the day and year first written above. • GRANTOR: RIVERTECH ASSOCIATES LIMITED PARTNERSHIP, a Washington li ed partnership By avid M. Schuman, Managing General Partner By: GLENVILLE REALTY CORPORATION, a Delaware corporation, General Partner m Cr; By i w N Its V CGRANTEE: FIRST CITY WASHINGTON, INC. , a Washington corporation By It By • Its DEAN R.ERICKS VICE PRESIDENT 1650/054:7/12/94 •5. RIV-EASE.AM5 ABASSE/FW/R1VERTEC • • FILED-BY: .Y I'r \il CONSENT OF MORTGAGEE: J f,/ , , The undersigned, being the present beneficiary of that certain ,�i� Deed of Trust dated Fob -ry 1-4-r 1900, recorded in the real / 'L property records of King County, Washington under Recording No.9tO7/5/'t 9107310360 and 9303061130) hereby consents to the foregoing agreements, easements and covenants. KEARNA STREET REAL ESTATE COMPANY, L.P. , a Delaware limited partnership By: KS Corporation, a Delaware corporation, General Partner By 4 . Its fes'Iderik o0 ar 0 tin C a C, 1650/054:7/12/94 -6- RIV-EASE.AMS ABASSE/FOJ/RIVERTEC • • • FIIS,U D1. STATE OF (i144.7tyk.r ) / ss. COUNTY OF A 11 On this /y day of , 994, before me, a Notary Public in and for the State f • , duly commissioned and sworn, personally appeared DAVID M. 8 MAN, to me known to be the .y- general partner of RIVERTECH ASSOCIATES LIMITED PARTNERSHIP, the limited partnership named in and which executed the foregoing instrument; and he acknowledged to me that he signed the same as the free and voluntary act and deed of said limited partnership for the uses and purposes therein mentioned. • I certify that I know or have satisfactory evidence that the person appearing before me and making this acknowledgment is the person whose true signature appears on this document. WITNESS my hand and official seal the day and year in this • certificate above written. llansnn •�l F. CA,yp • er .sION 7 Signature :Gj 't0 :o NoTARp.�1L:s F E :V ..fir Wj Print Name • :: PUBLIC ' N T Y UBLIC in and for the State of N : . 0. ��f , residing at $ellavrre ;. fi' My co fission expires: /o_I.c"-97 y..OR WAS' C.) ehSSuW • !"+ 1 A al 1650/054:7/12/94 -7- RIV-EASE.AMS ABASSE/FCY/R IVERTEC ClldD/ Dl: STATE OF en"JAI fl ) ss. COUNTY OF rmA1Gam6 On this i- 2 day of 7'7 , 1994, before me, a Notary Public in and for the State of eJM1fJ , duly commissioned and sworn, personally appeared s-Th..vew - Sct{-/ic-GP- of Glenville Realty Corporation, a Delaware corporation, to me known to be a General Partner of RIVERTECH ASSOCIATES LIMITED PARTNERSHIP, the partnership named in and which executed the foregoing instrument; and he/she acknowledged to me that he/she signed the same as the free and voluntary act and deed of said partnership for the uses and purposes therein mentioned. I certify that I know or have satisfactory evidence that the person appearing before me and making this acknowledgment is the person whose true signature appears on this document. • WITNESS my hand and official seal the day and year in this certificate above written. /4( Signature Print Name • ;y WRY PpBLIC in and for the State of, , 3• •i->'• U.(J , residing at9',eE"�7..iU/ . : ,� ,2�. _ ` Mycommission expires +� s" ` 97 `;; • gri ids cn 1650/054:7/12/94 -8- RIV-EASE_AH5 ABASSE/FCw/RIVERTEC • • • • CIL gipC11 Dl. STATE OF WASHINGTON ss. COUNTY OF Ic-/ ) On this (.3 day of , 1994, before me, a Notary Public in and for the State f Washipgton, duly commissioned and sworn, personally appeared t 1/ ‘t4^ty and LA,,,. f+.-.l�.r to me known to be the tc�i U and s.� respectively, of FIRST CITY WASHINGTON, INC. , the corporation named in and which executed the foregoing instrument; and they acknowledged to me that they signed the same as the free and voluntary act and deed of said corporation for the uses and purposes therein mentioned. I certify that I know or have satisfactory evidence that the persons appearing before me and making this acknowledgment are the persons whose true signatures appear on this document. WITNESi oary,, and and official seal the day and year in this certific;bt ' itten. Qi4 HOT) 'f fir'i ature �� arUILIC 2: 2d1Qk l��CO„i �7�1\ 4.941." A.Sent Mama ••'•.O, WAS.,\.4�,'WashingtUOTARY BLlC in residindg for t e State of at My commission expires W 0) vol 4-4 C, 1650/054.7/12/94 -9- RIV-EASE.AMS ABASSE/FCN/RIVERTEC • Cl FD/ B1. f. . • • CALIFORNIA ALL-PURPOSE ACKNOWLEDGMENT No.5193 / State of l S��-CDC n OPTIONAL SECTION Ime County of L—f1'1 ine\ CAPACITY CLAIMED BY SIGNER / DI L° Though statute does not require the Notary to , JJ fill in the data below,doing so may prove X t 1 invaluable to persons relying on the doalmenl. On �' —411 before me, �/+f ,'/^'�tt;(A p r�i ALA- r1`1I eL)�a��c , DATE giAME,TULE OF OFFICER•E.O.'3M E DOE.NOTARY PUBLIC �INDIVIDUAL 1 _ CORPORATE OFFICER(S) personally appeared �p �+n o. -bc•+ P�J' L /vA 4-n s u5ry/ E( OF SIGNER(S) 71TLEI5) 0 personally known to me-OR-❑proved to me on the basis of satisfactory evidence ❑PARTNER(S) LIMITED to be the person(s) whose name(s)-is/are ❑GENERAL subscribed to the within instrument and ac- ❑ATTORNEY IN-FACT knowledged to me that f,chat le/they executed 0 TRUSTEE(S) the same in Neater/their authorized GUARDIAN/CONSERVATOR capacity(ies), and that by his/her/their vwsarAe signature(s)on the instrument the person(s), Li OTHER: j:�,E ow.•1017546 Nokia/ _cI75Aog I or the entity upon behalf of which the MY lOSAOTTITR. GREsco cowry person(s)acted,executed the instrument. r-_ Expires OCT 17•I977 SIGNER IS REPRESENTING: WITNESS my hand and official seal. NAME OF PERSONISI OR ENTTTY(IES) 6) / / o16NATURE OF NOTA3Y 6� / OPTIONAL SECTION • THIS CERTIFICATE MUST BE ATTACHED TO TITLE OR TYPE OF DOCUMENT / THE DOCUMENT DESCRIBED AT RIGHT: / NUMBER OF PAGES DATE OF DOCUMENT J Though the data requested here Is not required by law, / it could prevent fraudulent realtawnent of this form. SIGNER(S)OTHER THAN NAMED ABOVE 6 01993 NATIONAL NOTARY ASSOCIATION•8236 Rommel Ave.,P.O.Box 7184•Canoga Park,CA 91309.7t84 CD N elm C, 1650/054:7/12/94 -10- RIV-EASE.AM5 ABASSE/FC1/RIVERTEC • • • C l ld{I D l: --. 'v�kER�A 1 [r yt! • • EXHIBIT A Legal Description of Parcel I Order No. 862421 ', AL DESCRIPTION: THAT PORTION OF THE SOUTHEAST 1/4 OF SECTION 13, TOWNSHIP 23 NORTH, RANGE 4 EAST W.M. AND THE SOUTHWEST 1/4 OF SECTION 18, TOWNSHIP 23 NORTH, RANGE 5 EAST W.M., DESCRIBED AS FOLLOWS: BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST 1/4 WITH THE NORTH LINE OF THE SOUTH 650.00 tEta THEREOF, SAID NORTH LINE BEING ALSO rat. NORTH LINE OF WASHINGTON TECHNICAL CENTER, AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING • COUNTY; THENCE NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 1099.78 FEI.1; THENCE NORTH 01 'DEGREES 45 MINUTES 00 SECONDS EAST 418.89 FEET TO A POINT ON rjt. SOUTHERLY LINE OF THE CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT-OF-WAY SAID POINT BEING ON A CURVE WITH A • RADIUS OF 1005.37 FEET, THE RADIUS OF WHICH BEARS NORTH 38 DEGREES 15 MINUTES OS SECONDS EAST; THENCE SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346.30 FEET; THENCE SOUTH 71 DEGREES 29 MINUTES 03 SECONDS EAST ALONG SAID SOUTHERLY LINE 912.08 FEET TO ThL NORTH LINE OF THE SOUTH 650.00 FEET OF THE SOUTHWEST 1/4 OF THE SOUTHWEST 1/4 OF SAID SECTION 18; THENCE NORTH 89 DEGREES 10 MINUTES 25 SECONDS WEST ALONG SAID NORTH LINE 81.57 FEET TO THE POINT OF BEGINNING; • SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON. • • CI CD Ul CD 1.4 T on . Tp�• �Flidl-BY: " - l ikl l Pill 1 r i h EXHIBIT B Legal Description of Parcel II • LEGAL DESCRIPTION: THAT PORTION OF THh SOUTHEAST 1/4 OF SECTION 13, TOWNSHIP 23 NORTH, RANGE 4 EAST W.M., DESCRIBED AS FOLLOWS: BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST 1/4 WITH THE NORTH LINE OF THE SOUTH 650.00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; THENCE NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 1,099.78 t .'t TO THE TRUE POINT OF BEGINNING; THENCE NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 526.73 FEET; THENCE NORTH 01 DEGREES 45 MINUTES 00 SECONDS EAST 225.00 FEET; THENCE ON A CURVE TO THE LEFT WITH A RADIUS OF 853.34 FEET A DISTANCE OF 209.55 FEET; THENCE NORTH 12 DEGREES 19 MINUTES 12 SECONDS WEST 30.76 FEET; THENCE SOUTH 71 DEGREES 42 MINUTES 49 SECONDS EAST 218.86 FEET; THENCE SOUTH 88 DEGREES 15 MINUTES 00 SECONDS EAST 350.00 f.Lt i TO A POINT WHICH BEARS NORTH 01 DEGREES 45 MINUTES 00 SECONDS EAST FROM THE TRUE POINT OF BEGINNING; THENCE SOUTH 01 DEGREES 45 MINUTES 00 SECONDS WEST 400.00 FEET TO 'Ht. Q) TRUE POINT OF BEGINNING; CI p SITUATE IN rill. CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON. Q vo • • FJID'Y: iR s "F.R A 1 i:. • /114"\ Hansen Surveying LAND SURVEYORS & CONSULTANTS • 2500 TALBOT CREST DRIVE S. RENTON, WASHINGTON 9805!. (206) 235.8440 Page 1 of 2 DRIVEWAY EASEMENT RIVERTECH CORPORATE CENTER • AN EASEMENT FOR INGRESS AND..,EGRESS_.PURPOSES -30 FEET WIDE LYING 1' FEET ON EACH SIDE OF THE FOLLOWING DESCRIBED CENTER LINEiy- COMMENCING AT THE INTERSECTION OF THE EAST LINE OF THE SOUTHEAST QUARTER OF SECTION 13, TOWNSHIP 23 NORTH, RANGE 4 E1.ST, w.M. , Kit COUNTY, WASHINGTON WITH THE NORTH LINE OF THE SOUTH 650 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER AS RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF SAID COUNTY; THENCE NORTH t.8'15'00" WEST ALONG SAID NORTH LINE 1,099.78 FEET; THENCE NORTH (•.l '45 '00" EAST 126.16 FEET TO THE TRUE POINT BEGINNING OF SAID 30 lOOT WIDE EASEMENT; THENCE SOUTH 57'30'54: EAST 51.91 FEET TO THE BEGINNING OF A CURVE TO THE LEFT HAVING A RADIUS OF 74.00 FEE'i'; THENCE ALONG SAID CURVE THROUGH A CENTRAL ANGLE OF 33'07' 4t." AN ARC DISTANCE OF 42.79 FEET TO: THE BEGINNING OF A REVERS}: CURVE TO THE OD RIGHT HAVING A RADIUS OF 226.84 FEET; THENCE ALONG SAID CURVE C THROUGH A CENTRAL ANGLE OF 32'36'06" AN ARC DISTANCEOF 129.07 CD FEET; THENCE SOUTH 58'02'40" EAST 64.68 FEET TO Till': BEGINNING OF A CURVE TO THE RIGHT HAVING A RADIUS OF 37.00 FEET; THENCE ALONG • 04 SAID CURVE THROUGH A CENTRAL ANGLE OF 50'44 '26" AN I.RC DISTANCE 01 32.77 FEET TO THE NORTH LINE OF SAID WASHINGTON TECHNICAL CENTER, CD 1 AND THE TERMINUS OF SAID EASEMENT CENTER LINE. 'd" • cn AN EASEMENT FOR INGRESS AND EGRESS PURPOSES 20 FEET WIDE LYING 10 FEET ON EACH SIDE OF THE FOLLOWING DESCRIBED CENTER COMMENCING AT THE INTERSECTION OF THE EAST LINE OF 711ESOUTIIEAS'1' QUARTER OF SECTION 13, TOWNSHIP 23 NORTH, RANGE 4 El-S'I', W.M. , KIN( COUNTY, WASHINGTON WITH THE NORTH LINE OF TIIE SOUTI. 650 FEET • THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE (•I' WASIIING'I'OII TECHNICAL CENTER AS RECORDED IN VOLUME 122 OF PLTC!'S, PAGES 90 THROUGH 102, RECORDS OF SAID COUNTY; THENCE NORTH 1. 8'15'00" WEST ALONG SAID NORTH LINE 1,099. 78 FEET; THENCE NORTH ( 1'45 '00" EAST 53.00 FEET; THENCE SOUTH 88'15'00" EAST 10.00 FEET TO THE TRUE POINT BEGINNING OF SAID 20 FOOT WIDE EASEMENT; THENCE NORTH 1'45'00" EAST 330.00 FEET TO THE TERMINUS OF SAID EASEMENT CENTER LINE. • • Rodney G. lianEen, P.L.S. December 10) 1990 (89019 Rivertccl:) • • ram ' t . 32 :• J ^ V r S•v'o C'J/'t rL- to •90 • . EUD-M • TRANWER A 1 of 2 RIVERTECH CORPORATE PARK 9410251098 j 1 INGRESS. EGRESS S UT IL ITT 1 EASEMENT, CURVE DELTA ANGLE RADIUS C 1 ARC TANGENT CHORD CHORD BEARING 1 37'07'46' 74.00 42.79 22.DI 42.20 5 7<-04'St 'E 111 C 2 32'36'00• 226.84 129.07 66.34 127.34 S 74.20 t2'E C 3 50'44'20' 37,00 32.77 I7.55 31.71 S 1740'30'E I LINE BEARING DISTANCE L I S 57'30'54'E 51.91 I 1 I • L 2 ' S Se'02'a0'E 64.66 IPARCEL 2 PARCEL 1 I i . ly I l IC zo' WIDE ACCESS EAOSEIIENT — I- = 100' Q U NI N ln I - w EXIST. BUILDING i 0 x \ z -i + W C ' I I EN V' /I • r'10• WIDE ACCESS LASENT. w 7��1Li — I • o�NEY.G.49,E Nee-Is'oo•M 7 ij .0,,,0.,,,;f.l.,, r/io 4 * N LD€ OF S. ESO' OF SE 1/4 SEC. 13 POINT OF CONMENCEMEM /0 „ - ; 8 N. LINE OF PLAT OF WASHINGTON (SEE DESCRIPTION) 'Q /� VOL. 122. Pe. Se—IQ2_ ti • TECHNICAL CENTER • '-s o HANSEN SURVEYING • :. ��/vr�[ Uab 5��` + RENTON. TASHINGTON ? •• , /Z.:o�o TEL: 235-8440 f• _ , d r...61. F. .1 1 4. 1 RECORDED AT THE REQUEST OF AND MEN RECORDED RETURN TO: $ FIRST CITY IASIIINGTOM, INC. 700 FIFTN MERLE. SUITE 6000 ac SEATTLE. UASNINGTOM 96104 ATTENTION: DEAR ERICKSON AGREEMENT REGARDING ACCESS TO UTILITIES y/ This Agreement is made as of the 25 /i•may/day of 0074u, 1994, \E CI by RIVERTECH ASSOCIATES LIMITED PARTNERSHIP, a Washington limited Cr) partnership ("Rivertech") , and FIRST CITY WASHINGTON, INC., a " CD Washington corporation ("First") . y RECITALS: t/ 8 O A. Rivertech has transferred to First, by special warranty dam' deed in lieu of foreclosure, all of Rivertech's right, title and interest in and to the real property legally described in Exhibit CI A attached ("Parcel I") . Rivertech is the owner of the real property located in King County, Washington legally described on • Exhibit B attached ("Parcel II") . B. The purpose of this Agreement is to confirm that First and all present and future owners of Parcel I shall have the right, without latecomer's fees or other charges, to connect to the public • IV utilities (including without limitation water, sewer, gas and • power) currently located on and serving the improvements on Parcel II, in connection with the future development of Parcel I by First or its successors or assigns. AGREEMENT: For good and valuable consideration, the receipt and sufficiency of which are acknowledged, Rivertech agrees as follows: 1. Rivertech hereby grants, bargains, sells and conveys to First, and all future owners of Parcel I (collectively "Grantee") an easement over, through, across and upon Parcel II in the locations provided below for the purpose of (a) extending utility service lines currently located on Parcel II to Parcel I in connection with the future development of Parcel I, and (b) • constructing, maintaining, repairing, altering and restoring such utilities, or making any connections therewith, provided the rights granted hereunder are exercised in a non-negligent manner and that such construction, maintenance, repair, alteration or reconstruction of utilities shall be accomplished in such a manner 1650/054:7/12/94 -1- RIV-UTIL.AG5 ABASSE/FCW/RIVERTEC FILED FOR RECORD AT REQUEST OF TRANSAMERICA TITLE INStCE CO. 920 108TH AVE.NE P.O.BOX 1493 BELLEVUE,WA 98009 • I 11.C11—D I: r that the improvements now or hereafter located on Parcel II shall • not be disturbed, unreasonably interrupted or damaged unless replaced or repaired as soon as reasonably possible to as good a condition as they were immediately before the property was entered upon by Grantee. Unless otherwise agreed in writing by the then owner of Parcel II, all utility service lines hereafter located on Parcel II by Grantee pursuant to this Agreement shall be located within fifteen (15) foot areas, the center lines of which are the location of the utility service lines currently located on Parcel II, as extended to the property line between Parcel I and Parcel II. The rights of First hereunder shall be subject to the rights of any public or quasi-public utility provider to the extent any of the utilities on Parcel II have been publicly dedicated. 2. Grantee shall have no obligation to pay to Rivertech or its successors, late-comers' fees or other charges in connection with the exercise of rights granted hereunder; provided, Grantee Q) shall pay any such charges assessed by any utility provider. c) • O 3. The covenants and easements contained herein shall be ,4 covenants and easements running with the land and shall be binding y upon Rivertech, its successors, heirs and assigns. Rivertech Gcovenants and warrants to First it is the lawful owner or Parcel II ,4and has a good and lawful right to execute and deliver this Agreement. The easements and covenants of this Agreement shall not C) be affected in any manner by the doctrine of merger or otherwise if now or hereafter Parcel I and Parcel II are owned by the same person or entity. 4. Grantee shall indemnify, defend and hold harmless each present and future owner of Parcel II against any and all claims of liability, any injury or death to any person or damage to any property arising from or out of any activity, work or thing done, permitted or suffered by the Grantee, its agents, guests, tenants, contractors or invitees, in or about Parcel I or Parcel II pursuant to this Agreement. The foregoing indemnity shall include all reasonable costs and attorneys' fees and expenses incurred in defense of any such claim or any action or proceeding brought thereon. The foregoing indemnity specifically covers actions brought by the indemnifying party's own employees. Notwithstanding the foregoing, if losses, liabilities, damages, liens, costs and expenses so arising are caused by the concurrent negligence of both Grantee and the owner of Parcel II, or their respective employees, agents, invitees or licensees, Grantee shall be obligated to indemnify the owner of Parcel II only to the extent of the 1650/054:7/12/94 -2- RIV-UTIL.A05 ABASSE/FCY/RIVERTEC • • • MI D : RA;SA VEREA v �': negligence of Grantee or that of its officers, agents, employees, tenants, guests or invitees. Dated as of the day and year first written above. • RIVERTECH: RIVERTECH ASSOCIATES LIMITED PARTNERSHIP, a Washing n li ed partnership By David M. Schuman, Managing General Partner By: GLENVILLE REALTY CORPORATION, a Delaware corporation, General Partner 0n By 3‘Off---e4--th- 0) • CD Its 1n FIRST: c CDFIRST CITY WASHINGTON, INC. , a Washington corporation By It Q{( By Its DEAN R. ERIC VICE PRESIUtNI' 1650/054:7/12/94 -3- RIV-UTIL.AG5 ABASSE/FCL/RIVERTEC TR4NS MMRrA i . , s CONSENT OF MORTGAGEE: lQ�')/qq(1�� The undersigned, being the current beneficiary of that certain Deed of Trust dated Aie'embcr 14, 1988, recorded in the real property records of King County, Washington under Recording No.? O ctL. hereby consents 11111111 to the foregoing agreements, easements and covenants. KEARNYY STREET REAL ESTATE COMPANY, L.P. , a Delaware limited partnership By: KS Corporation, a Delaware corporation, General Partner r / By 1 Its Pros,C P1L{ O01'4'1Rs W eg• • rl 1650/054:7/12/94 -4- RIV-UTIL.ACS ABASSE/FCN/RIVERTEC • • l 1 LiJ! ff. - TRkNS RTA . V y ► E! • r V-+as 77,-3 .. STATE.OF-• ) '•we;J:=7'a..t'U_�4 j ) ss. •'Y COVPT7r OF, K� ) • • iri'4 r .'�;�. X ' On this /y h- day of , 994, before me, a Notary "5" i�Public:in and for the State o , duly commissioned and ,r; - ..?.,sworn, 'personally appeared DAVID X. SC , to me known to be the w -annaq#l�g- general partner of RIVERTECH ASSOCIATES LIMITED ti=-' `.;r '•PARTNERSHIP, the limited partnership named in and which executed y - ?"the foregoing instrument; and he acknowledged to me that he signed the same as the free and voluntary act and deed of said limited partnership for the uses and purposes therein.mentioned. I certify that I know or have satisfactory evidence that the person appearing before me and making this acknowledgment is the person whose true signature appears on this document. WITNESS my hand and offici 1 seal the day and year in this CD• certificate above written. ',ptnnr,,,r, Ro (4/E/tri •••0...stON BF\ voi r `4.6 ! s1R,.tor'r jo >,IOTARy rn' 3 Print Mewl %%N•; 0.JBL1O •2: NOTARY PUBLIC in and for the State of �'.���•LT ���0`, , residing at ea.�ial/vc 4�Op MIASO ... My cgtamission expires: to-is-97 ti+.nuNA".. • 1650/054:7/12/94 -5- RIV-UT1L.A05 ABASSE/fd/RI VERTEC • • Mgt 1RANS.k'FRLA r i'' STATE OF eVN AI ) (' ,�/++"� s s. COUNTY OF (/}1 Rt-►al-}1 • On this Aa day of , 1994, before me, a Notary Public in and for the State of G rdt , duly commissioned and V sworn, personally appeared STGC1V T. .Sc}+Rerr L of Glenville Realty Corporation, a Delaware corporation, to me known to be a General Partner of RIVERTECH ASSOCIATES LIMITED PARTNERSHIP, the partnership named in and which executed the foregoing instrument; and he/she acknowledged to me that he/she signed the same as the free and voluntary act and deed of said partnership for the uses and purposes therein mentioned. I certify that I know or have satisfactory evidence that the person appearing before me and making this acknowledgment is the person whose true signature appears on this document. WITNESS my hand and official seal the day and year in this certificate above written. CI '41,4 Signature r✓� c �,�l,v� 1�, MO l/iv&`z�a' Tof Print Meese nX � NARY PUBLIC in and for the State o r •''• •�-' + • Q> Li U , residing at ZJ1�11 ,/:'_.�� ;`",: ' My commission expires Y- - y f`= f.'. P•{ ' �. . �+,•as. 1 y 1650/054:7/12/94 -6- RIV-UTIL.AG5 AHASSE/FCWRIVERTEC lisSA MI'A r ;: • STATE OF WASHINGTON ss. COUNTY OF Kee? On this 13'�` day of , 1994, before me, a Notary Public in and for the State sh,ington, duly pommissioned and sworn, personally appeared,, V./ki,....,.7 and ..to me known to be the and t.1 /tu respectively, of FIRST CITY WASHINGTON, INC. , the corporation named in and which executed the foregoing instrument; and they acknowledged to me that they signed the same as the free and voluntary act and deed of said corporation for the uses and purposes therein mentioned. ' I certify that I know or have satisfactory evidence that the persons appearing before me and making this acknowledgment are the persons whose true signatures appear on this document. • WITNESS Zi' a and official seal the day and year in this certificat{a'' t% tPUelLen. p'9 E p" (a'ellE✓!��/� r4rlL1c7P�vn� • ... ; Name •,, OpWASN\ TARY PUBLIC in and for the State of .'.•...,,....`''Washington, residing at /Z.4y2.O My commission expires CI C In C T4 Tr cl 1650/054:7/12/94 -7- RIV-UTlL.AGS ABASSE/fCWRIVERTEC 7PANSAYFRA3 IT C�y ► `�� • • CALIFORNIA ALL-PURPOSE ACKNOWLEDGMENT No 5197 / i- _ milim OPTIONAL SECTION witi State of COI i-C-ne n 1 A, I 4� _ �[�_^ CAPACITY CLAIMED BY SIGNER County of L •S '`I�P (Q� Though stable does not require die Notary to 1f `J `/1 p ` `I D lilt In the data below,doing so may prove 'S On ''S - I Y v 1�,f11 0.,OGtX'vQ &I Q�I• 1 )O It C- invaluable to persons raying on the document. / before me, II G, 0 INDIVIDUAL DATE NAME.TTTI..E OF OFFICER!E.G..'LWE DOE.NOTARY 7UeLIC' rrrr 0 CORPORATE OFFICER(S) personally appeared To-C- r41� ) ) kJ -4- L,Ada �1n5bu11 % NAME(S)OF SKWERIS) TITLE(9) PARTNER(S) LIMITED personally known to me-OR-❑proved to me on the basis of satisfactory evidence 0 0 to be the person(s) whose name(s)-is/are 0 GENERAL 4� . subscribed to the within instrument and ac 0 ATTORNEY-IN-FACT know)edged to me that hetsthelthey executed 0 TRUSTEE(S) t the same in hia/h,r/their authorized ❑GUARDIAN/CONSERVATOR / capacity{ies), and that by frtslireT7their / / vtapiraA�� signature(s)on the instrument theperson(s), ❑OTHER: COM1�L 0 to17sa6 / • / = 4 - Nofrnt,a �T, yFc—conlo or the entity upon behalf of which the / -- ; ^9' LOS ANGEL ES COUNTY My Comm Expires 17 1997 person(s)acted,executed the instrument. SIGNER IS REPRESENTING: / . / WITNESS my hand and official seal. NAU+E Of PERSONISI OR ENTTTYVES) /ill- ATURE OF NOTARY • ONAL SECTION THIS CERTIFICATE MUST BE ATTACHED TO TITLE OR TYPE OF DOCUMENT / THE DOCUMENT DESCRIBED AT RIGHT: NUMBER OF PAGES DATE OF DOCUMENT �y / Though the data requested hear Is not required by law, It wand prevent fraudulent reaB.Jnn.rrt of this form. SIGNER(S)OTHER THAN NAMED ABOVE _- 4 4 • 01993 NATIONAL NOTARY ASSOCIATION•8238 Rensnet Ave..P.O.Sox 7184•Canoga Park.CA 91309-7184 en en Q '.4 O J d • • 1650/054:7/12/94 -8- RIV-UTIL.AG5 ABASSE/FCWRIVERTEC • • • CILCl1 1: IR NSA Y RICA iTI • EXHIBIT A Legal Description of Parcel I • Order No. 862421 LEGAL DESCRIPTION: THAT PORTION OF THE SOUTHEAST 1/4 OF SECTION 13, TOWNSHIP 23 NORTH, RANGE 4 EAST W.M. AND THE SOUTHWEST 1/4 OF SECTION 18, TOWNSHIP 23 • NORTH, RANGE 5 EAST W.M_, DESCRIBED AS FOLLOWS: BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST 1/4 WITH THE NORTH LINE OF THE SOUTH 650.00 FEET THEREOF, SAID NORTH LTNE BEING ALSO THE NORTH LINE OF WASFIINGTON TECHNICAL CENTER, AS PER PLAT RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; THENCE NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 1099.78 trjr; THENCE NORTH 01-DEGREES 45 MINUTES.00 SECONDS EAST 418.89 FEET TO A ' POINT ON THE SOUTHERLY LINE OF THE CHICAGO, MILWAUKEE, ST. PAUL AND PACIFIC RAILROAD RIGHT-OF-WAY SAID POINT BEING ON A CURVE WITH A RADIUS OF 1005.37 FEET, THE RADIUS OF WHICH BEARS NORTH 38 DEGREES 15 MINUTES 05 SECONDS EAST; THENCE SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346.30 FEET; THENCE SOUTH 71. DEGREES 29 MINUTES 03 SECONDS EAST ALONG SAID SOUTHERLY LINE 912.08 FEET TO THE NORTH LINE OF THE SOUTH 650.00 FEET OF THE SOUTHWEST 1/4 OF THE SOUTHWEST 1/4 OF SAID SECTION 18; THENCE NORTH 89 DEGREES 10 MINUTES 25 SECONDS WEST ALONG SAID NORTH LINE 81.57 FEET TO THE POINT OF BEGINNING; SITUATE IN THE CITY OF RENTON, COUNTY OF ICING, STATE OF WASHINGTON. 0) 0 • v4 0 v Tr cl • • • Ralf: TRahSI RAA • • EXHIBIT B Legal Description of Parcel II LEGAL DESCRIPTION: THAT PORTION OF 1'Yit. SOUTHEAST 1/4 OF SECTION 13, TOWNSHIP 23 NORTH, RANGE 4 EAST W.M., DESCRIBED AS FOLLOWS: BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST 1/4 WITH THE NORTH LINE OF THE SOUTH 650.00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER AS PER PLAT • RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; THENCE NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH CI LINE 1,099.78 FEET TO THE TRUE POINT OF BEGINNING; 07 THENCE NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH A 0 LINE 526.73 FEET; THENCE NORTH 01 DEGREES 45 MINUTES 00 SECONDS EAST 225.00 FEET; In THENCE ON A CURVE TO THE LEFT WITH A RADIUS OF 853.34 FEET A DISTANCE N OF 209.55 }tt:r; p THENCE NORTH 12 DEGREES 19 MINUTES 12 SECONDS WEST 30.76 FEET; rtmi THENCE SOUTH 71 DEGREES 42 MINUTES 49 SECONDS EAST 218.86 FEET; THENCE SOUTH 88 DEGREES 15 MINUTES 00 SECONDS EAST 350.00 FEET TO A 0I POINT WHICH BEARS NORTH 01 DEGREES 45 MINUTES 00 SECONDS EAST FROM THE • TRUE POINT OF BEGINNING; THENCE SOUTH 01 DEGREES 45 MINUTES 00 SECONDS WEST 400.00 FEET TO THE TRUE POINT OF BEGINNING; SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON. • FUMY: !: iRowr.R[CA • Cry • ti 1 RECCROED AT THE REQUEST OF AND WHEN RECORDED RETURN TO: t FIRST CITY WASHINGTON, INC. YO. 700 FIFTH AVENUE, SUITE 6000 rru SEATTLE, WA 98104 g ATTN: DEAN ERICXSON EASEMENT REGARDING DRAINAGE DITCH M This Agreement is made as of the ZSThday of Ocralt.c 1994, i f-,„ by RIVERTECH ASSOCIATES LIMITED PARTNERSHIP, a Washington limited partnership ("Grantor") and FIRST CITY WASHINGTON, INC., a (p/ Washington corporation ("Grantee") . Ilgi' C For good and valuable consideration, the receipt and a e4 sufficiency of which are hereby acknowledged, Grantor does hereby In grant, bargain, sell, and convey unto Grantee, and its successors o (V and assigns, a right of way over, through, across and upon the property in King County, Washington, legally described in Exhibit B attached (the "Right of Way") for the purpose of obtaining access v' to construct and maintain a storm sewer drainage ditch (the 8 Cr) "Ditch") adjacent to the Right of Way. Grantee, and its successors and assigns, shall have the right with reasonable prior notice, at such times as may be necessary to enter upon the Right of Way for the purpose of obtaining ingress and egress to the Ditch located on the property to the south of and 1 adjacent to the Right of Way to carry out the maintenance, repair, 1 alteration or reconstruction of the Ditch or other utilities thereon or make any connections therewith and to allow the Ditch to be maintained on the Right of Way, without incurring any legal • obligations or liability therefor, provided the rights hereunder are exercised in a non-negligent manner and that such construction, maintenance, repair, alteration or reconstruction of the Ditch or ►V utilities shall be accomplished in a way that the private improvements existing in the Right of Way, if any, shall not be disturbed or damaged and will be promptly repaired and replaced in as good a condition as they were immediately before the property was entered into by the Grantee exercising such rights. Nothing in this Agreement is intended to create any right in favor of Grantee to construct or install any utilities or other improvements in the Right of Way without the prior written consent of Grantor. Grantor shall have the right to fully use and enjoy the Right of Way, including the right to use the surface of the Right of Way so long as such use does not interfere with the rights granted herein to Grantee. The easements and covenants set forth in this Agreement shall be covenants running with the land and shall be binding on Grantor, its successors, heirs and assignees. Grantor covenants and warrants to Grantee it is the lawful owner of the property described in Exhibit attached, and has good and lawful right to execute and deliver his Agreement. Grantor agrees Grantee may 1650/054:7/12/94 -1- RIV-EASE.NE4 IXG '�b `� QUIRED /Iii42 TRANSPMERICACTCIRTLE INSURANCE OF C Co.Records Olvision 320 108TH AVE.NE CO. • P.O.BOX 1493 — By Deputy BELLEVUE,WA 98009 • TRANSA,i!ERica assign its rights under this Agreement to the City of Renton, a municipal corporation of King County, Washington. The easements and covenants of this Agreement shall not be affected in any manner by the doctrine of merger or otherwise if now or hereafter Parcel I and Parcel II are owned by the same person or entity. Grantee shall indemnify, defend and hold harmless Grantor from and against any and all claims of liability, any injury or death to any person or damage to any property arising from or out of any activity, work or thing done, permitted or suffered by Grantees, its agents, guests, tenants, contractors or invitees, in or about the Right of Way or the Ditch. The foregoing indemnity shall include all reasonable costs and attorneys' fees and expenses incurred in defense of any such claim or any action or proceeding brought thereon. The foregoing indemnity specifically covers actions brought by Grantee's own employees. Notwithstanding the foregoing, if losses, liabilities, damages, liens, costs and expenses so arising are caused by the concurrent negligence of both Grantor and Grantee, or their respective employees, agents, invitees or licensees, Grantee shall be obligated to indemnify • Grantor only to the extent of Grantee's own negligence or that of its officers, agents, employees, tenants, guests or invitees. Dated as of the day and year first written above. C GRANTOR: CD rl RIVERTECH ASSOCIATES LIIMITED PARTNERSHIP, a Washington lim' d artnership O By Dav d M. Schuman, Managing Tr General Partner • 01 By: GLENVILLE REALTY CORPORATION, a Delaware corporation, General Partner By D Its Ur2 GRANTEE: FIRST CITY WASHINGTON, INC. , a Washington • corporate By • It • By Its DEAN R.ERICKS VICE PRESIDENT 1650/054:7/12/94 -2- RIV-EASE.NE4 ABASSE/fCJ/RIVERTEC • • Clld/1 Dl: • 1MARREA• ter CONSENT OF MORTGAGEE: \ , /"�„ j1 The undersigned, eing the current beneficiary of that certain /y Deed of Trust dated , , recorded in the real property records of King County, Washington under Recording No.914071514 8811151498 F-ac modifiod b}--#natrnsaente—recorded in tho aL J r CO, n hereby consents to the foregoing agreements, easements and covenants. KEARN4 STREET REAL ESTATE COMPANY, L.P. , a Delaware limited partnership By: KS Corporation, a Delaware corporation, General Partner By (s's `e Its PrQS,d71):1/47"d'iE!!;: 4', ' • 0 • • 0 1650/054:7/12/94 -3- RIV-EASE-WEA ABASSE/FCY/RIVERIEC • • Fft : 1RAN'A ,RICA • • ./w it. • STATE OF � ) ) ss. COUNTY OF 'C� ) On this /7w` day of ! , 1994, before me, a Notary Public in and for the State fj ',�{ , duly commissioned and sworn, personally appeared DAVID M. SCHUMAN, to me known to be the -ma-sag- - general partner of RIVERTECH ASSOCIATES LIMITED PARTNERSHIP, the limited partnership named in and which executed the foregoing instrument; and he acknowledged to me that he signed the same as the free and voluntary act and deed of said limited partnership for the uses and purposes therein mentioned. I certify that I know or have satisfactory evidence that the person appearing before me and making this acknowledgment is the person whose true signature appears on this document. WITNESS my hand and offici 1 seal the day and year in this certificate above written. sssssss � 1(440 ee0 •'gg1� B� Signature �i. `$OIAR:!` F tic,.n�Zel( c� —•_ Print Name• tn�:, PUBLIC jZ N T Y UBLIC in and for the State of 0.0. •� , residing at 8 f(._,/ �v - 11,V'=T t. .. y co ission expires: /0-/5-47 *j WASY100� O N O .-1 1650/05A:7/12/94 -4- RIV-EASE.NE4 ABASSE/FCWRIVERTEC • FUIrn 5:MST STATE OF CB N? ) ) ss. COUNTY OF t}(RhL�C�, ) • On this day of ci-^)'D , 1994, before me, a Notary Public in and for the State of &AN , duly commissioned and sworn, personally appeared $- t -T.Scii_AeTire, of Glenville Realty Corporation, a Delaware corporation, to me known to be a General Partner of RIVERTECH ASSOCIATES LIMITED PARTNERSHIP, the partnership named in and which executed the foregoing instrument; and he/she acknowledged to me that he/she signed the same as the free and voluntary act and deed of said partnership for the uses and purposes therein mentioned. . I certify that I know or have satisfactory evidence that the person appearing before me and making this acknowledgment is the person whose true signature appears on this document. WITNESS my hand and official seal the day and year in this certificate above written. Signature ti L.) ' /hoz, ,(le--u( • Print Naar N TARY UBLIC in and for h State of NL , residing at O -My commission expires ; 9,4 ) •-V • 04 f. .- • • get j:. • 1650/054:7/12/94 -5- RIV-EASE.NE4 ASASSE/FCW/RIVERTEC • • III.fU U1. TRA NSI ff1CA 1 I; • • STATE OF WASHINGTON ss. COUNTY OF ) On this /7'4 day of , 1994, before me, a Notary Public in and for the State f ashington, duly commissioned and sworn, personally appeared ki....% ✓. P and AZ2., P- to me known to be the and respectively, of FIRST CITY WASHINGTON, INC., the corporation named in and which executed the foregoing instrument; and they acknowledged to me that they signed the same as the free and voluntary act and deed of said corporation for the uses and purposes therein mentioned. I certify that I know or have satisfactory evidence that the persons appearing before me and making this acknowledgment are the persons whose true signatures appear on this document. WITNESS Nizo w�,.and 'official seal the day and year in this certificate ,ata ��A144ten. ( NOTE s if % � • 'ni ZON � Y PUBLIC in and for the St te of '•..,-WAS, shington, residing at My commission expires 0 In '-1 1650/054:7/12/94 -6- R!V-EASE.RE4 ABASSE/FCL/RPVERTEC CALIFORNIA ALL-PURPOSE ACKNOWLEDGMENT No 51 SO momom-I -�p( R OPTIONAL SECTION m State of CAI; CAPACITY CLAIMED BY SIGNER County of 1-0 S e 5Though m does require the Notary fill In the data below,doing so may pro On,; - O -n \ k a _ Invaluable to persons retying on the v _1 before me, �J y �n� OF F-t" ? �kar P.� �� �- . INDIVIDUAL DATE AkrE.TITLE OFFICER-E. DOE.NOT Y PUBLIC �L�T� CORPORATE OFFICER(S) � personally appeared J E�tY P� r;kNP il d— l R NAr1Ef )OF SIGNERtS)S) • TrTLE151 [4ersonally known to me-OR-❑proved to me on the basis of satisfactory evidence ❑PARTNER(S) El LIMITED to be the person(s) whose name(s)ie/are 0 GENERAL subscribed to the within instrument and ac- ❑ATTORNEY-IN-FACT • knowledged to me that hchhe/they executed 0 TRUSTEE(S) the same in hia/•her/their authorized rnLi GUARDIAN/CONSERVATOR t capacities), and that by hielher/their j • • VIRGINA BARBA l signature(s)on the instrument the person(s), OTHER' LAAPA.010175E6 or the entity upon behalf of which the • stria A+� Notary —C a too AN68.N6ELE3 COUNTY m person(s)acted,executed the instrument. �_ r�1Comm.Expires OCT 17.1977 SIGNER IS REPRESENTING: WITNESS my hand and official seal. NAIAE OF PERS OS)OR ENTT YIIES) [`/`/�p�)/1 ONATURE OF NOTARY �� PTIONAL SECTION THIS CERTIFICATE MUST BE ATTACHED TO TITLE OR TYPE OF DOCUMENT THE DOCUMENT DESCRIBED AT RIGHT: NUMBER OF PAGES DATE OF DOCUMENT Though the data requested here Is not required by law, - " r It could prevent fraudulent reanac rrrent of nits term. SIGNER(S)OTHER THAN NAMED ABOVE c1993 NATIONAL NOTARY ASSOCIATION-8238 Remmet Ave..P.O.Boo 7184•Canoga Park.CA 91309-718A C J 4 II',• ♦r JCJ 1"l C, 1650/054:7/12/94 -7- RIV-EASE-REG ABASSE/FCL/RIVERTEC • i1 �.kF�TA TIT • 4, / EXHIBIT A • Legal Description of Parcel I • Order No. 862421 LEGAL DESCRIPTION: THAT PORTION OF THE SOUTHEAST 1/4 OF SECTION 13, TOWNSHIP 23 NORTH, RANGE 4 EAST W.M. AND THE SOUTHWEST 1/4 OF SECTION 18, TOWNSHIP 23 NORTH, RANGE 5 EAST W.M., DESCRIBED AS FOLLOWS: BEGINNING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST 1/4 WITH THE NORTH LINE OF THE SOUTH 650.00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CENTER, AS PER PLAT • RECORDED.IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, RECORDS OF KING COUNTY; • • THENCE NORTH 88 DEGREES 15 MINUTES 00 SECONDS WEST ALONG SAID NORTH LINE 1099.78 FEET; THENCE NORTH O11DEGREES 45 MINUTES 00 SECONDS EAST 418.89 FEET TO A POINT ON L'Hb SOUTHERLY LINE OF THE CHICAGO, MILWAUKEE, ST. PAUL AND • PACIFIC RAILROAD RIGHT-OF-WAY SAID POINT BEING ON A CURVE WITH A RADIUS OF 1005.37 FEET, THE RADIUS OF WHICH BEARS NORTH 38 DEGREES 15 MINUTES 05 SECONDS EAST; THENCE SOUTHEASTERLY ALONG SAID CURVE AND SOUTHERLY LINE 346.30 FEET; THENCE SOUTH 71 DEGREES 29 MINUTES 03 SECONDS EAST ALONG SAID • SOUTHERLY LINE 912.08 FEET TO THE NORTH LINE OF THE SOUTH 650.00 FEET OF THE SOUTHWEST 1/4 OF THE SOUTHWEST 1/4 OF SAID SECTION 18; THENCE NORTH 89 DEGREES 10 MINUTES 25 SECONDS WEST ALONG SAID NORTH OO LINE 81.57 FEET TO THE POINT OF BEGINNING; • .4 SITUATE IN THE CITY OF RENTON, COUNTY OF KING, STATE OF WASHINGTON. 04 CD Tr CI • • • • �p�•�+Cili�al B : 4 • EXHIBIT B BUSH. ROED & HITCHINGS- INC. / , DRAINAGE EASEHENT DESCRIPTION THAT PORTION OF THE SOUTHEAST QUARTER OF SECTION 13, TOWNSHIP 23 NORTH, RANGE 4 EAST, W.M., IN KING COUNTY, WASHINGTON, DESCRIBED AS FOLLOWS: COMMENCING AT THE INTERSECTION OF THE EAST LINE OF SAID SOUTHEAST QUARTER WITH THE NORTH LINE OF THE SOUTH 650.00 FEET THEREOF, SAID NORTH LINE BEING ALSO THE NORTH LINE OF WASHINGTON TECHNICAL CE.`ITER AS RECORDED IN VOLUME 122 OF PLATS, PAGES 98 THROUGH 102, • RECORDS OF SAID COUNTY; THENCE NORTH 88°15'00" WEST ALONG SAID NORTH LINE 1099.78 FEET TO rah TRUE POINT OF BEGINNING; THENCE NORTH 88°15'00" WEST ALONG SAID NORTH LINE 526.73 FEET; THENCE NORTH 01.'45'00" EAST 40.00 FEET; THENCE SOUTH 88°15'00" EAST 526.73 FEET TO A POINT WHICH BEARS • NORTH 01°45'00" EAST FROM rut. TRUE POINT OF BEGINNING; THENCE SOUTH 01°45'00" WEST 40.00 FEET TO THE TRUE POINT OF BEGINNING. CD .4 SITUATE IN THE CITY OF RENTON, KING COUNTY, WASHINGTON. In . ,O A �� f,IC FIRST CITY OF WASHINGTON, INC. .� BLACKRIVER CORPORATE PARR ' - .* 6QeW ~4CO4- r" WILLE M A. HICKOK, P.L.S. CI j T �? BRH JOB NO. 93033/SUR57B — �_ fg ��i S' FEBRUARY 22, 1993 ^r\�Rc::r_ �4 A L Lkto lt{ Dzrracs win `� 2 zZ-1 • 1of 2 • • ' F1171-BY: _ . - TRAN9P.111 It I., -^ WCI 9410251100 > . a SCALE I I° = 60' ' 1 hi In W U, g w toZ I ,�________ S 88 15 00 E 526.73 ° Z y-- N 88° 15'00"W 526.73' - u,,.,`.I,099.78-. o NORTH LINE , SOUTH 650 r, S.E. 1/4 ,SEC.13-23-4 / "`� 'NIT.P.O.B J .._y u.z-ttu..t¢ccmc • 01., , n. irk }I 4" ' DRAINAGE EASEMENT SKETCH FOR : 1 ; 4P. a FIRST CITY OF WASHINGTON , INC. ' ' BLACKRIVER CORPORATE PARK • ::::::..i..,.,_.•;.:4,1 t1/' Z-Zt,-9 ' B.R.H.JOB NO. 93033.00 DATE:FEB.,1993 ISH,ROED &HITCHINGS INC. VE 1l-ENGINEERS$LAND SUR '/ORS • g . i• . • I 0 rf. 1ur _ ♦ 1'1 -12/5 ( (,) ) • PRELIMINARY STORM DRAINAGE REPORT FOR BLACKRIVER RIVERTECH LOCATED AT 7XX POWELL AVENUE SW RENTON, WA LOPMENT PLANNING FOR DE CO OF RENTON BLACKRIVER RIVERTECH, LLC. MG 2 6 '999 RECEIVED BY PEDRO DEGUZMAN, P.E. BUSH, ROED & HITCHINGS, INC. 2009 MINOR AVENUE EAST SEATTLE, WA 98102 (206) 323-4144 O F Wash BRH JOB NO. 99196.00 44` �° t. DATE: August 5, 1999 , • ',f• '' .EXPIRES 6/11/ 00 TABLE OF CONTENTS Page Project Overview 1 Core Requirements 2 Special Requirements 3 T!R Worksheet 4 Storm Drainage Calculations 6 Appendix A. Drainage Maps PROJECT OVERVIEW The project site is located at 7XX Powell Avenue SW in Renton, Washington. The 5.0 acre site is currently undeveloped except for a paved access road to the existing Rivertech I development to the west_ The existing surface consists of dense shrubs and trees. The site is generally flat with storm ditches and wetlands within the northern half of the site. The proposed Rivertech development consists of a new 13,000 4V- s.f. building with associated parking, landscaping and utilities. Approximately 0.75 acres of new impervious area is proposed. The existing dense shrubs and trees will be removed within the project limits. A 25' min. and 50' avg. setback will be provided between the existing wetlands and the proposed new building and paving. Approximately 840 s.f. of wetlands will be filled, but is within the 10%threshold of wetland removal, per NWP Permit#1999-4-0044. Detention will not be provided at noted within the following Core Requirement#3. Water quality will be provided via a baffle oil/water separator before discharge into the existing biofiltration swale previously designed for this development along the south property line. Erosion and sedimentation control measures will be implemented during construction activities per City standards. The following sections address the projects compliance with the storm drainage Core and Special Requirements as outlined by the City of Renton. 1 • CORE REQUIREMENTS 1,1 Discharge at a Natural Location The proposed drainage system discharges to the natural site discharge location. An existing ditch within the western portion of the site conveys runoff from properties upstream of the site, including approximately 4.0 acres developed area from the adjacent Rivertech I site to the west. Runoff from the site and upstream properties is collected by an on-site ditch which outlets into an existing 8n dia. storm drain which discharges into an existing 36" dia. culvert along the south property line. This culvert outlets westerly into the existing biofiltration drainage ditch along the south property line of this development and ultimately reaches a fore-bay of the P-1 channel. 2) Off-Site Analysis Runoff from the site and upstream properties is collected by an on-site ditch which outlets into an existing 8" dia. storm drain which discharges into an existing 36' dia. culvert along the south property line. This culvert outlets westerly into the existing biofiltration drainage ditch along the south property line of this development and ultimately reaches a fore-bay of the P-1 channel. The P-1 channel is ultimately pumped by the City of Renton to Green River. 3) Runoff Control The property is part of the original Black River Corporate Park Plat. According to the plat agreements (as discussed with Michael Dodson of the City of Renton Engineering Dept.), storm drainage from the plat property would be discharged undetained into local surface ditches which outlet into a fore-bay of the downstream P-1 channel. The P-1 channel is ultimately pumped to the Green River. A baffle oil/water separator is proposed to treat runoff prior to discharge from the site, 4) Conveyance System All storm conveyance pipe will be sized to accommodate a 25yr/24hr storm event. 5) Temporary Erosion and Sedimentation Control Erosion control measures such as perimeter filter fabric fencing, quarry spell construction entrances, interceptor ditches, sediment traps, etc., will be provided according to City requirements. 6) Maintenance and Operation Maintenance and operation requirements for the permanent storm drainage facilities will be provided with the final construction documents. 7) Bonds and Liability Bonds and Liability requirements will be addressed during the final permit process. 2 SPECIAL REQUIREMENTS 1) Critical Drainage Areas The project is not within a City designated critical drainage area. 2) Compliance with an Existing Master Drainage Plan There is no known Master Drainage Plan for this project although the proposed drainage system complies with the intentions of the original Blackriver Plat. 3) Conditions RequirinQa Master Drainage Plan There is no known Master Drainage Plan for this project. 4) Adopted Basin or Community Plans The project is not within an Adopted or Community Plan. 5) Special Water Quality Controls Since the proposed impervious area subjected to vehicle traffic is less than one acre, special water quality controls do not apply. 6) Coalescing Plate Oil/Water Separators The project proposes to use a coalescing plate oil/water separator for water quality control per Section 3 of the Core Requirements. The project does not propose petroleum storage or transfer, high vehicular use (>2500 trips/day) or heavy equipment use, storage or maintenance. 7) Closed Depressions The project is not within a closed depression. 8) Use of Lakes. Wetlands or Closed Depressions for Peak Rate Runoff Control Detention and peak rate runoff control is not required as discussed in Section 3 of the Core Requirements. 9) Delineation of the 100 Year Floodplain According to the 1995 FEMA (provided within Appendix A), the site is within the 100yr floodplain (EL=15.0). Our proposed finished floor elevation has been set at 16.00 (1.0' above the FEMA flood elevation). 10) Flood Protection Facilities for Type 1 and 2 Streams The project does not contain or abut a Class 1 or 2 stream. 11) Geotechnical Analysis and Report Although a geotechnical analysis and report is not required according to threshold criteria identified within the section, a general soils analysis will be provided with the construction documents. 121 Soils Analysis and Report A general soils analysis will be provided with the construction documents. 3 Pagel oft King County Building and Land Development Division TECHNICAL. INFORMATION REPORT (TIR) WORKSHEET PART 1 PROJECT OWNER AND PART 2 PROJECT LOCATION • PROJECT ENGINEER : AND.DESCRIPTIOri • r•Y ' . • do- rWo;, Project Cwner=sokt,..PER N4f4T14l 4n.? T ►r lc., Project Name 12-1 Jig►L'ruc Address -7oo Sh /c-►E -(oo SEh icM Location Phone (-tot.) RZ"Z•3 Township 2� Project Engineer p 2.ca p>r Goo z. Range l Company t 51-t, kttTc-+t'a�S+irlt-, Section Project Size 5•0 AC Address Phone -!!4 ►r'a(1.•• -•- • Upstream Drainage Basin Size AC •PART 3 TYPE OF PERMIT APPLICATION. PA'RT.4. OTHER PERMITS .• .'. .' ' • • ' EJ Subdivision n DOF/G HPA 71 Shoreline Management El Short Subdivision il COE 404 El Rockery El Grading CI DOE Dam Safety El Structural Vaults 17 ,1 Commercial f1 FEMA Floodplain U Other Lj Other • E] COE Wetlands L.V.1 HPA PART 5 SITE COMMUNITY AND DRAINAGE BASIN • • • • Community •RN�ts_r•-) Drainage Basin BC 44- r2_` C at— 1511-5/^/ • PART 6 SITE CHARACTERISTICS ' • • • • • 1`1 River Floodplain FWo0pc,0970 _(EL-=15,o) C1 Stream _ Eg- Wetlands I 1 Critical Stream Reach El Seeps/Springs l 1 Depressions/Swales (_ I High Groundwater Table © Lake j J. Groundwater Recharge (QPS7Pt,e7t•rv+ of /ZECHf1t6� U Steep Slopes - 1 I Other • El Lakeside/Eresion Hazard PART.? SOIL P Soil T e Slopes Erosion Potential Erosive Velocities Lou,) i �?-w Y35tu'�( I 1 Additional Sheets Attatched 1/90 4A • Page 2 of 2 King County Building and Land Development Division TECHNICAL INFORMATION REPORT (TIR) WORKSHEET PART 8 DEVELOPMENT LIMITATIONS REFERENCE LIMITATION/SITE CONSTRAINT Ch.4-Downstream Analysis A/1X} I 1 I I ll I I I I J J Additional Sheets Attatched PART 9 ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS DURING CONSTRUCTION FOLLOWING CONSTRUCTION Sedimentation Facilities 21 Stabilize Exposed Surface Stabilized Construction Entrance .. Remove and Restore Temporary ESC Facilities I,.>1 Perimeter Runoff Control Clean and Remove All Silt and Debris 0 Clearing and Grading Restrictions ' Ensure Operation of Permanent Facilities I>4 Cover Practices Eg2 Flag Limits of NGPES l>Q Construction Sequence I I Other I I Other PART 10 SURFACE WATER SYSTEM r &1 t,J4 4 a •� I Grass Lined Channel I i Tank I I Infiltration Method of Analysis l4 Pipe System 0 Vault I I Depression �f3UN I Open Channel I J Energy Dissapator ( 1 Flow Dispersal Compensation/Mitigation I I Dry Pond I I Wetland I I Waiver of Eliminated Site Storage I I Wet Pond J I Stream I I Regional Detention Brief Description of System Operation CP(10,1 $?6t Cou- LO .) of PA*icr (LJrJUFt%, et6JUE'KArc P I P i e(s Aio 7A7"rvi art' ✓l 4 OIL./u.J4're.t. Ce714.2.4 7O/L, D/51/.64+r-4 g TO t ocAc, DITCH. Facility Related Site Limitations I I Additional Sheets Attatched Reference Facility Limitation PART 11 STRUCTURAL ANALYSIS PART 12 EASEMENTS/TRACTS (May require special structural review) Ind Drainage Easement I I Cast in Place Vault 0 Other I I Access Easement I Retaining Wall I ) Native Growth Protection Easement I I Rockery>4'High I I Tract I Structural on Steep Slope I I Other PART 14 SIGNATURE OF PROFESSIONAL ENGINEER i I or a civil engineer under my supervision have visited the site. Actual site conditions as observed were incorporated into this worksheet and the attatchments. To the best of my knowledge the information provided here is accurate. scv 4B PePfio PE 1,90 STORMWATER HYDROGRAPH DATA Project Name: Rivertech II By: P.A.D. Project Number: 99196.00 Date: 8/4/99 . DRAINAGE CRITERIA: City of Renton RAINFALL METHOD: Santa Barbara Unit Hydrograph (SBUH) Step 1)Site Data 1) General characteristics: ........................._.... .. .._.___..._...._..._...._ Basin 1 of 1 Soil type Development type commercial Soil Group C Size(ac.) 5,00 Existing surface dense shrubs, trees, wetlands Location Renton, WA Sensitive areas yes Detention/Retention N/A bypass flows no 2) Precipitation (24hr): 2-yr 2.0 in 10-yr 2.9 in 100-yr 3.9 in 3) Pre-developed characteristics: Pervious acres 4.76 acres CN = 83 forest _ __ 0.00 acres CN = 0 pasture 4.76 acres CN = 83 lawn 0.00 acres CN = 0 Impervious acres 0.24 acres CN = 98 .................................... . . .... ....... ....... . pavement/roof • 0.24 acres CN = 98 Time of concentration: surface type length (ft) slope(ft/ft) "n/k"value time(min) (6.0 minutes min.) DENSE BRUSH 0 0.000 0:00 #DIV/0! SWALE 0 0.000 0.00 #DIV/0! total = #DIV/0! 3) Developed characteristics: USE 50.0 MINUTES Pervious acres 4.00 acres CN = 83.09 forest 0.00 acres CN = 0 pasture 3.88 acres CN = 83 lawn 0.12 acres CN = 86 Impervious acres: 1.00 acres CN = 98 pavement/roof 1.00acres CN = 98 Time of concentration: surface type length (ft) slope(ft/ft) "n/k"value time(min) (6.0 minutes min.) 0 0.000 0.00 #DIV/0! 0 0.000 0.00 #DIV/0! total = #DIV/0! Step 2) Hydrograph Results USE 6.0 MINUTES 1) Pre-developed site discarges: Exist. runoff, 2-yr 0.43 cfs Exist. runoff, 10-yr 0.96 cfs Exist. runoff, 100-yr 1.64 cfs Step 3) Developed stormwater discharge criteria Due to previous storm drainage agreements with the City of Renton, no detention/retention is required. 5 8/5/99 10: 32 : 14 am Bush, Roed & Hitchings, Inc page 1 RIVERTECH II S:\WORKS4\99196.BSN by: PAD BASIN SUMMARY BASIN ID: 100e NAME: 100yr existing SBUH METHODOLOGY TOTAL AREA • 5. 00 Acres BASEFLOWS: 0. 00 cfs RAINFALL TYPE • KC24HR PERV IMP PRECIPITATION • 3 .90 inches AREA. . : 4 . 76 Acres 0 . 24 Acres TIME INTERVAL • 10 . 00 min CN • 83 . 00 98 .00 TC • 50.00 min 6. 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 1.64 cfs VOL: 0.95 Ac-ft TIME: 480 min BASIN ID: 10e NAME: 10yr existing SBUH METHODOLOGY TOTAL AREA • 5.00 Acres BASEFLOWS: 0 .00 cfs RAINFALL TYPE • KC24HR PERV IMP PRECIPITATION • 2 .90 inches AREA. . : 4. 76 Acres 0 . 24 Acres TIME INTERVAL • 10. 00 min CN • 83 .00 98 .00 TC • 50. 00 min 6. 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0. 96 cfs VOL: 0. 60 Ac-ft TIME: 480 min BASIN ID: 2e NAME: 2yr existing SBUH METHODOLOGY TOTAL AREA • 5. 00 Acres BASEFLOWS: 0.00 cfs RAINFALL TYPE • KC24HR PERV IMP PRECIPITATION • 2 . 00 inches AREA. . : 4 . 76 Acres 0 . 24 Acres TIME INTERVAL • 10. 00 min CN • 83 . 00 98 .00 TC • 50. 00 min 6 .00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0.43 cfs VOL: 0. 31 Ac-ft TIME: 480 min 6 8/5/99 10 : 32 : 48 am Bush, Roed & Hitchings, Inc page 1 RIVERTECH II S:\WORKS4\99196 .BSN by: PAD BASIN SUMMARY BASIN ID: 100d NAME: 100yr developed SBUH METHODOLOGY TOTAL AREA • 5 .00 Acres BASEFLOWS: 0.00 cfs RAINFALL TYPE • KC24HR PERV IMP PRECIPITATION • 3 . 90 inches AREA. . : 4 .00 Acres 1 .00 Acres TIME INTERVAL • 10. 00 min CN • 83 .00 98 .00 TC • 50 .00 min 6 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 2 .13 cfs VOL: 1. 04 Ac-ft TIME: 480 min BASIN ID: 10d NAME: 10yr developed SBUH METHODOLOGY TOTAL AREA • 5.00 Acres BASEFLOWS: 0 .00 cfs RAINFALL TYPE • KC24HR PERV IMP PRECIPITATION • 2 .90 inches AREA. . : 4 .00 Acres 1 .00 Acres TIME INTERVAL • 10 . 00 min CN • 83 .00 98 .00 TC • 50 . 00 min 6. 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 1 . 36 cfs VOL: 0 .68 Ac-ft TIME: 480 min BASIN ID: 2d NAME: 2yr developed SBUH METHODOLOGY TOTAL AREA • 5 .00 Acres BASEFLOWS: 0 . 00 cfs RAINFALL TYPE • KC24HR PERV IMP PRECIPITATION • 2 .00 inches AREA. . : 4 .00 Acres 1 . 00 Acres TIME INTERVAL • 10 . 00 min CN • 83 .00 98 .00 TC • 50 .00 min 6. 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0.73 cfs VOL: 0. 38 Ac-ft TIME: 480 min 50\L. . GR---.,PS KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL (2) CN values can be area weighted when they apply to pervious areas of similar CN's (within 20 CN points). However, high CN areas should not be combined with low CN areas (unless the low CN areas are less than 15% of the subbasin). In this case, separate hydrographs should be generated and summed to form one hydrograph. FIGURE 3.5.2A HYDROLOGIC SOIL GROUP OF THE SOILS IN KING COUNTY HYDROLOGIC HYDROLOGIC SOIL GROUP GROUP* SOIL GROUP GROUP* Alderwood C Orcas Peat D Arents, Alderwood Material C Oridia D Arents, Everett Material B Ovall C Beausite C Pilchuck -C Bellingham D Puget D Briscot D Puyallup B Buckley D Ragnar B Coastal Beaches Variable Renton D Earimont Silt Loam D Riverwash Variable Edgewick C Salal C Everett A/B 'Sammamish D Indianola A Seattle D Kitsap C Shacar D Klaus C Si Silt C Mixed Alluvial Land Variable Snohomish D Neilton A Sultan C Newberg B Tukwila D Nooksack C Urban Variable Normal Sandy Loam D Woodinville D HYDROLOGIC SOIL GROUP CLASSIFICATIONS A. (Low runoff potential). Soils having high infiltration rates, even when thoroughly wetted, and consisting chiefly of deep, well-to-excessively drained sands or gravels. These soils have a high rate of water transmission. B. (Moderately low runoff potential). Soils having moderate infiltration rates when thoroughly wetted, and consisting chiefly of moderately fine to moderately coarse textures. These soils have a moderate rate of water transmission. CC. (Moderately high runoff potential). Soils having slow infiltration rates when thoroughly wetted, and consisting chiefly of soils with a layer that impedes downward movement of water, or soils with moderately fine to fine textures. These soils have a slow rate of water transmission. D. (High runoff potential). Soils having very slow infiltration rates when thoroughly wetted and consisting chiefly of clay soils with a high swelling potential, soils with a permanent high water table, soils with a hardpan or clay layer at or near the surface, and shallow soils over nearly impervious material. These soils have a very slow rate of water transmission. * From SCS, TR-55, Second Edition, June 1986, Exhibit A-1. Revisions made from SCS, Soil Interpretation Record, Form #5, September 1988. *' 3.5.2-2 11/92 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TABLE 3.5.2B SCS WESTERN WASHINGTON RUNOFF CURVE NUMBERS SCS WESTERN WASHINGTON RUNOFF CURVE NUMBERS (Published by SCS in 1982) Runoff curve numbers for selected agricultural, suburban and urban land use for Type 1A rainfall distribution, 24-hour storm duration. CURVE NUMBERS BY HYDROLOGIC SO GROUP LAND USE DESCRIPTION A B p D Cultivated land(1): winter condition 86 91 94 95 Mountain open areas: low growing brush and grasslands 74 82 89 92 Meadow or pasture: 65 78 85 89 Wood or forest land: undisturbed or older second growth 42 64 76 81 Wood or forest land: young second growth or brush 55 72 81 86 Orchard: with cover crop 81 88 92 94 Open spaces, lawns, parks, golf courses, cemeteries, landscaping. good condition: grass cover on 75% or more of the area 68 80 86 90 fair condition: grass cover on 50% to 75% of the area 77 85 90 92 Gravel roads and parking lots 76 85 89 91 Dirt roads and parking lots 72 82 87 89 Impervious surfaces, pavement, roofs, etc. 98 98 98 98 Open water bodies: lakes, wetlands, ponds, etc. 100 100 100 100 Single Family Residential (2) Dwelling Unit/Gross Acre % Impervious (3) 1.0 DU/GA 15 Separate curve number 1.5 DU/GA 20 shall be selected 2.0 DU/GA 25 for pervious and 2.5 DU/GA 30 impervious portion 3.0 DU/GA 34 of the site or basin 3.5 DU/GA 38 4.0 DU/GA 42 4.5 DU/GA 46 5.0 DU/GA 48 5.5 DU/GA 50 6.0 DU/GA 52 6.5 DU/GA 54 7.0 DU/GA 56 Planned unit developments, % impervious condominiums, apartments, must be computed commercial business and industrial areas. (1) For a more detailed description of agricultural land use curve numbers refer to National Engineering Handbook, Section 4, Hydrology, Chapter 9, August 1972. (2) Assumes roof and driveway runoff is directed into street/storm system. (3) The remaining pervious areas (lawn) are considered to be in good condition for these curve numbers. ire 3.5.2-3 i1/92 KING COUNTY. WASHINGTON, SURFACE WATER DESIGN MANUAL FIGURE 3.5.1C 2-YEAR 24-HOUR ISOPLUVIALS ' •V---- ‘051141VAAkiMALP i ' - ' .--•r--- i i".1;:alriti ,,,, 4...Lertc ,i,,,,..Ailigwo vit 1/4 ieto1W OIN-01pUl Vikti : 10 q graiti: Jilitimat-IW - rAwis vemsranow. *Ai, , o Arkgel ,......L.113hAre 8 ' 1\ / .. iilapkifimaltkik4i- • - t / , I�; algi - mo ark �� ; 404‘.;ittookbawslallIkaTilolb 00 ,,a 29 —— ,_ eliii iv*, - - i.AkikomI.Mow i _&. Jo ,,ro,A, • Nq ro•-'l--eI.Ii itrrell.rr .i --- ..v.41,6 rtifia....t .4.1•.... dry / . - ia-mot„,... iptir-ri..zw== .. .40: r_ ,..04,Ni, 1.21'''IN ' 11144.4441=414="raar,....... ._ .- lit, .1:' 4: 1-11'‘ . . 1 t • - laff virer.-1729"azn .atigaijo-- -,. .e.0,. \t' INN% . 41 firlf I 4.%4‘Nwrio i I IV ON - • . riklii*..,‘ Ailk 44 ,.-/ -.ills-VI . 01\ vd\FA0-04V - / \ • - um 4zzittwa, .,,i,-,NA. \ ---' 11111% !i'\- °It Talk,' .‘,. , Ilti ;IN- 00,.144.0,0111.- ..4%ii. ii,t....: ,/, ,t , - - - Nillitt"\-allhAlimkiNIANN , i.,. r-- ‘ wi:fik t*WizettAN-V\ i hi,. . , 1 __._ Aorrisi : Mr: ,_ 1LNIN • 'k•,, , i \ i INN ...I 01 cra4Laidimi Q.fi,clit , i --. ; )-, - % tuthrillal - N. -ilk AI / —,...n tkT4)r. 41'N --- e„ --.4v4.--.1q EtiexilormemilV Aid j *A • - 1i : f ffir 1,eTmIe Nwntirill . r\.\ lvi ►oipri.g w—Ai-,..,,4,._4. I),5t ia-' l,li l 0,.,__1__0 I tiew rt=irAif1ri,u1ot. s.Vi p5Is, iI oi' _, • • swite‘11).4. it ., _ Iv, . cv .____cv. _,_‘. .._._ maimmii % Staiptitiftia A 1.-. 1.--1' , - ir,44 p„. ,,,,..„.,... . ri, /pi 10:1- r ' '. -- (V . k‘,111. d..„ Ai .airsir: , . -- ...40ooft, iitaieggiori. or . • , , 4,— If '1 ' if v `ter . 'I. z.o,N ``' ` `'j 4va LIII � ' . 2-YEAR 24-HOUR PRECIPITATION % i ; it �W ( ,.3.4�" ISOPLUVIALS OF 2-YEAR 24-HOUR �► • ����'�� _ 35 TOTAL PRECIPITATION IN INCHES ti cvliti ���cs, • NT- .,,, 0 1 2 3 4 S 6 7 6 Mies `♦ of of Y t. `, y 1:300.000 3.5.1-8 E 1/90 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL FIGURE 3.5.1E 10-YEAR 24-HOUR ISOPLUVIALS 2y -::Z. --- ----- - --- ---- - - - _-._ .:\ "ItillinktVett WI% A ; . :'' '' ' Er-41 imilipyriry. 21',- ) 24 -a�� i Jit* a Aidike'l 4tJk * *iW .,, .. 2.6 ./ taillfinfp1WRIP•4141 _ Vt-P-N .(5.- 2.7 .; ,11111Wrisx1111,-, 1.4Ulahrite4 \ - - ,'...; / 249 , --t_IttPei?..ltrZ, : VILIbilir0.411) 11* 1 i \ - 1 4ZF:41$1 - 44P"dk1111111 • yi ___/ ...- _. e i FAtikarig*''-: . -4. 0V1101,7 \ man_witiatikh:A01-1 c --- - 3.0 \ "--- :- 11:16.0V, . 01firw-a. 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Al um , k..Asig i .i; lerlir °`-.' ram, - 4E1 pi ii, , -Nsluti .ips rrk 11-0,11414.44,-41J13-10 41‘ t . ., .. , o ; , i .. , , ..=. - ,_ .0 , - _ . ..„ / ( \:'- ' F / '. 011611 4M/rill** - ' \ i= llama kaigallir- 11174ffi - - -- .\- --.__J- • °W irk itisvpr . .r)wil . i 1 onus/ , \ f,_. _._.,., ,..,., w4maiimaL xi_ vir -- --- \.. , ....., pfp a.2 . 411601111 )111 raW , . alp .. -_ \. . r), tti tehnip.0- - .1 It I _Jr , 0 t; . * . i ,,..., r . ` a.is ; IIII �� ' 10-YEAR 24-HOUR PRECIPITATION ' �, r ' mt '� • 3.4� ISOPLUVIALS OF 10-YEAR 24-HOUR re k�� //err ,- - `°°`as TOTAL PRECIPITATION IN INCHES 3O b g' ', �,� 0 1 2 3 4 5 6 7 a Mlles ebJ �' 1+� t 1:300.000 3.5.1-10 3�( 1/90 40 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL FIGURE 3.5.1H 100-YEAR 24-HOUR ISOPLUVIALS 31.I ''./ "al It 4 6 I.MiiAi_i l,ii 3 0ii40 ' w - V r l� dll 4se'93c..,6, :prb441li7r1'-4k..-.g5a..I r 4 Ak_V AtrA1.f r 4I/0,t . 4l-i Ak ' � \ 2i l! aka. -�, -may.Viiirr s ltr1, 4t 4 4‘V tivt1,1 0t 43 ) *- - ',4411011101111katiglina OilliSVIV - I 9 4 ., - ,,, *704 wIritaii***-Iiimmkilic____ _-.0& / 43, .4 . .'' •• NOP:11 rOlORPI ... .:0 t 7 .1 A Ai _ , r ii, to .0,0_,L,,,a04111 _ .,.. s .-1.g.c , _\, ,)‘. ilk. IN 1 ir*t.t, .1.„4,4,,,,0401„,.. .11;„....1,7 v ' 4--ilvivtal . .-. lernerroolvx _vs,1,,,a,, cr., ''. . livi kalka, 1 0 "Ix tht-40 4e.-2010,;-• ,.4 \III, ° VIII "Ti g /1011g‘Okt. ..4411117114104)&4473k- — ,-/ -7--4 imilirst: , -14,i,-4041 1- C; '- •# kg i 4' ' . --ligielr.\ Lii 'vow - - i \A4- 1, )15:4 ; t , I, Plp Ix vi i 1I 11hA1 t1/4.A It \\� 6 11 tI.\ / _ ,ejiii .6 z•1 41 4 ii, I.: as il*. - , 1 ( I. 71 ,---i Ai > . ear Ntilif Tao - .1 t4.,\", 4-- ....„., _- � ilk - . cal' e 1 . .(/ 1 i = illwal It 6T11 N 4 .•,fj .wa 4 6"4: (1 urvv4 4 irga6inf1upiift1ir1.k.i.gA111,1 ,s1t1_.119fAiIi GL /i l i.1.IIPI +\ fit: 1 ' ' f°r:f fallwivirp* h' '4 . 1 t1.,-11 41,10ff Ar - 14); • lk' lik.--i'ii .1 - 14t, ir ity ir . t. - -- :---7.A ' ------ --' IbL 441‘A s. „,.A t (z. ch. 0,cb A42111FACINOT IN 1-YEAR 24-HOUR PRECIPITATIONcl, VIE11• 4IN - 3.4 — ISOPLUVIALS OF 100-YEAR 24-HOUR pc �! - 5.5 TOTAL PRECIPITATION IN INCHES tiv (5� �� 1� 0► •ice" 0 1 2 3 4 5 6 7 a Mlles 3.5.1-13 �4 -. 6 I. 1:300,000 <0• APPENDIX A. DRAINAGE MAPS _.. .....,.....,...., .... „ co 1:3 Ash . .....„,„....... .. :.-„ . th. .st ,, IS»s., s .�....M:v ��_- _ CITY OF RENTON ., :� � ..... .,, �v to • r- n !"„ ^.'`•� : ,r,-' l:�..-`_- IS6-6 -"-._Tr.V•.,;� ., -,.,N,S �` JURI /'�1�.L. r• r- Imo.. F ! '' "` DRAINAGE SYSTEM •,,....v.� ` c i; 7 GJ • .15M6-.' ... � s." .....f4D5=2 -- 'Ti as ISHstn >a -�� ^ v: .♦ .,,, y 4 -t :- LEGEND 2 ., ` ,,..� v w, ,• mo t `^ %,i`!;'QJQ _. hP„'u)9^ -- O"r '1~` lr;5G3-i 11LSQ° :I515-1 ♦.ti 'VS- : '. ;'15 ..13�c5 .�_.. { STORM SEWER LINES •-: I546- :•15:46-11,•,r 156612 .1 ; : ...•--__ ' c `--- }' r ` >ti:- - =�•,�; '-�,,;,,SV DITCH LINES •Coral M "`, :_ < ww--r-, -y,:y _, Q Beacon Mine Co Rd 15.G6-6 t -I, ;: r` f =^: .`. „ -4 '_ zSj✓1 o CATCH BASINS e - i�M��� -' _ - `'.� r i' .----. b- 15116-..;' .. r'••w' © MANHOLES .. : �'' Burling ton ` Y '> �``w a 6w=:U� ARROWS �. .[„, o, ) r 48b 6 B6 �b�� a •. a :. ..... . . as `' DIRECTION Q�J H1 6 1 ` :•1486. K1y1 `"`. O� 5r6-9 •16J6-1 }- ,--. CULVERT CROSSING ..•:-- r 166 . —— —— RENTON CITYUM ITS l V Ga - , L• . ^• -SW Siins"et'1B(' CII w� h 4 `. -_'+ti . 14D7-! \ '4. -p �•. 14D7-8 • • 16.97-5 ,I4D7-7 14D7-. :$141;04C;;INTHICDER"1: _ • ti ct'T� a-. 1487-2 .14D7_i IS ` 1SG8-2 ISHD-6 1488-s - "9-3 1488-1 6•[e• i1NFR y2TDD�rlw A aE T. GUIDACE[Pity THE _Hr ISET E. SYSTE>Z IT 6.$9 z BE LUST D DFt1R�F OR OM D< REN ON Ill S e151M-a _. . Lin. RESpOHSIBI. ISSIOHS, WHEN H y jI -.-• [tiOR►WTIOH IS USE FiH1ST�ORw1T>p� i DESIGNERS za { $idri`n9# ARE TO FIELD VERIFY 6 i i 'r1116 • 15.G8-1; • a,• fir' Q/•:IS}16-1 E9-2 ••�;, 0 0 10 0 800 • :< 15.E8-I • 1 zo,Gz 6:-- '. ....__... .1,.—,,,..^.S-W•M•7 t h-.$.-t. .w„„„ zar+z-+,.M, "1w-s 16..-- .... ;� >::•: .. ' akkesdale Ave SW _... _•3 ?•. �a„z_, z z w....... M _ .._...... . •. 800 ....,cy 0 ,s... ,.. • `•`...- 29f2-z Y'-',..,. / {24cz-11 < 3 i G •ZU2-3 • i • HAL `"^" '?Of2- • • z4rz z .�.• � ♦ P/B/P�Vc SERVICES �" �� /f = • • • '. t cz-Io �• z4cz-9 y Q' �� �,� 09/23 1z1 �` 6 N't 4313 SE 1/4 4.324 NE 1/4 i _ ' ` \ MET"I UNINCORPORATED AREAS I TAT T I. a...N V . Aar. r \` � 530071 r OTHER AREAS ` ---��. I I I I ZONE • P fie:,..,..e 0....r wa wa I 11 Eoala s ,�.. A S wr * < - 1 I Ur1bEVEEORo CO,�STM BT511EPS dal rans.0 Areas 2 • I 12 01 -- DJ\ l W I --� ,____......................f._..............._._.... s I''I [ &1 C..0...ans•ad....Waled n.ia a/"rat la S.. 1 — <,..,.,. ¢\v4-- O I M� w A a..r.T Sfl+00i I .... n-6v ur.• KING COUNTY + ... w.. I AtAtdi Tor. 5 CITY R;91i'ONCITY OF RENTON I -- 513-•----•• �....� srwi.A w k , I • Ise Nara.O.An. Op Op crew sus..u. rs' vow..rows r..... DEL 8M1 .r.I.. iva RM7X 5..sr a.rise*on.. N \ CITY OF REKIOY Errt.*an w. 5300Rf •Iq a..•AN w...u<.,ae.m a.....Nee 97•07'70".37•22.30' A..d... Own d MT.uA TA n.w NOTES , 4 SOOT. \ §3 =Ira.i SWF\ Ins nap e Is.m.AAA*,de Meand 1-0.01 imam.Rapt., lacd o I Tnd.M...w�se. F8 o.sN..aced...s..N.I...;ne..+<•tc N,rJ......*ea J sod.�..*vden a'Mt...A W.s.e.e i..w 3 Am...ea� Nond read P..IIW Ida,.ball.wale&a k At....AO. �........:.s.°I«...M.N.ft.d.wr.w..mw II___d r a.rw.......ar.awn..u..... Mdiant SOUTH tSI STREET A . ..we.. «r TAT •ww.T•.•a FPO•H 1 D•.a.•...nnens ...lig M...wr..w•er rm.....xdr.vr T i / Fi.....r wort A�.w M...rry ss.a.w. �'�'tpp !// 0e ... Rea•..b d coot e... — awi.seer ui...�..o...w P.:.m Aga....wor +� . sS Cada..*es/...w ewes..ea...a tlHM' S.T... Q sanx mIo z9� I g. r�wr worm es...ad*Oa d .,..+e tsar somm..h Amok., .r..e Amok.,M. bcm*..e PIN SO.:M .aln.fig.a....SM.M... 4 IQ Fe,.110,1 N P..w w.r anis word.we ma..a.+. b•M € I a an.r MAP REPOSITORY SOUTH Ns,. .• M. I R.I.b Ra.wMM'!.Hower..Mop a.r S w1 VEC STMEET L I EFFECTS DATE OF \ 4 _``�R-� COUN(rwIDE ROOD MISLPANCE RATE MAP NOM S, - ETfECTTE DATUM OF IEME•N51 TO TFIs PANEL 4 m MRr P g ® .Ma..N.a b.sr.a..M 14 I NOTE:MAP AREA SHOWN ON SHOT PANEL ZONE x 13 .0y'++nsFnT I 2; "'n To.... Idea main ir*noedue se oe.au:'—• IS LOCATED WITHIN TOWNSHIP 23 NORTNAEANGE a' 4 EAST AND TOWNSHIP 33 NOETM•RANGE S EAST CORPORATE UM.ITS f I i I1'I, K, col KT1�- / `"� N.1 RING COUNTY c� \ c I • APPROXIMATE SCALE N FEET UNINCORPORATED AREAS................ ...„;,--- ~ " ,M SDI _ [37Y OP RFNTON R'�Q I ' I , _ i \ 5300S* _� 3 ! /://"7- _ •I if II INTIM MOO OITURAPICE ROWAN . .., N�111lbG • .. -_ - ...... 411 • �� aTATMN '_ - WI/ . _ _ --- _ lalfI FIRM ROOD INSURANCE MRATE 11111f -inci Sit, .. `'or 1 �� KING COUNTY, ZONE z 'WASHINGTON AND / INCORPORATED AREAS \� , O _ v. T M PMEL F rM O F T/2•. 5 � ; ME MAP INDEX FOR PANELS NOT MINTED,G ._ I . . . •.. , ,' • . OQ O ZONE X 2, X I , IAM u sFTa � 1. ..••owvmA.. . 2 JT TN 0 ; 1 530088 m . sPXINGBROOX ' CREEK WO." 1 ONE X \ /VON 111101#1° ‹FAC.00IKNION MASTHIMIER TIEATMEM PIAM © pC^ 3 = a 24 s "s` .pTM smieT �' 53o xes NUMBER F 6 0 \ O O 0 • MAP REVISE v ZONE r O ! / J .7.807•. :�" MAY 16.395 o�aror• _ .�� T77.6ro0- JOP6 PARR Ms OP•.7ro7- - �If.. ` h'��w' I' U ',If:.I,Fedora!Emergency Management Agency .a. al.