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LUA99-187
• • PRELIMINARY PLAT _ + I¢� SHOREWOOD _ FRONTAGE o�as CURB-AM GUTTER 31g1- - PLANTER sRP N.E.24TH STREET RENTON, WASHINGTON =- 5OCYA • 1 - . BEET.5,T.28 N.,R.S E.,W.M. I''\\�� ' LEGEND q 1 II PROPERTY BOUDART N I 4 I 4 1 y� u CITY OF RENTON ZONING INFORMATION r -__-LOT LIE 26 AI 27 {1(1i 28 i 4 ' - . g 6 ZONING R-B NIXtm MDT-OF-WAY I F'I 61I , L o ' , g LOTS 2B 1 I II I I + - ' amino* _ [}m PROPOSED WALK L_____, LL___JII- - J I 1I TOTAL AREA 4.33 AG -__-ROADWAY 6 -I- �__ .II LOT AREA 35 AC(TOTAL PARCEL.5RE NNS STREET R.O.W.) „9R mar 1 �.'-'.1.2r-y. I I ROW AREA O.B5 AG PROPOSED CURB AND GUTTER n A91>Y' ��. - __ s wo>m• PROPOSED DENSITY 28 UNTO/35 ACRES-8 UNTO/ACRE E- --r 1 PROPOSED SIDEWALK 2 n-°'-p2°-16 - I DENSITY PERHTTED 8 LINTS/AC•35 AC-28 IFOTS IMF-r °° Ir 1 BY CODE _ STRUCTURE SETBACK lNC ____11 r __11f -- 11},_• 1y 1 171 ICY LAND N SENSITIVE 0.0 AC-NO SENSITIVE AREAS HAVE BEEN IDENTIFIED PROPOSED 10•STORM I TII III - -- $ -'.I� 6 SCWCR EASEL, 1) AREAS ON SITE. u MANAGE EASMENT(7) . I'la I I.:., 3 81� 24 P I tigl 25 Ir li -I- - J-- LLI -T SHEET INDEX , i I I L -_-t I I gl LTJ - RSHEET DRAWNG � / R$• 2 PP-2 NUM MAP aew.c-_--' /' •• •. u.::�-w / r--- --, - 3 PP-3 TOPOGRAR9C SLIMY I PROPOSED 1' / 14.00 13.00 JX( " 1 PP-1 PRELM2RT'JIE CRAU0 5TOM1 DRAWL,WATER Oro SAOTARV'SEWER . I SIDEWMEASIDI II FOR a ';'', 3 I 1 SDEwa1K arm Immv a _ __-,_ �r \•,. I R / / . 15'moor SETBACK,TAP. G PROPERTY OWNERS L 22 _,/ o tie•• '"' '->„ r--awssY --I Y S: Y r--- -I 1' 1 1 LAFDE 9037 38111 AVE.S.W.,SEATTLE,WA 58126 it / n EASEMENT ED R III I I I I I I�+air- -1-6-PROPOSED PROPOSED IAA.AIIT 191T NL 24111 510201,8811 8 I I -1 / E WS[Mn SDI LI I LI I I I I1 I I AAC°CESSS PRIVATE , 5 MIT.,WA 98056 R I 21 I J 9 8 s ' 7 1 L I 6 4 5 L I 4 L PEA CDT OF WATSON 1925 NZ.21m STREET,RENTON WA 58056I 4 I 1 i1 I pq (o¢�l Lp. aI o L-I'Ais2>r-J -- L_ �.,..,.,u w-J i3 I X DID 9 �Id pr.,,,r„..N,,,,LATOB 15 ___-_ __ 1 99S ii iklPII1-6�060iN-1 PROJECT CONTACTS T "' II811j; 14 I ___ IL____J�L____J J1L____J o R I -,=- sz.zo ,ono I SOLO I I o DLMO$B N(aCCT NANACER L_Ters'T,'r-J I L- ...Aa w--1 { nAn>x[ ,oeo wm' B BLAME PRIER CARL STDROOO,ALL?. _ QQ c MIESTMENT PROPERTCS RCA/MUCTT-ZOILARS T- I Y T Il I I 20•REAR SETBACK,TAP. 5'SIDE SETBACK,TAP. P.O.BOX 618T 814 E.PRE 5T. y (LENT,WA 9806{-0IBT $CATTLE,WA 58122 2 I 19___I J "I 8 I 11 j A VICINITY MAP PRLAGG ENGRREFR PROECT SRRVEYOR -L. w� 2,Z.__ wc. _ WARE/TORRES,PL. BUR PRIGGL P.L.O. r__ __--b'nd�-1 RCA/M.JTT-ZOLLARS RCA/11LITT-ZCLLARS I _ T ". I �m` 831 E PM ST. 221 S.2Bm ST. g I 18 /'/ \ sL 12 $^ �,," s.4 SEATTLE,WA 95122 TACOMA,WA 98102 L i / / I 1 I R •TM Mr. ,.. N. n boE / �>w.,oE0 _...TM „TM,,. LOT AREAS r-"' �I I PROPOSED 6'SIDEWALK 1 Dom' „TM„ 11. AREA AREA NAL LOT AREA AREA MAX.LOT L 17 \ I. - // 13 ` .I.., .. u LOT 6 ASP) CAC) COVERAGE(SF) LOT 6 (SF) (AC) COVIDACC(SF) :. ( $ I �T o 1 5456 0.12 180 17 4331 0.11 2,265 a l��n \ _ / rd >� u _2 3,101 0.12 1p90 1B 1}31 011 2¢65 .6 3 5.913 0.11 2,191 19 3a25 O.I2 1861 .(Q/ice ♦ / • 8,119 0.12 1,802 20 5,32G 012 1664 I��� ,/ - ^`` N F+ 5 5,055 0.12 1765 21 5,364 012 ;BTT •tip_ EP�� 6 5.786 0.13 2,025 22 9,616 0.17 2.666 �' /a \ / J 1 l 5321 0.12 1pW 23 5037 0.12 2,49 I 16 (•'/� _ \ 14 \\ S :::777 B 5,363 012 1.8"E 24 4,800 0.11 2.100 I /gd 15 ? 1 - Pa k 9 5p11 0.13 2,033 _ 258 6023 0.14 2,108 o- ((��'' 9 10 5,200 0.12 1,820 26 +p1B 0.11 2,355 kTI--''Q L. /qq/L._ A\ J R11 ,. 12 5,200 0.12 1820 27 1,612 0.11 2,306 L_ - J N 9r1,'x•( n 9•n>.x.( • _I-- 12 4331 0.10 2X66 28 opoo 0.14 2,111 ,,yT,00 _ o 13 4,670 0.11 2,335 TOTAL 152AT5 350 __-__ ___ _. _ __- - r -_ _ __ m 14 6.773 0.16 2.371 ,�i 15 Sp50 O.1J 1912 L DUMB LOT COVERAGE IS 35L SOz -- -- 5a1 T.wz tav' 1Lco 9 16 6,996 0.16 - 2,48 LOT COVERAGE IS ALLOWED FOR LOTS PROPOSED 10'STORM Jl 5,030 OR LESS PER 1-2-1104 or ORMIACE[d5lCNT • UNION DEVELOPMENT GaDE. LOT LAYOUT ' Q NOT FOR CONSTRUCTION APPROVALS JOB NO. 15-0215-03 D�A/�I I��'1� /�DC` PRELIMINARY PLAT c DATE D 10'14" A COVER SHEET AND DRAWING NO. Ylelana • I' ( t Lj /l /JJL 1I � Investment Properiea.LLC o.�' T,DBB DRAFTED Dee PROPOSED LOT LAYOUT PP-1 bM N•nniq.D.II D 4.489•InllKaP.Ai4A•cSa.Suw/Yq.Fmiam•A91 SrNa 'T 000000A • SaaDabYBlE2 • DMW(29p)1N-541 • Fax 11101128-IB9B 191T AND 1929 NCRNEAST 24111 STREET 5.14 �Y NO* CMCG(CD L �J.a-zeR•.om Rantw,WA 90096 „ •e•10NAL 6fi'� we. scat[ �' SHEET NO. Awl:.cv. 0 20 FEET 1 or 4 1 --- / 3 • -"-'I •� N -2 TH f z S 1' 7 M— •----•—4---- ...5736.83 .85 75 70 r•7, m5./5-i�)2i5 i—r76—r• l00 60 126,5 I 124" 64 I i .---n- 1 i, , n: -f - 5 073.77 - a '\ I O IEP ,I 01 •i S I 1 1�1 , �c (B) a (C) [,v N I 21 a N ,2�9. 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RCA/RUTTY (: DRAFT DD z. Investment NARYPROJECT CT REVIEW SUB 1;�`!.j NEIGHBORHOOD DETAIL MAP PP-2 Land PRELIMINARY PROJECT REV/EW SUBMITTAL l I DRAFTED Tl,}IGW6 _ Planning•CMI EigiroelLq•IaMecepeArdi to ime•Surveying•°Environmental Seeks° \ G07 Gctow CHECKED LWb 11 09 E.Pti a St • Seattle,We 001. • Phone(200321-SSW • Fox 006)]23-1300 sr+'<,- 50A10 1•-200 SHEET NO. eee.FUM-xellanaun Renton,WA R,�" Ma - a CTN "me„+,:w 0 100 00 400 FEET 2 OF 0./ ., LW.ST o' CAD • SECT. 5, T. 23 N., R. 5 E.,I W.M. I 1 Al Q2- - - s Bso)'zo"w u2a.9s' — v `Q _I A _ -v - ��aL p 1 O duw _ _ _ o (JONES AVE TO ABERDEEN AVE)_P I G ��� A` 1 L� ` EDGE OF R.O.W. N.i w I • N.E.24TH STREET lell�j ry n _� 1.• I —� P 2 IP N 89'07'20•E 213.,2' X / I 1. I . I •y 0 t/ tY LEGAL DESCRIPTION 5'4ENCE '• I O I HW�� N LEGEND I u GARAGE �� 0 n \ V EN LIGHT PULL BOX PORTIONS OF TRACT 282 AND 273 OF C.H. \/Ian U. HOUSE VOLUME I OF WASHINCTON E GARDEN OF EDEN I CHAIN LINK L 1 /\ / IT T-H LOOT STANDARD W/ARM DIVISION NO.4 ACCORDING TO PLAT RECORDED IN J/ /} FENCE y -1 / I E VOLUME Il OF PLATS AT PAGE LO,IN KING COUNTY, O SATEl11 0 [? I I N 89'07'20"E - 61 MONUMENT IN CASE WASHWCfON,DESCRIBED AS FOLLOWS:THE FAST 63 x l — '" tIol FEET OF THE NORTH 200 FEET OF TRACT GAT. - DISH'Q I 1 ---.0 . I HOUSE \ 1 102.63' a HUB AND TACK THAT PoRTFNT 60 EET E OF TRACTTOF THE NORTHWEST AT A \ _ OF POI SAID TRACT 262 THENCE SOUR(16JST FEET e- / \ y /\ o PARALLEL W.THE WEST BOUNDARY OF SAID TRACT; IRON APE THENCE FAST 90 FEET PARALLEL WITH THE NORTH ./. O \ `III / /s O PK NAIL /13 UNE OF SAID TRACE THENCE NORM 135 FEET �� f \ I \ \ PARALLEL WITH SAID WEST UNE;THENCE WEST 90 N HOUSE \^ ^� II\\ \ \ \ \ I d RR NATURAL GAS METER FEET TO THE POINT OF BEGINNING. ST \ 5— TRACT 262 EXCEPT THE SOUTH 238.72 FEET o SEP. I y° I \\ \ \ \ 4 POWER POLE WAR DROPLINE THEREOF AND;EXCEPT THAT PORTION OF TRACT 262, ,� TANK it I \ \ I \ DESCRIBED AS FOLLOWS COMMENCING 60 FEET EAST 9>,,m CIIt OF THE NON InNLII CORNER THEREOF;THENCE NORTH \ \ \ \ NI C' POWER POLE WITH DROPLtNE.AND TRANSFORMER SOUTH FOLLOWING THE WEST UNE OF SAID TRACT / G RAG I \ \ I I I I I TL-4 POWER POLE WITH LIGHT 135 FEET;THENCE FOLLOWING THE NORTH LINE OF SAID TRACT 90 FEET;THENCE NORTH FOLLOWING THE WEST UNE OF SAID TRACT 135 FEET 10 THE NORTH 5.5'WOOD /9I • J' I I I \ \ \ I I I O 0• STORM DRAIN CATCH BASIN UNE THEREOF;THENCE WEST ALONG THE NORM UNE p T'i 89'07'20"E FENCE 189.60' / I / I I \ \ \ \ © STORM DRAIN MANHOLE 90 FEET TO NE _ NORTH OO FEET OFMTNEF STERRLNINGOAND LESS FEET THE I I I I I 1 ' I I I I r I I I I I / 3., A I / I I I \ \\\ I OM MAIL WOE THEFEEREOF;THEREOF. AND TRACT 273 EXCEPT THE NORM 200 I I I I I I I I I I I I I III I •� �6, • \ I I I \ \ \ I. I I II l I I\I I\ \ / \ \ I \ I STREE SIGN BASIS OF BEARINGS II/ Il I I \I\I I\ I I I I I I \� 1 \ \ I I \\ \\ \ © SANITARY SEWER MANHOLE —BEPAIHGEAEON-ARE-ARE -ON-ON -0CRY -OF II l I \r l \ _ �,,/ TELEPHONE RISER/PEDISTAL o_ CPS SURVEY CONTROL NETWORK MONUMENTS. �I' / / I I I \ I I I-I] I I �� \�. \ \ \ \ ei �.T CONIFER TREE m I 2 8 2 ),/I11I1/ // / / / / I I I/I/ I e I \ I \ YO` DECIDUOUS TREE m BASIS OF ELEVATION /'// / / / / I I I I 'Il/ \ •4 \ • I I \ I I I I'I CD SHRUB 7 m ELEVATIONS HEREON ARE BASED ON CRY OF RENTON r // / / / / I I I I I I I '2. \ ;P 8 I I I I / I I \ ® TELEVISION JUNCPON BOX 2 5 J D GPS SURVEY 338 OL NETWORK MONUMENTS. J.I I / / / / / I I I I I \ '\ /I / I I I \ I` m BENCHMARK 1334 TOP OF BRASS NAIL SET IN \ ERE HYDRANT Q CONCRETE MONUMENT AT INTERSECTION OF JONES i I I I / / / / / \ \ / / / I / / \ n HOSE BIB Z AVENUE N.E.AND N.E.24TH STREET,ELEVATION= I / \ 0 WATER METER m 244.34 NAGVD 1988 US FOOT. I I'I I I I / / // I II /�-56 / I 'tea 2y2 C UTILITY NOTES HOG WIRE�I I �I I I I \ \ \ I I I I I /^\ �_- i/N 89063'S8 j/2��8'I I I •�/,' IA WATER VALVE 2 I 0 STORM DRAINAGE CATCH BASIN FENCE I NI I I I \ \ \I I I I / 302 �O- Ai 7 . —L NATURAL GAS LINE m TAG/PAT! RIM EL AVERT EL ^. _o 1 1001 300.72 E 12"CONC W4299.Ot IONE 5144299.291I(p��o I I I \ I I I I I l — STORM DRAIN UNE E 62 CCONC 4299.04 I T.I I \ \ I / I I I \ \ " - W— WATER UNE 2 1002 29502 E 12'CAP E.291.27 I I I \ BURIED POWER AREA 3 1024 289.18 E 12"PVC NE4285.53 II \ \ \ \ I I I \3, _-t 4 1582 285.70 E 8?PVCCN4283.70 1I 7\ \ \ \ I I I / I I I �O� TELEPHONE AREA CONTAINED ACRES. DEUNEATED BOUNDARY T• EQUALS 4.35 E e"CMP 5.282.97 I I / I -"'• ,. -P— OVERHEAD POWER UNE STORM DRAINAGE MANHOLE l \\\ \ \ l I I I I // f, —5 SANITARY SEWER LINE I TAG PAT! RIM EL NVERT EL III \\ \ \ \\`WI II I\ \ \��—i -_ PAVEMENT 1 1000 302.65 E 12"PVC N=293.05 I \ \ \ \ \ �\ \ 2 / IN.: CONCRETE E 6"PVC W4293.03 III E 12"CONC NE=296.45 III\\ \ \ \ \ \ \ \\\ \ \// / m I Q 2 1026 28533 E 8"CONE N4281.33 I \ e" \ I I \ \ / USE ENCROACHMENT,AREA BEING USED BY ADJACENT E 12"PVC W4280.55 + — OWNER TO THE NORTH. 0 SANITARY SEWER MANHOLE III\\\ \\\\\\ I I I I I \ `........ �2 A /// ta TAG®PNT/ RIM EL AVERT EL I I\ \ \ \ \ \ I I I I1 I" - — / .—' - • 100.T 29408 E 8"PVC 54285A8 I I \�\ \ \ \ \ \ \\\\`` i/— 32 1017 30196 E 12"PVC W4291.15 .� 3 1025 291.68 E 12"PVC W4282.55 1 2 9 4 E 12"PVC E=282 fit \ \\\ \ \ \\ \``\__` /--- / 4 1350 284J0 E B"PVC N.2T/.7JQ E 8"PVC E�27763 -28G—__ y.- �\\ \ \ \ \ 63o \\\ \\ \\__ \ \zBB �2..._ \\\\3'°� aHN 1 I \ tO �' _ NOT'FOR CONSTRUCTION 4 APPROVALS JOB NO. 15-0275-01 revbge 00 RCA/HUITTZOLIARS PRELIMINARY PLAT "g n• @ DATE CTLeacer TO,TWIT TOPOGRAPHIC SURVEY" D�jAWING NO. DESIGNED r,DM Properies,LLC q DRAFTED DBB AND LEGAL DESCRIPTION mg•CH m I EHIAeer S•Landscape •Survey,.•Em,nlrRNal Senxea r�91 OTT 10:� CHECKED.3Po PORTION OF TRACT 262 AND 273 ' % PP-3 il Land Pr, 8M EPSe St • Seattle,Ya 6522 • P.m(206),314-550U • Fax(206)328-1680 1911 AND 1929 NIXtML 2dTM STRCET y SITE ADDRESS A'' o ...nu,tt-eellonwm Rattan,,WA 98056 1 465 2% .lu SCALE 1540• as ® 1917,1929 NORTHEAST xIm STREET'- SHEET NO. N elm®e-CO-p°d p. Apra.Fw. 0 20 40 80 FEET RENTON,WA 9805G 3 OF 4 a • U • • SECT. 5. T. 23 N., R. 5 E.. W.M. HI CONNECT TO 'SNN<RT I NEW MANIOC[ fll (al i CASTNG MANHOLE .5MER LE.OUTCWJ-29218 / t IE.OCE).29291.a5 yI (�T I�' 11, Al LE.N(E]•29L58 I I it 4 III; - -��i-°; p1 F. P _ tLE 24TH STREET __ "' •, �� L NE.24TR STREET __ —P N=�11 u2 . a s s s=y, ,; •0 - - - s_—•-s_ --i-. -+ -] I '. t£ F 11. �N \� 11 I . rw o i r I PROPOSED . I I I _I_- I l: -T- II �\ , I iW 3015 lANDSGdPE I I .T j I \ %[55 ,ems"�" 4 T 1, I I Q I II fi PVC L-- 1I II,- \ i I i% rL�` I ... ,I 1 _ I ` _—__T OTT USCMANGALLT STABLRCD _ _�_� I �I'�C-F J'\ ,�• I r, I�.,�218 -_L.-_ I I I I I• l L� I , II ,LE.0IT-21B.411 24 25 I I oo ARr SEWERN, P 23 1 24 I' 25 IPP-aoaD I P-oa0 O ` II -I I � Y I ' II 1I I ;I '2 UQ)-1T1.]B;_---J L .F.t•. , II TT77 • J L .C-2 pC-4 pC-2 / 'I V J L // 1 NAnIOLE wio� . 30 �1 \ \s .t ��„ pC-e, I ' N- ? `- • ;,- r� +..1�.m.�ry..r+.+..r► • ,t�rF-'N-- i: 1 I--�--`—— --—-- n NI'1 iIp- PI -' ! " - Id , 3 1\ '' I a M. �-• : IAA 3.00 T� 1 ry i�F 2g1.0 „I p ;, f�\• \I F •-299,, ; I'', I 22 — I 1 3 I 14 / ' ii I,"/� - 9 I I I ~ \I I I \ , I `I '\ I s I 1 IB /1/ 9 I I r ILL N.219.04 I �I 44OO//!. /21'� ;/ r I p j' I ff.pgT.O 8 7 6 `� 4 ,i j I 21 I I I I IL II 28036 I ILE.OUT-2T8.� , I - w 27 TA rr/ - _ II: 'f L J I 17.301.3 I PE-3OLB Fr-Sot.31; ;' .3pOti FF_24T.0I \ 1- J L IL OUT-2002- 8 7 6 5 4 pC-2 ,i r , I I. I ---- -- lI J I1�___ i I 1 �20 ,I I i I\V \,\ 10 j IL____JIL•__,,L r J,L1 r—' 20 1 I 1 I I 10 I ILJIL____JIL____J I L____J IL____J o 1Yl 280.11' FFV2' JJ/ I li I. h 4- Ir'295.3 J ��0 3ob�. I I ��2 J I I I I I I ..I /I I \_ BTW W 29BA jO, U^ , ry^> I'1 rl[MYI1RAMi(-TYPJ I r I I I i i9• ''. \�. I II 11 pE-9 fRnOne NORM3 mI i 19 Ii-11, I 11 I T"I°+e`E�G°RD"PRQEGT EA CUTTING FLANT REA 014 BC CLEARED kTORh. ��; R-2933 J_. I IIAID GRADED.FOLLOWNG CONSTRUCTION THE SAT.V:.. ( li 1-__ ___J TW 3020 GRACING QUANTITIES DESCRIBED BROW ARE ROUGH ESIMARS '(1�PJ, 292 - BW 2990 THAT allE BE MM.DORM fFNL DESIGN.BASED ON THE I L--- WATER MAN J PROJECT STE WILL BE REPLANTED AND _- - 1 1 PE-7 fRJ:LNG SHOWN N Tilt PRCUNMT RAT GRAYING,511E fRADNG WI/ ---- L--—- LATDSCAPED TO a,OF RENTON REQUIREMENTS. .f I, \if., W 1�'R f4 I 1 t \ RCOLRE STRPNG AND STOCNPLNG APPROAIATELT 1'DEMI Of r 5'nN /� �- , \\� I T CHEST WNG TREES OMR REMOVED. IXA ER p ", r TOPSOL FROM THE ENTRE SITE(T,000 CLOG YARDS).ANWILL8y\' I/ / \ \ 12Lg I M5r WALL App TONT.IIJ00 GLEAG YARDS OF SAND SIESOL MATERIAL WLL I 18 / 4. I 12 .1'. re_ �- BE GUT ER SLR AND AASED SITE 1 S C L16G YARDS OF I / III— \ \ I nXB[R TYPE She,meow a<Nest MHO 1' `_ / V I�\�\ L_-_-S \ TW 2932 MS MATCRNL wu BE USED AR S E As E SANDY T LL ___ / 2 i 34•(U,36YU , 1 _ 0E 9.8 MAMAPFROA MAY BE 1300 YARDS or THE DIE COMPLETED \ ]60-- 6• --- 1 r-- I1 J 4 / 13 17 91 me G. O pC-211I•,I1\ 1\ `Tam \W1LV \ � / I _ , /'� /���� .. • LL''ll ,ry^A//� -1- EXPORTED MATERIAL 15 EXPECTED TO BE OF A QUALITY THAT WEL ( n \ '/ \ EST,' TER rl'yt•'"'tir,r 9' / \%, \s I BE USEFU.AS CONSTRUCTION MATERIAL SUCH AS STRUGTIRAL FLL -/� . _ / \ I •:'• S d --' / d10 TOPSOL ON OTHER SITES. i \\ _ \' ' TV.,126B., I '.....,..\.jg I II ///„--STCt TER BTPA�S•—ti //- —• IL.N.261.70 �� pTW 101'.'� �ni_?. \ i\i5-\�288"i 1u15 1. -— UCLLPRODNG CONVERSION CONTEND MCATTHE ABOVE QUANTITIES MY BE CONVERTED LOVARRY Saffr TLT ��� 16 �� -----\\ �) 14 2-Y:,a ; ,' :,,,4 7(,s�FF_28BA_.\\\ 1 -- MATERIAL 'MI5 PER MSC YARD ; //, 15 \,T\\ OC.2 0 s S e-__ J SUBSOIL MATERIAL / e 1\. _ -./ 28G_— SAND OtY LOOSE 131 I„ L L/ \" J •• . .. e1 o f•-- _--.•.• -.-.' [ARM LAND SAND DRY,LOOSE Los MATERIAL ' f •�,."`--\ -. 1 1750. \ t \ \ \_`\III CARTM AND sae WEC ;62 �y - SPREADER \I\ \ . \ s \ SOU Or.cANGADE CONTANER i , ,`:. PRELIMINARY SITE GRADING AND STORM DRAINAGE PLAN • PRELIMINARY WATER AND SANITARY SEWER PLAN , • m NOT FOR CONSTRUCTION g APPROVALS JOB NO. 15-027s-01 RCA/H1111T� yes 10 DRAWING NO._ PRELIMINARY PLAT �tTP s DATE December 10,1999 . PRELIMINARY SITE GRADING, STORM DRAINAGE DESIGNED GT,DB8 Investment Properiss,LLC fFtj��U= CRAFTED OBB WATER AND SANITARY SEWER PLAN "PP-4 11, L.PI0K4.O,D F1 101•Lmtl,mM MmtOT,,.9v,yhq.Fmiamo4Al S.. . 0. GIEGNED --WO 1 R.E P.St . SMO,.RA MIT . Phone(LMZTN-5. . Fm(2Ut}Tm-1tro 1911 AND 1 a WA MOASTB.TH STREET o ," SCALE B.O. _ ...IWN-•Nlu.Ace p�3,RGo N,l. ® SHEET NO. ..r..4 Pw. 0 20 40 80 FEET 4 of 4 man■=T�w--I + A 41/7 NOTICE OF APPLICATION AND PROPOSED,DETERMINATION OF NON- _ SIGNIFICANCE (DNS-M) • DATE: January 10,2000 LAND USE NUMBER: LUA-99-187,PP,ECF APPLICATION NAME: SHOREWOOD PRELIMINARY PLAT PROJECT DESCRIPTION: The project proponent, Investment Properties LLC, has requested subdivision of a 4.35-acre property into 28 lots suitable for detached single-family homes. The kite is in a Residential 8(R-8)Zone. Two existing houses will be removed. A modification of street standards has been requested to reduce a public right-of-way to 42' (from 50'). The project will be reviewed by the City of Renton Environmental Review Committee and the Hearing Examiner. PROJECT LOCATION: 1917 and 1929 NE 24th Street 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 43.21 C.110,the City of Renton is using the Optional pNS(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 T reshold Determination of Non- Significance Mitigated(DNS-M). A 14-day appeal period will follow the issuance o the DNS-M. . , . . . , PERMIT APPLICATION DATE: December 22,1999 • NOTICE OF COMPLETE APPLICATION: January 10,2000 Permits/Review Requested: Environmental(SEPA)Review; Other Permits which may be required: Building and Construction Permi ,Building Permit for Retaining Walls (over four feet in height),Routine egetation Management Permit Requested Studies: Traffic Study,Geotechnical Engin-ering Report,Drainage Report • Location where application may be reviewed: Planning/Building/Public Works Division, 'evelopment Services Department, Sixth Floor,Renton City Hall,1055 South rady Way,Renton,WA 98055 PUBLIC HEARING: A public hearing has been scheduled for February 22,2000,before the Renton Hearing Examiner in Renton Council Chambers. Hearings begin at 9:00 AM on the 7th floor of Renton City Hall located at 1055 Grady Way South. CONSISTENCY OVERVIEW: " Land Use: Residential 8 dwelling units per net acre( -8)Zone Comprehensive Plan Designation: Residential Single Family(RSF) Environmental Documents that Evaluate the Proposed Project: Traffic Study,Geotechnical Engineering Report,Drainage Report Development Regulations • Used For Project Mitigation: State Environmental Policy Act(SEPA),Ci of Renton Municipal Code,King County Surface Water Design Manual Proposed Mitigation'Measures: 1. The applicant'shall installia silt fence'along the downslope perimeter of the area that is to be disturbed. The silt fence shall be in place before clearing and grading,is initiated, and shall be cpnstructed in conformance with the specifications presented in Section D.4.3.1 of the 1990 King County Surface W ter Design Manual,Appendix D. This will be required during the construction of both off-site and on-siteimprovemen was well as building construction. ! NOTICE OF PROPOSED ENVIRONMENTAL APPLICATION � t 2. Shallow drainage swales shall be constructed to intercept surface water flow and route the flow away.from the • construction area to a stabilized discharge point. Vegetation growth shall be established in the ditch by seeding or ' placing sod. Depending on site grades,it may be necessary to line the ditch with rock to protect the ditch from erosion - and to reduce flow rates. The design and construction of drainage swales shall conform to the specifications presented in Section 4.4.1 of the 1990 SWDM. Temporary pipe systems can also be used to convey stormwater across the site. This will be required during the construction of both off-site and on-site improvements as well as building construction. 3. The project contractor shall perform daily review and maintenance of all erosion and sedimentation control measures at the site during the construction of both off-site and on-site improvements as well as building construction. . 4. Weekly reports on the status and condition of the erosion control plan with any recommendations of change or revision to maintenance schedules or installation shall be submitted by the project Engineer of record to the public works inspector for the construction of the civil improvements of the plat. Certification of the installation, maintenance and proper removal of the erosion control facilities shall be required prior to recording of the plat. • 5. The applicant shall pay the applicable Transportation Mitigation Fee at the rate of $75.00 per each new average weekday trip attributable to the project, estimated to be 9.55 average weekday trips per new residence. The Transportation Mitigation Fee is due prior to the recording of the plat. 6. The applicant shall pay the appropriate Fire Mitigation Fee at a rate of$488.00 per each new single family residential lot created by the proposed plat. The fee is due prior to the recording of the plat. 7. The applicant shall pay the appropriate Parks Mitigation Fee at the rate of $530.76 per each new single family residential lot. The fee is due prior to the recording of the plat. Comments on the above application must be submitted in writing to Ms.Elizabeth Higgins,AICP,Senior Planner, Development Services Division,Sixth Floor,Renton City Hall,1055 South Grady Way,Renton,WA 98055,by 5:00 PM on January 24,2000. This matter is also scheduled for a public hearing on February 22,2000,at 9:00 AM, Council Chambers,Seventh Floor,Renton City Hall,1055 South Grady Way,Renton. If you are interested in - attending the hearing,please contact the Development Services Division,(425)430-7282,to ensure that the hearing has not been rescheduled. If comments cannot be submitted in writing by the date indicated above,you may still appear at the hearing and present your comments on the proposal before the Hearing Examiner. If you have questions about this proposal,or wish to be made a Party of Record and receive additional Information by mall,please contact Ms.Higgins. Anyone who submits written comments will automatically become a Party of Record and will be notified of any decision on this project. • CONTACT PERSON: ELIZABETH HIGGINS,AICP (425)430-7382 PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION PT r; :; .J , :.....r... f a, "W b 13:2.. p ®i_;]!Q f 4 :sr:::.laS:. � G ' , .IZ � ..• .-: it lo! —ow& • + s? � F r �za .Q. t .. r • . Q ".ap j 4 . 1 a •i— " .x.y ._-- • " .1 tm r••" Cerk& i.iOr zn _ _a'— zevb. •• '.� p . 0•' ill L na � fit-"» a 4. i 240 :n t F..io � ;..::,.�-VI= r __ j 1 1 : .16, i1+rr y .ie • 2i• Q�a ?. .:/f.l.":-',:I µ, �'(� P d I.'1,. if 4i:: ... z od a• F"z:re : — -......'`IN y, �''.. old - 1 .v 'i�' d'•.lli,p'� ...©. 3 k rII t. s e . \ io ' W a I ' � I •i -'-.�r SF• E '6i = l0 i" ezjno sr..a FR $!III '<1Qu• ...� . n in./ °, °' VL..W * h I�;i [ .Pry i , j•- + .a� • . ' L :.. :' 44Oil �. ClO'-y I NE lRD•Si ; 'Q I 4 © r 9 'l?49+ zea tr II "'f zo I IP na zaz r �` »° II!II• ' ,'A ' _,. -,i'''' tea •},. .r.o�` m•.,',.�� Is I.i! .D. ''• 4a+>; zr7 ', seem . lei ; —lot..•• (l.' im,o�R:r : i ,.o • I �. \i ,� 141 A i • . 1. as �.'J•'3 .. :; - -4, :. , 1 - fl . per'• Ipy`. 'o-_ 'NF. 20 TN JT' - ^r llr 7, li -1 ru I,7:a - Ca .. - 4, L a r NC M. • . .. �t .+,'° B.,,.: 4 I3'. I F 'W _ e.. 9avy,irI', z1l � .z.�4 — gyp Iv E'�'` W 0 : .. `.. ,�., — - -_ a.[ 0 F ' az; z—In-. R•. 4�. _ .:_©z a ['1 g t. i.: ., 2 .ci . 9 < � .. 6 �®. :'' NATICF nF PA -- - ..i!a --- it .' 4 �-:• .... ,a r', I © CITY OF RENTON �'�� °` °'- -Wt Pl• anning/Building/Public Works �of.ficA�� 1055 South Grady Way - Renton Washington 98055 A� ' 10 0j,3(�,p ' 0 3 ® � A e PB METER ADDRESS SERVICE REQUESTED �' "° �'_. ._ 7204260 U.S.s. POSTAGE t 1 1? �u0 F C 1 FRESD�T J y J- zg11 TSANG W•PO 13707 NE 6TH PL#A2-202 a such . ADDRESS A RETURN TG SENDER {C}F�"rd �rw i i ii ! 11I i £ 311 i � i� I�e ifi— £i t i11 11 t i� l £ I1 — --- £:.j `/ , is =— s 2. Shallow drainage swales shall be constructed to intercept surface water flow and route the flow away from the • construction area to a stabilized discharge point. Vegetation growth shall be established in the ditch by seeding or • placing sod. Depending on site grades,it may be necessary to line the ditch v''ith rock to protect the ditch from erosion , and to reduce flow rates. The design and construction of drainage swales shall conform to the specifications presented In Section 4.4.1 of the 1990 SWDM. Temporary pipe systems can also be used to convey stormwater across the site. This will be required during the construction of both off-site and on-site improvements as well as building construction. 3. The project contractor shall perform daily review and maintenance of all erosion and sedimentation control measures at the site during the construction of both off-site and on-site improvements as well as building construction. 4. Weekly reports on the status and condition of the erosion control plan with any recommendations of change or revision to maintenance schedules or installation shall be submitted by the project lEngineer of record to the public works inspector for the construction of the civil improvements of the plat. Certification of the installation, maintenance and proper removal of the erosion control facilities shall be required prior to recording of the plat. 5. The applicant shall pay the applicable Transportation Mitigation Fee at the rate of $75.00 per each new average weekday trip attributable to the project, estimated to be 9.55 average weekday trips per new residence. The Transportation Mitigation Fee is due prior to the recording of the plat. 6. The applicant shall pay the appropriate Fire Mitigation Fee at a rate of$488 i00 per each new single family residential lot created by the proposed plat. The fee is due prior to the recording of the plat. 7. The applicant shall pay the appropriate Parks Mitigation Fee at the rate of $530.76 per each new single family residential lot. The fee is due prior to the recording of the plat. Comments on the above application must be submitted in writing to Ms.Elizabeth Higgins,AICP,Senior Planner, Development Services Division,Sixth Floor,Renton City Hall,1055 South Grady Way,Renton,WA 98055,by 5:00 PM on January 24,2000. This matter is also scheduled for a public hearing on February 22,2000,at 9:00 AM, Council Chambers,Seventh Floor,Renton City Hall,1055 South Grady Way,Renton. If you are interested In attending the hearing,please contact the Development Services Division,(425)430-7282,to ensure that the hearing has not been rescheduled. If comments cannot be submitted in writing by the date indicated above,you may still appear at the hearing and present your comments on the proposal before the Hearing Examiner. If you have questions about this proposal,or wish to be made a Party of Record nd receive additional information by • mail,please contact Ms.Higgins. Anyone who submits written comments ill automatically become a Party of Record and will be notified of any decision on this project. , CONTACT PERSON: ELIZABETH HIGGINS,AICP (425)430-7382 • PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION ._ .^. . _ 40 - - ^ -_ _ '-,rr1 � „ram •t1H+do.n,. ,ti;� -;�* �' a , '@1 nejet5 • l3 o I , i n Q •°n•�: ®4 I i ,]` :.. c3.�pc DA rJ?zn__r�qr •.�-3. +- �zeY 6.; _..»,i��I� m t••e. @m.©�,®. 1 zR •�y-.66:.LL. p '!� ma �.jx 1. ,y-ay--__®s . z40 ,•xot -,j no'ke :....,. .8 ilf: • "r"�.Qi Ivy .:V.., -�' unn" a ' • , 13,'x!�•(]. ,•i�r I 236r.I•to v . :4'?'."�?'rya°• is • 1 p C7_. -";, .•' ,- a e. . 4 a �r 4:I!#1 .— + �1j' G y 1 .4 FR..J, J W � 'M •i Y _ :TV k'is � ��a� r:e�-°I�rm . ..I I..�tdt z�.m:l c� � � s�fw'@!'i L IL ' °.. I iI t i .Im x M a r- I- i 4 - � si E iu., :. a I JQQ • Q .(3 @• s ,� xe s•u sr s'1.11. 'Q 1 I— �, i1• "°�• .Qk. ze as • zz I. i ^T ..zo • i "' e .m -3 >< »4:p g. •3 a #t , ei L. �' '.., - 7 • , Off' >y�.I . O`: ».' .i• !i' '17.. �` :'®.. ,b ,q L i• 11 ' 4'i , ; i Alt ,+.. � i 1 xez'- xee I lift ate �].: ::�E®ai� 1...• ....... . I 45 3' t I ° ftiil'i I 1� 1. •p0 Ili .x, x....p1.... r. .+ '" -' "�, rn •''., _xos, •j SI it (y, J• 0.�-y ,• -kl. NOTICE OF PIS --- - I' p a:1. t. • .. - :&_. ',I.-,i ,err--f: • • 0Y Obi � � NOTICE. OF APPLICATION AND PROPOSED DETERMINATION OF NON SIGNIFICANCE (DNS-M) DATE: January 10,2000 LAND USE NUMBER: LUA-99-187,PP,ECF APPLICATION NAME: SHOREWOOD PRELIMINARY PLAT PROJECT DESCRIPTION: The project proponent, Investment Properties LLC, has requested subdivision of a 4.35-acre property into 28 lots suitable for detached single-family homes. The site is in a Residential 8(R-8)Zone. Two existing houses will be removed. A modification of street standards has been requested to reduce a public right-of-way to 42' (from 50'). The project will be reviewed by the City of Renton Environmental Review Committee and the Hearing Examiner. PROJECT LOCATION: 1917 and 1929 NE 24th Street 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 43.21 C.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: December 22,1999 NOTICE OF COMPLETE APPLICATION: January 10,2000 Permits/Review Requested: Environmental(SEPA)Review; Other Permits which may be required: Building and Construction Permits,Building Permit for Retaining Walls (over four feet in height),Routine Vegetation Management Permit Requested Studies: Traffic Study,Geotechnical Engineering Report,Drainage Report Location where application may be reviewed: Planning/Building/Public Works Division,Development Services Department, Sixth Floor,Renton City Hall,1055 South Grady Way,Renton,WA 98055 PUBLIC HEARING: A public hearing has been scheduled for February 22,2000,before the Renton Hearing Examiner in Renton Council Chambers. Hearings begin at 9:00 AM on the 7th floor of Renton City Hall located at 1055 Grady Way South. CONSISTENCY OVERVIEW: Land Use: Residential 8 dwelling units per net acre(R-8)Zone Comprehensive Plan Designation: Residential Single Family(RSF) Environmental Documents that Evaluate the Proposed Project: Traffic Study,Geotechnical Engineering Report,Drainage Report Development Regulations • Used For Project Mitigation: State Environmental Policy Act(SEPA),City of Renton Municipal Code,King County Surface Water Design Manual Proposed Mitigation Measures: 1. The applicant shall install asilt fence along the downslope perimeter of the area that is to be disturbed. The silt fence shall be in place before clearing and grading is initiated, and shall be constructed in conformance with the specifications presented in Section D.4.3.1 of the 1990 King County Surface Water Design Manual,AppendixD. This will be required during the construction of both off-site and on-site improvements was well as building construction. v .. NOTICE OF PROPOSED ENVIRONMENTAL APPLICATION ��° „ ® CITY OF RENTON - - -- o y la : 'ram ` iisIL Planning/Building/Public Works P. ®CC � ,3 1 1055 South Grady Way - Renton Washington 98055 CA �IAE 1 i'O 0 pet? w$PV.Uhl ” ® , ® � fi CC CCci) PB METER * ADDRESS SERVICE REQUESTED ' 7204260 U.S. POSTAGE JOHNNY R. - - - Ii0T1>£LIYERABIE - 91'2 ST ~. ::. ., .� . RWOyeA 9 �7 •-x-- AS`ADDRESSED< - t ;;; - _ - _ = _ sti-:„ - - --,.c.. - :•�;. .a'n`;� '• _z-x k... ��.a -_1 ..,.�- .--z�' -Y�.� __ Lii�---a:;•sue. --- Ly$ RETURN TO SENDER . • 6,• t= `�'g, .::i 1 Ii Ii I1 .IFFI.rtlFlIIFFiIFI�F1I,I I �' 1 I J � = I) I): 3Fi F� Fa,FiF rfI i:!i sfttl i.c':'M'• 141Li _ ; �,�. \ds�\ m � �; ,N. f ' . • : : 7 G • 1,, .. — -? .� • ME VOW- it4� ,r _ , a 'MEADOW ali- "` ... _ N� —_------ — -- ------ INTERSTATE-HWY..405--_— -- i K14N .:. -_mob- P . Zb e 1',E,'i • "..'•I r— 7 I t - i, w.... ..•F '- Q 4 4; -= • • N a0 N '� a ,,' w N 4W` ;; N.E. ., r; .1. JONES RAVE. N.E. z ..._. N' .�Ni , 4 I,Fy 1! !. i MD ,t F �ri Yv r [ „ q,-, ,*I N� P , o _v we - J _---F1 a . YI ,Rt•Lxx�n N 1. a� ---- -V g = • IN1'7 1 •',., it _ ' p E Iry Y _ s m �`-.I e ® a[ a .., r�r�J[I+ • N.E. v �a ,,,.�__" Im - ". . _ _��77 N N.•� m i� ,�•KENNEWICKe AVE. NE.,� 'i �`� I Es .A-D D-: A: I - '-- , A at ,�._ a.-p..m. [ ' ..,may-..«.,._.. `i° u� 'J 1 m r°:.=7.k,. .[ ;., .• I- -S S .'. 1,^ n m,n_d N.>o, - __'N__ ✓ W a ® •„ r aKEaMEINCT0. 'fir a-N,.-_C- P JE• • +.Act ee.i M-- - •�, . ;r,,,LEP -1• ,. ,.'. ,--,- `- Vn, =0� • E .6 ;my - m s;-- �I• 'g`-® - ±-` �. E cal, ,1 •Y : :_` '> r N7 _ '❑"._.s .•MONTEREY AVE N.E. j s .,D i '' �(�' W N �®F a m!a CT s E • )7s a $ Z a 'ciai .,�,N�t= I.,_._.� �k AS]r. _ '�� '8q'a; Ly `-;Q >1 �>1F 1• a N ...! tc!°...:4' -_ .5 �r9.," m I'mµ'-2 1 Fa�\i -'�-- .;ry" .,Et .'' ;z, -i—I is I N •,` --- 1 tNi' - P ,NP '[Nj' �:, of C1 ;Q:® ,e''NwI ,,. ,Vi „J m ., kk;; .gv.N,.I ,,.,, '�M pIi` --_c -� �I „�i �� 6"I i 4.1 }; . . "li .Gi r g '',.L. [� "�'ABERDEEN 4N _ O, F, a k (j,o...-�.. `'-A"._me__.;x x�- �.n�r_p Qea m i., „ ® Y ' SI 6' :gi �I ,. ? .. a?1 -•3 rtie -1 K e n n y d a l e N' itt •-.• '�, ti_p'-1 F _ 4Y,�,A BERD£EN,PL,N.E.ro""L,s'e 5 N SC o.. y I_ N a .Eg^� - __ Lions Pork o = 7 i-'e-'1 D IA :' r ` '..''; TAaT E s—;•?_ t".. -y ---'N y 11 ®® Kr"i?� ��i® �Ny.� s _ g 'M a 'tee"�r[J._ '""L.,,ci;_ ""'�" l f...u...S. s® OI"-., ,- -�,� ET:'-- a.',- ® -- E." "0'� ti y K AVE. �.... N.E. ". e-1 "w:,`�'-.1 N.rI ,y„_. +,,BLAINE AVEnSEE6' .•C�' 7I's W .Wi 4" b'__41 N:L-'-.a.....,t;.,44 .! 6S°CCI= �['---;;�' I 0 p'a rm,;-=__ "`ThMEIN ;- OF _ m 1 e ' •:_--P----; ' a2 '" 5?5, 1 g4. CAS iff a " W'All°R R`E•'N`S ` . .Y tiS/ OFfo n•,•. .,: e .t CAMAS • ti, ro [AVE. NE? ----,e ' ,A'P4 n '�7 . .,+a- � IAAMAS AVE NE, _u�___________�__ ��, _• ID p e- 'D. • r -.. / l — ,.,. -� 3 � ' I .. �•I � ��.P K I J,_,.,� + -.� ro.» `4,e t +h� y C�. -~A .F•Ri,- .: -P,ai II@_117; .I> .WI:: - z 4:., LSJI a �9� 1� i°ra' - _T4 L2V1 Irr,. , -N E! 's, p _-.- —.-C [ _ ❑ ,' B�`l a���ttt'''(- AVE. * ,..N.E. r 1. a-- ._---_-- N _I CC e� 1LM-][81IC by T. N.E. Te __a�_. __7§ y_ 9•N . .. Tel, s _ .'- 1' ,Nii _ _ '4' _ _` �N. Uzi; yam•, 1 A m 4 _ _ a te__•'__f__,� ---_ N - �' -%�:� e:fm =� 1. ••a i� _ tee; '0,, :a sr�. Ott•a I ;6I�I I ?." 9!I. 9 'ft �i,II , ;,1I;,it; ' .; ' —•—N.E, —__—__ �MONDS._.—.—.SAVE.-----N.E_.—.— . . t rVY ♦ `= . ♦ NOTICE.OF APPLICATI N AND PROPOSED DETERMINATI N OF NON-. - SIGNIFICANCE (DNS- , ) DATE: January 10,2000 LAND USE NUMBER: LUA-99-187,PP,ECF APPLICATION NAME: SHOREWOOD PRELIMINARY PLAT PROJECT DESCRIPTION: The project proponent, Investment Properti s LLC, has requested subdivision of a 4.35-acre property into 28 lots suitable for detached single-family homes..The site its in a Residential 8(R-8)Zone. Two existing houses will be removed. A modification of street standards has been requested to reduce a public right-of-way to 42' (from 50'). The project will be reviewed by the City.of Renton Environmental Review Committee and the Hearing . Examiner. PROJECT LOCATION: 1917 and 1929 NE 24th Street 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 43.21 C.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: December 22,1999 NOTICE OF COMPLETE APPLICATION: January 10,2000 Permits/Review Requested: Environmental(SEPA)Review;- - Other Permits which may be required: Building and Construction Permits,Br.ilding Permit for Retaining Walls (over four feet in height),Routine Veg tation Management Permit Requested Studies: Traffic Study,Geotechnical Engineeriig Report,Drainage Report • Location where application may be reviewed: Planning/Building/Public Works Division,Deve opment Services Department, Sixth Floor,Renton City Hall,1055 South Grady Way,Renton,WA 98055 PUBLIC HEARING: A public hearing has been scheduled for February 22,2000,before the Renton Hearing Examiner in Renton Council Chambers. Hearings begin at 9:00 AM on the 7th floor of Renton City Hall located at 1055 Grady Way South. CONSISTENCY OVERVIEW: Land Use: Residential 8 dwelling units per net acre(R-8)Zone Comprehensive Plan Designation: Residential Single Family(RSF) Environmental Documents that Evaluate the Proposed Project: Traffic Study,Geotechnical Engineering Report,Drainage Report Development Regulations 4 Used For Project Mitigation: State Environmental Policy Act(SEPA),City of Renton Municipal Code,King County Surface Water Design Manual `-. Proposed Mitigation Measures: • 1. The applicant shall install a silt fence along the downslope perimeter of the area that is to be disturbed. The silt fence shall be in place before clearing and grading is-Initiated, and shall be constructed in conformance with the specifications presented in Section D.4.3.1 of the 1990 King County Surface Water Design Manual,Appendix D. This will be required during the construction of both off-site and on-site improvements was well as building construction. NOTICE OF PROPOSED ENVIRONMENTAL APPI I(.ATinni //: s: 2. Shallow drainage swales shall be constructed to intercept surface water flow and route the flow away from the construction area to a stabilized discharge point. Vegetation growth shall be established in the ditch by seeding or • placing sod. Depending on site grades,it may be necessary to line the ditch with rock to protect the ditch from erosion - and to reduce flow rates. The design and construction of drainage swales shall conform to the specifications presented in Section 4.4.1 of the 1990 SWDM. Temporary pipe systems can also be used to convey stormwater across the site. This will be required during the construction of both off-site and on-site improvements as well as building construction. 3. The project contractor shall perform daily review and maintenance of all erosion and sedimentation control measures at the site during the construction of both off-site and on-site improvements as well as building construction. . 4. Weekly reports on the status and condition of the erosion control plan with any recommendations of change or revision to maintenance schedules or installation shall be submitted by the project Engineer of record to the public works inspector for the construction of the civil improvements of the plat. Certification of the installation, maintenance and proper removal of the erosion control facilities shall be required prior to recording of the plat. • • 5. The applicant shall pay the applicable Transportation Mitigation Fee at the rate of $75.00 per each new average weekday trip attributable to the project, estimated to be 9.55 average weekday trips per new residence. The Transportation Mitigation Fee is due prior to the recording of the plat. 6. The applicant shall pay the appropriate Fire'Mitigation Fee at a rate of$488.00 per each new single family residential lot created by the proposed plat. The fee is due prior to the recording of the plat. • 7. The applicant shall pay the appropriate Parks Mitigation Fee at the rate of $530.76 per each new single family residential lot. The fee is due prior to the recording of the plat. Comments on the above application must be submitted in writing to Ms.Elizabeth Higgins,AICP,Senior Planner, Development Services Division,Sixth Floor,Renton City Hall,1055 South Grady Way,Renton,WA 98055,by 5:00 PM on January 24,2000. This matter is also scheduled for a public hearing on February 22,2000,at 9:00 AM, Council Chambers,Seventh Floor,Renton City Hall,1055 South Grady Way,Renton. If you are Interested in attending the hearing,please contact the Development Services Division,(425)430-7282,to ensure that the hearing has not been rescheduled. If comments cannot be submitted in writing by the date indicated above,you may still appear at the hearing and present your comments on the proposal before the Hearing Examiner. If you have questions about this proposal,or wish to be made a Party of Record and receive additional information by mail,please contact Ms.Higgins. Anyone who submits written comments will automatically become a Party of Record and will be notified of any decision on this project. CONTACT PERSON: ELIZABETH HIGGINS,AICP (425)430-7382 PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION "8� -s ' _CD r'C114':-1,-a'7'zl� l7`o 23,4f 4,z%9 3�.,ti 5 .dtw 92D' zo3 �E " -.CD ,'� i'7� •' �:�:'o .v' n, j ,.•. . it // (/7, z 4:,®gyp• . . i` 1 " �'�,ilro .C3 I 1 I• :3 0 ,T-.^�i___ -�" (gt• NE Ili; �( �.�b :I ik fly • a i:! !Q:_:., O - '__..... : 1 .1 : '..:: .i •1,-5t` • .. - • y` III. o. ❑ —_ ••-... i • 5'...... . ` i.J r^q 'D,r i t}xre Tr;se :a zoo �zlr i ,a.i9`, ..,. 1 _ ." III ,r_ z'i :� i—. ,9. _ . Q2r:t i w-: ��:Ls41}.��'>� lal W~•` .�'I.,� �, ',::Yai.— mil v.- t,`ij�..aL,;` ': -3 a El I. , I ..'4• .., ':'i l'o r_f:; 29? 6J f4E.Y,- ...... 4J. - • Y_ 13. �� s‘g ,_ I. � .y i ,i,.. o- •,M�,�}�+... ....Q, -. I. �, F'ITN rril W �,', J. zez -•1, i."L$" i3Z.O.L. :'L'�.W - •�_�}� s W ' x•°I. • NE..... < ' •i :.m'i a I_i • III .I, aa, wt¢ m., . ®; - r ;. i L .. Ie !II =' R S4 E 43:z63v .2, �,yn- E23eD lY.,' • • -,� I,',I r p.. 0 -B. E pyCl' _ E[`■xE wD sr i-i j r • at _ 'II r�, - • P7l94 P zel '. �•Z1:,C. .6.5r 7f�''' -. � n »a II1I e;p., ,r =,q• Jef,'� zri ®3r� iia 8�, : .. vry'•i'd:'i�' •-... ....`.: 3. .7":z�,y . . 'C o'(t'S.5, I ro . e • ..., �� d' '�. a :0 • ., a ;o l.� am i :4: Y01-P , III ..-lt E3; 1� h 1i' itl ; • N N£.•y SOTN: ;^�Ji.' .-.1 _ r u �, .I p. �11 LLB. �, ,: '{ .611 ilk I • V1 IPll ).-P-.` z..i t.:,-r:•.•tJ"_®r.g! i r 1I ..• xsz'-' zes E.. z31 4. 7i 'E. » !G7•• .. I1. n • p�•li' a:z t-••p,' 'f4•.)e.� /�11r: s... ¢3i is__ 0 :4..,e •, .1.1..2o9. unrino ne De -• - it --'^' w., 11 1 .; •. .51 .. _ i5.1 rar -i: I 99 - ( 7 I ( ) I l 'I ROBERT H.BARTELL BRAIN STERANS I LORRAINE TAYLOR 1725 NE 24TH ST 6702 139TH AVE NE1#746 2208 JONES AVE NE RENTON WA 98056-2264 REDMOND WA 9805 -1813 I RENTON WA 98056-2654 I II JEFFREY B.UNBEDACHT , I L DOUGLAS C.CORE TIMOTHY CHAMBERLAIN 2120 JONES AVE NE III 1828 NE 20TH ST I 1832 NE 20TH ST RENTON WA 98056-2656 I RENTON WA 98056-2640 RENTON WA 98056-2640 I III MICHAEL D.BLONSKI VIVIAN A.WEIGEL CHARLES E.GIBSON 1908 NE 20TH ST I I 16853 SE 112TH ST I I 2008 NE 20TH ST RENTON WA 98056-2638 I I RENTON WA 98059-5931 I RENTON WA 98056-2636 1l H h - I BRIAN D.VANCE I I VANCE CHRISTINE TRUST 1 I D.O.ARCHER 13811 SE 173RD PL I ! 2129 ABERDEEN AVE NE 11 2127 ABERDEEN AVE NE RENTON WA 98058-7018 RENTON WA 98056-2625 1 I RENTON WA 98056-2625 I II II PATRICIA R.ROBERTO I I WILLIAM V.COLLINS I HARRY B.HUGHES 2123 ABERDEEN AVE NE j I 2201 ABERDEEN AVE NE I 2213 ABERDEEN AVE NE RENTON WA 98056-2625 I RENTON WA 98056-2623 I RENTON WA 98056-2623 ' I lI '11 ,. � I ; Ij I I . STANLEY OLSON 1 1 MARK S.CARR MICHAEL L.CARR JOHNNY C.KWAN 2217 ABERDEEN AVE NE 1 2309 ABERDEEN AVE NE 2021 NE 24TH ST RENTON WA 98056-2623 'I I RENTON WA 98056- 621 I i RENTON WA 98056-2258 - - I 1 MARKS.CARR MICHAEL L.CARR II SHANE MARY DARLENE LANDE I ISAAC N.JELLEY 2309 ABERDEEN AVE NE 9037 38TH AVE SW I 2009 NE 24TH ST RENTON WA 98056-2621 I I SEATTLE WA 98126-3838 ' I RENTON WA 98056-2258 I I,I I I 1 MICHAEL DOUGLAS WATSON 1 SHANE MARY DARLENE LANDE 1 ROBERT N.CAVE 1929 NE 24TH ST I 9037 38TH AVE SW ' I 12518 SE 17TH ST RENTON WA 98056-2260 I SEATTLE WA 98126- 838 I BELLEVUE WA 98005-4603 )Il I I I I I ,I ROBERT N.CAVE ;I LEOMA J.ZIRK ICHARLES J.ROWE 12518 SE 17TH ST 1 ; 1833 NE 24TH ST I 1 1909 NE 24TH ST BELLEVUE WA 98005-4603 I RENTON WA 98056-2262 I RENTON WA 98056-2260 - - < I I� -,'I --`I HOWARD H.LAPLANT II DON B.ROHDE I I DANIEL B.DYMARKOWSKI 1917 NE 24TH ST I 2401 ABERDEEN AVE NE I 2020 NE 24TH ST RENTON WA 98056-2260 1 RENTON WA 98056-2217 , I RENTON WA 98056-2257 1 --, � 1 I I I I I 1 I I I I I • I I ' II 1 STEPHEN F.RALLISON JAMES C.BLUNDRE KIMBERLY K.S.JACKSON 2016 NE 24TH ST 1 1800 NE 24TH ST • I 2421 MONTEREY AV NE RENTON WA 98056-2257 i RENTON WA 98056- 261 RENTON WA 98056-2276 r - r - I i I I 1 I WILLIAM D.GILLEY I JON A.OLIVER I RONALD L.SMITH 536 BURNETT AVE N 1 2409 ABERDEEN AVE NE I 2427 ABERDEEN AVE NE RENTON WA 98055-1405 I RENTON WA 98056-2217 I RENTON WA 98056-2217 i- - ------ - - I I JERRY O.LARSON 1 t MICHAEL R.WILGUS TSANG W.PO 2418 MONTEREY AVE NE 1 F 2412 MONTEREY AVEI NE , 1 13707 NE 6TH PL#A2-202 RENTON WA 98056-2275 1 RENTON WA 98056-2275 BELLEVUE WA 98005 I ( it I �- 1 ( I I li II 1i JOHNNY R.BAKKO 1 VERONICA B.DINKINS 11 CARL E.BROOKS 1922 NE 24TH ST 1 I 2413 KENNEWICK P NNE 1 2414 KENNEWICK PL NE RENTON WA 98056-2259 i 1 RENTON WA 98056-2289 I NEWCASTLE WA 98056-2289 1 j -- - < I ; - - -{ I r - I I 1 1 I JACK L.COWAN I JACK L.COWAN I JOHN COWAN 905 LYNNWOOD AVE NE 11 905 LYNNWOOD AVE NE I 1830 NE 24TH ST RENTON WA 98056-3804 j I RENTON WA 98056-3804 1 RENTON WA 98056-2261 I1I �I,I , 1 1 VERONICA B.DINKINS I I 2413 KENNEWICK PL NE I RENTON WA 98056-2289 I 1 I II 1 , 111 II I Ji 1 � 1 � - JI < 11 11 � 1 I I 11 I I � jl 11 II , I ii1 1 ,1 1 11 11.E I� -' / �IIr �1 �- 11 ,II II 1 1 11 I I I I I 1 1 - r 1 1 ROBERT H.BARTELL i BRAIN STERANS LORRAINE TAYLOR_ 1725 NE 24TH ST 6702 139TH AVE NE 746 2208 JONES AVE NE RENTON WA 98056-2264 I . REDMOND WA 9805 -1813 RENTON WA 98056-2654 1 II JEFFREY B.UNBEDACHT 1I DOUGLAS C.CORE TIMOTHY CHAMBERLAIN 2120 JONES AVE NE I 1828 NE 20TH ST 1832 NE 20TH ST RENTON WA 98056-2656 RENTON WA 980561640 RENTON WA 98056-2640 111 MICHAEL D.BLONSKI VIVIAN A.WEIGEL CHARLES E.GIBSON 1908 NE 20TH ST I 16853 SE 112TH ST 2008 NE 20TH ST RENTON WA 98056-2638 RENTON WA 98059-5931 RENTON WA 98056-2636 BRIAN D.VANCE VANCE CHRISTINE TRUST D.O.ARCHER 13811 SE 173RD PL I 2129 ABERDEEN AVE NE I 2127 ABERDEEN AVE NE RENTON WA 98058-7018 RENTON WA 98056- 625 RENTON WA 98056-2625 II PATRICIA R.ROBERTO WILLIAM V.COLLINS I HARRY B.HUGHES 2123 ABERDEEN AVE NE I 2201 ABERDEEN AVE NE 2213 ABERDEEN AVE NE RENTON WA 98056-2625 I RENTON WA 98056-1623 RENTON WA 98056-2623 I > � I I STANLEY OLSON I MARKS.CARR MICHIPEL L.CARR JOHNNY C.KWAN 2217 ABERDEEN AVE NE 2309 ABERDEEN AV NE 2021 NE 24TH ST RENTON WA 98056-2623 RENTON WA 98056- 621 RENTON WA 98056-2258 II 1 MARKS.CARR MICHAEL L.CARR I SHANE MARY DARL-NE LANDE ISAAC N.JELLEY 2309 ABERDEEN AVE NE I 9037 38TH AVE SW 2009 NE 24TH ST RENTON WA 98056-2621 SEATTLE WA 98126-3838 RENTON WA 98056-2258 ll it MICHAEL DOUGLAS WATSON SHANE MARY DARL=NE LANDE ! ROBERT N.CAVE 1929 NE 24TH ST 9037 38TH AVE SW 12518 SE 17TH ST RENTON WA 98056-2260 SEATTLE WA 98126-3838 BELLEVUE WA 98005-4603 11 T I I I I , ROBERT N.CAVE LEOMA J.ZIRK j CHARLES J.ROWE 12518 SE 17TH ST 1833 NE 24TH ST 1909 NE 24TH ST BELLEVUE WA 98005-4603 RENTON WA 980561262 RENTON WA 98056-2260 / 1 \ 1 HOWARD H.LAPLANT DON B.ROHDE DANIEL B.DYMARKOWSKI 1917 NE 24TH ST I 2401 ABERDEEN AVE NE 1 2020 NE 24TH ST RENTON WA 98056-2260 I RENTON WA 98056-2217 RENTON WA 98056-2257 1 I7 1 STEPHEN F.RALLISON JAMES C.BLUNDRE i KIMBERLY K.S.JACKSON 2016 NE 24TH ST 1800 NE 24TH ST 2421 MONTEREY AV NE RENTON WA 98056-2257 RENTON WA 980561261 i RENTON WA 98056-2276 I > I I I 1 WILLIAM D.GILLEY I JON A.OLIVER I RONALD L.SMITH J 536 BURNETT AVE N I 2409 ABERDEEN AVF NE I 2427 ABERDEEN AVE NE RENTON WA 98055-1405 I RENTON WA 98056-2217 1 RENTON WA 98056-2217 - - Ili I , I JERRY O.LARSON MICHAEL R.WILGU$ I TSANG W.PO 2418 MONTEREY AVE NE I I 2412 MONTEREY AVr6 NE III 13707 NE 6TH PL#A2-202 RENTON WA 98056-2275 I RENTON WA 98056-2275 I BELLEVUE WA 98005 I 11 I , II I 11 JOHNNY R.BAKKO I I VERONICA B.DINKINS 11 CARL E.BROOKS 1922 NE 24TH ST III 2413 KENNEWICK PIT.NE 1 2414 KENNEWICK PL NE RENTON WA 98056-2259 1 I RENTON WA 98056-2289 I NEWCASTLE WA 98056-2289 I I1 I JACK L.COWAN I JACK L.COWAN I I JOHN COWAN 905 LYNNWOOD AVE NE 905 LYNNWOOD AVE NE I 1830 NE 24TH ST RENTON WA 98056-3804 RENTON WA 98056 3804 I RENTON WA 98056-2261 I �� - - III VERONICA B.DINKINS I I 2413 KENNEWICK PL NE RENTON WA 98056-2289 I I I I ,I 1 1 1il ' 1 l 1 I 11 11 II I 1 j 1 -- �I I 11 II 11 Ij II ,1 1 I a� t: Le- PARTIES 1-1 OF RECORD SHOREWOOD PRE .IMINARY PLAT LUA-99-187,PP,ECF : - 1. Michael Lai 125 Eight Avenue,#155 Seattle,WA 98104 Phone: (206)287-1604 2. John Cowen 1830 NE 24th Street Renton,WA 98056 c BOARD OF PUBLIC WORKS 8:30 a.m. City of Renton Wednesday,May 1,2002 Conference Room No. 511 AGENDA 1. CALL TO ORDER; 2. APPROVAL OF MINUTES: Meeting minutes dated,April 24,2002. 3. REQUESTED ACTION: • OFF-SITE DEFERRAL, ABERDEEN HOUSE SHORT PLAT, LUA 02-046,2004 N.E. 12th St- The applicant requests a deferral on N.E. 12th St. and on Aberdeen Ave.N.E. for paving,curb,gutter and sidewalks. • OFF-SITE DEFERRAL, LIBERTY RIDGE PHASE 3, LUA 02-007 FP, 150 Edmonds Ave. N. - The applicant requests a deferral for placing the final lift of asphalt and installation of 10 street monuments. 4. OLD BUSINESS: • OFF-SITE DEFERRAL, STONE CASTLE, LUA 99-187, 1917 N.E. 24th St. - The applicant requests an extension for(1)year to complete fencing along the western property boundary. The work is pending due to difficulties with several homeowners. 5. ADJOURNMENT: BOARD OF PU LIC WORKS 8:30 a.m. Renton Municipal Building Wednesday,May 1,2002 Conference Room No. 511 IN ATTENDANCE: Neil Watts,Chairman Dave Christensen,Utilities Systems Craig Burnell,Bi ilding Plan Review Jim Gray,Fire Juliana Sitthidet,Plan Review Floyd Eldridge,Police - Mickie Flanagan,Recording Secretary Judy Walter,PBPW Administration VISITORS: Aart Hillinga, Stone Castle Homeowner Traci Gaudreau,Attorney at Law,Stone Castle David Halinen,Attorney at Law,Liberty Ridge,Phase 3 Ted Noble,Project Manager,Liberty Ridge,Phase 3 Mike Romano,Dreamcraft Homes, Stone Castle MINUTES 1. CALL TO ORDER: Chairman Watts called the meeting to order at 8:30 a.m. 2. APPROVAL OF MINUTES: Meeting minutes dated April 24,2002 were approved as presented. 3. REQUESTED ACTION: • Off-Site Deferral,Aberdeen House Short Plat,LUA 02-046,2004 N.E. 12th St. - Applicant is requesting a deferral for off-site improvement on N.E. 12th St. and on Aberdeen Ave.N.E. The improvements include paving, curb,gutter and sidewalks. Discussion: The retaining wall is a private wall and not the responsibility of the City to repair. The applicant needs a Right-of-way Use permit. Action: Moved by Christense�n,seconded by Meckling,to grant a l deferral for paving, curb,gutter land sidewalks on N.E. 12 St. and on Aberdeen Ave.N.E., subject to the following conditions: 1)The applicant shall repair a section of the existing retaining wall along N.E. 121 St. which is currently leaning towards the roadway shoulder. The applicant will obtain a Right-of-way Use permit for said retaining wall;2)the applicant agrees to participate in any future Local Improvement District (LID)to provide said improvements; and 3)a Restrictive Covenant be recorded prior to the recording of the short plat,but not to exceed two years after the Board of Public Works decision. MOTION CARRIED. . t Board of Public Works May 1,2002 Page 2 • Off-Site Deferral,Liberty Ridge Phase 3,LUA 02-007 FP— 150 Edmonds Ave.N. - The applicant is requesting a deferral for placing the fmal lift of asphalt and installation of 10 street monuments. Action: Moved by Christensen,seconded by Meckling to approve the deferral for placing the final lift of asphalt and installation of 10 street monuments until April 1,2003, subject to the following conditions: 1) Street drainage control be installed to avoid excessive ponding;2)a temporary sediment catcher(silt bags)be installed in the catch basin; 3)a letter be provided to the City from a licensed Land Surveyor stating that all monuments will be installed prior to the release of the deferral; and 4)a security device in the amount of$26,550.00 be placed with the City to cover the deferred items(150%of the estimated cost of the improvements). MOTION CARRIED. 4. OLD BUSINESS: • Off-Site Deferral,Stone Castle,LUA 99-187, 1917 N.E. 24th St. - The applicant is requesting an extension for(1)year to complete fencing along the western property boundary. The work is pending due to difficulties with several homeowners. Discussion: Traci Gaudreau,an attorney for the concerned homeowners was present as well as Aart Hillinga,homeowner at 2243 Kennewick Pl. N.E. They requested the Board not approve a one-year extension to the applicant for completion of the fencing. Ms. Gaudreau requested the Board place a condition on the applicant that he meet with the affected homeowners. It was the general consensus of the Board that this should be handled administratively with the staff. Action: Moved by Christensen,seconded by Meckling to approve an extension for 90 days,until July 30,2002 to complete fencing along the western property boundary of the Stone Castle development; and that the security device currently held by the City in the amount of$40,000.00 will not be reduced. MOTION CARRIED. • Deferral Extension Request,Miller Short Plat,LUA 99-067,3901 Meadow Ave.N.- Applicant is requesting an extension to a deferral for fmal lift of asphalt paving, landscaping and fencing for one year. Action: Following a brief discussion,it was Moved by Christensen, seconded by Gray,to grant an extension for 6 months until November 1, 2002; and the security device in the amount of$18,150.00,will be held by the City until such time as the improvements are complete. MOTION CARRIED. 4. ADJOURNMENT: Chairman Watts adjourned the meeting at 9:20 a.m. Board of Public Works April25,2001 nr,- c� G1 _ IXj Page 2 I" Action: Moved by Christensen,seconded by Gray to approve a variance to the Underground Ordinance to install overhead utility lines from the Puget Sound Energy pole to the single-family residence at 1511 Morris Ave. S. MOTION CARRIED. • Off-Site Deferral, Stone Castle,LUA 99-187, 1917 N.E. 24th St. - Applicant requests a deferral for street poles, fencing, final lift of asphalt, and street monuments,to record the plat. Discussion: The streetlights have been installed. The homes are in close proximity with a 5-foot setback. Prior to construction, fence installation would create a building problem during construction. The street monuments would have to be raised after the final lift of asphalt. Action: Moved by Christensen,seconded by Gray,to approve the deferral, subject to the following conditions: 1) Applicant shall provide a certified letter to the City,by a Licensed Surveyor, stating that installation of the centerline monuments will be done within one year of the recording date of the plat;2)to delete the street lights from the original application; and 3)applicant shall post a letter of credit or other acceptable security device in the amount of$39,835.20 (150%of the cost of the improvements). MOTION CARRIED. • Off-Site Deferral, Stone Lane Plat,LUA 00-082, 502 Queen Ave.N.E. Applicant requests a deferral for installation of infiltration drainage system for roof water run-off until the foundations of the homes are installed. Discussion: The necessary trenches would be damaged during construction of the foundations. Each lot will require a storm drainage connection permit to tie it into the public system. Some type of internal tracking needs to be done so that the inspector is aware of this condition of approval at final inspection.. Action: Moved by Christensen,seconded by Gray to approve the deferral for Lots 1-4 and 8-12, subject to the following conditions: 1)Applicant shall post a letter of credit or other acceptable security device in the amount of$15,525.00 (150%of the cost of the improvements;and 2)that the infiltration trenches be installed on Lots 1-4 and 8-12 as the homes are built,or within one year(April 25,2002). MOTION CARRIED. 4. OLD BUSINESS: • On-Site Deferral,Elizabeth Place,LUA 99-159, 1221 Edmonds Ave. N.E. - Applicant requests a deferral for final lift of asphalt to complete recording of the plat. Discussion: This item has been removed from the Board's agenda. The inspector reported there were no punch list items. 5. ADJOURNMENT: The meeting adjourned at 9:15 a.m. ,_uA- 619 - /6] 1 /2p 1101) 1111 22617-8th Dr.SE CENTURION DEVELOPMENT (425)486-2563 OFF Bothell,WA 98021 SERVICES (425)486-3273 FAX May 1, 2001 DEVELOPMENT-PLANNING Elizabeth Higgins, Senior Planner RENTON City of Renton Development/Planning MAY 0 4 2000 1055 South Grady Way RECEIVED Renton, WA 98055 Re: Stone Castle (Formerly "Shorewood") Request for"Minor Modification" Dear Elizabeth: On behalf of our client, M.J.F. Holdings, Inc., I would like to request a minor modification to the referenced plat. The original applicant, Investment Properties, Inc., indicated access to lots 23 through 28 by way of a 16' wide alley. This configuration was indicated on the preliminary plat approved by the City. Subsequent to preliminary plat approval but prior to the start of the engineering approval process our client, MJF. Holdings, Inc., a builder, acquired the property. During preparation of the project engineering plans we determined that, in this case, use of alley-loaded lots was relatively inefficient, requiring unnecessary sewer and water main extensions as well as unnecessary paved road resulting in reduced lot area. In addition, alley- loaded lots require rear-garaged homes. This style of home would be out of character with the rest of the homes in the project, which are all front-garaged. Accordingly, rather than using the alley approach as shown on the preliminary plat map, we proposed during engineering plan review to access lots 26 through 28 individually via NE 24th St. and lots 23 through 25 individually from the internal plat road. City engineering staff had no objection to the proposed reconfiguration so we revised the layout to that shown on the approved engineering plans and the submitted final plat map. Please call me at (425) 486-2563 if you have any questions or require additional information. Thank you in advance for your attention to this matter. Sincerely, CENTURION DEVELOPMENT S CES • Michael J. Romano Project Manager "Let us take the load. CITY F RENTON ..IL Planning/Building/Public Works Department Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator May 2, 2001 Mr.Michael J.Romano,Project Manager Centurion Development Services 22617—8th Drive SE Bothell WA 98055 Re: Stone Castle(Shorewood Preliminary Plat,LUA99-187,ECF,PP Dear Mr.Romano The City of Renton Development Services Division has received your request for a minor modification of the approved preliminary plat for the Shorewood subdivision(now referred to as Stone Castle). It is our understanding that the alley,approved on the preliminary plat plan, intended to provide utility service and access to Lots 23 to 28,was deemed inefficient by the subsequent property owner. You are correct in stating that the alley was not a requirement of the City of Renton. It was proposed by the project applicant,however, and was a part of the recommendation for approval to the City Council by the Hearing Examiner. • The City has reviewed your request for a modification,however, and has deemed it sufficient to approve the modification. In addition, we apologize for the delay in requesting the modification request. The need for the request should have been noted when the construction documents were submitted. A copy of this letter will be added to the preliminary plat file in the City Clerk's office. Sincerely -- Elizabeth Higgins, AICP Senior Planner Copy: Jan Illian Arneta Henninger file rent° 1901 2001 1055 South Grady Way-Renton,Washington 98055 ` ®This paper contains 50%recycled material,20%post consumer �to y�l�. y 05/01/01 TUE 10:18 FAX 4254862563 Mic.dael Romano i wluuz 117.1716 22617-84i Dr.SE CENTURION DEVELOPMENT (425)486-2563 OFF Bothell,WA 98021 SERVICES (425)486-3273 FAX May 1, 2001 Elizabeth Higgins, Senior Planner City of Renton Development/Planning 1055 South Grady Way `- Renton,WA 98055 Re: Stone Castle (Formerly"Shorewood") Request for"Minor Modification" Dear Elizabeth: On behalf of our client, M.J.F. Holdings, Inc., I would like to request a minor modification to the referenced plat. The original applicant, Investment Properties, Inc., indicated access to lots 23 through 28 by way of a 16'wide alley. This configuration was indicated on the preliminary plat approved by the City. Subsequent to preliminary plat approval but prior to the start of the engineering approval process our client, MJF. Holdings, Inc., a builde , acquired the property. During preparation of the project engineering pl ns we determined that, in this case, use of alley-loaded lots was relatively inefficient, requi ng unnecessary sewer and water main extensions as well as unnecessary paved road resulting in reduced lot area. In addition, alley- loaded lots require rear-garaged homes.This style of home would be out of character with the rest of the homes in the project, which are all front-garaged. Accordingly, rather than using the alley approach as shown on the preliminary plat map,we proposed during engineering plan review to access lots 26 through 28 individually via NE 24th St. and lots 23 through 25 individually from the internal plat road. City engineering staff had no objection to the proposed reconfiguration so we revised the layout to that shown on the approved engineering plans and the submitted Anal plat map. Please call me at(425) 486-2563 if you have arliy questions or require additional information. Thank you in advance for your attention to this atter. Sincerely, CENTURI N DEVELOPMENTS CES • Michael J1 Romano Project Manager "Let us take the load" ( Y CITY OF RENTON ti + c's fn +I BOARD OF PUBLIC WORKS ..0 Jesse Tanner, Mayor April 27, 2001 Michael J. Romano Centurion Development Services 22617 8th Dr. S.E. Bothell WA 98021 SUBJECT: REQUEST FOR ON/OFF-SITE DEFERRAL STONE CASTLE PLAT - LUA 99-187 , PP 1917 N.E. 24TH ST., RENTON WA Dear Mr. Romano: The Board of Public Works met on Wednesday, April 25, 2001 to consider your request for a deferral of fencing, final lift of asphalt, and street monuments for a one-year period until April 26, 2002. The Board approved your request, subject to the following conditions: 1 ) Applicant shall provide a letter to the city, certified by a Licensed Surveyor, that installation of the centerline monuments will be done within one year of the recording date of the plat; and 2) To delete the street lights from the original application because they are installed; and 3) Applicant shall post a letter of credit or other acceptable security device in the amount of $39,835.20 (150% of the cost of the improvements). Please be advised that the date the Board grants the deferral is the temporary effective date of the deferral, subject to the applicant providing said security device within 30 days, which would be June 1, 2001 . If the security device is accepted, the deferral then becomes permanent subject, of course, to any other conditions placed by the Board. If you fail to submit an approved security device within the 30-day period, the deferral becomes null and void. A sample set aside form is enclosed for your use. Please ensure that the effective date of the set aside is June 1 , 2001 , with an open-ended expiration date to expire when the deferred improvements are installed and approved. Once the improvements have been installed, then written documentation shall be submitted for the record and the security device will subsequently be released. 1055 South Grady Way - Renton, Washington 98055 (425)430-7204 Facsimile (425)430-7241 H:\DI VISION.S\BPW\DEFERRAL\stoncasldoc\cor May 1, 2001 Page 2 The deferral will expire on April 26, 2002. If you have any questions or concerns you may contact Juliana Sitthidet, Board Coordinator, at (425) 430-7278. Sincerely, , Mickie Flanagan, Recording Secretary cc: Board Members Julianna Sittidet, Board Coordinator LUA 99-187 File H:\D1 VISION.S\BP W\DEFERRAL\stoncasl.doc\cor =� = CITY ''IF RENTON ALI k Y.. City Clerk Jesse Tanner,Mayor• Marilyn J.Petersen • . April 25, 2000 Mr. Carl Stixrood RCA/Huitt-Zollars 814 E. Pike Seattle, WA 98122 Re: Shorewood Preliminary Plat; File No. PP-99-187 Dear Mr. Stixrood: At the regular Council meeting of April24, 20 0, the Renton City Council approved the referenced preliminary plat subject to the conditions outlined in the hearing examiner's recommendation, dated March 23, 2000. Pursullant to RCW, a final plat meeting all requirements of State law and Renton Municipal Code shall be submitted to the City for approval within five years of the date of prelim nary plat approval. If I can provide additional information or assistance, please feel free to call. Sincerely, / Manly -rsen City Clerk/ able Manager cc: Mayor Jesse Tanner Council President Randy Corman Elizabeth Higgins, Development Services Division Fred Kaufman, Hearing Examiner • • • 1055 South Grady Way - Renton, Washington 98055 - (425)430-6510 /FAX(425)430-6516 :.: This paper contains 50%recycled njaterial,20%post consumer April 24,2000 Rent n City Council Minute Page 141 back to the Board f Public Works for preparation of detailed Findings and Conclusions, and r quests that the Board of Public Works seek assistance from the City Attorney's office in preparing those Findings and Conclusions. Once the Findings and Conclusions are available, the committee will make its recommendation based on the testimony taken at its committee meeting of April 20, 2000. MOVED BY KEOLKER-WHEELER, SECONDED BY SCHLITZER, COUNCIL CONCUR IN THE COMMITTEE REPORT. CARRIED. City Attorney Lawrence J. Warren warned Councilmembers that,because this matter will remain on appeal until it is resolved, the rules pertaining to quasi- judicial matters apply. Specifically, Councilmembers are not allowed to have ex parte communications with any parties on this subject. If such communication should occur,the participating Councilmember will be required to disclose the incident on the Council floor and allow rebuttal time by the opposing side. ADMINISTRATIVE Chief Administrative,Officer Jay Covington reviewed a written administrative REPORT report summarizing the City's recent progress towards goals and work programs adopted as part of its business plan for 2000 and beyond. Items noted included: * With the assistance of the Human Services division, Boeing employees generously donated over 700 Easter baskets to Communities in Schools of Renton for low-income Renton children. * The Recreation Division's "Hip Hoppin' Egg Hunt&Carnival"at the Community Center last Saturday drew over 1200 children and their parents. * Thanks in part to the Telephone Pioneers of America, over 35 visually impaired children and their families hunted for specially-made"beeping" Easter eggs at the Senior Activity Center on Saturday. AUDIENCE COMMENT Chris Dickson, 17650— 134th Ave. SE, Renton, 98058,reported that the traffic Citizen Comment: Dickson= signal at the intersection of 134th Ave. SE and Petrovitsky Road takes an Traffic Signal at 134th Ave SE inordinate amount of time to turn green. Mayor Tanner replied that while this &Petrovitsky intersection is outside of Renton's jurisdiction, the City would be happy to contact King County regarding this matter on Mr. Dickson's behalf. CONSENT AGENDA Items on the consent agenda are adopted by one motion which follows the listing. Executive: Opposition to Executive Department recommended approval of a resolution opposing a five- Federal Moratorium on year extension of the current federal moratorium on Internet taxes. Council Internet Taxes concur. (See page 143 for resolution.) CAG: 00-051, 2000 Slurry City Clerk reported bid opening on 4/19/00 for CAG-00-051, 2000 Slurry Seal Seal Project,Blackline Inc project; one bid; engineer's estimate$94,792.00; and submitted staff recommendation to award the contract to the sole bidder,Blackline, Inc., in the amount of$97,188.32. Council concur. Plat: Shorewood, 1900 Block Hearing Examiner recommended approval, with conditions, of the Shorewood of NE 24th St(PP-99-187) Preliminary Plat; 28 single family lots on 4.35 acres located in the 1900 block of NE 24th St. (PP-99-187). Council concur. MOVED BY SCHLITZER, SECONDED BY KEOLKER-WHEELER, COUNCIL APPROVE THE CONSENT AGENDA AS PRESENTED. CARRIED. \1 f i � 4 CITY OF RENTON COUNCIL AGENDA BILL • AI #: SUBMITTING DATA: FOR AGENDA OF: Dept/Div/Board.. HEARING EXAMINER Staff Contact... Fred J. Kaufman, ext. 6515 AGENDA STATUS: Consent XX SUBJECT: Public Hearing.. Shorewood Preliminary Plat Correspondence.. File No. LUA99-187,PP Ordinance Resolution Old Business.... EXHIBITS: New Business.... Study Session... Hearing Examiner's Report and Recommendation Other RECOMMENDED ACTION: APPROVALS: Legal Dept Approval of Hearing Examiner's Recommendation Finance Dept.... Other FISCAL IMPACT: N/A Expenditure Required... Transfer/Amendment.. Amount Budgeted Revenue Generated... SUMMARY OF ACTION: The Hearing Examiner's Report and Recommendation on Shorewood Preliminary Plat was published on March 23, 2000. There were no requests for reconsideration and the appeal period ended on April 6, 2000. The Examiner recommends approval of the proposed preliminary plat, subject to the conditions outlined on pages 5 and 6 of the Examiner's Report and Recommendation. This office notes that the conditions placed on this project are to be met at later stages of the platting process. STAFF RECOMMENDATION: Staff recommends approval of the Shorewood Preliminary Plat. March 23,2000 OFFICE OF THE HEARING EXAMINER CITY OF RENTON REPORT AND RECOMMENDATION APPLICANT: Blaine Miller Investment Properties Shorewood Place Preliminary Plat File No.: LUA-99-187,PP LOCATION: 1917 and 1929 NE 24th SUMMARY OF REQUEST: To subdivide 4.35 acre parcel into 28 lots for single family residences SUMMARY OF ACTION: Development Services Recommendation: Approve with conditions DEVELOPMENT SERVICES REPORT: The Development Services Report was received by the Examiner on February 21,2000. PUBLIC HEARING: After reviewing the Development Services Report, examining available information on file with the application, field checking/he property and surrounding area; the Examiner • conducted a public hearing on the subject as follows: MINUTES The following minutes are a summary of the February 29,2000 hearing. The legal record is recorded on tape. The hearing opened on Tuesday,February 29,2000, at 9:00 a.m. in the Council Chambers on the seventh floor • of the Renton City Hall. Parties wishing to testify were affirmed by the Examiner. The following exhibits were entered into the record: Exhibit No. 1: Yellow file containing the original Exhibit No.2: Site plan application,proof of posting,proof of publication and other documentation pertinent to this request. Exhibit No.3: Vicinity map Exhibit No.4: Topographic survey Exhibit No.5: Preliminary grading, drainage,water Exhibit No. 6: Sidewalk sections and sanitary sewer plan Exhibit No.7: Zoning map The hearing opened with a presentation of the staff report by ELIZABETH HIGGINS,Project Manager, Development Services, City of Renton, 1055 S Grady Way,Renton,Washington 98055. The applicant is • proposing to divide a 4.35 acre parcel into 28 lots for detached single family homes. The site is located in northeast Renton on NE 24th Street between Aberdeen Avenue NE and Jones Avenue NE. The zoning Blaine Miller Investment Properties Shorewood Preliminary Plat File No.: LUA-99-187,PP March 23,2000 Page 2 designation is R-8(Residential- 8 dwelling units per acre)and Single Family Residential designation in the Comprehensive Plan(CP). The adjacent properties are also single family. There are currently two single family homes with outbuildings on the site which will be removed. Access to the site will be from NE 24th Street as an extension of Monterey Avenue NE and will be a new street ending in a cul-de-sac. There would also be a private driveway that would access Lots 4 and 5 and a private alley that would provide back access to Lots 23 through 28. The proposed 28 lots will range in size from 4,531 to 6,996 square feet. The net density will be 8 dwelling units per acre. Approximately 7,000 cubic yards of topsoil will be stripped from the site,but some will be returned after construction for landscape purposes. The entire site requires grading and approximately 191 trees will be removed. The property slopes in three directions--southward from NE 24th,to the west and to the east. The slope to the southwest is quite steep and consists of sandy soils. The surface water from streets,walks and driveways will be collected, detained in vaults under the cul-de-sac and released after treatment to a level spreader in the southwest corner of the site. The Environmental Review Committee(ERC)issued a Determination of Non-Significance-Mitigated(DNS- M)with several mitigation measures attached, including payment of transportation,parks and fire mitigation fees. There are several environmental concerns regarding this site, including the steep slopes and the underlying Aquifer Protection Area 2. The surface water control system that has been proposed is appropriate for this development. The steep slopes will be mitigated by retaining walls up to six feet tall. Several objectives of the CP designation of Single Family Residential are complied with in this proposal,such as protection and enhancement of single family areas, improving opportunities for public transportation,and making more efficient use of urban services and infrastructure. The proposal complies with the underlying zoning of R-8 and its subdivision regulations in lot size, lot arrangement, area and width: The applicant has asked for and been granted a modification of street standards to reduce the width of the street from 52 to 42 feet which allows for the alignment with the existing Monterey Avenue NE. The applicant has also asked for a modification from the sidewalk requirement of extending the sidewalk up to NE 24th Street in order to have a terraced situation from the curb down to the adjacent property line. The Plan Review Division did not approve that modification because of the possibility of the adjacent site being developed at a later date and then not being. able to get a sidewalk in there. Staff has recommended therefore that a sidewalk be extended an additional 100 feet all the way to NE 24th Street. Police and Fire Departments have indicated that sufficient resources exist to provide service to this proposal. The Renton School District has also determined that it can accommodate the students generated from this proposal. Staff recommended approval of the Shorewood Preliminary Plat,subject to the following conditions: (1) compliance with the ERC mitigation measures; and(2)applicant shall either draft and record a homeowners association or a maintenance agreement of all common improvements. Carl Stixrood, 814 E Pike, Seattle,Washington 98122, applicant representative herein,responded that the proposed alley was to meet a code requirement to provide emergency access from NE 24th as well as providing a private access not from an arterial. The garage dominance has also been minimized. He further stated that most of the trees to be removed were young alders. Frank Wall, 814 E Pike, Seattle, Washington 98122,applicant representative herein, discussed the steep slope and the grade changes on the site which dictated the placement of the roadway. He further stated that the sewer Blaine Miller Investment Properties Shorewood Preliminary Plat File No.: LUA-99-187,PP March 23,2000 Page 3 as proposed connects to an existing gravity main and is an entirely gravity-fed system. Regarding the retaining walls, it is the applicant's intention to provide protective fencing. John Cowen, 1830 NE 24th,Renton,Washington 98056,whose property,is to the north of the site, stated his concerns regarding runoff from this site into the existing wetlaHid to the west of the site. He also expressed concern regarding clear-cutting the site and the proposed water detention system. Neil Watts,Plan Review Supervisor,Development Services Division, City of Renton, 1055 S Grady Way, Renton,Washington 98055,explained that the release rate for the completed development must be the same or less than pre-developed rates. That is accomplished by providng detention for the developed area itself. The houses and yards themselves will have infiltration. The Examiner called for further testimony regarding this project. There was no one else wishing to speak, and no further comments from staff. The hearing closed at 9:50 a.m. FINDINGS, CONCLUSIONS &DECISION Having reviewed the record in this matter,the Examiner now makes and enters the following: FINDINGS: 1. The applicant,Blaine Miller,filed a request for approval of a 28-lot single family plat. 2. The yellow file containing the staff report,the State Environmental Policy Act(SEPA) documentation and other pertinent materials was entered into the recod as Exhibit#1. • 3. The Environmental Review Committee(ERC),the City's responsible official, issued a Declaration of Non-Significance-Mitigated (DNS-M)for the subject proposal. 4. The subject proposal was reviewed by all departments with an interest in the matter. 5. The subject site includes two parcels located at 1917 and 1929 NE 24th Street. The subject site is located on the south side of NE 24th between Aberdeen Avenue NE and Jones Avenue NE. Two single family homes and assorted outbuildings are also located on the two parcels. 6. The subject site is an approximately 4.35 acre(189,410 square feet)parcel. The parcel is irregularly shaped and is approximately 600 feet deep(north to south)by approximately 500 feet wide. The parcel is widest at the center but only has approximately 220 feet of frontage along NE 24th. 7. The site has grades that range up to 20 percent based on recent definitions of grade. The site slopes downward to the west,south and east from near its center. The steeper local slopes are approximately 27 percent and 37 percent. 8. , The subject site was annexed to the City with the adoption of Ordinances 1818 and 1827 enacted in March and May of 1960,respectively. 9. The subject site received its current R-8 (Single Family Residential- 8 lots/acre)Zoning with the adoption of Ordinance 4404 enacted in June 1993. Blaine Miller Investment Properties Shorewood Preliminary Plat File No.: LUA-99-187,PP March 23,2000 Page 4 10. The map element of the Comprehensive Plan designates the area in which the subject site is located as suitable for the development of single family uses,but does not mandate such development without consideration of other policies of the Plan. 11. The applicant has proposed dividing the subject site into 28 single family lots that are generally arrayed on both sides of a new, dead-end cul-de-sac. 12. The lots proceed in order from Proposed Lot 1 in the northeast corner of the site,generally down along the east or south side of the curving road and then up along the west or north side of the road. Proposed Lots 4 and 5 are interior lots that will be served by a pipestem easement that they would share with Proposed Lot 3. The six lots in the northwest corner of the subject site,Lots 23 through 28,form a small two-tier cluster around a center east-west alley. 12. The proposed lots range in size from approximately 4,531 square feet to over 7,000 square feet. Most of the lots are in the 5,000 to 6,000 square foot range. 13. The new road would align with Monterey Avenue NE which is located due north of the subject site. The new road would turn twice. The road would be 42 feet wide reduced from the normal 52 feet by permission of an administrative determination. It would begin running south into the site,turn west • approximately 200 feet into the site and then turn south after another approximately 200 feet. The last leg of the roadway would be approximately 280 feet long. 14. The roadway exceeds the normal 500 foot length permitted for a sole access and homes located more than 500 feet from NE 24th would have to have sprinklers. This would mean Proposed Lots 10 through 20 would have to be equipped with sprinklers. 15. The applicant has requested a modification to facilitate the alignment of the new road and the existing Monterey to create a regular intersection and to accommodate the grade of the adjacent parcel to the east. The roadway would be narrower as approved by staff but the applicant also wants to remove approximately 100 linear feet of sidewalk on the east side of the new street immediately south of 24th. Staff has recommended that this modification not be approved. Staff believes that the sidewalk can be appropriately installed,that the grade differences are not insurmountable and the City favors sidewalks throughout the City. 16. The applicant proposes regrading large portions of the site to accommodate the main road through the site and to allow access to the parcels. The applicant would remove most of the vegetation, including a number of significantly sized trees to accommodate the grading. There would be two grading operations. One would remove and restore topsoil,while the second would remove underlying materials. Approximately 7,000 cubic yards of topsoil would be removed with some of it being reused to balance and finish the grading. Approximately 14,100 cubic yards of subsoil would be removed and approximately 13,000 cubic yards would be reused. Retaining walls up to 72"or six feet would be created in some areas. The applicant indicated that drop-offs would be protected by appropriate fencing. 17. Staff has indicated that sewer with gravity feed can serve the subject site. The subject site is located in Aquifer Protection Area 2. Storm water will be collected from rooftops and infiltrated into the soils and surface waters will be collected,detained and released. The development of the subject site will not Blaine Miller Investment Properties Shorewood Preliminary Plat File No.:LUA-99-187,PP March 23,2000 Page 5 solve existing drainage problems but staff indicates that it should not exacerbate any problems. 18. A transportation analysis shows that the LOS at certain key intersections around the site will not suffer substantial impacts. 19. The projected traffic of the 26 new homes(two existing)would be approximately 247 trips per day. 20. The development of 26 new homes would generate approximately 11 to 12 students who will be assigned to the Renton School District on a space available basis. 21. The density of the 28 homes will be approximately 8.0 dwelling units per acre which matches the zoning and planning goals for this area. • CONCLUSIONS: 1. The proposed plat appears to serve the public use a d interest. The plat will provide additional housing opportunities in an area well served by urban services. 2. The parcels are generally rectangular with the exception of parcels located on the curving road and around the cul-de-sac. The parcels all meet the length,width and area requirements of the R-8 Zone. 3. The lots are compatible with both the zoning and C Imprehensive Plan. There are lots that are somewhat larger than the minimum required size. They will blend with surrounding development. 4. The development should not tax either the road system or the existing utility infrastructure. Development of the additional lots will also increase the tax base of the City. 5. The proposed development of this area will also permit infill in an area with services and avoid urban sprawl. 6. The applicant will need approval of the Board of Pub is Works for any driveways or roadways which exceed City standards. 7. As proposed the plat will provide a density of approximately 8 dwelling units per acre. This density has been achieved by reducing the road width thereby providing additional land for lots. To provide this density it is difficult to preserve vegetation because of the limited lot area. It is even more difficult to preserve trees when carving such lots out of complex I errain such as found on the subject site. 8. In conclusion,the proposed plat appears to meet standards and will add to the tax base of the City without unduly burdening City systems. RECOMMENDATION: The Preliminary Plat is approved subject to the following conditions: 1. The applicant shall comply with the mitigation measures which were required by the ERC. 2. The applicant shall either draft and record a homeowners association or a maintenance Blaine Miller Investment Properties Shorewood Preliminary Plat File No.: LUA-99-187,PP March 23,2000 Page 6 agreement for the maintenance of all common improvements,including private storm water facilities and utility and other easements,and other common areas. A draft of the document shall be submitted to the Development Services Division for review and approved by the City Attorney prior to the recording of the final plat. 3. The applicant shall erect fences or rails at the top of any area where they create a vertical or nearly vertical retaining wall or slope over 3 feet. ORDERED THIS 23rd day of March 2000. FRED J.KA HEARING E ER TRANSMI 1-1'ED THIS 23rd day of March,2000 to the parties of record: Elizabeth Higgins Carl Stixrood Frank Wall 1055 S Grady Way 814 E.Pike 814E Pike Renton,WA 98055 Seattle, WA 98122 Seattle, WA 98122 Neil Watts John Cowen Michael Lai 1055 S Grady Way 1830 NE 24th 125 8th Ave,#155 Renton, WA 98055 Renton, WA 98056 Seattle,WA 98104 Lilly Watson Howard H.LaPlant Mary Darlene Lande-Shane Michael Douglas Watson Muriel E. LaPlant 9037 38th Avenue SW 1929 NE 24th 1917 NE 24th Seattle,WA 98126 Renton,WA 98056 Renton, WA 98056 Blaine Miller Investment Properties P.O.Box 6487 Kent,WA 98064 TRANSMITI ED THIS 23rd day of March, 2000 to the following: Mayor Jesse Tanner Gregg Zimmerman,Plan/Bldg/PW Admin. Members,Renton Planning Commission Jana Hanson,Development Services Director Chuck Duffy,Fire Marshal Sue Carlson,Econ.Dev.Administrator Lawrence J.Warren, City Attorney Larry Meckling,Building Official Transportation Systems Division Jay Covington,Chief Administrative Officer Utilities System Division Councilperson Kathy Keolker-Wheeler South County Journal Betty Nokes,Economic Development Director Pursuant to Title IV, Chapter 8, Section 15 of the City's Code, request for reconsideration must be filed in writing on or before 5:00 p.m., April 6,2000. Any aggrieved person feeling that the decision of the • , Blaine Miller Investment Properties Shorewood Preliminary Plat File No.: LUA-99-187,PP March 23,2000 Page 7 Examiner is ambiguous or based on erroneous procedure,errors of law or fact,error in judgment, or the discovery of new evidence which could not be reasonably available at the prior hearing may make a written request for a review by the Examiner within fourteen(14)days from the date of the Examiner's decision. This request shall set forth the specific ambiguities or errors discovered by such appellant, and the Examiner may, after review of the record,take further action as he deems proper. An appeal to the City Council is governed by Title IV, Chapter 8, Section 16,which requires that such appeal be filed with the City Clerk,accompanying a filing fee of$75.00 and meeting other specified requirements. Copies of this ordinance are available for inspection or purchase in the Finance Department,first floor of City Hall. If the Examiner's Recommendation or Decision contains the requirement for Restrictive Covenants,the executed Covenants will be required prior to approval by City Council or final processing of the file. You may contact this office for information on formatting covenants. The Appearance of Fairness Doctrine provides that no ex parte 'private one-on-one)communications may occur concerning pending land use decisions. This means that parties to a land use decision may not communicate in private with any decision-maker concerning the proposal. Decision-makers in the land use process include both the Hearing Examiner and members of the City Council. All communications concerning the proposal must be made in public. This public communication permits all interested parties to know the contents of the communication arid would allow them to openly rebut the evidence. Any violation of this doctrine would result in the invalidation of the request by the Court. The Doctrine applies not only to the initial public hearing but to all Requests for Reconsideration as well as Appeals to the City Council. 1 • • PRELIMINARY PLAT :1; �'". • I SHOREWOOD MON1 Arc r•ROKTCNT►RI . • 51 1•3 o e sR X/.24TN STREET 9, RENTON, WASHINGTON Y�'� ,� IOW _ NituCT.{,T.Za N..IL L.IIY LEGEND M L - 'AllnORRTT DOVOARY • I I. I I I.!!1 I 1 I CITY OF RENTON ZONING INFORMATION „ I,————Lot"W 28 N. 27 �;i 28 • COMO R-O OORm 1300-Or-R•i I 1. I yp LOTS 20 CAx,dT 1 T L.____JI LI___.M. • JI - ' OO ROtOxD�N!! TOTAL ARCa 1•36 AG —--—ROAl1WB i 1I I LOT ARCH 33 AG C10TAL►ARGCL NZC 7T tJS STREET RAW.) I npGxD C.MO MICR � :N.10-1 16� L�• I . '-•.. ROW AREA 052 AG ..NU 111111 I , PN0►0000 DENSITY 20 UV}/»*CRCS•0 LHTS/ACRC ....•••!". ..7•PN OxO TATCROR r+�,Qyr -pop aTo, I I I 1 DENSITY RTD1TTCD 0 WTS/AG•»AG•.20 WTI, ANIGICTLOC TCTUM UR r r i` .1 ii,...,1171),*4.1 LAND II SCNI,ITNC 0.0 AG-NO I,OIWTIIC AREAS NAK SCOW CIOTWCD npox0 fd SUM • I I •.,,.fin�_r AR[.I, _aN Ng. I „ D[A.urc[.eNDTr ' I 1 23 'i 24 t'l 25 1 ---,---. ff p I I y SHEET INDEX 9 1t1 _--j1.�r_-- L j� y' J it 2 i AtlgC •JNCCT auWNc DTLC I I I /' L=_�... —' 1 n-1 con:R teat Aro LOT Wan .- �� a6i(su l-Mrt• / /-_ ---i i X ` I p9 L n-[ l VC,w I nO,OxD••— / 1..00 -_ _ I3.o0 - 2••� 3 1 it I n-. rouwART N•R CIACIW WM 01MIC.Tram go IMrmy X.R • WIWI NO DMCV .� -,/-- -�u'ndli xTD.GM1 TV. �.^� ", ' i ' 22 i / • .Jtt •. PROPERTY OWNERS —_= a xanrr r__�n•• -- y c/_ • r- r•�__111 1 rs 3•I r -,-•-n0r0xW 1 •I y / 7enpoxD•• 1 LI 11 I 1 '1 1 1 I >IO rer•K • LAMM tl3T UM AK.SW.x6TIli.WA AMA I 9 / CAxx.rr,a LI I 1 8 1 I I ; soon uo VT[�n[6 k1 o g1 hI 1 IQ, 6 -1, 5 LI I 4 I. n»[rtup IAII/M 1•IT NC.EMI Wru[r,IQMOL Wl SO'Je 2 I 21 I .VI I 9 8 �I Ili. Ill Ili, OMLpKMT WArea Ia.OIL 1.D•WTR¢r.ROOOq WA W1004 L-..� L_— --J J' 1 11 I e ppp {ICE --_ _- F , [ apaim.a r-__Aoa••__-7,, Etl LI i--_You..__I I1 j11 I II II Ill • II___ ._ PROJECT CONTACTS • 8 1 ' +IL;3 1 I I_—__ IL__--i,L----Jk ----J,L•----J R I 20 I i ;f 10 1 sew I ,•et m ,�. Dm= nntr-r II020. L��" _J I �L_-•r�s.� •war I r!K AVOW.7n. $� ewe MLR CAW.AMOOq ALGA _ r--- .—. --.1 Id u.A xTe•CIL w c •M[eTRM np[RKW •SA.WU11•IOLAMa r• __, I I I I6.0.DOS AA51 eWWIVY[-I IT. 1 I I fP1 ,WNr.W•SOil4p x•rN[.Na%Ur I 9 9 , 1�E "1 1 11 I A _ =n._ VICINITY MAP I • • ernsr.,0L= Rete,T M•Nfill I-_.wibn4-_J _-n•a•. ._ • OIW6R T0•TCq P.L. AJA1 rn6Ce.IL.S r__..p1ar__-J • \ —�. �•� RCaMIn-uums RCAIMJrT-I*6.MI ' 1 , I �� 12 1 Bt H. \ 'e C. . 0,. III S.,W A 1•r. 1 18 ! / \ L I 2 'emu.WA Slif IAGtl11.WA gAOW I I / I l I — L..,ate� t wsn-T, >AL' _. . I LOT AREAS i I' 1 ! ' 13K Re II �A 17 1 ( 2 otFT.F_•ata<•2F7tNft EIMItC Sl 12INIti7� 2 c',� \ / n > 2 I • ,I t[f�s7C711E11M11531571,2fmf:!�� ill•N7•?Tf IIEMII _ ,,!,, •,� i ,' • v � EWI7v r�' �� 16 ---'`Ll 14 I ➢ I _ 5 1 �,v 15 d • l.r ERN NTEMME9atrlI,� W0 102971119111N[aEF'� �M J/ •wLn T •..,�,••T .. .- ... ... ._.I.._ _. WIN ICF27tit7T571111 1 i_71WIMI IAMIIMMIWW1 .. 14 AT I . • • WM IMAM 11 L rl•Ml•LOT CO•RlIC[w 33L SOR i'�y • was-s-zami57iCF1- LOT CO""Ca n"'''ILLOW 0.LOTS npo![D Td Wren �M ��•� � 5000 CW USA VCR 4-2-1100.0/ ~Mg MAW • ROOM onno.30 acC. LOT LAYOUT • • • NOT FOR CONSTRUCTIOD A,PROYALt ue.a. 0-0[r,-01 ew.... DRAWING N0. o.rt D•c•.••r lo,l.•. COVER SHEET AND RCARCA/ �e/Hr '�ZJ • PRELAARIrop PLAT S awCD CI.LW • . LJ Invoratm�nt Prop�rNs,LLC CLy/�j= �•^[D PROPOSED LOT LAYOUT PP-1 I.•w•r.•Ow 1.�.••.•1•r.w•rW.ww•Wt.+•W•O.•.wr 1..1� MIT N0 IM,GROCAST NT11 NII�T T.r e� ORCRD yip 1rt.rra • 1r no•Nm I...DdIV.•[o • h*61)3 A••e WA WOO 7 r w AGAL[ F-.a SHEET NO. w.aa>•T.r•�. w.. I 0r •4 Y..r 4 O 10 •O 00.n? LEGAL DESCRIPTION Portions of Tract 262 and 273 of C.H. Hillman's Lake Washington.Garden of Eden Division No.4 according to plat recorded in Volume 11 of Plats at page 82, in King County, Washington, described as follows: The east 63 feet of the north 200 feet of Tract 273, that portion of Tract 262 commencing at a point 60 feet east of the northwest corner of said Tract 262; thence south 135 feet parallel with the west boundary of said tract;thence east 90 feet parallel with the north line of said tract; thence north 135 feet parallel with said west line; thence west 90 feet to the point of beginning. Tract 262 except the south 238.72 feet thereof and; except that portion of Tract 262, described as follows; commencing 60 feet east of the northwest corner thereof; thence south following the west line of said tract 135 feet; thence east following the north line of said tract 90 feet; t fence north following the west line of said tract 135 feet to the north line thereof; thence west along the north line 90 feet to the point of beginning and less the north 100 feet of the easterly 102.3 feet thereof; and tract 273 except the north 200 feet thereof. ALL SITUATE IN THE NORTHEAST QUARTER OF SECTION 5, TOWNSHIP 28 NORTH, RANGE 5 EAST, W.M., CITY OF kENTON, KING COUNTY, WASHINGTON 13:56 FAX 12063281880 RCA/HUiTT-ZOLLARS a004 Attachment A CET 7 1917 to 1929 NE 24th St Renton, WA CITY OF is t i • LEGAL DESCRIPTION • PORTIONS OF TRACT 262 AND 273 'OF C.H. HILLMAN'S LAKE WASHINGTON GARDEN OF EDEN DIVISION NO. 4 ACCORDING TO PLAT RECORDED IN VOLUME 11 OF PLATS AT PAGE 82, IN KING COUNTY, .WASHINGTON, DESCRIBED AS FOLLOWS: THE EAST 63 FEET OF THE NORTH 200 FEET OF TRACT 273, THAT PORTION OF TRACT 262 COMMENCING AT A POINT 60 FEET EAST OF THE NORTHWEST CORNER OF SAID TRACT 262; THENCE SOUTH 135 FEET PARALLEL WITH THE WEST BOUNDARY OF SAID TRACT; THENCE EAST 90 FEET PARALLEL WITH THE NORTH . LINE OF SAID TRACT; THENCE NORTH 135 FEET PARALLEL WITH SAID WEST LINE: THENCE WEST 90 . FEET TO THE POINT OF BEGINNING. TRACT 262 EXCEPT THE SOUTH 238.72 FEET THEREOF AND; EXCEPT THAT PORTION OF TRACT 262, DESCRIBED AS FOLLOWS; COMMENCING 60 FEET EAST OF THE NORTHWEST CORNER THEREOF; THENCE • SOUTH FOLLOWING THE WEST LINE OF SAID TRACT "EA- 135 FEET; THENCE4FOLLOWING THE NORTH LINE OF SAID TRACT 90 FEET; THENCE NORTH FOLLOWING THE WEST LINE OF SAID TRACT 135 FEET' TO THE NORTH LINE THEREOF; THENCE WEST A ONG THE NORTH LINE 90 FEET TO THE POINT OF BEGINNING AND LESS THE NORTH 100 FEET OF THE EASTERLY 102.3 FEET THEREOF; AND TRACT 273 EXCEPT THE NORTH 200 FEET THEREOF. 1ot_1. 5 11:101.16Hi z I,lolz;-j1-1 ) .1.1c�•E• 5 >✓, Sj' W•frl. , G I-r( o- #3�1-t`bl.-1) fK Gflu I�!1�() 1j)Mb1-1 1 Lk TOI.-1 . CITY OF RE TON PLANNINGBUILDING/PUBLIC WORKS MEMORAN� DUM DATE: April 13,2000 TO: Marilyn Moses FROM: Sonja J. Fesser) SUBJECT: Shorewood Preliminary Plat,LUA-99-187,PP Legal Description Review Bob Mac Onie and I have reviewed the above referenced legal description and find the same error that was noted in our review memo dated February 1, 2900. See the attachment for the corection to said legal. Also note that we have included the appropriate section,township and range on the attachment that needs to be added to the subject legal d-scription. \H:\FILE.SYS\LND\10\0349\RV 000410.D 0 C LEGAL I ESCRIPTION Portions of Tract 262 and 273 of C.H. Hillman's Lake Washington Garden of Eden Division No. 4 according to plat recorded in Volume 11 of Plats at page 82, in King County, Washington, described as follows: The east 63 feet of the north 200 feet of Tract 273,that portion of Tract 262 commencing at a point 60 feet east of the northwest corner of said Tract 262; thence south 135 feet parallel with the west boundary of said tract; thence east 90 feet parallel with the north line of said tract; thence north 135 feet parallel with said west line; thence west 90 feet to the point of beginning. Tract 262 except the south 238.72 feet thereof and; except that portion of Tract 262, described as follows; clommencing 60 feet east of the northwest corner thereof; thence south following the West line of said tract 135 feet; thence east following the north line of said tract 90 feet; thence north following the west line of said tract 135 feet to the north line thereof; thence west along the north line 90 feet to the point of beginning and less the north 100 feet of the easterly 102.3 feet thereof; and tract 273 except the north 200 feet thereof. ALL SITUATE IN THE NORTHEAST QU TER OF SECTION 5, TOWNSHIP 28 NORTH, RANGE 5 EAST, W.M., CITY OF RENTON, KING COUNTY, WASHINGTON AFFIDAVIT OF SERVICE BY MAILING STATE OF WASHINGTON ) ss. County of King ) MARILYN MOSES ,being first duly sworn,upon oath, deposes and states: That on the 23rd day of March,2000, affiant deposited in the mail of the United States a sealed envelope(s) containing a decision or recommendation with postage prepaid, addressed to the parties of record in the below entitled application or petition. Signature: " \ � K (5Zao SUBSCRIBED AND SWORN to before me this v2-3rol day of l) , 2000, .104,CL6- Notary Public,in and for the State of Washington, residing at /2-t&il YL , therein. Application, Petition, or Case No.: Shorewo d Preliminary Plat LUA99-1 7,PP The Decision or Recommendation contains • complete list of the Parties of Record. HEARING EXAMINER'S REPORT March 23,2000 OFFICE OF THE HEARING EXAMINER CITY OF NTON REPORT AND RECOMMENDATION APPLICANT: Blaine Mler InvestmentProperties Shorewood Place Preliminary Plat File No.: LUA-99-187,PP LOCATION: 1917 and 1929 NE 24th SUMMARY OF REQUEST: To subdivide 4.35 acre parcel into 28 lots for single family residences SUMMARY OF ACTION: Development Services Recommendation: Approve with conditions DEVELOPMENT SERVICES REPORT: The Devel pment Services Report was received by the Examiner n February 21,2000. PUBLIC HEARING: After reviewing the Development Services Report, examining available information on file with the application, field checking t e property and surrounding area;the Examiner conducted a public hearing on the subject as follows: MINUT S The following minutes are a summary of the February 29,2000 hearing. The legal record is recorded on tape. The hearing opened on Tuesday,February 29,2000, at 9:00 a.m. in the Council Chambers on the seventh floor of the Renton City Hall. Parties wishing to testify were affirmed by the Examiner. The following exhibits were entered into the record: Exhibit No. 1: Yellow file containing the original Exhibit No.2: Site plan application,proof of posting,proof of publication and other documentation pertinent to this request. Exhibit No.3: Vicinity map E hibit No. 4: Topographic survey Exhibit No. 5: Preliminary grading, drainage,water Exhibit No. 6: Sidewalk sections and sanitary sewer plan Exhibit No.7: Zoning map The hearing opened with a presentation of the staff report by ELIZABETH HIGGINS,Project Manager, Development Services, City of Renton, 1055 S Grady Way,Renton,Washington 98055. The applicant is proposing to divide a 4.35 acre parcel into 28 lots for detached single family homes.The site is located in northeast Renton on NE 24th Street between Aberdeen Avenue NE and Jones Avenue NE. The zoning Blaine Miller Investment Properties Shorewood Preliminary Plat File No.: LUA-99-187,PP March 23, 2000 Page 2 designation is R-8 (Residential- 8 dwelling units per acre)and Single Family Residential designation in the Comprehensive Plan(CP). The adjacent properties aile also single family. There are currently two single family homes with outbuildings on the site which will be removed. Access to the site will be from NE 24th Street as an extension of Monterey Avenue NE and will be a new street ending in a cul-de-sac. There would also be a private driveway that would access Lots 4 and 5 and a private alley that would provide back access to Lots 23 through 28. The proposed 28 lots will range in size from 4,531 to 6,996 square feet. The net density will be 8 dwelling units per acre. Approximately 7,000 cubic yards of topsoil will be stripped from the site,but some will be returned after construction for landscape purposes. The entire site requires grading and approximately 191 trees will be removed. The property slopes in three directions-- southward from NE 24th,to the west and to the east. The slope to the southwest is quite steep and consists of sandy soils. The surface water from streets,walks and driveways will be collected, detained in vaults under the cul-de-sac and released after treatment to a level spreader in the southwest corner of the site. The Environmental Review Committee(ERC) issued a Determination of Non-Significance-Mitigated(DNS- M)with several mitigation measures attached, including payment of transportation,parks and fire mitigation fees. There are several environmental concerns regarding this site, including the steep slopes and the underlying Aquifer Protection Area 2. The surface water control s})stem that has been proposed is appropriate for this development. The steep slopes will be mitigated by retaining walls up to six feet tall. Several objectives of the CP designation of Single Family Residential are complied with in this proposal, such as protection and enhancement of single family areas, improving opportunities for public transportation, and making more efficient use of urban services and infrastructure. The proposal complies with the underlying zoning of R-8 and its subdivision regulations in lot size, lot arrangement, area and width. The applicant has asked for and been granted a modification of street standards to reduce the width of the street from 52 to 42 feet which allows for the alignment with the existing Monterey Avenue NE. The applicant has also asked for a modification from the sidewalk requirement of extendinglthe sidewalk up to NE 24th Street in order to have a terraced situation from the curb down to the adjacent property line. The Plan Review Division did not approve that modification because of the possibility of the adjacent site being developed at a later date and then not being able to get a sidewalk in there. Staff has recommended therefore that a sidewalk be extended an additional 100 feet all the way to NE 24th Street. Police and Fire Departments have indicated that sufficient resources exist to provide service to this proposal. The Renton School District has also determined that it can accommodate the students generated from this proposal. Staff recommended approval of the Shorewood Preliminary Plat, subject to the following conditions: (1) compliance with the ERC mitigation measures; and(2)applicant shall either draft and record a homeowners association or a maintenance agreement of all common improvements. Carl Stixrood, 814 E Pike, Seattle, Washington 98122, applicant representative herein,responded that the proposed alley was to meet a code requirement to provide emergency access from NE 24th as well as providing a private access not from an arterial. The garage dominance has also been minimized. He further stated that most of the trees to be removed were young alders. Frank Wall, 814 E Pike, Seattle, Washington 98122, applicant representative herein, discussed the steep slope and the grade changes on the site which dictated the placement of the roadway. He further stated that the sewer i i Blaine Miller Investment Properties Shorewood Preliminary Plat File No.: LUA-99-187,PP March 23,2000 Page 3 as proposed connects to an existing gravity main and is an entirely gravity-fed system. Regarding the retaining walls, it is the applicant's intention to provide protective fencing. John Cowen, 1830 NE 24th, Renton,Washington 98056,whose property is to the north of the site, stated his concerns regarding runoff from this site into the existin wetland to the west of the site. He also expressed concern regarding clear-cutting the site and the proposed water detention system. Neil Watts,Plan Review Supervisor,Development Services Division, City of Renton, 1055 S Grady Way, Renton, Washington 98055, explained that the release rate for the completed development must be the same or less than pre-developed rates. That is accomplished by providing detention for the developed area itself. The houses and yards themselves will have infiltration. The Examiner called for further testimony regarding this project. There was no one else wishing to speak,and no further comments from staff. The hearing closed at 9+50 a.m. FINDINGS, CONCLUSIONS &DECISION Having reviewed the record in this matter,the Examiner now makes and enters the following: FINDINGS: 1. The applicant,Blaine Miller,filed a request for approval of a 28-lot single family plat. 2. The yellow file containing the staff report,the State Environmental Policy Act(SEPA)documentation and other pertinent materials was entered into the ecord as Exhibit#1. 3. The Environmental Review Committee(ERC),the City's responsible official, issued a Declaration of Non-Significance-Mitigated(DNS-M)for the subject proposal. 4. The subject proposal was reviewed by all departments with an interest in the matter. 5. The subject site includes two parcels located at 1917 and 1929 NE 24th Street. The subject site is located on the south side of NE 24th between Abeideen Avenue NE and Jones Avenue NE. Two single family homes and assorted outbuildings are also located on the two parcels. 6. The subject site is an approximately 4.35 acre(189486 square feet)parcel. The parcel is irregularly shaped and is approximately 600 feet deep(north to south)by approximately 500 feet wide. The parcel is widest at the center but only has approximately 220 feet of frontage along NE 24th. 7. The site has grades that range up to 20 percent based on recent definitions of grade. The site slopes downward to the west, south and east from near its center. The steeper local slopes are approximately 27 percent and 37 percent. 8. The subject site was annexed to the City with the adoption of Ordinances 1818 and 1827 enacted in March and May of 1960,respectively. 9. The subject site received its current R-8 (Single Family Residential- 8 lots/acre)Zoning with the adoption of Ordinance 4404 enacted in June 1993. Blaine Miller Investment Properties Shorewood Preliminary Plat File No.: LUA-99-187,PP March 23,2000 Page 4 10. The map element of the Comprehensive Plan designates the area in which the subject site is located as suitable for the development of single family uses, but does not mandate such development without consideration of other policies of the Plan. 11. The applicant has proposed dividing the subject site into 28 single family lots that are generally arrayed on both sides of a new, dead-end cul-de-sac. 12. The lots proceed in order from Proposed Lot 1 lin the northeast corner of the site, generally down along the east or south side of the curving road and then up along the west or north side of the road. Proposed Lots 4 and 5 are interior lots that will be served by a pipestem easement that they would share with Proposed Lot 3. The six lots in the northwest corner of the subject site,Lots 23 through 28, form a small two-tier cluster around a center east-west alley. 12. The proposed lots range in size from approximately 4,531 square feet to over 7,000 square feet. Most of the lots are in the 5,000 to 6,000 square foot range. 13. The new road would align with Monterey Avenue NE which is located due north of the subject site. The new road would turn twice. The road would be 42 feet wide reduced from the normal 52 feet by permission of an administrative determination. ]t would begin running south into the site,turn west approximately 200 feet into the site and then turn south after another approximately 200 feet. The last leg of the roadway would be approximately 280 feet long. 14. The roadway exceeds the normal 500 foot length permitted for a sole access and homes located more than 500 feet from NE 24th would have to have s rinklers. This would mean Proposed Lots 10 through 20 would have to be equipped with sprinklers. 15. The applicant has requested a modification to facilitate the alignment of the new road and the existing Monterey to create a regular intersection and to accommodate the grade of the adjacent parcel to the east. The roadway would be narrower as approved by staff but the applicant also wants to remove approximately 100 linear feet of sidewalk on the east side of the new street immediately south of 24th. Staff has recommended that this modification not be approved. Staff believes that the sidewalk can be appropriately installed,that the grade differences are not insurmountable and the City favors sidewalks throughout the City. 16. The applicant proposes regrading large portions oflthe site to accommodate the main road through the site and to allow access to the parcels. The applicant would remove most of the vegetation, including a number of significantly sized trees to accommodate the grading. There would be two grading operations. One would remove and restore topsoil,while the second would remove underlying materials. Approximately 7,000 cubic yards of top oil would be removed with some of it being reused to balance and finish the grading. Approximately 14,100 cubic yards of subsoil would be removed and approximately 13,000 cubic yards would be reused. Retaining walls up to 72" or six feet would be created in some areas. The applicant indicated that drop-offs would be protected by appropriate fencing. 17. Staff has indicated that sewer with gravity feed can serve the subject site. The subject site is located in Aquifer Protection Area 2. Storm water will be collected from rooftops and infiltrated into the soils and surface waters will be collected, detained and released. The development of the subject site will not Blaine Miller Investment Properties Shorewood Preliminary Plat File No.: LUA-99-187,PP March 23,2000 Page 5 solve existing drainage problems but staff indicates that it should not exacerbate any problems. 18. A transportation analysis shows that the LOS at certain key intersections around the site will not suffer substantial impacts. 19. The projected traffic of the 26 new homes(two existing)would be approximately 247 trips per day. 20. The development of 26 new homes would generate approximately 11 to 12 students who will be assigned to the Renton School District on a space available basis. 21. The density of the 28 homes will be approximately 8.0 dwelling units per acre which matches the zoning and planning goals for this area. CONCLUSIONS: 1. The proposed plat appears to serve the public use nd interest. The plat will provide additional housing opportunities in an area well served by urban servibes. 2. The parcels are generally rectangular with the exception of parcels located on the curving road and around the cul-de-sac. The parcels all meet the length,width and area requirements of the R-8 Zone. 3. The lots are compatible with both the zoning and Comprehensive Plan. There are lots that are somewhat larger than the minimum required size. They will blend with surrounding development. 4. The development should not tax either the road system or the existing utility infrastructure. Development of the additional lots will also increase the tax base of the City. 5. The proposed development of this area will also permit infill in an area with services and avoid urban sprawl. 6. The applicant will need approval of the Board of Public Works for any driveways or roadways which exceed City standards. 7. As proposed the plat will provide a density of appr ximately 8 dwelling units per acre. This density has been achieved by reducing the road width thereby providing additional land for lots. To provide this density it is difficult to preserve vegetation because of the limited lot area. It is even more difficult to preserve trees when carving such lots out of complex terrain such as found on the subject site. 8. In conclusion,the proposed plat appears to meet st ndards and will add to the tax base of the City without unduly burdening City systems. RECOMMENDATION: The Preliminary Plat is approved subject to the following conditions: 1. The applicant shall comply with the mitigation measures which were required by the ERC. 2. The applicant shall either draft and record a homeowners association or a maintenance Blaine Miller Investment Properties Shorewood Preliminary Plat File No.: LUA-99-187,PP March 23,2000 Page 6 agreement for the maintenance of all common improvements, including private storm water facilities and utility and other easements, and other common areas. A draft of the document shall be submitted to the Development Services Division for review and approved by the City Attorney prior to the recording of the final plat. 3. The applicant shall erect fences or rails at t e top of any area where they create a vertical or nearly vertical retaining wall or slope over 3 feet. ORDERED THIS 23rd day of March 2000. FRED J.KAU HEARIN E ER TRANSMITTED THIS 23rd day of March,2000 to the parties of record: Elizabeth Higgins Carl Stixrood Frank Wall 1055 S Grady Way 814 E.Pike 814E Pike Renton,WA 98055 Seattle,WA 98122 Seattle,WA 98122 Neil Watts John Cowen Michael Lai 1055 S Grady Way 1830 NE 24th 125 8th Ave,#155 Renton,WA 98055 Renton,WA 98056 Seattle,WA 98104 Lilly Watson Howard H. LaPlant Mary Darlene Lande-Shane Michael Douglas Watson Muriel E. LaPlant 9037 38th Avenue SW 1929 NE 24th 1917 NE 24th Seattle,WA 98126 Renton,WA 98056 Renton,WA 98056 Blaine Miller Investment Properties P.O. Box 6487 Kent, WA 98064 TRANSMUTED THIS 23rd day of March,2000 to the following: Mayor Jesse Tanner G9egg Zimmerman,Plan/Bldg/PW Admin. Members,Renton Planning Commission Jana Hanson,Development Services Director Chuck Duffy,Fire Marshal Sue Carlson,Econ. Dev.Administrator Lawrence J.Warren, City Attorney Larry Meckling,Building Official Transportation Systems Division Covington, Chief Administrative Officer Utilities System Division Councilperson Kathy Keolker-Wheeler South County Journal Betty Nokes,Economic Development Director Pursuant to Title IV, Chapter 8, Section 15 of the City's Code, request for reconsideration must be filed in writing on or before 5:00 p.m., April 6,2000. Any aggrieved person feeling that the decision of the I Blaine Miller Investment Properties Shorewood Preliminary Plat File No.: LUA-99-187,PP March 23,2000 Page 7 Examiner is ambiguous or based on erroneous proceduie,errors of law or fact, error in judgment, or the discovery of new evidence which could not be reasonably available at the prior hearing may make a written request for a review by the Examiner within fourteen(114)days from the date of the Examiner's decision. This request shall set forth the specific ambiguities or errors discovered by such appellant,and the Examiner may, after review of the record,take further action as he deems proper. An appeal to the City Council is governed by Title IV, Chapter 8, Section 16,which requires that such appeal be filed with the City Clerk, accompanying a filing fee of$75.00 and meeting other specified requirements. Copies of this ordinance are available for inspection or purchase in the Finance Department,first floor of City Hall. If the Examiner's Recommendation or Decision contiins the requirement for Restrictive Covenants,the executed Covenants will be required prior to approval by City Council or final processing of the file. You may contact this office for information on formatting covenants. The Appearance of Fairness Doctrine provides that no e parte(private one-on-one)communications may occur concerning pending land use decisions. This means that iarties to a land use decision may not communicate in private with any decision-maker concerning the proposal1 Decision-makers in the land use process include both the Hearing Examiner and members of the City Council. All communications concerning the proposal must be made in public. This public communication permits all interested parties to know the contents of the communica ion and would allow them to openly rebut the evidence. Any violation of this doctrine would result in t e invalidation of the request by the Court. The Doctrine applies not only to the initial public he ing but to all Requests for Reconsideration as well as Appeals to the City Council. • - ' ..-•,•,:. -- ••,-.:1' ; .:' ,1.f . 1::' . • '4.i.l...t} .1,;':%.!'!:.."..1-.4943:g.V.00..!4.".!..Ilt(-:""tt,*14:"?'.i:.- _ • _ • • ' .! .." .f."::' : -C4',:•!32 . 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L.,, ge... ,.,:.. a ---v -g-- a ____, . __ _ 11 i 4k_h_ S . I I---- 17---I---I 1 1 lAkjill • ) , N-8 1.2 ti:T.:.— a. -,4- is : R-8(P \vt r • R-81 1 ' I_ I 1 rl 1 • ! Li L.j_ R-0 -R710 LL)-, \ 'I - --.i----1' I 1 ri7- f ----t---1-321-1 i E4 - 8 T23N It5! E 1/2 71,i2 ,.?: go • & 0 eh• ZONING • • • . 1;4800 D4 - .1,0. P/IWPW TECHNICAL SERVICES ., 5- T23N R5E E 1/2 IM72./99. ' - • i •PRELIMINARY PLAT _ file I SHOREWOOD12.176 APO 5.71.017211T `Mi 21TNeT11EET s y • RENTON, WASHINGTON ' y°°`"" SECT.R T.23 N. R I L.W.M. I•�QEND - bOe >om „r • ' r-___� r__--, r ''� . CITY OF RENTON ZONING INFORMATIONFRORRIT ea1oART • I o dI I 1 I i v. i _---..of uc 11 26 Vgii' 27 i, 28 I� 1 20NNG R-O 1ARtD1 RItln-0E-WAT , I.I p4 I y I ' , LOTS 26 - CAEORIIT 1 I i 1+ 1 L ' Y I+ :. OD meow:.rill fL___TOTAL AREA 4.35 AG -ROAOrAT i i L _J l:-___J J-f I LOT AREA 33 AG(TOTAL PARCEL 5122)H25 STREET R.O.WJ I -_- ROPOYO GUM AN)filfTdt i•= -mi0nr i °'nr-- 1' I '. .0••0.0• -' i ROW AREA 085 AG •• • PROPOSED DENSITY 26 LRRS/33 ACRES.O[PITS/ACRE . ••4w•'•Prm••P•ROPOS20 SCCW41R e•T.1.1 la- - �-, ' r_ +alax__I DENSITY PCRMTED D LNTS/AG•3.5 AG•.26 LINTS 5TRW111R&MGR N[ �-Ir mm Ir aim ! i 1 I • ET CODE _�I r{-__-�I 1 `I. 1 sena E� rttg LAND N SCNSRNC OA AC-NO 5Q/SONC AREAS NAVE UM®C11TflD ROrOSCD la sTarr 1, I --- ARCAS ON SITE. . ORAFU33 2ASNOR _-_ + I ► 1 ill 1 -_ . 25 I T SHEET INDEX • 'II --v1 Lr___�1 L i i $+ I 2 1 a • SHEET DRAWNG TITLE • • 1-1 I I , ' I 1 T-1 COVEN SIM NO LOT LATDIR I-.AA-- -..,-� / L-=`T��='' 2 T-2 MOT w ........--• /I .,.9fP8.. / ---��`--- J Td. TCIOOIMIL SLIMY I ROO[D r ' / XXX C.w2NT 10R2T t..-. _ "•-- 2�+, 3 1 1 I a Ty 1O12N.RT 21IC MI(RR STOW WINK rAIR 00 SWI.R/%RR ' YC'RYIt YO UM[Y �-- ' I ST TWIT SCITIACA.TIT. i ' 22 / "'o, - . .' �R� PROPERTY OWNERS _,`/ • - - -•3f •w•°- r - Y / 7`3*4Po51 r 1 11,1 1 I 1 1 1 1 1 r ,.,,,-- • PROPOSED IAII. tl313em AK.S.R.x 1101,WA llxc p I 1 D , [A•.A oj* MS 1 Q , LI, 1 I I 20 NN.IE LOWY 1117 NE 24m STMT.WOOL WA•30% V I - I1 SRr•1R LW MITES I I Hk1 fI LI1 L MGM VS al WATSONRR OTT Or 1v4 Ill.24m 51R ET,R211TON,WA t00'ic A 1 I 21 1 tl ' L_�„ _•l 1 8 Eli 7 ' Ili' 6 FI i 5 Ili 4 aMIMI 2cuAm11S 02111172 e T -, .S _ Fez:,. 1 IBBBP p A I -----1 -- --- 1 k I II G K-0001-1 • PROJECT CONTACTS• ; 20 ; i 10 i ' ---�1 Ii ' ' J 1,I SO 001L1111I __J L'__--J t>rmC� wn.51 L ---rnAH r I ? t L_-1.e,p r._-. 1 Nx,. MOO I NI wux t ae0v 7a� sArC RlM CAA T.za,A1GP. r__�acar___1 r__- "--� ``xO It4R 3[,S.rR Ti.. S.sOE SETNCIL TV. NKSTrOO ROF2RK• RUAIITT-2Q1Mb P.O.eo2 0467 W4 C.PK ST. @ I 1 8 MIT.WA•LOGi•D7 bCATR[,WA 5 y 122 I 19 1 I I 11 1 A . • • ' ' ' L_ VICINITY MAP • OW=TOMS.PL awe MCC P13. T .9 ' --- --1 " .�.w RrJARER-2atYRS 1 10 m-20WR5 et I .'/ \�. 1 a�. 514 2.PM 57. 221 5.gem ST. 'II I 18 // I \ 12 j R F J""` -. KAiTI[,WA�>u TAG0111 WA 1a02 I '/ I \ lLs�.Jetr- ` ." • J - LOT AREAS• r-"' I 1 PROPOSES/1 S0(WMR I i -"" " '%� I �C 13 a -`�" AREA AKA Ma LOT ARA AREA Mt LOT 1 N 17 l I T ' • LOT•• (Sr) (AG) GOMMq C5n LOT•• (Sr) CAC) COMIC;(Tn 1 5A3G 0.13 Ln0 n 4a05 O,I7 ;40• r,` 2 2 SA01 0.12 Lao 15 4.531 011 2JG3 i �r 'n`\\ / I I ■ 2 i 1 3 aa3 o.N 2.•a• 19 3.325 0.O 1344 �, .... \. / - r '� T ., • 5J44 OW 1a02 20 5,326 0.12 LA44 *'' �\ 'I IWTE < a SPSS OM UG• 21 5,]G• OJ2 tan ' -_--'� l` C 'fj , G eJEG O.1J x.OD 22 )FIb OW AGGA /// l I . 1 Sa:) O.I: 2O GC 23 533, 0.12 2.•.a i 16 /17 15 1 14 i ` r' �," .5 5.343 0.12 tan 24 400o o.n 2••00T 3aN 0,13 2a33 25 cax3 o.N 2.100 ,�► L J A' Io S}00 0.12 1020 2c 4ab 011 2,335 r . 11 5200 0.12 ta20 2T 40I2 0.11 2,304 \_- -/ • 12 4a31 070 ;KG 20 4.030 O.14 2J11 ••nl3r •.....t ) "'"°'I .. ... ... .-. ._ ._I.... _ . .. . ... ... ... ... .. .....- *3 0.11 2.333 TOTAL 152.•73 350 Tu a-.2'r fa I • ' .40 1• G.n3 O 'K 2An 1.IIAOUI LOT OORRAG2 IS 503 K WOG 0.K • 17,r•0 LOT GOVRAGE IS ALL08C0 FOR LOTS PROrOSCO tO 5T061 5.000 OR 1255 RR 4-2-I102 Or 01AT11ft[AWN, mNON 02513.09/30 GLIM LOT LAYOUT • NOT FOR CONSTRUCTIOI � APPROVALS J05 NO. 13-0273-01 rn... e PRELAMIARY PLAT L" P DAAR CA..64r 10,PM _ DRAWING NO. jJ� '��� (� yj ocxxO cr,COB COVER SHEET AND I LJ't/FIUM, \JLIARS investment ProperNs.LLC cy/,'y' 24LUt78 Drn PROPOSED LOT LAYOUT ' PP-1 IrN•+r•o.D�w1r•1.+.•(tirA...r.IMP.a2..w.1R.... �■1 an(#. uRuaD MLM5L •• 2t••1•.r11R02 •• wwpa)n•'� •• F.060121 i SW MO 1M NORTRAST 24m 5TR2T `■1 I • ��� Rrtq a.eoz �• •ro•u 4• ••, a SHEET NO. r.+er. - 2�eo 22ET 1 a .4 1 • • • III SECT.5,T. 23 N., R.5 E„ W.M. • • Ill I . • t _ - -(+ •tABEAO[EN Arc)= .P =__� __._ __— ___ � _.�_— — N89ro7'20•E 213. r- I / I Lj I # / I • ', I J,p�pt02 AND S7]tIr N.N GARAGE ✓O I I •`•\"P• ® IS LICHI PULL DOR 1•117NWS ATE 8ASHANCTr GARDEN Of EDEN CHAIN LINK MANE II ER PLATS AAlT NOE 02,RECORDED RING 0D came. / II I_I /\ I�' CHASM I.t--0 LIGHT STANDARD w/ADM FENCE /- I • uoNuuENr d EASE RET PO THE NDRM CI 52 1•1 TRACT 273. STAVE,. O I I N 69rorz0•E • bSHI of „ I \I '••�! (,I • Np1 PEE TACK THAT OORllpl K TRACT 20!C01M1K/M6 AT A 102.63• • NUS AND PONT e0 FEET FAST MI TIE SOUTH 133 FCORNOIEET DE SAID TRACT Net;EST 11E SOUTH 133 BEET "' / \PARALLEL Wow WTiN THE WEST PARALLEL R/OF SAID TRACT; 44 / .pTE ' 0 \ \ nENOf EAST b MET vNCElN TM THE NORMM `I - I 1 \ / /, • LINE or SAID 1M0 EST U .IH 135 FEET �, 10 PK HNL • FEET TO nc�ONPods1Dr"orRre[c"�rc 066 b �,,. HOUSE I .�\ I I\\\\ \ \ \ I. NATURAL CAS METER • TRACT Set EXCEPT TN SOUTH 23e.72 rat 8 SEP. I I ' I I\ ` \ \ \ • 0 POWER POLE WITH DROPLN[ THEREOF ALIAS EXCEPro•s TNT PORTIO0100, OF TRACT 2e1. „ Q TTANN AI I \ \ I \ \ POWER POLE WITH DROPUNE.AND TRANSFORMER i'. • DES CRIB 1 AS FUt1 40417214851 CO ER TCNL•IF e0 FEET DLST aJ �s•uoi r THE.I Esr U140 S"["iRAcr NORM //�ab f \ I \ I I \ I g 135 FEET:MACE FOLLOWING THE NORM ME EC ARAG \ I I IF'4 POKER POLE WIN MR SAID TRACT 10 FEET 907 1 NORM FOLEOTY•ME S•S.WOOD / / I I I I I \ I I I I 1 g.L s S10RY DRAB CATCH DA$N WEST tM ER SAID TRACT 135 FEET TO THE NORTH • lM TREMOR TWICE WEST ALONG ME NORM INC • / Try 8910200• FENCE 189.60• / I / 1 1 \ \ \ b MET TO M Mort a TEGRAVNO AND LESS ME I I I I I 1 1 1 I 1 ) I I l' / -- I I \ \ g ® STOMA DRAIN WNIN)LE • NORM 103 FEET OF THE EASTERLY 102.3 FEET , FELT,NEW ND TRACT 273 EXCEPT TX NORM 200 I I I ( I ► ► I I I I 11 I 1 I I I / % / I I I \ \ 1 wow MAR BOX t / 0—I I \\-1 I I rI\II\ 1 ;_^ ` l\ I I \\ ` III m s, sou MA H«E BASIS Or BEARINGS 11 / I I I I 1 \ \ I I I 1 11111-II+[-,1 \ \ \ \ I \ \ \ \y ■• TELEPHONE RSEa/PEd$TA _- _-__-__� -- • l7FIR•MS SURVEY 031N Et EASED EMO 1 CITY OF RCIRON II I ( 11`1 r I ,' \�'\.'-,\r\ \ \ \ I I LOWER TREE', rss slRntY oanRa N[iWgIK 1roNlATms � I / / I \ I �I I.I'yv__IIII// ,/ ' 2 8 3 ,, /, / / , / 1 1 I , I , \( y 1 I \ 13 Q DECIDUOUS TREE 0I BASS a ELEVATOR • ,';,,/ , , , 1 ►I I I I I ' \ .. —I I I f ', ® aiKNeox2 5 3 CPS ELEVATIONS RASED or / , / III I I I I b nRE 1 / / / / / I II 1 I I \ / / / I 1 I 4 CONCRETE MONUMENT AT MHReReW Cr JONES AVENUE N.E AND N W EMU STREET.MEOW,. I I I 1 I / / / /l I I f \ \ I 1 _/ / / / / /-\ a NOSE BIBg 2M.3•KCVO ma us FOOT. I / I 1 W.+ •• I I I ! 1 1 / / / { I I I I I —^ y iN 69T�'SB E/ zsz66 ,• l ti 0 WATER METER m , UTUTY NOTES NFE CE g1 1 1 \ \ I 1 1 \ _ — i l 1 ) , 1N WATER YAYE ezn 1 O STORY DRAR40E EATEN BASN FENCE / \I I I —�- >0• S01 / g ti' —1— NATURAL OAS ONE In I tACI W� J00.7i IE t O5C w.39P.o1 I ;I 11 / I \ I I I I I ` y'°� IIIEEE 1i"CON$(W.179.19 y, _ ` =`= STORY DRAIN UN[ 3 1002 295.82 IE 1;"GIP f-t91..04 II•Ti I ` \ 1 •/I I i\I\ •'R,�i U -- WATER ENE 1 AREA .3 101• 510,10 E I_P.y ME-103.37 111 \ \ \ \ I ( I I \ \g, /^ g tei —; BUdED MAR AREA IMMURED MI1M=NM160 BOUIOARI • 1002 203.70 IEi,0 P C N-28PVC 370ie jtl I{�\ \ \ \ I •I I / I I \ "ON.,i —I— iCU.PHONE E01211.3 CS ACRES. IE 0"CA•'S-202.D7 1 \ \ I I / I I _ ``•• 0VERNGD POWER UNE I. prow o 996 6..uANRDEE 111\\ \ 1 // r —•— SANITARY SEWER UNt .. 'I WO 30365S PL WERT El..vc N.293.os 1I\.'\\\\ \\\I\\`\\ 1\\ 21—/— Y--.. MEM4._ ... CONCR[fT E e Poo W.293.03 12-coNcNE•1.34 )II\ \ \ \ \ \ \\\ \ \ / a Qt 2 loge 2ee,23 S e-cPv0 N•2l1.33 I \ \ / \ 1 1 \ \ —— 0USE0 evo TSm n � E 1t•Px w.:e0.35 I \ t 1 . •.TER TO ME NORM p S1INTA00 SEWER tw04090 I I\\\ \ \ \\ I I I \ ' , SAG(Plat 101 >dla E DIVERT w.99tAS II\.'1\El \\ I 1 \\I\I\\'\I� �2,°�— ''_ ' z1 OOii 29ap0 IIf P1C S-zOS Oe • 294 . E 12 PTO 4201.61 ____ _ +330 20•.70 1E 0"P.'c N.277J7 \ \ E e-PVC E-x7r.w \ \\ \ \l L _— %•.': \\ \ • \ \ \\Ry�S 58-E., \� �// • 1 \\\\ \__`�62.5'�\ �\\ // , • .'lk\ \")L.....1,-.,\. N.•\qt.....I-. ---..........._ --- ... 1• \ \— NOT FOR.CONSTRUCTION APPROVALS 203 NO. 15-0275-01 revs. 1 - l /\ t .8 /� T PRElI+IIARY PLAT •..:A44! DATE t<°..�10,+.+1 TOPOGRAPHIC SURVEY DRAINING NO. [�,(, [lN ti' RYKD GS,Dee AND LEGAL DESCRIPTION M�sWMnt PEoperMs.LLC DWAVIED Dee r PORTION OF TRACT 282 AND 273 PP'3 t..R•..I•.rADM....•Iwee�,Naraw•%,.....r-- r1.�. 1 f-R11� �•r nlErxD.PO • rLIW.i • S•.aArT■m • FIw.E1aT7•-m • h� A■T YO1K2...MIKAST xAM STREET I • SGAL[ 1'-•0' SATE ADDRESS �..-...... awe,a•bmc �A,;H,• SHEET NO. 1.17.WU NORT■AST 2•M STREET . rprr — • • ss�I.q. F� 0 20 40 e0 IEEE X[MCN,rA AI$OSI. 3• p 4 CITY OF RENTON CURRENT PLANNING DIVISION AFFIDAVIT OF SERVICE BY MAILING On the day of icbVuav{ , 2000, I deposited in the mails of the United States, a sealed envelope containing RkrA LD -neeNit1ki el(A1Mtw documents. This information was sent to: Name Representing av-A Srt i X kc-0 i-t u.t - 1ti I l Gl lh tov�aizl N/\uvve-t V\Akt1e-Y. 1vNveAvvie1/47 ?ore L-L-C- vv\kc.lnat1 0-VAd LA1�, W \ck,a.` La 'O'n\ Cou3ev\ (Signature of Sender) Sew\c . STATE OF WASHINGTON ) SS COUNTY OF KING I certify that I know or have satisfactory evidence that 7.4 n(k(2,4 S-Qc' af t/ signed this instrument and acknowledged it to be his/her/their free and voluntary act for the/uses and purposes mentioned in the instrument. / MARL'',.; .:,HEFF Notary Public in and for the State of Washington NOTARY PUBLIC Notary (Print) STATE OF WASHINGTON nny appointment :'; KANICHEFF COMMISSION EXPIRES JUNE 29, 2003 Project Name: S4-No`re,k Pv-ew\n woo_ P\at Project Number: LUp, lcf . Igo Pt-, L NOTARY2 DOC 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 600 S. Washington Avenue, Kent, Washington 98032 DETERMINATION a daily newspaper published seven (7)times a week. Said newspaper is a legal ENVIRONMENTAL REVIEW COMMITTEE RENTON,WASHINGTON newspaper of general publication and is now and has been for more than six months The Environmental Review Committee prior to the date of publication, referred to, printed and published in the English language (ERC)has issued a Determination of Non- continually as a daily newspaper in Kent, King County, Washington. The South County Significance-Mitigated for the following pro- ject under the authority of the Renton Journal has been approved as a legal newspaper by order of the Superior Court of the Municipal Code. State of Washington for King County. SHOREWOOD PRELIMINARY PLAT The notice in the exact form attached, was published in the South County Environmental-187,PP,ECF Journal (and not in supplemental form)which was regularly distributed to the subscribers 4.35-acre property into 28 lots review forof for during the below stated period. The annexed notice, a detached single family homes. Location: 1917&1929 NE 24th Street. Appeals of the environmental determina- Shorewood Preliminary Plat tion must be filed in writing on or before 5:00 PM February 28,2000.Appeals must be filed in writing together with the required as published on: 2/14/00 $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals The full amount of the fee charged for said foregoing publication is the sum of$51.75, to the Examiner are governed by City of charged to Acct. No. 8051067. Renton Municipal Code Section 4-8-11B. Additional information regarding the appeal process may be obtained from the Renton Legal Number 7200 City Clerk's Office,(425)-430-6510. A Public Hearing will be held by the Renton Hearing Examiner at his regular meeting in the Council Chambers on _." ,...7.. -.Xt' ---.------/—.Z.0,e—l../.../10. seventh ary Plat. If the Environmental floor of ou City Hall, February 29the, 2000, at 9:00 AM to consider the Legal Clerk, So ounty Journal Prelimin Determination is appealed,the appeal will be heard as part of this public hearing. Subscribed and sworn before me on this ay of c. ,1 6 , 2000 Interested parties are invited to attend thepublic hearing. �Qi4itw-;ri Published in the South County Journal %% �N t.1• I • 1i° February 14,2000.7200 `v�V; ...J, . ',- �ti10\• c �3,I `:,:TAr,_ —o— = Notary Public of the State of Washington ;o nt:2L-,, , = residing in Renton • 1.•;Fri oca •�_a,j; King County, Washington *, c,ip.'AS ,s?a,>`a ,-T SOCITF RENTON ..LL Planning/Building/Public Works Department Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator February 29, 2000 Mr. Carl Stixrood RCA/Huitt-Zollars 814 East Pike Street Seattle, WA 98122 SUBJECT: Shorewood Preliminary Plat Project No. LUA-99-187, PP, ECF Dear Mr. Stixrood: 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 the ERC determination. This decision is final and application for the appropriately required permits may proceed. The applicant must comply with all ERC Mitigation Measures. If you have any questions, please feel free to contact me at (425)430-7382. For the Environmental Review Committee, Elizabeth Higgins, AICP Senior Planner cc: Mr. & Mrs. Howard LaPlant/Owners Ms. Mary Lande-Shane/Owner Mr. & Mrs. Michael Watson/Owners Mr. Blaine Miller/Investment Properties LLC Mr. Michael Lai; Mr. John Cowen FINAI 1055 South Grady Way -Renton, Washington 98055 Ica_. " "TZ; leo City o Department of Planning/Building/Publ ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEE REVIEWING DEPARTMENT: ro ct, COMMENTS DUE: JANUARY 28, 2000 APPLICATION NO: LUA-99-187,PP,ECF DATE CIRCULATED: JANUARY 06, 2000 APPLICANT: Blaine Miller/Investment Properties LLC PROJECT MANAGER: Elizabeth Higgins PROJECT TITLE: Shorewood Preliminary Plat WORK ORDER NO: 78625 LOCATION: 1917& 1929 NE 24th Street SITE AREA: 4.35 acres I BUILDING AREA(gross): N/A SUMMARY OF PROPOSAL: The project proponent, Investment Properties LLC, has requested subdivision of a 4.35-acre property into 28 lots suitable for detached single-family homes. The site is in a Residential 8 (R-8)Zone. Two existing houses will be removed. Modification of street standards has been requested. 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 .Z/ CF:5) GQnrlurt Grn c:e dau.422rd B. POLICY-RELATED COMMENTS 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. 6` �� 1_. y-62) Signature of Director or autt rized Representative Date routing Rev.10/93 i A CITY OF RENTON HEARING EXAMINER . PUBLIC HEARING FEBRUARY 29, 2000 AGENDA COMMENCING AT 9:00 AM, COUNCIL CHAMBERS, 7TH FLOOR, RENTON CITY HALL The application(s) listed are in order of application number only and not necessarily the order in which they will be heard. Items will be called for hearing at the discretion of the Hearing Examiner. PROJECT NAME: Shorewood Preliminary Plat PROJECT NUMBER: LUA-99-187,ECF,PP PROJECT DESCRIPTION: Blaine Miller, of Investment Properties, has proposed subdivision of an approximately 189,486 sf(4.35 acre)property into 28 Igts suitable for detached, single family houses. The project requires Environmental Review, Preliminary Plat approval, and administrative approval of a reduced public street right-of-way (from 50 to 42 feet wide). The project is located at 1917 and 1929 NE 24th Street in Northeast Re ton, south of NE 24th Street between Aberdeen Ave NE and Jones Ave NE. Agnda _ City of Renton PUBLIC Department of Planning/Building/Public Works HEARING PRELIMINARY REPORT TO THE HEARING EXAMINER A. SUMMARY AND PURPOSE OF REgUEST: Public Hearing Date: February 29, 2000 Project Name: Shorewood Preliminary Plat Ap licant/ Blaine Miller, President Address: Investment Properties, Ilc. P.O. Box 6487 Kent WA 98064 Owner/ Lilly Watson Howard H LaPlant Mary Darlene Address: Michael Douglas Watson Muriel E LaPlant Lande-Shane 1929 NE 24th St 1917 NE 24th St 9037 38th Ave SW Renton WA 98056 Renton WA 98056 Seattle WA 98126 File Number: LUA-99-187, PP, ERF Planner Elizabeth Higgins Project Summary: Blaine Miller, of Investment Properties, has proposed subdivision of an approximately 189,486 sf(4.35 acre) property into 28 lots suitable for detached, single family houses. The project requires En1ironmental Review, Preliminary Plat approval, and administrative approval of a reduced public street right-of-way (from 50 to 42 feet wide). Project Location: The project is located at 1917 and 1929 NE 24th Street in Northeast Renton, south of NE 24th Street between Aberdeen Ave NE and Jones Ave NE. City of Renton P/B/PW Department r-rdiminary Report to the Hearing Examiner ' SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF PUBLIC HEARING DATE: 29 February 2000 Page 2 of 11 HEARING EXHIBITS: Exhibit 1: Project File (no date) Exhibit 2: Sheet PP-1; Cover Sheet and Proposed Lot Layout (12/10/99) Exhibit 3: Sheet PP-2; Neighborhood Detail Map (10/14/98) Exhibit 4: Sheet PP-3; Topographic Survey (12/10/99) Exhibit 5: Sheet PP-4; Preliminary Site Grading and Storm Drainage Plan and Preliminary Water and Sanitary Sewer Plan (12/110/99) Exhibit 6: Sidewalk Cross Sections (Options 1 and 2 ) Exhibit 7:Zoning Map (12/99) B. GENERAL INFORMATION: 1. Owners of Record: Lilly Watson Michael Douglas Watson 19�9 NE 24th St Renton WA 98056 Howard H LaPlant Muriel E LaPlant 1917 NE 24th St Renton WA 98056 Mary Darlene Lande-Shane 9037 38th Ave SW Seattle WA 98126 2. Zoning Designation: Residential 8 (R-8) 3. aria'rehensive Plan Single Family Residential Use Designation: 4. Existing Site Use: Single family residential and vacant land 5. Neighborhood Characteristics: North: Single family residential (zoned R-8) East: Single family residential (zoned R-8) South: Single family residential (zoned R-8) West: Single family residential (zoned R-8) 6. Access: NE 24th Street and new public street HEXreport City of Renton P/B/PW Department rieliminary Report to the Hearing Examiner SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF PUBLIC HEARING DATE: 29 February 2000 Page 3 of 11 7. Site Area: 4.35 acres C. HISTORICAL/BACKGROUND: Action Land Use File No. Ordinance No. Date Zoning N/A 4404 • 06/07/93 Comprehensive Plan N/A 4498 02/20/95 Annexation N/A 1818 and 1827 03-08-60 and 05-03-60 D. APPLICABLE SECTIONS OF THE IENTON MUNICIPAL CODE: 1. Residential 8 du/ac (R-8) Zone Standards, Development Regulations 4-2-110A 2. Grading, Excavation and Mining Regulations, Development Regulations 4-4-060 3. Street Standards, Development Regulations 4-6-060 4. Subdivision Standards, Development Regula ions 4-7 5. Tree Cutting and Land Clearing Regulations, Development Regulations 4-4-130 E. APPLICABLE SECTIONS OF THE COMPREHENSIVE PLAN: 1. Land Use Element— Residential Single Family 2. Transportation Element 3. Housing Element 4. Environmental Element F. DEPARTMENT ANALYSIS: 1. PROJECT DESCRIPTION/BACKGROUND Blaine Miller, of Investment Properties, has proposed subdivision of an approximately 189,486 sf(4.35 acre) site into 28 lots suitable for detached, single family houses. Lots would range in size from 4,531 sf to 6,996 sf. The proposed project name is "Shorewood." The proposed site is located on four tax parcels having multiple ownership at 1917 and 1929 NE 24th Street. All of the parcels are in a Residential 8 (R-1i8) Zone, which requires between 5.0 and 8.0 dwelling units per net acre (du/a). Approximately 37,011 sf(0.85 acre) of the site would be a public right-of-way and therefore is deducted from the gross square footage of the site for density calculations. The net site area is 152,475 sf(3.5 Icre), therefore the density would be 8.0 du/a. Access would be from a new public street from NE 24th Street. This new street would be an extension of an existing street, Monterey Ave NE. In order t facilitate the alignment of these two streets, and to HEXreport City of Renton P/B/PW Department - rieliminary Report to the Hearing Examiner ' SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF PUBLIC HEARING DATE: 29 February 2000 Page 4 of 11 reduce the severity of a grade change between the proposed development and the abutting property, the applicant has requested a modification of the sidewalk requirement of the street standards. If this request is granted, the sidewalk would end approximately 100 feet south of the edge of NE 24th Street on the east side of the entrance to the development. Plan Review does not support this request, however, in the belief that construction of additional sidewalks is critical to the overall pedestrian circulation system in the neighborhood. The new street would terminate south of NE 24t' Street in a cul-de-sac. A modification from street standards has been requested to reduce the width of the public right-of-way from 50 feet to 42 feet. An alley and private driveway would provide additional service and/or access to several lots. NE 24th Street would be improved with curbs, gutters, sip ewalks, planter strip, and lighting. Existing structures on the site, consisting of two single family houses, a detached garage, and several sheds, would be removed. Approximately 7,000 cubic yards of topsoil would be stripped from the site, with approximately 1,500 cy of this material being returned as topsoil following construction. The entire site would require grading, therefore t is expected that all trees would be removed. An estimated tree count indicates that approximate) two 14" diameter cedar trees, 160 10" diameter alder trees, 14 firs of varying sizes, one 42"willow, 9 ruit trees, and one 6" madrona (totaling 191 trees) would be removed. Surface water runoff from streets, walks, and driveways would be collected, detained, and treated prior to release from a level spreader at the southwest corner of the site. Discharge from roof drains would be infiltrated on site. The project requires Environmental Review, Preliminary Plat approval, and administrative approval of a reduced public street right-of-way (from 50 to 42 feet wide). 2. ENVIRONMENTAL REVIEW Pursuant to the City of Renton's Environmental Ordinance and SEPA (RCW 43.21 C, 1971 as amended), on February 8, 2000, the Environmental Review Committee issued a Determination of Non- Significance - Mitigated. The appeal period for the determination ends on February 28, 2000. As of the date of this report, no appeals of the environr'nental determination had been filed. 3. COMPLIANCE WITH ERC MITIGATION MEASURES 1 The Environmental Review Committee imposed four mitigation measures that the applicant is required to comply with prior to recording the final plat. They are as follows: 1. The applicant shall pay the applicable Transportation Mitigation Fee at the rate of$75.00 per each new average weekday trip attributable to the project, estimated to be 9.55 average weekday trips per new residential lot. The Transportation Mitigation Fee is due prior to the recording of the plat. 2. The applicant shall pay the appropriate Fire Mitigation Fee at a rate of$488.00 per each new single family residential lot created by the proposed plat. The fee is due prior to the recording of the plat. 3. The applicant shall pay the appropriate Parks Mitigation Fee at the rate of$530.76 per each new single family residential lot. The fee is due prior to the recording of the plat. HEXreport City of Renton P/B/PW Department rreliminary Report to the Hearing Examiner SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF PUBLIC HEARING DATE: 29 February 2000 Page 5 of 11 4. The applicant shall follow the recommendation of the geotechnical engineers, GeoEngineers, in their report, dated December 13, 1999. 4. STAFF REVIEW COMMENTS Representatives from various city departments have reviewed the application materials to identify and address site plan issues from the proposed development. These comments are contained in the official file, and the essence of the comments has been incorporated into the appropriate sections of r this report and the Departmental Recommendatio at the end of the report. 5. CONSISTENCY WITH PRELIMINARY PLAT CRITERIA: Approval of a plat is based upon several factors. The following preliminary plat criteria have been established to assist decision makers in the review of the plat: (a) Compliance with the Comprehensive Plan Designation: The proposal should be consistent with the Comprehensive Plan land use designation of Single Family Residential. The Objective and Polici8s of Single Family Residential designation are as follows: Objective LU-J: Protect and enhance the Residential Single Family areas, encourage reinvestment and rehabilitation resulting in quality neighborhoods, improve opportunities for better public transportation, and make more efficient use of urban services and infrastructure. The proposed project meets all aspects o�this objective by investing in under-utilized land to create a new neighborhood and provide a greater use of urban services, infrastructure, and the local public transportation system. Policy LU-34: Net development densities should fall within a range of 5.0 to 8.0 dwelling units per acre in Residential Single Family Neighborhoods. The proposed project would meet this policy by having a development density of 8.0 dwelling units per net acre. Policy LU-35: A minimum lot size of 4,500 square feet should be allowed in single family residential neighborhoods except when flexible development standards are used for project review. Lots are proposed at 4,531 sf to 6,996 s=, a range of sizes above the recommended minimum of 4,500 sf. Policy LU-37: Maximum height of structures should generally not exceed 2 stories in single family residential neighborhoods. Development standards require that the maximum building height in the R-8 Zone be two stories or 30 feet. The developer has indicated that he intends to build houses on the platted lots that comply with this standard. Policy LU-40: New plats developed at higher densities within existing neighborhoods should be designed to incorporate street locations, lot configurations, and building envelopes which address privacy and quality of life for existing residents. HEXreport City of Renton P/B/PW Department rreliminary Report to the Hearing Examiner SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF PUBLIC HEARING DATE: 29 February 2000 I Page 6 of 11 Design features would be incorporated into the site plan that take into consideration existing neighboring homes that were developed at lower overall densities. The applicant has requested a modification of the sidewalk requirement so that the sidewalk does not extend to NE 24th Street. This would allow terracing down to the abutting property, thereby reducing the impact of the grade change. Plan review staff does not support this request however, and would prefer that the sidewalk be built to NE 24th and a retaining wall be installed on the property line. Policy LU-40.1: New plats proposed at higper densities than adjacent neighborhood developments may be modified within the allowed density range to reduce conflicts between old and new development patterns. However, strict adherence to older standards is not required. Several modifications to standards would be requested by the applicant. One would allow a narrowing of the new entrance road so thai it aligns with an existing street. Another would eliminate a portion of a sidewalk in order to reduce the impact of a grade transition on an abutting property. The proposal should be consistent with the Comprehensive Plan Transportation Element. The Comprehensive Plan anticipates that increased urban densities would result in fewer, and shorter, vehicle trips (II-7). The proposed project would increase urban densities within the City. Another critical transportation issue is the concurrency of the transportation system with development. Policy T-3 states that, "Transportation plans should be phased concurrently with growth." The measure of concurrency is Level of Service (LOS). The applicant submitted a traffic study by the Transpo Group, "Traffic Impact Analysis for Shorewood Subdivision," dated January 5, 2000. This report indicates that Levels of Service in the vicinity of the proposed project, at key intersections, would not be lowered by traffic generation from the project. This can be seen in the following PM Peak Hour Levels of Service table from the report: Without Proiect With Protect Intersection Approach LOS I Delay* LOS Delay* NE Monterey/NE 24th Northbound - - A 2.7 Southbound A 3.7 A 3.8 Eastbound A 0.3 A 0.3 Westbound - - A 0.8 NE Aberdeen/NE 27th Northbound B 8.5 B 8.6 Southbound A 4.0 A 4.0 Eastbound A 0.1 A 0.1 Westbound A 0.0 A 0.0 NE Aberdeen/NE 24th Northbound A 1.4 A 1.4 Southbound A 1.6 A 1.7 Eastbound A 1.4 A 1.5 Westbound A 1.3 A 1.3 *Average seconds of delay The previous table indicates that the northbound movement from Aberdeen Avenue NE at NE 27th Street would continue to operate at LOS B in the PM peak hour with the project. All other movements would operate at LOS A during the PM peak hour. This indicates availability of adequate capacity at the intersections studie to accommodate the addition of project-generated traffic. The proposal should be consistent with the Comprehensive Plan Housing Element. By increasing the number of homes from two to twenty-eight, the proposed project would increase the City's HEXreport City of Renton P/B/PW Department ,-,c,iminary Report to the Hearing Examiner SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF PUBLIC HEARING DATE: 29 February 2000 Page 7 of 11 housing supply, thereby furthering an objective of the City of Renton. Policy H-4, "Encourage infill development as a means to increase capacity," would particularly be met by this project. The proposal should be consistent with the Comprehensive Plan Environmental Element. Although there are no streams, wetlands, or known wildlife habitat on the property, there are several areas of the natural environment that may be impacted by development of the proposed project. They are surface water, steep slopes, and the City's Aquifer. Also, the property in its undeveloped state is heavily covered by trees. The proposed development plan would address these issues in a manner that would not result in a negative impact on the surrounding environment. The applicant has proposed a surface water control system that would collect, detain, treat for pollutants, and provide a controlled release of stormwater. A private system, it would be maintained by a Homeowners'Association. Although the property is indicated on the City's Sensitive Areas Maps as having potentially steep slopes, when averaged using the City of Renten method of slope analysis, the natural slopes are less than 20 percent. The site would be graded to create building "pads." Retaining walls, up to 72" in height, would be necessary to meet off-site grades along portions of the west, east, and south property lines. The property is located in the City of Renton's Aquifer Protection Area 2. The before-mentioned stormwater control system and connection to the sanitary sewer system would provide adequate protection of the City's water resource from the proposed development. The applicant has estimated that approximately 191 trees will be removed from the property. Although there are a small number of significant trees, in terms of type and size, included in this number, most are alder trees that are not considered to be a significant species. The applicant must adhere to the requirements of the Forest Practices Act, a state regulation. A Class IV permit for conversion of forested land to another use nd removal of more than 5000 board feet of timber (for sale, not personal use)would be required. The individual lots would be landscaped following house construction. (b) Compliance with the underlying zoning designation: The proposal site is designated Residential 8 (R-8), on the City of Renton Zoning Map. The intent of the R-8 Zone is to establish areas for single family residences with the goal of obtaining densities of 8 dwelling unit per net acre and to prohibit the development of uses that are incompatible with residential development. The R-8 Zone is permitted in areas of the City designated as Single Family Residential in the Comprehensive Plan. The proposed development would allow for future construction of up to 28 new dwelling units. Minimum lot size permitted in the R-8 zone is 4,500 sf. The proposed plat would provide 28 lots ranging in size from 4,531 sf to 6,996 sf. These lot sizes are compatible with other existing lots that have been recently platted in this area. The surrounding parcels are also zoned R-8, and as these sites redevelop, comparable size lots would be Platted. (c) Compliance with Subdivision Regulations: Lot Arrangement: Side lot lines are to be at right angles to street lines, and each lot must have access to a public street or road. Access may be by private access easement street per the requirements of the Street Improvement Ordinance (Code Section 4-34). HEXreport Cify of Renton P/B/PW Department - d,,minary Report to the Hearing Examiner SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF PUBLIC HEARING DATE: 29 February 2000 Page 8 of 11 The proposed lot arrangement complies with he Lot Arrangement requirements of the Subdivision Regulations. Lot Lines are at right angles to street lines or radial to curved streets and all lots have access to public streets and roads. Lots 3, 4, and 5 would have access by way of a private 20' wide access easement. All other lots would front on public streets. Lots: The size, shape and orientation of lots shall meet the minimum area and width requirements of the applicable zoning classification and shall be appropriate for the type of development and use contemplated. The lots, as proposed, would meet or exceed the minimum area requirements of the Residential — 8 Zone as indicated in the following table: Lot Number Size (sf) Location Configuration 1 5,456 nw public street rectangular 2 5,401 new public street rectangular 3 5,973 private access radial front yard 4 5,149 private access rectangular 5 5,055 private access rectangular 6 5,786 new public street radial front yard 7 5,327 new public street rectangular 8 5,363 new public street rectangular 9 5,811 new public street corner lot/radial front/side 10 5,200 new public street rectangular 11 5,200 new public street rectangular 12 4,531 public cul-de-sac radial front yard 13 4,670 public cul-de-sac radial front yard 14 6,773 public cul-de-sac radial front yard 15 • 5,550 public cul-de-sac radial front yard 16 6,996 public cul-de-sac radial front yard 17 4,808 p Y blic cul-de-sac radial front yard 18 4,531 public cul-de-sac radial front yard 19 5,325 new public street rectangular 20 5,326 new public street rectangular 21 5,364 new public street rectangular 22 7,618 new public street radial front/side yard • 23 5,037 public street/alley rectangular 24 4,800 p e blic street/alley rectangular 25 6,023 public street/alley radial front/side yard 26 4,848 collector street/alley rectangular 27 4,612 collector street/alley rectangular 28 6,030 collector street/alley corner lot/radial front/side The minimum width between side lot lines sha I not be less than 80% of the required lot width, except pipestem lots (there are no pipestem lots proposed) and lots on the turning circle of cul-de- sac shall have a minimum width of 35'. The w dths of the cul-de-sac lots are shown in the following table: Lot Number Minimum Width (ft) 12 50 13 38 HEXreport City of Renton P/B/PW Department --- renminary Report to the Hearing Examiner SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF PUBLIC HEARING DATE: 29 February 2000 Page 9 of 11 14 35 15 44 16 35 17 38 18 50 Property Corners at Intersections: All lot corners at intersections of dedicated public rights-of-way, except alleys, shall have minimum radius of 15 feet. Lot 28 at the corner of NE 24th Street and the extension of Monterey Avenue NE, and Lot 9, located within the proposed development, would have dimensions that satisfy the minimum requirement of a 15 foot radius. (d) Reasonableness of Proposed Boundar"es Access The proposed project would be accessed by new public street, an extension of the existing Monterey Avenue NE, from NE 24th Street, byl way of either Jones Avenue NE or Aberdeen Avenue NE. The applicant submitted a traffic study by;the Transpo Group, "Traffic Impact Analysis for Shorewood Subdivision," dated January 5, 2000. The purpose of the report was to identify potential traffic impacts associated with the proposed project and recommend measures to mitigate those potential impacts. The scope of the study was coordinated with the City of Renton Plan Review Division. The proposed project would be anticipated to,generate approximately 250 net new average daily weekday trips, with 26 new trips occurring during the PM peak hour. No degradation or reduction in Levels of Service would be expected at the studied intersections as a result of this additional traffic generation. The Traffic Impact Analysis recommended payment of the City of Renton Transportation Mitigation Fee of$75.00 per new average daily weekday trip. The City of Renton estimates that this project will result in an average of approximately 9.55 additional new trips per weekday per lot. A condition of the Environmental Review Committee Determination is that the applicant pay the Transportation Mitigation Fete, estimated to be $18,622 (excludes the two existing single family residences), prior to recording the final,plat. Lots 4 and 5 would be accessed from a 20' driveway located in a private access easement. Lots 23 through 28 would back onto a 16' wide aller (private access easement). Both the driveway and the alley would be maintained privately by the benefited homeowners. A modification from City of Renton street standards has been requested by the applicant. This would reduce the right-of-way width from the standard 50 feet to 42 feet. This would allow the center line of the new street to be aligned with the center line of the existing Monterey Avenue NE. It would also allow the development of two additional lots, thereby meeting the maximum allowable density for the development. Plan Review has approved the modification request. Topography The site slopes in three directions, to the south, east, and west at a maximum average grade of approximately 20 percent (based on RMC 4-3070). The entire site would require grading in order to create flat or moderately sloped building sites. The finish floor elevations would be 3 feet or less above or below the proposed road grades. Perimeter retaining walls, in rear yard setback areas or the rear portion of side setbacks, up to 6 feet igh would be required to allow grading of individual building sites. HEXreport City of Renton P/B/PW Department ,- ,-,climinary Report to the Hearing Examiner ' SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF PUBLIC HEARING DATE: 29 February 2000 Page 10 of 11 Site grading would require removal of approximately one foot of topsoil (7,000 cubic yards) from the entire site. An additional 14,100 cy of sand subsoil would be cut with approximately 13,000 cy reused as compacted fill. Following construction, 1,500 cy may be restored to the site as topsoil. Relationship to Existing Uses The existing uses on the property are two single family residential houses. The area around the proposed project has been undergoing redevelopment in recent years. Typically, larger lots have been subdivided and redeveloped into single family residential home sites. This development scenario is consistent with the proposed development of the Shorewood subdivision. (e) Availability and Impact on Public Services (Timeliness) Police and Fire Police and Fire Prevention Bureau staff indicate that sufficient resources exist to furnish services to the proposed development, subject to the cordition that the applicant provide Code required improvements and fees. Improvements may nclude additional fire hydrants where required to meet development standards. Houses located more than 500 feet from the beginning of a dead end street must be sprinklered. Houses on lets 10 through 20 will require minimum one-inch domestic water meters and fire sprinkler systems. The Environmental Review Committee determination requires payment of Fire Mitigation Fees of $488.00 for each new lot (credit would be given for the two existing single family residences). Payment of the fee, estimated to be $12,688.00, would be required prior to recording the final plat. Recreation There are no recreation facilities proposed for the project. There are, however, the following facilities available for public use in the area; Kennydale Lions Park (NE 24th Street and Aberdeen Avenue NE), May Creek Greenway (NE 29th Street and Aberdeen Avenue NE), and the Kennydale Elementary School Playfields (NE 29th Street and Kennewick Place NE). In order to mitigate for the impact of additional residents on City park and recreation facilities and services, the Environmental Review Committee Determination included mitigation by payment of Park Mitigation fees. The Parks Mitigation Fie of$530.76 per each new single family residential lot would be $13,799.76 (credit would be given for the two existing single family residences). The fee is due prior to the recording of the plat. Schools Renton School District#403 has determined that it can accommodate the impact of additional students, at an estimated rate of 0.44 students per single family lot, in the following schools, the Kennydale Elementary School, McKnight Middle School, and Hazen Senior High School. Stormwater Surface water runoff from streets, walks, and driveways will be collected, detained in underground vaults located in the cul-de-sac, and treated prior to release from a level spreader at the southwest corner of the site. The detention system, altf ough located in a public right-of-way, would need to be maintained by a Homeowners' Associatio or by means of a maintenance agreement. Discharge from roof drains will be infiltrated on site. Stormwater runoff in NE 24th Street will be HEXreport City of Renton P/B/PW Department 1minary Report to the Hearing Examiner SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF PUBLIC HEARING DATE: 29 February 2000 Page 11 of 11 conveyed, by means of a drainage system to e installed in NE 24th Street by the applicant, into the City of Renton system. Sewer Sanitary sewer service is available from existing lines near the property in NE 24th Street. Water There is an existing 12-inch line located in NE 24th Street. Street Improvements The applicant will improve the south side of the existing NE 24th Street with curbs, gutters, sidewalks, planter strip, and lighting. A.new street and cul-de-sac, an extension of the existing Monterey Avenue NE would be built, as would a 16'wide alley. G. RECOMMENDATION: Staff recommends approval of the Shorev+food Preliminary Plat, Project File No. LUA-99- 187, PP, ECF, subject to the following conditions: (1) Compliance with ERC Mitigation Measures: The applicant is required to comply with the Mitigation Measures which were required y the Environmental Review Committee Threshold Determination. (2) The applicant shall either draft and record a Homeowners' Association or a maintenance agreement for the maintenance of all common improvements, including private stormwater facilities and utility and other easements, and other common areas. A draft of the document shall be submitted to the City of Renton Development Services Division for review and approval by the City Attorney prior to the recording of the final plat. EXPIRATION PERIODS: Preliminary Plats (PP) expire five (5)years from final approval (signature) date. HEXreport -" - ±.r: i :. y Y. +Kq y v , , yet., 4 " • • C - I F,:::RENTO ..1L Planning%Building%Public Works Department Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator • January 12, 2000 RECEIVED JAN 14 '00 Superintendent's Office Renton School District#403 • . OFFICE SUPERINTENDEIv t 300 SW 7'h Street Renton, WA 98055-2307 - • Subject •Shorewood Preliminary Plat, LUA99-187 The City of Renton Development Services Div sion has received an application for a 28-lot - single family subdivision to be located on a 4. 5 acre property that has two single family - residences on it at the present time. The prop rty is located in a Residential 8 Zone in - northeast Renton at 1917.and 1929 NE 24 'Street. In order to process this application, the Deve opment Services Division needs to know which - Renton schools would be attended by children living in residences at the location indicated above. Would you please fill in the appropriate schools on the,list below and return this letter • to my attention, Development Services Division, City of 'Renton, 1055 South .Grady Way, - Renton,Washington 98055. Elementary School: Kennydale • Middle School: :McKnight . .• High School: Hazen Will the schools you have indicated be able to handle the impact of the additional students estimated to come from the proposed development? Yes -xx No Any Comments: • • Thank you for providing this important informtion. If you have any questions regarding this project, please contact me at (425) 430-7382. , Sincerely, - DEVELOPMENT PLANNING CITY OF RENTON River Higgins, AICP - - Senior Planner • JAIL 1.Qi '2000 'RECEIVED s South`Grad Wa -Renton',Washin'`on 98055:-1055 Y Y � ,� ,� . - _ • • • This paper contains 50%recycled material,20%_post consumer` _ DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) MITIGATION MEASURES APPLICATION NO(S): LUA-99-187,PP,ECF APPLICANT: Blaine Mille, President/Investment Properties, Inc. PROJECT NAME: Shorewood Preliminary Plat DESCRIPTION OF PROPOSAL: The project proponent, Investment Properties LLC, has requested subdivision of a 4.35-acre property into 28 lots suitable for detached single-family homes. The site is in a Residential 8 (R-8) Zone. Two existing houses will be removed. A modification of street standards has, been requested to reduce a public right-of-way to 42' (from 50'). The project will be reviewed by the City of Renton Environmental Reviev,Committee and the Hearing Examiner. LOCATION OF PROPOSAL: 1917 and 1929 NE 24th Street MITIGATION MEASURES: 1. The applicant shall pay the applicable Transportation Mitigation Fee at the rate of$75.00 per each new average weekday trip attributable to the project, estimated to be 9.55 average weekday trips per new residence. The Transportation Mitigation Fee is due prior to the recording of the plat. 2. The applicant shall pay the appropriate Fire Mitigation Fee at a rate of$488.00 per each new single family residential lot created by the proposed plat. The fee is due prior to the recording of the plat. 3. The applicant shall pay the appropriate Parks Mitigation Fee at the rate of$530.76 per each new single family residential lot. The fee is due prior to the recording of the plat. 4. The applicant shall follow the recommendations of the geotechnical engineers, GeoEngineers, in their report, dated December 13, 1999. • DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) ADVISO Y NOTES APPLICATION NO(S): LUA-99-187,PP,rCF APPLICANT: Blaine Miller, President/Investment Properties, Inc. PROJECT NAME: Shorewood Preliminary Plat DESCRIPTION OF PROPOSAL: The project proponent, Investment Properties LLC, has requested subdivision of a 4.35-acre property into 28 lots suitable for detached single-family homes. The site is in a Residential 8 (R-8) Zone. Two existing houses will be� removed. A modification of street standards has been requested to reduce a public right-of-way to 42' (from 50'). The project will be reviewed by the City of Renton Environmental Review Committee and the Hearing Examiner. LOCATION OF PROPOSAL: 1917 and 1929 NE 24th 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. Plan Review—Sanitary Sewer. 1. A sewer cleanout will need to be located five feet out from buildings. 2. Separate side sewers will be required for each parcel (no dual sewers). Side sewer lines must have a 2 percent slope. 3. All utility plans must comply with the City of Renton Drafting Standards.. 4. Show finished floor elevations on the sewer construction plan sheet. , 5. The vertical profile of the sewer main will be required. 6. The project is located in Aquifer Protection Area Zone 2. 7. Any new sewer mains are to be separated from water lines by a minimum of 10 feet. There is a 7.5 foot minimum separation from other utilities. 8. Sewer Development Charges of$585.00 per single family residence will be required for this plat. The fee for this project would be $16,380.00. There is no credit given for existing houses. This fee must be paid prior to issuance of the construction permit for the preliminary plat. 9. An additional charge will be assessed for the East Renton Interceptor Special Assessment District No. 9204 • (City of Renton Ordinance no.4362, September 2, 1992). The amount will be determined later. Plan Review—Water 1. There is an existing 12"asbestos cement water lint in NE 24th St. 2. The proposed plat is located in the 435 water presure zone. 3. The water main into the plat must be large enough to accommodate the required fire flow assigned by the Fire Prevention office. 4. At the proposed connection to the existing 12-inch water line in NE 24th Street add a valve on the west and south leg of the connection. 5. Fire hydrants will be required to current City stand rds within 300 feet of all proposed building sites for the new parcels. �.t Shorewood Preliminary Plat LUA-99-187,PP,ECF Advisory Notes (continued) 6. Water System Development charges of$850.00 per new single family residence will be required for this plat (credit given for existing houses). The charge for tlis plan would be $22,100.00. This fee must be paid prior to issuance of the construction permit for the preliminary plat. Plan Review- Stormwater Drainage 1. Explain more clearly, in the text,where to find the backup calculations for the water quality sizing by referencing the appropriate section or page. 2. The applicant proposes to route the post-developed runoff from the east and west basins off the site without detention. Even though the runoff from these area is small,the drainage report must still account for them, and the calculations must clearly show that post-developed runoff does not exceed pre-developed runoff for the 2-, 10-, and 100-year events. 3. The detention/water quality facility will be in the public right-of-way, but.must.be maintained by the Homeowners'Association. The homeowners shall be required to maintain the storm facility even though it is in the public right-of-way. 4. 'Stormwater filtration systems, as proposed by the applicant, have not been adopted by the City of Renton. The use of this system would require the approval 9f a Code Modification Alteration Request. As an alternative, a wetvault facility combined with the proposed detention vaults would be the recommended approach to meet code requirements. 5. 'Excluding lateral pipes, the main storm drain must e a 12-inch minimum pipe (Sec.4.3.4-3, 1990 King County Surface Water Design Manual).. 6. .Show the existing flow paths for each of the basins on the drainage map: 7. Developer to ensure that the level spreader is in an easement or dedicated public right-of-way. 8. Drawings submitted to the City of Renton are to be on 22 inch x 34 inch sheets. 9. Before any construction or development activity occurs, a pre-construction meeting must be held with the City of Renton Development Services Division, Construction Services (425-277-5570). 10. ,The City of Renton retains the right to restrict the timing of land clearing and tree cutting activities to specific dates and/or seasons when such restrictions may be necessary for the public health, safety, and welfare, or for the protection of the environment. • 11. ,Surface Water System Development charges of$385 per new single family residence will be required for this plat. No credit is given for existing houses. The fete for this project would be $10,780.00. This fee must be paid prior to issuance of the construction permit for'the preliminary plat. Plan.Review—Transportation and Street Improvements 1. . All electrical and communication facilities to be underground behind the sidewalk. If right-of-way space is not available then in a utility easement. 2. Streets over 700 feet in length are required to hay!two means of access. 3. • Fire sprinklers are required for all houses beyond 500 feet on dead-end streets. • 4. Street lighting is required to meet City standards. Minimum lighting level is 6:1 uniformity ratio and 0.2 foot candle level. The street lighting conduit to be located underr the sidewalk. 5. The minimum right-of-way width is 42 feet(modified from street standard width of 50 feet). 6. The cul-de-sac is required to have a minimum pavement radius of 45 feet and right-of-way radius of 55 feet. 7. A 5 foot sidewalk at the curb is required inside the lat and a 6 foot sidewalk on NE 24th St with a 5 foot planter strip between the curb and sidewalk is req fired. The plan indicates 5 foot sidewalks on NE 24th St and 6 foot sidewalks inside the plat. This needs to be corrected. Shorewood Preliminary Plat • LUA-99-187,PP,ECF • Advisory Notes(continued) 8. Payment of a Transportation Mitigation fee of$75 er new average weekday trip, estimated at 9.55 new trips per single family lot,will be required prior to recording of the plat. It has been estimated that this 28 lot plat (credit would be given for the two existing houses)`mould result in approximately 248.3 additional average (weekday)trips: The Transportation Mitigation Fe would be$18,622.50. • 0 Plan Review—General 1. All required utility, drainage, and street improvements will require separate plan submittals prepared. according to City of,Renton drafting standards by registered Civil Engineer. 2. The construction permit application(s)must includa an itemized cost estimate for these improvements. 3. The fee for review and inspection of these improvements is•5 percent of the first$100,000 of the estimated • construction costs;4 percent of anything over$100,000, but less than $200,000;and 3 percent of anything over$200,000. Half of this fee must be paid upon application for construction permits (preliminary plat improvements), and the remainder when the construction permit is issued. There may be additional fees for water service related expenses. Parks Department Review 1. Payment of a Parks Mitigation fee of$530.76 for each new single family lot will be required prior to recording of the plat. Credit would be given for the two existing houses. Building Department Review , 1. Demolition permits will be required. Fire Prevention Department Review • 1. A fire hydrant with 1000 GPM fire flow is required within 300 feet of all new single family structures. If the • building square footage exceeds 3600 square feet in area, the minimum fire flow increases to 1500 GPM and requires two hydrants within 300 feet of the structure. 2. Access roadway exceeds 500 feet dead end. All dwellings beyond 500 feet, lots 10 through 20, require the installation of an approved fire sprinkler system. Tiese lots will require a minimum 1-inch domestic water • meter in order to serve the fire sprinkler system. • 3. A Fire Mitigation fee of$488 is required for all new single family lots. Payment is required prior to recording • of the plat. 4. The applicant shall draft arid record a maintenance agreement or establish a Homeowners'Association for the maintenance of all common improvements (access.and utility easements, rights-of-way, and stormwater facilities). A draft of the document shall be submitted to the City of Renton for review and approval by the City Attorney prior to the recording of the plat. Property Services Department Review 1. ' Comments will be provided under separate cover. Development Services Department Review 1. The site is designated Residential Single Family in the Comprehensive Plan. 2. The property is zoned Residential 8 (R-8). 3. Densities allowed in the R-8 Zone are 5.0 dwelling units per net acre (du/a) minimum and 8.0 du/a maximum. 4. Minimum lot size in the R-8 Zone is 4500 sf,with nl inimum width of 50 for interior lots and 60 for corner lots. , ,The minimum permitted lot depth is 65 feet. Lot dimensions must be shown on the final site plan demonstrating that all lots meet these minimums. 5. Heights•of buildings in the R-8 Zone are limited to 2 stories, or 30 feet. •• • . Shorewood Preliminary Plat "-- `` LUA-99-187,PP,ECF • • Advisory.Notes(continued) •• 6. Required setbacks in the R-8 Zone are 20 feet for front yards facing NE 24t'St(a street existing prior to September 1, 1995)and 15 feet for houses and 201 feet for attached garages which access from the front if fronting on the new public street to be constructed;20 foot rear yard setbacks; 5 foot side yard setbacks for interior lots and 15 feet sideyard setbacks for corn r lots. All setbacks are minimums. Lots 25 and 28,which are corner lots, do not appear to have adequate side yard setbacks and must be adjusted accordingly. Setback dimensions should be shown on the construction drawings, but setback lines must be removed prior • to recording the final plat. , . • 7. The maximum building coverage in the R-8 Zone is 35 percent for lots under 5,000 sf or 50 percent for lots 5,000 sf or less. 8. . .Dead end streets cannot exceed 700 feet'in length, measured from the edge of the connecting street to the end of the cul-de-sac. . 9. Streets cannot be sloped greater,than 15 percent. Driveways sloped more than 15 percent require approval from the Board of Public Works. • 10. The recommendations of the geotechnical report(GeoEngineers, dated December 13, 1999)shall be implemented regarding removal of fill material from the property, replacement structural fill, compaction, and foundations/footings. 11. Retaining walls in excess of four(4)feet,require ergineered drawings and a separate building permit. 12. Construction easements obtained from abutting property owners may be necessary prior to,construction of retaining walls on or near property lines. These agreements must include protection measures for(or. , • permission to potentially damage or remove)trees located on abutting properties within 20 feet of the property line. 13. The applicant shall draft and record a maintenanc 1 agreement or establish a Homeowners'Association for the maintenance of all common improvements (access and utility easements, rights-of-way, and stormwater facilities). A draft of the document shall be submitted to the City of Renton for review and approval by the • City Attorney prior to the recording of the prelimina y plat. . 14. Performance Standards for Land Development Permits (RMC 4-4-130K), including "Protection Measures • During Construction"(RMC,4-4-130K7)relating to trees, shall be followed by the applicant. The applicant shall adhere to the definition of"tree"a found in RMC 4-11-200, "drip line"as found in RMC 4-11-040, and the " measurement of trees as found in RMC 4-11-030. • • �., • CI Y OF RENTON FIRE PR VENTION BUREAU M MORANDUM DATE: January 12, 2000 TO: Elizabeth Higgins, Senior Planner FROM: Corey Thomas, Plans Review Inspector SUBJECT: Shorewood Preliminary Plat MITIGATION ITEMS: 1. A fire mitigation fee of$488.00 is :equired for all new single-family structures. FIRE CODE REQUIREMENTS: 1. A fire hydrant with 1000 GPM fire flow is required within 300 feet of all new single-family structures. If the building square footage exceeds 3600 square feet in area, the minimum fire flow increases to 1500 GPM and requires two hydrants within 300 feet of the structures. 2. Access roadway exceeds 500-feet dead end. All dwellings beyond 500- feet, lots 10 through 20, require the installation of an approved fire sprinkler system. These lots will require a minimum 1-inch domestic water meter in order to serve the fire sprinkler system. :-'• . • Investment operties,LLC Environmental Review Preliminary Plat/26 Lots , Monterey Ave.NE&NE 24th St. , Januar'31,2000/ . SEWER(Comments): • Vl• The Sewer System Development connection charge is $16,380.00. To be paid when the j / Construction permit is issued. The side sewers to have a minimum of 2%slope to the property line.All utility plans must comply with the City of Renton Drafting Standards. • X The sanitary sewer to have a minimum sep,ration from water of 10-feet. It is required to have a 7.5-foot separation from other utilities. , l4. Show finished floor,elevations on the sewer construction plan sheet. 5. Vertical profile of sewer main will be required. . , STORM DRAINAGE: . l�f ' The Storm System Development connectio charge is $10,780.00. , . l Construction Drawing sheet,size. is to be 22 x 34. �3!T' Developer to insure level spreader is in an easement or public Right-of-Way. Comments as aquired from the Storm Water Divisi n: ' 4. Please explain more clearly,in the text,where to find the backup calculations for the water . quality sizing by referencing the appropriate section or page. /The applicant proposes to route the post-developed runoff'from the east and west basins off the • site without detention. Even though the runoff from these areas is small,the drainage report must still account for them,and the calculations must clearly show that post-developed runoff ' /does not exceed pre-developed runoff for the 2-, 10-and 100-year events. ✓ The detention/WQ facility will be in publji ROW but must be maintained by the homeowners association. The homeowners must be required to maintain the storm facility even though it is in public ROW.' . ' V Why does the applicant want to use a sto water filtration system? This is probably . unacceptable,as the City has not yet adopted its use for water quality treatment. The use of this system would require the approval of a Code Modification Alteration Request. A.wetvault facility combined with the proposed detention vaults is the recommended approach to meet code requirements. , . , J ' The applicant may want to check with the geotechnical engineer."regarding directing the roof ' >ii drains into dry wells. The geotechnical engineer recommends conveying roof runoff directly to • 0/1/14 ' . 157�� OCM014S.DOC1 - ' �lfC/�' the storm drain;however,the soil borings indicate the soils are primarily silty sands and should be ideal for infiltration. 1 /Excluding the lateral pipes,the main storm drain must be a 12-inch minimum pipe(Section v 4.3.4-3, 1990 King County Surface Water Design Manual). the existing flow paths for each of the basins on the drainage map. The'a.y• licant must include sizing calculations for the proposed dry wells based on the largest � � '�o d roof area S1,show how they will be sited on the storm drain plan. Also,include a ` C. rr'profile an etails sheet. Written comments need to explain how the above items are addressed. 00cm014s • • OOCM014S.DOC\ r ' ° PROPERTY :VICES FEE VIEW FOtt SUBDI?"-ONS No. 2000 - o06.. APPLICANT: 1.,,ts4ol AL 1't',1-1d1►1.41=4—) I�V i=�'1 t-4>�1...PJ' -pier r Ee=.11L) RECEIVED FROM (date) JOB ADDRESS: 117 I'C1 142cl I�IE&4-11-1• ei • WO# '7F362.5 N TURE OF WORK: Pizt 107 Le,U -, �-- (SI•-1 t tom ) LND# l O — PRELIMINARY REVIEW O SUBDIVISION BY LONG PLAT, ED MORE INFORMATION: 0 LEGAL DESCRIPTION SHORT PLAT,BINDING SITE PLAN,ETC. ❑ PID#'s 0 VICINITY MAP ❑ FINAL REVIEW OF SUBDIVISION,THIS REVIEW REPLACES 0 SQUARE FOOTAGE 0 OTHER PRELIMINARY FEE REVIEW DATED 0 FRONT FOOTAGE 2 3Z2 ❑ SUBJECT PROPERTY PARENT PID# 3343cla-27ro3 0 NEW KING CO.TAX ACCT.#(s)are required when . assigned by King County. It is the intent of this development fee analysis to put the developer/owner on notice,that the fees quoted below may be applicable to the subject site upon development of the property. All quoted fees are potential charges that may be due and payable at the time the construction permit is issued to install the on-site and off-site improvements(i.e.underground utilities,street improvements,etc.) Triggering mechanisms for the SDC fees will be based on current City ordinances and determined by the applicable Utility Section. Please note that these fees are subject to change without notice. Final fees will be based on rates in effect at time of Building Permit/Construction Permit application. . ❑ The existing house on'SP Lot# ,addressed as has not previously paid SDC fees,due to connection to City utilities prior to existance of SDC fee Ord. SP Lot# will be subject to future SDC fees if triggering mechanisms'are touched within current City Ordinances. XWe understand that this subdivision is in the preliminary stage and that we will have the opportunity to review it again before recordation. The following quoted fees do NOT include inspection fees,side sewer permits,r/w permit fees or the cost of water meters. SPECIAL ASSESSMENT DISTRICT PARCEL METHOD OF ASSESSMENT ASSESSMENT _DISTRICTS • NO. NO. ASSESSMENT UNITS OR FEE Latecomer Agreement(pvt)WATER .. Latecomer Agreement(pvt)WASTEWATER Latecomer Agreement(pvt)OTHER r • Special Assessment District/WATER ' �1s. tr I oR 92.a4- 4485 oo+ILC '-[ X 28 1 `&S-4 DIU'F+-, Special Assessment District/WASTEWATER Joint Use Agreement(METRO) Local Improvement District ' . • Traffic Benefit Zones $75.00 PER TRIP,CALCULATED BY TRANSPORTATION FUTURE OBLIGATIONS I SYSTEM DEVELOPMENT CHARGE-WATER 0 Estimated #OF UNITS/ SDC FEE ' 0 Pd Prey. 0 Partially Pd(Ltd Exemption) 0 Never Pd 1 SQ.FIG. Single family residential$850/unit x 2C. $ 22,l oO.o0 Mobile home dwelling unit$680/unit in park Apartment,Condo$510/unit not in CD or COR zones x Commercial/Industrial; $0.113/sq.ft.of property(not less than$850.00)x Boeing,by Special Agreement/Footprint of Bldg plus 15 ft perimeter(2,800 G'M threshold) ' SYSTEM DEVELOPMENT CHARGE-WASTEWATER 0 Estimated ❑Pd Prey. 0 Partially Pd(Ltd Exemption) (''Never Pd Single family residential$585/unit x 2 F5 16,30O.oG 1 Mobile home dwelling unit$468/unit x I Apartment,Condo S350/unit not in CD or COR zones x I Commercial/Industrial$0.078/sq.ft.of property x(not less than$585.00) SYSTEM DEVELOPMENT CHARGE-SURFACEWATER ❑ Estimated ' ❑Pd Prey. 0 Partially Pd(Ltd Exemption) f' Never Pd • Single family residential and mobile home dwelling unit$385/unit A ' es $ IO,leo.cc All other properties$0.129sq ft of new impervious area of property x ' (not less than$385.00) 1tt • I PRELIMINARY TOTAL $ l Signatu of Rwing Authority A at n LSigUri Qe diLanDr) 1‘2.:7doc, % o ❑ If subject property is within an LID,it is developers responsibility to check with the Finance Dept.for paid/un-paid status. 1 ❑ Square footage figures are taken from the King County Assessor's map and are subject to change. . m ❑ Current City SDC fee charges apply to W • 4 • - p w.Itrrnnhte/frrann1itoh EFFECTIVE July 16.1995/Ord.Nos.4506.4507.4508.4525.and 4526 Shore ood Plat Investment P operties,LLC Environ ent Review Preliminary Plat/28 Lots Monterey Ave. &NE 24th St. Janus 13, 1999 TRANSPORTATION: 1. The Transportation Mitigation fee is$18,6 2. See attachment for calculations. 2. All electrical and communication facilities to be underground behind the sidewalk. If right-of- way space is not available then in a utility easement. /. ‘treet length over 700-feet in length is required to have two means of access and fire sprinklers required for all houses beyond 500-feet. Cpde 4-6-060G(2). \/4. Street lighting required to meet City standards. Minimum lighting level is 6:1 uniformity ratio and 0.2 ft.-candle level. The street lighting!conduit to be located under the sidewalk. J Minimum right-of-way width is 42-feet. 6. The Cul-de-sac is required to have a minimum pavement radius of 45-feet and right-of-way 5 • radius of 55-feet. 7. A 5-foot sidewalk at the curb required in ide the plat and a 6-foot sidewalk on N.E. 24th St. with a 5-foot planter strip between the curb and sidewalk. 00cm005T 00CM005T.DOC\ . ,,..., . . . . . . . ...„.. . „ . .. ____,., : • • . 400, . . .. . . .. - •• • , • ' If.' -, I . .. . . . , /...S• r 'Y 0, • • , V A vs-1 . . . • . . . . . . . ..1 • . • .4rA1.1,1111: . - ' .,,gar?'..., yk.:& .-,,:i::•••:-.':•::: ATinigi::., ci::::. 41-4.ivriN0 , • •••e••_.,•::.:::. „, tfr, .... ••• ,. . . . . . . • . . • . •••,.....::::::::::,:::,,t,::,:,„:„„:„:,:,„,:„,,,:,:,:.„,:,:,,,tr ..,.:•„•„•,...7„...,:„.„:„.,....„,::::1:::15.51 ,;„,:„„„,:.,,,,,...,,•••:::.„,„:„.„.„:„:5„,...::::„...:::::::,:,:,,::,:,:,:•::,:,:,„,,.:„.„J:,:.:,,,:?,:,,:,:,::.:,:„,„:§:,:,,„6,.„,,,„L:„,fittiv,NITIGNinroulc .y: ... :41115„plii:1:::!1;; .., IRANSPOR110*.a.::.,..:::... .: :.::.:....::.:..:.4.:.:2 ;:.,...:......:::,. ..:...............,........-......mBiqii,m,....:::.:„I:i.,...:*: ::::.,.................w.w............. Project Name Sttonvewood pia . . , .. . . . . .. . • Project Address leia4 ./vE ,q_iii .. . . • , . • Contact Person EL:me Ms 11 c? 7 Iiitie.tt4t,=“7. Pi/Q(eVtie 1 he.e.. . •. Address P.O. &,x ‘1-1g7 ,• •Kt.TZ eieD64-1 -44 5-7 . . . . . , • . • . .Phone Number z53 - 630 - 1 LI 12- • Permit Number LOA - qq-i g7 . . . • • g -IC ( ale/it -fa 121 i/ti /0 la ,,,;d,e--; Z houses .e,losi,1-i, ' Project Description 2 10 • , • . • • . . I • .• . . , . Land Use Type: - Method of Calculation: 5 /0--7 EYResidential • W'ITE Trip Generation Manual q• e-,-_-,/ 0 Retail . 0 Traffic Study . . • • 0 Non-retail • 0 Other • . , . . • . Calculation: iverktzu2avev,;ceyai 7I -r (z2.- z) (q- 65 ) . . At $75 1Q-2-',-tv1e . . . . . . 5..i1S) 2.2 . 0 •( $75) (ZLIS,5) -- -1_1_j_______ ___---- . .. • . . ' • . . . . . . . . . , • . . . , 5 p - n .ti Transportation Mitigation Fee: i 622 . , : .. /UW tai / Date: 1/o/00 • . . . Calculated by: , . .. . •Account Number: • .• . . , • - • . • . Date of Payment • . . . . . . • • . • • • . • , . . . , _ ✓ City of Re..__.. Department of Planning/Building/Public V.',_ ,,� • • -ENVIRONMENTAL & DEVELOPMENT. APPLICATION REVIEW SHEET • REVIEWING DEPARTMENT: '-di seA,\tcjj COMMENTS DUE: JANUARY 28, 2000 • APPLICATION NO: LUA-99-187,PP,ECF •. ' . DATE CIRCULATED: JANUARY 06,2000 .' . • , ,. I, APPLICANT: Blaine Miller/Investment Properties LLC PROJECT MANAGER: Elizabeth Higgins , PROJECT TITLE: Shorewood Preliminary Plat WORK ORDER NO: 78625 - CITY(7�I4P!4T(at`t LOCATION: 1917&1929 NE 24th Street. V I SITE AREA: 4.35 acres I BUILDING AREA(gross): N/A i it 1'+11QQ' .SUMMARY OF PROPOSAL:The project proponent, Investment Properties LLC, has requesti.ahj sion.of a 4.35-acre property into,28 lots suitable for detached single-family homes! The site is in a Residential 8 (R-8)Zo11t :'iliwo a ing houses will be removed. Modification of street standards has been.requested. 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 ' - '.1)CM a L[ viV Pe/e 4/., g6 ' vr22 We have reviewed this application with particular attention to those area in which we have expertise and have identified areas of probable impact or areas wh)': additional infommation is needed to properly assess this proposal. AirrAini WO'/Qa . . .gnature of Director;'uthorized Representative Dat ' Rev.10193 routing . City of Ref ;Department of PI nning 1 Building I Public W ";, ENVIRONMENTAL 8 DL-.=ELOPMEN�T APPLICATII. ' REVIEW SHEET REVIEWING DEPARTMENT: COMMENTS DUE: JANUARY 28, 2000 • APPLICATION NO: LUA-99-187,PP,ECF - DATE CIRCULATED: JANUARY 06,2000 APPLICANT: Blaine Miller/Investment Properties LLC PROJECT MANAGER: Elizabeth Higgins PROJECT TITLE: Shorewood Preliminary Plat WORK ORDER NO: 78625 LOCATION: 1917&1929 NE 24th Street SITE AREA: 4.35 acres I BUILDING AREA(gross): N/A SUMMARY OF PROPOSAL:The project proponent Investment Pro erties LLC, has requested subdivision of a 4.35-acre property into 28ems sui a le f9r detoc a ssingIe-lily h has Thne si a istin Residential 8 (R-8)Zone. Two existing houses will be , 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 rts Major NecessaryInformation Impacts impacts Necessary . Earth Housing , Air Aesthetics Water • Light/Glare Recreation • Plants UtilitiesLand/Shoreline Use - Transportation Animals Public Services Environmental Health Historic/Cultural Energy/ Preservation Natural Resources Airport Environment , 10,000 Feet • 14,000 Feet • „Iir-Lertf2_, CV1Z, n 4 3 1 ci )f)If/OCI-5 /0 /967/2ai . , . . . , • B. POLICY-RELATED COMMENTS , , • dtom./7'0 7-1- t ?Zeff' 536, 7( , ,5e/vretzryzyy. .721.4(60/1/1 CC i C. CODE-RELATED COMMENTS ' We have reviewed this application with particular attention to those areas iri which we have expertise and have identified areas of probable impact or areas here additional information' n eded to properl/yy assess this proposal. 7 ,ori a _ ,/..., / 7/q7 , Signature of Director or Autho ed Represen five Date Rev.10/93 routing Shorewood reliminary Plat Investment P operties,LLC Environ ent Review Preliminary Plat/28 Lots Monterey Ave. E &NE 24th St. Janua 13, 1999 WATER: 1. The Water System Development Service c rge is$850 per single family residence. The total amount is due when the Construction pern it is issued. Total amount is $22,1000.00. 2. Label the existing water line in NE 24th St. as a 12-inch asbestos cement water line. 3. The water main into the plat must be large enough to accommodate the required fire flow assigned by the Fire Prevention office. V4. At the proposed connection to the existing 12-inch water line in NE 24th St. add a valve on the west and south leg of the connection. 5. One fire hydrant is required within 300-fe-t of each residence. 00cm005W 00CM005W.DOC\ • • • • PRELIMINARY PLAT : .,• }=p.,��. SHOREWOOD -- fROMTAGE IfROVDplf9 _ .. 81;i - _ _ 5.5PIAMER SIFT N.E.24 STREET RENTON, WASHINGTON .LEGEND SERVALS n; SECT.S,T.23 rr9 R.5 E..�Y -. __ ...o.�..ai mm+�� - -- - _. -.- I • v, I ._-_ ----� r____-f r L,I ' 1 I / PROPERTY BOIROART I P I I' I - CITY OF RENTON ZONING INFORMATIONlir I —__-LOT x II 26 111 II27R1ZS I Ii!OEM Rrnr-or-w.r I CII I 9p8• - ZOINC R-e r l I I $} fiI LOTS ze _ 00 Piorosw wwTOTAL AREA 1.35 AG - VX1l11T - L___ L____J L__� J,I^ -' - LOT AREA 35 AG CTOTAL PARCEL SIZE MU5 STREET R.O.W. ----ROADWAY E -�- ' I.. ROW AREA 0.65 AO I PROPDXD GRD d0 OInED y9 --- ,ff]TI�� -4'; I . E • PROPOSED DENSITY 28 1Nr5-/35 ACRES-e UNTS/ACRE d4 ntoro5[O sOLwALR �_ _vuae_L 16_`rim_ .13J��r___�cx�_l DENSITY PERMITTED B LNTS/AC R 35 AO-2e WTS I I- ismeT CODE _ - SDBCWIL XTBACR uL __ - `• t _,' I aIAND N SEN5ITNE O.O AC-NO SENSRM AREAS NAVE-BEEN mENTffED _ - PROPo5C0 fa STorat -1I- IIpmI 1 - 114-L I'--L i/ANCPOSED SEWER n5n[R' AREAS - ON SITE. .. - - A MANAGE EASIER A I I• 1�11 P I • I �• I _err J--_•- _ - - - I k a 123 til 24 tiii 25 i I I --r—-- • •SHEET INDEX . ii J L I) ,.+ I I 2 i g - .SHEET DRAWNc TITLE . ^'�'�• ill /• l / I -' / C___.re..ma�_--_J R 2 1 IT-1 COVER SMELT Aem LOT LAYOUT - - -- - / / ` _.JOa___,2 R-2 VERITY MAP - - - _ •-._, �.:• .. j/ 3 R-0 TOPOOtARE SURVEY I PROPOSED 1' /'� �l a IT-4 FM/NW s�GRAZING.510101 MANAGE.WATER AM SWfARI SEWER I `SID AM FOR • 11 -i..-1--'] '' ~J 3 I q I - ;��__ ]S' X10ACA4 TTr. '..''ram'k^e• I 9 PROPERTY-OWNERS 22 �..— .:_. -' ,...-- --'e_". _ o LA/OE 90]l]BIM AVE.S.W.SGTILE,WA 9e126 I $/ / TEATS[KM FOR I rl r____1 I i_-�-I I 1 • 11 ram`l r-wr PROPOSED P - - - LAfNlT 1911 ICE.24TM STREET.RIIRO17 WA 9505G -- ,�I SR8ALA 00 5 Ili, 1 I• -I-1 I • 1 .AVZSS 20'PRIVATE WATSON 1929 NZ 21TM STREET.RETOOK WA.5056 - _L_R 21 --J i L-__ I ill I 6I 5 1,1 4 I. 14rg,,s,,r,Y,u f R ynr - _•...-A__ _ 1 1••I I DEVELOREIT - r__�oraA___ I ,�i- am__i• 1 P 11 I REOAATICNs a PROJECT CONTACTS I i 1 f _I i I I i i LI fii I I 'c OGO]-] • g I 20 I 1+4f 1 10 I I _ ' ROLOT MAWRR • L_T„,=.P,Y-_J 1 1 "•I- •_•__,`' af,� wm' I •xux•L SOW xno I ' ' . M MARC Illu CARL SROIOOD,ALE?. 4 MK511[NI FROIRRS RCA/IANT-ZOl1AR5 - . - _-�ocax___ I 4 II I___ --_i 20'REAR SETBerl1 TR. 5 WC SCTBAGR,77. • - P.O.Box Glel elf E.PR 5T. - - I 19 1 -1 2 i 11 i R IE1;WA 95064-G457 SEATTLE,WA 95122 I I 151aLGLov� renrcr vavrrre _s=r_J L__�=i>t_'_ VICINITY YAP - _. - • RIARIL TORUS,PL -BLAB IRIGGC,rI_S. - - - �� • '• R0ARRA7T-EOLLARS RCA/MUTT-ZOLLARS I--'T. pay---/ ' _\•a --1 - . - - a.J. . �. .• BSCATTLE,WA 9B123' - v. TACOMA,WA aB1oz i I 18 // i \\ 12 I s ,... ..`E. - I _' /, - 'LOT AREAS - ,---'"---1 I PROYOSED IG•sawALR I- '- AREA AREA MAR LOT AREA APIA MAX.LOT L • .. -\ , 13 " ' LOT R EST] CAC] COVERAGE(Sll LOT R (SF] fAG] COVERAGE(SF] q 1 3,156 0.13 1910 17 .aDe 0.11 2,104 - _ 17 1. _ I C _ $ . ' • - • " - z 0.101 ou fa9D to Ia3l 031 2.zw E c'�" \ / a g - ' .] 5,913 0.14 2491 i 9 5325 0.12 LB6. 9 �\ / ^� 1 ' R + B 1 5.05 012 LT. 532614 ,5u LTw5,3G1I613 2p25 2 1.61e 0]l WA. _ • Q /7IE Ia6/ 3 SP3l 0.12- -2,M9 I 16 / \\• 3 . . 4200 0.11 2.400 I / ? 15 I Ob '1 0. 5 6,02] 0.11 2,105 r I "f�/(y�/j I' 6 •nMr� 0 10 5200 0.12 fa20 26 .a1B 0.11 2Z355 I .,,T-'R L _, ,\ll M J R ^ u 5200 ou 1p20 27 I,6u 0.11 2,30G L _ _ . 12 1531 0.10 2.26G 25 G030 014 2.111 • - o . L3 4.670 0.11 . 2.335 TOTAL 152,475 330 .-. . - _.__. _ ,, Wiwi ac33 nm ._ _..- .. -_ -_ -y 14 yrt3 0.16 3,J11 I entx u . • • 1 5.550 0.13 ' 1942 L WREN LOT COVERALL 15 35X.50X y I6 y996 0.16 2AIe LOT COVERAGE 5 ALLOWED FOR LOTS PROPOSED 10 STORM • -5,000 OR LESS RR 4-2-110A OF - ORAEYGE EASMIM N . o1roM iLvnono s r,.. LOT LAYOUT m I- ^ APPROVALS .105 NO. 150275-01 revAArs NOT FOR CONSTRUCTION o RI A/HUF1T-Z-J� 'A RC PRELIMINARY PLAT v4? DATE DI. to,]q.1 • COVER SHEET AND • 11.-+! 1 LI u S Investment Properlear LLC t,lti. 0T,015DRAFTED DRAWING N0. .RABw.,,,.,,.,,AwRAn.i.rY..E.b.n.rlsXwe. y DEO PROPOSED LOT LAYOUT s e,e.r MOW 'W PP-1 MLI.XA • SIr1ATII�� 1-ffiBB., f-DBL)>7PF® t911 AIO PIN OV WA 950 G sTR6T s. _ �y SCALE 11�10' • L �'P052I.5° SHEET NO. 9P..A co, - 0 2®FEET 1 OF 4 • • • K ri III--Io v- 3Hd7 r_:N;,.. Fi \ Np1JN/HSdM / �� ...,...'" ,/:, .,_, i*:.! . ®\? fil 0-.' N0 1- 9 1 11SM < d w3 _/� _�, _ i ,. -00 _• — OHS .'. I::.--'. m I b . onie i� ' / . -4.' - i1•13 .---- — p 3 ? b �;'•d�:. I' .. I a:••�_-':' . _ ups•, ' • N airyQ I' 7 ems �' + 0.� `: +i�® -{'a�i' .m 'y"li:,' '. •': ,QI • \': I• I d,A `� ,i„a,x a • ' MEADOW :.AYF i. iLrJ �0 AYE<DDW AVE N .. ', �....... ^ I - - - — INTERSTATE'-HWY..405--.---:_'= •- I• 'E... .. NE..+ ._- •:�_ , '�"r�. �l:J' .. „':�:.C] I��:�CI-�- dB'�'._^.'�. �� - ::ct Lt , I JONES a fr P:G•� a� �I �e"jy�y u .,. ...�i }' ., trl N.E.NE je �. `t A •: � Nf x_r� 19'' `i.J -� _ :t� i i�'� � tt"-1 Fi sI .trm•1.__R_ LI CP'' [ I . 8 R Y NE V r :$ N n,.�__ m S�]e :E$'' a . LL t�e 'i:�i �tAu p d • R ; -EOM* 1 m • W teENNEWICK.AVE. NE. . . N q �6 .. .� ...,-ten.=---.. _ - ,-124 _ VL;a^ tiT + � �J' •6 A-. - '--k' i:j ' of i ��' . is - z N ^J ,�` Yea' b - i L ti J e '� • r. • 8,14 ` Q;� 'f''' .$ N N m"i�-'ri-�. L"!'wr.: :I� � y N ! C�� i' :ti ••'' `5''.'•,.•;�; Z. ©.1' N MONTEREY AVE.N.E, ' GY.,I t✓.', -,-• st j • CT. % - /,� Cam1.. , l _iatT� x .i' '. .. 41 • ;, 1,d.,,%rb;.,'r N4rl,f� :•< ®I •" I it v. m-_--„�'-1 �, 1 •, •• F"'" .. N .k'7* :C ABERDEEN4N ^+AVE. N.E " .. I ID . 6.i E W Z N a-. e- ®:�-•.. _:. ABERDEEN' N.E '.;:,e ••e`!_ N 2 Ke nnydD l e N: ''t ro n�}'N;�-1�l m + 'b �• 1f},,•- •- j _N 'Lions Pork "-.AT; " I_« i---+N� O n s.TnBf '.._. •.�T. TE S.`o _ "o L7 O j S ro = a �� CRP. Di fib 1' y4 - _ ^m m; `pp"'&b n ':•. of® G 4:..5 7 . y •' AVE. ....NE' s y • _ a 'ter ._.r• Zr .,..,I.4 P IV T om" _ Q_- Q •.t.o••"_. -a�: o„ ,BLAINE AVE WE y`..��s_i .: GN, Dom: w '� i ® ,'n�c.Y " '_`6 °f"w•.S� i t •,W'dtit R=E••id;`-S r e:,i�„ Oe .- a51'-'•° • - ,.,,..GvCAMAS _0.. .4 AVE. .N.E.. .''.' "II• I • " -I f. .-. �� 2'q. � ..E, D ❑Wfi'`�C' l:4-- iv... J• ,,, ., CAMAS AVENE.. -4 '-W__..`�'o�.u.' �• •;° .• °m o _. ..>-_.rail ' _:s- :...:k o- " . = . ._ .i;1 a • , _ :j'e'c `'t a; _ I w ▪F % N 7 A "l." 1 I. I I'Ii� iN _•2• Ijn.� I ..,c' ,7, b' ... >_ < Av ... [*1I Ft ro P. ..LY :`::.. I I1i+++l��+fe- : "j,7d1111I'<7 i �'-,• c, '------ --_ F. 4 E..�NE? - '•u iYjl 1�1�i01g ,� - -P<- AVE NE' �• N_'® g. ' 3 v� . .1:ti.•.. 4 _ '"g,t. ! �, ?DAYTON a r.:f"' V k.k z'•k- - �� ' '•;" s- .ate __.__- '� • .. I th•S-��S•13 N i•,bl L t'J ''I wt.t.7.,r [l._ .�.w. A . e.g. '-', - ' . __ --CII•._.,IC U" 'C� V' .`It H: t !:1'11 +(�=i•t1'1%W.17 "l 1'1-1-iW u, ':1,.A- �i:,r6..,1 F.1 t� A�; i :c 6 i. ---..-E 'g: i FED.-. —.�—.—.—._.—.—.—.—.—.-EDMONDS�-•-•-•iAVE-.-.-.-"NE:.-.-.-._!-.-.�.I 1.-._.-.{.�. t z N -t Z _ ' O RCA/NZ Plotted by DBB-Seettb an OB Sep 7994-4'59pm • a..y..x G.lpaW\lsox,so'\..9Vnsvv'.A.G NOeae...,amr,, We/vs .:u yn.......: - • r o as • • - - . SECT. 5,T. 23 N., R. 5 E., W.M. 71 <� GI S HEor20'W 132s5' - LI — I— - • �1- 1 - - -—�— y I N.E.24TH STREET (JOKES AVE TO AAERDEEN AVE)_P ,or,_� 9 P P '--� _ of R.O.W. C lil _ —_ — - 2,1 / I N89V)'20'E 213.2' yy II LEGAL DESCRIPTION I I V I # //i t I ` 5 _s' ENeE i IL., I G LEGEND - _ PORTIONS OF TRACT 262 AND 273 0[C.M. ul I NUALAWS TAME WASHINGTON GARDEN OF EDEN - II , /O •\A p ® ® UGHi PULL BOX DIVISION NO.♦ACCORDING TO PUT RECORDED W GARAGE l / 1 I \ • • VOLUME 11 0[PUTS AT PAGE 82,W KING COUNIY, - l I CHAIN INK _LJ \ /` Ir'•. I •)11--Q LIGHT STANDARD W/ARAI - WASHWGION,DESCRIBED AS FOLLOWS:THE EAST 63 /. 'I £ FEET Of TIE NORM 200 FEET OF TRACT 273. 61 uONUYENT W CAS[ THAT PORTION Of TRACT 262 COMMENCING AT A o sATEwiC O I I I N B9»7'20'E POINT 60 FEET FAST or THE NORDMEST CORNEA DISH''�'I „ I HOUSE • \ 1 1 --- ♦102.6J' • NUB AND TACK Of SAID TRACT 26Z THENCE SOUTH 135 FEET . / \ \\\ ,"� . PARALLEL WTM THE WEST BOUNDARY Of SAID TRACT: ' E ' ' O \ 1 I \ / / R - _THENCE FAST 90 FEET PARALLEL W.TIE NORM G(7ITI I / A ');'r .. IRON PIPE TINE OF SAID TRACT:THENCE NORTH 135 FEET V I - \ 4 PK NAIL FEET TO WITH THE POINT WEST Of 8E41 tONiGNENCE WEST 90 • o HOUSE I \.\^ I I I II\\\\ \ \ \ I • O 1NTURµ CAS PETER •I TRACT 262 EXCEPT THE SOUTH 238.72 FEET IE�+F l • THEREOF AND;EXCEPT THAT PORTION OF TRACT 262. „ TANK rt I C I 1 \ \ I 1 \\ \ POWER POLE WITH DROPLINE o. DESCRIBED AS FOLLOWS;COMMENCING 60 FEET FAST NORM •q 1 \ 001 P0008 POLE WITH DROPUNE.AND TRANSFORMER OF FM OMB WESEST USC 5�,T 01 —, \ • I \ 1 J \ 135.FEET:THENCE FOLLOTING THE NORTH LINE OF CARAG J I .\ I Cs' I TES POwER POLE WITH LIGHT SNO TRACT 90 FEET;THENCE NORM FOLLOWING THE �1 O I 1 1 I I 1 p STORM DRAIN CATCH BASIN • UNT MERWEST EEOF;M WEST OF YID TRACT 13AL5 0 C THE HARM TO THE LINE y Fi 89'07'20'ESFENCEOD 189.60' / // •, I J 1 \ \ 90 FEET TO THE POINT OF BEGINNING AND LESS THE I I I I I I ' 1 I I I I I III • / I / 1 \ N \£�` ® STORY DRAIN MANHOLE NORM 100 FEET OF THE EASTERLY 102.3 FEET .• / I 1 \ 1 eye •LNIL BO% / THEREOF;AND TRACT 273 EXCEPT THE NORM 200 ''T3,,,, '. FELT THEREOF. J 11 1 I 1 1 I I I I I I I I I I I I '� y; I I I I \ \ \ 1 1 -A. STREET SIGN I R J / I III \\ I I 1 J 11111 \ i // \1 \ I I \ \ \ I :OIT�J ® SANITARY SEWFA MANHOLE - g BASIS OF BEARINGS - •- I l I // I J I \ \T J 1 I 11I_I_` i `\ \ \ I \ \ \ \nn01-I �R—TELEPHONE-RISER/PEOISTAL -- - BEIRONGS-HEREON-AREBASED-pN-1111'-OF-REMON 2 8 3 1� / / J I ( ) I TI T1/I I J \ V \ \ \ r^' -g— CONIFER TREE m •H.TS SURYEY fANIROL xEf•OIIX YONUYENIS3. I/ / / / I . \ \ I Y`// / / / / I//rl I �• 1 d• 1 i 0 DECIDUOUS TREEICJ (Z) SHRUB BASIS OF ELEVATION /, ///////// I I I I I I I 1 \ \\ / / I I I I / I�I\,, ® TELEVISION JUNCTION BON m COS SURVEY HEREON ARE BASED W1 CITY OF REMONI / Z CAPS SURVEY CONTROL NETWORK YONUYENIS. J.I I ( / / / / I I I I I I \ / / I I I , 1 II $ I} FIRE HYDRANT <I - BENCHYMK/334 TOP OF BRASS NNE SET IN L CONCRETE MONUMENT AT INTERSECTION E Of JOKES I I I I I / / // I I I i / I / / I / / -\s e Z AVENUE N.E.AND N.E.2♦M STREET.LLEVAipN I \ \ /�- / //, 1 1 9a' ® WATER METER _ C I. 2%♦J♦NAG`A 19E4 UM TOOT. II I I I I -/ / / I I I I I I I \/ �N 8973'58 /252/JB' / 1 1 �' M w6TER VALVE m UTILITY NOTES HpENCERE �tI I I / \ \ I I \_ `- 30%- / / J a1 0 STORY DRAINAGE CATCH BASH I m bI I I I I \ Hill 11 I / �- ,02� i a• G. —9— NATURAL GAS LNE m I' TAG(PM/ RN EL INVERT.EL I ' 1 I00 300.72 IE 12'GONG w.299.01 Tg� STORY DRAM-LINE N 6-CONE SM.299.29 I ai I I / 1 I I I I I I ` •`,� N •— N 12'CONE E-299.04 1 �,N 1 wAT[R LINE 2 1002 295.02 IE 12-CUP E.291.27 I I �"1 ( \ \ 1 I 1\ o A'— BURIED POWER AREA 3 '102♦ 288.18 R 12"PVC NE.285.53 I11 \ \ \ \ I i / I I 1` iO T • IE 12'PVC W.ZB5.66 i^�. TELEPHONE AREA CONTAINED WMMN DELINEATED BOUNDARY ♦ 1562 265.70 IE 6'PVC N-283.70 X11 \ \ \ \nn I I I 11.1 I N. `' EQUALS 4.35 ACRES. IE R'CAP 5.282.9) 7 \ ) I I v —r— OVERHEAD POWER LINE QSTORY DRAINAGE HIINHOLC 11I\.\\\ \\\ I I I I I I 1 \ //__£"' —5— SANITARY SEWER UNE - I TAG(PNT/ RIM EL INVERT EL II X _ — PAVEMENT 1 1000 302.65 IE 12'PVC N•293.05 11\1\\ \ \ \ \\\ \\ \ \ 2^" / l— — CONCRETE IE 6'PrC W.293.03 _ E 12'CONE-281.3I.45 11111 \ \ \ \ \ \ \\\ \ \// / i Q 2 1026 286.33 IE 8'CONE N.281.33 I \ t' \ I 1 \ \ / USE ENCROACHMENT,AREA BEND USED BY ADJNFM IE If PVC W.28055 OWNER TO THE NORTH. Q SANRARY sEWER'YANNOLE 11II\\ \\\I\\ I I I 1 I \ 1--.....--� // . P TAG(PM/ RIY EL INVERT EL \ _ ' 11 • 1003 29♦.06 IE 6"PVC 5.26506 111_I\\\\ \\\\\\1\1\\`...... _'�//— — I 2 1017 301.96 1E I2"PVC W.291,15 _ (//III 3 1015- 291.68 IE 1t PIG W.282.55 \ \ \ I. \_� — ' • 2 9 I iE If WC E.262.61 \ \ , \ \ === ,— a 1350_ zea,)o E 6'PJC x.2n.]) ��`` \\ \ IE 6'PVC E.277.63 N\\ \ \ \ \ • • V \\\ \ \ \ \ 17�8�\S51S� \ q// I o \\ \\ \ ` ,�525§'\ \ // . O \- NOT FOR.CONSTRUCTION . . APPROVALS !CO NO. 15-0275-01 II RCA/HUI1T 2OL1ARS P` '°VARY PLATF11 .- DATE Decal T9> lr WPW TOPOGRAPHIC SURVEY E DWING NO.Meatnent PEopeEies LLC i MAXIM IIal ' OW Ap•� ET[CED�o PORTION OF TRACT 282 AND 273 • - PP-3 RN I. N. • SUX4,il02 . IwP.Em/a♦-Sm • r�®61�-® 247 AND]4•FC[TQAST 2m15TFQT 1 e ��-�'� K�oA WA•�E ' 6 fit' SCALE f.•b' SRC ADDRESS • ''•Td'•R 1917,1926 NORTHEAST 24111 STREET'" SHEET'NO. S -- _ — O 2A✓J 81 FEET RCMON.we MOSG 3 OF' 4 ' L • • • • • • SECT. 5.T. 23 N., R. 5 E.. W.M. '1R�>•Aft, CAAS,NG'IWMOIL .S R' IICLWOUT(W).29t1e �' _ li I`I+ C OUl(W).2a1 t5 C.PICE3o2•11-55 ' I I 1 S eirm T4ptm ` �( j / 1J '" 1 / .,..-_.---.4------_ rJcem ^ . . j ,J 1 — - 0 9 24Th STREET N.E.24TH aTAE_ET Viz, ' - - / M1 �-- -- _-f . -- o .. .� � � -�_- r ° tom. — - - `, 'c - ` 0 1 • ii�I\----, i ., I �� / eL-v rxorosm �j . • LANDSCAPE III I I I I • 6 11 4: 27 I;� 2 I I \✓ I m natitra, tiC-e-0a rMEAAL I 26 II 27 I I 28 1 I\J en rvc • i.soso 1 i_sasD • ,1.� \ I QQ III, + /---'J L_---JII -� /\ I I ' /A �. - I �Y.r 1 l4 SCWCR' I 5 J rR R /.I • /I • eC lv.O , L___ J L___ J L_ _ -JI I j I P. �/ • • \ I • \ • jl m • —i L t Ilcln i=3rr.9� (? e t \.1 \ 't • III*_ I ILJx CSw>-29).)J MSC OECNANCALLY STAeLIZED /I I---_1 1 r-��_�_41 -1_ �,-r`w300. ` i -___ ___1I rtC.N-3)E39 T J__ IICJ OUT(C).2l).6J 1 R. • CARTIO WALL(TIPJ 1 -t.J. a I f ^ IT 3w.0• :� I i I I 1�_ `- • v C I � I R.OUM2Te.Ql LF_y- T - __ fi 6W 2NRO 123A 24 25o i — \ -- su.a r sewn MAN crrrJ 123 I 24 I I 25 1 I T--- - P2.222e I .]m p I IL x CWY2A.ee TIM Tw D .O : �I ,- r '2' , 1 l: SEWER I I I 8-1 I It.oiT(KYzn.)el CORGI TO ' • I': ISWART TTT 2 )ea .w 2e4A .W 300a J Ir___J l l s I •r'2wl• I W MAN(OLL(TTPD I I LL___� /I - I I CASING 4 IT 2na •o-z t1E-4 nc-z ---- / I g 0 Irr IIIrI )-•, i / IT 2103 302 / % J-_t-Y-" -J L,____J `•Y L I 24.5 AAA L. 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KROLL 1-7Resource Conservation CC I Convenience Commercial +P1 Publicly Owned r .rl- IR-5 I Residential 5 du/ac CS Center Suburban*, I R-I I ResidenUal I. du/ac CA_I Center Neighborhood' Renton City Limits • ' '- ` Adjacent City Limits IR-6 I Residential 6 du/ac CD Center Downtown• (Grey Text) Prezones SECT/TOWN/RANGE •w I RNH I Residential Manufactured Homes COR Center Office Residential =�.•s Automall District A I R-10 I Residential 10 du/ac CA Commercial Arterial I•;•;•;I Automall District H an Residential 14 du/ac CO Commercial Office • For additional regulaUons in overlay districts tz not shown on this map, please see RMC 4-3. Di • Residential Multi-Family Infill IP Industrial - Heavy x cm Residential Multi-Family Neighborhood Center IR Industrial - Medium PAGE a Z IL Industrial - Light Y am Residential Multi-Family Suburban CenterINDEX CO NJ.... 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' ..!:1 '''. ...:.';',..,:-':',':-.-':-.`::'-:: -.":'.' '.-.: c..,,:•;-'-i!,- ::.:,:: -'-:-',:"'-'131.i iiiiiiiii4u'itaiiiiitiiibii6Voik.§.beriaitnientJesse Tanner Mayor ..,....,--:. ....,..._--r_.....-.7-.. - --,,- .•..-.,.,-.: .-..!:-..:.::.•;,,;. ". -.-;--, ,,:-.,..... :„.„-....-..,,., .,,,:.-.:2.::•,,:-....i..:_,;,/,--, ,,,,--:::,!;.,...Gregg Timmerman l'E.;Adinin!atyntnii,.i:.:•,, ,....,,...,,-...v:,..1, - - ..::: -. ' .• .--.• •• ...• .-.. •••.-.,...':----- • -,, :•••-•.::---,•. - •. .':--- •7.:.;••; ',"..:',:;.:•';:...-:'...'',:.'.,:',;'•-';;;.,;:'1.-3' ;•.:::..";',•'•;'::,•'f .:::::•7;•':'''. -:;::;-:::.',.. .•'...?...."-fl,:;;;':::/:"... :':::1•7:`•- •''...C::::•.`-''‘''.:1:1.;'''::;:•:...;.:,.'•.'' ':,,:l.:6:'7.:7...,'''..1.-- :•;;:..:'V,":•:,f'; ,';',...-• ;• •.--•••.•:., .„. ',.:'.: • :, ''•'';: "`..'..•'•,.:,.r.-:'2''',",.,-;.:i, •,‘,:..,:[••1:•;,.1,:':•.,..,.'-;::'1.,•,':',••••:;, ''.-•::::',. :,•.','.:,1.1,,:,,,71.:,'•.-:,f S:'•-•;';' ,,,.;'if,••1:4'1,.."•'%•':;:... 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"'::;:'-'',.:::::::•,.::-..:..;:•-•:-'1-:.•.:-.7f,.:1',...;:f, '•'.'-i:z ' '•••-'''''':-': •'''''''''' " -".:- ..-•'l'-':•.:':.••' '-'-'-'::-••--'•• :-.:':.•:' '-..-•.. r'-.! •-•-•..`:--•:-.-....'-'1"-',41-..---:1- ;•i-... .,'•-_:.-,;',-:i:.1•:••?.',Y'-:';.7.•,,"...- .--- .---5-•'..-....-.....-,,..!..•.-. ,:ry,-,.. --....-:-.:.--, .•.,...-.. .. .r, ...z .r......:,.:,....: z. .• ::•,!•-•.' :-. . '-: Mr. Blame Miller,President ...,-,,.: • .. - .'.•;.::- ..,•;....--,:.% -• -..-.:.-:.:.: .-•,..-,::..., ,....:-•,:-.:;,:....: ;:_.-;_,-,..•-.-.., ;•-..... ...:: • !-..• „. :._ .: --.. .. _ .•-: -: --.•:"...,-;..• .2. •.- , : InVeStmentPrOperties,-.Inc... ,...•:._-,:,. - ,,:, --. ..,:,•.: :,.,-,:-.,....i..„.,........,,,,,.,,,..),..„:.,.....,,....:.-.:..;..,,;,.....--.:,,,...,........2... ........:,.• ..:.,...•.,.,,...::....q..-.,.......:... ...;:,... ..;....: ..• •. . .. .........-'=.•:::..'••:',. f•'••-...-' P0.Box.6487 -.. '''. .....':.:...-,•' . . --•.:.: .-.: .,...-. ., -.•••., .•:;.,,.)..,•?:•.....- .......-:,•,.., j.......:-....:•.....--„:1._::._ .:.,;... .:;;;:-....,. ..::...,-_,..:,:-:,-.. :-.-:.-,.... . .,..'.,,....:-....•....,......,..-2_ ......., ,..... . .- ....:,. .2:-:',.:.:'••:. '..'... -z..-:'• j..::.Kent, WA 98064 • .. -.-.- . . -zz.. ••.• ... ... • ...: '..'.!,......:.:•,--:-...',.•-:'•.:::.z7z.:..,•••,:'..2,.... .,•:::...:.-:-.'...•, ,.-',7 .-i-.;•-j:',.. .:,:..,,:,... ',,.;-.'•.::, ,:,...••••,..-.... .• -;.-- .,',-•-•- .. . . . .. .. . .,, .. .„,. •:.,..„ ... .. ..., - . -- •„ ,••" • • - .. , .• •..'".... •;:•: : --..',..'- • 'Re: .: -Shorewood Preliminary Plat,LUA99-1 87,,PtzECF.e'..'.-:.'::.:•;`....1':,:.....,f.:.•„:-...: ,..:.,•-:„;.„......., ,.. -., . .... ; ..•.. : . „ ,.. . - . - ••Corrections to Notes and Format and Legal Description Review Comments ,.• ,,i. .,.-, . .. „, .. . Dear Mr Miller . . • . . • . . . .. • . • . . . ,. - .. ...• „ ....„ . . . . . ... ,. . . ... ,. , . . . . . . . - .. .. . . . .. . . The intent of this letter is to provide some a ditional information and clarification,to your . •. _ • ..s. .., ...- . - • application, some corrections to the Notes to Applicant.00ntaineii in the staff report to the Environmental Review Committee, and comments from the City pfltcrOriP.r9perty ...,.. •. . , . :.• -•• •• :.- . . Services Division. •.".:,-- - •• - ;•-• ''',:. •-• ' •'':---'' ,.--••••...: .:.::-.,... . . . . •• : . - • :::": . ..,- ' - -. •- . • .• ._ . • ...• •. ,•„ Additional information and Clarification: ...• . .. . , - • .'':,..., :,.'!':.3.^'•.:5-..;';,...,'Jr-s:;.-.',•-..-.......,-.-ri•.••, --:.•....z-•: *; -•••..-. .••. . : ••: 2 ., .: •• .•:, ' •-• : .••' •.-.. ...• •-• • . • .•'z' ''•::., „. •• , .-..• ': '• :-.•.•••••-..,.;.';,':',• -'.2, '•:-•,..:„-.:..'••,_ : . : : : .: ....• .-..: ..: ,r-. .. -:. • . - •• .- •.-. i..•. • - -Length of street: - •• ':•••:.,-.. ,2.:;,•,,,,' :: ., ?„..,;..•:.:::::,=.':•1,,,,. .q:,;,:...,.. • .,.• .:-......-..:.,:-.. ,_ :. ,. ..... . . • . - ..-,.. : .. . .., i , ' :-. - . --•'' -- -- • The street wilt be measured from the:•SOntheinzecIgeof NE ...iin,...,Stree to the middle .. ...2. . . of the cul-de-sac; This length.is limited titi":7 0feet.. ..'•••• .. . . •.`;.::.:,-,--,........-;'-'' .....,: •.:::. -.;: ,... -,. -,...,.'- . . . . . ., . : . • _ ... . .. , . .• . , -.,...... .......„• . _ • ...: : .. . : Retaining Walls Within Setbacks:. ... .. .‘. ,-.-.....E:. . . .,....:-...•.,. ,:. •,. .-.. ...i.:,?. :.. • ., , . . ... . .. '. . .• • .- • The City of Renton Development'Standardiregulate walls, limiting them to 72" in height• , . ,„. ., . • within . - • * rear yards on corner lots(4-47040D2d). I believe it was an oversight that they are .. .., • . . . .. -- z • not also specifically so regulated within interior lot rear yards. Regardless, please be. - - . ' •aware that if retaining walls.* in excess of 72" in rear y4Fi .you.inazy.berequired to;.,,.• ', -.. . „ ...... ..._ , , -•.„ - .-. - - • ' , - •.. . ' request a variation from setback Standards. :.•': -.. ... (-„,.:.,-,.-:• -. . :..,.: •.,•-•.- ... .• --.• , : ,i , , . . . - . . • . . . • • •. ' Hours of Operation: •- • : . .- . „ . • . • The Environmental Checklist submitted states that hours of construction-will begin"at . dawn or 6 am." Please note that the City of Renton regulates both haul and construction• • • • . • hours(4-47030C2). Hauling may commence at 8:30 am and end at 3:30 pm on Monday• through Friday and is not allowed on weeken s.- New single family construction 1 ; • . . activities are restricted to the hours of 7:00 am to 8:00 pm Monday through Friday and . . •- • 9.00 am to 8:00 pm on Saturday. No construction is permitted on Sunday Work outside ' -. . • •- . these hours would require approval in advance by the Development Services Division .. .. Easements - . • • - .. — • , •. . .. - . . . • - .- : • • . Language of proposed easements must_be approved by the City Attorney prior to . •:.:.,- -.'•. .. ., .. . . ,•••••'..:' "-'s-,::. 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'1:'.: r ...;.:' - :: -•-.' -..*1'2- *-' : '- ; •-•:-**" * - .--- ' - : * ' ' - - 1 .*, : -:1..;f.-*"''''.:•;,:::: :::'..-1:.,''rj':::-Renton School District#403 responded to our request for school assignments(see. • • : , ,. . : '..'•••:':::';'-'''...':'::.''-'''' ''.:::1' ..::: attached letter)''''''' ".: ••::':-. , • - .•'-' '::.-.• .„ •: ,- :‘,7•••., _:- ,. . ,- ., ,. - --. _ • .•• ., . . . • : „ .. ,:. . . . . . • - . •:: :, ,.- -.,. ' .'• Corrections to •Advisory Notes to.Applicant":, ,- .._ ..,_ .. ... _ .-: ..-. ..... • .. .• . ,• ,-. • ,,.: : , , ;,..:,, - . .- . . • . . -., . • . . _ • ' - Plan Review-Sanitary Sewer, # 8:' There will be a Sewer Development Charge credit . '-'' .• •• • given for two existing, occupied houses. ,. • - , ' . . , _.: - . , . .- • : • -: . . . , . • . . . . _ . . . . .. . . . .. . . -• • • .Plan Review.-Stormwater Drainage, # 11: There will be a Surface Water Development •„ . • - •- Charge credit given for two existing, occupied houses. _ , . , . , . . • • : . ..... . . . , . . • . . . _ -., • ,.. . .-.,., . • '' ' • •Plan Review Transportation and Street litiprovemerits„.#7: The,sidewalk dimensions -• :.• •- as shown on the plan are correct, ii-o-.4)iore:4i'on to the plan is required. •-. ' -. . . ., ...• , • - :. -:._. - * ,•.:'''' ''•, -,''' • ' -. : -••••:•..,=.,-,,:.,:-'-'- .-.,- •,:,, -- - . . • • . .. • •''. .. .--..-• '••., ..,-. Property Services Cominenig: ,; •,,,;',,•‘'= , '.. - , :,..; . A,:,:,.('; '\....-'''''...' -. • • •. . ' The following comments are provided by the legal review depaitnient. -Please call Sonja . .. , - .. ,.... :-• :..-...,-:.:. .- Fesier at 425-430-7312 ifyouhaveanyquetiong.•:,i::,.,, •-!,., -. ..-,-.. • ir,.., , . ; , ..., . . . .. .., _ ••'•. ..-- : . • :' • ..• ---. ,'- .--. -- ' .. . '.. - ;', ' ,:, .-i - ,,,;:::,:-:.„.j'-''': ''''''''.:472.'':',/„:":',,7 '-.. l'. • •-.'7...:.., :-i 1:. ' : • I • . •-: • • : .The legal description, noted on Sheet':3 of 4 Of the preliminary submittal, contains an - _ • : • error. See the attachnient. •;,, -:,...:,•,, ,,•:, (-•', -. "--: ;• . • ._ ., -• ,::, , , , ,, .,.,,- .--_-:.-....,:.:,,, ,-,..,.,,- --.;',\., .- ,•11,•':.... • .:::: . . .- • •• • _. • . . • Information needed for final plat approval includes thefolliting -- .• - - •• , . . • • •- . . . . .. -- - • : Note the City of Renton land use action number,(1.NA-99-187, PP,ECF) and the • . . •,: ' • , • . '''' -:.. . .::... ':: 1 •' city's land record number(LND-10-0349) on the draWing., The type size used for the • • . . :-, . .,. I . - land record number should be smaller than thatsii§-ed for the land use action number. Please note that the land use action number for the final plat will be different from the • . preliminary plat, and is unknown as of this date. • , . • . •- . . • •Tie to the City of Renton Survey Control Network. The geometry will be checked . .. • . when the ties are provided. S • • • - . • . . • . . • • . .. • •. ., . . • Provide plat and lot closure Calculations • , . - - ' .. . . • . • , •. . . , . • ' • : Complete City of Renton Monument Cards, with reference points for all new right-of- way monuments set as part of the plat. Include a statement of equipment and • • procedures used, per.WAC 3327130-10 - • s , :.•-';', -- :-.-:-. '..' •. Indicate What has been, or is to be, set at the corners ofthe'prOpOsed lots.-.. : :•-•- : ,.,,.:-....• .,,•,ir_ ,,.'....,,-, • '--..• :': 7...''1:;C"-:':-:,'..1-'!-''•'-;:',:'''''`:::..:....:•:::::',':::";'::.:•'-':'--:'"' '-'''':".•;-'-'1•....:'-!Y:; :.-::, :..;::::'::::.•`..:'''....':.;' :t*:,',. ''.-::'!•:,',.;:. '.....',',..:::•'.":-..-',.:-',.,[...,":::•••'.:r:' • ':'•,,.... .,:',''-;,' :':;f...;::'•' 1•:'.1,-:'';',.;::::.':.'',:.,,:$''...;,.:1'';';',;;;;-?:r'!',:. . ...r,-:::.:,,:..,:,',',;',..::'',“j',:,t'::'1/4-r,'(•:::,:::,:,.:,,:.:.:1'.,'..::Z.,-,;.:.:...,,..,,,..:...,..:4:,:;_::j,.:': ;....f.^,', .i....,..-....:..;-:,:,...,!:.,,,,..,::::,',....!:,1:::,::',.::.','.;‘. '..',?.•:;..'17,;...',' 7,;''''':'.',',,,t';:--..,'.1:: .:.7.,,.'t..".,..''''..:./...':.:; 1-',...::::::;"r.i..,7 ;7::.'.:',.'-',i':',....*:.:*..,:-`..:!.-2.::-'.;.,:';,..r.':.:',-;..:"-:". :.,<:-,..,-.!.'' .:.; . ". **,'.-•-.....'.*-7:::*,:'' .:-....:.::-:,-Vi.:;'.:....'-.5 ..`.7;:;S:'•'...--,•:.2..-... 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These items are provided only for preliminary plat apPithial. - „ • • Required City of Renton signatures (for approval of the'plat),include the • „ Administrator of PlanninWBnilding/Pub ia Works,the Mayor and the City Clerk. An approval block for the city's Finance Director is also required. The appropriate King County approvals need to be noted On the.dra:wing also.`•: :„ , • „ - • The owners of the subject property need tO sign the final plat document. Include notary blocks as needed. • • Include a dedication/certification block n the drawing. • Because the subject property falls withir Zone 2 of the City of Renton Aquifer ' Protection Area, the Aquifer Protection Notice needs to be noted on the drawing. See the attachment. • , • . , • An updated Plat Certificate will be required, dated within 45 days of Council action • , on approval of the plat. _. - , • . - . . .- . , - •• , • :••Note that if there are restrictive covenants or agree• ments to others As partof this - " •: • subdivision, can be recorded concurrently with the plat. The plat drawing and : :;"; • - *Irr' • r ,1 : , ' > • f • ,• t : • ; , :.•;•'-:,,-',:::::".,-..-.;:-..E ::..,7:; ::.g:::':','O.W -M.::;!'a;',An}iagi.W:.:'q.._:pg;-;.;.g,,,::::;i:,- -,;,-.y:,::,:sf•;-::, ..:,..,,:it..4.:.:-4. ,?,.3itgi,:i:-t1:: :,,yie..,,,i.,,z,i,,,i.,.. ...t,,:c., ..1,,,i5pf,;'.e, ,...-:::.:p3,::::- .:::.::f.fc....,:.,f,,i4:;;•:.;'..,;1'.:•„:,ff::-.-.:,..;....::::-;-::::.'"..,:::',7:,,,'',':,;•,:..,,. 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':' ':'.:*.: '" ' - ' -' - . ... . - • • , . . . ,,...., -,, .. .. ,. ,...„ , , . , , . . . . . , , . , t, ,. , , . . . . the-associated document(s) are to be giv-n to the Project Manager as a package. .The • - ....: . ,....,. , . , .... .„., . • . -. - , -.'.•• ' . .r.--: -plat shall have the first recording niniber.';The recording liuMber(s) for the associated • '--. : document(s)will be referenced on the plat in the appropnate locations. • - ". , ., • . • • " .. - ._ • ,. . • ,._ . . ...•. . •. .• , , , , :• ••' '.-A separate recorded document is not required for a road maintenance easement(for . • . .'. * :::" prOPOged I.ot .4 and 5). It canbe noted on the Plat,.drawing. ' - - ..,; - -- -.' • ,. . . . .. . . , . . „ '• - If new easements are shown for the benefit of future owners of the proposed lots,then • . - -I • ' include the following statement,jUxtaposed to the subject easements: "Area for .. • r . . . - ' private(water, sewer, utilities, access, etc.)easement." :Since the new lots created via - - ' this plat are under common ownership at the time of recording;there can be no . • . - - easement until siich time as ownership of one of the lots is conveyed to others, together with With and/or Subject to;specific easement iights. . „ - :.'• .. , • _ '.. : ..' . . " ' , • •Also, add the following Declaration of Covenant language on the face of the subject drawing, if the'previous paragraph applies: _ ' - _. , , - ''. ,,--:,.. ‘:',"-,. ' ,_ - • ' . . . - . - : , ,, . ,. • ., . . . ... . ,.. _DECLARATION OF..cOvEkOnii,,y;: -,;, •-s,','----:::::::, ..:', -':,-':‘,-'-' -•:•, • -:-.,,. ' . - --..-,., -- -„:, _...-.- :.•.• • .. • ... . • „.:.,.. :.. . ,. . . , . •. .. . „ . -The owner of the land embraced w!thinihisilgi, in return for the to accrue from this subdivision, by-signinghereOn 'CoyeriantS:and agrees to convey the beneficial interest . ,. in the new easement shown on'thisplat to 0411.ii and,all futUre purchasers of the lots, or of any subdivisions thereOf. This covenant shrill run with the land as shown on this plat. . . . Fee Review Comments ' . . . . . , . ‘. • ,.• „ . . •. :. . . : . . . . . - - --.- • . " The Fee Review Sheet for this review is attached for your use and!; •.. • :' :::: „-::-' ..' - , information. - • ,. , , ,.., - . . ' . •• . . . Sincerely ' ' , ' . , . . • . , • . . -. . • . - .1. • . . Elizabeth River Higgins, AICP, ASLA , , • ' , • - --: Senior Planner : - : . . . • . - . , . . . • _ •. .. . . . . • . . ' Enclosures . - . . . . . - . . , . . ., . „ ; , „• . . , , , . . Copy: Carl Stixrood .. • -. :. •;:- ' ..": :.; : • . . ,. . . 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'-'-f.,.',...',...;',' ..:':';•:,:-.,.',:.,“:':...-,I.,'.-,....._:. (,',-q:.,-2=" 1:.'...::l'•.:'.t. ''.,,--.,'l'-'-';7 -1.: W Sl w N.E. 24TH STREET z LEGAL DESCRIPTION PORTIONS OF TRACT 262 AND 273 OF C.H. HILLMAN'S LAKE WASHINGTON GARDEN OF DEN DIVISION NO. 4 ACCORDING TO PLAT RECO DED IN VOLUME 11 OF PLATS AT PAGE 82, IN KING COUNTY, WASHINGTON, DESCRIBED AS FOLLOWS: THE EAST 63 FEET OF THE NORTH 200 FEET OF TRACT 273. THAT PORTION OF TRACT 262 COMMENCING AT A POINT 60 FEET EAST OF THE NORTHWEST CORNER OF SAID TRACT 262; THENCE SOUTH 135 rEET PARALLEL WITH THE WEST BOUNDARY OF SAID TRACT; THENCE EAST 90 FEET PARALLEL WITH THE NORTH LINE OF SAID TRACT; THENCE NORTH 135 FEET PARALLEL WITH SAID WEST LINE; THENCE WEST 90 FEET TO THE POINT OF BEGINNING. TRACT 262 EXCEPT THE SOUTH 238.72 FEET THEREOF AND; EXCEPT THAT PORTION OF TRACT 262, DESCRIBED AS FOLLOWS; COMMENCING 60 FEET EAST N OF THE NORTHWEST CORNER THEREOF; THENCE SOUTH FOLLOWING THE WEST LINE OF SAID TRACT 67 135 FEET; THENCE'FOLLOWING THE NORTH LINE OF SAID TRACT 90 FEET; THENCE NORTH FOLLOWING THE WEST LINE OF SAID TRACT 135 FEET TO THE NORTH LINE THEREOF; THENCE WEST ALONG THE NORTH LINE 90 FEET TO THE POINT OF BEGINNING ANp LESS THE NORTH 100 FEET OF THE EASTERLY 102.31 FEET THEREOF; AND TRACT 273 EXCEPT THE NORTH 200 FEET THEREOF. BASIS OF BEARINGS BEARINGS HEREON ARE BASED ON CITY OF RENTON GPS SURVEY CONTROL NETWORK MONUMENTS. - n;L BASIS OF ELEVATION . C+` ELEVATIONS HEREON ARE BASED ON CITY OF RENTON GPS SURVEY CONTROL NETWORK MONUMENTS. BENCHMARK #334 TOP OF BRASS NAIL SET IN . - CONCRETE MONUMENT AT INTFRSFCTION OF .1ONFS 00 :::::: ::. ::::.:::::.:: :.:::.::.::.::.:::.::.::.::.:::. . . .:::.::.:::.:..:.....::.::.;...:.....:.........::....::...:: .::. : . : :. ; . . :.iii :::::.::.::.:.::. :::::.::.:::.::::.::.::;:.;:.;;;:>:;::;:.:::.;::.::.;;:.::.;;:.;;;:::::::::.:;:.::::::::::::::::::::::..::<.::::;;:::: :>CIIREi11.T>I?LIi1,.: .1. . .. . .... .. .. ......... :::::::...:::::::...:::::::::.:::: On the t day of DVU& -j , 2000, I deposited in the mails of the United States, a sealed envelope containing e ae.--tevvv\\Katto-rns documents. This information was sent to: Department of Ecology KC Dept.of Development&Environmental Services KC Wastewater Treatment Division City of Kent Washington Department of Fisheries City of Newcastle Department of Natural Resources Lincoln Property Company WA Department of Transportation • Seattle Public Utilities Duwamish Indian Tribe Muckleshoot Indian Tribe Puget Sound Energy US Army Corp.of Engineers (Signature of Sender) Spa STATE OF WASHINGTON ) ) SS COUNTY OF KING ) I certify that I know or have satisfactory evidence th signed this h instrument and acknowledged it to be his/her/their f ee and voluntary act for a uses and purposes mentioned in the instrument. Dated: - /�? ®.o MARILYN KAMCHEFF Notary Public' and for the State of W ington NOTARY PUBLIC Notary (Pri STATE OF WASHINGTON KR,MCI ICI'F My appoint tAitiftinniviENT CXrlflC3.6-29-03 COMMISSION EXPIRES JUNE 20,2003 Project Name: svlo\( w008 Prekv vv5 P1- Project Number: LUG q't i 81, PIS NOTARY1.DOC 4. ' CITY r `F:RENTON 1 .. .. Planning/Building/Public Works Department Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator February 10, 2000 Washington State Department of Ecology Environmental Review Section PO Box 47703 Olympia,WA 98504-7703 Subject: Environmental Determination Transmitted herewith is a copy of the Environmental Determination for the following project reviewed by the Environmental Review Committee (ERC)on February 8, 2000: DETERMINATION OF NON-SIGNIFICANCE-MITIGATED SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF The project proponent, Investment Properties LLC, as requested subdivision of a 4.35-acre property into 28 lots suitable for detached single-family homes. The site s in a Residential 8 (R-8)Zone. Two existing houses will be removed. A modification of street standards has be n requested to reduce a public right-of-way to 42' (from 50'). The project will be reviewed by t the City of Renton E vironmental Review Committee and the Hearing Examiner. Location: 1917 & 1929 NE 24 h Street. Appeals of the environmental determination must be filed in writing on or before 5:00 PM February 28, 2000. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Exarrtiner are governed by City of Renton Municipal Code Section 4-8-11 B. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425)- 430-6510. If you have questions, please call me at(425)430-7382. For the Environmental Review Committee, d1! _ Elizabeth Higgins, AICP Project Manager cc: King County Wastewater Treatment Division Larry Fisher, Department of Fisheries David F. Dietzman, Department of Natural Resources Don Hurter, Department of Transportation Eric Swenson, Seattle Public Utilities Duwamish Tribal Office Rod Malcom, Fisheries, Muckleshoot Indian Tribe (Ordinance) Joe Jainga, Puget Sound Energy agencyltrl 1055 South Grady Way-Renton,Washington 98055 ®This paper contains 50%iecycled material,20%post consumer t$ :+a CITYOF RENT.ON � ' Planning/Building/Public Works Department J e Tanner,Mayor Gregg Zimmerman P.E.,Administrator February 10, 2000 Mr. Carl Stixrood RCA/Huitt-Zollars 814 East Pike Street Seattle,WA 98122 SUBJECT: Shorewood Preliminary Plat Project No. LUA-99-187, PP, ECF Dear Mr. Stixrood: 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 February 8, 2000, issued a threshold Determination of Non- Significance-Mitigated with Mitigation Measures. See the enclosed Mitigation Measures document. Appeals of the environmental determination must be filed n writing on or before 5:00 PM February 28, 2000. Appeals must be filed in writing together with the required $75.00 pplication fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Exa iner are governed by City of Renton Municipal Code Section 4-8-11 B. Additional information regarding the appeal proce s may be obtained from the Renton City Clerk's Office, (425)- 430-6510. A Public Hearing will be held by the Renton Hearing Examiner at his regular meeting in the Council Chambers on the seventh floor of City Hall, 1055 South Grady Way, Renton,Washington, on February 29, 2000, at 9:00 AM to consider the proposed Preliminary Plat. The applicant or representatige(s) of the applicant is required to be present at the public hearing. A copy of the staff report will be mailed to you ond week before the hearing. If the Environmental Determination is appealed, the appeal will be heard as part of this public h aring. The preceding information will assist you in planning for i plementation of your project and enable you to exercise your appeal rights more fully, if you choose to do so. If you hav- any questions or desire clarification of the above, please call me at(425)430-7382. For the Environmental Review Committee, Elizabeth Higgins, AICP Project Manager cc: Mr. & Mrs. Howard LaPlant/Owners Ms. Mary Lande-Shane/Owner Mr. & Mrs. Michael Watson/Owners Mr. Blaine Miller/Investment Properties LLC Mr. Michael Lai; Mr. John Cowen Enclosure dnsmltr 1055 South Grady Way-Renton, Washington 98055 ®This paper contains 50%recycled material.20%post consumer - , DETERMINATION 0 NON-SIGNIFICANCE (MITI ATED) MITIGATIO MEASURES APPLICATION NO(S): LUA-99-187,PP,ECF APPLICANT: Blaine Mille , President/Investment Properties, Inc. PROJECT NAME: Shorewood Preliminary Plat DESCRIPTION OF PROPOSAL: The . proje 1 proponent, Investment Properties LLC, has requested subdivision of a 4.35-acre property into 2 lots suitable for detached single-family homes. The site is in a Residential 8 (R-8) Zone. Two existing houses will be removed. A modification of street standards has been requested to reduce a public right-of-way to 42' (from 50'). The project will be reviewed by the City of Renton Environmental Review Committee and the Hearing Examiner. LOCATION OF PROPOSAL: 1917 and 1"29 NE 24th Street MITIGATION MEASURES: 1. The applicant shall pay the applicable Transportation Mitigation Fee at the rate of$75.00 per each new average weekday trip attributable to the project, estimated to be 9.55 average weekday trips per new residence. The Transportation Mitigation Fee is due prior to the recording of the plat. 2. The applicant shall pay the appropriate Fire Miti ation Fee at a rate of$488.00 per each new single family residential lot created by the proposed plan. The fee is due prior to the recording of the plat. 3. The applicant shall pay the appropriate Parks Mi igation Fee at the rate of$530.76 per each new single family residential lot. The fee is due prior o the recording of the plat. 4. The applicant shall follow the recommendations if the geotechnical engineers, GeoEngineers, in their report, dated December 13, 1999. DETERMINATION OF NON-SIGNIFICANCE (MITIG TED) ADVISOR NOTES APPLICATION NO(S): LUA-99-187,PP, CF APPLICANT: Blaine Miller, Pre ident/Investment Properties, Inc. PROJECT NAME: Shorewood Preliminary Plat DESCRIPTION OF PROPOSAL: The project prcponent, Investment Properties LLC, has requested subdivision of a 4.35-acre property into 28 lots suitable for detached single-family homes. The site is in a Residential 8 (R-8) Zone. Two existing houses will be removed. A modification of street standards has been requested to reduce a public right-of-way to 42' (from 53'). The project will be reviewed by the City of Renton Environmental Review Committee and the Hearing Examiner. LOCATION OF PROPOSAL: 1917 and 1929 NE 24th 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: Plan Review—Sanitary Sewer 1. A sewer cleanout will need to be located five feet out from buildings. 2. Separate side sewers will be required for each parcel (no dual sewers). Side sewer lines must have a 2 percent slope. 3. All utility plans must comply with the City of Renton Drafting Standards. 4. Show finished floor elevations on the sewer constru tion plan sheet. 5. The vertical profile of the sewer main will be require . 6. The project is located in Aquifer Protection Area Zo e 2. 7. Any new sewer mains are to be separated from wat-r lines by a minimum of 10 feet. There is a 7.5 foot minimum separation from other utilities. 8. Sewer Development Charges of$585.00 per single amily residence will be required for this plat. The fee for this project would be$16,380.00. There is no credi' given for existing houses. This fee must be paid prior to issuance of the construction permit for the prelimina plat. 9. An additional charge will be assessed for the East -enton Interceptor Special Assessment District No. 9204 (City of Renton Ordinance no.4362, September 2, 992). The amount will be determined later. Plan Review—Water 1. There is an existing 12"asbestos cement water line in NE 24th St. 2. The proposed plat is located in the 435 water pressure zone. 3. The water main into the plat must be large enough tb accommodate the required fire flow assigned by the Fire Prevention office. 4. At the proposed connection to the existing 12-inch water line in NE 24th Street add a valve on the west and south leg of the connection. 5. Fire hydrants will be required to current City standards within 300 feet of all proposed building sites for the new parcels. . Shorewood Preliminary Plat LUA-99-187,PP,ECF Advisory Notes (continued) 6. Water System Development charges of$850.00 pe'new single family residence will be required for this plat (credit given for existing houses). The charge fort is plan would be $22,100.00. This fee must be paid prior to issuance of the construction permit for the prelim nary plat. Plan Review—Stormwater Drainage 1. Explain more clearly, in the text,where to find the b ckup calculations for the water quality sizing by referencing the appropriate section or page. 2. The applicant proposes to route the post-developed runoff from the east and west basins off the site without detention. Even though the runoff from these areas is small, the drainage report must still account for them, and the calculations must clearly show that post-developed runoff does not exceed pre-developed runoff for the 2-, 10-, and 100-year events. 3. The detention/water quality facility will be in the public right-of-way, but must be maintained by the Homeowners'Association. The homeowners shall be required to maintain the storm facility even though it is in the public right-of-way. 4. Stormwater filtration systems, as proposed by the applicant, have not been adopted by the City of Renton. The use of this system would require the approval of a Code Modification Alteration Request. As an alternative, a wetvault facility combined with the proposed detention vaults would be the recommended approach to meet code requirements. 5. Excluding lateral pipes, the main storm drain must be a 12-inch minimum pipe (Sec.4.3.4-3, 1990 King County Surface Water Design Manual). 6. Show the existing flow paths for each of the basins on the drainage map. 7. Developer to ensure that the level spreader is in an easement or dedicated public right-of-way. 8. Drawings submitted to the City of Renton are to be on 22 inch x 34 inch sheets. 9. Before any construction or development activity occurs, a pre-construction meeting must be held with the City of Renton Development Services Division, Construction Services (425-277-5570). 10. The City of Renton retains the right to restrict the timing of land clearing and tree cutting activities to specific dates and/or seasons when such restrictions may le necessary for the public health, safety, and welfare, or for the protection of the environment. 11. Surface Water System Development charges of$3 5 per new single family residence will be required for this plat. No credit is given for existing houses. The fee for this project would be $10,780.00. This fee must be paid prior to issuance of the construction permit for the preliminary plat. Plan Review—Transportation and Street Improvemen s 1. All electrical and communication facilities to be underground behind the sidewalk. If right-of-way space is not available then in a utility easement. 2. Streets over 700 feet in length are required to have two means of access. 3. Fire sprinklers are required for all houses beyond 5 0 feet on dead-end streets. 4. Street lighting is required to meet City standards. Niilinimum lighting level is 6:1 uniformity ratio and 0.2 foot candle level. The street lighting conduit to be located under the sidewalk. 5. The minimum right-of-way width is 42 feet(modifieCI from street standard width of 50 feet). 6. The cul-de-sac is required to have a minimum pavement radius of 45 feet and right-of-way radius of 55 feet. 7. A 5 foot sidewalk at the curb is required inside the plat and a 6 foot sidewalk on NE 24th St with a 5 foot planter strip between the curb and sidewalk is required. The plan indicates 5 foot sidewalks on NE 24th St and 6 foot sidewalks inside the plat. This needs to be corrected. Shorewood Preliminary Plat LUA-99-187,PP,ECF Advisory Notes(continued) 8. Payment of a Transportation Mitigation fee of$75 per new average weekday trip, estimated at 9.55 new trips per single family lot, will be required prior to recording of the plat. It has been estimated that this 28 lot plat (credit would be given for the two existing houses)would result in approximately 248.3 additional average (weekday)trips. The Transportation Mitigation Fee would be$18,622.50. Plan Review—General 1. All required utility, drainage, and street improvements will require separate plan submittals prepared according to City of Renton drafting standards by a registered Civil Engineer. 2. The construction permit application(s)must include an itemized cost estimate for these improvements. 3. The fee for review and inspection of these improvements is 5 percent of the first$100,000 of the estimated construction costs; 4 percent of anything over$100,000, but less than $200,000, and 3 percent of anything over$200,000. Half of this fee must be paid upon application for construction permits (preliminary plat improvements), and the remainder when the construction permit is issued. There may be additional fees for water service related expenses. Parks Department Review 1. Payment of a Parks Mitigation fee of$530.76 for e ch new single family lot will be required prior to recording of the plat. Credit would be given for the two existing houses. Building Department Review 1. Demolition permits will be required. Fire Prevention Department Review 1. A fire hydrant with 1000 GPM fire flow is required within 300 feet of all new single family structures. If the building square footage exceeds 3600 square feet in area,the minimum fire flow increases to 1500 GPM and requires two hydrants within 300 feet of the structure. 2. Access roadway exceeds 500 feet dead end. All dwellings beyond 500 feet, lots 10 through 20, require the installation of an approved fire sprinkler system. These lots will require a minimum 1-inch domestic water meter in order to serve the fire sprinkler system. 3. A Fire Mitigation fee of$488 is required for all new single family lots. Payment is required prior to recording of the plat. 4. The applicant shall draft and record a maintenance agreement or establish a Homeowners'Association for the maintenance of all common improvements (ac9ess and utility easements, rights-of-way, and stormwater facilities). A draft of the document shall be submitt d to the City of Renton for review and approval by the City Attorney prior to the recording of the plat. Property Services Department Review 1. Comments will be provided under separate cover. Development Services Department Review 1. The site is designated Residential Single Family in the Comprehensive Plan. 2. The property is zoned Residential 8 (R-8). 3. Densities allowed in the R-8 Zone are 5.0 dwelling units per net acre (du/a) minimum and 8.0 du/a maximum. 4. Minimum lot size in the R-8 Zone is 4500 sf, with minimum width of 50 for interior lots and 60 for corner lots. The minimum permitted lot depth is 65 feet. Lot dirnensions must be shown on the final site plan demonstrating that all lots meet these minimums. 5. Heights of buildings in the R-8 Zone are limited to stories, or 30 feet. Shorewood Preliminary Plat LUA-99-187,PP,ECF Advisory Notes (continued) • 6. Required setbacks in the R-8 Zone are 20 feet for f ont yards facing NE 24th St(a street existing prior to September 1, 1995)and 15feet for houses and 20 feet for attached garages which access from the front if fronting on the new public street to be constructed; 0 foot rear yard setbacks; 5 foot side yard setbacks for interior lots and 15 feet sideyard setbacks for corne lots. All setbacks are minimums. Lots 25 and 28,which are corner lots, do not appear to have adequate side yard setbacks and must be adjusted accordingly. Setback dimensions should be shown on the construction drawings, but setback lines must be removed prior to recording the final plat. 7. The maximum building coverage in the R-8 Zone is 35 percent for lots under 5,000 sf or 50 percent for lots 5,000 sf or less. 8. Dead end streets cannot exceed 700 feet in length, measured from the edge of the connecting street to the end of the cul-de-sac. 9. Streets cannot be sloped greater than 15 percent. riveways sloped more than 15 percent require approval from the Board of Public Works. 10. The recommendations of the geotechnical report(GeoEngineers, dated December 13, 1999)shall be implemented regarding removal of fill material from the property, replacement structural fill, compaction, and foundations/footings. 11. Retaining walls in excess of four(4)feet require en ineered drawings and a separate building permit. 12. Construction easements obtained from abutting property owners may be necessary prior to construction of retaining walls on or near property lines. These agreements must include protection measures for(or permission to potentially damage or remove)trees located on abutting properties within 20 feet of the property line. 13. The applicant shall draft and record a maintenance agreement or establish a Homeowners'Association for the maintenance of all common improvements (acc ss and utility easements, rights-of-way, and stormwater facilities). A draft of the document shall be submitt d to the City of Renton for review and approval by the City Attorney prior to the recording of the preliminary plat. 14. Performance Standards for Land Development Permits (RMC 4-4-130K), including"Protection Measures During Construction" (RMC 4-4-130K7)relating to tees, shall be followed by the applicant. The applicant shall adhere to the definition of"tree"a found in WC 4-11-200, "drip line"as found in RMC 4-11-040, and the measurement of trees as found in RMC 4-11-030. .t _ T J,'- - .Y. r_,�YY - ^rt". _ 7�1 i� ..Y;a ! " .6 1 't - .1~ Jam..�ti+'% r_i �`i� - "•S=. - :.3�:. t<•rsa...� .t> - Y_.SJ��._;`' t..L . `'L':_,`s:r v'- - I, :PE RVI :,FOft SUBD o'PRO RT) � CES FEE�`�R�VIEW �SIONS �No.�'2000 oG::��`, '', -`5.is cY. t �•r F r.�' - j..,.rrn _ 't- a^. _ .Y- =f.i_ .i APP LICANT:PLICA, - ''�1' ram` '� .,14 }t`l µlb., �(-••4dl ) Ii:N , t•=f {:_I '•ki ",6'^�:11�'� ` CEIVED FROM. _ • ., +•` :L -`!:: ;f.- (date) JOB ADDRESS: Iq 17 $ 1 q2q 1...1'-,84 -1. Est' WO/{ s i'Tf3�o�5 . . - - . NATURE OF WORK: P 1n 1O1_1�.. •'p1A'-1' (SNoi^tl=ys/ v 1- ) LND# `10'-: ` • - -- -::- - APRELIMINARY REVIEW OF SUBDIVISION BY LONG G PLAT, NEED MORE INFORMATION: 0 LEGAL DESCRIPTION'.: _ '• SHORT PLAT,BINDING SITE PLAN,ETC:'.-- L<<,.';,'` ;;;;❑i••PID#'s°;;.:: '.;,.I-:-.II-.I'•:_';':• _ :-::_'.❑ VICINITY MAP.- .;: ❑ -FINAL REVIEW OFSUBDIVISION,'THIS REVIEW REPLACES_:::,,K,❑�',:SQUAREFOOTAGE ;,._,=;:: ,❑ .OTHER ` - ' PRELIMINARY FEE REVIEW DATED • _ '-.:_:':.'7r':.-�:" : • ❑-.;•FRONT FOOTAGE •- -. - '232 .-• '•• • , ❑ SUBJECT PROPERTY PARENT PID#33• 3q0-27C".9 , '0 • NEW KING CO.TAX ACCT.#(s)are required when • . -z3z0 • • - assigned by King County. : - - It is the intent of this development fee analysis to put the developer/owner on riotice.that the fees quoted below may be applicable to the subject site upon • - - development of the property. All quoted fees are potential charges that may be due and payable at the time the constriction permit is issued to install the on-site and - • off-site improvements(i.e.underground utilities,street improvements,etc.) Triggering mechanisms for the SDC fees will be based on current City ordinances and determined by the applicable Utility Section. . - • • • r ' ' - . . ' Please note that these fees are subject to change without notice. Final fees will be based on rates in effect at time of Building Permit/Construction Permit - application. , _- -• - • - .-. ❑ The existing house on SP Lot# ,addressed as I has not previously paid SDC fees, due to connection to City utilities prior to existance of SDC fee Ord. SP Lot# will be subject to future SDC fees if triggering mechanisms are touched within current City Ordinances. • XWe understand that this subdivision is in the preliminary stage and that we will have the opportunity to review it again before recordation. The following quoted fees do NOT include inspection fees, side sewer permits,r/w permit fees or the cost of water meters. SPECIAL ASSESSMENT DISTRICT PAE.CEL METHOD OF ASSESSMENT ASSESSMENT -DISTRICTS • - NO. NO. ASSESSMENT UNITS. OR FEE - Latecomer Agreement(pvt)WATER . -. Latecomer Agreement(pvt)WASTEWATER . Latecomer Agreement(pvt)OTHER • . . Special Assessment District/WATER . • • Eis. ' •ra ..t-ol-1 ILI c-r ic,FI 92o4 4485.00+I t,.11 c i ,X ZS -r" rnl i yob. Special Assessment District/WASTEWATER - � Joint Use Agreement(METRO) Local Improvement District * Traffic Benefit Zones $75.00 PER TRIP, CALCULATED BY TRANSPORTATION FUTURE OBLIGATIONS I • SYSTEM DEVELOPMENT CHARGE-WATER 0 Estimated #OF UNITS/ SDC FEE • ❑Pd Prey, 0 Partially Pd(Ltd Exemption) 0 Never Pd SQ.FTG. Single family residential$850/unit x I ,3c, $ 22,I oo.o0 Mobile home dwelling unit$680/unit in park Apartment, Condo$510/unit not in CD or COR zones x -•:-- -- ' Commercial/Industrial, $0.113/sq.ft.of property(not less than$850.00)x Boeing,by Special Agreement/Footprint of Bldg plus 15 ft perimeter(2,800 GPM threshold) SYSTEM DEVELOPMENT CHARGE-WASTEWATER 0 Estimated ❑Pd Prey. 0 Partially Pd(Ltd Exemption) E(Never Pd Single family residential$585/unit x 2 g 1 ,3.50.oG Mobile home dwelling unit$468/unit x , Apartment, Condo$350/unit not in CD or COR zones x Commercial/Industrial$0.078/sq.ft.of property x(not less than$585.00) ' SYSTEM DEVELOPMENT CHARGE-SURFACEWATER 0 Estimated • " ❑Pd Prey. 0 Partially Pd(Ltd Exemption) 0 Never Pd 1 • Single family residential and mobile home dwelling unit$385/unit x I 88 $ 10,780.00 All other properties$0.129sq ft of new impervious area of property x (not less than$385.00) p - : a I PRELIMINARY TOTAL $ { • . I tridaJ _ ,.....41......40 - . , 12.7�00 • 1 N Signa}�eJof Rr wing Authority.--'.. : - - - -. /DATE _ • : ppii o . ❑ *If subject property is within an LID,it is developers responsibility to check with the Finance Dept.for paid/un-paid status. i.. - ' "'•.❑ '-'Square footage figures are.taken from the King Count)'Assessor's ap"andaresubject_to'change. '' ,--.'.-!•, tg g - -Y= a .. C fees �'a� �I'•t .. -'❑ `Cuccent city-SDCchar es - - - - Wa�i-'v' •cam' ,3= . - ter ;. C - '` :., 5 - ':c:/tem late/fees' 1/t FFECTIVE J Ocd:-No§:'4506'�4507''4508��4525''and 4526;�.. r��' ' 02/16/00 08:29 FAX 12063281880 RCA/HUI ' -ZOLLARS Ll001/004 HUITT- AOLLARS 814 EAST PIKE STREET • SEATTLE,WA 98122 VOICE: 206/324-5500 • FAX: 206/328-1880 FAX ' A .SMITTAL To: • Elizabeth Higgins COMPANY: • City of Renton PHONE: • 425-430-7382 , FAX: • 425-430-7300 FROM: • Carl Stixrood of RE: Shorewood Subdivision DATE: • February 16,2000 JOB#: • CC Blaine Miller 253-631-6438 NUMBER OF PAGES INCLUDING THIS ONE: • q MESSAGE: Dear Elizabeth This memo is in response to your February 10 letter egarding the Shorewood Preliminary Plat, describing advisory notes from the Environmental R:view Committee. With a couple of minor exceptions,the comments appear to be items that cal n be accommodated during the final design process. There are two items in the advisory notes ve would like to clarify: Comment 7 from Transportation and Street Improve ents appears to be inconsistent with the City's Development Regulations.The comment indicates t at a five foot wide walk is required inside the cul- de-sac and a six foot walk is required along NE 24th s reet, The Development Guide on page 6-17 Table b. shows a 6'wide sidewalk required for Residential ccess streets.We assumed this applied to the cul- de-sac. Collector streets are shown in Table c. as re uiring a 5' sidewalk. We assumed this applied to NE 24th street. (See attached) Comment 8 from Development Services Departmen 'indicates that the cul-de-sac length should be measured from the edge of the connecting street to he end of the cul-de-sac.The exact approach to measuring this length has a substantial effect on the proposed lot layout.We would like to clarify the measurement approach. Because of the configuration of this property, it is undesirable to shorten the cul-de-sac. Excessively long,narrow lots will be cre ted at the south end of the proposed plat. In our opinion,the definition proposed in Comment 8 is stll subject to interpretation. Under some interpretations it would be necessary to shorten the cul-de-sac'to comply. The maximum cul-de-sac length allowed in the development guide is 700 feet. We did not find measurement standards for cul-de-sacs in the Renton Development Guide or Standard Plans so we IF YOU DO NOT RECEIVE ALL MATERIAL B G TRANSMITTED,PLEASE CALL 206/324-5500 MI502750Ikwae 6.246004n 02/16/00 08:30 FAX 12063281880 RCA/HUITT-ZOLLARS 1QJ002/004 asked about measurement approach in the preliminary review meeting. The direction we discussed at that time was that the 700 foot maximum length would be measured from the edge of the NE 24th St Right of Way to the center of the cul-de-sac.Accordingly,we designed the cul-de-sac to be 670 feet from the edge of right of way to center of cul-de-sac. We request that"edge of the connecting street" in C mment 8 be interpreted as edge of the 24th street right of way. This request is consistent with Development Regulation section 4-6-060F, 3 (attached) which states that improvements shall extend the full istance of such property to be improved upon. In the absence of a published City standard for measur ment of cul-de-sacs it seems reasonable to interpret the length requirement as starting at the prcperty line. P We also request that"end of cul-de-sac" be interpreted as to the"center of the cul-de-sac".This seems to be a reasonable interpretation of the development regulations since a cul-de-sac is described as a separate turn around element in development Regulation section 4-6-060G (attached). King County uses the center of the cul-de-sac as its reference point for one end of the length and the centerline of the adjacent street as the other end. We checked our deign with this measurement approach and determined a length of 700 feet for the proposed cul de-sac. We appreciate the City's consideration of these two clarification items and look forward to working with Renton during final design of our preliminary plat su s mittal. Thanks Carl • • E Men.....ee 02/16/00 08:30 FAX 12063281880 RCA/HUITT-ZOLLARS LJ 003/uu4 4-6-060F I b. MINIMUM DESIGN STANDARDS i- 3. Length of Improvements: Such im- FOR RESIDENTIAL ACCESS provements shall extend the full distance of STREETS: such property to be improved upon and sought to be occupied as a building site or RIGHT- ' parking area for the aforesaid building of plat- OF-WAY PAVE- SIDE- ting,purposes and which may adjoin property WIDTH MENT WALKS OTHER dedicated as a public street. 50' 32'paved 6'sidewalk Combined 4. Special Design Standards for Arterial Parking adjacent to public Streets: Arterial street rights-of-way shall be both sides curb both detention sixty feet(60') to one hundred fifty feet(150') sides Street in width as may be required by the Adminis- lighting trator or his/her designee. The design stan- - dards for arterial streets will be established c. MINIMUM DESIGN STANDARDS on a case-by-case basis by the Administrator FOR COLLECTOR STREETS: or his/her designee in accordance with the major arterials and streets plan. RIGHT- 6. Grades: Grades on arterial streets shall OF-WAY PAVE- SIDE- not exceed ten percent(10%), and the grade WIDTH MENT WALKS OTHER on any public street shall not exceed fifteen 60' 36'paved 5' Combined percent(15%), except for within approved sidewalks public hillside subdivisions. Parking and 5' detention both sides planting 6. Pavement Thickness: New pavement strip on Street shall be a minimum of four inches(4") of as- lightingboth sides phalt over six inches(6") of crushed rock. Pavement thickness for new arterial or collec- d. MINIMUM DESIGN STANDARDS tar streets or widening of arterials or collector FOR COMMERCIAL ACCESS streets must be approved by the Department. STREETS: Pavement thickness design shall be based on standard engineering procedures. For the RIGHT- purposes of asphalt pavement design, the OF-WAY PAVE- SIDE- procedures described by the"Asphalt Insti- .WIDTH MENT WALKS OTHER tute's Thickness Design Manual"(latest edi- tion)will be accepted by the Department. 60' 40' paved 5' Combined sidewalks public a. Alternate Provisions for Material on the detention Construction and Design:Alternate de- property sign procedures or materials may be line Street used if approved by the Department lighting - - through the process listed in RMC e. MINIMUM DESIGN STANDARDS 4-9-250E. FOR INDUSTRIAL ACCESS STREETS: 7. Sidewalk Width Minimum and Mea- surement: New sidewalks must provide a RIGHT- PAVE- minimum of four feet(4') of horizontal clear- OF-WAY MENT SIDE- ance from all vertical obstructions. Sidewalk WIDTH WIDTH WALKS OTHER widths listed in the tables include curb width 66' 44'paved 5' Combined for those sidewalks constructed adjacent to sidewalks public the curb. and 5' detention planting 8. Curves: strip on Street both sides lighting a. Horizontal Curves:Where a deflec- tion angle of more than ten degrees(10°) 6- 17 02/16/00 08:31 FAX 12063281880 RCA/HUITT-ZOLLARS 10 UU4/UU4 4-6-060G • in the alignment of a street occurs, a dead end streets, when approved by the De- curve of reasonably long radius shall be partment, are as follows: introduced, subject to review and ap- • proval of the Administrator. # LENGTH OF STREET TYPE OF TURNAROUND b. Vertical Curves:All changes in grade shall be connected by vertical For up to 150'in No turnaround required. curves of a minimum length of two hun- length dred feet (200') unless specified other- From 150'to 300'in Dedicated hammerhead - wise by the Administrator. length turnaround or cul-de-sac required. c. Tangents for Reverse Curves:A From 300'to 500'in Cul-de-sac required. tangent of at least two hundred feet length (200') in length shall be provided be- From 500'to 700'in Cul-de-sac required. • tween reverse curves for arterials; one length hundred fifty feet(150')for collectors and Fire sprinkler system one hundred feet(100')for residential ac- required for houses. cess streets. Longer than 700'in Two means of access and length fire sprinklers required for 9. Downtown Core Area—Special Stan- all houses beyond 500'. dards: Greater sidewalk widths may be re- quired in the Downtown Core Area as part of 3. Turnaround Design: The hammerhead • site plan review for specific projects.The Ad- turnaround shall have a design approved by ministrator may require that sidewalks be ex- the Administrator and the Bureau of Fire Pre- tended from property line to the curb with vention. provisions made for street trees and other landscaping requirements, street lighting, 4. Cul-de-Sac Design: Cul-de-sacs shall and fire hydrants. have a minimum paved radius of forty five G. DEAD END STREETS: feet(45')with a right-of-way radius of fifty five feet(55') for the turnaround. The cul-de-sac turnaround shall have a design approved by 1. When Permitted: Dead end streets are the Administrator and the Bureau of Fire Pre- permitted where through streets are deter- vention. mined by the Department not to be feasible. For other circumstances, dead end streets 5. Secondary Access: Secondary access may be approved by the Department or Hear- for emergency equipment is required when a ing Examiner as part of the plat approval of development of three (3)or more buildings is site plan approval for a proposed develop- located more than two hundred feet(200') meat. from a public street. 2. Cul-de-Sacs and Turnarounds—Mini- 6. Waiver of Turnaround:The requirement mum Requirements:Minimum standards for for a turnaround or cul-de-sac may be waived by the Administrator with approval of the Bu- reau of Fire Prevention when the develop- ment proposal will not create an increased need for emergency operations pursuant to RMC 4-9-250C,Waiver Procedures, H. ALLEY STANDARDS: 1. Access Purpose: Alleys may be used for vehicular access to the adjacent lots, but are not to be considered as primary access for emergency or Fire Department concerns. 6- 18 02/15/00 16:45 FAX 12063281880 RCA/HUI -ZOLLARS 0001/004 , s HUITT-ZOLLARS 814 EAST PIKE STREET i SEATTLE,WA 98122 VOICE: 206/324-5500 • FAX: 206/328-1880 FAX T sMITTAL TO: • Elizabeth Higgins COMPANY: • City of Renton PHONE: • 425-430-7382 FAX: • 425-430-7300 FROM: • Carl Stixrood RE: • Shorewood Subdivision DATE: • February 15,2000 JOB#: • CC • Blaine Miller 253-631-6438 NUMBER OF PAGES INCLUDING THIS ONE: • MESSAGE: Dear Elizabeth I am faxing two section views illustrating the Iocatio of the requested variance from sidewalk requirements near the entry. Option one shows the oositive landscape opportunities made possible by the variance. If the variance were granted,the projegt entry would be enhanced with landscaping along the east property line and the adjacent property ow Iler would experience improved wall appearance. The second section shows a sidewalk constructed a d the reduced landscape opportunities that result. We feel the public interest will be best served by all wing the variance. The appearance of the area would be improved. Pedestrian circulation will not b-I substantially affected,the section of sidewalk proposed for deletion is not critical to area wide or through circulation,and an alternate walk will be constructed on the west side of the entry road. Safety concerns are minor since the road is a dead end with low traffic volume. The third section shows wall/home configuration along the south-west property line.The earth fill is obtained from cut on the east side of the proposed road. I hope the attached drawings will meet your needs. please let me know of any desirable additions or modifications and we will send originals by federal express. Thanks Carl IF YOU DO NOT RECEIVE ALL MATERIAL B I G TRANSMITTED,PLEASE CALL 206/324-5500 05P1791WWa a Mare 2.15m,dot CITY OF RENTON DETERMINATION OF NON-SIGNIFICANCE (MITIGATED) APPLICATION NO(S): LUA-99-187,PP,ECF APPLICANT: Blaine Miller, President/Investment Properties, Inc. PROJECT NAME: Shorewood Preliminary Plat DESCRIPTION OF PROPOSAL: The project proponent, Investment Properties LLC, has requested subdivision of a 4.35-acre property into 28 lots suitable for detached single-family homes. The site is in a Residential 8 (R-8)Zone. Two existing houses will be removed. A modification of street standards has been requested to reduce a public right-of-way to 42' (from 50'). The project will be reviewed by the City of Renton Environmental Review. Committee and the Hearing Examiner. LOCATION OF PROPOSAL: 1917 and 1929 NE 24th 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 're necessary to mitigate environmental impacts identified during the environmental review process. Appeals of the environmental determination must be filed in riting on or before 5:00 PM February 28, 2000. Appeals must be filed in writing together with the required $75.00 ap.lication fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98055. Appeals to the Exami er are governed by City of Renton Municipal Code Section 4-8-11B. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425)- 430-6510. PUBLICATION DATE: February 14, 2000 DATE OF DECISION: February 8, 2000 SIGNATURES: r .1 tiara 8/c6 Gregg 'i erman,Administr .dr - DA E De.. ent of Planning/Builds g/Public Works 4 icmisk Amb st hepherd, A.� ins ator DAT Community Services 4 Lee Wheeler, Fire hief / 774-t D E Renton Fire Department signature DETERMINATION 0 NON-SIGNIFICANCE (MITI ATED) MITIGATION MEASURES APPLICATION NO(S): LUA-99-18 ,PP,ECF APPLICANT: Blaine Mille , President/Investment Properties, Inc. PROJECT NAME: Shorewood reliminary Plat DESCRIPTION OF PROPOSAL: The proje t proponent, Investment Properties LLC, has requested subdivision of a 4.35-acre property into 2 lots suitable for detached single-family homes. The site is in a Residential 8 (R-8) Zone. Two existin houses will be removed. A modification of street standards has. been requested to reduce a public right-of-way to 42' (from 50'). The project will be reviewed by the City of Renton Environmental Revie Committee and the Hearing Examiner. LOCATION OF PROPOSAL: 1917 and 1.29 NE 24th Street MITIGATION MEASURES: 1. The applicant shall pay the applicable Transport-tion Mitigation Fee at the rate of$75.00 per each new average weekday trip attributable to the proj-ct, estimated to be 9.55 average weekday trips per new residence. The Transportation Mitigation Fe- is due prior to the recording of the plat. 2. The applicant shall pay the appropriate Fire Mitigation Fee at a rate of$488.00 per each new single family residential lot created by the proposed pla . The fee is due prior to the recording of the plat. 3. The applicant shall pay the appropriate Parks Mi igation Fee at the rate of$530.76 per each new single family residential lot. The fee is due prior to the recording of the plat. 4. The applicant shall follow the recommendations of the geotechnical engineers, GeoEngineers, in their report, dated December 13, 1999. DETERMINATION OF NON-SIGNIFICANCE (MITI ATED) ADVISORY NOTES APPLICATION NO(S): LUA-99-187,PP,ECF APPLICANT: Blaine Miller, President/Investment Properties, Inc. PROJECT NAME: Shorewood Preliminary Plat DESCRIPTION OF PROPOSAL: The project proponent, Investment Properties LLC, has requested subdivision of a 4.35-acre property into 28 lots suitab e for detached single-family homes. The site is in a Residential 8 (R-8) Zone. Two existing houses will be removed. A modification of street standards has been requested to reduce a public right-of-way to 42' (from 50'). The project will be reviewed by the City of Renton Environmental Review Committee and the Hearing Examiner. LOCATION OF PROPOSAL: 1917 and 1929 1\iE 24th 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. Plan Review—Sanitary Sewer 1. A sewer cleanout will need to be located five feet out from buildings. 2. Separate side sewers will,be required for each parcel (no dual sewers). Side sewer lines must have a 2 percent slope. 3. All utility plans must comply with the City of Renton Drafting Standards. 4. Show finished floor elevations on the sewer construction plan sheet. 5. The vertical profile of the sewer main will be required. 6. The project is located in Aquifer Protection Area Zo e 2. 7. Any new sewer mains are to be separated from wa er lines by a minimum of 10 feet. There is a 7.5 foot minimum separation from other utilities. 8. Sewer Development Charges of$585.00 per single family residence will be required for this plat. The fee for this project would be $16,380.00. There is no credi given for existing houses. This fee must be paid prior to issuance of the construction permit for the prelimineIry plat. 9. An additional charge will be assessed for the East Renton Interceptor Special Assessment District No. 9204 . (City of Renton Ordinance no.4362, September 2, 1992). The amount will be determined later. Plan Review—Water 1. There is an existing 12" asbestos cement water line)in NE 24th St. 2. The proposed plat is located in the 435 water pressure zone. 3. The water main into the plat must be large enough to accommodate the required fire flow assigned by the Fire Prevention office. 4. At the proposed connection to the existing 12-inch water line in NE 24th Street add a valve on the west and south leg of the connection. 5. Fire hydrants will be required to current City standards within 300 feet of all proposed building sites for the new parcels. - • Shorewood Preliminary Plat LUA-99-187,PP,ECF Advisory Notes (continued) - 6. Water System Development charges of$850.00 per new single family residence will be required for this plat (credit given for existing houses). The charge forth s plan would be $22,100.00. This fee must be paid prior to issuance of the construction permit for the prelim nary plat. Plan Review—Stormwater Drainage 1. Explain more clearly, in the text,where to find the b ckup calculations for the water quality sizing by referencing the appropriate section or page. 2. The applicant proposes to route the post-develope runoff from the east and west basins off the site without detention. Even though the runoff from these area is small,the drainage report must still account for them, and the calculations must clearly show that post-de eloped runoff does not exceed pre-developed runoff for the 2-, 10-, and 100-year events. 3. The detention/water quality facility will be in the public right-of-way, but must be maintained by the Homeowners'Association. The homeowners shall e required to maintain the storm facility even though it is in the public right-of-way. 4. Stormwater filtration systems, as proposed by the applicant, have not been adopted by the City of Renton. The use of this system would require the approval of a Code Modification Alteration Request. As an alternative, a wetvault facility combined with the proposed detention vaults would be the recommended approach to meet code requirements. 5. Excluding lateral pipes, the main storm drain must e a 12-inch minimum pipe (Sec.4.3.4-3, 1990 King County Surface Water Design Manual). 6. Show the existing flow paths for each of the basins on the drainage map. 7. Developer to ensure that the level spreader is in an easement or dedicated public right-of-way. 8. Drawings submitted to the City of Renton are to be on 22 inch x 34 inch sheets. • 9. Before any construction or development activity oc urs, a pre-construction meeting must be held with the City of Renton Development Services Division, Constru tion Services (425-277-5570). 10. The City of Renton retains the right to restrict the ti ing of land clearing and tree cutting activities to specific dates and/or seasons when such restrictions may e necessary for the public health, safety, and welfare, or for the protection of the environment. 11. Surface Water System Development charges of$3 5 per new single family residence will be required for this plat. No credit is given for existing houses. The fe for this project would be $10,780.00. This fee must be paid prior to issuance of the construction permit for the preliminary plat. Plan Review—Transportation and Street Improvements 1. All electrical and communication facilities to be underground behind the sidewalk. If right-of-way space is not available then in a utility easement. 2. Streets over 700 feet in length are required to hav two means of access. 3. Fire sprinklers are required for all houses beyond 00 feet on dead-end streets. 4. Street lighting is required to meet City standards. Minimum lighting level is 6:1 uniformity ratio and 0.2 foot candle level. The street lighting conduit to be loco led under the sidewalk. 5. The minimum right-of-way width is 42 feet(modifie from street standard width of 50 feet). 6. The cul-de-sac is required to have a minimum pav ment radius of 45 feet and right-of-way radius of 55 feet. 7. A 5 foot sidewalk at the curb is required inside the lat and a 6 foot sidewalk on NE 24th St with a 5 foot planter strip between the curb and sidewalk is req ired. The plan indicates 5 foot sidewalks on NE 24th St and 6 foot sidewalks inside the plat. This needs to be corrected. Shorewood Preliminary Plat LUA-99-187,PP,ECF Advisory Notes(continued) 8. Payment of a Transportation Mitigation fee of$75 er new average weekday trip, estimated at 9.55 new trips per single family lot, will be required prior to recordi g of the plat. It has been estimated that this 28 lot plat (credit would be given for the two existing houses) ould result in approximately 248.3 additional average (weekday)trips. The Transportation Mitigation Fee would be$18,622.50. Plan Review—General 1. All required utility, drainage, and street improveme is will require separate plan submittals prepared according to City of Renton drafting standards by a registered Civil Engineer. 2. The construction permit application(s)must include an itemized cost estimate for these improvements. 3. The fee for review and inspection of these improve ents is 5 percent of the first$100,000 of the estimated construction costs; 4 percent of anything over$100,000, but less than $200,000,and 3 percent of anything over$200,000. Half of this fee must be paid upon -pplication for construction permits.(preliminary plat improvements), and the remainder when the const uction permit is issued. There may be additional fees for water service related expenses. Parks Department Review 1. Payment of a Parks Mitigation fee of$530.76 fore ch new single family lot will be required prior to recording of the plat. Credit would be given for the two existing houses. Building Department Review 1. Demolition permits will be required. Fire Prevention Department Review 1. A fire hydrant with 1000 GPM fire flow is required within 300 feet of all new single family structures.. If the building square footage exceeds 3600 square feet n area, the minimum fire flow increases to 1500 GPM and requires two hydrants within 300 feet of the structure. 2. Access roadway exceeds 500 feet dead end. All dwellings beyond 500 feet, lots 10 through 20, require the installation of an approved fire sprinkler system. These lots will require a minimum 1-inch domestic water meter in order to serve the fire sprinkler system. 3. A Fire Mitigation fee of$488 is required for all new ingle family lots. Payment is required prior to recording of the plat. 4. The applicant shall draft and record a maintenance agreement or establish a Homeowners'Association for the maintenance of all common improvements (ac•ess and utility easements, rights-of-way, and stormwater facilities). A draft of the document shall be submitt-d to the City of Renton for review and approval by the City Attorney prior to the recording of the plat. Property Services Department Review 1. Comments will be provided under separate cover. Development Services Department Review 1. The site is designated Residential Single Family in he Comprehensive Plan. 2. The property is zoned Residential 8 (R-8). 3. Densities allowed in the R-8 Zone are 5.0 dwelling nits per net acre (du/a) minimum and 8.0 du/a maximum. 4. Minimum lot size in the R-8 Zone is 4500 sf,with inimum width of 50 for interior lots and 60 for corner lots. The minimum permitted lot depth is 65 feet. Lot di ensions must be shown on the final site plan demonstrating that all lots meet these minimums. 5. Heights of buildings in the R-8 Zone are limited to stories, or 30 feet. ' Shorewood Preliminary Plat LUA-99-187,PP,ECF Advisory Notes (continued) • 6. Required setbacks in the R-8 Zone are 20 feet for front yards facing NE 24th St(a street existing prior to September 1, 1995)and 15 feet for houses and 20 feet for attached garages which access from the front if fronting on the new public street to be constructed;20 foot rear yard setbacks; 5 foot side yard setbacks for interior lots and 15 feet sideyard setbacks for corner lots. All setbacks are minimums. Lots 25 and 28,which are corner lots, do not appear to have adequate side yard setbacks and must be adjusted accordingly. Setback dimensions should be shown on the construction drawings, but setback lines must be removed prior to recording the final plat. 7. The maximum building coverage in the R-8 Zone is 35 percent for lots under 5,000 sf or 50 percent for lots 5,000 sf or less. 8. Dead end streets cannot exceed 700 feet in length, measured from the edge of the connecting street to the end of the cul-de-sac. 9. Streets cannot be sloped greater than 15 percent. Iriveways sloped more than 15 percent require approval - from the Board of Public Works. 10. The recommendations of the geotechnical report( •eoEngineers, dated December 13, 1999)shall be implemented regarding removal of fill material from the property, replacement structural fill, compaction, and foundations/footings. 11. Retaining walls in excess of four(4)feet require en•ineered drawings and a separate building permit. 12. Construction easements obtained from abutting property owners may be necessary prior to construction of retaining walls on or near property lines. These ag eements must include protection measures for(or permission to potentially damage or remove)trees ocated on abutting properties within 20 feet of the property line. 13. The applicant shall draft and record a maintenance agreement or establish a Homeowners'Association for the maintenance of all common improvements (ac ess and utility easements, rights-of-way, and stormwater facilities). A draft of the document shall be submittd to the City of Renton for review and approval by the City Attorney prior to the recording of the preliminary plat. 14. Performance Standards for Land Development Permits (RMC 4-4-130K), including "Protection Measures During Construction" (RMC 4-4-130K7)relating to trees, shall be followed by the applicant. The applicant shall adhere to the definition of"tree"a found in RMC 4-11-200, "drip line"as found in RMC 4-11-040, and the measurement of trees as found in RMC 4-11-030. Iv NoncE ENVIRONMENTAL DETERMINATION POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION • PROJECT NAME: SHOREWOOD PRELIMINARY PLAT PROJECT NUMBER: LUA-99-187,PP,ECF , The project proponent,Investment Propertle LLC,has requested subdivision of a 4.35-acre property Into 28 lots suitable for detached single-family homes.The site Is In a Residential 8(R-8)Zone.Two existing houses will be removed.A modification of street standards has been requested to reduce a public right- of-way to 42'(from 50'). The project will be reviewed by the City of Renton Environmental Review Committee and the Hearing Examiner.Location:1917 R 1929 NE 24'Street 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 the environmental determination must be filed in writing on or before 5:00 PM February 28,2000. Appeals must be riled In writing together with the required 575.00 application fee with:Hearing Examiner,City of Renton,1055 South Grady Way,Renton,WA 98055t Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-118.Additional Information regarding the appeal process maybe obtained from the • Renton City Clerk's Office,(425).430.6510. A Public Hearing will be hold by the Renton Hearing Examiner at his regular meeting In the Council Chambers on the seventh floor of City Hall,February 29.2000._at 9.00 AM to consider the Preliminary Plat.if the Environmental Determination Is appealed,the appeal will be heard.s part of this public hearing.Interested parties aro Invited to attend the public hearing. a Y Ii; -, eqi.''?_=ie it � • I •�_> .,Y • • •kH I, 44iiI1!iE IL ,- ®III I ii •v .t S E 9 i •p .. :ra ,,.. _ I w;p 1 tl_ r•I•c'I,a 7g'i _ !9_ ® � d 'II i . , L.i• , 4.k . u • ., 1 • , it - ' o f a ' IAG s• �J ' t o •°jtro9•a l -. ; IiI rp &' .I 1 l 1; c :v. -1r�e: r . I[ FOR FURTHER INFORMATION•PLEASE CONTACT THE CITY OF RENTON,DEVELOPMENT SERVICES DIVISION AT(425)430-7382 DO NOT REMOVE THIS NOTICE WITHOUT PROPER AUTHORIZATION .I Please Include the project NUMBE(t when calling for proper file identification. I CERTIFICATION I,,Aji ke/, {/iq ii„S , hereby certify that copies of the above document were posted by me in 3 conspicuous places on or nearby the described property on fe6r.,.e r� AO'!" ?�' Signed: s'%�E �- iiieg,t1L,..........:3 ATTEST: Subcribed and sworn before me,a ortary Public, in and for the State of n 5�Washington residing i -,�elL. , on the I pit_ day rt o ` : Te.b,..,,,,, f� , � F NOTARY PUBC - STATE OF WASHINGN (�� (/ �, �i� COMMISSIOPi JRES �/� J111tilE , ?_003 v ` a MARILYN KAMCHEFF MY APPOINTMENT EXPIRES:6-29-03 d .. r T ,, NOTICE OF ENVIRONME TAL DETERMINATION ENVIRONMENTAL R VIEW COMMITTEE RENTON,W SHINGTON 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. SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF Environmental review for subdivision of a 4.35-acre property into 28 lots suitable for detached single family homes. Location: 1917 & 1929 NE 24th Street. Appeals of the environmental determination must be filed in writing on or before 5:00 PM February 28, 2000. Appeals must be filed in writing together wit the required $75.00 application fee with: Hearing Examiner, City of Renton, 1055 South Grady Way, enton, WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4 8-11 B. Additional information regarding the appeal process may be obtained from the Renton City Clerk' Office, (425)-430-6510. A Public Hearing will be held by the Renton Heari g Examiner at his regular meeting in the Council Chambers on the seventh floor of City Hall, February29, 2000, at 9:00 AM to consider the Preliminary Plat. If the Environmental Determination is appeal d, the appeal will be heard as part of this public hearing. Interested parties are invited to attend the p blic hearing. Publication Date: February 14,2000 Account No. 51067 dnsmpub.dot CITY OF RENTON Planning/Building/Public Works MEMORANDUM DATE: February 8, 2000 TO: Environmental Review Committee FROM: Elizabeth Higgins SUBJECT: Shorewood Preliminary Plat E C Report Proposed Revision The following condition is to be deleted: 4. The applicant shall provide either a tree inventory that includes all off site trees 6" in diameter at chest height and larger within 25' of the property line or a construction easement agreement with abutting propertt owners allowing the removal of said trees. The following is to be added to the "Notes to Applicant": Performance Standards for Land Development Permits (RMC 4-4-130K), including "Protection Measures During Construction" (RI/IC 4-4-130K7) relating to trees, shall be followed by the applicant. The applicant shall adhere to the definition of"tree" as found in RMC 4-11-200, "drip line" as found in RMC 4-11-040, and the measurement of trees as found in RMC 4-11-030. memoOl.rtfl 1 STAFF City of Renton REPORT Department of Plannin /Building/Public Works ENVIRONMENTAL R VIEW COMMITTEE A. BACKGROUND ERC MEETING DATE: February 8, 2000 Project Name: Shorewood Preliminary Plat Applicant: Blaine Miller, President Investment Properties, Inc. P.O. Box 6487 Kent,WA 98064-6487 File Number: LUA-99-187, PP, ECF Reviewing Planner: Elizabeth Higgins, AICP Project Description: Blaine Miller, of Investment Properties, has proposed subdivision of an approximately 189,486 sf(4.35 acre) property into 28 lots suitable for detached, single family houses. Lots would range n size from 4,531 sf to 6,996 sf The property is located at 1917 and 1929 NE 24th Street, in a Residential 8 (R-8) Zone, which requires betty en 5.0 and 8.0 dwelling units per net acre (du/a). Approximately 37,011 sf(0 85 acre)of the site would be a public right-of-way and therefore is deducted from the gross square footage of the site for density calculations. The net site rea is 152,475 sf(3.5 acre), therefore the density is 8.0 du/a. Access would be from a ne public street from NE 24th Street. This new street would be closely aligned with an oxisting street, Monterey Ave NE. The new street would terminate south of NE 24th treet in a cul-de-sac. A modification from street standards has been reque ted to reduce the width of the public right-of-way from 50 feet to 42 feet. Existing structures on the Oe would be removed. Approximately 7,000 cubic yards of topsoil will be stripped from the site, with approximately 1,500 of this material being replaced following constru tion. The project requires Enviro mental Review, Preliminary Plat approval, administrative approval of a reduced publc street right-of-way(from 50 to 42 feet wide)and, if necessary following constr ction design, Board of Public Works approval for driveways sloped greater t an 8 percent. Project Location: The project is located at 1917 and 1929 NE 24th Street in Northeast Renton, south of NE 24th Street between Ab-rdeen Ave NE and Jones Ave NE. Project Location Map ercrpt City of Renton P/B/PWDepartment Enviri_ Val Review Committee Staff Report SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF REPORT AND DECISION OF FEBR UARY 8,2000 Page2 of 9 ?':' Erri. ;rirn' 1- n �I- I ,....:1... 27 l ;256'i P3i 9 s •.. .. -.. , .Lst 41 �,, , Q ti276 1 -s K`-*-s;;a a_ ; 240 237 EI xvu'&c°,...',..1,,4 . : 1 ,5 I l 1 .•. p'27s -';:,.2A" • `iv 19 Do, F i„�6TH 7r� :i I •i• "- Writ&—a..,� 4;��y--?;Y7 ',..'.^ *i",;!q,,,,4.4.. C '-- a la i2i 1 I .(ri �71' 254�Q' "24� 23s I/ ¢ I:X� aa:2'Y..F i � �-2., . 7.,r, • .- gap;?W—I 2• E`1, 29 I� i , W x Q •F-r-1".1P1 . �•h.-- .. IS ;ti. .01 :. • Y ti W CI 7Y.:Il g 6 < ICI - -W, ..Eor ! 1282 i-•'H 11.'L"L ©°o�gS�M W " — ,!$ Z40 ; `� ?;•,..�,, • b.-W 3 ,q -are' sr a NE..•• a 24TH• ST. " " + I r—• •\ �C7 ; I: I it L 6:! „, 4 f 6.„ I 4.i Igo -'iiic• [ ..z. z 4•rit:�'-•Egi{ _1'1 Y � I; ;I, W'a �!f1J '®;•: w v ¢ ¢ NE 23RD 67.I o� R i; i 1I I ."33r, SI; E 2yv o x Q 'n �. a^R o is ':E� �(,,]: W a 3 i— [9 +.,\]a ' 1 r ]:9.'• E! :VOA:-." • _.. • • �- --' l . I L ..�, 94 283 { 273 62 j, *• 11 i !.•.. 7J�s y e20 I I `�..�sFw a •i f d ,. —� �B.t:�; 272 63,e{(� •232 3'.. �y i.234 F. �eµpS�.S t ,u,,,• ! 1 6: 4 i ..-- 4', : ,0 '-: \ell ac,-",--- z.• 3 .8 •I III • :'Lw - i" • ' 14,,,,..";........,l'vI ' •�_'._- •..._ `_�gc- '` s Ii Sal 1 ;. 1 ]_e r , ••9. [J !;;.YI pt•::-r2. rFA A.e,m .1. " I,' M . I I . i • ` i �7 Exist. Bldg. Area gsf.• Existing structures to be Proposed New Bldg.Area gsf: N/A ' demolished. Site Area: 189,486 sf(4.35 acre) Total Building Area gsf.• N/A RECOMMENDATION Staff Recommend that the Environmental Review Committee issue a Determination - of Non-Significance—Mitigated. B. RECOMMENDATION Based on analysis of probable impacts from the proposal, staff recommend that the responsible officials make the following environmental determination: DETERMINATION OF bso DETERMINATION OF NON-SIGNIFICANCE NON-SIGNIFICANCE-MITIGATED. Issue DNS with 14 day Appeal Period. Issue DNS-M with 14 day Appeal Period. Issue DNS-M with 15 day Comment Period followed by a 14 day Appeal Period. C. MITIGATION MEASURES 1. The applicant shall pay the applicable Transportation Mitigation Fee at the rate of$75.00 per each new average weekday trip attributable to the project, estimated to be 9.55 average weekday trips per new residence.The Transportation Mitigation Fee is due prior to the recording of the plat. ercrpt City of Renton P/B/PW Department Envin ntal Review Committee Staff Report SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF REPORT AND DECISION OF FEBRUARY 8,2000 F Page3 of 9 2. The applicant shall pay the appropriate Fire Mitigation Fee at a rate of$488.00 per each new single family residential lot created by the proposed plat. The fee is due prior to the recording of the plat. 3. The applicant shall pay the appropriate Parks Mitigation Fee at the rate of$530.76 per each new single family residential lot. The fee is due prior to the recording of the plat. 4. The applicant shall follow the recommendations of the eotechnical engineers, GeoEngineers, in their report, dated December 13, 1999. Advisory Notes to Applicant: The following notes are supplemental information pro ded 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. Plan Review—Sanitary Sewer 1. A sewer cleanout will need to be located five feet out from buildings. 2. Separate side sewers will be required for each parcel (.io dual sewers). Side sewer lines must have a 2 percent slope. 3. All utility plans must comply with the City of Renton Drafting Standards. 4. Show finished floor elevations on the sewer construction plan sheet. 5. The vertical profile of the sewer main will be required. 6. The project is located in Aquifer Protection Area Zone . 7. Any new sewer mains are to be separated from water lines by a minimum of 10 feet. There is a 7.5 foot minimum separation from other utilities. 8. Sewer Development Charges of$585.00 per single family residence will be required for this plat. The fee for this project would be$16,380.00. There is no credit given for existing houses. This fee must be paid prior to issuance of the construction permit for the preliminary plat. 9. An additional charge will be assessed for the East Renton Interceptor Special Assessment District No. 9204 (City of Renton Ordinance no. 4362, September 2, 1992). The amount will be determined later. Plan Review—Water 1. There is an existing 12"asbestos cement water line in NE 24th St. 2. The proposed plat is located in the 435 water pressur zone. 3. The water main into the plat must be large enough to accommodate the required fire flow assigned by the Fire Prevention office. 4. At the proposed connection to the existing 12-inch water line in NE 24th Street add a valve on the west and south leg of the connection. 5. Fire hydrants will be required to current City standards within 300 feet of all proposed building sites for the new parcels. 6. Water System Development charges of$850.00 per new single family residence will be required for this plat (credit given for existing houses). The charge for this plan w uld be$22,100.00. This fee must be paid prior to issuance of the construction permit for the preliminary plat. Plan Review—Stormwater Drainage 1. Explain more clearly, in the text,where to find the bac up calculations for the water quality sizing by referencing the appropriate section or page. 2. The applicant proposes to route the post-developed runoff from the east and west basins off the site without detention. Even though the runoff from these areas it small, the drainage report must still account for them, and the calculations must clearly show that post-developed runoff does not exceed pre-developed runoff for the 2-, 10-, ercrpt City of Renton P/B/PW Department Envin ntal Review Committee Staff Report SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF REPORT AND DECISION OFFEBRUARY8,2000 I Page4 of 9 and 100-year events. i 3. The detention/water quality facility will be in the public right-of-way, but must be maintained by the Homeowners' Association. The homeowners shall be required to maintain the storm facility even though it is in the public right- of-way. 4. Stormwater filtration systems, as proposed by the applicant, have not been adopted by the City of Renton. The use of this system would require the approval of a Code Modification Alteration Request. As an alternative, a wetvault facility combined with the proposed detention vaults would be the recommended approach to meet code requirements. 5. Excluding lateral pipes, the main storm drain must be 12-inch minimum pipe (Sec.4.3.4-3, 1990 King County Surface Water Design Manual). 6. Show the existing flow paths for each of the basins on he drainage map. 7. Developer to ensure that the level spreader is in an ea ement or dedicated public right-of-way. 8. Drawings submitted to the City of Renton are to be on 2 inch x 34 inch sheets. 9. Before any construction or development activity occur , a pre-construction meeting must be held with the City of Renton Development Services Division, Construction Services (425-277-5570). 10. The City of Renton retains the right to restrict the timin of land clearing and tree cutting activities to specific dates and/or seasons when such restrictions may be necess ry for the public health, safety, and welfare, or for the protection of the environment. 11. Surface Water System Development charges of$385 per new single family residence will be required for this plat. No credit is given for existing houses. The fee for this project would be $10,780.00. This fee must be paid prior to issuance of the construction permit for the preliminary lat. Plan Review—Transportation and Street Improvement 1. All electrical and communication facilities to be underground behind the sidewalk. If right-of-way space is not available then in a utility easement. 2. Streets over 700 feet in length are required to have two means of access. 3. Fire sprinklers are required for all houses beyond 500 feet on dead-end streets. 4. Street lighting is required to meet City standards. Minimum lighting level is 6:1 uniformity ratio and 0.2 foot candle level. The street lighting conduit to be located under the sidewalk. 5. The minimum right-of-way width is 42 feet(modified fr m street standard width of 50 feet). 6. The cul-de-sac is required to have a minimum pavem nt radius of 45 feet and right-of-way radius of 55 feet. 7. A 5 foot sidewalk at the curb is required inside the plat and a 6 foot sidewalk on NE 24th St with a 5 foot planter strip between the curb and sidewalk is required. The Ian indicates 5 foot sidewalks on NE 24th St and 6 foot sidewalks inside the plat. This needs to be corrected. 8. Payment of a Transportation Mitigation fee of$75 per ew average weekday trip, estimated at 9.55 new trips per single family lot, will be required prior to recording of t e plat. It has been estimated that this 28 lot plat(credit would be given for the two existing houses)would res It in approximately 248.3 additional average (weekday) trips. The Transportation Mitigation Fee would be$18 622.50. Plan Review—General 1. All required utility, drainage, and street improvements ill require separate plan submittals prepared according to City of Renton drafting standards by a registered Civil Engineer. 2. The construction permit application(s) must include an itemized cost estimate for these improvements. ercrpt • City of Renton P/B/PW Department Envir_ ntal Review Committee Staff Report SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF REPORT AND DECISION OFFEBRUARY8,2000 Pages of 9 3. The fee for review and inspection of these improvements is 5 percent of the first$100,000 of the estimated construction costs;4 percent of anything over$100,00 , but less than $200,000, and 3 percent of anything over $200,000. Half of this fee must be paid upon applicati n for construction permits (preliminary plat improvements), and the remainder when the construction permit is iss ed. There may be additional fees for water service related expenses. Parks Department Review 1. Payment of a Parks Mitigation fee of$530.76 for each ew single family lot will be required prior to recording of the plat. Credit would be given for the two existing houses. Building Department Review 1. Demolition permits will be required. Fire Prevention Department Review 1. A fire hydrant with 1000 GPM fire flow is required withi 300 feet of all new single family structures. If the building square footage exceeds 3600 square feet in area, the inimum fire flow increases to 1500 GPM and requires two hydrants within 300 feet of the structure. 2. Access roadway exceeds 500 feet dead end. All dwellings beyond 500 feet, lots 10 through 20, require the installation of an approved fire sprinkler system. Thes- lots will require a minimum 1-inch domestic water meter in order to serve the fire sprinkler system. 3. A Fire Mitigation fee of$488 is required for all new single family lots. Payment is required prior to recording of the plat. 4. The applicant shall draft and record a maintenance agreement or establish a Homeowners'Association for the maintenance of all common improvements (access ano utility easements, rights-of-way, and stormwater facilities). A draft of the document shall be submitted to the City of Renton for review and approval by the City Attorney prior to the recording of the plat. Property Services Department Review 1. Comments will be provided under separate cover. Development Services Department Review 1. The site is designated Residential Single Family in the Comprehensive Plan. 2. The property is zoned Residential 8 (R-8). 3. Densities allowed in the R-8 Zone are 5.0 dwelling uni s per net acre (du/a)minimum and 8.0 du/a maximum. 4. Minimum lot size in the R-8 Zone is 4500 sf,with mini um width of 50 for interior lots and 60 for corner lots. The minimum permitted lot depth is 65 feet. Lot dimension must be shown on the final site plan demonstrating that all lots meet these minimums. 5. Heights of buildings in the R-8 Zone are limited to 2 st ries, or 30 feet. 6. Required setbacks in the R-8 Zone are 20 feet for front yards facing NE 24th St (a street existing prior to September 1, 1995)and 15 feet for houses and 20 fee for attached garages which access from the front if fronting on the new public street to be constructed; 20 foot rear'yard setbacks; 5 foot side yard setbacks for interior lots and 15 feet sideyard setbacks for corner lots. All setbcks are minimums. Lots 25 and 28, which are corner lots, do not appear to have adequate side yard setbacks and must be adjusted accordingly. Setback dimensions should be shown on the construction drawings, but setback lines must be removed prior to recording the final plat. 7. The maximum building coverage in the R-8 Zone is 35 percent for lots under 5,000 sf or 50 percent for lots 5,000 sf or less. ercrpt City of Renton P/B/PW Department Enviri Val Review Committee Staff Report SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF REPORT AND DECISION OF FEBRUARY 8,2000 Page6 of 9 8. Dead end streets cannot exceed 700 feet in length, m asured from the edge of the connecting street to the end of the cul-de-sac. 9. Streets cannot be sloped greater than 15 percent. Dri eways sloped more than 15 percent require approval from the Board of Public Works. 10. The recommendations of the geotechnical report(Geo ngineers, dated December 13, 1999)shall be implemented regarding removal of fill material from the property, rep acement structural fill, compaction, and foundations/ footings. 11. Retaining walls in excess of four(4)feet require engin ered drawings and a separate building permit. 12. Construction easements obtained from abutting property owners may be necessary prior to construction of retaining walls on or near property lines. These agreerients must include protection measures for(or permission to potentially damage or remove)trees located on abu ling properties within 20 feet of the property line. 13. The applicant shall draft and record a maintenance ag eement or establish a Homeowners'Association for the maintenance of all common improvements (access an utility easements, rights-of-way, and stormwater facilities). A draft of the document shall be submitted to the City f Renton for review and approval by the City Attorney prior to the recording of the preliminary plat. 14. Performance Standards for Land Development Permits (RMC 4-4-130K), including "Protection Measures During Construction" (RMC 4-4-130K7) relating to trees, shall be followed by the applicant. The applicant shall adhere to the definition of"tree"a found in RMC 4-11-200, "drip line"as found in RMC 4-11-040, and the measurement of trees as found in RMC 4-11-030. D. ENVIRONMENTAL IMPACTS 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. 1. Earth/Geology Impacts: The applicant has provided a geotechnical repot.'by GeoEngineers, dated December 13, 1999, for the proposed 28 lot Preliminary Plat. This report indicates that existing soils have been identified as recessional glacial outwash. Recessional outwash typically consists of clean o silty sand and gravel that was deposited by meltwater streams as glacial ice receded during the most recent glaciation. Subsurface investigation supports this analysis and material from test pits was identified as native recessional outwash or reworked native soils.A dark brown, organic rich topsoil horizon is present in the top 6 to 12 inches of soil. he geotechnical report recommends that the surficial organic soils,trees,fallen logs, and vegetation be remove from construction areas. Approximately 7,000 cy of topsoil will be stripped and stockpiled. An additional 14,100 cy of and subsoil will be cut and 13,000 cy of this material returned as compacted fill. Approximately 1,500 cy may b returned following construction as topsoil in lot yards. Approximately 5,500 cy of sandy topsoil and 1,000 cy of s nd subsoil will be exported from the site. Below the topsoil horizon, the recessional outwash soils g nerally consist of fine to coarse sand with variable silt and gravel content. The upper one foot below the topsoil is sli htly weathered, has a higher sands content(passing the US no. 200 sieve), and is loose. With depth, the fines content generally decreases and the soils grade to medium dense. The City of Renton Sensitive Areas maps indicate that the area in the vicinity of the project may be sensitive due to steep slopes. Existing grades on the site are sloped at a maximum of approximately 30 percent. The applicant will submit a Temporary Erosion and Sedim ntation Control Plan with construction drawings. Mitigation Measures: The applicant shall follow the recom endations of the geotechnical engineers, GeoEngineers, in their report, dated December 13, 1999. Nexus: RMC 4-4-060, Grading, Excavation, and Minin Regulations; SEPA ercrpt l City of Renton P/B/PW Department Enviri 'dal Review Committee Staff Report SHOREWOOD PRELIMINARY PLAT - LUA-99-187,PP,ECF REPORT AND DECISION OFFEBRUARY 8,2000 Page7 of 9 2. Air Impacts: It is anticipated that some adverse air quality impacts would be associated with the site work, building construction phase of the project, and to a certain extent,with subsequent occupation of homes. Project development impacts include dust resulting from grading, exhaust from construction vehicles, and odors from roofing installation, and roadway paving. Dust would be controlled through th use of temporary erosion control measures and the sprinkling of the site as needed. Odor impacts are unavoidable and would be short-term in nature. Post development impacts include vehicle exhaust and the exhaust from heating. Vehicle and construction equipment exhaust, and exhaust from heating sources are controlled by state and f-deral regulations. No further site specific mitigation for the identified impacts from exhaust are required. Mitigation Measures: None required. Nexus: Not applicable 3. Water Impacts: There are no known wetlands or surface water bodies on the site and no indication that problems associated with groundwater will be encountered, according to the ge•technical engineers, GeoEngineers, in their report, dated December 13, 1999. No mitigation is required. Mitigation Measures: None required. Nexus: Not applicable 4. Transportation Impacts: The proposed project would be accessed from A•erdeen Ave NE via NE 24th St. Aberdeen Ave NE is located east of the project and is controlled at its intersection with NE 24th St with a 4 way stop. Aberdeen Ave NE connects NE 12th St and NE Park Dr(south)with NE 27th t(north). A transportation report by The Transpo Group, "Traffic Imp ct Analysis for Shorewood Subdivision, January 5, 2000", was submitted. It indicated that levels of service on nearby roads would not be negatively impacted by the proposed project. It is estimated that the proposed project would generate a proximately 9.55 new average daily trips (weekday)for each new single family residential home. Twenty-eight pa cels are proposed, but there are two houses existing and currently occupied. Credit would be given for the two exist ng houses. Therefore, an estimated 248.3 trips per day will be added to the transportation system. The City of Renton has adopted a Transportation Mitigation Fee to address the impacts to the City's transportation system caused by development, including this proposed project. The applicant would need to pay the appropriate Transportation Mitigation Fee of$75.00 per each new average daily trip attributable to the project. The fee is estimated to be $18,622.50, and is payable prior to the recording of the plat. Access to the proposed plat would be from NE 24th Street, a two-lane roadway with 19 foot wide travel lanes. A sidewalk exists along the north side of the street. The posted speed is 25 miles per hour. A new public street would be extended by the applicant through the plat from NE 24thI Street. The intersection of this road and NE 24th Street would align with an existing street to the north, Monterey Ve NE. Monterey Ave NE is a residential cul-de-sac with 17 foot travel lanes and sidewalks on both sides. There is a stop sign on Monterey Ave NE at NE 24th St. An alley is located between lots 23, 24, 25 and lots 26, 27, 28. Lots 4 and 5 are accessed by a twenty(20)foot wide private access easement. The right-of-way width of the new road is proposed at 42 f et, a modification from City street standards, with 32 feet of paving and one six foot wide sidewalk on the west side of he street. The applicant has requested a modification from City standards so that the opposite sidewalk, on the east s de of the new road, begins approximately 100 feet from the existing public right-of-way. The reason for this request is the severe change in grade to the abutting property and the necessity of locating the new street in this position so that t would align with Monterey Ave NE. ercrpt City of Renton P/B/PW Department Enviri Val Review Committee Staff Report SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF REPORT AND DECISION OF FEBRUARY 8,2000 Page8 of 9 1 City Code requires street improvements (curb, gutter, sidewalks, drainage, and street lighting)within the plat and on all abutting streets. NE 24th has street improvements on the north side. New improvements on the south side of NE 24th St must be connected to, and match, other improvements already in place. Renton Municipal Code Section 4-18-3 requires applicants to provide haul route plans for approval by the Development Services Division prior to the issuance of a construction permit. Haul hours are also restricted by the Code, and may occur only between the hours of 8:30 am and 3:30 pm, Monday through Friday, unless approved in writing in advance by the Development Services Division. -Iauling can be further restricted by the City if the route is near a school. These requirements are intended to diminish impacts on the transportation system resulting from construction of a project. In addition, traffic control measures are required to be provided during construction. Mitigation Measures: The applicant shall pay the applicabl Transportation Mitigation Fee at the rate of$75.00 for each new average weekday trip attributable to the project. The estimated number of trips per day, per single family lot, is 9.55.The Transportation Mitigation Fee is due prior to the recording of the plat. Nexus: Transportation Mitigation Fee Resolution and Adopting Ordinance; Environmental (SEPA)Ordinance (Code Section 4-6). 5. Fire Protection Impacts: The proposal would result in the construction of 8 new single family lots. Future residents would potentially have the need for emergency services which would impact the City's Fire Department. Fire Prevention Bureau staff report that they can serve this development provided that t e City Code required improvements are installed, appropriate fire access is provided, and Fire Mitigation Fees are paid. In order to offset the impacts associated with new development, all new residential construction is subje t to a Fire Mitigation Fee. The fee is calculated on a per lot basis. The current fee is $488.00 per single family lot. Mitigation Measures: The applicant shall pay the Fire Miti ation Fee equal to$488.00 per new single family lot. The Fire Mitigation Fee shall be paid prior to the recording of the plat. Nexus: Fire Mitigation Fee Resolution and Adopting Ordin nce; Environmental (SEPA) Ordinance (Code Section 4-6). 6. Parks and Recreation Impacts: It is anticipated that the proposed development ould generate future residents that would utilize existing City park and recreation facilities and programs. The City has adopted a Parks Mitigation Fee of$530.76 per each new single family lot to address these potential impacts. Mitigation Measures: The applicant shall pay the Parks Mitigation Fee equal to $530.76 per new single family lot. The Parks Mitigation Fee shall be paid prior to the recording of the plat. Nexus: Parks Mitigation Fee Resolution and Adopting Ordinance; Environmental (SEPA)Ordinance (Code Section 4- 6). 7. Stormwater Impacts:The applicant has submitted a report by GeoEngi eers,"Geotechnical Engineering Services,"dated December 13, 1999, a"Technical Information Report,"dat:d December 1999, by RCA/Huitt-Zollars, Inc., and sheet PP-4 Preliminary Site Grading and Storm Drainage Plan. he conceptual stormwater plan proposes use of two underground storm detention vaults, to be located in the n-w public street, and stormwater filters (see Notes to Applicant). GeoEngineers consider on-site soils suitable for infiltration of run-off from roof drains. The stormwater facility, although located in the public right of-way, must be maintained by a Homeowners'Association or through a maintenance agreement. ercrpt City of Renton P/B/PWDepartment Envin 7tal Review Committee Staff Report SHOREWOOD PRELIMINARY PLAT LUA-99-187,PP,ECF REPORT AND DECISION OF FEBRUARY 8,2000 Page9 of 9 Mitigation Measures: None required. Nexus: Not applicable 8. Vegetation Impacts: The applicant has estimated that approximately 191 trees over 6"diameter at chest height will be removed prior to construction. Due to soil removal and grading on s te, most of the trees and vegetation will be removed. Mitigation Measures: None required. Nexus: Not applicable 9. Land Use Impacts: The applicant has proposed subdividing a 152,475 square foot(4.35 acre) property into 28 lots. The project site consists of four legal tax parcels, two of which, at about 0.3 acres each in size, have homes built in the 1960s. The remainder of the land is vacant. The neighborhood h+ been undergoing redevelopment in recent years,with several new small subdivisions being approved and constructed. The site is located in the Residential 8 (R-8)Zone, which a lows up to 8.0 dwelling units per net acre (du/a). The applicant has proposed developing the land exclusively for the construction of single family, detached homes. The density of the proposed project is 8.0 du/a. The R-8 Zone has been established by the City of Renton for residential development and to prohibit the development of uses that are incompatible with the residential environment. Mitigation Measures: None recommended. Nexus: Not applicable E. COMMENTS OF REVIEWING DEPARTMENTS The proposal has been circulated to City Departmental/Divisional Reviewers for their review. Where applicable, these comments have been incorporated into the text of this report as Mitigation Measures and/or Notes to Applicant. X Copies of all Review Comments are contained in the Official File. Copies of all Review Comments are attached to this report. Environmental Determination Appeal Process Appeals of the environmental determination must be filed in writing on or before 5:00 PM February 28, 2000.E Appeals must be filed in writing together with the required S75.00 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 4-8-11 B. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425)-430-6510. ercrpt • • • PRELIMINARY PLAT t ,.; S H O R E W O O D PRO/MACE IrILOV0OlT5 S 1 V FLA 0440 ERSTIR N.E.24TN STREET =,TT 3 ' RENTON, WASHINGTON 5.'«WALK „ . ' • SECT.5,T.23 N,R.S 4 W.M. LEGEND - ;`••5. ••.A 20 •••• .W ; I� s k CITY OF RENTON ZONINQ INFORMATION I PROPERTY DOMYY iN I i oiI' 1�r ----LOT 1K 26 t'i. 27 1I4 28 I f . 66 Z01DML R-D l �'LOTS 2D11ARm Rq,T-Or-WAYII b6 I. ITOTAL AREA 4.35 AL V5[MOfr L__-_J I LL_-_JI I L J - c PROPOSED rMlt LOT AREA 35 AL(TOTAL PARCEL 5120 1RA15 STREET R.O.WJ • ----ROADRAY f .IIL 111 -I ROW AREA 035'AL ROP05ED Eue NO GUTTER „ 4• �- mm T" I ' •worm L. PROPOSED DENSITY 25 LINTS/33 ACRES•8 LNTS/ACRE WSruS••ff tG A11LT' Y•9"...•YN•*`a PROPOSED SOEWALK " -1�-- r---JOiL'--1 _ DENSITY PERMTTED 8 LINTS/AL•3.5 AC•25 OATS Sre1CME XTD.101 LOW I S5A5 c1m • I 1 BY CODE ,Ifrrr , E ,k I Irpp11 IS,SR4,OTO - . LAND r1 SENSITIVE. 0.0 AG-NO SENSITIVE AREAS HAVE BEEN IDENTIPED PROPOSED 10 5TOM III I I f�.-\I. SEWER E• AREAS CO UTE •• OuwfL EA5IRMT • I I., P 1 r I I 1' --- . E. A 23 I 24 ' 25 ; I = = R • SHEET INDEX I a @�' t1 I i $+ i g SMELT DRAWNL NTLE 1:2. -,I i I L----' % I i 2 A g - j I PP-I COVER 111E[T MO LOT LAYOUT '�l I ./. 2 PP-3 TOPOOlP YEMITY r? SURVEY r• ROP05[D 1'A e• / �� ,•t-•:--RC- r=--a=_ • 4 T-4 PIDrrMRT•JIG CRAW,5,OP1 RYrfL.WATER YD SWfYP SCNCR• 1 EASEKM P«��. t.WO ,]•OD . r% 3 I . . x I / •'' a/-- ss'PROW snuck in. 'a_ I '�•. PROP-ER-TX-OWNERS - - =I-� -_�' /'1 22n' _ : F -�"' sp LAKE 9W1 SSm AVE.Sr,WATTLE,WA 9512G • i _-"'''-__1 ?/ I •r--'-11 I '`I I I 1 r. au. C� py I� 7 / : /�PROPOSEC.• I;I 1 I 1 I r I-- 217 POS81 - uruM 1417 1¢24m SrREEf,RENTON,WA VON. X i 21 i +1 i 11 _50[IY41t MO LIILllE58 8 SI 1 I LI I 6 MI' S Li I 4 k ALAOF R WAT541,@•ILL UM STRUT.R[MOL WA 450% 9 I p7 rezwar,,,,,..c.,,„. L-1rw-SerSr-J - -„-t r.a-I CI II� �IYI I I k l PII I I 4-guAnotts 5, 440801-1 PROJECT CONTACTS ' I A9I T i ' I __ I'I I 1 1 '" " p_. • 1 I 20 ' N I it 1 10 I 1-- I.J 1 1 ' T ' 1 51Ar 1`1 55m l5 y 55m I 6 DUX PRIER GUM ?. W5r"f5-r_i 1 I I •_i ` •ND f IMS,IOIm RORRr[5 RA/1•JTT.OLARS r--'"-•----1 TII 1 i--- - , zo•REAR SETI1Klf Tn. 'S SR 5E,D1NC Tn. P.O.DOA GV, ' 514 E.De 52. I I t0R,WA V0G4.64D, SEATTLE,WA ABM I 19 I ' 1 11 I g �0LGLQ2sf$ MAIM 4WKY05 L_WWrs,AY_J I . `_- ::e 2 VICINITY MAP MULE TOMS.at. KM rlS -�- I I -__ I - n5 I . RCAntETT-SIXlARS RLA.1l1rT-SOURS 4 r_-JSGY-_'� iTI ; l �� 514 E.POE 5T, 221 5.25r11 52. Y 1 18 / I \ �� 12 I g^ •. MATILE.WA g122 TAC0MA.WA V402 BC I V / / I \ \\ !• I R g I 1,...3ta / •s4 •rr - rr 1.0T AREAS r ns_i IS I,i_ ,• r ",,} �. ... I RoroSED zneeww,wt /I q1�1 AKA AREA PL.LOT AREA AREA 1141L LOT 7 1\ 1 I i El.R L r �• LOT R CV) (AL) CO+ERALE CD) LOT W C50 CAC, COYIIAEL C571 „ 1/ ) I / 13 g ,L,n\ r11#_ S 1 5a5G 013 1.610 V 4505 0.11 2.b1 ` y� J YX 2 5101 012 1,563 15 4,531 031 22Gs S c'�n`\ I / n` '� 9 I C R ] 5973 013 2aW IA 5325 OA2 L564 / , 7 { 5344 0.12 1202 20 5,326 012 1,KC ^' - / ,I - T' w 4 SITE . - 5 5D» 0.12 VG, 21 5,3G4 012 1.5n �- pp6 G 5.766 0.13 2025 22 7¢15 0.17 2.000 �' I4 '-�\A q 1 3 • 1 5527 0.12 1.564 23 5,037 022 2HR I 16 N. \ 14 1 s • 5 5.563 012 ten 24 4,500 031 2,400 1 /031, 15 1 fs II i R 5511 022 2.033 25 G.023 014 2305 I /; I - 'r•�w.l " 1 10 5200 0.12 1520 26 4,545 0.11 2,355 L am_ A J $ 1 ^ 11 5200 0.12 1520 27 a.G12 0.11 2,SOG • rl �-- J 12 4.531 0.10 22GG 25 Gp3o 014 2.111 • 395•f xl]sL•f ,_ y 13 4670 011 2,335 TOTAL t52,4,5 3.50 .- 14ar " 11v -. ..-. ... .. . 14 G,n3 0.16 2.3,1 _ . I5 5A5o 0.13 1512 L LOT(0 .LOT WS 6660 15 35L 50ELOT �.37♦ C 16 G.4rG O.16 25. LOT COVERAGE R,ALLOWED PAR tors ROPOCR 51 STORM ". u . spoo a IE55 PM 4-2-no.Of ORADAGE EASIRMI • REMON OCKAPIOII O.OE. J.OT LAYOUT R(�//111/wy I ' ' ' ��`+ - APPROVALS m NO. Ssoz,ao, , ,,• NOT FOR CONSTRUCTION S 1�..A! 1/H V I��11L 1l V Y 1.R5 r..T PRELIMINARY PLAT Ge`P �4°. GeSDATE CT,Mrr,o,,vw DRAWING N0. ,'O Investment Pro arise,LLC c/°: as O*•Om COVER SHEET AND I.+P.r..oAB,y.q.I„A�..w4n,•.,,,.1L,.D,...,,,,,f•„+� P - °RA"ED,0,4'eOvO PROPOSED LOT LAYOUT Pp-1 • g WMLI5,i •• SAW*.Tltp •. PYr(AP)124-5101 •. r.I1a112f1m ttlr DO 1Q4R MOItIKAbOzm sTRRT o ' �1~r SLAG to. 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L1-0 - 27,-01 ..* PREUMINARY PLAT I'.3.;••• •••-• WC W..- DRAWING NO. 14,199H RC/N/HUITT-ZOIJARS Investment Properles,LLC ......---„I;'-‘z,zi PRELAGYARY PROJECT REVIEW SUBMITTAL \•....,j11,../ ...N.- DCUCI.00 rstsflfr,11.11,Gs.K. GISMO Gus. pc. NEIGHBORHOOD DETAIL MAP PP-2 .9. 114T-1.451. • isels....3.12 • rrese(ros)32.-S. • nst..)..-tras I1.).T21 SOAPS r•zoo• SHEET NO. ' ..... Itsreas.WA ss”...111........ses. ` 2 " q ......1 nr. - t000 FELT g • W•I SECT. 5, T. 23 N., R.5 E. W.M. M. aF�- -—-- -eTm'2o•w uses' 6 ..,. 1 '' D -9 ``� O - O - - - -—4-- _W I N.E.24TH STREET (JDNES AVE.TO ABERDEEN.E)-9 v. 6 ? - _p '14 OI q —tee ^.?--�z�[ ''=��o _ S'�T_ � -_ _- __ - —' � N 8997'20•E 213,,2' / II / I !y / II I u I R/ /- I I i LEGAL DESCRIPTION I _5'.4ENCE I I I /I II LEGEND 'Le i PoRTOHS of TRACT 262 AND 273 OF D.N. /-iE -�Ikg Q I w\• l� m MN PULL Boa HILLANN'S WOE WAASHINGTON I OoEN OF CDEN b DMSI(9F w.4 ACCORDING TO PLAT RECORDED R I GARAGE / II I I / 7\ WW E It OF PLAIN AT PAGE DI.IN KING COUNTY, Li \ I��: - 1 CHAIN LINK TS-O LIGHT STANDARD w/Nu / FENCE WASHRWTO/A DESCRIBED AS FOLLOWS:.THE EAST 63 / - F FEET OF THE NORTH 200 FEET O'TRACT 273. 2 /I/1 O / I(I N 89'07'20•E ® RUBu0N 04 Ni w CASE ' THAT PORTION OF TRACT 262 COYYENCRG AT A CCO SIDING - POWR 60 FEET EAST OF THE NORTHMEST CORNER DISx1 q 1 \ I \ I 102.63' w Hue AND TACK OF SAID TRACT 262 THENCE SOMATA 230 FEET e- / f� !\ I \I PARALLEL WITH THE WEST BOUNDARY Of SAID TRACT E P THENCE EAST 90 FEET PARALLEL WITH THE NORTH R4 PN NAIL UNE OF SAID TRACT;THENCE NORTH 135 FEET I V� J 0 \ �,FT/TI I!I \\ \ / r IRON PIPE PARALLEL WfIN SAID WEST UNE;THENCE WEST 90 7 HOUSE I \�.^ I1\ \ \ \ 1 • 0 NATURAL GAS NETER FEET 262 THE EXCEPT OF SOUTH 3G. "'�iiii I6 W POWER POLE BITT 0000LINC THEREOF AND;EXCEPT ETFNT PORTION TRACT 262. I o I i 44" 1 1\\\ \ \ \ \\ LI i „ TANK I \ \ DESCRIBED AS FOL1Ow4 C082ENCWG 60 FEET EAST NORM y / I ¢ POWER POLE AWN OROPLNE.AND TRANSFORMER e OF THE NORTHWEST CORNER THEREOF;THENCE �^ \ I \ g SOUTH FOLLOW/0 THE REST UNE OF SAID TRACT / II°L \ I I 1 I� 1O5 FEET;THENCE FO101RNO THE NORTH UNE OF �.rARAG(�I \ I TS-8 POWER POLE WON LIGHT SAID TRACT 90 FEET THENCE NORTH FOLLOWING THE �' I GG,1111(/ 1 WEST UNE OF 5Y0 TRACT 1J5 FEET TO THE NORTH 5.5'WOOD / I I 1 I I I I I I I I o L B STORY DRAM CATCH BAYN UNE THEREOF;THENCE WEST ALONG THE NORTH UNE 09'07'20•E FENCE 189.60' " _ I / I 1 \ \ \ R ® STOPu DRNN uANHOE I Y 90 FEET TO THE POOR OF BFONNMG AND LESS THE I 1 1 r 1 ` I I I I 1 I I,I III / I I 1 \ \ \ STO BOB THENOREOF;AN TRACT 100 FEET OF THE EYEASCEPT THE RLY 2NOREET 200I• / I I \ I ero1AARFEET THEREOF. I I I I I I 1 1 I I I 1 I I I I\I I •—"'1N9 I I I \ \ 1 I 1 I I / I I I I \\ I I 1 1 I I I I I I i / \ \ I I \ I a 51411E SCAN I R BASIS OF BEARINGS / / / I I \ I I III \ \ \ I I \ \ \ I I 0 SANITARY SERER MANHOLE I ' BEARNGS_HEREON ARE BASED ON CITY M1OLR[NTON I J I 1 1 \ yI I I I \ \ \ \ \ \Li I �61 TELEPHONE RISER/PEDISTAL CPS SURVEY CONTROL NETWORK uONUYENK 283 III��—/ 1 I� 1-I 1 /13-I 1 " \my- \ \ \ • w A 4- CONIFER TREE 0133 I01 S%III/ // / / / / I1 II II J /_1 z_ 1 1 \ I' per DECmuDU51REE O BASIS OF ELEVATION /// / / / / 11 I I I 1 \ 1 I \ 1 1 11 p SHRUB m l 6 ELEVATIONS CAPS SURVEY CREONTROL NETWORK ONINEN S.REM°N /I / / / / / I I I IIIII �t I I )• I I I I / I I \2$ ® TELEVISION JUNCTLON BOB, �, 9 BESEIRAA O 1034 TOP OF BRASS NAIL SET M i I I / / / / I 1 I \ ` / / I • \ 1 0 FIRE NVDRANT • til �� CONCRETE YONUYENT AT INTERSECTION OF JONES 1 I I I / / 1 I - AVENUE N.E.AND NE.24TH STREET.ELEVATION. I I I I I / / / l \ I II / / / / / \., n HOSE BIB Z 244.34 55550 19ee US FOOT. I / 1 I 1 / ` / I 01 WATER DETER '- I I 1 I / / / I I I I I I ,/^\ -�N 89T}'58'i 25258' / I I S 114 WATER VALVE Z UTILITY NOTES O HFENCERE '-ro1 I I I II \\ I I I I I / „u- y —G- NATURAL GAS LFIE STORY DRAINAGE CATCH BASH I�ro 30'" 2 / v°F AEI TAIp NMI RIM EL INVERT EL I 001 300.72 B 12.CONE w.299.01 I / I / I I I 1 I I ``RB4y _ —0— STORY DRAM LINE IE 6'CONE Sw-299.29 IE 12"CONE E-29904 I I ,•1 I \ \ I / I __ - �n —w— WATER SINE • 2 1002 295.02 IF 12"CUP C-291.27 ` —1r AREA 3 1024�2Be.18 IE 12'PVC NE-2e553 1 I \ \ ( 1 I I I 8 — BURIED POWER C 12'PVC w-265.46 - II \ \ I / I I -^` __/— TELEPHONE AREAEQUA EOS JSKRES.WITHIN DELINEATED BOUNDARY •11562 265.70 R 6.6.P P S.282.97 6370 "I \ \ \ \ I I I I \ / V. —•— ORERHCOO PORER UNE - Q STORY DRNN4GE YANNOI[ 1 \\\ \ \ I I I I I I \ / --WE. —s— SANITARY SERER UNE I . TADII WTI RtY EL wvERT EL III \\ \\\\\I.... L I \ \ I\ aX-/....... /---ti mN PAVEMENT 1 1 1000 302.65 It 12'PVC N-293OS E 6"_PVC R-29]0] I I \ \ \ \ \ \ _- _ _ ® CONCRETE 2 11026 266.33 IE 8.CCODNCN`NN28123 5 I1\\ \\ \ / \ I I 1\\ \\/ /-- USE ENCROACH/FEW.AREA BERG USED Tfr ADJACEHT I 9:12.PVC W-2B055 OWNER TO THE NORTH. 0 swum SOWER YAIMOIE 111 \ \ \\\I\\ 1 1 I II 1..._---___ .....\ ' / • / • O TALI,PNOI RIB El.. 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SPREADER ,I 1 \ . • SCARCE.CASCADE cONrARdg I I PRELIMINARY SITE GRADING AND STORM DRAINAGE PLAN PRELIMINARY WATER AND SANITARY SEWER PLAN CI NOT FOR CONSTRUCTION o ^A APPROVALS JOB m. 150215-0t 1 r' 1/��I1T-ZSDt t A tlf+ uca To*. DATE DFc..er lo,law rows.. DRAWING NO. !/�(.lIIL11LH11KV\ PRELIMINARY PLAT Lr+;••:�,.T •PRELIMINARY SITE GRADING, STORM DRAINAGE Investment Properies,LLC vivo.'ty ` . DC 00 CT, . B. Low TWAT,.D4[NA*..,,N,, ,„n•,e, ,,D,, „,,,. t. �� WATER AND SANITARY SEWER'PLAN PP-4 DI1175. . . s.mlA S SOLO . r,,..(SOR))]•-S]A] • Da IMS7]3E-IaAO tall UV la2a MORTNEAsr z•IN STaTT • •r RAT tv.. SCALE[NICH .40 = ...HAW-wlT.e.• Root,WA vox •a r•'eon.. ..I. sceLc t•-•o- SHEET NO. ` ....s r.,. _ O- 20•0 60 rOCT 4 OF 4 mr,..L W 1I-e. • City,of Renton P/B/PWDepartment Env . rental Review Committee Staff Report SHOREWOOD PRELIMINARY PLAT __ LUA-99-187,PP,ECF REPORT AND DECISION OFFEBRUARY 8,2000 Page2 of 9 IV'.w[rz cr. wv!' L ? 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HE! , a 217H ..- ST. { •'. .•:i .�`m:fq :tI ill I�0 ]:, r� 'VD C iI:?i16l ®, "zi `� �3 "*. i 71�a1� �' II •• 'x W =^'---W " --=9 n N.E 2'JRD T. o I. iIij .'b-. o ..rr sI E Av. o "0 etvg, • ,� ,. �c i„ p w• ES to.''wr` _ !aD sr .•" 7:• ... .. 11— ` ' i1 I 0. .:g. .0194 263 273 262 �--. ° a I.1 7J I .."'• 10 .tg„- : , . ',3'cncsac is j 9 23 •V wJ '1'y4` •• •'• r O f e4''�� 272 Hsi2 • ' • Q \'''. Q•r.�;:...., f�� 1....w.. 1 • mac, -,-- • 1 -1. .4- il.: a �.°fie i ¢ •• k :d it *�.il•� i ]+1 � • ui ]s �• $ 7 .., 6'.? C -i�.T.•4 ��.I • .�)Y.�L� +aims + i•. TWI 1 I,. !i',• .TL :- ••; 11, T• 1 ia•q I _naij• •`:. .., 6 NE.- -.. 20TH.. .. .3L'H w •I • Q ;,:I _.. .L7.1 L Fi"a- :1! IILF43J�� j.L-264 • - e'. •fit.�.. `� 1.i •-a 1 •.,: ` ri%'!f I •271 n. { '....�.y -....� � x . ®...1 .a�'T"•cCl�l Exist.'Bldg. Area gsf.' Existing structures to be Proposed New Bldg.Area gsf N/A demolished. Site Area: 189,486 sf(4.35 acre) Total Building Area gsf.• N/A RECOMMENDATION Staff Recommend that the Environmental Review Committee issue a Determination of Non-Significance—Mitigated. B. RECOMMENDATION Based on analysis of probable impacts from the •roposal, staff recommend that the responsible officials make the following environmental determination: • DETERMINATION OF v DETERMINATION OF NON-SIGNIFICANCE • NON-SIGNIFICANCE-MITIGATED. Issue DNS with 14 day Appeal Period. 4, Issue DNS-M with 14 day Appeal Period. Issue DNS-M with 15 day Comment Period followed by a 14 day Appeal Period. C. MITIGATION MEASURES 1. The applicant shall pay the applicable Transportation Mitigation Fee at the rate of$75.00 per each new average weekday trip attributable to the project, estimated to be 9.55 average weekday trips per new residence.The Transportation Mitigation Fee is due prior to the recording of the plat. • ercrpt.doc CITY OF 1RNTON PLANNINGBUILDING/PUBLIC WORKS MEMORANDUM DATE: February 1, 2000 . TO: Elizabeth Higgins FROM: Sonja J.Fesser SUBJECT: Shorewood Prelimin ry Nat,LUA-99-187,PP Format and Legal Decription Review Bob Mac Onie and I have reviewed the above referenced long plat submittal and have the following comments: Comments for the Applicant: The legal description, noted on Sheet 3 of 4 of the pr liminary submittal, contains an error. See the attachment. Information needed for.final plat approval includes the following: Note the City of Renton land use action number(LUi-XX-XXX-FP) and the city's land record number(LND-10-0349)on the drawing. The type size used for the land record number should be smaller than that used for the land use action number Please note that the land use action number for the final plat will be different from the preliminary plat, and is unknown as of this date. Tie to the City of Renton Survey Control Network. The geometry will be checked when the ties are provided. Provide plat and lot closure calculations. . Complete City of Renton Monument Cards, with reference points for all new right-of-way monuments set as part of the plat. Include a statement of equipment and procedures used, per WAC 332-130-100. Indicate what has been, or is to be, set at the corners f the proposed lots. \\TS SERVER\SYS2\COMMON\H:\FILE.SYS\LND\10\0349\RV000127.doc January 28, 2000 Page 2 Note the date the existing monuments were visited,per WAC 332-130-150-1.f.iv. and what was found. Note the plat and tract numbers of the properties to the east,west and south of the subject property. Note all easements, agreements and covenants of record on the drawing. Note discrepancies between bearings and distances o record and those measured or calculated, if ally. Note to whom new easements are to be granted(priv to or city-held). The city will provide addresses for the proposed lots fter the preliminary review. The addresses will need to be noted on the drawing. On the final plat submittal, remove all references to t ees,utility facilities,topog lines and other items not directly impacting the subdivision. These i ems are provided only for preliminary plat approval. Required City of Renton signatures(for approval of le plat) include the Administrator of Planning/Building/Public Works,the Mayor and the City Clerk. An approval block for the city's Finance Director is also required. The appropriate King County approvals need to be noted on the drawing also. The owners of the subject property need to sign the final plat document. Include notary blocks as needed. Include a dedication/certification block on the drawing. Because the subject property falls within Zone 2 of"e City of Renton Aquifer Protection Area,the Aquifer Protection Notice needs to be noted on the d awing. See the attachment. An updated Plat Certificate will be required, dated w thin 45 days of Council action on approval of the plat. Note that if there are restrictive covenants or agreem nts to others as part of this subdivision,they can be recorded concurrently with the plat. The plat drawing and the associated document(s)are to be given to the Project Manager as a package. The plat shall have the first recording number. The recording number(s) for the associated document(s)will be referenced on the plat in the appropriate locations. If new easements are shown for the benefit of future wners of the proposed lots,then include the following statement,juxtaposed to the subject easem nts: "Area for private(water, sewer, utilities, access, etc.) easement." Since the new lots created v a this plat are under common ownership at the time of recording,there can be no easement until suc i time as ownership of one of the lots is conveyed to others,together with and/or subject to specific easement rights. T January 28, 2000 Page 3 Also, add the following Declaration of Covenant language on the face of the subject drawing, if the previous paragraph applies: DECLARATION OF COVENANT. The owner of the land embraced within this pla:, in return for the benefit to accrue from this subdivision, by signing hereon covenants and agrees to convey the beneficial interest in the new easement shown on this plat to any and all future purchasers of the lots, or of any subdivisions thereof. This coven nt shall run with the land as shown on this plat. Comments for the Project Manager: A separate recorded document is not required for a road maintenance easement(for proposed Lots 4 and 5). It can be noted on the plat drawing. Fee Review Comments: The Fee Review Sheet for this preliminary review is provided for your use and information. City of on Department of Planning/Building/Publi irks ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: 1>>yv( . s_k (L C<_3 COMMENTS DUE: JANUARY 28, 2000 APPLICATION NO: LUA-99-187,PP,ECF DATE CIRCULATED: JANUARY 06, 2000 APPLICANT: Blaine Miller/Investment Properties LLC PROJECT MANAGER: Elizabeth Higgins 17er PROJECT TITLE: Shorewood Preliminary Plat WORK ORDER NO: 78625 LOCATION: 1917& 1929 NE 24th Street cf/T'y 1gn SITE AREA: 4.35 acres BUILDING AREA(gross): N/A /Tr Li/ SUMMARY OF PROPOSAL:The project proponent, Investment Properties LLC, has requested subdivision of a 4.354.6a property into 28 lots suitable for detached single-family homes. The site is in a Residential 8 (R-8)Zone. Two existing houses will be removed. Modification of street standards has been requested. 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 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 02/01/00 08:31FAX 1206328185 RCA/HUI -ZOLLARS 001/001 HUITT- A OLLARS 814 EAST PIKE STREET SEATTLE,WA 98122 VOICE: 206/324-5500 • I FAX: 206/328-1880 FAX ' • SMITTAL TO: • Elizabeth Higgins COMPANY: City of Renton PHONE: 425-430-7382 FAX: 425-430-7300 FROM: Carl Stixrood GS RE: Shorewood Subdivision DATE: January 31, 2000 JOB#: CC Blaine Miller 253-631-6438 NUMBER OF PAGES INCLUDING THIS ONE: MESSAGE: Dear Elizabeth This memo is to clarify the approach Huitt-Zollars u ed in determining road length in our preliminary plat drawings. I checked the reference you mentioned in the Geot-chnical report that"the proposed cul de sac will extend about 750 feet south and southwest from th- site entrance."This measurement is from the centerline of NE 24th Street to the extreme end of the cul-de-sac.The maximum cul-de-sac length allowed in the development guide is 700 feet.We d d not find measurement standards for cul-de-sacs in the Renton Development Guide or Standard Plans o we asked about measurement approach in the preliminary review meeting,The direction we discu sed at that time was that the 700 foot maximum length would be measured from the edge of the N 24th St Right of Way to the center of the cul-de-sac. Accordingly,we designed the cul-de-sac to be 670 eet from the edge of right of way to center of cul-de- sac. We just checked standard practice in King County. rawing 1-007 of the King County Road Standards shows measuring cul-de-sac length from the cente, of the right of way to the center of the cul-de-sac. This approach yields a length of 700 feet for the Sh•rewood subdivision cul-de-sac. Please let me know if further clarification is desirab e or if we have misinterpreted or overlooked applicable measurement standards.We look forwa d to receiving further comments on our preliminary plat submittal. Thanks Carl IF YOU DO NOT RECEIVE ALL MATERIAL B I G TRANSMITTED,PLEASE CALL 206/324-5500 Li13027501M.,M.n.W I-0Dtl.e CITY OF Legal Documents ( )plic ble)Shorewood Subdivisi r ;, 1917 and 1929 NE 24th St DC 22 Evy� Renton,WAs-��%e -a.7 Q L \Q FL trA-) Lug - The following text describes the general provisions intended for the legal documents and easements associated with the preliminary plat. Proposed Restrictive Covenants Restrictive covenants may be developed to control owner alterations to homes. These are not deemed applicable to the subdivision action. A homeowners association will be established with the responsibility for maintaining the storm water retention vaults in accordance with City Requirements and for annual maintenance (cleaning and cartridge replacement) for the storm water quality treatment facility. Draft Deeds to City for any land to be dedicated The only land to be dedicated to the City is the right of way for the proposed street and cul-de-sac. This will be accomplished through recording of the final plat. Proposed Easements 1. A four-foot wide easement outside the right of way will be provided to accommodate sidewalk, lighting and utilities. The easement will allow public access to the sidewalk. Access by the City and private utilities will be allowed for the purpose of sidewalk and utility maintenance and replacement. Restoration to original paved surface or grass surface will be required following maintenance activities. 2. A 15-foot wide sanitary sewer easement will be provided along the property line of lots one and two. The easement will allow the City access for the purpose of sewer line maintenance and replacement. Restoration to a grass surface will be required following maintenance activities. 3. A 20-foot wide private access easement to accommodate a 12' wide paved driveway serving lots four and five will be provided across lot three and a portion of lot five. 4. A ten-foot wide storm drainage easement will be provided along the west property line of lot 23. The easement will allow the City access for the purpose of storm drain line maintenance and replacement. Restoration to a grass surface will be required. 5. A ten-foot wide storm drainage easement will be provided along the property line of lots 15 and 16 and the south property line of lot 16. The easement will allow the City access for the purpose of storm drain line maintenance and replacement. Restoration to a grass surface will be required following maintenance activities.The easement will include an area at the south west corner of the plat sufficient to accommodate a level spreader for storm water discharge. q/ke"' CA'1U1 6(40 itLe ilf\r f() 1) fl\k" I (/1/1 • Carl Stixrood LS 12/13/99 J:\15027501\cws\Prelim plat Narrative.doc �" tc i C — — 77.7.3?- - - ...,. . _ CITY IF RENTON ..I. ,+ Planning/Building/Public Works Department Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator January 27, 2000 Mr. John Collins WSDOT Northwest Region 15700 Dayton Avenue North, MS 250 PO Box 330310 Seattle,WA 98133-9710 SUBJECT: Shorewood Preliminary Plat Project No. LUA-99-187,PP,ECF RE: WSDOT Letter dated January 21, 2000 from Craig J. Stone, P.E. Dear Mr. Collins: Per Mr. Stone's request, enclosed herewith is the Traffic Impact Analysis for the above subject project. Please contact me, at(425)430-7382, if you have any questions. Sincerely, /%?7,1-(-4* M e� Ellizabeth Higgins,AICP Project Manager • Doc n1oRt2 1055 South Grady Way-.Renton,"Washington 98055 WAI; Washington State Northwest Region Department of Transportation 15700 Dayton Avenue North Sid Morrison P.O. Box 330310 Secretary of Transportation Seattle,WA 98133-9710 (206)440-4000 January 21, 2000 Elizabeth Higgins DEVELOPMENT PLANNING City of Renton CITY OF RENTON Development Services Division JAN 1055 S Grady Way a 2000 Renton, WA 98055-3232 RECEIVED RE: SR 405, vic. MP 6.10, CS 1743 Shorewood Preliminary Plat, Land Use No. LUA-99-187, PP, ECF Dear Ms. Higgins: Thank you for giving us the opportunity to reiview the Notice of Application for the Shorewood Preliminary Plat, which is located at 1917 and 1929 NE 24`h Street. The State would like the opportunity to review the traffic study prepared in response to the City's requirement. We recommend that he analysis include state intersections that are impacted by ten or more of the project's enerated peak hour trips and what mitigation measures, if any,would be required. The copy of the traffic study may be sent to: John Collins WSDOT Northwest Region 15700 Dayton Ave. N, MS 250 P.O. Box 330310 Seattle, WA 98133-9710 If you have any questions,please call John at(206) 440-4915. Sincerely, Craig J. Stone, P.E. Area Administrator- South King CJS:jc JTC cc: file HUITT- OLLARS 814 EAST PIKE STREET SEATTLE,WA 98122 VOICE: 206/324-5500 FAX: 206/328-1880 DycCO,0 �'pFNTA TRANS ITTAL 0 f 4® PROJECT NAME: 1 Shorewood Subdivision PROJECT NUMBER: 15027501 ATTN: Elizabeth River Higgins, Senior Planner COMPANY: City of Renton Development Services Division Development/Planning Renton City Hall, 6th Fl 1055 South Grady Way Renton,WA 98055 253-425-430-7382 FROM: Carl Stixrood DATE: 01/06/00 C: Blaine Miller, Investment Properties WE ARE FORWARDING THE FOLLOWING: DRAWING No. Cows TITLE OR DESCRIPTION DATE SIZE 3 Traffic Impact Analysis 1/5/00 8.5x11 COMMENTS: Elizabeth The Traffic Study for the Shorewood subdivision proposal is attached as we discussed. Please call with any questions. Thank You Carl t11502750i¢wsuatfo study aons.doo HU LLARS, INC. 814 East Pike Street �C dIE4 Gu J Dla F - sh rTra[� 814 East Seattle,Washington 98122-3893 (206) 324-5500 DATE I/z4.00 JOB NO. ATTENTION TyU z.et Tit- V-I tiv-eS E.d-1 torn 1 RE TO CAT-f OF- 12-tk1T0k1 -r-r5c=f1 - 'f-0.19'f f'LA1)AJ1hi03011 . 1N)V17U1 .1.-V . do s 5 1Drr�v�.J1W S�rf.�l iL to") tZ--15-r.JTOA) C. IT'C RALt.-(oT h+ .L • pLANNIN `0 SS 20(fir & P-C wA1- CITY OF REN10 .. IZZaJTok)1 .: WA 1'8o5'5' 11,11 Z '7 2000 WE ARE SENDING YOU XAttached 0 Under separate cover via the following iteFrts .r EIVED ❑ Shop drawings 0 Prints 0 Plans 0 Samples 0 Specifications ❑ Copy of letter 0 Change order 0 COPIES DATE NO. DESCRIPTION 1 VSo -r IC. I'-PALT AVOAL'fSIS THESE ARE TRANSMITTED as checked below: ❑ For approval 0 Approved as submitted 0 Resubmit copies for approval ❑ For your use 0 Approved as noted 0 Submit copies for distribution As requested 0 Returned for corrections 0 Return corrected prints ❑ For review and comment 0 O FOR BIDS DUE 19 0 PRINTS RETURNED AFTER LOAN TO US REMARKS COPY TO /34 -Al iU - '- \Li-A.E.v- z,it.,/gr...6....81/I A�)Vl��.� /'I/1-Arr P e-r-,�s SIGNED: It enclosures are not as noted. kindly notify us at once. ' 1 • 4y ®fF CITY F RENTON Planning/Building/Public Works Department Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator January 12, 2000 • , • . RECEIVED : . :JAN 14 'OO Superintendent's Office Renton School District#403 'OFFICE Uh 1 H:, SUPERINTENDEN 300 SW 7th Street • Renton,WA 98055-2307 Subject: Shorewood Preliminary Plat, LU .99-187 • ' The City,of Renton Development Services Divi ion has received'an application for:a 28-lot single family subdivision to be located on a 4.35 acre property that has two single family ' residences on it at the present time. The prop rty is located in a Residential'8 Zone in northeast Renton at 1917 and 1929 NE 24th St eet. • • In order to process this application, the Devel 9 pment Services Division needs to know which • Renton schools would be attended by childre living in•residences at the location indicated above. Would you please fill in the appropriat schools on the list below and return this letter • to my attention, Development Services Division, City of Renton, 1055.South Grady Way, Renton, Washington,98055: Elementary School: Kennydale Middle School: McKnight. High School: Hazen Will the schools you have indicated be able tip handle the impact of the, additional students estimated to come from the proposed developnlient? Yes xx No, . Any Comments: , • Thank you for providing this important inform tion. . If.you have any questions regarding this project, please contact me at (425) 430-7382. ' Sincerely, DEVELOPMENT PLANNING Elizabeth River Higgins, AICP CRYOF RENTON Senior Planner JAN :I- ,1 ' OUP. RECEIVED school% ikec , 1055 South'Grady Way-Renton,Washington 98055 �: This paper contains 50%reycled material,20%post consumer ' • City of Re,: __, Department of P nning/Building/Public M _.: ENVIRONMENTAL & DEVELOPME T APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: fur, eVieurey\--4G OMMENTS DUE: JANUARY 28, 2000 APPLICATION NO: LUA-99-187,PP,ECF ATE CIRCULATED: JANUARY 06,2000 APPLICANT: Blaine Miller/Investment Properties LLC ROJECT MANAGER: Elizabeth His•, e""' ni II PROJECT TITLE: Shorewood Preliminary Plat WORK ORDER NO: 78625 .2000 LOCATION: 1917&1929 NE 24t Street SITE AREA: 4.35 acres I BUILDING AREA(gross): N/A rTV d\- 'r jy 11J \RE SUMMARY OF PROPOSAL:The project proponent, Investmentroperties LLC, has requested subdivision of a 4.35-acre property into 28 lots suitable for detached single-family home . The site is in a Residential 8 (R-8)Zone. Two existing houses will be removed. Modification of street standards has been requested. 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 ca4‘e--k-ed 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 roposa. Corgeffit/ -.7(901 Signature of Director or Authorized Representativ ' a. Date routing Rev.10/93 CI'llY OF RENTON FIRE PREVVENTION BUREAU , ME ORANDUM 1 DATE: January 12, 2000 • TO: Elizabeth Higgins, Senio i Planner FROM: Corey Thomas, Plans Re iew Inspector SUBJECT: Shorewood Preliminary ' at MITIGATION ITEMS: 1. A fire mitigation fee of$488.00 is required for all new single-family structures. FIRE CODE REQUIREMENTS: 1. A fire hydrant with 1000 GPM fire flow is required within 300 feet of all new single-family structures. If th building square footage exceeds 3600 square feet in area, the minim m fire flow increases to 1500 GPM and requires two hydrants within 30 feet of the structures. 2. Access roadway exceeds 500-feet ead end. All dwellings beyond 500- feet, lots 10 through 20, require the i stallation of an approved fire sprinkler system. These lots will require a minimum 1-inch domestic water meter in order to serve the fire sprinkler system. City of Rer., _ Department of PI nning/Building/Public IN ENVIRONMENTAL & DEVELOPME T APPLICATION REVIEW SHEET REVIEWING DEPARTMENT:S \ CA -r- OMMENTS DUE: JANUARY 28, 2000 APPLICATION NO: LUA-99-187,PP,ECF DATE CIRCULATED: JANUARY 06,2000 APPLICANT: Blaine Miller/Investment Properties LLC PROJECT MANAGER: Elizabeth Higgins''OP i PROJECT TITLE: Shorewood Preliminary Plat WORK ORDER NO: 78625 + � LOCATION: 1917& 1929 NE 24th Street M'i i 0-Vo o `6,4SITE AREA: 4.35 acres I BUILDING AREA(gross): N/A �I�&+'tlawlt4 SUMMARY OF PROPOSAL:The project proponent, Investment Properti LL C,LC, has requested subdivision o cre property into 28 lots suitable for detached single-family homes. The site is in a Residential 8 (R-8)Zone—Two existing houses will be removed. Modification of street standards has peen requested. 1 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 try"" Animals Transportation Environmental Health Public Services Energy/ Historic/Cultural Natural Resources Preservation Airport Environment 10,000 Feet . 14,000 Feet B. POLICY-RELATED COMMENTS 1t r -e Se,/i-t- 1-1 D s-( 'v 1 a-i/' c ci c , Vii-) o 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 wheree dditional information is needed to properly assess this proposa`. 4/ 774/— Signature of Director or Authorized Representative / Date routing Rev.10/93 Investment P operties,LLC Environme tal Review Preliminary lat/26 Lots Monterey Ave. E &NE 24th St. // January 31,2000 SEWER(Comments): The Sewer System Development connect on charge is $16,380.00. To be paid when the.1. iConstruction permit is issued. The side sewers to have a minimum of 2% lope to the property line. All utility plans must comply with the City of Renton Drafting S : dards. V 3• The sanitary sewer to have a minimum sep.ration from water of 10-feet. It is required to have a 7.5-foot separation from other utilities. /4. Show finished floor elevations on the sewer construction plan sheet. 5. Vertical profile of sewer main will be requi ed. STORM DRAINAGE: L.--r The Storm System Development connectio charge is $10,780.00. (�2< Construction Drawing sheet size, is to be 2 x 34. -3' Developer to insure level spreader is in an easement or public Right-of-Way. Comments as aquired from the Storm Water Divisi n: 4. VPlease explain more clearly,in the text,wh re to find the backup calculations for the water quality sizing by referencing the appropriat section or page. . 'The applicant proposes to route the post-de eloped runoff from the east and west basins off the site without detention. Even though the ff from these areas is small,the drainage report must still account for them, and the calcula ions must clearly show that post-developed runoff does not exceed pre-developed runoff for th 2-, 10-and 100-year events. . ✓ The detention/WQ facility will be in public OW but must be maintained by the homeowners association. The homeowners must be req fired to maintain the storm facility even though it is in public public ROW. . V Why does the applicant want to use a sto water filtration system? This is probably unacceptable, as the City has not yet adop d its use for water quality treatment. The use of this system would require the approval of a Code Modification Alteration Request. A wetvault facility combined with the proposed detenti 4 n vaults is the recommended approach to meet code requirements. The applicant may want to check with the eotechnical engineer regarding directing the roof phij-ki drains into dry wells. The geotechnical eng eer recommends conveying roof runoff directly to tiiiAL4 OCM014S.DOC\ the storm drain;however,the soil borings indicate the soils are primarily silty sands and should be ideal for infiltration. 1 /Excluding the lateral pipes,the main storm drain must be a 12-inch minimum pipe(Section v 4.1.4-3, 1990 King County Surface Water Design Manual). ho the existing flow paths for each of th- basins on the drainage map. ____6/ The licant must include sizing calculati.ns for the proposed dryer wellsbased on the largest ?.. `1 p°posed roof area an Ow how they will .e sited on the storm drain plan. Also,include a 4 �, profile an etails sheet. Written comments need to explain how the above i -ms are addressed. 00cm0 14s OOCM014S.DOC\ PROPERTY .WVICES FEE REVIEW FOR SUBDI' '[ONS No. 2000 - ooc.. APPLICANT: Laic),.ALIT,µal 1)A,P47 �i i ►V>=S-�'Maal l�' -p1� s 71=- . l�) RECEIVED FROM (date) JOB ADDRESS: Ic1l7 142cl Li ?AMA. air • WO# 7f36E.S ;CURE OF WORK: 2.. 1 or Li nu p1 Azr LONG -'y�%�t7 LND# I O - PRELIMINARY REVIEW O SUBDIVISION BY PLAT, ED MORE INFORMATION: 0 LEGAL DESCRIPTION SHORT PLAT,BINDING SITE PLAN,ETC. 0 PID N's 0 VICINITY MAP ❑ FINAL REVIEW OF SUBDIVISION,THIS REVIEW REPLAC 0 SQUARE FOOTAGE 0 OTHER PRELIMINARY FEE REVIEW DATED 0 FRONT FOOTAGE 2822 0 NEW KING CO.TAX ACCT.#(s)are required CI SUBJECT PROPERTY PARENT PID#33434o-Z7ro3q 'red when --28ZD assigned by King County. It is the intent of this development fee analysis to put the developer/owner on notice,that the fees quoted below may be applicable to the subject site upon development of the property. All quoted fees are potential charges that may be due and payable at the time the construction permit is issued to install the on-site and off-site improvements(i.e.underground utilities,street improvements,etc.) Triggering mechanisms for the SDC fees will be based on current City ordinances and determined by the applicable Utility Section. Please note that these fees are subject to change without notice. Final fees will be based on rates in effect at time of Building Permit/Construction Permit application. ❑ The existing house on SP Lot# ,addressed as has not previously paid SDC fees,due to connection to City utilities prior to.xistance of SDC fee Ord. SP Lot# will be subject to future SDC fees if triggering mechanisms are touched within current City Ordinances. We understand that this subdivision is in the preliminary stage and tlli t we will have the opportunity to review it again before recordation. The following quoted fees do NOT include inspection fees,side sewer permits,r/w permit fees or the cost of water meters. SPECIAL ASSESSMENT DISTRICT PARCEL METHOD OF ASSESSMENT ASSESSMENT DISTRICTS NO. NO. ASSESSMENT UNITS OR FEE Latecomer Agreement(pvt)WATER Latecomer Agreement(pvt)WASTEWATER Latecomer Agreement(pvt)OTHER Special Assessment District/WATER _ .�' .trol-4 I ol=i q?.cad- .g55.oa+ll�I 1 X es Special Assessment District/WASTEWATER Joint Use Agreement(METRO) Local Improvement District _ + Traffic Benefit Zones $75.00 PER TRIP,CALCULATED BY TRANSPORTATION FUTURE OBLIGATIONS SYSTEM DEVELOPMENT CHARGE-WATER ❑ Estimated #OF UNITS/ SDC FEE 0 Pd Prey. 0 Partially Pd(Ltd Exemption) 0 Never Pd SQ.FTG. Single family residential$850/unit x ec, 2e,I oo.00 Mobile home dwelling unit$680/unit in park Apartment,Condo$510/unit not in CD or COR zones x Commercial/Industrial, $0.113/sq.ft.of property(not less than$850.00)x Boeing,by Special Agreement/Footprint of Bldg plus 15 ft perimeter(2,800 GpM threshold) SYSTEM DEVELOPMENT CHARGE-WASTEWATER 0 Estimated Cl Pd Prey. 0 Partially Pd(Ltd Exemption) I'f Never Pd Single family residential$585/unit x 2 16.380.00 Mobile home dwelling unit$468/unit x Apartment,Condo$350/unit not in CD or COR zones x Commercial/Industrial$0.078/sq.ft.of property x(not less than$585.00) SYSTEM DEVELOPMENT CHARGE-SURFACEWATER 0 Estimated ❑Pd Prey. ❑Partially Pd(Ltd Exemption) d Never Pd • Single family residential and mobile home dwelling unit$385/unit a 88 t 10,780.00 All other properties$0.129sq ft of new impervious area of property x (not less than$385.00) , pp � ZZ • I PRELIMINARY TOTAL $ UU(6�� c7Kmo I/27/00 �e 0 Signatuy�of R sewing Authority A m 0 UU n o o *If subject property is within an LID,it is developers responsibility to check with the Finance Dept.for paid/un-paid status. ❑ Square footage figures are taken from the King County Assessor s map and are subject to change. 8 h Cl Current City SDC fee charges apply to F�.. 4 p 0 c:/template/feeappl/tgb EFFECTIVE July 16,1995/Ord.Nos.4506,4 07,4508,4525,and 4526 City of R n..:n Department of P nning/Building/Public b'vork'S ENVIRONMENTAL & DEVELOPME T APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: &Spc a-"to CI OMMENTS DUE: JANUARY 28, 2000 APPLICATION NO: LUA-99-187,PP,ECF • DATE CIRCULATED: JANUARY 06,2000 I APPLICANT: Blaine Miller/Investment Properties LLC PROJECT MANAGER: Elizabeth Higgins,0 O�fl; pON PROJECT TITLE: Shorewood Preliminary Plat WORK ORDER NO: 78625 R51,"^ LOCATION: 1917&1929 NE 24th Street Jiiii ? 4 _Z(r,06 I SITE AREA: 4.35 acres I BUILDING AREA(gross): N/A l2"-Imt4iee W SUMMARY OF PROPOSAL:The project ro onent, Investment roperties LLC, has requested subdivision�bf" 4.�t property into 28 lots suitable fordtached single-family home . The site is in a Residential 8 (R-8)Zone. Two existing houses will be removed. Modification of street standards has been requested. 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 -PJ `-a-,t eG [n. l— — -lei,'V' y �,V 1 e_4 Cam-:-,f li-r • C. CODE-RELATED COMMENTS We have reviewed this application with particular attention to those areas irl which we have expertise and have identified areas of probable impact or areas where additional information is neededee� to properly assess this propose'. ?- _ //,..Ve7 O Signature of Director or Authorized Representa' e Date routing Rev.10/93 { Shore food-Plat Investment P operties,LLC Environm•nt Review Preliminary I'lat/28 Lots Monterey Ave. E &NE 24th St. Janua '13, 1999 TRANSPORTATION: �1. The Transportation Mitigation fee is $18,6'2. See attachment for calculations. `,2. All electrical and communication facilities o be underground behind the sidewalk. If right-of- way space is not available then in a utility :asement. Street length over 700-feet in length is req fired to have two means of access and fire sprinklers 3. s required for all houses beyond 500-feet. Code 4-6-060G(2). 14. Street lighting required to meet City stand.rds. Minimum lighting level is 6:1 uniformity ratio and 0.2 ft.-candle level. The street lighting conduit to be located under the sidewalk. Jf/' Minimum right-of-way width is 42-feet.,✓, The Cul-de-sac is required to have a • um pavement radius of 45-feet and right-of-way radius of 55-feet. 7. A 5-foot sidewalk at the curb required,inside the plat and a 6-foot sidewalk on N.E. 24th St. with a 5-foot planter strip between the curb and sidewalk. 00cm005T 00CM005T.DOC1 , 1 • &hil_11%) ? v;ff::wnvi:::{•:::•.v:+:w:;:::...:. ...L.................:. n.M.:..:•r:::.v:::::i.4::::-}.:::::r:x}iSSiiik?i}: :4:}rr•j�{?$i:4:+8:'?v:'•}:•}^ii'r.v ..i :?• •: •. •: : :......;{; ,'.: ^•:r v}....}-i:•:{.... }}:•'fi:-JS•Y{n;:'r.}}};{rn}y:•.}}%. yr v:+:r{.:}:...};}..;.v...... .. .: {• ?{ .. ... ...v v. •. :::. Y... ..}A:;:• :•:�'4i:{•:m:;i}•:fi;r{.}:•i:{.:i�}:•: •. ii�tki} �'A.. .. .�:11�....N1 .T ��k '{Ql�... ...EE ilamoim .............................:...............................:.................:.................................................................................................................. Project Name S Itovea)Cod P/ Project Address ,q e 4 lU C Contact Person 131u�vie /L(1I/t2 IJ,vesttica=“ ` /)Yo(eVneJ 4Q. , Address P.O. &i( qg 7 , Kta. ff) L( - Phone Number 253 630 — 7y 12 Permit Number L OA - qq-i g 7 Project Description Z / srwy(e -fa Ki► hi P lam Z 2Xi57�� Grouses . • Land Use Type: - Method of Calculation: C"Residential l'ITE Trip Generation Manual �t' 55 �1 /v7 ❑ Retail • 0 Traffic Study • ❑ Non-retail 0 Other Calculation: JI��T z ave✓ai%e'ai/7 7 ( ZS2-- Z) (l. S S ) = 2y .3- 3 t✓i pJ. f At $75 , ,if✓le ( $7 ) ( 2yS.3) _ $ I , 642 • 5 0 J 622 . sv Transportation Mitigation� ) Fee: i • Calculated by: /V ` �/ Date: I/o/Dv Account Number: Date of Payment 7 I City of RE..._:I Department of PI nning/Building/Public 4 ,.„s ENVIRONMENTAL & DEVELOPME T APPLICATION REVIEW SHEET REVIEWING DEPARTMENT:CoG- SeNtce/3 COMMENTS DUE: JANUARY 28, 2000 APPLICATION NO: LUA-99-187,PP,ECF BATE CIRCULATED: JANUARY 06,2000 APPLICANT: Blaine Miller/Investment Properties LLC PROJECT MANAGER: Elizabeth Higgins PROJECT TITLE: Shorewood Preliminary Plat WORK ORDER NO: 78625 CITY or h ro LOCATION: 1917&1929.NE 24th Street SITE AREA: 4.35 acres I BUILDING AREA(gross): N/A JAN ( (1 ;+900 SUMMARY OF PROPOSAL:The project proponent, Investment Properties LLC, has requestjy'sion.of a 4.35-acre property into 28 lots suitable for detached single-family homesL The site is in a Residential 8 (R-8)Zerlef:4iTvwoetaiNing houses will be removed. Modification of street standards has been requested. 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 • /14/ C. CODE-RELATED COMMENTS lb ern, u TA Pe/2 Gi.Y g6d?cii ) We have reviewed this application with particular attention to those areas ir which we have expertise and have identified areas of probable impact or areas wh additional information is needed to properly assess this proposa. /ot) gnature of Director r uthorized Representative Date routing Rev.10/93 City of Ren Department of Planning/Building/Public We v • ENVIRONMENTAL & DL - .ILOPMENT APPLICATIC REVIEW SHEET REVIEWING DEPARTMENT: ThALA CQMMENTS DUE: JANUARY 28, 2000 APPLICATION NO: LUA-99-187,PP,ECF DATE CIRCULATED: JANUARY 06,2000 APPLICANT: Blaine Miller/Investment Properties LLC PROJECT MANAGER: Elizabeth Higgins PROJECT TITLE: Shorewood Preliminary Plat WORK ORDER NO: 78625 LOCATION: 1917& 1929 NE 24th Street SITE AREA: 4.35 acres I BUILDING AREA(gross): N/A SUMMARY OF PROPOSAL:The project proponent Investment Properties LLC, has requested subdivision of a 4.35-acre property r usesywlll be 8emosuitable ed a Modification of street single-family homes. has be The equesin da Residential 8 (R-8)Zone. Two existing houses A. ENVIRONMENTAL IMPACT(e.g. Non-Code) COMMENTS Elementnvirona the Prnrble Probable More Element of the Probable Probable More Environment Minoror Information Impacts Impacts NeInfcessary Environment Impacts lImpacts Necessary tmpaets lmpaets 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 y4 ,,Y,A,V1fL.-COL r/D c/( )7) 1f10 /C--06 /-ei B. POLICY-RELATED COMMENTS dam,/ /7 nai-p /7 /5.3c. 76 -5(ATLetzrru& ./21,4-(6/-1/n cc/ 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 here additional information ' n eded to property assess this proposa'. /1/„ ( a ,...... l/f 7//q7 Signature of Director or Autho ,ed Represen tive Date Rev.10/93 routing t// City of Rt.....,.: Department of Planning/Building/Public 1. ENVIRONMENTAL & DEVELOPMEIT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT: LCohotwc' eip • OMMENTS DUE: JANUARY 28, 2000 APPLICATION NO: LUA-99-187,PP,ECF mATE CIRCULATED: JANUARY 06,2000 APPLICANT: Blaine Miller/Investment Properties LLC PROJECT MANAGER: Elizabeth I-lig anss i,..: ,: PROJECT TITLE: Shorewood Preliminary Plat WORK ORDER NO: 78625 LOCATION: 1917& 1929 NE 24th Street F JAAl 1 i 4000 SITE AREA: 4.35 acres BUILDING AREA(gross): N/A I cc- SUMMARY OF PROPOSAL:The project proponent, Investment Properties LLC, has requested s�ubEfivision.of a 4.35-acre property into 28 lots suitable for detached single-family homes. The site is in a Residential 8 (R-8)Zone. Two-existing houses will be removed. Modification of street standards has been requested. 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 (Vc (1�01 1 LY 1551J, . �. S 7_37_,1 7 t L eL i—ovrU ldlJC� C. CODE-RELATED COMMENTS We haver sewed thl' tion with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas w ere additi ion ' eded to properly assess this proposa'. /075/C6 Signature of rector or Au rized Representative Date routing Rev,10/93 • City of Rene - Department of Panning/Building/Public W ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET REVIEWING DEPARTMENT:---RaIA,R00l — (.))a- COMMENTS DUE: JANUARY 28, 2000 APPLICATION NO: LUA-99-187,PP,ECF DATE CIRCULATED: JANUARY 06,2000 APPLICANT: Blaine Miller/Investment Properties LLC PROJECT MANAGER: Elizabeth Higgins PROJECT TITLE: Shorewood Preliminary Plat WIORK ORDER NO: 78625 'XTV LOCATION: 1917&1929 NE 24th Street TA SITE AREA: 4.35 acres I UILDING AREA(gross): N/A JP ° SUMMARY OF PROPOSAL:The project proponent, Investment roperties LLC, has requested subdivision anvil P4, property into 28 lots suitable for detached single-family home . The site is in a Residential 8(R-8STikkeYTho existing houses will be removed. Modification of street standards has been requested. 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 J/ 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 HI G vri )tt FOY Y e V l B. POLICY-RELATED COMMENTS • C. CODE-RELATED COMMENTS We have reviewed this application with particular attention to those areas irf which we have expertise and have identified areas of probable impact or areas where ad ition I inform tion is needed to properly assess this proposal Signature of Director or Authorized Representative Date routing Rev.10/93 J Shorewood Preliminary Plat Investment P operties,LLC Environm nt Review Preliminary lat/28 Lots Monterey Ave.NE&NE 24th St. January 13, 1999 WATER: J1. The Water System Development Service c rge is$850 per single family residence. The total amount is due when the Construction pens t is issued. Total amount.is$22,1000.00. J 2. Label the existing water line in NE 24th St. as a 12-inch asbestos cement water line. /3. The water main into the plat must be la ge enough to accommodate the required fire flow /4. , assigned by the Fire Prevention office. At the proposed connection to the existing 2-inch water line in NE 24th St. add a valve on the west and south leg of the connection. 5. One fire hydrant is required within 300-fee' of each residence. 00cm005W 00CM005 W.DOC\ 0 • Milliiii11111111111111111111111111111.11111111,1PP1.0.0009.1111111111111111111111.1111111.111111.1.4.4111g#111 iii•USTI F U RRQU D ��.. . l�..f. et.o#':tt��sui�e�t.s�e.....................................................:<:>::>::>:::>:><::>:::»:::: PROJECT NAME: OOP Ste2t71\Il StO L APPLICATION NO: LUA ° 99 o 1SlJ Ppi CLr, The following is a list of property owners within 300 feet of the subject site. The Development Services Division will notify these individuals of the propose. development. NAME • ADDRESS ASSESSOR'S PARCEL • NUMBER s � AT1—AGtNo itr-,—'J—r lei I Cl" iEC22i 51 r'gd R;a.,..,,Cy'.,x.,PI" • lisQ,01a.al? : vyy � Oft ..• �i.te It' ' • • (Attach additional sheets, if necessary) • . .- (Continued) • NAME . ADDRESS ASSESSOR'S PARCEL NUMBER • • Applicant Certification I, G,ATT—[ D k,XC,F_.OQt , hereby certify that the above list(s) of adjacent property (Print Name) owners and their addresses were obtained from: Title Company Records 0 King County Assessors Records Signed Date , D IHB NOTARY �'� ATTESTED• Subscribe and sworn before me, a Notary Public, i$ar i for a of 1Rlasiington residing at VI on the IV day "t poa , 19 al %j;s4� Signed A-, iqj • 1• .....``�. ••.. (Notary Public) �i� �f yi►pS ‘\‘‘ ‘ • .»:::»»::»>::»>::>::»::>:::>::;:<::::::«<><::>:::»<:::»:<:>:<:;:::..:...........;»>:�>•:»::;»»::>::>:.Fcr..Cit...Af.Ren.tAn se .;;:.;:.;:.<;:;:;::;:<::>:<;:;:;:::»::;>::::::...........:.. V I, � E hereby certify that notices ofthe proposed applteation were malted;;p:«:;::;::<;<:<::«::; �ach::.I�sted:.: .ra'ert:::�.caner::::An:::;.........................................._.......................................:.............::...: :..:.::::::.::.::::::::':':';:':'>:.»:':'>:':':':'>:'>:';::::::::::: ;::�g.nec€;,:::: �t,#�..:.:.�............. '....... ................................:.;:.:�;:.;:.:.;:.;:.;:.;:.;Date,;:..:............�.................... ..................;•:;::;;::.::::::::::::::::::::::;. ...................................... TI= ' :»>:Subscrtbeet:>and<:sworn:>befote>:rrte>:: <::Nota::;> tbltc<::In:::artd<::fo.t:t. >; • • listprop.doc REV 07/98 MARILYN KAMCHEFF MY APPOINTMENT EXPIRES:6-29-03 2 01P 2 334390-3600-09 BARTELL ROBERT H 1725 NE 24TH ST RENTON 98056 3 334390-3601-08 STERANS BRAIN 2216 JONES AVE NE RENTON 98056 4 334390-3602-07 TAYLOR LORRAINE/UW 2208 JONES AVE NE RENTON 98056 425/226-4577 6 334390-3203-00 UNBEDACHT JEFFREY B 2120 JONES AVE NE RENTON 98056 7 334390-3201-02 CORE DOUGLAS C 1828 NE 20TH ST RENTON 98056 8 334390-2720-06 CHAMBERLAIN TIMOTHY/UN 1832 NE 20TH ST RENTON 98056 9 334390-2721-05 BLONSKI MICHAEL D 1908 NE 20TH ST RENTON 98056 425/271-7087 10 334390-2360-01 WEIGEL VIVIAN A 11930 NE 20TH ST RENTON 98056 11 334390-1924-02 GIBSON CHARLES E 12008 NE 20TH ST RENTON 98056 425/255-3049 12 334390-2364-07 VANCE BRIAN D 12133 ABERDEEN AVE NE RENTON 98056 425/271-0872 13 334390-2365-06 VANCE CHRISTINE TRUST 12129 ABERDEEN AVE NE RENTON 98056 14 334390-1925-01 ARCHER D 0 2127 ABERDEEN AVE NE RENTON 98056 425/226-2832 15 334390-1927-09 ROBERTO PATRICIA R 2123 ABERDEEN AVE NE RENTON 98056 425/228-0996 is 334390-1961-06 COLLINS WILLIAM V 2201 ABERDEEN AVE NE RENTON 98056 17 334390-1959-00 HUGHES HARRY B 2213 ABERDEEN AVE NE RENTON 98056 425/271-7490 18 334390-1960-07 OLSON STANLEY 2217 ABERDEEN AVE NE RENTON 98056 425/255-7878 19 334390-1963-04 CARR MARK S CARR MICHAEIJ 2309 ABERDEEN AVE NE RENTON 98056 20 334390-1962-05 KWAN JOHNNY C 12021 NE 24TH ST RENTON 98056 21 334390-2321-09 CARR MARKS CARR MICHAEL 22 334390-2322-08 LANDE SHANE MARY DARLENI 23 334390-2323-07 JELLEY ISAAC N 2009 NE 24TH ST RENTON 98056 24 334390-2320-00 WATSON MICHAEL DOUGLAS 1929 NE 24TH ST RENTON 98056 25 334390-2760-07 LANDE SHANE MARY DARLEN 26 334390-3162-09 CAVE ROBERT N 27 334390-3160-01 CAVE ROBERT N 1813 NE 24TH ST RENTON 98056 28 334390-2761-06 ZIRK LEOMA J 1833 NE 24TH ST RENTON 98056 425/255-2958 29 334390-2762-05 • ROWE CHARLES J 11909 NE 24TH ST RENTON 98056 425/271-3858 30 334390-2763-04 LAPLANT HOWARD H 11917 NE 24TH ST RENTON 98056 31 334390-2003-04 • ROHDE DON B' 12401 ABERDEEN AVE NE RENTON 98056 32 334390-2001-06 -DYMARKOWSKI DANIEL B 2020 NE 24TH ST RENTON 98056 33 334390-2002-05 RALLISON STEPHEN F/HW 2016 NE 24TH ST RENTON 98056 425/235-8157 34 334390-3121-09 • BLUNDRED JAMES C JR/HW 1800 NE 24TH ST RENTON 98056 425/226-2183 35 334390-2283-05 JACKSON KIMBERLY K S 2421 MONTEREY AVE N RENTON 98056 36 334390-2281-07 GILLEY WILLIAM D JR 2417 MONTEREY AVE N RENTON 98056 37 334390-2004-03 OLIVER JON A 2409 ABERDEEN AVE NE RENTON 98056 425/226-5983 38 334390-2007-00 SMITH RONALD L 12427 ABERDEEN AVE NE RENTON 98056 39 802620-0030-03 LARSON JERRY 0 12418 MONTEREY AVE N RENTON 98056 425/255-4394 40 802620-0020-05 WILGUS MICHAEL R 12412 MONTEREY AVE N RENTON 98056 41 802620-0010-07 PO TSANG W 2406 MONTEREY AVE N RENTON 98056 42 802620-0120-04 BAKKO JOHNNY R 1922 NE 24TH ST RENTON 98056 43 813210-0100-01 DINKINS VERONICA B 2413 KENNEWICK PL NE RENTON 98056 44 813210-0140-03 BROOKS CARL E 2414 KENNEWICK PL NE RENTON 98056 45 813210-0130-05 COWAN JACK L 1908 NE 24TH ST RENTON 98056 46 813210-0120-07 COWAN JACK L 47 813210-0110-09 COWAN JOHN 1830 NE 24TH ST RENTON 98056 48 813210-0100-01 ' :: DINKINS VERONICA B 2413 KENNEWICK PL NE RENTON 98056 ©1996 Win2Data 2000 Page: 1 of 1 Q � 2. Shallow drainage swals ehnt; faIntercept surface water flow and route the flow away from the construction area to a stabilized dischar__--___- Vegetation growth shall be established In the ditch by seeding or placing sod.Depending an site grades,it may be necessary to line the ditch with rock to protect the ditch from erosion + end to reduce flow rates. The design and construction of drainage swals shall conform to the specifications 1 - presented In Section 4.4.1 of the 1990 SWOM. Temporary pipe systems can also be used to convey stornwater N,v0• across the site. This will be required during the construction of both off-site end on-site Improvements as well as . building construction. NOTICE OF APPLICATION 3. The project contractor shall perform daily review and maintenance of all erosion and sedimentation control measures • at the site during the construction of both off-site and on-site Improvements as well as building construction. AND PROPOSED DETERMINATION OF NON- 4. Weekly reports on the status and condition of the erosion control plan with any recommendations of change or revision SIGNIFICANCE(DNS-M) to maintenance schedules or Installation shall be submitted by the project Engineer of record to the public works Inspector for the construction of the civil Improvements of the plat. Certification of the Installation,maintenance and proper removal of the erosion control facilities shall be required odor to recording of the plat. • • 5. The applicant shall pay the applicable Transportation Mitigation Fee at the rate of$75.00 per each new average DATE: January 10,2000 weekday trip attributable to the project,estimated to be 9.55 average weekday trips per new residence.The Transportation Mitigation Fee is due prior to the recording of the plat. LAND USE NUMBER: LUA-99-187,PP,ECF 6. The applicant shall pay the appropriate Fire Mitigation Fee ate rate of$488.00 per each new single family residential APPLICATION NAME: SHOREWOOD PRELIMINARY PLAT lot created by the proposed plat.The fee is due prior to the recording of the plat. PROJECT DESCRIPTION: The project proponent,Investment Properties LLC,has requested subdivision of 7• The applicant shall pay the appropriate Parka Mitigation Fee at the rate of$530.76 per each new single family a 4.35-acre property Into 28 lots suitable for detached single-family homes.The site is in a Residential 8(R-8)Zone.Two residential let.The fee Is due prior to the recording of the plat. existing houses will be removed.A modification of street standards has been requested to reduce a public right-of-way to 42'(from 50'). The project will be reviewed by the City of Renton Environmental Review Committee and the Hearing Comments on the above application must be submitted In writing to Ms.Elizabeth Higgins,AICP,Senior Planner, Examiner. Development Services Division,Sixth Floor,Renton City Hall,1055 South Grady Way,Renton,WA 98055,by 5:0a PROJECT LOCATION: 1917 and 1929 NE 24m Street PM on January 24,2000.This matter Is also scheduled for a public hearing on February 22,2000,at 9:00 AM, Council Chambers,Seventh Floor,Renton City Hall,1055 South Grady Way,Renton.If you are Interested In OPTIONAL DETERMINATION OF NON-SIGNIFICANCE,MFTIGATED(DNS,M):As the Lead Agency,the City of attending the hearing,please contact the Development Services Division,(425)430-7282,to ensure that the Renton has determined that significant environmental impacts are unlikely to result from the proposed project.Therefore, hearing has not been rescheduled.If comments cannot be submitted In writing by the date Indicated above,you as permitted under the RCW 43.21C.110,the City of Renton is using the Optional DNS(M)process to give notice that a may still appear at the hearing and present your comments on the proposal before the Hearing Examiner.If you DNS-M is likely to be Issued.Comment periods for the project and the proposed DNS-M are integrated into a single have questions about this proposal,or wish to be made a Party of Record and receive additional Information by comment period.There will be no comment period following the Issuance of the Threshold Determination of Non- mall,please contact Ms.Higgins.Anyone who submits written comments will automatically become a Party of Significance Mitigated(DNS-M).A 14-day appeal period will follow the issuance of the DNS-M. Record and will be notified of any decision on this project. PERMIT APPUCATION DATE: December 22,1999 CONTACT PERSON: ELIZABETH HIGGINS,AICP (425)430.7382 ' NOTICE OF COMPLETE APPLICATION: January 10,2000 . PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION ' Permits/Review Requested: Environmental(SEPA)Review; Other Permits which may be required: Building and Construction Permits,Building Permit for Retaining Walls _ __ a���•1,,,_ � (over four feet in height).Routine Vegetation Management Permit s9,a ] ' A,. a --tt��- Requested Studies: Traffic Study.Geotechnical Engineering Report,Drainage Report /, �6 i I ,, �,a'• P•-I fr.7 0m :`'' Loth m Ij i s ! Location where application may ..r,:a •nfqi --�a -be reviewed: Planning/Building/Public Works Division,Development Services Department, +i "«ti� ••. •• B!¢8•: .__o Sixth Floor,Renton City Hall,1055 South Grady Way,Renton,WA 98055 " `.1 :• t•.t ' 1• U, .=macPUBLIC HEARING: A public hearing has been scheduled for February 22,2000,before the Renton pe+ •• ' Q� -�Hearing Examiner in Renton Council Chambers.Hearings begin at 9:00 AM en yo, ,r'_,�.'r a ,the 7th floor of Renton City Hall located at 1055 Grady Way South. a ,,, Ij }h mlm° .CONSISTENCY OVERVIEW: .m. ,. C.f.:a ' Land Use: Residential 8 dwelling units per net acre(R-8)Zone "s' •• i�;i� a`- a o �°' m 9 ;m 9v�•,• rt�-# •' �[ II Ill .e4 .eE ... x2L'•�t[t� 1 Comprehensive Plan Designation: Residential Single Family(RSF) \ ',I6j . e '^•9�i{§{7•t•q Environmental Documents that \ :'I •.Y+ �j.d7▪ • Evaluate the Proposed Project: Traffic Study,Geotechnical Engineering Report,Drainage Report \ 1l', a .:e =.... +• - •`•e, a. a.. .,'-' 1 4' a, tip Development Regulations • -_ I;I 14Wa. V"I ��8; E[�•... 'W :, z. g i Used For Project Mitigation: State Environmental Policy Act(SEPA),City of Renton Municipal Code,King • •- III ; - j, ' ,e.•• 1,B, . '(9' County Surface Water Design Manual g -I 77 e ?.•4'➢•1'J f Q• -_:al- 1 Y �1 (• •..CAY _.dC® S.' °- .' ::11 Proposed Mitigation Measures: /r' 65 ®,;i m .e - '- 7" '' I',I -ai c•:'' .• �,„ ;' .at,L- s..'m•ml'ee"i` 1. The applicant shall install a silt fence along the downslope perimeter of the area that is to be disturbed.The silt fence r7 III I 0 / I • --4 ,m..:a B'a 4y . . '4. shall be in place before clearing and grading is initiated,and shall be constructed in conformance with the , 4 '••1 I 9 j• !�'y fit a-;. fl p i[ ' specifications presented in Section D.4.3.1 of the 1990 King County Surface Water Design Manual,Appendix D.This g a?:. .4, p Q e 7&i will be required during the construction of both off-site and on-site Improvements was well as building construction. - N. ---@II H..:4I .., } ▪9 ,..-.". 4!,a•^a, 'l q b ..F. � I` -I� NOTICE OF PROPOSED ENVIRONMENTAL APPUCATION r/, '"'''I' Ili dFo-.- s.'c•-' -S`•,��. a-.• '1 =.C 1 S.e„5'it , NOTICE OF Pf Id , - . CERTIFICATION I, Lis IAN N j c h j iniftereby certify that '3 copies of the above document were posted by me in ,' conspicuous places on or nearby the described property on . v ID-, • • . Signed: //bf4,/f,4 . .4 -i'Z'D ATTEST: Subcribed and sworn before me,a Nortary Public,in and fo thee3tate of Washington residing inp„(d8 , on the I c-( In- day of .. Zap o . `Yy1 CU-L.A.?... MARILYN KAMCHEFF MARILYN KAMCHEFF MY APPOINTMENT EXPIRES:6-29-03 NOTARY PUBLIC STATE.OF WASHINGTON COMMISSION EXPIRES JUNE 29, 2003 . NOTICE OF APPLICATION AND PROPOSED DETERMINATION OF NON- SIGNIFICANCE (DNS- ) DATE: January 10,2000 LAND USE NUMBER: LUA-99-187,PP,ECF APPLICATION NAME: SHOREWOOD PRELIMINARY PLAT PROJECT DESCRIPTION: The project proponent, Investment Prop rties LLC, has requested subdivision of a 4.35-acre property into 28 lots suitable for detached single-family homes. The site is in a Residential 8(R-8)Zone. Two existing houses will be removed. A modification of street standards has been requested to reduce a public right-of-way to 42' (from 50'). The project will be reviewed by the City of Renton Environmental Review Committee and the Hearing Examiner. PROJECT LOCATION: 1917 and 1929 NE 24th Street 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 43.21 C.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 ENS-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: December 22,1999 NOTICE OF COMPLETE APPLICATION: January 10,2000 Permits/Review Requested: Environmental(SEPA)Review; Other Permits which may be required: Building and Construction Permits,Building Permit for Retaining Walls (over four feet in height),Routine Vegetation Management Permit Requested Studies: Traffic Study,Geotechnical Engineering Report,Drainage Report Location where application may be reviewed: Planning/Building/Public Works Division, evelopment Services Department, Sixth Floor,Renton City Hall,1055 South rady Way,Renton,WA 98055 PUBLIC HEARING: A public hearing has been scheduled for February 22,2000,before the Renton Hearing Examiner in Renton Council Chambers. Hearings begin at 9:00 AM on the 7th floor of Renton City Hall located at 1055 Grady Way South. CONSISTENCY OVERVIEW: • Land Use: Residential 8 dwelling units per net acre(R-8)Zone Comprehensive Plan Designation: Residential Single Family(RSF) Environmental Documents that Evaluate the Proposed Project: Traffic Study,Geotechnical Engineering Report,Drainage Report Development Regulations 4 Used For Project Mitigation: State Environmental Policy Act(SEPA),City of Renton Municipal Code,King County Surface Water Design Manual Proposed Mitigation Measures: 1. The applicant shall install a silt fence along the downslope perimeter of the areal that is to be disturbed. The silt fence shall be in place before clearing and grading is initiated, and shall be constructed in conformance with the specifications presented in Section D.4.3.1 of the 1990 King County Surface WIater Design Manual,Appendix D. This will be required during the construction of both off-site and on-site improvements was well as building construction. NOTICE OF PROPOSED ENVIRONMENTAL APPLICATION �/. •2. Shallow drainage swales shall be constructed to Iiit iCept surface water flow and route the flow away the construction area to a stabilized discharge point. Vegetation growth shall be established in the ditch by seeding or placing sod. Depending on site grades,it may be necessary to line the ditch with rock to protect the ditch from erosion and to reduce flow rates. The design and construction of drainage swales shall conform to the specifications presented in Section 4.4.1 of the 1990 SWDM. Temporary pipe systems an also be used to convey stormwater across the site. This will be required during the construction of both off-si a and on-site improvements as well as building construction. 3. The project contractor shall perform daily review and maintenance of all erosion and sedimentation control measures at the site during the construction of both off-site and on-site improvements a well as building construction. 4. Weekly reports on the status and condition of the erosion control plan with any recommendations of change or revision to maintenance schedules or installation shall be submitted by the project Engineer of record to the public works inspector for the construction of the civil improvements of the plat. Certification of the installation, maintenance and proper removal of the erosion control facilities shall be required prior to recording of the plat. 5. The applicant shall pay the applicable Transportation Mitigation Fee at the rate of $75.00 per each new average • weekday trip attributable to the project, estimated to be 9.55 average weekday trips per new residence. The Transportation Mitigation Fee is due prior to the recording of the plat. 6. The applicant shall.pay the appropriate Fire Mitigation Fee at a rate of$488.00 per,each new single family residential lot created by the proposed plat. The fee is due prior to the recording of the p+at. 7. The applicant shall pay the appropriate Parks Mitigation Fee at the rate f $530.76 per each new single family residential lot. The fee is due prior to the recording of the plat. Comments on the above application must be submitted in writing to Ms.Elizabeth Higgins,AICP,Senior Planner, Development Services Division,Sixth Floor,Renton City Hall,1055 South Gady Way,Renton,WA 98055,by 5:00 PM on January 24,2000. This matter is also scheduled for a public hearing on February 22,2000,at 9:00 AM, Council Chambers,Seventh Floor,Renton City Hall,1055 South Grady Way,(Renton. If you are interested in attending the hearing,please contact the Development Services Division,(425)430-7282,to ensure that the hearing has not been rescheduled. If comments cannot be submitted in writing by the date indicated above,you may still appear at the hearing and present your comments on the proposal before the Hearing Examiner. If you have questions about this proposal,or wish to be made a Party of Record and receive additional information by mail,please contact Ms.Higgins. Anyone who submits written comments will automatically become a Party of Record and will be notified of any decision on this project. CONTACT PERSON: ELIZABETH HIGGINS,AICP (425)430-7382 PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION , �. \^ .,: :. j1 v © ��!, l " 1;•,'c'1 �r'r �r'c- ..rr zsRI 9!' �..rz19-°'1®,r,PxrS,}eb I"1'F!bY• A m.,zzo zaie! 7 a. ___ ; r - 1 , 1 • � [7V .A ' • ,]• [ { ryT . 47 , T�� Sv Fix i,.'o.d0 �:" ,..".__1 : —_ ^.� ,. € - .4 7y']. Q, I I 0,a 2",_,_ ,_ -25Y19'. c .7 Ii ., :zl d� I g - �j7 �ns � - 24o 237 a[NCO L[ .-.::; p. ° i® '�/�'' ST i n `� ®a .I. 0 9 4 ti:� - :a tl ice: :'9' i!� .. ...tit.,..9 g a. r. .,z I/ , _1 ",.4 ' '',° .'t .gir-r IMP 2q§-'M I• 1ii "g'.. •.. rt : _ ryy-Z;w.„/:,14' K;;•Y1 W EI 174 LS. • I.0113 II n .. KE: • 2/TM 1 ST - "' •o I tE: i l: IQ 1" 1 Fr z -m, Q-v L.,01 I^I 111 TV �.. III ate® ® 4' -zla q^5);.1 202 i 5i3 .I ` .� .C tirS `E '9:i' W a' : '�„ a0 G'�.NE23RD ST..c� 9 PPP ... c .•W "' I i 1 - T',„y, 'C9}9a zss ns 2e2 :,Gr�..W MOM :Ay, °..zog 1 �. 1 yrm, ,,m I I I e• -' a96:, zT zw; 2 2 T.. '°' •tP`? W� ia' ,4 %'z3a C o .5}i��{ �+ Y 0 1 #-.. ,., �, a� ,.. ---,i ,. I:I ::'J i r' .lAv ,, � it s! I i • -T � s ill J 1; liVP.' - '.:VA- - a E3.,o ., i I .:ylI-'�,�,- 'II P� .:N�•- Y Abiln 207N., _ ., • .. .�" 1�' G Ii • 1] Y . I NE.19M.PL L_ ' -... 1:530 U�J"l•�W ... .I� III � 9- , I � --,. .... i >M•41 Lr ' .292-" 1.-� - , - .;. -�a `®W ai_''�\I 251� %.4�� .- :1: W El EN o 1. ,i WNOTICE OF P1j1 ''. fJ + .:.';:...:1--- .. �0. ,I . COPYRIGHT TROLL MAP COMPANY.NC.SEATTLE 1* tint it..t cJ'-T - �''!-'ter:•/ :.V: -1:. 7• i'. - 4 , x ,fY 'sa k 7 ! • E•C R TO N N• 1.1 'it♦-a. .ti•• _ f ... , .. ..it _'. •"= - Planru / u d ri'.<1Pu b1ic.Wo ks De_�artmen - ' • •_ __ Gregg Zimmerman l'E.,Administrator Jesse Tanner,Mayor _ .. •' 'January 10, 2000 Mr. Carl Stixrood RCA/Huitt-Zollars 814 East Pike Street Seattle,WA 98122 SUBJECT: Shorewood Preliminary Plat Project No. LUA-99-187, PP, ECF Dear Mr. Stixrood: The Development Planning Section of the Cii(y 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 y the Environmental Review Committee on February 1, 2000. Prior to that review, you vliill be notified if any additional information is required to continue processing your application. The date of Tuesday, February 22, 2000, at 9:00 AM, has been set for a public hearing to review the above-referenced matter. The hearing, before Mr. Fred Kaufman, Renton Hearing Examiner, will be held in the Council Chambers on the seventh floor of City Hall. The applicant or representative(s) of the applicant is required to be present at the public hearing. A copy of the staff report will be miled to yod one week before the hearing. If the Environmental Determination is appealed, the appeal will be heard as part of this • public hearing. Please contact me, at(425)430-7382, if you ave any questions. Sincerely, Elizabeth Higgins,AICP Senior Planner cc: Mr. &Mrs. Howard LaPlant/Owners Ms. Mary Lande-Shane/Owner Mr. & Mrs. Michael WatsonOwners Mr. Blaine Miller/Investment Properti-s LLC Mr. Michael Lai; Mr. John Cowen acce•tance 1055 South Grady Way- ' enton,Washington 98055 ®This paper contains 50%reycled material,20%post consumer • • CITY OF RENTON. PLANNING/BUILIiING/PUBLIC WORKS : MEMORANDUM DATE: d,, Rq1 l ql TO: El FROM: Karen SUBJECT: New Land Use File Set-Up Please complete the following information to facilitate routing of file and application acceptance. If you have special form requirements or instructions, please write them in the "Comments" section. s Project Name: P/ed_Project hellyyl Manager: 0 . aite. o LUA (File) Number: LUA-99-r .1 j pp) F Applicant: Me,G6fl i os ` $ Lec__ Acceptance Date: n•,Q • L} ` P Date Circulation Requested: (i i' de, Date Comments Due: (714t, 20 i Work Order Number: 1 (NA 5 Function Number: ( � i $.Project Description: 7L fly o e,"e_..I� J ' s/ rro �r , 0 hV 1"ets�-s .G Sv6d�vi s/i.-- .0- 74.35 woe a e--- p1-aper ictil i4 i..v ) 28 4oi 5Vi?�w4IL 'd4f�Gh ede 5�v� Gt�•-,A.sh i yy. 4S . Pie- fe /a is 1 a- f'e5id 1t%t-/a (A-8) Lorne.). rvim € 4.st`7 h#vses kvi!/ b- 0 c 0 Site Location: /7/7 V- /92 9 Ne- 24-Z ST 0 0 Site Area: g- •3S Building Area (gross): N�� i o p Estimated ERC Date: .G� 2 5_ HEX Date: .�1, y� ��a DOT Notification Required: Yes ❑ No � Boeing Notification: Yes ❑ No 0 (Lori Pitzer) Airport Notification: Yes ❑ Noi-a Comments: 0 i E • Setup ::::::.:bgV, LAP. l=freT.. ltf f= ;:bLV f IU,.;.: :.:::..::..:::.:.:::. :,.::.::,....:........,.... .....,:.:.::::..,:: ... :. :x. ::2::::+:::::::;::i::::!:�:i::c!tiici:i:{t'i:isi:isi:iii:i$;$:, :i:i::;%i ::R ii `:i ';;;: �' `:: .. 1 j::; :;:;::: :::: .... :..�::::. .: _.:. :. ... ::::s:::::;n;::»:.>:: .. :::>::..;....:........:....,..:.::.::::::,.;::;.:::::::.o :::::::::::: :::..:::::::::::::::.� :..::..:...BAN D. .0��....P�� �`C:::.::.:::::::: � . . . :. . . :i:':Vj:::i:::i::'::i:ir:::'Si�i:i::?::•.:v...i::::'�::i�:ij::::l:�i'isi:::'sf(vi'isS::::,v?::?5�::::::: :: y�i:::.i'}�::5{::i:::ii:::%:::: i':::::::::till:'{::+':+j::'ri:i?:'is{�:'::':::i::::'t;i:`:.:::�i:::: .iii::: :i.i:h:i:i.:n:.:;:•:.•: ..:..:::....:.........:::.�:::..::: .. ..: ..:i:.iAPPLICATION : : : i ; i}ii}}::.i'.: .:�. ..........K� :.::::: :is...�;..r;•::: :::.:.:::�' �:i . ..:. ..:...... .. is' r PROPERTY OWNERS < '> <> '< .. <:>: :<>< >«°: ::::PROJECT INFO � ) . ... . .:.... RMATION Note .If there is more than one legal owner1 please attach an eddtttonal. ndfa�iied::Master:App(icettori<:faceach`ownec. :.. ....... .......:. ...:....::..:•:. PROJECT OR DEVELOPMENT NAME: NAME: ikOtic)KP- {-t; rA U R-I 1_A Ply nrr PROPERTY/PROJECT ADDRESS(S)/LOCATION: ADDRESS: , cl 1,-1 /VJD 19 191 `t IJ - Z F T1-4 iJOV--rtt�AST' 2-1-t CITY: ZIP: KING 'COUNTY L ASSESSOR'S_ 39 ACCOUNT r,3 BER(S): V- - 7i o t IAA 9005& wA-rsoa,1 33 L-+- 39O - z3Zb L-AJJPE 334-39o- 0-7 4. 23v2 TELEPHONE NUMBER: EXISTING LAND USE(S): LAPLA')T - SI►. LtL FP L.( t\OMr., W ticTSOPO APPLICANT {rf oilier khan own�rl : .... ��1vp� VP�rr PROPOSED LAND USES: NAME: t3L A I►d — r~A.L wF� -s7 t D(^�I�)r S L f. a►�L t�`f Iz�s1 p JT l nr_ . 7 j L_c-C IS Lo COMPANY(if applicable): EXISTING COMPREHENSIVE PLAN MAP DESIGNATION: jV V4-T ADDRESS: PROPOSED COMPREHENSIVE PLAN MAP DESIGNATION (if applicable): r0 lox ( 1 OAC. CITY: ZIP: So / I J07 EXISTING ZONING: t0�lS l D-/JT 1 L_ g TELEPHONE NUMBER: ZJ�- / 30 "" 7 4 L�- PROPOSED ZONING (if applicable): CONTACT PERSON �`� SITE AREA (SQ. FT. OR ACREAGE): NAME: COMPANY (if applicable): PROJECT VALUE: ' / - 1 -- Z OL L—A -5 siL -'�3 2 cOO t ADDRESS: HOME �1-15T�-VL` Q{ 1, NOT jp , 1 IS THE SITE LOCATED IN THE AQUIFER PROTECTION AREA? t 171 14F ' L-o 6-0,1- -lam I ).L Pc62 ►F Gam.. FR-oT-F--TIO t�) Zo1'.L E $ Z- CITY: ZIP: LJA. 1 IS THE SITE LOCATED IN ANY OTHER TYPE OF ENVIRONMENTALLY SENSITIVE AREA? kp1CATl=t, AS ?oras•nJTl6 z L.Y SF►-LSmva. Olt -r G1TYS SE-Ns LVE. TELEPHONE NUMBER: tL '/ AV-AG r'\AF fO� STV--5-r c7LOPE-S 2,0 - :..:.: .,:. LEGAL. :.DESCRL.pit;t:..:.......:.:.:.:..:::.:..:......:................ ....:. ..,. . PERTY {Attach separate sheet ifnecessar.; :::.::: <.>_: < :::; :: S-- AciT mot-\-►\-/V &fl DEVELOPMENT PL N:11NG CITY OF RENTON DEC 2 ? 1999 RECEIVED TYPE OF APPLICATION & FEES . .. . . Check all application types;that.apply4City.;staff:will determine fees _ANNEXATION $ SUBDIVISION: _ COMP. PLAN AMENDMENT $ _ REZONE $ _ LOT LINE ADJUSTMENT $ _ SPECIAL PERMIT $ _ SHORT PLAT $ _ i TEMPORARY PERMIT $ TENTATIVE PLAT $ _ CONDITIONAL USE PERMIT $ PRELIMINARY PLAT $a,coo _ SITE PLAN APPROVAL $ _ 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 Charoe _X ENVIRONMENTAL REVIEW $ 5p0. REVISION $ AF FIDAVIT OF OWNERSHIP I, (Print Name) _ , declare that I am (please check one)_the 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 end the information herewith submitted are in all respects true and correct to the best of my knowledge and belief. 0%%11lllllf///,� 0 s U D Y 0 'i/ ,^ `% •CpWIMISsjby sCol\TTEST: Subscribed.and sworn to before me, a Notary Public, in and 0()`r<1014 _ I Cn C-t: ,.ICe the :to of _ , ',,,r, esiding at (Name of Owner/Represe = NNDr -► + •• •n p .ative) _ q,9` m: l.f � theday of o o� . _ °r / IT (Signature of Owner/Representative) 0 ,;(5, 0,i...; `416,, _.,_ A+t.- • '',/ 11/4.:...9.... % i ' .f Mary P!.lic) ''/f //i gSHIN �� (Thl :se- I <::::>:::«:>::;:::: mpieted.b ::C :Sta€f ) : .: Y .It1r City FIIe Number : f7 A AAD g$P CAP S CAP U CPA CUA CU :H LLA MHP FPUO. 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':... ..........::; :{:.Y..::::,•n.::::.. v.;•::.:.:.. ::{.}i;•}}iY .. }i:. •4Y:{i{•i'?}i:6;:•:}'. -.: ..::::}: ::•};4}}}:}i}i;{.Y:•}:•}:{vey;:ni}:•i S:: .. .;: .. :i}Y•.5v:i: {;}..;.n..•,..... ::{{.}):-•}i;W;4:f:?;}:>i•:::SY}:i{:. :Y:{:ri::::: ••••••: Note tf'there antote then one Iegel,owner<please attach en additional] riotiaiYad:Mesfct.{Epp(ication:>foYeach ownec.> PROJECT OR DEVELOPMENT NAME: NAME: \-\-0LA)kizi7 {-t rAU R-IL IdaPISnJT PROPERTY/PROJECT ADDRESS(S)/LOCATION: ADDRESS: I c( -•' IcND 2f 191 `7 Of-- Z•4 Th IUaV---1t-f 1✓P ST 2-41 -I- KING COUNTY ASSESSOR'S ACCOUNT NUMBER(S): CITY: ZIP: L.4,Pr-AAT 33`4- 390- 213 12-En1TOKA I,JA 900.5 I.)ATo6.-} 33 4- 39 o- 7-32a PE- 09 23 tiZ TELEPHONE NUMBER: EXISTING USE(S): O 2 7�D • L.APLAPVT - S110(cL.I Fin^ L_( ttoMom. W hTS(2A) — S I N fA M1L-`( }{OMB- < A'PPLI,CANT ;{Ff other khan owner) ;>: ✓✓,.rope - VNrr PROPOSED LAND USES: NAME: Vl,ls- Sl . 7-e7 Lam' SuE PIV1� LOJ-3, COMPANY(if applicable): EXISTING COMPREHENSIVE PLAN MAP DESIGNATION: jVv -�i ME-K1T fg-OP TI1✓S rd\1"-A11,`S 1��SIl�ti= T'lAL ADDRESS: PROPOSED COMPREHENSIVE PLAN MAP DESIGNATION (if applicable): 1�✓O X (oLl 1 Okc. CITY: ZIP: EXISTING ZONING: lL fi�l.-1� L.J�4 BdloN -1oy87 SID�nJT Asc L- TELEPHONE NUMBER: Z/�_ G 3 J^ i1 1 Z PROPOSED ZONING (if applicable): J CONT(./ACTP-TERSON , SITE AREA (SQ. FT. OR ACREAGE): NAME: COMPANY (if appiicable): PROJECT VALUE: 17--(- ,/ 'i4Z50 -'�300coO t HOME Gil-�ST�vC—T t01-� NOT 0,4 ADDRESS: IS THE SITE LOCATED IN THE AQUIFER PROTECTION AREA? S1L ,- 171 L_oC.,dT6-t' ILA /tQI)IF ��OTE=�TIDn1 2-O/•1I: 4 2- CITY: ZIP: -T•ri 9 I�� IS THE SITE LOCATED IN ANY OTHER TYPE OF ENVIRONMENTALLY SENSITIVE AREA? ilJ1;:)16.A1-)=P:) AS QOT'1z�T1'�L L-Y p-.ISIrw E. o)J T'kk6 C- T'( S S5-/I1 TIVE TELEPHONE NUMBER: AY-FAS WRAP �OZ LiT� �P �71-OPi=S j - 32�{ SSOO � • i`YPE OF APPLiCATIQ & 1=EES Check all app1i i1tion types that apply--City staff:will.deterfnine fees. _ ANNEXATION $ SUBDIVISION: _ COMP. PLAN AMENDMENT S _ REZONE S _ LOT LINE ADJUSTMENT $ _ SPECIAL PERMIT S _ SHORT PLAT S _ TEMPORARY PERMIT S _ TENTATIVE PLAT S CONDITIONAL USE PERMIT S _ PRELIMINARY PLAT S SITE PLAN APPROVAL S FINAL PLAT $ _ GRADE & FILL PERMIT S (NO. CU. YDS: ) PLANNED UNIT DEVELOPMENT: S VARIANCE S (FROM SECTION: ) PRELIMINARY _WAIVER S _ FINAL _ WETLAND PERMIT S ROUTINE VEGETATION MOBILE HOME PARKS: S MANAGEMENT PERMIT S BINDING SITE PLAN S SHORELINE REVIEWS: _ SUBSTANTIAL DEVELOPMENT $ _ CONDITIONAL USE S VARIANCE S _ EXEMPTION $No Charce _ ENVIRONMENTAL REVIEW S REVISION $ AFFIDAVIT OF OWNERSHIP I, (Print Name) - 1 c2IGL , declare that I am (please check one) _the 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. f J ATTEST: Subscribed and sworn to before m� fPuti�ti�ni and for the S ate of �* residing at ��j����`' /A/O • on the Z -d f:''� (Na a of Owner/Representative) _ � Ss�alr'' (Signature of Owner/Representative) • (� V 1 Signature of Notary Public) I, ; c-!9-e1 - r t I I 1 Q`W A SHItC (This section to be completed by City Staff.) City File Number: A AAD BSP CAP-S CAP-U CPA CU-A CU-H ECF LLA MHP FPUD FP PP R RVMP SA-A SA-H SHPL-A SHPL-H ''SP SM SME TP ''V-A V-B V-H W TOTAL FEES: $ TOTAL POSTAGE PROVIDED: ''S MASTERAP.DOC REVISED 8,97 PM E l �^' y 3 4��{�W.. .. .......................... MORPNIE:gt '::::::::.::.�.�::::::::v:::...::::::::::::::::::.�:::.�::::::.�::::.�.�::::::::::n�.•.v.:::::.:�::.�::..:.�::::::::::::::.�::.::::vim:.�.�............n.......... .. PROPERTY: OWN Note : If there is more than sine legal:owner:please:attach an additional' notanzed'NFi3ster:Application:>for.eech`awnar. <. . PROJECT OR DEVELOPMENT NAME: NAME: Li L-- W RTcc4 PROPERTY/PROJECT ADDRESS(S)/LOCATION: ADDRESS: cl -7 PC BP 19 Zq • I I Z-9 k)E- 2y -I' �' i� T"tl�AS`T Z� -r KING COUNTYQAA ASSESSOR'S- 390- 2N. NUco MBER(S): CITY: ZIP: N WA �1 F O5{o QAT oki 334- 390 - Z3Ze? I-d�NP� 331f-390- Z7(,p 4- 2-3ti7-' TELEPHONE NUMBER: EXISTING LAND USE(S): - 2SS- 7�j 7 c-a PL-a - sl►�C,L-t Fa,�t L_-( tt o 1= APPLICANT (If otF er th n ownedEaRiiing.3.E L.AVUpe__ r vpz),„\ •- PROPOSED LAND USES: NAME: ta't-'kINV-- ,,,� ►L�F� ��1�rT s�� �t,� a►,,tt�� f�>z�nrrli - . L C gpIV Is l014 , COMPANY(if applicable): EXISTING COMPREHENSIVE PLAN MAP DESIGNATION: /V V;�T ►•A E&L'e' ris‘vk-n SI cle,or A L- ADDRESS: PROPOSED COMPREHENSIVE PLAN MAP DESIGNATION (if applicable): 1 ,D X (oL{ 1 1AC, CITY: ZIP: EXISTING ZONING: • Sl171-/JTIPc L TELEPHONE NUMBER: Zs3- G 20 - 7 4 I Z PROPOSED ZONING (if applicable): CONTACT PERSON. 1�4. SITE AREA (SQ. FT. OR ACREAGE): NAME: Cke 1-- ''�TI��OOP 1-I. ;5 At\ COMPANY (if applicable): PROJECT VALUE: fit,/ KVITt - ZO -A - 5 442_$9 - 300000t HOME c-oj-ISTg__JLTIo NOT" j 1�(C.1.0P 17 ADDRESS: I IS THE SITE LOCATED IN THE AQUIFER PROTECTION AREA? S14 I Il+� �T Low-f'6 d ILA /tat)IFGe. �'�OTELTIOrJ ZO1-1 E. :2 CITY: ZIP: „)A. I-2 -- IS THE SITE LOCATED IN ANY OTHER TYPE OF ENVIRONMENTALLY SENSITIVE AREA? I►Jp1CAlE- AS POT6-n1TIAL.L1' SDI-ItT(VE. oid THE G1TYIS t ti TELEPHONE NUMBER: Ar_EgS r-\Af' •r0 S-T��P SL.OPI=S 2�� - 5c00 LEGAL.I?ESCRINt.UI1I 0E PROPERTY {Attach sep l 'ate sheet If necessaryj. S ~- AxT A c,t-\-M-r`rr- Ac • TYPE OE APPLICATI•ON & FEES .Checkall application types.thatapply City staffwill 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 $ FINAL PLAT $ _ GRADE & FILL PERMIT $ ' (NO. CU. YDS: ) PLANNED UNIT DEVELOPMENT: $ _VARIANCE • $ (FROM SECTION: ) _ PRELIMINARY _WAIVER $ FINAL _WETLAND PERMIT $ ROUTINE VEGETATION — MANAGEMENT PERMIT $ MOBILE HOME PARKS: $ _ BINDING SITE PLAN $ SHORELINE REVIEWS: _ SUBSTANTIAL DEVELOPMENT $ _ CONDITIONAL USE $ _ VARIANCE $ — EXEMPTION $No Charge _X ENVIRONMENTAL REVIEW $ REVISION $ AFFIDAVIT OF OWNE•RSHIP I, (Print Name)4ra.j/7geL n: c.,4-154.), declare that I am (please check one) "e 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. D if �j tJ .tlay (3QOO46 ATTEST: Subsc ibed and sworn to before me, a Notary Public, in and T' .••'. for the State of residing at (Name of Owner/Representative) Ex'•.. G� A 04 U , on the�{-!�day of NxOTARy ' ? 19t. ';' /64r-------_. *: 4115.•deD *1 (Si ature f Owner/Representative N; �pUBL‘Go,:o:: . • 9r el.t2;2�'.C�~°.°° (Signatu a of N tary Public) S#•ZcOF WASH\„ q ?. -0 3 (This section to be .completed b Ctty Staff ) y File Number '' A AAD BSP CAPS CAP U CPA CU A CU.�H ECF...LLA MN Q:. FP I'P R RVMP SA A.< SA H SHPL,A.....SHPL:K SP:::>.:<SIVI.;:;:SME.::17:R ..V.-A.. ..y..E ...::: H< :3N::<::::: TOTAL FEES ::::::;;;:::>::;.:.,.;: ::..;:.:.:«:>.:.::;;;>:<;. . T TAL POSTAGEPRQVIDED $ ::: ::::.::......... MASTERAP.DOC REVISED 8/97 ? '0'6 ti'{•}Y?-}'4i!•}',:.:ni}:}'F-ry:4'::•Y::ig:}}g:::::}i}:•:4:•}}}}:}:Y:•Y!•}::::.. i}:•i:r.:'F.:vt0}}} :t{•){:.:;.Yr4':v'/.�i'Y 1�'.•:YJ:rriy'.,vt{p:•ii:4::.. ... •::.:::::-v::nv::.•.ist!ri!':{:}i%•:.Y:.n%.:rt4:6}Y.%.i'..:T%L!S:'.}}Yrr.' { .� ¢..n.:!.... ...,f. ,' ...............y,r}?3.1: !.Yrv:4:.v.:'}C.. :....5...Y.. ::vhv:{}.w:n•f.%•.¢.. r;}v.H.:/ •. ,{ ........,.•• r. .:. w::;n••.:.r ...{r......•;..//..4'n... .4..., y ... :.�{:4gkila : ENii x-};,.•:4:w:,v! 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'.:ii:,:}}:.'i:'r.irr}i:::{.}::}::}::i: ':}i:;}:;?:tiv:ii':S}:::•::iiSiyi:::::iix::, :.:.. YYY;•.4.:Y.F:i�:}..} ....... . : :{::Ly}Y:. ,:. :: .::>:>:::;:>::>:�?::>:::Y:::.:>:::k.>YY::{:<:: ::><:::>>>;:»�:>:::.»>::>;<:::>:::<:>::;:• .R ECT 1N.:.....�.::: f:�.RQPER'�Y.OWNER SL.::.�::.:.:::.�:.:.:..:::::::.:::. ;::::>':::;k:::»>::>;::::;::;::>:v;:Y::::::>k; ................:.. :.. ...FORMATION:...... ........:... Note If there la fnore thaohe legal owner,please attach en additional': notarize as et " ca o > er d.M t .Apple U n.for.e9cit':owrrn . .. ............................ . .... PROJECT OR DEVELOPMENT NAME: NAME: LI \l �Pr-f oN, __.. M1GRt\ --i- 17ou c„ .-P\5 1.J,evTo1- PROPERTY/PROJECT ADDRESS(S)/LOCATION: ADDRESS: '9 IJ PJD 19 2M I `l L9 fr 2y-r -c 1Jov-c't-I.F.-15,S`C Z,-t -T e-C'. CITY: ZIP: KING COUNTY ASSESSOR'S ACCOUNT NUMBER(S): 33-}- 390- 2l/c3 --F KA-r-011'r WAs 9 SLo5(. . k0A-roki 3314- 310 - Z3 Za TELEPHONE NUMBER: EXISTING USE(S): 390- Z7(OD 4. 2-3 ZZ �{Z-J�- ZSS - �7 LAPL.A - SI/J(. L-t FY.M1L'( EOM .. w,vr40 ) - SING LE- f,-AM1L1- HDM- APPLICANT (If other than owner).,: . LA \ p _ V r` PROPOSED LAND USES: NAME: sL.)g47►v 1S 10 ►--1 , COMPANY(if applicable): EXISTING COMPREHENSIVE PLAN MAP DESIGNATION: I/3\/z i rA>r&lT fF-OP TICS L-L-6-- GIYJE,-) •v�v1/4-A\u=c .Ir-- SI1:3a- flAI, ADDRESS: PROPOSED COMPREHENSIVE PLAN MAP DESIGNATION (if applicable) rO Y.O)C (o l tQA CITY: ILr_�-v ln)A ZIP: 9 SoloN -/ IJg7 EXISTING ZONING: `O i SID -nJT"1oN L g TELEPHONE NUMBER: �S3_ / 2O - 7�1 1 Z PROPOSED ZONING (if applicable): COONJTACT. PERSON . 1-4. . SITE AREA (SQ. FT. OR ACREAGE): NAME: A L-- ''`1•1)C'-°OP W. 5 'Pt,4--. • COMPANY (if applicable): PROJECT VALUE: HOME c_.0.l..- --c-g_ c%clo l.A NOT $WC.LUP ; ADDRESS: IS THE SITE LOCATED IN THE AQUIFER PROTECTION AREA? S14 171 KT -.1. LDC.-4.:T6-d I I..,1 e'cQ(..)IFGZ- FR-OTE TIOnJ z-ou E- 4 z CITY: ZIP: �GpcTLT_— 1J06,_ 16 I -2-- IS THE SITE LOCATED IN ANY OTHER TYPE OF ENVIRONMENTALLY SENSITIVE AREA? I►Jp1GAT-tom AS VorFoOTIAI,•t-"( S> 1-ISITIVE OKI -r GI,TY`S 6f--N 1TlVF- TELEPHONE NUMBER: AZ-EAS yAAI' O - ST ...F._P E Lt)PI=S 2.0!0 - 2f2-.,-{ —,S OO TYPE OF APPLICATION &;.SEES! ..::..::...: Cheek';all • application types 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 $ _ 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 ENVIRONMENTAL REVIEW $ REVISION $ AFFIDAVIT OF OWNERSHIP I, (Print Name)' ti/L1 L A) T eclare that I am (please check one) the owner of the property involved in this application, _the authorized representakive 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. �ottuanngny ._40 ST A Up ,�� r4, �� 0.cpSYpscf}IVd and sworn to before me, a Notary Public, in and ofi0 residing atC % �/1.��<' , on the N of Owner/Re s tative) fT'day of ' (Sig ature caner Representative) 'a,,$):• _.:,,:r ���.• , 4* •• iStft • gof Notary Public) (This section to be completed by City Staff.) City File Number: A AAD BSP CAP-S ; CAP-U CPA CU-A CU-H ;; ECF LLA MHP FPUD FP PP R RVMP SA-A SA-H SHPL-A SHPL-H SP SM SME TP _ V-A V-B V-H W TOTAL FEES: $ TOTAL POSTAGE PROVIDED: $ MASTERAP.DOC REVISED 8/97 , 12/08/99 13:53 FAX 12063281880 RCA/lit_ !'•1-ZOLLARS L{JJ. 00Z \........... ........ ................ .•... .r:..,.:. .,.. , ....«,.,..•...,.,. ,-.x•»�..: ems,_ .l. .r.../r w? ..1.. ..{C..r}.•>..:i.. ..4;:.i� rx4}» ,{:.:4?}::S;u�\:;t•>: >. •r., b rod. .L7..'P: •.-.c... - ,.$.S:• -? •�•'E:• � d•- ��?r� r �,^� .kr .. Y� ...r:«n... ... .... � � tY...� . . . I`. •, r .A«.. -�.n.n. ....:v:...i ^i(vnv(v. n,,...u.u.x., ...,rv(4, � Y" .:v.Y . .: r: FV_. ... .n"`if .g$�.,.<-;:,. c..u:.:..:,..r.. n:.•wi.:f:b>�..fa:� :.::...4�r:.. a:k:C ..i 1k:j;�;:iy' '� jq]� r. .P. r Y.:C . �r..:i.. ,........:?.�.::.. i ..n....,.. Cly. 1 P �.�T'.: 1/ ::.�' <T31. 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Note If there f4 itiore than one 1ege1 oWne# Pease:attach on edditio ! r 8ikizbd Ma 'tar�lRp#�l"Lc`i-A8>;foech ownef...:....° .. ; Y-.j. {. PROJECT OR DEVELOPMENT NAME: NAME: Av-- l�0 -�tJ 00 2 PROPERTY/PROJECT ADDRESS(S)/LOCATION: ADDRESS: l Pck).2 1.92"/ 10 37 ' ffri-h A-v L ) a -�"�t�As`� z�# -r KING COUNTY ASSES OR'S ACCOUNT NUMBER(S): CITY: ZIP: L.d� nJr 33 - 39 0- Z i 4,3 GEATR-v- 1,JA\ UATot.4 33 4- 310 - Z3162 Lr r7 33 -39o- 0-7{ ,0 23Z .- TELEPHONE NUMBER: EXISTING LAND USE(S): • Z496. 's7 - Got S I PL-AkT -- SIf,) �L tL r►.r��L� �tor� W hT�K� — S!Au G.I-M- lt-1- 14OMB- 3a►PPUGANT (tf atf erUt tan owner.}_„"_: . LANpe., ,- VPnrr PROPOSED LAND USES: NAME: IF34-440 rJ (+�� 1 L.t.Fi� k'�G`✓l I7(^-+`1T ''t r�.3 (�L 'A,Mil L.."C prt'1Ael-- ? j LaT �Uca,pIV1s101-4 , COMPANY (if applicable): EXISTING COMPREHENSIVE PLAN MAP DESIGNATION: l KJV��✓i ►`�� '1'P-� '6"I S I�L.G- GIvu&L rQctM1L`� 1��SI t��1��C'1�1� ADDRESS: PROPOSED COMPREHENSIVE PLAN MAP DESIGNATION (if applicable): 471f7 fox (off 021 QifIC, CITY: ZIP: EXISTING ZONING: 9Sd(4-1 -(01-I07 1 1 Pc L- 8 TELEPHONE NUMBER: 2-53 C 30 -7i1 1 2— PROPOSED ZONING (if applicable): CONTACT;P`TERSON. .`:. SITE AREA (SQ. FT. OR ACREAGE): NAME: A �- �'T 1&' •OOP L. ; COMPANY(if applicable): PROJECT VALUE: / KVl �T - 2OL,L-> 5 44 - 1300000 t HOMC-- c-e2A4 --t~�VC--T'IOI.L ?J FI�C.I t�pc ADDRESS: IS THE SITE LOCATED IN THE AQUIFER PROTECTION AREA? 14 1711L. — (_.o - -r--•p I frcav)F Gz_ CITY: ZIP: 1JA, lb IS THE SITE LOCATED IN ANY OTHER TYPE OF ENVIRONMENTALLY SENSITIVE AREA? I/`)'p1G4TF K) A S t-IStT(vE Ot-t THE GAT-Cs SER1Slrt1E. TELEPHONE NUMBER: 1kY-EAS pAPif 12/04/99 13:54 FAX 1205328188U 1tUA/HU1'1"1'-ZULLARS LjUU3 • s'rJ)Jtt% ••i�J.n :.'• E =��SCF •_P - �:�%";^��s :. lC..T'1:.�=:1i.: F<pR{7i :E,.. :Y' `.t�.:.: «er' Sv-r— TC C�M�r�r� Pc PI CITY OF Rcbv i(,.bad DEC 2 2 1 9 RECEIVED ,..,•..:}:4':.})::i•'J44:>::,n:•,)v ,:.};%.. ;y. .. q}r:: .�, .<. v.4:.-.......... }:2a}:":::.�5:?,:. •:" }..w:..v n...r....,.....).,;.•_f.:.-:.:5'h•::r.�..r:.......:.J........4.. .).....-,. } �p'�t- y !;;.,; .. . •.�:,. - :•r}::v: �:.. :, v. .,..::r:•...... ........ .. ..........a...,r•r•r ::.::........ ..,r h� 7 .. .. 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PLAN AMENDMENT $ REZONE $ _LOT LINE ADJUSTMENT $ • _ SPECIAL PERMIT $ SHORT PLAT $ _TEMPORARY PERMIT $ TENTATIVE PLAT $ CONDITIONAL USE PERMIT $ X. PRELIMINARY PLAT $ _SITE PLAN APPROVAL $ 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 $ REVISION $ • :`:;<" �i:?f::+ti;::<::;:;.:'•:;:;i ::: s?:::is:<?#::E':;::3F:sr:•;,:tt4r:;!t;,;::;;;;:;;;::>}}:};,,)::.:::<•;:::;:.:;!.;}:;.}::..;:::;:)::;o-:;::>?::<::;:E::3>;•);:;::p3��i<#+:��.. .✓ ;/.:•..�,_ is 1/!••1' •� •.O. I, (Print Name) Londe,- SFw.x.e declare that I am(please check one)ZC the owner of the property involved in this appt ation, ztiS� authorized representative to act for the property owner(please attach proof of authorization), and that the foregoing statements �i nsw t kein contained and the information herewith submitted ere in all respects true and correct to the best of my knowledge and belief. () U CO 6 CIUp �'^'��-R� �� "��_ ATTEST: Subscribed and sworn to before me, a No l y��i.cZiree Q. for the State of \/V L1 residing at i h LU Q LLct (Name of Owner/Representative) r L'SIci+. , on the day of >- I— 0.N = Z E (Sig ature f Owner/Representative ate. 1 o ti (Signature of Notary Public) ti - 2}:s» :;;c%2::�ii;;:;: :>E%�•':EiiL�:? i�.:? :?;ii:%:'::i<':i�<•'�:!ii:,>.;:;:E:t;`.�`•i>i; _ .45:- /.�L%• ;{�. �,i is -- - - - ^:S' - - - laei:,. t�<�� �r °>r<rF< ..h:�>I>-�s:; ::A�'`€�tiA�C�'�`� p.wV_ p. >::::: :.�::.:,nt.}..::a,. �i�:..:::::..n..:.:?::m.:.., --.: .�::}:<.:.......... !.,.. ..�.....:»t :.-.:.>. �:: 5 �hG�► :.�.... :f•.�� u=pa>{;�.t�.:H: ra_CF�<�,:L}��..: . .;:;':�:�;:�:;::�:,,�.:.�:�;.:...,.,....n n-,...::::J•.n}r • 7 I..a.•..,.,..;.-.....:•:�:-'a o .--..,......}:.,..-•.-.: •}...:. ......::r:.:r,:•:::..a.......::•r:�;::•r: .;. .r... . lin ,.,;gin,. F ,t,, :-Y vn,4 .:r'J•t. '. •R - r4}•�. :r-. ......... -,,. .R HP�...I~I:..a� �?:....;�M;:s ;S.NiE>€ �il:;nMui.V001,-,H<:::<, :xs is:^}:i;'.;:t•i:t•r:ti•?)i;i:i•-, :" ., .. .} :C:• �. ..a'a) ;n n}�'•.-. '}}?a'::::�n4.v, v:�'i•}5•-.:,:)}- .: �.f .a. .. ...........,..,....,..:.}..v:�..................... ... :..... . . . .....n..........,...,.:... r`C .. f�L.�?.(�.STAG1a.,PR.(�Vl.Q1wD,;:::-.$:a:.)}?:.r::.:;:::r.:.>.r.�:.}::)..... }:ttC4i;•}.��:,,.......r:.}v;::•.::::.:.. '�:::'•''...............,:........:?:'1...).h i:..,.,.,..,:.n n.....:..... ..... ...........,4:�Y i• - MASTERAP.DOC REVISED B/97 1Z/US/UU 14:00 t'AA 1L.104Z0J0SU NUA/hUJil-GULLAKJ WJUU4 Attachmen.t A iLd'Ir.Ee_o Pr'r!E?',1 1 1917 to 1929 NE 24th St Renton, WA crry OF REN T Oar! DEC 22 1599 SRO V LSD LEGAL DESCRIPTION • • PORTIONS OF TRACT 262 AND 273 OF C.H. HILLMAN'S LAKE WASHINGTDN GARDEN OF EDEN DIVISION NO. 4 ACCORDING TO PLAT RECORDED IN VOLUME 11 OF PLATS AT PAGE 82, IN KING COUNTY, .WASHINGTON, DESCRIBED AS FOLLOWS: THE EAST 63' FEET OF THE NORTH 200 FEET OF TRACT 273, THAT PORTION OF TRACT 262 COMMENCING AT A POINT 60 FEET EAST OF 'HE NORTHWEST CORNER OF SAID TRACT 262; THEt OE SOUTH 135 FEET PARALLEL WITH THE WEST BOUNDARY OF SAID TRACT; THENCE EAST 90 FEET PARALLEL WITH THE NORTH . LINE OF SAID TRACT; THENCE NORTH 135 FEET PARALLEL WITH SAID WESTLINE; THENCE WEST 90 FEET TO THE POINT OF BGINNING. TRACT 262 EXCEPT THE SOUTH 238.72 FEET THEREOF AND; EXCEPT THAT PORTION OF TRACT 262, DESCRIBED AS FOLLOWS; COMMENCING 60 FEET EAST OF THE NORTHWEST CORNER THEREOF; THENCE ; SOUTH FOLLOWING THE WEST LINE OF SAID TRACT 135 FEET; THENCE FOLLOWING THE NORTH UNE OF SAID TRACT 90 FEET; THENCE NORTH FOLLOWING THE WEST LINE OF SAID TRACT 135 FEET TO THE NORTH LINE THEREOF; THENCE WEST ALONG THE NORTH LINE 90 FEET TO THE POINT OF BEGINNING AND LESS THE NORTH 100 FEET OF THE EASTERLY 102.3 FEET THEREOF; AND TRACT 273 EXCEPT THE NORTH 200 FEET THEREOF. . KCA/HILII^IT Z DLIARS E z--1 sr,:ENT 1 ,. :i 814 East Pike Street/Seattle,WA 98122/Pione(206)324-5500/Fax(206)328-1880 71-%r.. 0 December 22, 1999 DEVELOPMENT SERVICES DIVISION Attn: Laureen Nicolay 1055 South Grady Way Renton,WA 98055 RE: Request for Preliminary Plat Review Shorewoiod Subdivision A 4.35 acre parcel at 1917 and 1929 N.E. 24th St. Dear Laureen, RCA/Huitt-Zollars is pleased to submit the attached n aterials for preliminary plat review by the City of Renton. The materials are organized in the order pre$ented in the City of Renton handout Submittal Requirements for Preliminary Plat. Should questions arise during preliminary plat review, please call me at 324-5500. Yours sincerely, RCA/HUITT-ZOLLARS ‘ SX.7.1,404 Carl tixrood Project Manager c: Blaine Miller, Investment Properties, LLC. (4 copies) • k\I S027501\tm\prel1m pig rp mvert.dac Wallas I Fort Wnrth/Hnuston I El Paso I Phoenix/Tustin/Ontario/Albuaueraue/Seattle/Tacoma/Denver . • SHOREWOOD PRELIMINARY PLAT SUBMITTAL TABLE OF CONTENTS 1. Affidavit of Installation of Public Information and Flyer Box. Notorized original affidavit plus one copy 2. Master Application Original plus eleven copi s, (12 total) 3. Environmental Checklist (12 copies) 4. Plat Certificate (3 copies) 5. Mailing Labels (2 sets of self adhesive mailing labels) 6. List of Surrounding Property Owners (2 copies of Renton Form) 7. Legal Documents (four copies) 8. Fees 9. Pre application Meeting Summary (5 copies) 10. Project Narrative (11 copies) 11. Construction Mitigation Description (5 Copie ) 12. Neighborhood Detail Map (12 copies included in preliminary plat drawing package) 13. Preliminary Plat Plan (12 Copies,folded to 8-1/2"x11") 14. Topography Map (Boundary and Topo Survek included in preliminary plat drawing package) 15. Grading Elevations (included in preliminary plat drawing package) 16. Utilities Plan (included in preliminary plat drawing package) 17. Drainage Control Plan (included in preliminary plat drawing package) 18. Drainage Report (4 copies) 19. Grading Plan, Detailed (included in preliminary plat drawing package) 20. Geotechnical Report (5 copies) 21. Wetlands Report (Not required) 22. Tree Cutting/Land Clearing (tree inventory) Plan (included in project narrative and preliminary plat drawing package) 23. Traffic Study, underway. Per Waiver sheet modification. Submittal prior to ERC review is permitted. 24. Plan reductions (1) 8.5x11 reduction of full size plan sheets (1) 4"x6" reduction of the neighborhood detail map (PMT) 25. Colored Display Maps (1 copy of plan PP-1 arid PP-2) 26. Rezone and Conditional Use Justification (No't required) J:\15027501\c,\PreNn Plat Ap coverl.doo - n: :•.w 4w:4 }•:4% nv v . tiv ::}•.g•4 w ;•; ..;.: V::::E L}w , ;... y +......V•.......:.... .:x.v.R'f.•:v;.}.:i:...};+.•}.}}iS}:}:.!{•}.}:•}.:•.}V.:;.{..{•. SI 0 :..}.}.}v : .:•:::..:+.wv�.:: ::::w•:?%:.:.::.;'.;.:..:::?.f.. ....}.:}..:.•:}:}:.:..?::4..:X.{?•...v;.{.:.}.:}.:'.:}.:.v.{..vx•:..v:..:vv{:•. :.,..,}. :..:;...{:44}:4.—AV :}:�:v;..:::r....,..:!.:... ...:...:..n....;..............r..nr./..,.....................n.v....... :?vnv::;:..n...n...:.,....f....:v::�.v::.v:.: ..;,} ., ..:' •:k� :. .�. ;., .. ;., :;y.........{:{{}..,y;. .. v :i:y{%i:i�i?;ii%i.'•:%?i$i}::�::;{;:}ti+.,'i:i :.::::{-.,vti%ii:%::�:titit}:::i?{•i:i;'v}:::}:i'Y$iXir ti..... .. ..�. �� [t` v:> 0 :.'.r•::i±{f}i:%is:iiiQ:$ii:%::}":::::ir�...?.}......{::::• ': •:: ••? '.{?: :: +}:M1: .,{ ::- :• •: •: 4' �■... .:. .. :. .. ::::.::...:......::::{ ::;..;.... 1wr rnYY■``■■... .:.:.�.:{?.:.:{::}}:::.}:.{.. � gin:: ::::}:: .:......... .:.::.:::::: ...::::................4:{L:{{?................:.:m•::. :::•::••::::•:::v^}:{.}:{{•:{???{; .}}}}:{•}:i{:{?%::}:{:•}:;;.i}:?•:{.}}}}:::}:•}:4:•:m:::.:v:•:.:v: : :v:::::::::::::•;}:{4:{%}::}:}}.:vn:.::4;{4}:•}:•:::::. :::::}}::::::: STATE OF WASHINGTON G'-r4 f OF i``��T '� ) DEC 22 '0 COUNTY OF KING ) . EVE RAtim, ?__• / tt , being first duly sworn on oath, deposes and says: --1-111 1. On the 10 day of , 19 ci , I installed t- public information sign(s) and plastic flyer box on the property located at )ill fi lit Z9 n!g. ZLi ST for the following project: --...-‘,..-1-1.6r., 6-17:CD Project name • Owner Name 2. I have attached a copy of the neighborhood detail map marked with an "X" to indicate the location of the installed sign. s • 3. This/these public information sig i(s) was/were constructed and installed in locations in conformance with the requirements . ' apter 7 itle 4 of ' 4on Municipal Code. u e /i Installer Si nature r th SUBSCRIBED AND SWORN to before me this /0 day of £ i4I _ , 1999.;: . :': di,P4 (?" ,:‘' U IOTAFAy���, �°, NOTARY PUBLIC in and for the State of Washington, e ; �; ° residing at 1,001 01An►JtJfi r°I N� .0 2 2 o`L•••o ; My commission expires on /O- ,�O 2 o,/••••......:•••.6 PUBSIGNS.DOC 'tq �•�VAS'\�N��- REV.7/98 q<. - . ' . , * -‘• _J VeN . • ......... F., •••• ear li -NV-•--rirr-'-'-, •-• C--•4-Irr-7-rartritil-wr 199 Frkird,r.#1r wir,,iihr.__ __ • te -3..--44-•-•-4.-- •-14-A-'V--r-S- 5.-7--,-lir,-rir if r, i.-,14 •w• e • i . rg,ri, .1. .2r0 VII LLII :25t hig4 ; 29 Etb!„.1.4P a21380 !,[ 1: 1101f3 i 200 , 203 1 [3 lic*.: *"1: " q % 3: .1, g i I • - ..-4;12a114, • * 1 ,/ :-. X' . 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I* 1". .--)-7._,--._ 41 ,,,,,f,_1.,1.1,41.•1.1 zu..._..., 1 ' a u ,r) COPYRIGHT KROLL MAP COMPANY,INC., SEATTLE I rn co )VALS JOB NO. 15-0275-01 re vIslons CI DATE October 14,1999 DRAWING NO. ›. sa DESIGNED 13 DRAFTED ILN,c.oe, NEIGHBORHOOD DETAIL MAP PP-2 .., CNEC.RED[AO& 9 SCALE 1. 200' ,I I r r r LI" fl l; ajE•LOPMiEE!TPL!';Nivi6SG Project Narrative: Shorewood Subdivision CITY OF I`Eh`TON 1917and1929NE24thSt DEC 22 ig99 Renton,WA RECEIVED Project Name, Size and Location of Site The 4.35-acre site proposed for subdivision, is located in Northeast Renton on NE 24th Street between Jones Avenue NE and Aberdeen Avenue NE.The proposed project name is Shorewood. Zoning Designation of the Site and Adjacent Properties The zoning designation of the site and adjacent property is Residential 8 Current Use of the Site and Existing Improvements • The property proposed for development is predominantly vacant land,with two houses near NE 24th St.The site consists of four tax parcels with three owners.Two owners live - in single-family homes on the proposal site 0917 and 1929 NE 24th St) One home-site has a detached garage; one has two small accessory cessory sheds. The two tax parcels with single family homes are approximately 0.3 Ores each in size.The remaining portion of the site is in two tax parcels under one own irship. One of the vacant tax parcels fronts on NE 24th ST between the two single family homes. Special Site Features (wetlands, water bodies, steep slopes) The site contains no wetlands or water bodies.The northern portion of the site is characterized by residential type development and landscaping. The southern portion of the site is somewhat steeper, covered with blackberries and alder trees. Measuring the steepness of slopes in the southern portion 9f the site yields approximately 20% as the steepest slope on site when the slope measL5rement technique in RMC 4-3-070 (average slope between significant slope changes) is applied. Soil Type and Drainage Conditions The site is underlain by Indianola loamy fine sand formed from sandy recessional glacial drift. Permeability is rapid and runoff is slow to medium. The erosion hazard is slight to moderate on gentle slopes, moderate to severe on steeper slopes. The site has no visible standing water or wet areas due to its hill top location and permeable soil. Proposed Use and Scope of Development (height, square footage, lot coverage, parking, access) The proponent would like to create a single-family residential neighborhood with an attractive and unique urban streetscape.The project's image will be created by a consistent architectural theme for the 28 hotle-sites. Investment Properties, LLC. proposes to construct needed street, drainae and utility improvements and then construct single family homes for sale on each lot. The two existing single-family homes and accessory structures will be demolished. Carl Stixrood Pa e 1 12/13/99 J:\15027501\cws\Prelim plat Narrative.doc A new street is planned to extend south fro NE 24th Street to serve the proposed subdivision..The proposed street centerline i closely aligned with the centerline of Monterey Ave NE. at NE 24th St.The propos d street has a maximum grade of 6.25%.A 42-foot wide right of way is proposed in con ormance with Development Guide Section 4-6-060 R. 3. This code section provides for reduction in the required right of way width from 50 feet to 42 feet for new residential ac ess streets within subdivisions when the extra areafrom the reduction is used for the creation of additional lots which could not be platted without the reduction.This is the base in the proposed development. Reduction of the right of way width by eight eet over a length of 1,780 feet results in an additional 14,240 square feet which can be u ed for lot area calculation.The allowed maximum density of 8 units per acre is equi alent to 5,445 square feet per lot so the right of way reduction provision allows creation or two additional lots. The proposed street will meet City of Renton standards for sidewalks on both sides except at the intersection with NE 24th Street, In order to closely align the proposed street centerline with the centerline of Monterey A e NE to the north it is necessary that the proposed street location be as far east as po sible. A retaining wall will be needed in this location to allow matching the grade of the roposed road and NE 24th Street.The applicant proposes deleting the sidewalk on the east side for a distance of 100 feet to allow the construction of a retaining wall approximately 6 feet high with a landscape buffer planting. The deletion of this section •f walk will have minimum impact because there are no new houses proposed adjacent o the deleted section of walk,there will be a walk on the other side of the proposed stree and it will be safe to cross where the walk ends. The maximum allowable coverage has been calculated for the preliminary plat, as 39% of the site area outside the right of way.This re lects a lot coverage of 35% on 19 lots over 5,000 square feet and coverage of 50% for n ne lots under 5,000 square feet . Each residence will have on site parking for 'our to five cars. A two to three car garage within the house structure is proposed with pace for two cars in the driveway. On street parking for approximately 40 cars (dependin• on driveway location) will be available. Drainage from streets and walks will be coil-cted, detained and treated prior to release from a level spreader at the southwest corn r of the site. Roof drains will be discharged to "dry-wells" Please see the enclosed drain ge report for more detail. Proposed Off-site Improvements Improvements to the project side of NE 24th Street will include curb, drainage, sidewalk, planter strip and lighting. Collector street st ndards as outlined in section 4-060-F-2-c of the Development Guide are assumed to app y to the NE 24th street frontage. The current right of way of 60 feet meets the standard s no additional right of way dedication along 24th street is proposed.A 36-foot wide pave ent is assumed to be required. A new curb is proposed to be constructed near the edg of existing paving, approximately 18 feet Carl Stixrood Pa e 2 12/13/99 J:\15027501\cws\Prelim plat Narrative.doc south of the existing street centerline.A five oot wide planter strip and five foot wide side walk will be constructed in front of the roperty along NE 24th street in accordance with City of Renton Standard Plans for Road Bridge and Municipal Construction. The sewer line in NE 24`h street will be exten ed approximately 120 feet east from an existing manhole to Monterey Avenue. Sew r service to the site will be connected to an existing manhole adjacent to the northeast c rner of the site. Total Estimated Construction Cost and estimated fair market value of the proposed project. Total development cost including raw land c st is estimated as 2.2 million dollars. Fair market value at time of final plat approval is stimated as 2.5 million dollars, Selling costs would be deducted from fair market value. Estimated Quantities and Type of Materi Is Involved in Fill and Excavation The site will be cleared and re-graded to cre to flat or moderately sloped building sites. - Finish floor of proposed structures will be th ee feet or less above or below the proposed road grade. Perimeter retaining walls up to s x feet high will be used where necessary to help create moderately sloping building site . Grading quantities described below are rou h estimates that will be refined during final design. Based on the grading shown in the Ireliminary plat drawing, site grading will require striping and stockpiling approximate y 1' depth of topsoil from the entire site (7,000 cubic yards). An additional 14,100 cu is yards of sand subsoil material will be cut on site and approximately 13,000 cubic yard of this material will be used on site as compacted fill. Approximately 1,500 cubic yards of the sandy topsoil material may be re- spread in yards of the completed homes. Soil export from the site is estimated to consist of 5,500 cubic yards of sandy topsoil and 1, 00 cubic yards of sand subsoil. Final grading design may achieve a closer balance of cut nd fill, reducing the need for export of material. Exported material is expected to be of a qua ity that will be useful as construction material such as structural fill and topsoil on other sites. Number, type and size of trees to be removed Since the entire site will be graded it is expected that all trees will be removed. A walkthrough inventory of trees over 6" diameter at chest height was performed on December 1,1999 by RCA/Huitt-Zollars staff.The following trees would be removed. - Number Type Size (diameter at chest height 2 Cedar 1 14"(1), 36"(1) 160' , Alder 10" average ' The Alder trees in the southwest portion o the site were too numerous to count individually. It is estimated that alder trees a eraging 10" diameter at chest height cover approximately 2 acres of the site at an avera a spacing of 25 feet.These assumptions yield an estimate of 160 Alder trees that will be removed. Carl Stixrood Pa•e 3 12/16/99 J:\15027501\cws\Prelim plat Narrative.doc 14 Fir 8"(1), 10"(2), 12"(5), 14"(2), 18"(4), 1 Weeping Willow 42" 9 Fruit Trees 6"to 10" 1 Madrona 6" 191 Total trees Land to be Dedicated to the City A 42-foot Wide right of way for the proposed ro d and 51 foot diameter cul-de-sac will be dedicated to the City for the proposed road. Carl Stixrood Page 4 12/13/99 J:\15027501\cws\Prelim plat Narrative.doc q yE E T71.FNT Pl_f*':; 1 G CITY OF RENTON Legal Documents (if applicable) Shorewood Subdivision Q E C 22 i99 1917 and 1929 NE 24th St Renton,WA FCENED The following text describes the general provysions intended for the legal documents and easements associated with the preliminary plat. Proposed Restrictive Covenants Restrictive covenants may be developed to c ntrol owner alterations to homes.These are not deemed applicable to the subdivision action. A homeowners association will be establishe with the responsibility for maintaining the storm water retention vaults in accordance with City Requirements and for annual maintenance (cleaning and cartridge replace ent)for the storm water quality treatment facility. - Draft Deeds to City for any land to be de icated The only land to be dedicated to the City is th le right of way for the proposed street and cul-de-sac. This will be accomplished through recording of the final plat. Proposed Easements 1. A four-foot wide easement outside the right of way will be provided to accommodate sidewalk, lighting and utilities.The ease ent will allow public access to the sidewalk. Access by the City and private utilities w�l be allowed for the purpose of sidewalk and utility maintenance and replacement. Restoration to original paved surface or grass surface will be required following maintenance activities. 2. A 15-foot wide sanitary sewer easement rivill be provided along the property line of lots one and two. The easement will allow the City access for the purpose of sewer line maintenance and replacement. Restoration to a grass surface will be required following maintenance activities. 3. A 20-foot wide private access easement o accommodate a 12'wide paved driveway serving lots four and five will be provided across lot three and a portion of lot five. 4. A ten-foot wide storm drainage easement will be provided along the west property line of lot 23. The easement will allow th City access for the purpose of storm drain line maintenance and replacement. Rest ration to a grass surface will be required. 5. A ten-foot wide storm drainage easemen will be provided along the property line of lots 15 and 16 and the south property line of lot 16. The easement will allow the City _ access for the purpose of storm drain link maintenance and replacement. Restoration to a grass surface will be required following maintenance activities. The easement will include an area at the south west coriner of the plat sufficient to accommodate a level spreader for storm water discharge! Carl Stixrood 12/13/99 J:\15027501\cws\Prelim plat Narrative.doc DEC-17-1999 09 :50 AM PO'-JY MILLER P. 02 -• D■cam 17-99 09:02A B1a• M1 i 1 - 253e • G43e Die-lO-pp 0l:i2P11 FROVrTlii TL.rj GROUP INC, P.02 +/IIItS11If T-1=+ P.02/11f FQilf halo t,Dn aid Wu Froor r4 PLA NtNG sOEiiBN Thr.4r Dec.. bar 16, 1999 TO: 99403,00 Mr. =I : e Miller Imes mesa Properties P.O. pox 6487 ape, ,I� " F Kent.WA 98064.6487 Cirf ' Fax: (253) 6314438 DEC c/a r. Carl Stl roo4 RCA HuLtz'Zollprs F t ' _E) 414 Pike Street Beat e, WA 98122 .EIOR3WoOD R IDIVWION warm, WAr PROPOSAL FOR TRA11UUOXTATIO$ WWII RING $U.VIO= Dear _lain, 7h« You for asking The Transpo Group to provide you with this proposal to conduct a trait impact study for the Shorewood Subdivision resideatfal project. The study will follow City •f Renton standards and will focus on triaffic operations at Monterey Avenue NE and NE 2 e+Street,Aberdeen Avenue and NE 24e+Street.and Aberdeen Avenue and NE 270 Stre• . The .ttached Proposal outlines our scope of ervieet,budget, and schedule for coropletirg the quired traffic study. The cost to complete the study is S3,000, We anticipate being able o complete the study within about 3 weeks. We will work to provide you with a draft of Oa report within the!drat week of Janua.zyi If th-proposal meets with your approval.yeu can authorise our services by completing. eigrx g, and returning to our office a Copy of the attached Proposal. i will manage this proje t, end James Webb will nerve as the Project Engineer. Please call either of us if you have any questions or if you require any additional information. Sim-rely The &nap Group,inc, I l • 141A1A1. Jeff • ramzn 19eni•r Transportation Engineer JLS/ eaw Attn., meat Mild- ..WWI1.0ec The TRANS••'Orouo,Inc. 1173611erA Awnuo N.E.,Suit•6:0 MrWend,Washington 90034-7120 FAX:125/325-8434 t251521-3885 DEC-17-1999 e9 :51 AM F LY MILLER P. 03 Disc-17-99 09:02A B'11 no MI l l tar 25--..J16431E1 P,03 D!C-I6-11 02t$11,M FROM-Till TNAN$PO GROUP INC, 4221211434 T-111 P.09104 F-013 -1 I • PR•POSAL Mot amta: Investment PrDaerties(Mr, Staple MIII•r) P1* Name: • 8horgwaod&ubdivision��•.• Pro . Number, 99403.00 Trt1 •- Proposal Dated; Decernber 16,1999 Projo Description From; infermeticn wa hive WO*Tram Carl Misread wt understand the predated development Will consist of 29 Singb• sirrgte f- i1y tots,which will replete Iwo existing houses. The project site le located south of NE 24e Street,bat men Jones Avenue E and Aberdeen Ave NE. Attest for the project le proposed via new access road opposite Monterey Avenue NE. Scope of Services • • Street tlystem. Inventory existing street system in the immotdiele vicinity of the project eite, • Trip Generation and Oleh I tbutlen. Estimate dairy and PM posit hour project trip generation for the project rising data published in ITE's 71*Gene,Wlon. Assign project trips to the adjacent street sye tete eased on existing loco! travel patWrns. • Tref&troltaM3. Conduct PM peels hour trains counts on the Study IntersectionF. Develop forecast,of future baseline treMa volumes based on recent Iralrto growth rates estabished byina City of Renton. • sae AeCoss Analysis. ainduct operation or analysis et the project access toad et NE 20 Street The analysis will Include levels of dervloe. • OR--Bite Malytle. Conduct operational anslysls at the Intersections of ADehdeen Avenue and NE 24th Street.and Aberdeen Avenue end NE 27*Street. The es lysis will include levels of aervke. • Mitigation Measures. Identity panne.,meta res required,If any,to mitigate trsntaln,pxts generated by the proposed development Tretlte impact fees WIM plea be calculated. Report Prepare e then report documenting a traffic analysis results and findings. The report wilt be finalized following receipt of revlewcornmeal,from the eject team. S et Estimate 9ervica are proposed as a lump sum cast or 33,000. to will be invoiced on oonpieCon of the report. Sch Lila , . i']199 We MI de a draft report for review by the project lean during the nrst week In January. This easumes Nutt we have audio' lion to proceed by December 20,1050. If elethedeetton Is defeyed,then we writ not be able to conduct the Ind* unto early January,which would reek!n at 2 to 3 mot drag,. Please notify us immediately of any changes in the project order to minimise CM delay fr completing out enalyste. . MMhsrn 00t9e169P1.66o December 16.1880 DEC-17-1999 09 :31 AM POLLY MILLER P. 04 Doc-17-09 O2:03A BT at M11101^ 2BS'_ - 16438 P .04 Di(C•16-19 0213P11 PROthfl! mins.° GROUP INC, W1121 u34. T.121 P.04/0L F-013 J.L6i T �. .11. • C- , 1 State ant of Acceptance The pr• el is s cepteble,and wait wins to Via following terms, well own or neva expressed authority from the pr eta)to improve the property,which IneWes the authortly to hire Tbs tranapo Group. MUM — r PE1,1sMwmq ucok =d FrAx0D Rotel CARL. S-nW?cx* wen MI provide the following Informagon for credit purpose Cou Assaesor's TaxPwtel Number(s): _ Leg I description of the property as retarded et the Couhty Assessor's Oct: - - • end mallen address of the legal owner(a)of the property: The blowing parson may be contacted by TRANSPO td provide a emit reference. Menem*,firm.and tateprone number of : referenceure: elLW • Iran...typically Invoices every 30.days ei at eompledon ore major rf,ortc tasti. Payment i5 due upon presentation of the ifllOioe, and is_. sidered tate(not Current)if payment la not received within 30 days from the dote of the Invoice. Tr'anspo hes the right b dela or stop work until paent is cunent or to require full paymentet delriery of a report. the reports ere copyrighted,and it is on In`. ymmentor the copyright to use Misreports Yrithotrt having Miele tun payment for services, COLL ION • Upon I. re to pay when dud,the Trsnepo Group has ait rights as provided ey raw to Collect amounts that are due. SetvIc s are oonsid--• to be provided from a business entity to a busts entity. Transpo has the right to Mice(tens and to add service charge:for tale payment squat to 1.5%of the invoice ehtotr t per month plus administrative coals.direct costs,attorneys fees end ..... Theee onergee are in addition to any budget a •unt!hat we have provided In the Proposal. • The nape Group: AC -TED BY;Miti6/fiY,,,terj• r L,L„C. name cram) ..ALA4 � � TUN• ••oflicer) Client Or ClIenr's Authvrtzeg Aplrrt Signature w . th�tu. Narita•Printed iLg1 Dabs Mal••• aosi o3Pl.00C December 16,1999 • • . . • • DEVELOPMENT S RV10ES DIVISIOL • . - WAIVER OF SUBMITTAL RE UIREMENTS FOR LAND USE APPLICATIONS . i. tIFANISIII8SPERMITI8UIYMI.EV:Atlani IiiiiINA1VEDS iMODIFIED) in.ORMainitegaMenagagariM .., ...::;....$y,:i:..i..::.66..,;.1 , ,x,..... .,,,,..,m00.,,,....,:„....%:v ,,i.:.,,,:ii:4510 , .:. :i,:::::W•ElgiogiPF;I.V..i :• .i.aaf40.MMENTS2INNOWN • bREQUIRFMEN11g.t0B2.Main Zit BY NOAP„YELA WiNgta,V.4.MUMESIBBINP):..M'i'i:;:,','•:•::i'5'.". Calculations, Survey, . ,-,-.... ... ,... .:„,.. ,,fxrAtv...:4:,iziiRi,.i;....r.viyizim.ii .':::c...i!:•:liAi•az..::::,,.:,,m.,...: .limi*E:::x::::.:::..:K:::if,::;,:0:::•:::.: k..moi:1::mi4:::Kwis.:::i::?:**Ii.:::i*..::.m,:iK::.:E.:::: Y..misii.i.:-5u...S:,.Y.,YftV.2! a- 0?:jii:0••%cinfi: :::•:•i6:i.:ii :Aii na .:m ginn::,:gmeg: Ii.Vgi.SEiig:::..-:; mii4in;.:; :•'..:iivagmigw:::3i!'iIi!iim: . ,....., . Drainage Report 2 • . 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'': .• " '• • -• - •• - '•-•:'••• • '•• • %••''' ••••••"•••:•••:: %:"I'xi.%,' "••`.':.'::CN •*...:$::•'':'"'.-5:•.:-:::.1:.:M. :::::::!:!::,i.!::::>*:::i'''••*%;''.!:':::-:';':•.i'e.i:fligr.?i::::::::::aii:',P::::g.iiii,i:•::.:;:i:::?..i:::::1"...:- of Existing'Site'rpnglitions 4 ...:.ii .7...- . .;.1!...i.iii .,,....)-...:-.E.• ..-;. :,.:.:giiB :!,:.k:;•:::::.0::i.:•.,f. :-.*.c::::,: •i:...::: ::•m;i1.....:•::::i::::i:::::ri:!';•migaiig•r.!:-:•?:: Master Application Form 4 CtiTY OF RENTON • • - • •".. - • " • •-•:Mon . •••• ••••• ••••, :••••:•nv••-i,"•••:....:.•-• -.•:::•:: ::•••:•:•.:::•:••••••••••,...:-4,:::. .:•::-::?•*,•.:.:::;•.:•••••••.-•.::•.i. :•:i: .:iiv,:•.i,.i.:,..::::•.. •• ::::::i...::-... :::iiii:o•••::::::::E.:::::n:a::::e. ii:•:ii:i:::iii.,i!ii::iiiiii.i,i::i.!::y:::Ei::i• ii .ment.Cards'.(one:per:.tno nuroP i. : ••••••• •. •.•••:• ••• •...E1.,:i.: ...::•••••:•':':.:'".•:',.%::....M. .i:§s.:.Z:...ii,..':''..:. • .••••:....ii.if..:.:'::•4:ia.ii.!: ::iii:il:i::i:....:,::::i:if :ii:i: i'•!::;iiii-.:i:iii'i'l Parking, Lot Coverage & Landscaping . • . . /frr" Analysis 4 ' R2 7:3' V E D . • . .. ..... ..., • .:•.:.. „....::.:..•..•..•-........:....i.:.:g.i. .....:..:...:........ .. ...,:ii„imi::::•::.:1::::ii;i......:::::.::::::.::..:::i::.*yi:;.:.v.i..i.::::i•i:.:: ::...::-:.•:.:•.•: Plan ReductionS:(PMTs) 4 . .• . ..•.-...:.::::... :•:•.:::::::..?.:.:.: - :::.:i :::::]::••:k.:••• :•••••:••!.-:::,:a :ii.;:i'.,:••••:i:•-.I-•.-• '...2.--•::::.:.•:-:: ::.::::i.:t.i.::::i:::::::.:::::••:::::::ii::::::-:.::•:]::::::::::;i::: :::::•:i-,iiy. Postage 4 • • • •• • • • • • f '..." •:: " ::::•::•::- . Public Works Approval Letters . ...i;!. ...:.-. . . . Title Report or Plat Certificate 4 • . . . Topography Map (5'-contours)3 • .: :•i::::: •:•::'':'':"*.::•:: - • • - . .f.'•••,:••••:••:•.:"::•••••••:",:•-f."::•,.':..y:::.:•:....:::',i:•.*:•••'::••••.;:•:;.::.."'.:. •. . .. ..... ............•.... . . . . ..... ...... .. ' Traffic Study 2 i--i-+ 0/ - M.--10g--r-o r__gc__ .. • • ••' '.••• •:.".-'• .••--:•-•:.' ••••"..., •• •••::•"..•..v.i: ::.:iii••,...,::! .F...:. - :.,..-,..i.::;i:::::i,.m?.:,.•:::::::.ii.:Ii:.,i,Aiii:,:i:i.:,::....:::.i::::iimi;i::::ic,.-.i]::::.i.::: Tree Cutting/Vegetation Clearing Plan 4 . ..::. , . • ..:'.::::.," .;::::;......:. :: ::....;::.:::M. i:;i::',::i;:i.i:;.?:';:::•:.:::: - .'....:f:%:.?;::::'?:i:::M:Mei:;:::::::: :::,M: ;i::i;::i1:1:::::.::;.: Utilities Plan, Generalized 2 •• • ••• ••••••••• •••••••••.. . .. • • . WetlandSDelineation'MAp 4 • •..:.;.: :.'• /-•/ . ':•.;.::::ili g(..1;.• •ollti 46"tel M.;i•';.i .''''." •!:••••••••:.:':;:••;...: .... ...: ' .. .....f:•::.• ., .. . . ••••.:::: ,:......... . Wetlands Planting Plan 4 .... • Wetlands Study 4 • .• • // if .. -.) - `S- cA•Al,S TE-P-- i z/i 7/0/, cAt.4.--ro .)q- This requirement may be waived by: . 1. Property Services Section 6:-/--:- - PROJECT NAME: li'Mhf141(44- fPopahelv - f/ ..•.... • - ••• • • : 2: Public Works Plan Review Section • _• - •• - •-••1 - -: " • 3. •Building Section • • DATE: Vbsii. • q ( ). _ . 4. Development_Planning . .Planning Section . . - . _ _ _ • . _ . - - • --7 ... _ frAdiViSit211.5kd•rielOrrserltlAv ninn inrAwnivPrAls • • .off 04, 44. • MEMOEANDUM • • DATE: N • eig TO: Construction Services, Fire revention, Plan, Review, Project Planner - FROM: Jana Hanson, Development Services Division Director SUBJECT: New Preliminary Application Ino- 2hi,wt popelyigut. PA LOCATION: /977 &, /94 At PREAPP NO. 91 —Al A meeting with the applicant has been scheduled for /10-UO Al/ , Thursday, 410VI 1-- , in one of the 6th floor conference rooms (new City I-ta l). If this meeting is scheduled at 10:09 AM, the MEETING MUST BE CONCLUDED PRIOR TO 11:00 AM to allow time to prepare for the 11:00 AM meeting. Please review the attached project plans prior to the scheduled meeting with the applicant. You will not need to do a thorough "permit level" review at this time. Note only major issues that must be resolved rior to formal land use and%or building permit. application submittal. • Please submit your written comments to ,((,, C')tti at least two (2) days before the meeting. Thank you. (Va _ Preapp2 •-. -- _ - •- - - - - - • • • yst by"T • OCT i9Fo99 ECc 3'i Aftii. . .;ai .n•( MEMORANDUM • • DATE: /) •n 4? TO: Long Range Planning : FROM: Jana Hanson, Development Services Division Director _1 SUBJECT: New Preliminary // Application11 ?GAD it/ f/V}(/ _-2 fl.te ,p/ar LOCATION: 1917 and /gag /Ve 2'/ S eAl" PREAPP NO. q°I '�1 • Please review the attached preliminary pr ject plans for consistency with applicable Comprehensive Plan Policies. Please submit your written comments to ei,t--e rt/ii no later than A//)v 21P4.4 . Thank you. We will not be able to include comments received after this date in the presentation/summary we prepare for the applicant. " v1?c i 0631 c-N 121'1c17J n-031 O v-r mac. 51 r ►r e inl 2 N'tr cornpracm-Jzfrrs i vC RA v . Oc'?v s► v w.16?r:s I izs2":; s 17< oLIU• iSIJUG�'J " t,'n52_� :�%�lC PE_Atvrvt(AA_- • • preapp _ _" - _- - . • �Y CITY OF RENTON 0 �•et FIRE PREVENTION BUREAU MEMORANDUM -NTo DATE: October 20, 1999 TO: Elizabeth Higgins, Senior Planner FROM: Corey Thomas, Plans Review Inspector SUBJECT: Preliminary Comments for Investment Properties Plat • 1 . The minimum fire flow required is 1 ,0100 gpm for dwellings up to 3,600 square feet in area. One fire hydrant is required within 300-feet of the structures.- For dwellings over.3,600 square feet min mum fire flow is 1 ,500 gpm and a minimum of two fire hydrants within 300-feet i§ required. 2. The fire mitigation fees are applicable at the rate of $488 per single family residence. This fee is payable prior tc recording of the plat. 3. Plat shall meet street ordinance requirements. A full cul-de-sac is required for dead end streets over 300-feet long. Fire sprinkler systems are required for all lots past the 500-foot long distance. This appears to include lots 10 through 18. Minimum 1-inch water meters are required for fire sprinkler systems. . Maximum grade of road is 15%. CT:ct invest Investment Properties Prel'minary Plat Preapplication 10/26/99 City of Renton Density Worksheet for Development in he R-8 Zone According to Renton's City Code,the standards for new development in the R-8 Zone require that residential densities fall within a range of to 8 dwelling units per net developable acre. (Section 4-31-5.D.2) The code does not require that the lots be developed simultaneously. However,the land must be platted so as not to preclude future development at an appropriate density. 1) Total parcel size minus street r-o-ws and sensitive areas: 143586.00 square feet 2) Net Acreage(line 1 divided by 43560): 3.30 acres dwelling units net density 3) Maximum and minimum allowed dwelling units Max. 26 7.89 and respective net densities: Min. 17 5.16 4) 143586.00 sq ft and 26 dwelling units result in a density o: 7.89 d.u./acre. Deductions from gross area: 45,900 sq ft for proposed street right-of-way H:\DIVISIONS\DEVELOP.SER\DEV&PLAN.ING\DENCALC.XLS rrY c OF gENTON _0 OCT1 p 1999 S�i'„��3dU �,v1SION MEM0RANDUt1� . DATE: / ' f q • qg TO: Construction Services, Fire revention, Plan, Review, Project Planner . FROM: Jana Hanson, Development Services Division Director • 2& SUBJECT: New Preliminary Application /t�tt��1 h1�tt , Ad. /9lat •LOCATION: /9(7 and /9d29, N �� (5 ' 'f- PREAPP NO. o(1 __11 A meeting with the applicant has been scheduled for /0.00 A/(4 , Thursday, • 4((7V JP'`'' , in one of the 6th floor conference rooms (new City Fla l). If this meeting is scheduled at 10:00 AM, the MEETING MUST BE CONCLUDED PRIOR TO 11:00 AM to allow time to prel are for the 11:00 AM meeting. Please review the attached project plans prior to the scheduled meeting with the applicant. You will not need to do a thoro gh "permit level" review et this time. Note only major issues that must be resolved nor to formal land use and%or building permit. application submittal. • Please submit your written comments to (( -.6e6-I at least two (2) days before the meeting. Thank you. // /z/ci ,S • a{--E.a c, l( 14,-(:1,. "S -Fr.Y vel. vi-c,,,,_) G�nr`ri .�.„--S Preanp2 - — - - - Investment roperties,LLC Pre-A plication Prelimina Plat/26 Lots Monterey Ave. &NE 24th St. November 4, 1999 WATER: 1. The Water System Development Service charge is $850 per single family residence. The total amount is due when the Construction perrrat is issued. 2. Label the existing water line in NE 24th St. as a 12-inch asbestos cement water line. 3. At the proposed connection to the existing 12-inch water line in NE 24th St. add a valve on the west and south leg of the connection. 4. Add one fire hydrant on the Southwest corner of the intersection of Monterey Ave.NE and NE 24th St. City code 4-5-070D(n). 5. The minimum water main size into the plat is 8-inch. 6. The site is located in the aquifer protection zone#2. 7. The site is located in the 435 water press one. Water pressure is between 59.74 psi and 63.63 psi which is in the acceptable range. 8. Extend the water main to the south and west property lines and install a blow-off assembly or hydrant at the end of the water line so the may be flushed. 9.. The water main must have a minimum of 5-feet of separation from the detention vault. Show dimension on plans. 10. The vertical profile of the water main will e required. 11. One(1)fire hydrant is required for each 1000 gpm of required fireflow. SEWER(Waste Water): 1. The Sewer System Development connecti n charge is $585 per single family residence. To be paid when the Construction permit is issued. 2. The side sewers to have a minimum of 2%slope to the property line. 3.. A conceptual utility plan is require for SE review. 4. All utility plans must comply with the City of Renton Drafting Standards. 5. The sanitary sewer to have a minimum se aration from water of 10-feet. It is required to have a 7.5-foot separation from other utilities. 6. A 15-foot sewer easement would be required between lots 1 and 2. 7. A sewer cleanout will need to be located 5-feet out from the buildings. 99CM095W.DOC1 8. Show finished floor elevations on the sewer plan sheet. 9. Plans to identify the sewer main extension that will be required for the project. 10. Vertical profile of sewer main will be required. STORM DRAINAGE: 1. The Storm System Development connction charge is $0.129 per square foot of new impervious area. 2. A Level One Drainage Report will be required. A level 2 or 3 Drainage Report may be require if condition are warranted as determined in the Level One Report. The Drainage Report must address all core and special requirement as listed in the 1990 King Count Surface Water Design Manual. 3. Use NAVD 1988 datum for elevations. 4. The proposed project must demonstrate a equacy to meet City code requirements for detention, water quality and conveyance capacity. 5. Drawing scale is 1"=20'.. 6. Provide legend,vicinity map and legal description on the title sheet. 7. Maintain 5-foot clearance from water line. 8. The detention vault will have to be maintained by a Home Owners Assocation. Copy of document will need to be provided. TRANSPORTATION: 1. The Transportation Mitigation fee is $75 per new trip generated in a 24-hour period. 2. All electrical and communication facilities to be undergrounded behind the sidewalk. If right- of-way space is not available then in a utility easement. 3. Street length over 700-feet in length is regiIiired to have two means of access and fire sprinklers required for all houses beyond 500-feet. Code 4-6-060G(2). _ 4. Street lighting required to meet City standards. Minimum lighting level is 6:1 uniformity ratio and 0.2 ft.-candle level. The street lightin conduit to be located under the sidewalk. 5. Minimum design standard for a residental ccess street is as follows: Right-of-Way 50-feet Pavement width 32-feet Sidewalk width 6-feet adjacent to curb Right-of way width may be reduced to 42-feet i the proposed plat can meet condition as specified in City code 4-6-060R(3). Additional ease m ents would be required for franchise utilities under this condition. 99CM095W.DOC\ CITY OF RENTON Planning/Building/Public Works MEMO ANDUM DATE: November 4, 1999 TO: Pre-Application File No. 99-97 FROM: Elizabeth Higgins, Senior !Planner, (425)430-7382 SUBJECT: Investment Properties 27-Lot Preliminary Plat Preapplication Comments Applicant: Carl Stixrood / RCA/Huitt-Zollars, LLC Project Name: Investment Properties Subdivision Project Address: NE 24th Street General: We have completed a preliminary review of the preapplication materials for the above-referenced development proposal. The following comments on development and permitti g issues are based on the preapplication submittals made to the City of Renton by the applicant and on the City of Renton Codes in effect on the d to of the review. The applicant is cautioned that information contained in this summary may be subject to modification and/or concurrence by offi jai decision makers (Hearing Examiner, Zoning Administrator, Board of Adjustm nt, Board of Public Works, and City Council). Review comments may also geed to be revised based on site planning and other design changes required by City staff or made by the applicant. The applicant is encouraged to review all applicable sections of the Renton Municipal Code and the City of Renton Development Regulations. The Renton Municipal Code is available at the City Clerk's office and the Renton Public Library. The Development Regulations are available for purchase for $50.00, plus tax, from the Finance Division on the first floor of Renton City Hall. Project Proposal: The applicant has proposed subdividing, by means of the Preliminary Plat process, a 4.35 acre property into 26 lots separate lots suitable for detached single family houses. The property is located in Northeast Renton on NE 24th Street between Jones Avenue NE and Aberdeen Avenue NE. Access would be from NE 24th Street and, as indicated on the conceptual site plan, possibly eventually from Jones Avenue NE or NE 20th Street via a new road. Investment Properties Preapplication C•mments November 4, 1999 Page 2 Land Use Permits Required: For subdivision of land into ten (10) or more lots, RMC 4-7-080 "Subdivision" guidelines pply. The proposed project will require Preliminary Plat and SEPA approval as the first stage followed by Final Plat approval (see Final Plat Approval sects n below), which requires a separate application. Preliminary Plat proposals are initially reviewed by the Planning/Building/Public Works Department, then considered by the Environmental Review Committee. Following issuance of an Environmental Threshold Determination, the plat request is heard by the Hearing Examiner at a public meeting. The decision and recommendations by the Hearing Examiner are forwarded to the City Council for consideration. The City Council adopts is own findings, conclusions, and recommendations and either approves Cr disapproves of the proposed plat. Application fees are $2000 for the Preliminary Plat application and $200 (1/2 of the $400 fee if the improvements are Ies than $100,000) or $500 (1/2 of the $1,000 fee if the improvements are more than $100,000) for Environmental (SEPA) Review. Processing time for Preliminary Plat is approximately 16 weeks, if no appeals are filed. A complete Preliminary Plat application package is being provided to the project proponent with a copy of this memorandum. Current Land Use: The proposed project site consists of several tax parcels. There are at least two single family residences on the site that appear to be subject to demolition. There are single amily homes in the vicinity of the project. Kennydale Lions Park, a City of Renton Park, is located at the nearest street intersection to the east, NE 24th Street and Aberdeen Avenue NE. ' Zoning: The property is located in the Residential 8 (R-8) Zone. It is designated as Residential Single FamN on Renton's Comprehensive Plan Land Use map. Density: In the R-8 Zone, the minimum density would be is 5.0 dwelling units per net acre (du/a). The R-8 Zone perrrits residential development at densities up to 8.0 dwelling units per net acre, for lots larger than 1/2 acre. Density calculations are based on net parcel size, excluding sensitive areas (such as wetlands and steep slope areas) and public rights-of-way. In order to calculate density, the net area will need to be pro ided by the applicant. For the purposes of this memorandum, t e preliminary density has been calculated based on the total site size of 143,586 sf, less 45,900 sf for the proposed public street right-of-way. Th maximum number of units would be 26 Investment Properties Preapplication C mments November 4, 1999 Page 3 and the minimum would be 17. The 26 roposed lots equals a density of 7.89 du/ac. Minimum Lot Size: The minimum lot s ze in the R-8 Zone is 4500 s.f. It appears; from the information provided y the applicant, that this standard would be met. (Site data will be required on t e formal application that lists individual lot sizes.) Minimum Lot Width and Depth: The inimum lot width in this zone is 50' for interior lots and 60' for corner lots. The minimum allowable lot depth is 65'. It appears, from the information provided by the applicant, that this standard will oe met. Setbacks: The minimum setbacks in t e R-8 Zone are: front 15' for houses and 20' for garages on streets created after September 1, 1995, and 20' if fronting on existing streets rear 20' side 5' (interior lots) and 15' (corner lots) It cannot be determined from the information provided by the Applicant if this standard will be met. Setback lines mul t be indicated by dashed lines on the site plan submitted for preliminary plat eview. Building Height: Building heights in t e R-8 Zone are limited to 2 stories and 30'. It cannot be determined from the information provided by the Applicant if this standard will be met. Building Coverage: The maximum building coverage is 35% of the total lot ` area. The maximum building coverage for lots 5,000 s.f. or less is 50%. Building footprints are not indicated on the conceptual plan. For purpose of considering the preliminary plat, buildi g envelopes should be shown on the plat map. Parking: Off street parking must be pr vided for each lot, at a minimum of 2 spaces each. Access: Each lot must have access to a public street. The conceptual plan indicates that access will be from NE 2,th Street. Sensitive Areas: The site is indicated as potentially sensitive on the City's Sensitive Areas map for steep slopes. Due to the steep slope potential, a topographic plan/study will be required as well as a geotechnical report that Investment Properties Preapplication omments November 4, 1999 Page 4 includes information and recommendations regarding grading and construction in steeply sloped areas. Typical Environmental Mitigation measures placed on Preliminary Plats include the required Fire Mitigation Fee ($4881new lot), Parks Mitigation Fee ($530.76/new lot), and Transportation Mitigation Fee (approximately $750/new lot). There are presently no fees charged for school mitigation, unless the site is within the Issaquah School District. Final Plat Recording: The Final Plat must conform, with only minor modifications, to the Preliminary Plat. The Final Plat cannot be recorded until the required improvements are installed and approved, and a final drawing is prepared and accepted by the City. In addition, any conditions and/or fees must be met and/or paid prior to the recording of the Final Plat as applicable. A separate application packet is required. cc: Carl Stixrood Jennifer Henning Construction Mitigation Description: Shorewood Subdivision 1917 and 1929 NE 24th St Renton,WA Construction is planned for late summer/fall of 2000. Clearing and grading and construction of roads and utilities would require two to three months. Construction would occur between 6:00 am and 6:00 pm Monday through Friday and some Saturdays. Haul and access routes are expected to follow NE 24th Street east to Aberdeen Avenue, north to NE 27th St,west to 1-405. A temporary sedimentation and erosion contro plan to City of Renton requirements will be implemented to prevent silt from washing off site. Dust will be controlled by watering if necessary. A crushed rock construction entran e will help reduce mud deposits on nearby streets. • A detailed traffic control plan is not deemed necessary due to the light traffic on streets immediately adjacent to the site.Traffic control will be provided as needed during equipment unloading and maneuvering near the site entrance on NE 24th Street by construction personnel. onENT P ;P! .:;1I aG CITY OF RENT G°o'J DEC 22 1999, R7C9VEET Carl Stixrood 12/13/99 J:\15027501\cws\Prelim plat Narrative.doc Enytronmental Checklist . A. BACKGROUND 1. Name of proposed project, If applicable: S 11 _L _.wop� 'U tV1S1ot4 15,P1Vt .SS-a'GP—*- rARC - Ai 1911/ ).D I9Z`I t._1 ZyTH �T 2. Name of applicant• ..rr' `" ` ','Tt_,A,N;rJa NVASTr-��r�T- CITY ur r�Lri ON �P-o?E-F-Tb-S L gLAIJ�)G W1,LI�I,tZ� 12� iPF—t.7 i�v� 3. Address and phone number of applicant aid contact RECENED person: C-oNTA( r: G�p� ro CAS GJTIX(ZbbD K�Nr, w ��6�- / H v l-rr 227[-LA RS 4. Date checklist prepared: 8 t 4 Pt!e-F_- s-r; 11/10/91 204. - �W -SSbU Z042 - 37$- 1SSOQA>9 5. Agency requesting checklist: CAT`( OF — k1ToJ4 • 6. .Proposed timing or schedule (including phasing, If applicable): • oN.STRUGTIDN at= STIR-F�-r • kh)D U-ri L-1T•-( I,N•.Pf v fix)T . ur•-\ .000, 7. Do you have any plans for future additions expansion, or further activity related to or connected with this proposal? If yes, explain. `(F A Pig LINT • T�v L D 1,4 s-t-R X-T 1 0 h-1 or- I-1 o �S O N , ��`- a S 1r�. 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. Pzr__1_,t 14A t I JbR.%-c -r-A-r• A PPLI t��TFatZI A t_s t A P--/41 ti.1�kCmE ? r-ro — (sEo-r>;Gt{u1C..hl- in)>ft%Sr AT1o1-.t. 9. Do you know whether applications are pending for govemmentai approvals of other proposals • directly affecting the property covered by your proposal? If yes, explain. A-40 10. List any governmental approvals or permits that will be needed for your proposal, if known. • rIz1_tr.1r-71tvgR_.-c A.AID 1 NA1 . �LA- ' A PQR-off/',L . ?E-.-P/m-r 11. Give brief, complete description of your proposal, including the proposed uses and the size of the project and site. G(.).t3T76V1 (014 of y 3s � 5 tT 1= t ti1T-a 7,02 StNULt- t=A&Alt. -( • • • • 2 Environmental Checklist 12. Location of the proposal. Give sufficie p t 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 occuh 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. • V V1 A07 t92-41 14F_ Z---4-tT ST' B. ENVIRONMENTAL ELEMENTS EARTH • a. General description of the site (c rcle one) flat(rolling)hilly, steep slopes, mountainous, other • b. What is the steepest slope on the site (approximate percent slope?) . Z oZ W l 1,)1/4 Svr-F-D I N A-C.43 W rr n �TDI.a .17 -V -if? wA'T" (QUIP - ak1 -3-070- c. What general types of soils are found on the site (for example, clay, and gravel, peat, muck)? If you know the classification of agricultural soils, specify them and note any prime farmland. Z-Op A)oL t,-oa'-& ( F%N - SPcND. d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, . describe. i_1J e. Describe 'the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill. THE 1~t?L►-1 J v1"C k �,.�L►-�- 6� • 12-F2-4='Q-4P Tv Ac--o►k&o'#-r.E- •PKzfos ID 1?-0ArS pr 1v17 1..o"C'S. L Q AD i N i,J ll-L P--t<Q U 1 R-1< .11.1 Ida `t 4f7'C%L1 T; 1. 13,abo YEA f IL— 4 W, t, 10© Y.P3 ) f7?- It+ki.1 mot. Gav���LT>Od-i . f. C6uld erosion occur as a resu t df clearing, construction, or use? If so, generally describe. 6,..P.t.a,t c„ GO()L-t )LP 1T')z .7ti-S TO %i JFA�LI� t>J pi)C. ©Slo/J, g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? pcp.,otTr" ev__C% (2F T'AF. S 1,J1 L I O w LTt , t;-oa LAPAc izoo'FS pl?t VEWAY,S, P 13r.7 UT 2 3 % --- SlT">: />e-G-A LA)I LA- 15.5_ skP.5 AtJr) S1d�1=WL�LK.S, • h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: S �l=lL '-VZos10A C.OtJT f--ot RCS J r7r..- rog.w\ULATiz D AS P,1%.iz-1' Ot- A Tt uA�'0R .R -( *P-P.-oSlot`l Aug SE_7tr-SENT Gp nJTP-Ot� L,AA). b"-NF-A.SU jLI 4. i1J l l-L- rr-c7F A. 3L`( 11VLL0,7— 6.--,1211•-\ JTATLo#.J 'PDNps, SlL..T FG ,JLlNC� C-tt- C R l7Ar�s A NIID TiMPo I?.A1Z • 1, Affixox.irnATF-.1,sr 1�o`fps or �rv1 IL-. LA)I t-L- � - ti -1�c-P 1 90 I rielo - 'f / d7 A( I& t i_ t Cm n 4 r)3 1A 211-L.1F71 �.1i�71't2 p or) €v 1-r • Environmental Checklist 2. AIR a. What types of emissions to the :it would result from the proposal (i.e., dust, automobile, odors, industrial wood smoke) d ring construction and when the project is completed? If any,generally describe and give pproximate quantities if known. VS`C AN7� VE}t-lC.c,- 1A.US-T' U I2-1N6 LO S V %-ti 't LL- -XHA.uST ['K goxik- V - T'D 1- ' b. Arethere any o f-site source of -mission or odor that may affect your.proposal? generally describe. J� P P I? If so, C. Proposed measures to reduce or ,ontrol emissions or other Impacts to air, If any: • \JATF�1r- `r'I -i) -- S Y�,�.Y g L) IF Oche-S Ol`4 13.xL SS M v 2-‹ • 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, sal ater, lakes, ponds, wetlands)? If yes, describe type and provide names. If appropriate state what stream or river it flows into. -T -lS �P�fitNAi.'� t1 4t ? SD Of-T W D o A m )-Th L Foh2D.s Pt lz-E Lo GA t tz.kD lvtp SbyV� . Aifl-. 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. 0,0 3) Estimate the amount of fill and dresge material that would be placed in or removed from surface water or wetlands and ins icate the area of;the site that would be affected. Indicate the source of fill material. 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities if known. i1/4.3v 5) Does the proposal lie within a 100-y ar flood plain? If so, note location on the site plan. kAO 6) Does the proposal involve any disc arges of waste materials to surface waters? If so, describe the type of waste and antici o ated volume of discharge. LlO • • • Environmental Checklist 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. goof PDwNSQ0U-rS tJ >✓t, g7- VIZe-I-tAR6M p ra - 1,)E> . T►a l- -ri 'P-t 4:A -r r-vo 1 z goo -f• 1%A �1 LL SE T'1?-S-A. P I IJ 7" *is rA A h11V . 2) , Describe waste material that will e discharged into the ground from septic tanks or other • sources, if any (for example: omestic sewage; industrial, containing the following chemicals...; agricultural; etc.). escribe the general size of the system, the number of such systems, the number of h uses to be served (if applicable), or the number of animals or humans the system(s)are expected to serve. 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, desc be. Affe.0X1r-&A.TE.A. ( 0. 0, A(- -S- of . 1 wtejf -V LOOS SIJr-FAL AI Jp 0. 106o ACP-1= . OF- L.AN.I G.N?G A2F-A CT 1-t - 'Rdw.p A►VW A: S w W 1(--bt Pig-0c1Ni T ' `r itE R0sa..10j I,.l Ii- i3r-- Gou--r-LT'�47, Tb' - �' ;a, E. 1.�1t-lam FLOW To A riTL1-t 10 TF WET. 2) Could waste material enter groun or surface waters? If so, generally describe. o►L- '-R-oM VE•H1LL-;_. 42 Gl.Jt,10 C-NTI-T. THE •SToQ-m.vJAT -R c�owEz.r►oti1 S�rST r�. d. Proposed measures to reduce. o control surface, ground, and runoff water impacts, if any: Ttliv c_.19t c.>ye_.T-i ,,i S---fST't�o-� %.,.1I1-1. t-t v - �Ac-.t LtTILS ry '?fit-f- T !h b R. -C'AA I'`I ✓TDY_r-'•1,.J' T t4L- P¢-t o - TO 1--F-I-1 P - AT A £ O I-L-E_P V-AT • 4. PLANTS a. Check or circle types of vegetatioi found on the site: >( deciduous tree: alder, maple, aspen, other X evergreen tree: fir, cedar, pine, other >C shrubs ` X grass pasture crop or grain wet soil plants: cattail, butt rcup, bullrush, skunk cabbage, other - water plants:water lily, eel rass, milfoil, other other types of vegetation b. What kind and amount of vegetal on will be removed or altered? THE- EJJTl - stT�- t�1 I LA- 'f�� - -6-A I-D }it PaL LA F t t`-* o tis� ('1) A Ll Y'-R- AN.D ZAce.a.S} o F- A i.Dt%R-S e'- t 2� (-4 P R•f l 40 T�' - .t) i J I A-F&� v'w7. c. List threatened or endangered sp cies known to be on or near the site. ►JO►v1- L.NA V� '<��E-hl ►PS n F, F..V d. Proposed landscaping, use of ntive plants, or other measures to preserve or enhance vegetation on the site, if any: . 'p c°k )-['j g.EA g. Pc ttil p Stp V.- `(A P.pS �111.4,. 1 '1 L A J.DSc, t.J Vrti '1"7 EIS Stkl?U L6S A hl•p 1�PcWN- 1-%(e1C L. 0V- S lW f,LI<. VA1 \ L -f �rv>�fo $0Rt-tooPS. • • Environmental Checklist • 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, songbi los other Mammals:deer, bear, elk, beaver other• Fish: bass,salmon,trout, herring,shellfish, other b. List any threatened or endangered species known to be on or near the site. !J0NI~ IP5..4\7T'1 15,17 c. Is the site part of a migration route? If so, explain • D 16R- T-I0IJ1 7-00TizS VC- 1? Et_Kl 11754QT!'FIEp d. Proposed measures to preserve or enhance wildlife, If any: • S1KnoLQ FA PA%LY YARDS I,JILL- SUP1'D 2-T l id-DS• P JJ7 Sf"1/i_t, lr�A yA••wIA LS. 6. ENERGY AND NATURAL RESOURCES • a. What kinds of energy (electric, nat ral gas, oil, wood stove, solar) will be used to meet the completed project's energy ne ds? Describe whether it will be used for heating, manufacturing, etc. SAS ANN7 E t �-I-f�1�lT 131i, "C'N1= ?Iz u^AA z-`C UTz-c1-c ii p c o rdVC--c_- - -r•H t f1z eza s.LT S - -1 N�� Lca:91- ln)G l4hJp t L1.-Uwt 1 n A-r-(0).1 b. Would your project affect the potent al use of solar energy by adjacent properties? If so, -generally describe. D c. What kinds of energy conservation features are included in the plans of this proposal? • List other proposed measures to red ce or control energy impacts, if any: lti. v1-AT I oAJ A►Uc wti1/4.1170 J R-r A L.)tL�' r-A tJ 1 LD I►.1 L 7. ENVIRONMENTAL HEALTH a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fire and explosion, spill, or h zardous waste, that could occur as a result of this proposal? If so, describe. imtn. j1✓ p�s� O s ILt_ A n1 O Li.- 'FP._.p o�- �v6-t- ►� V� 1) Describe special emergency services hat might be required. PnLILi✓ Aivp its SER-vtc•_z_ wnuL.2 13E- T%1'PiCAL. OV' A IIJ Mat Pa_VLtrorWAM; 2) Proposed measures to reduce or control environmental health hazards, if any: Jvoh.7.- A . Pr---P-►^�I=O IV L-S- A1zY• • • 6 • Environmental Checklist b. Noise • 1) What types of noise exist in the a ea which may affect your project (for example: traffic, equipment,operation, other)? ALle-`P--Dolor, T- .FF� Na I.S- FQ_D ry 1--L10S• A;NiP LO 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 cme from the site: Goy VC..,-l-to r� NO I t.JDU "FP-O►'Lt 12AW1,-1 ( A A-r -rtt•rz 'E.R-t-tEs-r) `ro ( r M i.J Wz K P16<'r S ".NIP AT v P-XD14`f S. Lo h1 L GAtUSE. Sow. Mot Ste. 3) Proposed measures to reduce or ,ontrol noise impacts, if any: • G-o►.s-T?-V C r I o i j fie-- I=-I n.16 I. 1SI �S t•EDUr-S. 8. LAND AND SHORELINE USE a. What is the current use of the site and adjacent properties? VA«IU-� L.A►J.. , Amp &L� FAWN.t L.`( V--ra-51.113F iLi '. b. Has the site been used for agriculture? If so, describe. 1,40 c. Describe any structures on the site. Two -OUTS rV LL_1P I hi(,S tS-[' oGv S.-r>- d. Will any structures be demolished? If so,what? Y \1 - Two tST Ih)6 you wAt,l. e. What is the current zoning classification of the site? f. What is the current comprehensi a plan designation of the site? S1wro�G far-�t��f lz-G-e- � 't - JTf g. If applicable,what is the current s oreline master program designation of the site? 'JOT �cPPf-t $trC. h. Has any part of the site been cl ssified as an "environmentally sensitive" area? If so, specify. I. Approximately how many people would reside or work in the completed project? C243 vA.)tTs) ,Sr W/V UNIr)^ 9S "' - 0/0 C � 7 • • Environmental Checklist j• Approximately how many people would the completed project displace? f a_o r 1-5- ►J TE}F T t..1 o F IS1'1 1-t a as k• Proposed measures to avoid or reduce displacement impacts, if any: IV 0 I. . Proposed measures to ensure th proposal Is compatible with existing and projected land uses and plans, if any: 4:111- Crao Posat.t. I . Goy S t STt-Znrt- W t t 1-{ 1Z.T-7._ 7 To w zOn9 t rJ 6 A-h,1p GOc1.t P P E-41V s 1 L9 E-f A r.) 9. HOUSING • a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-income housing. iMt 1?ot-1 .. t IJc-01 1-k-[" VN ITS aF b• Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or low-income•housing. • • TWa UI )tvs ov- wAt P L-1 l NLo Ll. l.1") LJo U LAD 'a-L-t 1"�1 P• • • c. Proposed measures to reduce or co trol housing impacts, if any: JOh11£- P.?—- ,X7 - ismil !V r '- ' A 12-1/4�. 10. AESTHETICS a. What is the tallest height of any pr posed structure(s), not including antennas; what is the principal exterior building materi 1(s) proposed. c -rg_uLTv e-il.s ,,v!L.-I r- PST > ►0ro 1,J ZorV t Z. t'To?-ti _ A ti.� 3a 6 H 1;t�v�kT Ll r^t'� D "MET, k-t "PR-t Nc-t 17 A L. �-se-T rE-12-l 0 R. 8=0 NC= LJIL L sE_ WOO,'p. b• What views in the immediate vicinity would be altered or obstructed? • T�!E Q>✓o�[z-Q-TY L, A} r_ TO P O LA L42 w KILL-. T'1-F c t,`C V t E-LIS A r 1+I F.-e T w I t,c, y3'E PR 7 w� -r w o D�- rt�tr-F �1� ;2T11 ss N1� Z-�-i TYt S-C" Ta T'N iUo2-1_14, c. Proposed measures to reduce or control aesthetic impacts, if any: T'1-t Oj t.c - I S t p r,,p To F� t1-`t /VE-1 �N'�o>=t-�pQ-1�- A7Prf1 D A.L. TIVE Sl/U�L� A) �F�tti-LE 1P ►S172F_S AR-� 11. LIGHT AND GLARE a. What type of light or glare will the pr posal produce? What time of day would it mainly occur? STR--F-T �.t HT V i=c�IL—LE FP-4 R`C oF-- Ll(v tlT' A.x.kr) . r>z��T L-1A HTS1.416 LL gr.-It-V=1/4W o11/47 F•z 1:20 1= re) 177w i~!„ - b. Could light or glare from the finished roject be a safety hazard or interfere with views? IJo SA'ft.rt is t k?F.LTE. APJ-I�cT�,Lrf- rgoP ri 24. IMA`c —15:) il7lGNT'TI S- (.t6N - VGIJI:I.b. • • • 8 • Date: A A hl . It f ,"'�17:1+_O��.� 'ENT P't12,.'a :i i e�_ry'7 ('Y CITY Yl OF REM,.' 'i �,. RE.C7TVED FirstArnerican Title I surance Company BUILDER/DEVELOPER SERVICES DIVISION 2101 FOURTH AVENUE, SUITE 800 * 'EATTLE, WASHINGTON 98121-9977 BUILDER TITLE OFFICER: DIC A CAYS PHONE: (206) 615-3072 E-MAIL: dcays@firstam.com FAX NO.: (206) 615-3059 SUBDIVISION UARANTEE ORDER NO. 502168K-9K LIABILITY: $1,000.00 TAX: 117.20 FEE: $200.00 - FIRST AMERICAN TITLE INSURAN E COMPANY, a California corporation, herein called the Company, SUBJECT TO THE LIABILITY EXCLUSIONS AND LIMITATIONS SET FORTH B. LOW AND IN SCHEDULE A GUAR TEES RCA/HUITT - Z LLARS INC herein called the Assured, against actual loss of exceeding the liability amount stated above which the Assured shall sustain by reas n of any incorrectness in the assurances set forth in Schedule A. LIABILITY EXCLUSION AND LIMITATIONS 1. No guarantee is given nor liability`assu ed with respect to the validity, legal effect or priority of any matter sh wn herein. ii 2. The Company's liability hereunder shal be limited to the amount of actual loss sustained by the Assured because f reliance upon the assurance herein set forth, but in no event shall the Company's liability exceed the liability amount set forth above. 3. This guarantee is restricted to the use o f the Assured for the purpose of providing title evidence as may be required whe subdividing land pursuant to the provisions of Chapter 58.17, R.C.W., . d the local regulations and ordinances adopted pursuant to said statute. It is of to be used as a basis for closing any transaction affecting title to said prope ty. Page 1 WA-97 (5/95) Y . SUBDIVISION GUARANTEE ORDER NO. 502168-9K SCHEDULE A The assurances referred to on the face page are: A. Title is vested in: MARY D. SHANE, AS HER SEPARATE ESTATE, AS TO PARCELS A AND B; HOWARD H. LAPLANT AND MtJRIEL E. LAPLANT, HUSBAND AND WIFE, AS TO PARCEL C; AND MICHAEL D. WATSON AND LILLY L. WATSON, HUSBAND AND WIFE, AS TO PARCEL D B. That according to the Company's title plant records relative to the following described real property (including thos'Ie records maintained and indexed by - name), there are no other documents ffecting title to said real property or any portion thereof, other than those show below under record matters. The following matters are excluded from the coverage of this guarantee: 1. Unpatented mining claims, reservation or exceptions in patents or in acts authorizing the issuance thereof. 2. Water rights, claims or title to water. 3. Tax Deeds to the State of Washington. 4. Documents pertaining to mineral estates. Description: PARCEL A: ` TRACT 262 OF C. D. HILLMANS LAKE ASHINGTON GARDEN OF EDEN DIVISION NO. 4, ACCORDING TO PLAT RECORDED IN VOLUME 11 OF PLATS AT PAGE(S) 82, IN KING COUNTY, WASHINGTON; EXCEPT THE SOUTH 238.72 FEET THEREOF AND; EXCEPT THAT PORTION OF TRACT 26 , DESCRIBED AS FOLLOWS: COMMENCING 60 FEET EAST OF THE NORTHWEST CORNER THEREOF; THENCE SOUTH FOLLOWING THE WEST LINE OF SAID TRACT 135 FEET; THENCE FOLLOWING THE NORTH LINE OF SAID TRACT 90 FEET; THENCE NORTH FOLLOWING THE WEST LINE OF SAID TRACT 135 FEET TO THE NORTH LINE THEREOF; THENCE WEST ALONG THE NORTH LINE 90 FEET TO THE POINT OF BEGINNING AND LESS THE NORTHERLY 100 FEET OF THE EASTERLY 102.3 Page 2 WA-97 (5/95) } Y . ORDER NO. 502168-9K FEET THEREOF; AND TRACT 273 OF C. . HILLMAN'S LAKE WASHINGTON GARDEN OF EDEN DIVISION NO. 4, AC ORDING TO PLAT RECORDED IN VOLUME 11 OF PLATS, AT PAGE 82, IN KING COUNTY, WASHINGTON; EXCEPT THE NORTH 200 FEET THERE F. PARCEL B: TRACT 273 OF C.D. HILLMAN'S LAKE ASHINGTON GARDEN OF EDEN DIVISION NO. 4, ACCORDING TO PLAT RECORDED IN VOLUME 11 OF PLATS AT PAGE(S) 82, IN KING COUNTY, WAS INGTON; EXCEPT THE NORTH 200 FEET THERE F. -PARCEL C: EAST 63 FEET OF THE NORTH 200 FEE OF TRACT 273 OF C.D. HILLMAN'S LAKE WASHINGTON GARDEN OF EDEN DIVISION NO. 4, ACCORDING TO PLAT RECORDED IN VOLUME 11 OF PLATS AT PAGE(S) 82, IN KING COUNTY, WASHINGTON. PARCEL D: THAT PORTION OF TRACT 262 OF C.H. HILLMAN'S LAKE WASHINGTON GARDEN OF EDEN DIVISION NO. 4, ACCORDING TO PLAT RECORDED IN VOLUME 11 OF PLATS AT PAGE(S) 82, IN KING COUNTY, WASHINGTON, DESCRIBED AS FOLLOWS: COMMENCING AT A POINT 60 FEET E ST OF THE NORTHWEST CORNER OF SAID TRACT 262; THE SOUTH 135 FEET PARALLEL WI THE WEST BOUNDARY OF SAID 'TRACT; THENCE EAST 90 FEET PARALLEL WI THE NORTH LINE OF SAID TRACT; THENCE NORTH 135 FEET PARALLEL ITH SAID WEST LINE; _ THENCE WEST 90 FEET TO THE POIN OF BEGINNING. Record Matters: 1. THE 1999 TAXES, AS BILLED AN 4 PAID, REFLECT A SENIOR CITIZENS EXEMPTION AS ALLOWED UNDER RCW 84.36. ANY CURTAILMENT OF THE EXEMPTION MAY RESULT IN AN ADDITIONAL AMOUNT BEING DUE FOR THE CURRENT YEAR AND FOR ANY RE- ASSESSMENT OF LAND AND IMPROVEMENT VALUES. FOR FURTHER INFORMATION ONTACT: KING COUNTY: (206) 296-5151 (AS TO PARCEL C ONLY) Pag 3 WA-97 (5/95) ORDER NO. 502168-9K NOTE #1: GENERAL TAXES FOR THE YEAR 1999 WHICH HAVE BEEN PAID. AMOUNT: $819.06 TAX ACCOUNT NO.: 334390-2763-04 ASSESSED VALUE OF' LAND: $55,000.00 ASSESSED VALUE OF IMPROVEMENT: $36,000.00 (AS TO PARCEL C) NOTE #2: GENERAL TAXES FO THE YEAR 1999 WHICH HAVE BEEN PAID. AMOUNT: $1,060.20 TAX ACCOUNT NO.: 334390-2322-08 ASSESSED VALUE OF' LAND: $79,000.00 ASSESSED VALUE OF IMPROVEMENT: NONE (AS TO PARCEL A) NOTE #3: GENERAL TAXES FO THE YEAR 1999 WHICH HAVE BEEN PAID. AMOUNT: $1,100.32 TAX ACCOUNT NO.: 334390-2760-07 ASSESSED VALUE OF LAND: $82,000.00 ASSESSED VALUE O IMPROVEMENT: NONE (AS TO PARCEL B) NOTE #4: GENERAL TAXES FOR THE YEAR 1999 WHICH HAVE BEEN PAID. AMOUNT: $1,754.05 TAX ACCOUNT NO.: 334390-2322-08 ASSESSED VALUE OF' LAND: $58,000.00 ASSESSED VALUE OF IMPROVEMENT: $73,000.00 (AS TO PARCEL D) 2. TERMS AND CONDITIONS OF CITY OF RENTON ORDINANCE NO. 4362: RECORDED: SEPTEMBER 2, 1992 RECORDING NO.: 9209021077 3. DEED OF TRUST AND THE TERMS AND CONDITIONS THEREOF: GRANTOR: MICHAEL D. WATSON AND LILLY L. WATSON, HUSBAND AND WIFE TRUSTEE: COMMONWEALTH LAND TITLE INSURANCE COMPANY, A PENNSYLVANIA CORPORATION BENEFICIARY: INVESTORS MORTGAGE COMPANY, A WASHINGTON LIMITED PARTNERSHIP AMOUNT: $85,000.00 Page 4 WA-97 (5/95) ORDER NO. 502168-9K DATED: SEPTEMBER 23, 1993 RECORDED: SEPTEMBER 28, 1993 RECORDING NO.: 9309281249 (AS TO PARCEL D) ASSIGNMENT OF BENEFICIAL INTEREST BY SUCCESSIVE ASSIGNMENTS, THE LAST OF WHICH WAS: ASSIGNEE: MANUFACTURERS AND TRADERS TRUST COMP RECORDED: JUNE 694 RECORDING NO.: 94060604811 NOTE: WE FIND NO RECONVEYANCE OF RECORD FOR SAID DEED OF TRUST. 4. DEED OF TRUST AND THE TERMS AND CONDITIONS THEREOF: GRANTOR: MICHAEL D. WATSON AND LILLY L. WATSON, HUSBAND AND WIFE TRUSTEE: FIDELITY NATIONAL TITLE CO OF WASH, A WASHINGTON CORPORATION BENEFICIARY: WASHING ON MUTUAL BANK AMOUNT: $100,000.00 DATED: FEBRUARY 23, 1996 RECORDED: MARCH 4, 1996 RECORDING NO.: 9603040232 (AS TO PARCEL D) 5. RESTRICTIONS, CONDITIONS, DEDICATIONS, NOTES, EASEMENTS AND PROVISIONS CONTAINED AID/OR DELINEATED ON THE FACE OF THE PLAT RECORDED IN VOLUME 11 OF PLATS AT PAGE(S) 82 IN KING COUNTY, WASHINGTON. DATED: November 30, 1999 AT 8:00 A.M. TITLE OFFICER PS/EJH Page 5 ;WA-97 (5/95) NOTICE 1' ORDER NO. 502 i V :i SUBDIVISION H RI man.5 L%; This Sketch is furnished as a courtesy only by First American RCDG NO./VOL & PG. VS Z Title Insurance Company and it is NOT a part of any title N OTR N[ SEC S TWNSHP Z3/ RNG SC commitment or policy of title insurance. —" This sketch is furnished solely for the purpose of assisting in • locating the premises and does not purport to show all highways, ,•'' I���'° roads,or easements affecting the property. No reliance should W E be placed upon this sketch for the location or dimensions of the \`property and no liability is assumed for the correctness thereof. • • • • R£N7707I50 BJ/.o,. � i 1s� V\ �_ I! T I 03 3 W ¢1:-. � •`.,,t 4''f ¢ /0243 ,ta `. 1y i0,.Z 14err- ,%t w --r .>_ t • ". .. • -,.•: •..2, _ . /••. —__V_ .r°'.+ g12g 06 ti Q • /0/L/_ aY. a -� l- a * t "" + 9L.3 r: � u ^ra. s os _ d Q/oL B/C r Z w2„e,a. 43 /. ". • • 21.31.41, I I ; N a `s ' I 1 24°Zon 13Z}Ik a;a' i ii.I 00,. � o'� W ^ ° 1 , " : - , 3 --t _ ' • A'. v,G to't9 °, 12 I • I i \I cd1e , ° 0 00 7' 4.487(✓) \ 0• 1 NE 24TH ST I. ,a r e 9, ° \ e .4 r 'x_i ° d •Atv,`;o 1--,.ram .- " • / 0 ry - '\,% '�IV st >c••• 5,,,, -v a_als__- — s• t ;C__ 9 - -- _ A° ti I ,,‘ ^' 7"�.0 j I• e ^ RENSPl24-78-781214 902 0 o: ♦ Q • '' ^ °Oss0 1 "or / T 2 F- I • � r ry° /,� ' a/959 t c-- {rs 5.,s ..I^J- ,2G oa �� I tpG� . I ,° �,JC)B•Dy•yq c J87/7(Sf! ylI :::::; 3., I .,�I t,CI - ^ w M1�e, `s ,c14.133:4- --- LNRENSP 60 87I 880509900a 1 $I cz -- 2 Luz., jOTs a.i. .,72•,v'/z-/ )ooi8o M �I __ -i /ss A � lot 2 il • .1 I /t I . , 1 .\\ it ^ '+ :t., i z� 0 �1 )! NE 21S N lot 3 hI7 >N °' �-2aa9 N 3O I _ al.Nh, d tn._") 11—. I O J r' G� , /so y5 ,7' a n ,Z µ ;) Y .1 , - n•e9•z9e 0 .� ' —_/E7-: 9e o :0 zu•so-u' 6,- L,::;‘,00:; A'• t�.,°�1 0 i..'`0 4 i l a' 7zlc - _5L ,�,L...... c" tid'otitt� I,0♦ti• 1•a'f'4v t `, Z, o�cI ° lot 4 0, ` ' Jae•/c•/rE l�a ' ' "',+° /,, I e° . et`'t. 9,.sI �- I n _ aoI !o sg` / � I r 1323.78VVV 1 rq�o S. 4'S- 3 - 5 M B9 I e, `t J / '_�_� G ,S wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww City of Renton WA Reprinted: 12/22/99 14:18 Receipt wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww Receipt Number: R9906356 Amount: 15.84 12/22/99 14:18 Payment Method: CASH Notation: POSTAGE Init: LMN DEVELOPMENT PL N',I1NG CITY OF RENTON Project #: LUA99-187 Type: LUA Land Use Actions 2 Parcel No: 334390-2763 DEC 9 1999 Site Address: 1917 NE 24TH ST ® g� Location: SOUTH SIDE OF NE 24TH ST, BTWN KENNEWICK AV & f C E \,7Eft,! 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[EXPIRES 8/17/00 ,,..... .- - . 814 East Pike Street '\ Seattle,WA 98122 (206)324-5500 1 1 i 15-0275.01 First Builders at Renton TABLE OF ONTENTS DRAINAGE REPORT I. PROJECT OVERVIEW p. 3 II. PRELIMINARY CONDITIONS SUMMARY p. 5 III. OFF-SITE ANALYSIS p. 6 • IV. RETENTION/DETENTION ANALYSIS AND D SIGN p. 7 A. Existing Site Hydrology p. 7 p. 8 B. Developed Site Hydrology - C. Hydrologic Analysis p. 9 i. Detention Facility Sizi g p. 9 ii. Water Quality Treatm-nt Vault Sizing p. 10 D. Retention/Detention System ' p. 10 V. CONVEYANCE SYSTEMS ANALYSIS AND DESIGN p. 10 VI. SPECIAL REPORTS AND STUDIES p. 11 VII. BASIN AND COMMUNITY PLANNING AREAS p. 11 VIII. OTHER PERMITS p. 11 IX. EROSION /SEDIMENTATION CONTROL DESIGN p. 11 X. BOND QUANTITIES,WORKSHEET, RETENTION/DETENTION FACILITY SUMMARY SHEET AND SKETCH,AND DEC ARATION OF COVENANT p. 11 .�XI. MAINTENANCE AND OPERATIONS MANU L p. 12 J:\ISD2mond\word\repod,thonml.doc - 1 15-0275.01 First Builders at Renton FIGURE 1 TIR WORKSH' ET FIGURE 2 SITE LOCATI•N FIGURE 3A AREA DRAIN AGE BASIN MAP FIGURE 3B AREA SITE C ARACTERISTICS—CONTOURS FIGURE 3C EXISTING SITE SUBBASIN MAP FIGURE 3D DEVELOPED �ITE SUBBASIN MAP FIGURE 3E SITE CONVEYANCE SYSTEM MAP FIGURE 4 SOILS MAP/GEOTECHNICAL REPORT APPENDIX 1 DOWNSTREAM FLOW PATH SCHEMATICS APPENDIX 2 SYSTEM CAL ULATIONS AND DESIGN Isopluvial Maps Detention Pipe Sizing for the 2, 10 and 100-Year Events Water Quality Treatment Vault Sizing Calculations Conveyance Calculations for the 25-Year Event Backwater An lysis for the 25 and 100-Year Events APPENDIX 3 WATER QUALITY TREATMENT DOCUMENTATION APPENDIX 4 BOND QUANTITIES WORKSHEETS APPENDIX 5 RETENTION/DETENTION FACILITY SUMMARY SHEET AND SKETCH APPENDIX 6 DECLARATION OF COVENANT APPENDIX 7 MAINTENAN E AND OPERATIONS References • City of Renton Design and Construction Standards and Specifications revised May 1997. • Washington State Department of Ecology, Storm Water Management Manual for the Puget Sound Basin, February 1992. • King County,Washington, Surface Water Design Manual, November 1994 and September 1998. • WaterWorks Ver.4.13c, Storm Drainage Analysis Software, 1996. J:\150Ds01\c1\w.dvepwt\drartMl.tlac 2 li 15-0275.01 First Builders at Renton i SECTION I. PROJECT OVERVIEW This Drainage Report documents the design of th 'storm drainage system for First Builders' Proposed �_ Subdivision along NE 24th Street in Renton.The p posed subdivision is located between Jones Avenue NE and Aberdeen Avenue NE,and is situa'ed in the East Lake Washington drainage basin, southwest of May Creek. The attached Figure 1 is a copy of the Technical In ormation Report (TIR) worksheet (from Reference 10- B of the Surface Water Design Manual). Figure 2 contains a map showing the general location of the site with roads and significant geographic features identified. Figures 3A and 3B contain additional site characteristics. The project consists of clearing, grubbing, grading and hydroseeding 4.35 acres on the south side of NE 24th Street directly across from Monterey Avenue NE. The existing project site contains two existing i houses, a garage, and a concrete pad that may have served as a foundation for a former garage.The existing impervious area adds up to approximately 7,820 SF or 0.18 acres.The remainder of the site consists of a dense cover of blackberries and Alde trees as well as several native Douglas Firs. The proposed subdivision will contain approximately 28 units.The average footprint of each proposed unit is 2,400 SF or 0.055 acres.The subdivision will contain approximately 700 LF of public road with a cul-de-sac at the end of it. Surface water from small amounts of the existing property drain toward NE 24th Street that contains no curbs, gutters or sidewalks on the south side of th I street. It does, however, contain a series of catch basins that convey storm water both east and wes along NE 24th Street. The portion of the street where the subdivision will connect to happens to be the igh point of the street that is why some runoff will flow in each direction.The existing storm drainage,system along NE 24th Street does not appear to meet the minimum storm drainage requirements olutlined in the City's Standard Specifications for Municipal Construction and Standard Details manual. As part of our project We propose to construct half street wide improvements to that portion of NE 24th Street that adjoins the proposed development. The half street wide improvements include extending a sewer main, paving and installing curb and ' gutter. After the storm water is collected and conveyed in a public conveyance system to an underground detention vault at the south end of the property,the entire storm event will pass through a "Stormwater _ Management"water treatment vault. Following treatment,the storm water will be released through a level spreader over the southwestern property line and continue along it's predeveloped route over private property,toward Jones Avenue NE and NE 20th Street. The proposed detention and treatment facilities will be located in the public right-of-way and have been designed to detain and treat storm water which reaches the proposed street/right-of-way as well as the alley behind the northernmost lots. This excludes all roof drains and some portions of private landscaping, private walkways and private driveways. Based on the soils information available,the soils are Indianola soils, known for high degrees of infiltration. For this reason, roof drains will be directed toward dry wells on individual lots. , J:\15027501\ct\wordpeport\drorlMI doc 3 15-0275.01 First Builders at Renton In the post-developed condition, storm runoff from the northwest portion of the site will continue draining to the west, storm water from the east portion of the site will continue draining to the east, and storm water runoff from the remaining site will drain to the southwest.The proposed drainage system will collect the runoff from the proposed street,all y and portions of the surrounding lots. The collected storm water will be conveyed to the detention and treatment facilities at the south end of the site. See Figures 3C, 3D and 3E. The approximate size of the drainage basin draining into the proposed street and into the detention vault includes 1.52 acres, 0.66 acres of which is im ervious. The remainder is runoff from landscaping. In an effort to mitigate the impacts of developmen ,the project proposes to meet the standards established by the City of Renton Design and Construction Standards and Specifications, revised May 1997. While there is an increase in the volume of s orm water runoff due to the reduction in pervious surface,the detention system will detain storm wa er to pre-developed rates.The use of a storm water treatment vault downstream of the site reduces th potential for introducing pollutants from the proposed street into the downstream system. There is no existing storm water system at the proposed site. Storm water primarily infiltrates on site, flows as surface and near surface water onto neigl bor's properties, or drains into the drainage system along the street.The storm water leaving the south and west portions of the property flow overland to Jones Avenue NE and NE 20th Street. From there the storm water is collected into a storm drain system and conveyed north. The storm water leaving the ast end of the property flows overland toward Aberdeen Avenue NE where it is collected and conveyed in an existing storm system. The proposed storm water system for First Builder' proposed subdivision consist of the following elements: Collection: Catch basins will be spaced to limit surface flow and shall conform to City of Renton requirements. Conveyance: A piped system along the proposed street has been designed to convey the 25-year event into the proposed detention vault system and treatment va It at the south end of the proposed street without causing any backwater. See Section V, Conveyance System Analysis and Design for additional information. Detention: Detention is proposed to be provided for in the prolposed detention vault that has been designed to accommodate the 2, 10 and 100 year, 24 hour events. A 30% factor of safety has been added to obtain a final vault size of 8 feet deep x 20 feet wide x 90 f-et long. J:\15027501\et\word%roport oraBMt.tloe 4 15-0275.01 First Builders at Renton Treatment: Treatment is proposed to be provided by a water 'uality treatment vault manufactured by Stormwater Management and located on the south portion oft e property. See Appendix 2 for Water Quality Treatment Vault,Sizing Calculations and Appendix 3 for documents in support of Stormwater Management's water quality treatment system. Discharge: The drainage then exits the site by way of a level s reader located at the southwest corner of the site. SECTION II. PRELIMINARY CONDITIONS SUMMARY The project site is located within a developed neighborhood with ground surface elevations ranging from approximately 306 to 266 feet. See Appendi 1. Two small ponds exist adjacent to Jones Avenue E, directly west of the proposed site.There is also an existing drainage ditch approximately 200 feet east of Jones Avenue NE that parallels the avenue. There also exist numerous drainage ditches on the edge qf the streets surrounding the block that occasionally contain standing water as most of the storm drainage around the block is conveyed in open ditches. No apparent water bodies or surface water drainage courses have been observed on the proposed site. Neither have surface waters been observed discharging onto the site from adjacent areas since the central portion of the proposed site is at a relative high point with respect to the elevations throughout the block. NE 24th Street contains a storm drainage system which conveys storm water east and west from the proposed site. There are moderately steep slopes that range from approximately 17 -28% along the southern and southwestern portions of the property. Otherwise, lopes range from 5- 13% throughout. There is no apparent drainage system at the proposed project ite. Surface runoff leaving the property eventually flows to the existing drainage swale across Jones Avenue NE and is conveyed northward through additional swales that parallel SR-405 for approximately 1,000 feet. Drainage maps obtained at the City of Renton indicate that the storm water is then con eyed under the highway and flows west to Lake _ Washington. Existing Blackberry vines,Alder trees, and Douglas Fir form the principal vegetation on the site. We did not observe any creeks downslope of the propose site although we did find numerous swales that conveyed up to two or three inches of water. There)is an existing blueberry farm on the south side of NE 120th Street, between Jones Avenue NE and Aberdeen Avenue NE that contains various swales throughout. Between the blueberry farm and the proposed site,there appears to.be an area that could hold water but no standing water was observed during our field visit other than what was observed within the drainage swale. See Appendix 1, Downstream Flow Path Schematics. J:\I5017501\ct\wortl\report\crcltMl.doc 5 15-0275.01 First Builders at Renton Figures 3A though 3E show the drainage basins, s bbasins and site characteristics for the project including the acreage of subbasins, existing disch rge points to and from the site, existing construction and future flows at all discharge points. Figure 4 s ows the soils within the project site,the area draining to the site, and the drainage system downstream of the site for the distance of the Downstream Analysis. See the geotechnical report for additional information. A CN value of 55 for the group A Indianola soils was used for the preliminary conditions calculations. See Figure 4 for additional information. SECTION III. OFF-SITE ANALYSIS A. Upstream Analysis From our observations, it does not appear as if sto m water from an upstream basin is conveyed onto or through the site since the proposed site is at a r lative high point with respect to the elevations throughout the block. B. Downstream Analysis, see Appendix 1. The proposed site runoff will release in three general directions,to the east,to the west and to the southwest. See Figures 3C and 3D. Except for runoff from roofs which will be directed to dry wells, storm water runoff from the east portion of the site will continue draining overland to the east. This runoff is strictly from the landscaped areas of homes on the east side of the development and not from the street. Again, with the exception of roof runoff, storm water runoff from the west portion of the site will continue draining to the west to Jones Avenue NE and toward SR-405. This runoff, like runoff on the east side, is strictly from the landscaped areas of homes on the west side of the development and not from the street. Storm water runoff from the remainder of the site will drain to the southwest. The proposed drainage system will collect the runoff from the proposed street and the portions of the surrounding proposed lots and convey it to the detention and treatment facilities at the south end of the site. After the storm water is collected and conveyed to a series of underground detention vaults at the south end of the property,the entire discharge will pass through a water quality treatment vault manufactured by "Stormwater Management". Because the flows leaving the site are so small,the 100-year outflow is 0.08cfs,we propose to convey the entire runoff through the treatment system rather than just the 6- month event. Following treatment,the storm water will be released through a level spreader over the southwest property corner and continue along it's predeveloped route over private property and then toward Jones Avenue NE and NE 20th Street. The 2, 10 and 100-year release rates at the property corner are 0.01, 0.04 and 0.08 cfs respectively. J:115027501\dlwortlVeporndrafiMl.tloc 6 15-0275.01 First Builders at Renton Once the storm runoff is collected in the existing rainage system along a swale, approximately 200- feet east of Jones Avenue NE and paralleling it,th storm water is conveyed north and routed through two ponds located on private property.The ponds are on the property of those residents living at 1725 NE 24th Street and 2216 Jones Avenue NE. Storm I ater flows out of the ponds through a 24-inch - culvert across Jones Avenue NE and again enters nother swale on the west side of the road. From here,the storm water flows northwest through a 1 -3 foot wide swale that meanders through thick blackberries.When the swale reaches NE 24th Ave ue, it is combined with storm drainage being routed from the east.The combined flows are conveyed orth under NE 24th Street and enter yet another swale. From this point,the swale continues it's no hern journey along the east side of SR-405.When the storm drainage reaches the west end of NE 27t, Court, it is conveyed west under the highway through a storm drain pipe to the west side of SR- 05.The storm water is then conveyed an additional 2,000 feet west of the highway before it enters Lake Washington.The drainage basin is the East Lake Washington drainage basin, south of the May Creek drainage basin and north of the Cedar River drainage basin; see Figures 3A,3B, 3C, 3D and Section V, Conveyance System Analysis and Design for additional information. C. Review of Pertinent.Resources The site was checked for sensitive areas using the ecember 1990 Sensitive Areas Map Folio. We did not observe or uncover any information that would indicate that there are sensitive areas at or adjacent to the site.The King County Soil Survey indicates the site has Indianola Series soils (see attached soils map in Figure 4). SECTION IV. RETENTION/DETENTION AN YSIS AND DESIGN A. Existing Site Hydrology The existing site is made up of three drainage subbasins. It was analyzed using WaterWorks. For this site, P2-= 1.97 inches, P10 = 2.87 inches, P25 = 3.4 ihches, and P1oo = 3.87 inches (see Appendix 2 for Isopluvial Maps). The Santa Barbara°Urban Hydrograph Method (SBUH) was used in the hydrology analysis which is an acceptable method recognized by the City of Renton and the Washington State Department of Ecology. J The basin consists of 4.35 acres containing two re idences with associated garages and sheds, blackberry vines, and a scattering of Alder and Douglas Fir trees. The basin has a CN value of 55 for the group A Indianola soils; see Figure 4. It is proposed that the 4.35 acres be mass graded and converted to a residential subdivision.The existing time of concentration for the entire site is 56 minutes. The existing 100-year peak flow is 0.08 cfs,which produces a peak volume 4,069 CF (0.093 Acre-feet). 1 Peak runoff rates for the existing and developed conditions are tabulated below. Note that the largest of the three existing subbasins, subbasin "South", contains the lowest peak flows. One might expect this subbasin to have the greatest peak flows of the three.This is attributed to the "South" subbasin having no impervious surface, a greater time of concentration and denser landscaping.The other two subbasins have 8 and 11% of impervious surface areas. 7 J:N 15027.01\d\wed\roporndraRM l.doe 15-0275.01 First Builders at Renton B. Developed Site Hydrology The developed basin for the proposed subdivision consists of the same 4.35 acres. The subbasins that drain to the east and west will not contain any roadway runoff and will therefore not be detained or treated. Most of the runoff from these two subbasi s will be from roofs that will be conveyed to dry wells.The remainder of the lots consisting of runo' from landscaping will either drain into the roadway or off-site to the'east and west. What flows into th:-'iroadway is ultimately conveyed to the south end of the property. The subbasin that drains to the south and is detained and treated consists of 0.86 acres of landscaped area (CN = 68) and 0.66 acres of impervious surfa.e (CN = 98).The developed time of concentration for the entire site is 10 minutes.The developed 2-y-ar peak flow is 0.26 cfs which produces a volume of 4,792 CF (0.11 Acre-ft). The developed 100-year pe:k flow is 0.69 cfs which produces a volume of 12,197 CF (0.28 Acre-ft). Hydrograph Summary (Existing) Qpeak(CfS) Existing Conditions Basin Area (ac) 2-year 10-1/ear 25-year 100-year East 1.40 0.04 0.0 0.09 West 0.61 0.03 0.04 0.06 South 2.34 0.01 0.04 0.08 J:\15027501\cr\worE\report\dratIMl.aoc 8 15-0275.01 First Builders at Renton Hydrograph Summary (Developed) Qpeak (cf-) Developed Coiditions Basin Area (ac) 2-year 10-vear 25-year 100-year South 0.26 0.414 0.57 0.69 CB1 0.09 0.10 CB2 0.06 0.08 CB3 0.03 0.03 CB4 0.05 0.06 • CB5 0.02 0.02 CB6 0.06 0.07 CB7 0.05 0.05 CB8 0.01 0.01 CB9 0.01 0.01 CB10 0.05 0.05 CB11 0.06 0.07 CB12 0.04 0.05 CB13 0.17 0.19 C. Hydrologic Analysis i. Detention Facility Sizing The proposed detention facility consists of a 90 LF detention vault that has been modeled to restrict the developed 2, 10, and 100-year runoff to the pre-de i eloped 2, 10 and 100-year rates. Because the 2-year predeveloped rate is so small, 0.01 cfs,we are unable to model half of that rate and have designed the system to release the entire existing 2-year event. (Appendix 2 contains pertinent system calculations for the detention facility analysis including Isopluvial maps. The following explains in detail the sizing of the system. J:115027501\a\word\report\tlraRMl.doe 9 15-0275.01 First Builders at Renton The detention system will restrict storm runoff froi all of the street, sidewalk,alley, as well as landscaped areas from individual lots that may dr in toward the right-of-way.To size it,the existing and developed hydrographs for the south subbasin w re compared using WaterWorks. The required detention volume is 8,787 ft3 for a 68 LF long, 20-foot wide detention vault (see attached computer output). As a factor of safety the detention vault been increased 30% to 88 LF and rounded up to 90 LF. II. Water Quality Treatment Vault Sizing The water quality treatment system was sized based on the full 2-year release rate from the detention system using the SBUH model. Using WaterWorks for computing the storm event,the required design flow was computed to be 0.01 cfs. Since this release rate is so small, and because of the treatment system we are using,we have opted to treat the full 100-year release rate which is 0.08cfs. We propose to treat the runoff with a storm treatment system developed by Stormwater Management and which has been recently accepted by the Department of Ecology as an acceptable BMP for storm water treatment, BMP 5.8. The vault is approximately 7 ftl wide x 9 ft long and 6 ft deep and contains 4 filter cartridges. Appendix 2 contains_backup information regarding the water quality treatment system. Typically,the filter cartridges are serviced by Stormwater Management and a certification of inspection would typically be provided to the Storm Water Dil ision to show that the treatment facility has been maintained and is in compliance. D. Retention/Detention System The detention storage requirements are explained above in Section IV.C. Applicable calculations have been included, see appendix 2. SECTION V. CONVEYANCE SYSTEM ANALYSIS AND DESIGN The developed site consists of one basin,the South basin,for conveyance calculations. This is because the East and Northwest subbasins are relatively small in comparison to the South basin and because the existing topography is such that the south end of the property has the lowest elevation. This allows us to construct one detention facility and one treatment facility and capture all of the stormwater that comes from the proposed streets and alleys. Portions of the Northwest basin still flow to the northwest but only those portions that are not part of the proposed right-of-way.The same goes for the East , basin. Only those portions of the East subbasin that drain into the right-of-way are conveyed to the treatment and detention facilities.The developed peak flows were calculated for the 25 and 100 year storm events, see Appendix 2. Using WaterWorks,the reach summary shows all pipe reaches to be flowing well below capacity when the 25-year event is routed through. The greatest design depth is shown at the most downstream pipe run with a 25 year design depth of 0.60 (7.2 inches). Conveyance calculations were performed based on the 25-year events per the King County Surface Water Design Manual. i 10 J:\ISVl7501\c1\wpftl\report\tlrattMl.tlpe 15-0275.01 First Builders at Renton The backwater analysis method was used to analy,e the capacity of the proposed pipe system to convey the peak rate of runoff for the 25, and 100 ear design storm events, see Appendix 2. The report demonstrates that the proposed pipe system provides a minimum of 0.5 feet of freeboard between the headwater surface (hydraulic grade line) and the top of the structure for the 25-year peak rate of runoff. The report also demonstrates that the 100-year pe k rate of runoff does not overtop any structures. • ' Tables listing pipe flow, profiles, nomographs, cha s, graphs, and detailed drawings are provided in order to confirm performance of the conveyance s stem.The calculations verify the capacity and performance of each element of the on-site conveyance system. Backwater calculations were checked and show no adverse affect using 8-inch diameter pipe throughout. SECTION VI. SPECIAL REPORTS AND STUDIES A geotechnical report was prepared by GeoEngineers, Inc. in December 1999 and has been included as an attachment with this.report SECTION VII. BASIN AND COMMUNITY PITNING AREAS The site is located in King County's East Lake Washington Basin Plan as noted on the 1998 King County Flow Control Application Maps. SECTION VIII. OTHER PERMITS Preliminary and Final Plat Approval,and Grading Permit with SEPA Review. SECTION IX. EROSION/ SEDIMENTATION CONTROL AND DESIGN It is anticipated construction of the development will take place during the summer of 2000. Existing lI catch basins along NE 24th Street will be protected with filter fabric inlet filters. A construction entrance will be constructed for all construction equipment i�o pass through. Perimeter runoff will be controlled by silt fence installed at the limits of clearing and along property lines, as needed. Other approved BMPs will be used as required. SECTION X. BOND QUANTITIES, WORKSHEET, RETENTION/DETENTION FACILITY SUMMARY SHEET AND SKETCH, AND DECLRATION OF COVENANT The Bond Quantities Worksheet is attached. See Appendix 5. The R/D Facility Summary Sheet and Sketch are attached. See Appendix 6. A Declaration of Covenant is provided in Appendix 7. J:\15027501\et\wwa\t9patt\tliaBMl.aoc 11 15-0275.01 First Builders at Renton SECTION XI. MAINTENANCE AND OPERAT ONS MANUAL The following tables listed in Appendix 8 contain lie required Operation and Maintenance Standards established by the City of Renton.They include re9uired action regarding the cleaning of catch basins, detention pipe, control structure, conveyance pipe, et.al. With respect to the treatment facility, Stormwater (Management typically services the filter cartridges and a certification of inspection would be provided to the City's Storm Water Division to show that the treatment facility has been maintained and is in compliance. The detention system contains one 90-foot long, 2 k-foot wide detention vault at the south end of the proposed site. Storm water is first conveyed into t e detention vault from the series of catch basins and storm pipes along the proposed street. It is then released into a water quality treatment vault. Lastly,the treated storm water is then released through a level spreader. During a rain event, storm water is collected inside the detention vault.The detention iiault is connected to a 54-inch diameter manhole by a 36-inch diameter pipe. The manhole contains a control structure that detains the storm water so that it leaves the detention vault at the pre-developed flow rate. Storm water being released from the control structure later enters the water quality vault followed by a level spreader and then it flows over land until it reaches the City of Renton's drainage syste along Jones Avenue NE. It is recommended that Vactor trucks be used to clean out drainage facilities such as catch basins 9 / manholes when the basin exceeds 1/3 the depth from the bottom of the basin to invert of the lowest pipe. The Operation and Maintenance Standards table lists other less common reasons and requirements for cleaning catch basins/manholes. - The project lists the trees and shrubbery that are to be planted on site. The Contractor shall notify the Owner's representative prior to any deviation from the provided the planting list as the City of Renton prohibits the planting of certain species. J:\150227501\ct\wortl\rePort\Non41 doc 12 , 4 ,mot i' Page of King County Building nd Land Development Division TECHNICAL INFORMATION REPORT (TIR) WORKSHEET PART 1 PROJECT OWNER AND " • PART 2 PROJECT LOCATION • PROJECT ENGINEER AND DESCRIPTION Project Owner .1�V Es-;wlzra'r' ;r Project Name FI�5 "b j t Lb S Address P.O.80 c 6,4.844 I N�;OA q$DES--1,4 7 Location Phone 2-r---72,• 6,S0- 82--(o5 - 1 Township Project Engineer I o,(res,p,E• Range Company 'RCA / Nu i'i+-�!I�,{-S Section Project Size 47.3 5- AC Address Phone 8 I C, iVl kE.. 5'- ' irr, .1' izz- Upstream Drainage Basin Size 0 AC 2O ) 3 -SSba PART 3 TYPE OF PERMIT APPLICATION ', PART 4""OTHER PERMITS Subdivision p DOF/G HPA Q Shoreline Management Q Short Subdivision n COE 404 = Rockery Grading I I DOE Dam Safety = Structural Vaults 0 Commercial FEMA Floodplain n Other 0 Other fl COE Wetlands 0 HPA I • PART 5 SITE COMMUNITY AND DRAINAGE:BASIN ` . ` , " o / ' Community I Drainage Basin E/+5 j LA- L AS 14i N E►TC►f - PART.6'SITE"CHARACTERISTICS 0 River I I Floodplain O Stream • , III J Wetlands fl Critical Stream Reach Ii I Seeps/Springs I I Depressions/Swales I' I High Groundwater Table 0 Lake 0 Groundwater Recharge fl Steep Slopes li I Other _ 0 Lakeside/Erosion Hazard 'PART 7 "SOILS " . • Soil Type Slopes , ErosionPotential Erosive Velocities —1-11 c�i?:vic la. I-4- — ZF't M oae,,re,f 1 L I Additional Sheets Attatched FIGURE '1 1/90 Page 2 of 2 -King County Building and Land Development Division TECHNICAL INFORMATION REPORT (TIR) WORKSHEET '*ART 8 `DEVELOPMENT LIMITATIONS • REFERENCE LIMITATION/SITE CONSTRAINT I-1 Ch.4-Downstream Analysis E E E EE E n Additional Sheets Attatched PART 9 ESC REQUIREMENTS . • • • • MINIMUM ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS DURING CONSTRUCTION FOLLOWING CONSTRUCTION Ti Sedimentation Facilities El Stabilize Exposed Surface n Stabilized Construction Entrance n Remove and Restore Temporary ESC Facilities n Perimeter Runoff Control E Clean and Remove All Silt and Debris E Clearing and Grading Restrictions El Ensure Operation of Permanent Facilities E Cover Practices E Flag Limits of NGPES EE Construction Sequence E Other E Other *ART 10 SURFACE WATER SYSTEM- • E Grass Lined Channel E Tank • 0 Infiltration Method of Analysis 1 ICI Pipe System I Vault EE Depression 5gU F.{ Open Channel E Energy Dissapator El Flow Dispersal Compensation/Mitigation E Dry Pond 1 1 Wetland I 1 Waiver of Eliminated Site Storage i Wet Pond 1 I Stream / 1 i 1 Regional Detention - Brief Description of System Operation CiwcAge--4 p-�I Fevt e) ( cl O )4 ZO r at cp) +cl (,) , D,f? 1 !V i���F,n��� 1�2���- C l c1 ' 7c t �� j.w_ rto Facility Related Site Limitations Reference facility Limitation In Additional Sheets Attatched PART 11 STRUCTURAL ANALYSIS PART 12 EASEMENTS/TRACTS • (May require special structural review) n Drainage Easement EE Cast in Place Vault E Other n Access Easement 1-f-I Retaining Wall I I Native Growth Protection Easement I x I Rockery>4'High In Tract Structural on Steep Slope n Other •ART 14 -SIGNATURE,OF PROFESSIONAL'ENGINEER 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. 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'+Fl". ;, `. . � ._• ,r�`b Srn"i` j �:.. - _ _ _ - - -(JONES AVE.AVE.TO ABEROEEN AVE)--D 0 :•}. •Casa' _ ^tiff •u`;* J1'a,` 3A 4 •. ��- -.Z.s./- - • N.E. 24TH STREET zIR.U.1� 4, _ CO w • R _ s,� -�_'- - - _ p - - -- -- V I L' =� csa 111Ci �.7. ��nrllllllr p o _ --tT- rtla<��1 . 0 -- _- -- -- -_ -- r�+��1 rir I C �' / I N 89'07'20 E 213.1 € -2 I 1 . 01/ ir • / 40 1 (L6 LEGAL DESCRIPTION 5',EN=E • I •n 0 I 1 a a LEGEND PORTIONS OF TRACT 282 AND 273 OF C.H. 4" .b \ (O HOUSE • ® LIGHT PULL BOX o HILLMAN'S LAKE WASHINGTON GARDEN OF EDEN GARAGE I =/ tt ii: � / ENVISION NO. 4 ACCORDING TO PUT RECORDED IN CHAIN U ( I UGHT STANDARD W ARM m VOLUME 11 OF PLATS AT PACE 82, IN ANC COUNTY, I FENCE 1• F ; WASHINGTON, DESCRIBED AS FOLLOWS: THE EAST 63 • t - ® MONUMENT IN CASEFEET OF THE NORTH 200 FEET OF TRACT 273. /}I (, I I N 89'07'20- E• - THAT PORTION OF TRACT 282 COMMENCING AT A NW BASIN SH tTIII ! �j T02.63' o HUB AND TACKPOINT 60 FEET E/ST OF THE NORTHWEST CORNER �- // �E (�. / \ `�• "`l ;.'-t ��OF SAID 7T1ACi 262; THENCE SOUTH 135 FEET W \ _ I �, -jd•,- / o IRON PIPEaTHE�EAST 90 FEET PARALLELL WTH TH VIETH THE WEST BOUNDARY OF EUNORRTTH�• r✓ 1 \ ' ' 11 \ \ ! A PK NAIL 2 ' UNE OF SAID TRACT; THENCE NORTH 135 FEET - 1 .(, VI \ I (`.__'l ,\Q 5 ® NATURAL GAS METER I PARALLEL WITH SAID WEST UNE;THENCE WEST 90 1� HOUSE i �. ` • \ \ \ \ \ '� I \ -� -9- POWER POLE WITH DROPUNE i FEET TO THE POINT OF BEGINNING. N 1 n TRACT 262 EXCEPT THE SOUTH 238.72 FEET b TANK THEREOF AND; EXCEPT THAT PORTION OF TRACT 262, DESCRIBED AS FOLLOWS; COMMENCING 60 FEET EAST �3 \ \ 1 p I -0- POWER POLE WITH DROPUNE,AND TRANSFORMER o a. OF THE NORTHWEST CORNER THEREOF;THENCE �i1I \ ' 1 I 1 I I p P. ' SOUTH FOLLOWING THE WEST UNE OF SAID TRACT 1?kRAy) I 1 I uo I £-4 POWER POLE WITH LIGHTSAI FEET; THENCE FOLLOWING THE NORTH UNE OF o / �' I I 1 1 1 \ ) l SAID TRACT 90 FEET; THENCE NORTH FOLLOWING THE 5.5' WOOD P p ® STORM DRAIN CATCH BASINy. WEST UNE OF SAID TRACT /35 FEET TO THE NORTH N 89.07'20 E FENCEC 189.60'/ 1 / I 1 \ N STORM DRAIN MANHOLE 90 FEET TO THE POINT OF BEGINNING AND UNE THEREOF; THENCE WEST ALONG THE NORTH LESS THE .I I I 1 ( 1 .1�1 I I I I Il I i'1 /u. I I I \ N \. 161 one MAIL BOX • NORTH 100 FEET OF THE EASTERLY 102.3 FEET 1 I I i 1 1 I I I I 1 \1 / ^^ '� ( / I I \ J i THEREOF; AND TRACT 273 EXCEPT THE NORTH 200 1 I I 1 I \ a STREET SIGN FEET THEREOF. I ), 1 1 i I ` \ I I ` ) ` 1 1 1 1 .1' \ \ I I ` \ I I I © yWRARY SEWER MA.4HOLE o BASIS OF BEARINGS ` /Ili Ii I I 1 i \ i I I I 1 I \ \ \ 1 `� \ ` I ® TELEPHONE RISER/PEDISTAL o I BEARINGS HEREON ARE BASED URVEY-CONTROL NETWORK MOcm-OF NUMENTSEMON I\ i� / ) I I ) 1 1)(13, I I \ 5\. \ \ \ 1 �' CONIFER TREE V 1 1 YYY�� u / I v \ I 0 DEDUOUS TREE ID 7ft3 �I� / // / / i I �• I 1�9 `?'' 1 11 ) 1 l SHRUB z BASIS OF ELEVATION / �! / / / I I I I I '': 5 7 ' ELEVATIONS HEREON ARE BASED ON CITY OF RENTON / / / / / 1 I _i-�� \)� / I i I i I I 1 \ I TELEVISION JUNCTION BOX J �`?�'•" I I �$ FIRE HYDRANT C CPS SURVEY CONTROL NETWORK MONUMENTS. I I i / / / / 1 1 1 1 ) \ \ / •T'<iS',� / �� r- HOSE BIB Z BENCHMARK /334 TOP OF BRASS NAIL SET IN I \ \ f / / CONCRETE MONUMENT AT INTERSECTION OF JONESI. AVENUE N.E. AND N.E. 24TH STREET, ELEVATION - I I I / / / / ) I 1 I i ¢ 1 / / / I 1 292 ® WATER METER -(1'1_ 244.34 NAGVD 1988 US FOOT. I •I I 1 f / / I 1 1 I I I /N 89'13`58" / 252�8' / 1 pd WATER VALVE •CA UTILITY NOTES Lz " - ` / 52 / p/ iD HFENCERE O I / / I 1 \ I 1 1 1 ) \ 3oa 02 O i �� 0 NATURAL CAS UNE AG STORM DRAINAGE CATCH BASIN I�.+i,1 I I I 1 \ I I 1 1 / SO N N TAGS PNT# RIM EL NVERT EL �' ° STORM DRAIN LINE __ 1 1001 300.72 E 12'CONC W-299.01 lo,} 1 1 I 1 .,: E 6"CONC SW-299.29 I -•I�• 1 11 1 11 1 1 ( 3� i - w WATER LINE • • E 12' CONC E-299.04 III 1RI ( \ N. i / I 1 1 \ \ 01 o EAST BASIN 6P 'BURIED POWEP. I I , 2 1002' 295.02 E 12"CLIP E-291.27 3 1024 289.18 E 12' PVC NE-285.53 I1N I i r.i T TELEPHONE AREA AREA CONTAINED WITHIN DELINEATED BOUNDARY E 12' PVC W-285.48 �?I I \ \ \ I I / I I i \ae, ' / / �•V; + 4 1582 285.70 E 8' PVC N-283.70 cTfi 1 I P OVERHEAD POWER LINE EQUALS 4.35 ACRES. • E 8'CMP S..282.97 I \ I o I \ \\ \ 1 I I I Hill / I 5 'SANITARY SEWER UNE " -_ ____ __ _ 0 STORM DRAINAGE MANHOLE I I I 1 / I ) r.y • PAVEMENT -_ __ __TAG/ 1PNT#000 RIM 65 INVERT,EL I \L • I. ` �� / 1 1000 302:65--IE--12"--PVC_Ns293.05 I \x \ �� 1 2 / J na IMOM CONCRETE IE 6' PVC W-293.03 -I-II--\ \-- \_ \ � _\ 1I i \�\�\ / a r / -� � IE 12' CONC NE=296.45 _- _ - - -=- - ! ' \ 2 1026 , 286.33 IE 8'CONC N-281.33 I \ A t /- I IE 12' PVC W-2B0.55 I \ 1 1 `_� �` / / - - - 1 USE ENCROACHMENT, AREA BEING USED BY ADJACENT - - - _- • - • OWNER TO THE NORTH. II \ \ \ I I 1 \ I - _0 \ - -_ TAG# PNTI RIM EL INVERT EL III 1 I I I 1 ` /I^ I -1 I • 2 1003 294.08 IE 17 301.96 E 812' PVCS-285.08 W-2911.45 1 I \ 1 \ ` \ \ \ I. �` - `- J 1025 291.68 IE 12' PVC W-282.55 I I 11 1 \ 1 ` \ 1 \ � • / SOUTH BASIN • ` n IE 12' PVC E=282.61 \ \ ` \ \ \ 1 l _ c 2 g //I 4 1350 284.70 IE 8• PVC E-277.77 \ l ` \ _ -/ • IE 8' PVC E-277.63 -- 1\ \ \ \ \ -P6�- - . \ V_\ \ \\(�sR• 5B e// - ' 5 `' \ \ `\ \ \\ \ ,, ` / ` J FIGURE 3C\ � � _ \ � \ \ \ • _ ,� ,\ -N NOT FOR CONSiTRU(TION APPROVALS J00ENO. 27��111999 Ievletone TOPOGRAPHIC SURVEY DRAWING N0, I RcA/Hulm-,.....zouisj6PRELIMINARY PLAT DESIGNED GT,DOB PORTION OF TRACT 262 AND 273 Investment Properies, LLC DRAFTED DOB SEC b, T23N, R5E, W,M• PP-3 Load Piercing•CIA'Eng;ne.ingWa •Landscape Meo.(206e•5+5500 9•E- Faa rental 8-188a Cit1917 AND 1929 NORTHEAST 24TH STREET 1 Wirer CHECKED 5RE ADDRESS ER E.Pae St. • Seattle.Wa 96122 • Phone(200324-5500 •' Foe(206)32S-1080 Renton,WA 98056 SCALE 1'-4O' 1917,1929 NORTHEAST 24TH STREET SHEET NO. 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Q I 3.2 2 KCRTS/RUNOFF FILES METHOD—GENERATING TIME SERIES .TABLE.3.2.2.B.EQUIVALENCE BETWEEN SCS SOIL TYPES AND KCRTS SOIL'TYPES SCS Soil Type SCS KCRTS Soil Notes Hydrologic Group Soil Group .Alderwood (AgB,AgC,AgD) I C Till Arents,Alderwood Material (AmB,AmG) C Till Arents, Everett Material (An) 1 B Outwash 1 _ Beausite (BeC, BeD, BeF) 1 C Till 2 Bellingham (Bh) D Till 3 Briscot (Br) D Till 3 Buckley(Bu) I D Till 4 Earlmont (Ea) 1 D Till 3 Edgewick (Ed) C Till 3 Everett(EvB, EvC, EvD, EwC) A/B Outwash 1 --4 Indianola(InC, InA, InD) A Outwash 1 Kitsap (KpB, KpC, KpD) C Till Klaus (KsC) C Outwash 1 Neilton (NeC) A Outwash 1 Newberg (Ng) B Till 3 Nooksack (Nk) C Till 3 Norma (No) D Till 3 Orcas (Or) D Wetland Oridia (Os) D Till 3 Ovall (OvC, OvD, OvF) C Till 2 Pilchuck(Pc) C Till 3 Puget(Pu) D Till 3 Puyallup(Py) B Till 3 Ragnar(RaC, RaD, RaC, RaE) B Outwash 1 Renton (Re) I D Till 3 Salal (Sa) 1 C Till 3 Sammamish (Sh) I D Till 3 Seattle (Sk) D Wetland Shalcar(Sm) I D Till 3 Si (Sn) I C Till 3 + Snohomish (So, Sr) 1 D Till 3 Sultan (Su) C Till 3 i Tukwila (Tu) D Till 3 Woodinville (Wo) D Till 3 Notes: 1. Where outwash soils are saturated or underlain at shallow depth (<5 feet) by glacial till,they should be treated as till soils. 2., These are bedrock soils, but calibration of HSPF by King County DNR shows bedrock soils to have ' similar hydrologic response to till soils 3. These are alluvial soils,some of which are underlain by glacial till or have a seasonally high water table. In the absence of detailed stud,these soils should be treated as till soils. 4.1 Buckley soils are formed on the low-permeability Osceola mudflow. Hydrologic response is assumed to be similar to that of till soils. 4 1998 Surface Water Design Manual 9/1/98 3-25 gravelly coarse sand to very gravelly loamy sand, the presence of a consolidated substratum at a depth Depth to the IIC horizon ranges from 18 to 36 of 7 to 20 feet. This substratum is the same mate- inches. rial as that in the Alderwood soils. Some areas are up to 5 percent included Alderwood Some areas are up to 5 percent included Norma, soils, on the more rolling and undulating parts of Seattle, and Tukwila soils, all of which are poorly ' the landscape; some are about •5 percent the deep, drained. sandy Indianola soils; and some are up to 25 percent Runoff is slow to medium, and the erosion hazard Neilton very gravelly loamy sands. Also included is slight to moderate. in mapping are areas where consolidated glacial till, Most of the acreage is used for timber. Capabil- which characteristically underlies Alderwood soils, ity unit VIs-1; woodland group 3f3. is at a depth of 5 to 15 feet. Permeability is'rapid. The effective rooting , depth is 60 inches or more. Available water capac- Indianola Series ity is low. Runoff is slow, and the erosion hazard 1 is slight. The Indianola series is made up of somewhat This soil is used for timber and pasture and for excessively drained soils that formed under conifers urban development. Capability unit IVs-1; woodland in sandy, recessional, stratified glacial drift. group 3f3. These undulating, rolling, and hummocky soils are on terraces. Slopes are 0 to 30 percent. The annual Everett gravelly sandy loam, 5 to 15 percent precipitation is 30 to 55 inches, and the mean slopes (EvC) .--This soil is rolling. Areas are annual air temperature is about 50° F. The frost- irregular in shape, have a convex surface, and range free season is 150 to 210 days. Elevation ranges from 25 acres to more than 200 acres in size. Run- from about sea level to 1,000 feet. off is slow to medium, and the erosion hazard is In a representative profile, the upper 30 inches slight to moderate. is brown, dark yellowish-brown, and light olive- Soils included with this soil in mapping make up brown loamy fine sand. This is underlain by olive ' no more than 25 percent of the total acreage. Some sand that extends to a depth of 60 inches or more areas are up to 5 percent Alderwood soils, which (p1. I, right) . overlie consolidated glacial till; some are up to Indianola soils are used for timber and for urban 20 percent Neilton very gravelly loamy sand; and development. some are about 15 percent included areas of Everett soils where slopes are more gentle than 5 percent Indianola loamy fine sand, 4 to 15 percent slopes and where they are steeper than 15 percent. (InC) .--This undulating and rolling soil has convex This Everett soil is used for timber and pasture slopes. It is near the edges of upland terraces. and for urban development. Capability unit VIs-1; Areas range from 5 to more than 100 acres in size. woodland group 3f3. Representative profile of Indianola loamy fine sand, 4 to 15 percent slopes, in forest, 1,000 feet Everett gravelly sandy loam, 15 to 30 percent west and 900 feet south of the northeast corner of slopes (EvD) .--This soil occurs as long, narrow sec. 32, T. 25 N., R. 6 E. : areas, mostly along drainageways or on short slopes between terrace benches. It is similar to Everett 01--3/4 inch to 0, leaf litter. gravelly sandy loam, 0 to 5 percent slopes, but in B2lir--0 to 6 inches, brown (10YR 4/3) loamy fine most places is stonier and more gravelly. sand, brown (10YR 5/3) dry; massive; soft, Soils included with this soil in mapping make up very friable, nonsticky, nonplastic; many no more than 30 percent of the total acreage. Some roots; slightly acid; clear, smooth boundary. areas are up to 10 percent Alderwood soils, which 4 to 8 inches thick. overlie consolidated glacial till; some are up to 5 B22ir--6 to 15 inches, dark yellowish-brown (10YR ' percent the deep, sandy Indianola soils; some are 4/4) loamy fine sand, brown (10YR 5/3) dry; up to 10 percent Neilton very gravelly loamy sand; massive; soft, very friable, nonsticky, non- and some are about 15 percent included areas .of plastic; common roots; slightly acid; clear, Everett soils where slopes are less than 15 percent. smooth boundary. 6 to 15 inches thick. Runoff is medium to rapid, and the erosion hazard C1--15 to 30 inches, light olive-brown (2.5Y 5/4) is moderate to severe, loamy fine sand, yellowish brown (10YR 6/4) Most of the acreage is used for timber. Capa- dry; massive; soft, very friable, nonsticky, bility unit VIe-1; woodland group 3f2. nonplastic; common roots; slightly acid; gradual, smooth boundary. 12 to 17 inches Everett-Alderwood gravelly sandy loams, 6 to 15 thick. f percent slopes (EwC) .--This mapping unit is about C2--30 to 60 inches, olive (5Y 5/4) sand, light equal parts Everett and Alderwood soils. The soils brownish gray (2.5Y 6/2) dry; single grain; are rolling. Slopes are dominantly 6 to 10 percent, loose, nonsticky, nonplastic; few roots; but range from gentle to steep. Most areas are slightly acid. Many feet thick. irregular in shape and range from 15 to 100 acres or more in size. In areas classified as Everett There is a thin, very dark brown Al horizon at soils, field examination and geologic maps indicate the surface in some places. The B horizon ranges 16 from very dark grayish brown to brown and dark and the mean annual air temperature is about 50° F. yellowish-brown. The C horizon ranges from dark The frost-free season is 150 to more than 200 days. grayish brown to pale olive and from loamy fine s: d Elevation ranges from about sea level to 500 feet. to sand. Thin lenses of silty material are at a In a representative profile, the surface layer depth of 4 to 7 feet in some places. and subsoil are very dark brown and dark yellowish- Soils included with this soil in mapping make p brown silt loam that extends to a depth of about 24 no more than 25 percent of the total acreage. So e inches. The substratum is olive-gray silty clay areas are up to 10 percent Alderwood soils, on th- loam. It extends to a depth of 60 inches or more. more rolling and undulating parts of the landscap-; Kitsap soils are used for timber and pasture. some are up to 8 percent the deep, gravelly Evere t and Neilton soils; some are up to 15 percent Kits=p Kitsap silt loam, 2 to 8 percent slopes (KpB) .-- soils, which hav ,platy lake sediments in the sub This undulating soil is on low terraces of the major soil; and some are up to 15 percent Ragnar soils, valleys of the Area. Areas range from 5 acres to which have a sandy substratum. more than 600 acres in size and are nearly circular Permeability is rapid. The effective rooting to irregular in shape. Some areas are one-eighth to depth is 60 inches or more. Available water capap- a half mile wide and up to 3 or 4 miles long. ity is moderate. Runoff is slow to medium, and the Representative profile of Kitsap silt loam, 2 to erosion hazard is slight to moderate. 8 percent slopes, in pasture, 820 feet west and 330 This soil is used for timber and for urban dev 1- feet south of east quarter corner of sec. 28, T. 25 opment. Capability unit IVs-2; woodland group 4s . N. , R. 7 E. : 0 Indianola loamy fine sand, 0 to 4 percent slopes Ap--0 to 5 inches, very dark brown (10YR 2/2) silt (InA) .--This soil occupies smooth terraces in long loam, dark grayish brown (10YR 4/2) dry; mod- narrow tracts adjacent to streams. Areas range from erate, medium, granular structure; slightly about 3 to 70 acres in size. hard, very friable, nonsticky, nonplastic; Soils included with this soil in mapping make up many roots; medium acid; abrupt, smooth bound-' no more than 20 percent of the total acreage. Some ary. areas are up to 5 percent Alderwood soils, on the B2--5 to 24 inches, dark yellowish-brown (10YR 3/4) more rolling and undulating parts of the landscap ; silt loam, brown (10YR 5/3) dry; 2 percent some are about 10 percent the deep, gravelly Ever tt iron concretions; weak, coarse, prismatic and Neilton soils; some are up to 10 percent Indian- structure; slightly hard, friable, slightly ola loamy fine sand that has stronger slopes; and sticky, slightly plastic; many roots; slightly some areas are up to 10 percent the poorly drained acid; abrupt, wavy boundary. 18 to 21 inches Norma, Shalcar, Tukwila soils. thick. Runoff is slow, and the erosion hazard is slight. IIC--24 to 60 inches, olive-gray (5Y 5/2) silty clay This soil isiused for timber. Capability unit loam, light gray (5Y 7/2) dry; many, medium IVs-2; woodland group 4s3. and coarse, prominent mottles of dark yellowish brown and strong brown (10YR 4/4 and 7.5YR Indianola loamy fine sand, 15 to 30 percent 5/8) ; moderate, thin and medium, platy struc- slopes (InD) .--This soil is along entrenched streams. ture; hard, firm, sticky, plastic; few roots Soils included with this soil in mapping make Up to a depth of 36 inches, none below; strongly no more than 25 percent of the total acreage. Some acid. areas are up to 10 percent Alderwood soils; some are about 5 percent the deep, gravelly Everett and Neil- The A horizon ranges from very dark brown to dark ton soils; some are up to 15 percent Kitsap soils brown. The B horizon ranges from dark yellowish which have platy, silty lake sediments in the sub- brown to dark brown and from silt loam to silty clay soil; and some are up to 15 percent Indianola loa y loam. The platy IIC horizon ranges from grayish fine sand that has milder slopes. brown to olive gray and from silt loam to silty clay Runoff is medium, and the erosion hazard is mo er- loam that has thin lenses of loamy fine sand in ate to severe. places. Brownish mottles are common in the upper This soil is used for timber. Capability unit part of the IIC horizon. VIe-1; woodland group 4s2. Some areas are up to 10 percent included Alderwood gravelly sandy loam; some are up to 5 percent the very deep, sandy Indianola soils; and some are up to Kitsap Series 5 percent the poorly drained Bellingham, Tukwila, and Seattle soils.The Kitsap series is made up of moderately well Water flows on top of the substratum in winter. drained soils that formed in glacial lake deposits, Permeability is moderate above the substratum and under a cover of conifers and shrubs. These soil very slow within it. The effective rooting depth is are on terraces and strongly dissected terrace about 36 inches. Available water capacity is moder- fronts. They are gently undulating and rolling a d ate to moderately high. Runoff is slow to medium, moderately steep. Slopes are 2 to 70 percent. and the erosion hazard is slight to moderate. Platy, silty sediments are at a depth of 18 to 40 This soil is used for timber and pasture. Capabil- inches. The annual precipitation is 35 to 60 inches, ity unit IIIe-1; woodland group 2d2. • 17 • TABLE 2.--ESTIMATED PROPERTIES Classification Coarse Percentage Depth to tepth fraction passing Soil series and map seasonal ,from greater sieve-- symbols high water surface than 3 table USDA texture Unified AASHO inches in No. 4 diameter (4.7 .) Feet Inches Percent ,i *Everett: EvB, EvC, EvD, (/) 0-17 Gravelly sandy loam-- SM A-1 0-10 60-90 EwC. For Alderwood part of 17-32 Very gravelly sandy GM A-1 5-10 45-55 EwC, see Alderwood loa . series. 32-60 Very gravelly coarse GW or GP A-1 5-20 35-45 sand. r Indianola: InA,, InC, (/) 0-30 Loamy' fine sand SM A-2 0 90-100 InD• 30-6o Sandy SP-SM A-3 0-5 90-100 ' : 'Kitsap: KpB, KpC, KpD--- l2-3 0-24 Silt loam ML A-4 0 95-100 24-60 Silty clay loam MH A-6 0 95-100 Klaus: KsC (�) 0-60 Very ravelly loamy CP-GM A-1 20-40 40-50 sand and very grav- elly sand. Mixed alluvial land: Ma. Properties are too variable to rate. Seasonal high water table is at the surface. Neilton: NeC (II) 0-18 Very .ravelly loamy OP-GM A-1 0-15 40-50 sand. 18-60 Very iravelly sand---- GW or GP A-1 5-15 35-45 Newberg: Ng 3-4 0-60 Very fine sandy loam-- ML A-4 0 100 Nooksack: Nk 3-4 0-60 Silt loam ML A-4 0 100 Norma: No 0-1 0:-60 Sandy loam SM A-2 0 95-100 Orcas: Or 0-1 0-60 Sphagnum peat Pt A-8 a Oridia: Os 1-2 0-64 Silt ]oam ML A-6 or A-7 0 100 Ovall: OvC, OvD, OvF---- (/) 0-36 Gravelly loam SC or SM A-4 0-5 70-80 36 Weathered andesite. Pilchuck: Pc, Pk 2-4 0-38 Loamy Fine sand SM A-2 0 85-100 (Fine sandy loam • surface layer in Pt) 38-60 Gravelly sand SP A-1 0-15 55-95 See footnotes at end of table. 38 I rk OF THE SOILS--Continued ` Percentage 'passing sieve--Cont. Corrosivity Available Shrink-swell Permeability' wlater Reaction potential Uncoated No. 10 No. 40 No. 200 capacity Concrete (2.0 mm.) (0.42 mm.) (0.074 mm.; steel Inches/hr. Inches/in. pH o soil 50-85 35-50 15-25 2.0-6.3 0.08-o.10 5.1-6.5 Low High Moderate to high. 40-50 20-30 10-15 ' 6.3-20.0 0.06-0.08 5.1-6.5 Low Low Moderate to high. 20-35 5-15 0-5 >20.0 0.I2-0.04 5.6-6.5 Low Low Moderate. 85-100 60-75 20-30 6.3-20.0 0.0119-0.11 6.1-6.5 Low Low Moderate. 75-90 55-75 5-10 >20.0 o.04-o.o6 6.1-6.5 Low Low Moderate. • 90-100 90-100 85-95 0.63-2.0 0. I -0.24 5.5-6.5 Low Moderate Low to moderate. 95-100 95-100 90-100 <.06 0. 4-0.06 5.1-6.5 Moderate High Low to moderate. 30-40 10-20 5-10 6.3-20.0+ 0.03-0.05 4.0-6.0 Low Moderate to Moderate to high. high. _ _ 30-40 10-20 5-10 6.3-20.0 0.03-0.05 5.1-6.0 Low Moderate Moderate to high. 20-35 5-15 0-5 >20.0 0.02-0.04 5.6-6.5 Low Low Moderate. 100 85-95 50-60 0.63-2.0 0. 6-0.18 5.6-7.3 Low Moderate Low to I moderate. 100 95-100 95-100 0.63-2.0 0. 0-0.24 5.6-6.5 Low Moderate Low to moderate. 85-100 35-55 25-35 =•0-6.3 0.12-0.14 5.6-6.5 Low High Moderate. € '20.0 0.30-0.40 4.0-5.0 High shrink, High High. low swell. 95-100 95-100 90-100 J.2-2.0 0.20-0.24 4.5-7.3 Low High Low to high. 65-75 50-60 35-50 6.3-2.0 0.12-0.14 5.1-6.5 Low Moderate Low to moderate. 80-100 60-75 20-30 L.3-20.0 0.08-0.10 6.1-7.3 Low Low Low to moderate. 50-90 30-40 0-5 >20.0 0.63-0.05 6.6-7.3 Low Low Low. 39 fri TABLE 4.--DEGREE OF LIMITATIONS FOR TOWN AND COUNTRY PLANNING--Continued Soil series and map Foundations for Shallow Septic tank symbols low buildings excavations filter fields Sewage lagoons Briscot: Br Severe: seasonal Severe: seasonal Severe: flood hazard; Severe: flood high water table; high water table. seasonal high water hazard. flood hazard, table. Buckley: Bu Severe: seasonal S vere: seasonal Severe: slow perme- Severe: OL soil; - 4> high water table. high water table. ability; seasonal organic matter. high water table. I Coastal beaches: Cb Severe: tidal Severe: tidal Severe: tidal Severe: tidal flooding. flooding. flooding. flooding. Earlmont: Ea Severe: seasonal Severe: seasonal Severe: flood Severe: flood high water table; high water table. hazard; seasonal hazard. flood hazard; low high water table. shear strength. Edgewick: Ed Severe: flood Severe: flood Severe: flood Severe: flood hazard. hazard. hazard. hazard; rapid permeability in substratum. *Everett: EvB None to slight---- Severe: very None to slight: Severe: GM soil; gravelly. possible rapid perme- pollution hazard, ability. EvC, EwC Slight and moderate: Severe: very Slight and moderate: Severe: GM soils; For Alderwood part of moderate if slope gravelly. moderate if slope slope; rapid EwC, see AgC. is more than 8 is more than 8 permeability. percent. percent; possible pollution hazard. EvD Severe: slope---- S-vere: slope; Severe: slope; Severe: GM soil; very gravelly, possible pollution slope; rapid hazard. permeability. Indianola: InA None to slight---- S-vere: coarse None to slight: Severe: SP-SM texture. possible pollution soil; rapid hazard. permeability. InC Slight and moderate: Shvere: coarse Slight and moderate: Severe: SP-S M. moderate if slope texture. moderate if slope soil; rapid is more than 8 is more than 8 permeability. percent. percent; possible pollution hazard. InD Severe: slope; S'vere: slope; Severe: slope Severe: slope; slippage, coarse texture. rapid perme- ability. Kitsap: KpB Moderate: seasonal Moderate: seasonal Severe: very slow Moderate: slope. high water table; high water table; permeability. low shear moderately well strength. _ drained. KpC Severe: seasonal Moderate: slope; Severe: very slow Severe: slope. high water table; seasonal high permeability. low shear strength; water table. moderate slippage potential. KpD Severe: seasonal S vere: slope; Severe: slope; very Severe: slope. high water table; seasonal high slow permeability. low shear strength; water table. severe slippage potential. 58 r 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 1 A rainfall distribution, 24-hour storm duration. CURVE NUMBERS BY HYDROLOGIC SOIL GROUP LAND USE DESCRIPTION AB C D Cultivated land(1): winter condition 86 91 94 95 Mountain open areas: low growing brush and grasslands 74 82 89 92 Meadow or*l pasture: 65 78 85 89 Wood or forest land: undisturbed or older second growth 64 76 81 Wood or forest land: vouna second arowth of brush 55 72 81 86 Orchard: with cover crop 88 92 94 Open spaces, lawns, parks, golf courses, cemeteries, landscaping. good condition: grass cover on 75° or more of the ar 68 80 86 90 fair condition: grass cover on 50° to 75% of the area 77 85 90 92 1 Gravel road's 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, pods, 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 3q 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 48 5.0 DU/GA 48 5.5 DU/GA 501 6.0 DU/GA 52 6.5 DU/GA 54 7.0 DU/GA 56 Planned unit developments, % imp rvious condominiums, apartments, must be computed commercial business and industrial areas. (1) For a lmore 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. 3. .2-3 11/92 ' r• '\, AP.P;endix':'1-- t . ti; l•; ::t 1 1 ......- ..-- - -. Tin • - . . . - -- - • - . ••••• •--- ,:::.•:,;.,.--......-:-;1•,:.-;-:1•1;`,1,1,' ;'ii,"::::,;;‘''''.,..: :-.,."7.--;:.'N••‘4..Z.•,•%:A";...S''..!.V.•;;\.`• ••N\ ',• ..V °;I''.;!4.4•1•41'N',..'•4% . •••••';' ,,;;;;•t•N•.,••••••:‘,;,..,.....‘••••••••• p 4 .;...4 . , ‘ 9- . 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IPIL ;-.1 . , ikt. .' 7,7 :ii.. r ' . _j q/"N I 2f.1141,11 : ..:_.L. .:2 , Attli ' (' 'pa ' it .. • N . :, VEWANHIliggi `" '--' 2-YEAR 24-HOUR PRECIPITATION g•iaraf lI M� s i--, • , ,.3.4�' ISOPLUVIALS OF 2-YEAR 24-HOUR ' � i' ntieM:y� _ 35 , TOTAL PRECIPITATION IN INCHES . ►oi►r�'�gr 1 ,2 3 4 5 6 7 BMIIes `J �y0 N W,, W�� m. ti 1:300,000 3.5.1-8 �� 1/90 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL FIGURE 3.5.1E 10-YEAR 24-HOUR ISOPLUVIALS 2.y 22 :� lip �; 114- ii , 3 ' �,.■ire �+ `'�► Ara• 2.,„..., l A ' .-- 111P-° ititisopahrirs, Allit '5'. 2.6 / ANS. -4. 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Lis.t _ I/ANL •\....,-- At,,,,11 .,_ , : . - t, .-,0, II WM a"% ) ItTh \ : , iimixt„1.,,A ,, i Olt / .,-L.a 114 IV -14/4411WITII\ 0 :•ak \ Om" w *AR S ~- viamA u-z---__ 1 A ''''' --"'""WA\ ilk s i \ , j H11111 , -•, rt =:k 110410111 '-r-ZC I , 10110 / , 4047 aSVA 1 \ DO M.ort , I I NINISNic. 11111114(Stri........::,,.......7.:.••1 ..=* '. 1 isob,. - __ asil / \ 117114:., ::‘ : I j; .1''''Is- s' I relfil 'infirek: P. 1'441 - , i L MPS = iosi I,t ---e 11.1.16 ,..,,,,, r fri ‘ ........ \. . -..__.1- . ---- 1 .111111 01•17/91"1 ' 14 - pp if....oftwaskal itia . , . r • ,. , , E, 2 .,.1. .-‘_,0, ,. frog. l., s� 1- ;�� - 1scil, I 'i1, ,J / \. / 1, _ IIi�■ 'r • � iw0wi.rd-0. c, , . - - -. Pr - --'---- --- n. "v lip. ✓ �I li, NIIIIrilfiLical - 10-YEAR 24-HOUR PRECIPITATION cb - N, wAtillealitss. 3.4 ISOPLUVIALS OF 10-YEAR 24-HOUR 'I *wan" lit �0�.4 � TOTAL PRECIPITATION IN INCHES 3O bI �� '' ►- eb '. . � A�2 - mo 0 1 2 3 4 5 6 7 8 Mlles ✓ fb 4• _ o i 1:300,000 3.5.1-10 S. 1 40 KING COUNTY, WASHINGTON, SUR ACE WATER DESIGN MANUAL FIGURE 3.5.1F 25-YEAR 24-HOUR ISOPLUVIALS i. , Z "RiiIV 111/ 0141011/01 ti..- (- ,%.7 . .' kial=not 'IP,' -It-4,•":-Tf--40- *It - 1 vc,.,.. ,Mik.ith il‘ 29 AMER �ot �a A cl , 00 0/ ; � /- "Pap ��ink�i ��•jJAtli w _ \ i}!_,,,‘ ' a'Z ' '''1111119.0*___ qtloksivivp,?vy ‘?4 i --'; -.----1111FPW ''': --liwzgig ou -'-3.3 „ i iiit,„:1181,-2:111M,Iririm i - ,4•• '4•Siiiammihm. •.gstp, '\I 1.ii-,.\. ' -. �._ -;:'..--h.,7'o'7.\'1...,1..:.---"''"P,_"�;-.pi-w,,ic i,k a. . .. .Win,r”rlkwt-r�,��I�� i4lwowwm-•E-*1t b..._igilia•lAl '...... •. F, -4 t ial y `-;- - 0.11„ .m 1. 9 _s) ,,,',,\,,,,,', i1\;1 i,-*p.0,. ,`. ool • - ll/fit A. 1 ie:t r.i. .- i' - 41-116\1:‘ fibtiir ItuJ41''' * -40/Pfx..4.air-.40- %.4, ; „ _ ...1 wit /jam & �`'� o' - — tp _�HIRAL,, , L Al Milt 1k,. iavolll ,'f►�T 0 .- ,' lb :.,\ 1:1 TAAIL .00 i k- -.. .- - ill .11 lit:---v#9111234 & - il. -41 r Nple; ',', - -7. "UV'I L j awl f72A1 Ii4m m El._I 1 I I 6:‘ANN, -4, 4 it a \\ igariVITA,‘ILV°7-170-A-N\ . 0 11-- . rtAttafili — - - 41.1,44* ,— )11 i ;'. ... 111 -,---- "!,:,- sli 'Etat 1 Fmk Q...z.c !AN , 1 . _ .�, a De+Yeses s �� �� r�.J• R I \ , I -,,,, tk .7 . -.IN r i ft.11116.,.. -ki \ , .. it ...m. , . — mimmillirir 1r-01W p - - • r 0 ; r ARM A - ) , r. :=Irkillneirt 11, / ..ivpiroinitik-lit , 1 __ ..... , . . PM mi _ 10....y ir 11-11 ` pits ,, ,, :_....._ - . :_. r _.-' All A jilr' IAN ____,:_i 111114.:, ,is', , ','4. ,11. -1E' i Pj 7 . :kW'. rlfri \- - • - - - - -- •-- w , 1 yes _ — �� ,I t j , -4, j 1 z5-YEAR 24-HOUR PRECIPITATION e.504 •.; Alow, 14.11k ''-'-‘ :$ 3.4 ISOPLUVIALS OF 25-YEAR 24-HOUR klEillItir$4,--- V 74014" _ TOTAL PRECIPITATION IN INCHES 3. r0 • � 4 S 0 1 2 3 4 5 6 7 8 Mlles tb' $A �.,..04s:/- � v O — , � -- • 3.5.1-11 � tv 1:300,000 • 1/90 i KING COUNTY, WASHINGTON, SU FACE WATER DESIGN MANUAL FIGURE 3.5.1H 100-YEAR 24-HOUR ISOPLUVIALS 1 _ go------,....it-1.-0417 ,# -,‘,- -1- -ea -011 -----i'' ---- -- •- N'.--- ---. az Ai 3 3 �I�iriift4li imva,-c„l, -�:� taYilr l!iki-A•-rtailiiktr 14\ 11// 6 ftirr- fti , qd ! 2-1RWrat gem, Ali 'Clit 3..Se•': 3401T114101.41ple 41-1. , i 4.8:, 4,k,_ 131porsarirj.,,, i. wittri Nail % 11. ! 4 Ntititivkfatmucilliellitico*Attito , W 4 3 _ 'k,eittilk 1 Aiii'~k leilrall 4400# _ 1 : 44 :". ''''..,' N'It7;ill --7‘--769111WAftominei0-1, i 42:.r ---A,, i - . riti\1 wi 1 o40\.0 1.‘e 74..t--r-ep-.-L---.-,-- v FIFT , �,1 ,1tmac•,io0i.k•-.40.vi iv ?-i'1 i t1If t.)n-_ 41 _ . 4S ��� vriiN7(S i `4f- v�- -ram-. 0/ 1' ll� �1�,\o ) i—-�d�, ems. _oir r ( ��?.� ' ! i ' Vali 0 Olt fillj‘IML‘ , - N.41-/- NN4, . N N4C \ 4tal 1 � a� ,^-•v im, ` _ I ". tk ,._,_._ 411 *Mt -411, N. -, i . ::: -: nt... . k * *IV i - :- _ ,-., 'a ' 1 virgiak -s- 4k-i, .41-- i . , . , IIIIIIMPt la ‘,\\ 'am ,, . el= . ....ni .14,, pi ‘4.- , ---1'4 1 ( 11:111kr *,11,06, Dee V MA PlalibAtiki A VA , .: _4:p. • 11611 _€,,,, , 1 yr' trA'4 - AfilW, - i d s. if irm•-rif ligAiretir itairia 11111 libitre4 irrI7 ' lot; ioni 3 it, :40 if vr, ‘...7‘- — 'N\ Iftilk(' ALIO/Milli 4111 1.11111.1yie. '74 Sl= N ". 4 M, . .1 , \‘7,(7,_._ igsApp ,...4,44., , 0 ifii ' i ' - ... .rowil ralti,.... anlfraii, ii."7, I. . __ 14. zail, f-701 $ .,_, _mersr-N=C-Nsfirliti ,,, . k-,4 , s . lr,....m .kv . 14, AwArpt 7 . _ .., ....:4_, ,.. _., „,‘___ 4 A ,,iry, A 1 1 foe .W. PWA IN 1 If ilk I V'. nj• 42 I ri lk -- - - '1J0-YEAR 24-HOUR PRECIPITATION cb mrAlifipyrfi ` ..r r 6.6_. 1.4 ISOPLUVIALS OF 100-YEAR 24-HOUR O'� Tiatte441:---.�' � _• S 5 TOTAL PRECIP , ,. ITATION IN INCHES Q�• r- . - 0,:ww ,, ' - . 0 1 2 3 4 I 5 6 7 8 Mlles ` ' 7 1:300,'000 3.5.1-1 4 �. - 1/90 DETENTION PIPE SIZING FO° THE 2, 10 & 100-YEAR EVENTS 1_ 1 11/12/99 8 :4 : 52 am RCA - Seattle page 1 First Builders - Renton 2 , 10 & 100 yr Event for Detention 1 DETAIL BASIN SUMMARY 0o (�)o � �` BASIN ID Ex2yrNW NAME : P=edev 2 yr event NW Basin SBUH METHODOLOGY TOTAL AREA ▪ 0 . 61 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE ▪ TYPE1A PERV IMP PRECIPITATION ▪ 1 . 97 inches AREA. . : 0 . 54 Acres 0 . 07 Acres TIME INTERVAL 10 . 00 min CN 55 . 00 98 . 00 TC 11 . 92 min 5 . 00 min ABSTRACTION COEFF: 0 .20 TcReach - Sheet L: 130 . 00 ns : . 1500 p2yr: 1 . 97 s : 0 . 0380 PEAK RATE : 0 . 03 cfs VOL: 0101 Ac-ft TIME : 480 min TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) 10 310 0.0057 610 0.0071 910 0.0048 1210 0.0044 1510 20 320 0.0069 620 0.0068 920 0.0048 1220 0.0044 1520 30 330 0.0070 630 0.0068 930 0.0048 1230 0.0045 1530 40 340 0.0071 640 0.0068 940 0.0048 1240 0.0046 1540 50 350 0.0072 650 0.0068 950 0.0048 1250 0.0046 1550 60 360 0.0073 660 0.0068 960 0.0048 1260 0.0046 1560 70 370 0.0071 670 0.0061 970 0.0037 1270 0.0047 1570 80 0.0003 380 0.0068 680 0.0054 980 0.0028 1280 0.0047 1580 90 0.0007 390 0.0068 690 0.0054 990 0.0028 1290 0.0048 1590 100 0.0009 400 0.0069 700 0.0055 1000 0.0027 1300 0.0049 1600 110 0.0012 410 0.0070 710 0.0054 1010 0.0028 1310 0.0049 1610 120 0.0014 420 0.0070 720 0.0054 1020 0.0028 1320 0.0049 1620 130 0.0018 430 0.0112 730 0.0055 1030 0.0034 1330 0.0046 1630 140 0.0022 440 0.0154 740 0.0054 1040 0.0042 1340 0.0041 1640 150 0.0024 450 0.0156 750 0.0054 1050 0.0042 1350 0.0041 1650 160 0.0025 460 0.0216 760 0.0055 1060 0.0043 1360 0.0041 1660 170 0.0027 470 0.0277 770 0.0055 1070 0.0044 1370 0.0042 1670 180 0.0029 480 0.0279 780 0.0055 1080 0.0044 1380 0.0042 1680 190 0.0030 490 0.0200 790 0.0048 1090 0.0042 1390 0.0042 1690 200 0.0031 500 0.0120 800 0.0041 1100 0.0038 1400 0.0042 1700 210 0.0033 510 0.0121 810 0.0041 1110 0.0039 1410 0.0043 1710 220 0.0033 520 0.0114 820 0.0041 1120 0.0053 1420 0.0043 1720 230 0.0034 530 0.0108 830 0.0041 1130 0.0040 1430 0.0043 1730 240 0.0035 540 0.0108 840 0.0041 1140 0.0027 1440 0.0044 1740 250 0.003.9 550 ' 0.0091 850 0.0044 1150 0.0041 1450 0.0025 1750 260 0.0042 560 0.0074 860 0.0048 1160 0.0041 1460 0.0005 1760 270 0.0043 570 0.0074 870 0.0048 1170 0.0042 1470 0.0002 1770 280 0.0044 580 0.0075 880 0.0048 1180 0.0043 1480 1780 290 0.0044 590 0.0074 890 0.0048 1190 0.0043 1490 1790 300 0.0045 600 0.0074 900 0.0048 1200 0.0043 1500 1800 11/12/99 8 :4 : 52 am RCA - Seattle page 3 First Builders - Renton 2, 10 & 100 yr Event for Detent .on DETAIL BASIN SUMMARY )o `00 BASIN Ib ', ExXyrNW NAME : Predev 10 yr event NW Basin SBUH METHODOLOGY TOTAL AREA • 0 . 61 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE • TYPE1A PERV IMP PRECIPITATION • 2 . 87 inches AREA. . : 0 . 54 Acres 0 . 07 Acres TIME INTERVAL • 10 . 00 min CN 55 . 00 98 . 00 TC • 12 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE : 0 . 04 cfs VOL: 0 02 Ac-ft TIME : 480 min TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) 10 310 0.0091 610 0.0109 910 0.0139 1210 0.0129 1510 20 320 0.0110 620 0.0108 920 0.0142 1220 0.0129 1520 30 330 0.0111 630 0.0112 930 0.0144 1230 0.0130 1530 40 340 0.0111 640 0.0115 940 0.0145 1240 0.0132 1540 50 350 0.0112 650 0.0120 950 0.0147 1250 0.0132 1550 60 0.0003 360 0.0113 660 0.0125 960 0.0149 1260 0.0132 1560 70 0.0008 370 0.0109 670 0.0117 970 0.0125 1270 0.0134 1570 80 0.0015 380 0.0105 680 0.0107 980 0.0097 1280 0.0134 1580 90 0.0020 390 0.0105 690 0.0109 990 0.0092 1290 0.0135 1590 100 0.0024 400 0.0105 700 0.0113 1000 0.0089 1300 0.0137 1600 110 0.0028 410 0.0106 710 0.0114 1010 0.0090 1310 0.0136 1610 120 0.0031 420 0.0106 720 0.0117 1020 0.0090 1320 0.0137 1620 130 0.0037 430 0.0169 730 0.0120 1030 0.0107 1330 0.0128 1630 140 0.0043 440 0.0233 740 0.0122 1040 0.0129 1340 0.0117 1640 150 0.0045 450 0.0234 750 0.0125 1050 0.0134 1350 0.0114 1650 160 0.0047 460 0.0324 760 0.0128 1060 0.0137 1360 0.0112 1660 170 0.0050 470 0.0414 770 0.0130 1070 0.0139 1370 0.0113 1670 180 0.0052 480 0.0415 780 0.0133 1080 0.0141 1380 0.0114 1680 190 0.0053 490 0.0297 790 0.0121 1090 0.0133 1390 0.0113 1690 200 0.0055 500 0.0179 800 0.0107 1100 0.0123 1400 0.0114 1700 210 0.0056 510 0.0179 810 0.0106 1110 0.0121 1410 0.0115 1710 220 0.0056 520 0.0169 820 0.0107 1120 0.0156 1420 0.0114 1720 -- 230 0.0058 530 0.0160 830 0.0108 1130 0.0128 1430 0.0116 1730 240 0.0059 540 0.0160 840 0.0109 1140 0.0092 1440 0.0117 1740 250 0.0064 550 0.0135 850 0.0118 1150 0.0119 1450 0.0073 1750 260 0.0069 560 0.0110 860 0.0129 1160 0.0122 1460 0.0022 1760 270 0.0070 570 0.0110 870 0.0132 1170 0.0124 1470 0.0009 1770 280 0.0071 580 0.0110 880 0.0133 1180 0.0126 1480 0.0004 1780 290 0.0071 590 0.0110 890 0.0136 1190 0.0127 1490 0.0002 1790 300 0.0072 600 0.0111 900 0.0138 1200 0.0127 1500 1800 I 11/12/99 8 :4 : 52 am RCA - Seattle page 2 • . First Builders - Renton 2 , 10 & 100 yr Event for Detention DETAIL BASIN SUMMARY ,�No �‘013, BASIN ID `• ExCyrNW NAME : Predev 100 yr event NW Basin SBUH METHODOLOGY TOTAL AREA • 0 . 61 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE • TYPE1A PERV IMP -_ PRECIPITATION • 3 . 87 inches AREA. . : 0 . 54 Acres 0 . 07 Acres TIME INTERVAL • 10 . 00 miri CN 55 . 00 98 . 00 TC • 12 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE : 0 . 06 cfs VOL: 0 . 04 Ac-ft TIME : 480 min TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) 10 310 0.0128 610 0.0287 910 0.0288 1210 0.0247 1510 20 320 0.0154 620 0.0282 920 0.0292 1220 0.0247 1520 30 330 0.0155 630 0.0287 930 0.0295 1230 0.0248 1530 40 0.0001 340 0.0155 640 0.0291 940 0.0296 1240 0.0251 1540 50 0.0005 350 0.0156 650 0.0299 950 0.0300 1250 0.0250 1550 60 0.0011 360 0.0157 660 0.0305 960 0.0302 1260 0.0251 1560 70 0.002,0 370 0.0151 670 0.0287 970 0.0256 1270 0.0254 1570 ' 80 0.0031 380 0.0145 680 0.0263 980 0.0201 1280 0.0253 1580 90 0.0038 390 0.0145 690 0.0261 990 0.0187 1290 0.0254 1590 100 0.0044 400 0.0145 700 0.0264 1000 0.0180 1300 0.0257 1600 110 0.0048 410 0.0146 710 0.0266 1010 0.0180 1310 0.0257 1610 120 0.0052 420 0.0146 720 0.0269 1020 0.0180 1320 0.0257 1620 130 0.0060 430 0.0232 730 0.0274 1030 0.0211 1330 0.0241 1630 140 0.0068 440 0.0320 740 0.0277 1040 0.0252 1340 0.0220 1640 1 150 0.0071 450 0.0321 750 0.0280 1050 0.0264 1350 0.0214 1650 160 0.0073 460 0.0442 760 0.0286 1060 0.0270 1360 0.0210 1660 170 0.0076 470 0.0564 770 0.0288 1070 0.0274 1370 0.0211 1670 180 0.0078 480 0.0571 780 0.0291 1080 0.0276 1380 0.0212 1680 190 0.0079 490 0.0425 790 0.0268 1090 0.0262 1390 0.0210 1690 200 0.0081 500 0.0284 800 0.0238 1100 0.0242 1400 0.0213 1700 - - 210 0.0082 510 0.0308 810 0.0232 1110 0.0238 1410 0.0214 1710 220 0.0082 520 0.0315 820 0.0231 1120 0.0299 1420 0.0212 1720 230 0.0084 530 0.0319 830 0.0231 1130 0.0252 1430 0.0215 1730 240 0.0085 540 0.0337 840 0.0233 1140 0.0183 1440 0.0216 1740 250 0.0092 550 0.0306 850 0.0248 1150 0.0228 1450 0.0140 1750 260 0.0098 560 0.0266 860 0.0269 1160 0.0235 1460 0.0047 1760 270 0.0099 570 0.0268 870 0.0276 1170 0.0239 1470 0.0019 1770 280 0.0101 580 0.0276 880 0.0279 1180 0.0243 1480 0.0008 1780 290 0.0100 590 0.0282 890 0.0284 1190 0.0243 1490 0.0003 1790 300 0.0101 600 0.0290 900 0.0287 1200 0.0244 1500 0.0001 1800 11/12/99 8 : 5.: 11 am RCA - Seattle page 1 First Builders - Renton 2 , 10 & 100 yr Event for Detention DETAIL BASIN SUMMARY �d i�.c�\ BASIN ID}°, Ex2yrE NAME: Predev 2 yr event Basin SBUH METHODOLOGY TOTAL AREA • 1 .40 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE • TYPE1A PERV IMP PRECIPITATION • 1 . 97 inches AREA. . : 1 . 29 Acres 0 . 11 Acres TIME INTERVAL • 10 . 00 mirk CN 55 . 00 98 . 00 TC • 40 .28 min 5 . 00 min ABSTRACTION COEFF: 0 .20 TcReach - Sheet L: 70 . 00 ns : 0 . 4000 p2yr: 1 . 97 s : 0 . 0150 TcReach '- Sheet L: 130 . 00 ns : 0 . 4000 p2yr: 1 . 97 s : 0 . 1080 PEAK RATE : 0 . 04 cfs VOL: 0 . 02 Ac-ft TIME: 480 min TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) 10 310 0.0090 610 0.0112 910 0.0075 1210 0.0074 1510 0.0007 20 320 0.0109 620 0.0107 920 0.0076 1220 0.0074 1520 0.0006 30 330 0.0111 630 0.0107 930 0.0076 1230 0.0076 1530 0.0004 40 340 0.0112 640 0.0106 940 0.0075 1240 0.0078 1540 0.0003 50 350 0.0113 650 0.0107 950 0.0076 1250 0.0078 1550 0.0003 60 360 0.0115 660 0.0107 960 0.0076 1260 0.0079 1560 0.0002 70 0.0001 370 0.0111 670 0.0096 970 0.0059 1270 0.0081 1570 0.0002 80 0.0005 380 0.0107 680 0.0085 980 0.0043 1280 0.0082 1580 0.0001 - 90 0.0010 390 0.0107 690 0.0085 990 0.0043 1290 0.0083 1590 100 0.0015 400 0.0108 700 0.0086 1000 0.0043 1300 0.0085 1600 110 0.0019 410 0.0109 710 0.0085 1010 0.0043 1310 0.0085 1610 120 0.0022 420 0.0109 720 0.0086 1020 0.0043 1320 0.0087 1620 130 0.0028 430 0.0175 730 0.0086 1030 0.0054 1330 0.0082 1630 140 0.0034 440 0.0242 740 0.0086 1040 0.0065 1340 0.0076 1640 - 150 0.0037 450 0.0244 750 0.0086 1050 0.0066 1350 0.0076 1650 160 0.0040 460 0.0339 760 0.0086 1060 0.0067 1360 0.0075 1660 170 0.0043 470 0.0435 770 0.0086 1070 0.0068 1370 0.0076 1670 180 0.0045 480 0.0438 780 0.0086 1080 0.0069 1380 0.0077 1680 190 0.0047 490 0.0314 790 0.0075 1090 0.0065 1390 0.0076 1690 200 0.0049 500 0.0189 800 0.0064 1100 0.0060 1400 0.0077 1700 - 210 0.0051 510 0.0190 810 0.0064 1110 0.0061 1410 0.0078 1710 220 0.0052 520 0.0179 820 0.0064 1120 0.0084 1420 0.0078 1720 230 0.0054 530 0.0169 830 0.0064 1130 0.0065 1430 0.0079 1730 240 0.0055 540 0.0170 840 0.0065 1140 0.0045 1440 0.0080 1740 250 0.0061 550 0.0143 850 0.0070 1150 0.0066 1450 0.0054 1750 260 0.0066 560 0.0117 860 0.0075 1160 0.0067 1460 0.0025 1760 270 0.0067 570 0.0117 870 0.0076 1170 0.0068 1470 0.0020 1770 280 0.006,9 580 0.0117 880 0.0075 1180 0.0070 1480 0.0015 1780 290 0.0069 590 0.0117 890 0.0076 1190 0.0071 1490 0.0012 1790 300 0.0070 600 0.0117 900 0.0076 1200 0.0072 1500 0.0009 1800 11/12/99 8 : 5 : 11 am RCA - Seattle page 3 . First Builders - Renton 2 , 10 & 100 yr Event for Detention DETAIL ASIN SUMMARY �1.0 • `o1-\ �� : r\ D BASIN Ib . ExXyrE NAME: Predev 10 yr event ,EastBasin SBUH METHODOLOGY TOTAL AREA • 1 .40 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE • TYPE1A PERV IMP PRECIPITATION • 2 . 87 inches AREA. . : 1 . 29 Acres 0 . 11 Acres TIME INTERVAL • 10 . 00 miri CN 55 . 00 98 . 00 TC • 40 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE : 0 . 07 cfs VOL: 0 . 04 Ac-ft TIME: 480 min TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) 10 310 0.0143 610 0.0169 910 0.0262 1210 0.0261 1510 0.0035 20 320 0.0172 620 0.0166 920 0.0268 1220 0.0262 1520 0.0028 30 330 0.0174 630 0.0171 930 0.0272 1230 0.0264 1530 0.0021 40 340 0.0175 640 0.0177 940 0.0276 1240 0.0267 1540 0.0017 50 350 0.0176 650 0.0186 950 0.0282 1250 0.0268 1550 0.0013 60 0.0004 360 0.0177 660 0.0194 960 0.0286 1260 0.0270 1560 0.0010 70 0.0013 370 0.0171 670 0.0185 970 0.0256 1270 0.0273 1570 0.0008 80 0.0023 380 0.0165 680 0.0174 980 0.0221 1280 0.0274 1580 0.0006 90 0.0031 390 0.0165 690 0.0180 990 0.0211 1290 0.0276 1590 0.0005 100 0.0038 400 0.0165 700 0.0187 1000 0.0203 1300 0.0279 1600 0.0004 110 0.0044 410 0.0167 710 0.0192 1010 0.0199 1310 0.0280 1610 0.0003 120 0.0049 420 0.0166 720 0.0198 1020 0.0195 1320 0.0281 1620 0.0002 130 0.0058 430 0.0266 730 0.0205 1030 0.0214 1330 0.0271 1630 0.0002 140 0.0067 440 0.0366 740 0.0210 1040 0.0241 1340 0.0257 1640 0.0001 150 0.0071 450 0.0368 750 0.0216 1050 0.0250 1350 0.0252 1650 0.0001 160 0.0074 460 0.0509 760 0.0223 1060 0.0257 1360 0.0247 1660 170 0.0078 470 0.0650 770 0.0229 1070 0.0264 1370 0.0246 1670 180 0.0081 480 0.0653 780 0.0235 1080 0.0269 1380 0.0244 1680 190 0.0083 490 0.0467 790 0.0222 1090 0.0263 1390 0.0242 1690 200 0.0086 500 0.0281 800 0.0205 1100 0.0252 1400 0.0243 1700 210 0.0088 510 0.0281 810 0.0204 1110 0.0251 1410 0.0243 1710 220 0.0089 520 0.0266 820 0.0205 1120 0.0294 1420 0.0241 1720 230 0.0091 530 0.0251 830 0.0206 1130 0.0262 1430 0.0243 1730 240 0.0092 540 0.0251 840 0.0208 1140 0.0217 1440 0.0244 1740 250 0.0100 550 0.0212 850 0.0220 1150 0.0249 1450 0.0191 1750 260 0.0108 560 0.0172 860 0.0235 1160 0.0250 1460 0.0125 1760 270 0.0109 570 0.0172 870 0.0241 1170 0.0252 1470 0.0097 1770 280 0.0111 580 0.0173 880 0.0246 1180 0.0255 1480 0.0075 1780 290 0.0111 590 0.0172 890 0.0252 1190 0.0256 1490 0.0059 1790 300 0.0112 600 0.0173 900 0.0258 1200 0.0258 1500 0.0046 1800 I 11/12/99 8 : 5 : 11 am RCA - Seattle page 2 - First Builders - Renton 2 , 10 & 100 yr Event for Detention 1 DETAIL BASIN SUMMARY _ BASIN ID:'. ExCyrE NAME: Predev 100 yr event Basin SBUH METHODOLOGY TOTAL AREA • 1 .40 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE • TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 1 .29 Acres 0 . 11 Acres TIME INTERVAL • 10 . 00 min CN 55 . 00 98 . 00 TC • 40 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 r PEAK RATE : 0 . 09 cfs VOL: 0 . 08 Ac-ft TIME : 480 min TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN ' RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) 10 310 0.0201 610 0.0527 910 0.0587 1210 0.0526 1510 0.0075 20 320 0.0242 620 0.0528 920 0.0597 1220 0.0527 1520 0.0059 30 330 0.0243 630 0.0540 930 0.0604 1230 0.0529 1530 0.0046 40 0.0002 340 0.0244 640 0.0551 940 0.0609 1240 0.0534 1540 0.0036 50 0.0008 350 0.0245 650 0.0566 950 0.0618 1250 0.0535 1550 0.0028 60 0.0017 360 0.0246 660 0.0580 960 0.0625 1260 0.0537 1560 0.0021 70 0.0032 370 0.0237 670 0.0562 970 0.0573 1270 0.0542 1570 0.0017 80 0.0049 380 0.0228 680 0.0537 980 0.0505 1280 0.0543 1580 0.0013 90 0.0060 390 0.0227 690 0.0535 990 0.0477 1290 0.0545 1590 0.0010 100 0.0068 400 0.0228 700 0.0539 1000 0.0454 1300 0.0550 1600 0.0008 110 0.0076 410 0.0230 710 0.0540 1010 0.0439 1310 0.0551 1610 0.0006 120 0.0082 420 0.0229 720 0.0545 1020 0.0427 1320 0.0553 1620 0.0005 130 0.0094 430 0.0365 730 0.0552 1030 0.0454 1330 0.0535 1630 0.0004 140 0.0107 ' 440 0.0502 740 0.0557 1040 0.0499 1340 0.0510 1640 0.0003 150 0.0112 450 0.0504 750 0.0563 1050 0.0518 1350 0.0498 1650 0.0002 160 0.0115 460 0.0695 760 0.0573 1060 0.0534 1360 0.0487 1660 0.0002 170 0.0119 470 0.0887 770 0.0579 1070 0.0547 1370 0.0482 1670 0.0001 180 0.0122 480 0.0893 780 0.0586 1080 0.0558 1380 0.0478 1680 0.0001 190 0.0124 490 0.0656 790 0.0562 1090 0.0549 1390 0.0472 1690 200 0.0127 500 0.0427 800 0.0525 1100 0.0530 1400 0.0472 1700 210 0.0129 510 0.0461 810 0.0514 1110 0.0524 1410 0.0471 1710 i 220 0.0130 520 0.0475 820 0.0507 1120 0.0594 1420 0.0468 1720 230 0.0132 530 0.0490 830 0.0503 1130 0.0544 1430 0.0469 1730 240 0.0133 540 0.0528 840 0.0500 1140 0.0466 1440 0.0470 1740 250 0.0144 550 0.0499 850 0.0516 1150 0.0510 1450 0.0383 1750 260 0.0155 560 0.0459 860 0.0541 1160 0.0511 1460 0.0265 1760 270 0.0156 570 0.0473 870 0.0553 1170 0.0513 1470 0.0206 1770 280 0.0158 580 0.0491 880 0.0561 1180 0.0518 1480 0.0160 1780 290 0.0158 590 0.0506 890 0.0572 1190 0.0519 1490 0.0125 1790 300 0.0159 600 0.0523 900 0.0581 1200 0.0521 1500 0.0097 1800 11/12/99 8 :4 : 12 am RCA - Seattle page 4 First Builders - Renton I. 2 , 10 & 100 yr Event for Detention DETAIL BASIN SUMMARY BASIN ID:', Ex2yrS NAME: Predev 2 yr eventiSouth Basin SBUH METHODOLOGY \ J TOTAL AREA ▪ 2 . 34 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE ▪ TYPE1A PERV IMP PRECIPITATION ▪ 1 . 97 inches AREA. . : 2 . 34 Acres 0 . 00 Acres TIME INTERVAL 10 . 00 min CN 55 . 00 0 . 00 TC 55 . 99 min 0 . 00 min ABSTRACTION COEFF: 0 .20 TcReach - Sheet L: 175 . 00 ns : 0 .4000 p2yr: 1 . 97 s : 0 . 0280 TcReach - Sheet L: 125 . 00 ns : 0 .4000 p2yr: 1 . 97 s : 0 . 0920 TcReach - Shallow L: 65 . 00 ks : 5 . 00 s : 0 . 0750 PEAK RATE : 0 . 01 cfs VOL: 0 . 00 Ac-ft TIME : 1440 min 1 TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) 10 310 610 910 1210 0.0032 1510 0.0020 20 320 620 920 1220 0.0034 1520 0.0017 30 330 630 930 1230 0.0036 1530 0.0014 40 340 640 940 1240 0.0039 1540 0.0012 50 350 650 950 1250 0.0041 1550 0.0010 60 360 660 960 1260 0.0043 1560 0.0008 70 370 670 970 1270 0.0045 1570 0.0007 80 380 680 980 1280 0.0047 1580 0.0006 90 390 690 990 1290 0.0049 1590 0.0005 100 400 700 1000 1300 0.0052 1600 0.0004 110 410 710 1010 1310 0.0054 1610 0.0003 120 420 720 1020 1320 0.0056 1620 0.0003 130 430 730 1030 1330 0.0057 1630 0.0002 140 440 740 1040 1340 0.0057 1640 0.0002 150 450 750 1050 0.0002 1350 0.0057 1650 0.0002 160 460 760 1060 0.0003 1360 0.0057 1660 0.0001 170 470 770 1070 0.0004 1370 0.0058 1670 0.0001 180 480 780 1080 0.0006 1380 0.0059 1680 190 490 790 1090 0.0008 1390 0.0059 1690 200 500 800 1100 0.0010 1400 0.0060 1700 210 510 810 1110 0.0012 1410 0.0061 1710 220 520 820 1120 0.0015 1420 0.0062 1720 230 530 830 1130 0.0017 1430 0.0063 1730 240 540 840 1140 0.0017 1440 0.0065 1740 250 550 850 1150 0.0019 1450 0.0060 1750 260 560 860 1160 0.0021 1460 0.0050 1760 270 570 870 1170 0.0023 1470 0.0042 1770 280 580 880 1180 0.0026 1480 0.0035 1780 290 590 890 1190 0.0028 1490 0.0029 1790 300 600 900 1200 0.0030 1500 0.0024 1800 11/12/99 8 :4 : 12 am RCA - Seattle page 7 First Builders - Renton 2, 10 & 100 yr Event for Detention 1 _ DETAIL BASIN SUMMARY BASIN IDf^-°: ExXyrS NAME : Pr dev 10 yr event South Basin SBUH METHODOLOGY TOTAL AREA • 2 . 34 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE • TYPE1A PERV IMP PRECIPITATION • 2 . 87 inches AREA. . : 2 . 34 Acres 0 . 00 Acres TIME INTERVAL • 10 . 00 min CN 55 . 00 0 . 00 TC • 56 . 00 min 0 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE : 0 . 04 cfs VOL: 0 . 03 Ac-ft TIME : 1320 min TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN • RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) 10 310 610 0.0005 910 0.0262 1210 0.0325 1510 0.0103 20 320 620 0.0011 920 0.0271 1220 0.0328 1520 0.0086 30 330 630 0.0019 930 0.0279 1230 0.0331 1530 0.0072 40 340 640 0.0029 940 0.0287 1240 0.0335 1540 0.0060 ' 50 350 650 0.0041 950 0.0296 1250 0.0338 1550 0.0050 60 360 660 0.0054 960 0.0304 1260 0.0341 1560 0.0042 70 370 670 0.0065 970 0.0299 1270 0.0345 1570 0.0035 80 380 680 0.0074 980 0.0284 1280 0.0348 1580 0.0029 90 390 690 0.0084 990 0.0272 1290 0.0352 1590 0.0025 100 400 700 0.0094 1000 0.0261 1300 0.0356 1600 0.0021 110 410 710 0.0105 1010 0.0253 1310 0.0359 1610 0.0017 120 420 720 0.0115 1020 0.0247 1320 0.0362 1620 0.0014 130 430 730 0.0126 1030 0.0251 1330 0.0359 1630 0.0012 140 440 740 0.0137 1040 0.0264 1340 0.0351 1640 0.0010 150 450 750 0.0147 1050 0.0276 1350 0.0345 1650 0.0008 160 460 760 0.0158 1060 0.0287 1360 0.0339 1660 0.0007 170 470 770 0.0169 1070 0.0296 1370 0.0335 1670 0.0006 180 480 780 0.0180 1080 0.0306 1380 0.0332 1680 0.0005 190 490 790 0.0186 1090 0.0309 1390 0.0330 1690 0.0004 200 500 800 0.0187 1100 0.0308 1400 0.0329 1700 0.0003 _ 210 510 810 0.0189 1110 0.0307 1410 0.0328 1710 0.0003 220 520 820 0.0191 1120 0.0327 1420 0.0327 1720 0.0002 230 530 830 0.0194 1130 0.0324 1430 0.0327 1730 0.0002 240 540 840 0.0198 1140 0.0304 1440 0.0328 1740 0.0002 250 550 850 0.0205 1150 0.0307 1450 0.0301 1750 0.0001 260 560 860 0.0215 1160 0.0310 1460 0.0252 1760 0.0001 270 570 870 0.0225 1170 0.0312 1470 0.0210 1770 280 580 880 0.0234 1180 0.0316 1480 0.0176 1780 290 590 890 0.0244 1190 0.0319 1490 0.0147 1790 300 600 0.0001 900 0.0253 1200 0.0322 1500 0.0123 1800 11/12/99 8 :4 : 12 am RCA - Seattle page 5 . First Builders - Renton 2 , 10 & 100 yr Event for Detention 7 DETAIL BASIN SUMMARY BASIN Ia:', ExCyrS NAME: Pr dev 100yr event South Basin SBUH METHODOLOGY TOTAL AREA • 2 . 34 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE • TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 2 . 34 Acres 0 . 00 Acres TIME INTERVAL • 10 . 00 min CN 55 . 00 0 . 00 - TC • 56 . 00 min 0 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE: 0 . 08 cfs VOL: 0 09 Ac-ft TIME : 960 min TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN TIME DESIGN RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF RUNOFF (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) (min) (cfs) 10 310 610 0.0499 910 0.0778 1210 0.0756 1510 0.0220 20 320 620 0.0522 920 0.0792 1220 0.0759 1520 0.0184 ' - 30 330 630 0.0546 930 0.0805 1230 0.0763 1530 0.0154 40 340 640 0.0570 940 0.0816 1240 0.0768 1540 0.0129 50 350 650 0.0595. 950 0.0829 1250 0.0772 1550 0.0107 60 360 660 0.0621 960 0.0841 1260 0.0776 1560 0.0090 70 370 670 0.0634 970 0.0820 1270 0.0781 1570 0.0075 80 1 380 680 0.0635 980 0.0772 1280 0.0785 1580 0.0063 . 90 390 690 0.0638 990 0.0733 1290 0.0789 1590 0.0053 100 400 700 0.0645 1000 0.0699 1300 0.0795 1600 0.0044 110 410 710 0.0652 1010 0.0672 1310 0.0799 1610 0.0037 120 420 720 0.0661 1020 0.0651 1320 0.0803 1620 0.0031 130 430 730 0.0672 1030 0.0655 1330 0.0794 1630 0.0026 140 440 740 0.0683 1040 0.0682 1340 0.0774 1640 0.0021 • 150 450 750 0.0695 1050 0.0706 1350 0.0757 1650 0.0018 160 460 760 0.0708 1060 0.0728 1360 0.0743 1660 0.0015 170 470 770 0.0721 1070 0.0747 1370 0.0732 1670 0.0013 180 480 0.0006 780 0.0735 1080 0.0764 1380 0.0724 1680 0.0010 190 490 0.0027 790 0.0732 1090 0.0768 1390 0.0716 1690 0.0009 200 500 0.0062 800 0.0715 1100 0.0760 1400 0.0712 1700 0.0007 210 510 0.0110 810 0.0701 1110 0.0754 1410 0.0708 1710 0.0006 220 520 0.0163 820 0.0692 1120 0.0794 1420 0.0704 1720 0.0005 230 530 0.0217 830 0.0685 1130 0.0784 1430 0.0703 1730 0.0004 240 540 0.0276 840 0.0681 1140 0.0733 1440 0.0703 1740 0.0004 250 550 0.0320 850 0.0688 1150 0.0736 1450 0.0644 1750 0.0003 260 560 0.0348 860 0.0705 1160 0.0738 1460 0.0539- 1760 0.0003 270 570 0.0377 870 0.0721 1170 0.0740 1470 0.0450 1770 0.0002 280 580 0.0408 880 0.0736 1180 0.0745 1480 0.0376 1780 0.0002 290 590 0.0439 890 0.0751 1190 0.0747 1490 0.0315 1790 0.0001 300 600 0.0471 900 0.0765 1200 0.0751 1500 0.0263 1800 0.0001 11/18/99 5 :27 :26 pm RCA - Seattle page 1 First Bu=lders - Renton Preliminary Drainage Report BASIN SUMMARY BASIN ID:' cbl-Cyr NAME : Area draining into cb#1 SBUH METHODOLOGY TOTAL AREA • 0 . 19 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 09 Acres 0 . 11 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE : 0 . 10 cfs VOL: 0 04 Ac-ft TIME : 480 min BASIN ID: cbl0-Cyr NAME : rea draining into cb#10 SBUH METHODOLOGY TOTAL AREA • 0 . 07 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 00 Acres 0 . 07 Acres TIME INTERVAL 10 . 00 miri CN 0 . 00 98 . 00 TC 0 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE: 0 . 05 cfs VOL: 0 . 02 Ac-ft TIME : 480 min BASIN ID: cbll-Cyr NAME: Area draining into cb#11 SBUH METHODOLOGY TOTAL AREA • 0 . 16 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 09 Acres 0 . 07 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF : 0 .20 PEAK RATE : 0 . 07 cfs VOL: 0 . 03 Ac-ft TIME : 480 min 1 BASIN ID: cb12-Cyr NAME : Area draining into cb#12 SBUH METHODOLOGY TOTAL AREA • 0 . 08 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 02 Acres 0 . 06 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE : 0 . 05 cfs VOL: 0 . 02 Ac-ft TIME : 480 min 11/18/99 5 :27 :26 pm RCA - Seattle page 2 First Builders - Renton Preliminary Drainage Report BASIN SUMMARY BASIN ID " cb13-Cyr NAME : Area draininginto cb#13 SBUH METHODOLOGY TOTAL AREA • 0 .29 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 06 Acres 0 . 23 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0 . 19 cfs VOL: 0 07 Ac-ft TIME: 480 min BASIN ID: cb14-Cyr NAME : Area draining into cb#14 SBUH METHODOLOGY TOTAL AREA • 0 . 00 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 00 Acres 0 . 00 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE: 0 . 00 cfs VOL: 0 , 00 Ac-ft TIME: 480 min BASIN ID: cb2-Cyr NAME : Area draining into cb#2 SBUH METHODOLOGY TOTAL AREA • 0 . 15 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 07 Acres 0 . 08 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0 . 08 cfs VOL: 0 03 Ac-ft TIME: 480 min BASIN ID: cb3-Cyr NAME : Area draining into cb#3 SBUH METHODOLOGY TOTAL AREA • 0 . 05 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 01 Acres 0 . 04 Acres TIME INTERVAL 10 . 00 mi CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE : 0 . 03 cfs VOL: 0 . 01 Ac-ft TIME : 480 min 11/18/99 5 :27 :26 pm RCA - Seattle page 3 First Builders - Renton Preliminary Drainage Report I 7 BASIN SUMMARY BASIN ID - cb4-Cyr NAME : Area draining into cb#4 SBUH METHODOLOGY TOTAL AREA • 0 . 11 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 05 Acres 0 . 06 Acres TIME INTERVAL 10 . 00 mir_ CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0 . 06 cfs VOL : 0 . 02 Ac-ft TIME : 480 min BASIN ID: cb5-Cyr NAME : Area draining into cb#5 SBUH METHODOLOGY I TOTAL AREA • 0 . 03 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 00 Acres 0 . 03 Acres TIME INTERVAL 10 . 00 min CN 0 . 00 98 . 00 TC • 0 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE : 0 . 02 cfs VOL: 0 . 01 Ac-ft TIME : 480 min BASIN ID: cb6-Cyr NAME: Area draining into cb#6 SBUH METHODOLOGY TOTAL AREA • 0 . 17 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 10 Acres 0 . 07 Acres TIME INTERVAL • 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 `- PEAK RATE : 0 . 07 cfs VOL: 0 . 03 Ac-ft TIME : 480 min BASIN ID: cb7-Cyr NAME: Area draining into cb#7 SBUH METHODOLOGY TOTAL AREA • 0 . 08 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 01 Acres 0 . 07 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF : 0 . 20 PEAK RATE: 0 . 05 cfs VOL: 0 . 02 Ac-ft TIME: 480 min 11/18/99 5 :27 :26 pm RCA - Seattle page 4 First Builders - Renton Preliminary Drainage Report i BASIN SUMMARY BASIN ID:` cb8-Cyr NAME : Area draining into cb#8 SBUH METHODOLOGY TOTAL AREA • 0 . 02 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 01 Acres 0 . 01 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE : 0 . 01 cfs VOL: 0 . 00 Ac-ft TIME : 480 min BASIN ID: cb9-Cyr NAME: Area draining into cb#9 SBUH METHODOLOGY TOTAL AREA • 0 . 03 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 02 Acres 0 . 01 Acres TIME INTERVAL 10 . 00 mil CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0 . 01 cfs VOL: 0 . 00 Ac-ft TIME: 480 min 11/12/99 9 : 14 :25 am RCA - Seattle page 1 First Bu .lders - Renton 2 , 10 & 100 yr Event for Detent1.on r BASIN SUMMARY BASIN ID: Devl00yr NAME : Dev 100 yr event South Basin SBUH METHODOLOGY TOTAL AREA • 1 . 52 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 0 . 86 Acres 0 . 66 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE: 0 . 69 cfs VOL: 0 28 Ac-ft TIME : 480 min BASIN ID: DevlOyr NAME: Dev 10 yr event South Basin SBUH METHODOLOGY TOTAL AREA • 1 . 52 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 2 . 87 inches AREA. . : 0 . 86 Acres 0 . 66 Acres TIME INTERVAL 10 . 00 mini CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE : 0 .44 cfs VOL: 0 . 19 Ac-ft TIME : 480 min BASIN ID: Dev2yr NAME : Dev 2 yr event South Basin SBUH METHODOLOGY TOTAL AREA • 1 . 52 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 1 . 97 inches AREA. . : 0 . 86 Acres 0 . 66 Acres TIME INTERVAL 10 . 00 milli CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE : 0 .26 cfs VOL: 0 . 11 Ac-ft TIME: 480 min 11/12/99 8 :28 : 15 am RCA - Seattle • page 1 First Builders - Renton 2 , 10 & '100 yr Event for Detention STAGE STORAGE TABLE RECTANGULAR VAULT ID No. 1 Description: Detention Vault Length: 68 . 00 ft . Width: 20 . 00 ft . voids : 1 . 000 STAGE <----STORAGE----> STAGE <----STORAGE----> STAGE <----STORAGE----> STAGE <----STORAGE----> (ft) ---cf--- --Ac-Ft- (ft) ---cf--- --Ac-Ft- (ft) ---cf--- --Ac-Ft- (ft) ---cf--- --Ac-Ft- 100.50 0.0000 0.0000 103.00 3400 0.0781 105.50 6800 0.1561 108.00 10200 0.2342 41_ EsY H V L ) 100.60 136.00 0.0031 103.10 3536 0.0812 105.60 6936 0.1592 08.10 10336 0.237c 100.70 272.00 0.0062 103.20 3672 0.0843 105.70 7072 0.1624 108.20 10472 0.2•.4 100.80 408.00 0.0094 103.30 3808 0.0874 105.80 7208 0.1655 10:.30 10608 0. •35 100.90 544.00 0.0125 103.40 3944 0.0905 105.90 7344 0.1686 108.40 10744 0 466 101.00 680.00 0.0156 103.50 4080 0.0937 106.00 7480 0.1717 108.-0 10880 ..2498 101.10 816.00 0.0187 103.60 4216 0.0968 106.10 7616 0.1748 108.6. 11016 0.2529 101.20 952.00 0.0219 103.70 4352 0.0999 106.20 7752 0.1780 108.70 11152 0.2560 101.30 1088 0.0250 103.80 4488 0.1030 106.30 7888 0.1811 108.80 1128: 0.2591 101.40 1224 0.0281 103.90 4624 0.1062 106.40 8024 0.1842 108.90 114 4 0.2623 101.50 1360 0.0312 104.00 4760 0.1093 106.50 8160 0.1873 109.00 1:60 0.2654 101.60 1496 0.0343 104.10 4896 0.1124 106.60 8296 0.1904 109.10 1.696 0.2685 101.70 1632 0.0375 104.20 5032 0.1155 106.70 8432 0.1936 109.20 .1:32 0.2716 t 101.80 1768 0.0406 104.30 5168 0.1186 106.80 8568 0.1967 109.30 119:8 0.2747 101.90 1904 0.0437 104.40 5304 0.1218 106.90 8704 0.1998 109.40 1210•• 0.2779 102.00 2040 0.0468 104.50 5440 0.1249 107.00 8840 0.2029 109.50 12240 0.2810 102.10 2176 0.0500 104.60 5576 0.1280 107.10 8976 0.2061 109.6. 12376 '.2841 102.20 2312 0.0531 104.70 5712 0.1311 107.20 9112 0.2092 109.90 12512 0 2872 102.30 2448 0.0562 104.80 5848 0.1343 107.30 9248 0.2123 109/80 12648 0.•904 102.40 2584 0.0593 104.90 5984 0.1374 107.40 9384 0.2154 109'.90 12784 0.2'35 102.50 2720 0.0624 105.00 6120 0.1405 107.50 9520 0.2185 11'0.00 12920 0.29.6 102.60 2856 0.0656 105.10 6256 0.1436 107.60 9656 0.2217 110.00 12920 0.296: 102.70 2992 0.0687 105.20 6392 0.1467 107.70, 9792 0.2248 102.80 3128 0.0718 105.30 6528 0.1499 107.80 9928 0.2279 102.90 3264 0.0749 105.40 6664 0.1530 107.90 10064 0.2310 r�1-�, Z15£ I N oo--' R v NI T V 11/12/99 8 :4': 12 am RCA - Seattle page 9 First Bu_lders - Renton 2 , 10 & 100 yr Event for Detention STAGE D:SCHARGE TABLE MULTIPLE'-ORIFICE ID No. 01 Description: Orifice Control Outlet Elev: 100 . 50 Elev: 98 . 50 ft Orifice Diameter: 0 . 3633 in. - .ve,) „ Elev: 103 . 80 ft Orifice 2 Diameter: 0 . 8994 in. - 74 „ Elev: 105 . 60 ft Orifice 3 Diameter: 1 . 0664 in. _ I " STAGE <--DISCHARGE---> STAGE <--DISCHARGE---> STAGE <--DISCHARGE---> STAGE <--DISCHARGE---> (ft) ---cfs (ft) ---cfs (ft) ---cfs (ft) ---cfs 100.50 0.0000 102.10 0.0045 103.70 0.0064 105.30 0.0347 100.60 0.0011 102.20 0.0047 103.80 0.0065 105.40 0.0357 100.70 0.0016 102.30 0.0048 103.90 0.0135 105.50 0.0366 100.80 0.0020 102.40 0.0049 104.00 0.0165 105.60 0.0375 100.90 0.0023 102.50 0.0051 104.10 0.0188 105.70 0.0482 101.00 0.0025 102.60 0.0052 104.20 0.0208 105.80 0.0531 101.10 0.0028 102.70 0.0053 104.30 0.0225 105.90 0.0570 101.20 0.0030 102.80 0.0054 104.40 0.0241 106.00 0.0605 101.30 0.0032 102.90 0.0055 104.50 0.0255 106.10 0.0636 101.40 0.0034 103.00 0.0057 104.60 0.0269 106.20 0.0665 101.50 0.0036 103.10 0.0058 104.70 0.0282 106.30 0.0692 101.60 0.0038 103.20 0.0059 104.80 0.0294 106.40 0.0717 101.70 0.0039. 103.30 0.0060 104.90 0.0305 106.50 0.0741 1 101.80 0.0041 103.40 0.0061 105.00 0.0316 101.90 0.0042 103.50 0.0062 105.10 0.0327 102.00 0.0044 103.60 0.0063 105.20 0.0337 11/12/99 8 :4 : 13 am RCA - Seattle page 10 First Builders - Renton 2 , 10 & 100 yr Event for Detention LEVEL POOTI TABLE SUMMARY MATCH INFLOW -STO- -DIS- <-PEAK-> OUTFLOW STORAGE < DESCRIPTION > (cfs) (cfs) --id- --id- <-STAGE> id (cfs) VOL (cf) 2 yr Event 0.01 0.26 1 01 103.75 1 0.01 4419.44 cf 10 yr Event 0.04 0.44 1 01 105.45 2 0.04 6738.28 cf 100 yr Event 0.08 0.69 1 01 106.96 3 0.08 8787.42 cf WATER QUALITY TREATMENT VAULT SIZING CALCULATIONS 11/12/99, 12 : 26 :53 am RCA - Seattle page 1 First Builders - Renton 2, 10 & 100 yr Event for Detention BASIN SUMMARY Q'41.4 T`11 CAL C L_" i 1 o 1-►5 BASIN ID: ExCyrS NAME: Pr dev 2 yr event South Basin SBUH METHODOLOGY TOTAL AREA • 2 . 34 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 1 . 97 inches AREA. . : 2 . 34 Acres 0 . 00 Acres TIME INTERVAL 10 . 00 min CN • 55 . 00 0 . 00 TC • 55 . 99 min 0 . 00 min ABSTRACTION COEFF: 0 . 20 TcReach Sheet L: 175 . 00 ns : 0 . 4000 p2yr: 1 . 97 s : 0 . 0280 TcReach - Sheet L: 125 . 00 ns : 0 . 4000 p2yr: 1 . 97 s : 0 . 0920 TcReach Shallow L: 65 . 00 ks : 5 . 00 s : 0 . 0750 PEAK RATE: 0 . 01 cfs VOL: 0 . 00 Ac-ft TIME : 1440 min BASIN ID: ExCyrS NAME: Pr dev 100yr event South Basin SBUH METHODOLOGY TOTAL AREA • 2 . 34 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 87 inches AREA. . : 2 . 34 Acres 0 . 00 Acres TIME INTERVAL 10 . 00 min CN • 55 . 00 0 . 00 TC • 56 . 00 min 0 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0 . 08 cfs VOL: 0 . 09 Ac-ft TIME: 960 min CONVEYANCE CALCULATIONS FOR THE 25-YEAR EVENT • . . 1 , - , -. I . .. 1 • . NORTh ._.,_ • ,c , 71 .,' L,._• , .,,I.: _..3...v --. - - -- =........---"4-- ---.....3.:..: - • -,,-1:7 rt:.:. . ... •, — -- — - . r " I eN . >s I ° ...-1 R . 1 , • C13#5 t.., 'i . v. 1 •. • 1.-1:— G 1B# . . f.'..- ' 1k.. I CB#2 GB#G . P3/- d'Or 1 , . 1 J r... ... ,,i4dissityla- 71-it - , li 1 1. ‘,..Ai f N P; 44"0:;,,,0 . • .. ....... N Pcl/RG itati,/ 0 ii. 0411" % CI5 p , . 1 ci3#10 : c134tci 1 ‘ -- P2/R1 • I I ._ 11 C B#4 . 1 I ? .. 1 • -0 li ,, rl. g , •• - - ii P10;R7 II , . 1 P11/R8 1 . I 3 013#12/ 1/4. CB#11 ( 1 ' • 1 P12/1Rcl i . ; ) CB#1I4 i j 1111.?, Pl /R10 . 1 •/ OB#13 , di , . ---- x •• -- .-_-.. .. - 7777.7? 1 fl , 1 . . . • . i .- ' 1 i I 1 1 , ! i , H NOT TO SCALE 1 irmiurrr-ApuAps • ROUT7iCr SCHEMATIC 11/18/99 5 :26 :34 pm RCA - Seattle page 1 First Builders - Renton Preliminary Drainage Report BAS N SUMMARY BASIN ID: cbl-25yr NAME : Area draining into cb#1 SBUH METHODOLOGY TOTAL AREA • 0 . 19 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 .40 inches AREA. . : 0 . 09 Acres 0 . 11 Acres TIME INTERVAL 10 . 00 mini CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE: 0 . 09 cfs VOL: 0 .03 Ac-ft TIME: 480 min BASIN ID: cb10-25y NAME : rea draining into cb#10 SBUH METHODOLOGY TOTAL AREA • 0 . 07 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 40 inche9 AREA. . : 0 . 00 Acres 0 . 07 Acres TIME INTERVAL 10 . 00 min CN 0 . 00 98 . 00 TC • 0 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0 . 05 cfs VOL: 0 . 02 Ac-ft TIME : 480 min BASIN ID: cbll-25y NAME : Area draining into cb#11 SBUH METHODOLOGY TOTAL AREA • 0 . 16 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 40 inches AREA. . : 0 . 09 Acres 0 . 07 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0 . 06 cfs VOL: 0 . 02 Ac-ft TIME : 480 min BASIN ID: cb12-25y NAME : rea draining into cb#12 SBUH METHODOLOGY TOTAL AREA • 0 . 08 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 .40 inches AREA. . : 0 . 02 Acres 0 . 06 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0 . 04 cfs VOL: 0 . 02 Ac-ft TIME : 480 min 1 11/18/99 5 :26 : 34 pm RCA - Seattle page 2 First Bu ' lders - Renton Preliminary Drainage Report i BASIN SUMMARY i BASIN ID cb13-25y NAME : rea draining into cb#13 SBUH METHODOLOGY TOTAL AREA • 0 . 29 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP _I PRECIPITATION • 3 .40 inche AREA. . : 0 . 06 Acres 0 . 23 Acres TIME INTERVAL 10 . 00 mi CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE: 0 . 17 cfs VOL: 0 . 06 Ac-ft TIME: 480 min BASIN ID: cb14-25y NAME: Area draining into cb#14 SBUH METHODOLOGY TOTAL AREA • 0 . 00 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 .40 inches AREA. . : 0 . 00 Acres 0 . 00 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE: 0 . 00 cfs VOL: 0 00 Ac-ft TIME : 480 min BASIN ID: cb2-25yr NAME : rea draining into cb#2 SBUH METHODOLOGY TOTAL AREA • 0 . 15 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 .40 inches AREA. . : 0 . 07 Acres 0 . 08 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE: 0 . 06 cfs VOL: 0 . 03 Ac-ft TIME : 480 min BASIN ID: cb3-25yr NAME: Area draining into cb#3 SBUH METHODOLOGY TOTAL AREA • 0 . 05 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 .40 inches AREA. . : 0 . 01 Acres 0 . 04 Acres TIME INTERVAL • 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE : 0 . 03 cfs VOL: 0 . 01 Ac-ft TIME: 480 min I ij I 11/18/99 5 :26 :34 pm RCA - Seattle page 3 First Bu' lders - Renton Preliminary Drainage Report i BASIN SUMMARY BASIN ID = cb4-25yr NAME : rea draining into cb#4 SBUH METHODOLOGY TOTAL AREA • 0 . 11 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 . 40 inches AREA. . : 0 . 05 Acres 0 . 06 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE: 0 . 05 cfs VOL: 0 . 02 Ac-ft TIME : 480 min BASIN ID: cb5-25yr NAME: Area draining into cb#5 SBUH METHODOLOGY TOTAL AREA • 0 . 03 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 .40 inches AREA. . : 0 . 00 Acres 0 . 03 Acres TIME INTERVAL 10 . 00 min CN 0 . 00 98 . 00 TC • 0 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0 . 02 cfs VOL: 0 . 01 Ac-ft TIME : 480 min BASIN ID: cb6-25yr NAME : Area draining into cb#6 SBUH METHODOLOGY TOTAL AREA • 0 . 17 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 .40 inches AREA. . : 0 . 10 Acres 0 . 07 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE: 0 . 06 cfs VOL: 0 . 03 Ac-ft TIME : 480 min BASIN ID: cb7-25yr NAME : Area draining into cb#7 SBUH METHODOLOGY TOTAL AREA • 0 . 08 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 .40 inches AREA. . : 0 . 01 Acres 0 . 07 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE : 0 . 05 cfs VOL: 0 . 02 Ac-ft TIME: 480 min li _I I 11/18/99 5 :26 :34 pm RCA - Seattle page 4 First Bu=lders - Renton Preliminary Drainage Report BAS N SUMMARY BASIN ID . cb8-25yr NAME : rea draining into cb#8 SBUH METHODOLOGY TOTAL AREA • 0 . 02 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 .40 inches AREA. . : 0 . 01 Acres 0 . 01 Acres TIME INTERVAL 10 . 00 min CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 .20 PEAK RATE : 0 . 01 cfs VOL: 0 . 00 Ac-ft TIME : 480 min BASIN ID: cb9-25yr NAME: Area draining into cb#9 SBUH METHODOLOGY TOTAL AREA • 0 . 03 Acres BASEFLOWS : 0 . 00 cfs RAINFALL TYPE TYPE1A PERV IMP PRECIPITATION • 3 .40 inches AREA. . : 0 . 02 Acres 0 . 01 Acres TIME INTERVAL 10 . 00 mini CN • 68 . 00 98 . 00 TC 5 . 00 min 5 . 00 min ABSTRACTION COEFF: 0 . 20 PEAK RATE : 0 . 01 cfs VOL: 0 . 00 Ac-ft TIME: 480 min 11/16/99 4 : 10 : 54 pm RCA - Seattle page 1 First Bu' lders - Renton Preliminary Drainage Report r STRUCI URE REPORT PROPOSED STRUCTURE REACH ID No. CB1 Location North • 1425 . 0000 Str Type TYPE 1 East • 1365 . 0000 Str Cat : Catch Basin Rim Elev : 300 . 2500 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 296 . 0800 Cont Area: cbl-25yr Hgrade El : 0 . 0000 ft Bend • No special shape Ent type . : Area/sump : Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P1 297 . 580 8 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB10 Location : North • 1305 . 0000 Str Type : TYPE 1 East • 1115 . 0000 Str Cat : Catch Basin Rim Elev : 294 . 0000 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 289 . 8300 Cont Area: cb10-25y Hgrade El : 0 . 0000 ft Bend • No special shape Ent type. : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 Aop Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P9 291 .330 8 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB11 Location : North • 1180 . 0000 Str Type : TYPE 1 East • 1145 . 0000 Str Cat : Catch Basin Rim Elev : 289 . 5000 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 284 . 8500 Cont Area: cbll-25y Hgrade El : 0 . 0000 ft Bend • No special shape Ent type . : Area/sump : Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P10 286 . 350 12 . 00 0 . 012 Lower P11 286 . 680 8 . 00 0 . 012 Lower P12 286 . 350 12 . 00 0 . 012 Upper 11/16/99 4 : 10 : 54 pm RCA - Seattle page 2 First Builders - Renton Preliminary Drainage Report STRUCTURE REPORT PROPOSED4STRUCTURE REACH ID No. CB12 Location : North 1180 . 0000 Str Type : TYPE 1 East 1115 . 0000 Str Cat : Catch Basin Rim Elev : 289 . 5000 Area/sump : 0 . 00 sf/1 . 50 ft Bottom El : 285 . 3300 Cont Area: cb12-25y Hgrade El : 0 . 0000 ft Bend • No special shape Ent type. : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P11 286 . 830 8 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB13 Location : North 1085 . 0000 Str Type : TYPE 1 East 1150 . 0000 Str Cat : Catch Basin Rim Elev : 287 . 0000 Area/sump : 0 . 00 sf/1 . 50 ft Bottom El : 282 . 8300 Cont Area : cb13-25y Hgrade El : 0 . 0000 ft Bend • No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P13 284 .330 8 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB14 Location : South End of Detention Vault North 1100 . 0000 Str Type : TYPE 2-54 East 1150 . 0000 Str Cat : Catch Basin Rim Elev : 288 . 0000 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 281 .4200 Cont Area : Hgrade El : 0 . 0000 ft Bend • No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 Ap Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P13 284 . 250 8 . 00 0 . 012 Lower P14 282 . 920 24 . 00 0 . 012 Upper 11/16/99 4 : 10 : 54 pm RCA - Seattle page 3 First Bu ' lders - Renton Preliminary Drainage Report STRUCTURE REPORT PROPOSED"STRUCTURE REACH ID No. CB2 Location : North 1425 . 0000 Str Type : TYPE 1 East 1395 . 0000 Str Cat : Catch Basin Rim Elev : 300 . 2500 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 295 . 9300 Cont Area: cb2-25yr Hgrade El : 0 . 0000 ft Bend • No special shape Ent type. : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P1 297 .430 8 . 00 0 . 012 Lower P2 297 .430 8 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB3 Location : North 1380 . 0000 Str Type : TYPE 1 East 1320 . 0000 Str Cat : Catch Basin Rim Elev : 299 . 5000 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 295 . 3300 Cont Area: cb3-25yr Hgrade El : 0 . 0000 ft Bend • No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 A•p Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P3 296 . 830 8 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB4 Location : North 1350 . 0000 Str Type : TYPE 1 East 1320 . 0000 Str Cat : Catch Basin Rim Elev : 299 . 5000 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 294 . 3333 Cont Area: cb4-25yr Hgrade El : 0 . 0000 ft Bend • No special shape Ent type. : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App. Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P2 296 . 830 8 . 00 0 . 012 Lower P3 295 . 833 8 . 00 0 . 012 Lower P4 296 . 570 12 . 00 0 . 012 Upper 11/16/99 4 : 10 : 54 pm RCA - Seattle page 4 First Builders - Renton Preliminary Drainage Report i STRUCTURE REPORT PROPOSED—STRUCTURE REACH ID No. CB5 Location : North • 1490 . 0000 Str Type : TYPE 1 East • 1190 . 0000 Str Cat : Catch Basin Rim Elev : 303 . 0000 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 298 . 8300 , Cont Area: cb5-25yr Hgrade El : 0 . 0000 ft Bend • No special shape Ent type. : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P5 300 . 330 8 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB6 Location : North • 1380 . 0000 Str Type : TYPE 1 East • 1190 . 0000 Str Cat : Catch Basin Rim Elev : 298 . 0000 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 293 . 5000 Cont Area: cb6-25yr Hgrade El : 0 . 0000 ft Bend • No special shape Ent type. : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P5 295 . 330 8 . 00 0 . 012 Lower P6 295 . 000 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB7 Location : North • 1350 . 0000 Str Type : TYPE 1 East • 1190 . 0000 Str Cat . : Catch Basin Rim Elev : 298 . 0000 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 293 . 3500 Cont Area: cb7-25yr Hgrade El : 0 . 0000 ft Bend • No special shape Ent type. : Area/sump : Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P4 294 . 850 12 . 00 0 . 012 Lower P6 294 . 850 12 . 00 0 . 012 Lower P7 294 . 850 12 . 00 0 . 012 Upper 11/16/99 4 : 10 : 54 pm RCA - Seattle page 5 First Builders - Renton Preliminary Drainage Report T STRUCTURE REPORT PROPOSED"STRUCTURE REACH ID No. CB8 Location : North 1335 . 0000 Str Type : TYPE 1 East 1155 . 0000 Str Cat : Catch Basin Rim Elev : 296 . 0000 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 291 . 5000 Cont Area: cb8-25yr Hgrade El : 0 . 0000 ft Bend • No special shape Ent type . : Area/sump : Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P7 293 . 000 12 . 00 0 . 012 Lower P8 293 . 000 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CB9 Location : North • 1305 . 0000 Str Type : TYPE 1 East • 1145 . 0000 Str Cat : Catch Basin Rim Elev : 294 . 0000 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 288 . 8333 Cont Area: cb9-25yr Hgrade El : 0 . 0000 ft Bend • No special shape Ent type . : Area/sump: Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P8 291 . 000 12 . 00 0 . 012 Lower P9 290 . 333 8 . 00 0 . 012 Lower P10 291 . 000 12 . 00 0 . 012 Upper PROPOSED STRUCTURE REACH ID No. CS1 Location : Control Structure Entrance North • 1152 . 0000 Str Type : TYPE 2-54 East 1154 . 0000 Str Cat : Catch Basin Rim Elev : 289 . 0000 Area/sump: 0 . 00 sf/1 . 50 ft Bottom El : 282 . 9200 Cont Area : Hgrade El : 0 . 0000 ft Bend • No special shape Ent type . : Area/sump : Ent Loss : 0 . 000 Exit : 0 . 000 App Vel : 0 . 000 Junct : 0 . 000 Bend: 0 . 000 Reach <Invert> <Diam> < n > <End> P12 282 . 920 12 . 00 0 . 012 Upper BACKWATER ANALYSIS FOR THE 25-YEAR EVENT / 'irst Builders-Renton,WA Backwater Analysis lackflow Calculations Existing and Proposed Storm Drain for First Builders-Renton,WA L _-- (1) - -(2) (3) (4) - (5) (6) (7) (8) (9) _ (10) (11) (12) - (13) (14) (15) Down Headwater (16) - (17) - _ -(18)- - - - (19) (20) Up- Pipe Segment - Invert Elevation - _ _ _ Outlet Stream- Depth for Inlet Inlet Approach Kb - Stream Down- Up- Down- Up- Full-flow Full-flow Velocity Tailwater Friction Entrance Ke Entrance Exit Control Rim Smooth Control or Velocity (from Bend JurlOtion Headwater Rim Stream Stream O Length Pipe Size Stream Stream Area Velocity Head Elevation Loss HGL (from Head Loss Head Loss Elevation Elevation Int.Culvert Elevation Outlet Head Chart,fig Head Loss Head Loss Elevation Elevation Structure Structure (cfs) (ft) (in) i (ft) "n" (ft) (ft) (sf) (fps) (ft) (ft) (ft) (ft) Table) (ft) (ft) (ft) (ft) (ft) (ft) Control? (ft) 4.3.4.E) (ft)) Q3 Q1 Kj (ft) (ft) (ft) !ROPOSED CONDITIONS-Open Outlet(25 year event) Outlet CB#11 0.46 15 8 0.667 0.012 286.20 286.35 0.35 1.33 0.03 286.20 0.02 286.22 0.20 0.01 0.0i 28625 288;00- 0:60 -286.95 -286.95 0.02 0.06 0.00 0.00 0.52 0.00 0.00 286.93 289.50 CB#11 _CB#9 0.42 125 8 0.667 0.012 286.35 291.00 0.35 1.20 0.02 286.93 0.13 287.06 0.20 0.00 0.02 287.08 289.50 0.60 291.60 291.60 - 0.02 0.06 0.00 0.04 0.42 0.08 0-00 --291:59- 294.00- CB#9 613#8 0.36 32 8 0.667 0.012 291.00 293.00 0.35 1.04 0.02 291.59 0.02 291.61 0.20 0.00 0.02 291.63 294.00 0.60 293.60 293.60 0.02 0.06 0.00 0.05 0.36 0.10 0.00 293.59 296.00 CB#8 CB#7 0.36 38 8 0.667 0.012 293.00 294.85 0.35 1.03 0.02 293.59 0.03 293.61 0.20 0.00 0.02 293.63 296.00 0.60 295.45 295.45 0.01 _ 0.06_ 0.00 0.00 0.35 0.00 0.00 295.44 298.00 CB#7 CB#4 0.23 130 8 0.667 0.012 294.85 296.57 0.35 0.66 0.01 295.44 t 0.04 295.48 0.20 _ 0.00 0.01 295.49 298.00 0.40 296.97 296.97 0.00 0.06 0.00 0.08 0.23 0.25 0.00 296.97 299.50 ICB#4 CB#2 0.15 106 8 0.667 0.012 296.83 297.43 0.35 0.43 0.00 296.97_ 0.01 296.98 0.20 0.00 0.00 - 296.99-�299.50 0.40 297.83 297.83 0.00 0.40 0.00 0.03 0.15 0.15 0.00 297.83 300.25 CB#2 CB#1 0.09 30 8 0.667 0.012 297.43 297.58 0.35 0.25 0.00 297.83 0.00 297.83 0.20 0.00 0.00 297.83 300.25 0.40 297.98 297.98 0.00 1.32 0.00 0.00 0.09 0.00 0.00 297.98 300.25 )ROPOSED CONDITIONS-_O_p_en_Outlet(100 year event) • Outlet _CB#11 0.62 15 8 10.667 0.012 286.20 286.35 0.35 1.77 0.05 286.20 0.03_ 286.23 - 0.20 0.01 0.05 286.29 288.00 0.60 286.95 286.95 0.03 _ 0.06 0.00 0.00 0.62 0.00 0.00 286.92 289.50 CB#11 CB#9 0.50 125 8 0.667 0.012 286.35 291.00 0.35 1.42 0.03 286.92 0.18 287.10 0.20 0.01 0.03 287.14 289.50 0.60 291.60 291.60 0.02 0.06 0.00 0.05 0.50 0.08 0.00 291.58 294.00 CB#9 CB#8 0.43 32 8 0.667 0.012 291.00 293.00 0.35 1.23 0.02 291.58 0.03 291.61 0.20 0.00 0.02 291.64 294.00 _ 0.60 293.60 293.60 0.02 0.06 0.00 0.05 0.43 0.10 0.00 293.58 296.00 CB#8 CB#7 0.42 38 8 0.667 0.012 293.00 294.85 0.35 1.20 0.02 293.58 0.04 293.62 0.20 0.00 0.02 293.65 296.00 0.60 295.45 295.45 0.01 0.06 0.00 0.00 0.42 0.00 0.00 295.44 298.00 CB#7 CB#4 0.27 130 8 0.667 0.012 294.85 296.57 0.35 0.77 0.01 295.44 0.05 295.50 0.20 0.00 0.01 295.51 298.00 0.40 296.97 296.97 0.00 0.06 0.00 0.10 0.27 0.26 0.00 296.97 299.50 CB#4 CB#2 0.18 106 8 0.667 0.012 296.83 297.43 0.35 0.51 0.00 296.97 0.02 296.99 0.20 0.00 0.00 296.99 299.50 0.40 297.83 297.83 0.00 0.40 0.00 0.03 0.18 0.15 0.00 297.83 300.25 CB#2 CB#1 0.10 30 8 0.667 0.012 297.43 297.58 0.35 0.30 0.00 297.83 0.00 297.83 0.20 0.00 0.00 297.84 300.25 0.40 297.98 297.98 0.00 1.32 0.00 0.00 0.10 0.00 0.00 297.98 300.25 . C wse '�L"L.4 -'K-- �. F -�t, )o, c1� crer 6 In 7 ;,,,,l'e eZG ���e rle� rd,.�ro� > o. S f+. oK , na i \Projects\Excel\backwtrl.XLS Page 1 11/22/99 ; 1 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL 1 1 FIGURE 4.3.4E* BEND HEAD LOSSES IN STRUCTURES 1.4 I I I I _ - -7, - \ = I I -- 1.2 f I — D I) — I _ 1.0 1e<t _ Y 0.8 ' I v — Bend at Manhole, , — I •� _ no Special Shaping c — -- Deflector — w I o -' 0.6 = I . Curved I 1 I I — Y Bend at Manhole, I Curved or Deflector 0.4 I — I — Curved Sewer r/D=2 — I _ 0.2 I _ • I _ / I - _ 00, Sewer r/D>6 I _ I r I - 0.0 i I I I 0° 20° 40° 1► 60° 80° 90° 100° 1 Deflection Angle Y , Degrees I 'From"Modern Sewer Design',copyright 1980,American Iron and Steel Institute { 4.3.4-22 1/90 KING COUNTY, 'WASHINGTON, SURFACE WATER DESIGN MANUAL FIGURE 4.3.4F JUNCTION HEADLOSS IN STRUCTURES 3.4 3.2 Qi • �� �— 03 Q3 = 100% 3.0 '8 — 03 � 7 6 Typical junction chamber Qs - 130,Q1 + 193.Q) -6S VI - 13.5, Vs-. 12.3 2.4 ^— Q,+Q,=0.50(50%) Head Loss=0.94' '0 - = 507. t 1.8 1.6 1.4 Q3 QI =307. 1.2 1.0 _Graphic Example— — — • .8 --I .6 Q3 (?t = 10% .4 r 4 0 2 4 6 8 10 12 14 16 18 20 Velocity in upstream pipe, V(fps) V �5ource: Baltimore County Department of Public Works 4.3.4-23 1/90 11/17/99 11 : 6 : 1 am RCA - Seattle page 1 First Builders - Renton Preliminary Drainage Report HYDROGRAPH SUMMARY Z S-`?rz EJ E N T z s- Z 't VEu-r PEAK TIME VOLUME HYD RUNOFF OF OF Contrib Dr E NUM RATE PEAK HYDRO Area -1r'4 r`°°C cfs min. cf\AcFit Acres 'REA c 4-f 1 0 . 150 480 2621 cf 0 . 34 RI 2 0 . 029 480 490 cf 0 . 05 Tz.z µvD 1+4` 2=3 0 . 227 480 3931 cf 0 . 50 23 4 0 . 080 480 1421 cf 0 .20 R4 µ3+4`11,y = 5 0 . 364 480 6293 cf 0 . 79 25 6 0 . 047 480 759 cf 0 . 07 Q,6, {-1`(D 5,-r1`0 6= 7 0 .419 480 7 212 cf 0 . 88 K3 8 0 . 044 480 736 cf 0 . 08 R8 -IYD +k`(p £3= 9 0 . 521 480 8994 cf 1 . 11 g-c) 10 0 . 168 480 2799 cf 0 . 29 (2-10 f+YD 9+M3IT=11 0 . 689 480 11792 cf 1 . 40 µND (") + +4Y1) 10 1 11/22/99 11 : 59 : 57 am RCA - Seattle page 2 First Builders - Renton Preliminary Drainage Report REACH SUMMARY -A. E 1.i r PIPE REACH ID No. P1 From: CB1 To: CB2 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length 30 . 0000 ft s : 0 . 0050 Up invert : 297 . 5800 ft down invert : 297 . 4300 ft Collection Area : 0 . 1930 Ac . Design Flow 0 . 0863 cfs Dsgn Depth: 0 . 14 ft Pipe Capacity 0 . 9984 cfs Design Vel 1 . 6642 fps Travel Time : 0 . 30 min Pipe Full Vel 2 . 9355 fps PIPE REACH ID No. P10 From: CB9 To: CB11 Pipe Diameter: 1 . 0000 ft n: 0 . 0120 Pipe Length : 125 . 0000 ft s : 0 . 0372 Up invert : 291 . 0000 ft down invert : 286 . 3500 ft Collection Area: 0 . 8790 Ac . Design Flow 0 .4191 cfs Dsgn Depth: 0 . 16 ft Pipe Capacity 8 . 0295 cfs Design Vel 5 . 1248 fps Travel Time : 0 . 41 min Pipe Full Vel 10 .4921 fps PIPE REACH ID No . P11 From: CB12 To : CB11 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length 30 . 0000 ft s : 0 . 0050 Up invert : 286 . 8300 ft down invert : 286 . 6800 ft Collection Area: 0 . 0750 Ac . Design Flow 0 . 0442 cfs Dsgn Depth: 0 . 10 ft Pipe Capacity 0 . 9984 cfs Design Vel 1 . 3638 fps Travel Time : 0 . 37 min Pipe Full Vel 2 . 9355 fps PIPE REACH ID No. P12 From: CB11 To : CS1 Pipe Diameter: 1 . 0000 ft n: 0 . 0120 Pipe Length 29 . 4109 ft s : 0 . 0050 Up invert : 286 . 3500 ft down invert : 286 . 2029 ft Collection Area : 1 . 1110 Ac . Design Flow 0 . 5211 cfs Dsgn Depth: 0 . 30 ft Pipe Capacity 2 . 9437 cfs Design Vel 2 . 6827 fps Travel Time : 0 . 18 min Pipe Full Vel 3 . 8466 fps 11/22/99 11 : 59 : 57 am RCA - Seattle page 3 First Builders - Renton Preliminary Drainage Report REACH SUMMARY PIPE REAN ID No . P13 From: CB13 To : CB14 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length 15 . 0000 ft s : 0 . 0053 Up invert : 284 . 3300 ft down invert : 284 . 2500 ft Collection Area: 0 . 2860 Ac . Design Flow 0 . 1680 cfs Dsgn Depth: 0 . 19 ft Pipe Capacity 1 . 0312 cfs Design Vel 2 . 0656 fps Travel Time : 0 . 12 min Pipe Full Vel 3 . 0318 fps PIPE REACH ID No. P14 From: CS1 To : Pipe Diameter: 1 . 0000 ft n: 0 . 0120 Pipe Length 15 . 0000 ft s : 0 . 0050 Up invert : 286 . 2000 ft down invert : ft Collection Area : Ac . Design Flow cfs Dsgn Depth: ft Pipe Capacity cfs Design Vel fps Travel Time : min Pipe Full Vel fps PIPE REACH ID No. P2 From: CB2 To: CB4 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length : 106 . 0660 ft s : 0 . 0057 Up invert : 297 . 4300 ft down invert : 296 . 8300 ft Collection Area: 0 . 3380 Ac . Design Flow 0 . 1504 cfs Dsgn Depth: 0 . 18 ft Pipe Capacity 1 . 0620 cfs Design Vel 2 . 0436 fps Travel Time : 0 . 87 min Pipe Full Vel 3 . 1224 fps PIPE REACH ID No. P3 From: CB3 To: CB4 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length 30 . 0000 ft s : 0 . 0332 Up invert : 296 . 8300 ft down invert : 295 . 8333 ft Collection Area: 0 . 0500 Ac . Design Flow 0 . 0295 cfs Dsgn Depth: 0 . 05 ft Pipe Capacity 2 . 5737 cfs Design Vel 2 . 3379 fps Travel Time : 0 . 21 min Pipe Full Vel 7 . 5668 fps i 11/22/99 11 :59 : 57 am RCA - Seattle page 4 First Builders - Renton Preliminary Drainage Report REACH SUMMARY PIPE REAbH ID No. P4 From: CB4 To : CB7 Pipe Diameter: 1 . 0000 ft n: 0 . 0120 Pipe Length : 130 . 0000 ft s : 0 . 0132 Up invert : 296 . 5700 ft down invert : 294 . 8500 ft Collection Area: 0 .4960 Ac . Design Flow 0 .2267 cfs Dsgn Depth: 0 . 15 ft Pipe Capacity 4 . 7886 cfs Design Vel 2 . 9694 fps Travel Time : 0 . 73 min Pipe Full Vel 6 . 2572 fps PIPE REACH ID No. P5 From: CB5 To: CB6 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length : 110 . 0000 ft s : 0 . 0455 Up invert : 300 . 3300 ft down invert : 295 . 3300 ft Collection Area: 0 . 0270 Ac . Design Flow 0 . 0191 cfs Dsgn Depth: 0 . 04 ft Pipe Capacity 3 . 0104 cfs Design Vel 2 . 2976 fps Travel Time : 0 . 80 min Pipe Full Vel 8 . 8508 fps PIPE REACH ID No. P6 From: CB6 To: CB7 Pipe Diameter: 1 . 0000 ft n: 0 . 0120 Pipe Length 30 . 0000 ft s : 0 . 0050 Up invert : 295 . 0000 ft down invert : 294 . 8500 ft Collection Area: 0 . 1970 Ac . Design Flow 0 . 0803 cfs Dsgn Depth: 0 . 12 ft Pipe Capacity 2 . 9437 cfs Design Vel 1 . 5484 fps Travel Time : 0 . 32 min Pipe Full Vel 3 . 8466 fps PIPE REACH ID No. P7 From: CB7 To: CB8 Pipe Diameter: 1 . 0000 ft n: 0 . 0120 Pipe Length 38 . 0789 ft s : 0 . 0486 Up invert : 294 . 8500 ft down invert : 293 . 0000 ft Collection Area: 0 . 7680 Ac . Design Flow 0 . 3541 cfs Dsgn Depth: 0 . 14 ft Pipe Capacity 9 . 1761 cfs Design Vel 5 . 3579 fps Travel Time : 0 . 12 min Pipe Full Vel 11 . 9904 fps 11/22/99 11 : 59 : 57 am RCA - Seattle page 5 First Bu' lders - Renton Preliminary Drainage Report REACH SUMMARY PIPE REACH ID No. P8 From: CB8 To : CB9 Pipe Diameter: 1 . 0000 ft n: 0 . 0120 Pipe Length 31 . 6228 ft s : 0 . 0632 Up invert : 293 . 0000 ft down invert : 291 . 0000 ft Collection Area: 0 . 7880 Ac . Design Flow 0 . 3636 cfs Dsgn Depth: 0 . 13 ft Pipe Capacity 10 .4696 cfs Design Vel 5 . 9231 fps Travel Time : 0 . 09 min Pipe Full Vel 13 . 6806 fps PIPE REACH ID No. P9 From: CB10 To: CB9 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length 30 . 0000 ft s : 0 . 0332 Up invert : 291 . 3300 ft down invert : 290 .3333 ft Collection Area: 0 . 0660 Ac . Design Flow 0 . 0467 cfs Dsgn Depth: 0 . 06 ft Pipe Capacity 2 . 5737 cfs Design Vel 2 . 6950 fps Travel Time : 0 . 19 min Pipe Full Vel 7 . 5668 fps Network Reach R1 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfs) (ft) (fps) (fps) P1 0.19 0.67 30.00 0.0050 0.0120 0.09 8.64 0.14 20.60 1.66 2.94 cb1-25yr P2 0.34 0.67 106.07 0.0057 0.0120 0.15 14.17 0.18 26.38 2.04 3.12 cb2-25yr Network Reach R10 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfs) (ft) (fps) (fps) P13 0.29 0.67 15.00 0.0053 0.0120 0.17 16.29 0.19 28.33 2.07 3.03 cb13-25y Network Reach R2 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfsl (ft) (fps) (fps) P3 0.05 0.67 30.00 0.0332 0.0120 0.83 1.14 0.05 7.80 2.34 7.57 cb3-25yr 11/22/99 11 : 59 : 58 am RCA - Seattle page 6 First Builders - Renton Preliminary Drainage Report REACH SUMMARY Network Reach R3 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfs) (ft) (fps) (fps) P4 0.50 1.00 130.00 0.0132 0.0120 0 23 4.74 0.15 15.35 2.97 6.26 cb4-25yr Network Reach R4 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cf ) (ft) (fps) (fps) P5 0.03 0.67 110.00 0.0455 0.0120 0 02 0.63 0.04 5.89 2.30 8.85 cb5-25yr P6 0.20 1.00 30.00 0.0050 0.0120 0 08 2.73 0.12 11.76 1.55 3.85 cb6-25yr Network Reach R5 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cf$) (ft) (fps) (fps) P7 0.77 1.00 38.08 0.0486 0.0120 0.35 3.86 0.14 13.89 5.36 11.99 cb7-25yr P8 0.79 1.00 31.62 0.0632 0.0120 0.36 3.47 0.13 13.20 5.92 13.68 cb8-25yr Network Reach R6 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfs) (ft) (fps) (fps) P9 0.07 0.67 30.00 0.0332 0.0120 0.05 1.81 0.06 9.68 2.69 7.57 cb10-25y Network Reach R7 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfs) (ft) (fps) (fps) P10 0.88 1.00 125.00 0.0372 0.0120 0.42 5.22 0.16 16.09 5.12 10.49 cb9-25yr Network Reach R8 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfs) (ft) (fps) (fps) P11 0.08 0.67 30.00 0.0050 0.0120 0.04 4.43 0.10 14.86 1.36 2.94 cb12-25y 1 11/22/99 11 : 59 : 58 am RCA - Seattle page 7 First Builders - Renton Preliminary Drainage Report REACH SUMMARY Network Reach R9 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfi) (ft) (fps) (fps) P12 1.11 1.00 29.41 0.0050 0.0120 0.52 17.70 0.30 29.57 2.68 3.85 cb11-25y I fi ,I 11/22/99 11 : 37 :41 am RCA - Seattle page 1 • First Builders - Renton Preliminary Drainage Report 1 HYDROGRAPH SUMMARY (oO-Y?i eNENT PEAK TIME VOLUME HYD RUNOFF OF OF Contrib NUM RATE PEAK HYDRO Area cfs min. cf\AcFt Acres 1 0 . 006 1470 936 cf 1 . 52 ''?--� 2 0 . 036 1460 3586 cf 1 . 52 12-1 \N° 1 41-40 7.2.3 0 . 084 1450 7217 cf 1 . 52 23 4 0 . 096 480 1688 cf 0 . 20 ►z4 f� 3 } i+AtD y = 5 0 . 431 480 7408 cf 0 . 79 RS 6 0 . 053 480 871 cf 0 . 07 RI, si- 1-P4b 6=7 0 . 495 480 8472 cf 0 . 88 9-7- 8 0 . 051 480 853 cf 0 . 08 ,41. -4-3- MD 5=9 0 . 617 480 10577 cf 1 . 11 R-9 10 0 . 195 480 3245 cf 0 . 29 2-1O .�b q fi 1-+ko loll 0 . 811 480 13822 cf 1 .40 N{t q + 4`{D 1 o , a 1 , 11/22/99 11 :23 : 10 am RCA - Seattle page 2 First Builders - Renton Preliminary Drainage Report REACH SUMMARY oo-v_ Ev�*fl PIPE REACH ID 'No. P1 From: CB1 To: CB2 • Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length 30 . 0000 ft s : 0 . 0050 Up invert : 297 . 5800 ft down invert : 297 . 4300 ft Collection Area: 0 . 1930 Ac . Design Flow 0 . 1026 cfs Dsgn Depth: 0 . 15 ft Pipe Capacity 0 . 9984 cfs Design Vel 1 . 7518 fps Travel Time : 0 . 29 min Pipe Full Vel 2 . 9355 fps PIPE REACH ID No. P10 From: CB9 To: CB11 Pipe Diameter: 1 . 0000 ft n: 0 . 0120 Pipe Length : 125 . 0000 ft s : 0 . 0372 Up invert : 291 . 0000 ft down invert : 286 . 3500 ft Collection Area: 0 . 8790 Ac . Design Flow 0 .4951 cfs Dsgn Depth: 0 . 17 ft Pipe Capacity 8 . 0295 cfs Design Vel 5 . 3859 fps Travel Time : 0 . 39 min Pipe Full Vel 10 .4921 fps PIPE REACH ID No. P11 From: CB12 To: CB11 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length 30 . 0000 ft s : 0 . 0050 Up invert : 286 . 8300 ft down invert : 286 . 6800 ft Collection Area: 0 . 0750 Ac . Design Flow 0 . 0512 cfs Dsgn Depth: 0 . 11 ft Pipe Capacity 0 . 9984 cfs Design Vel 1 .4275 fps Travel Time : 0 . 35 min Pipe Full Vel 2 . 9355 fps PIPE REACH ID No. P12 From: CB11 To: CS1 Pipe Diameter: 1 . 0000 ft n: 0 . 0120 Pipe Length 29 . 4109 ft s : 0 . 0050 Up invert : 286 . 3500 ft down invert : 286 . 2029 ft Collection Area: 1 . 1110 Ac. Design Flow 0 . 6167 cfs Dsgn Depth: 0 . 32 ft Pipe Capacity 2 . 9437 cfs Design Vel 2 . 8134 fps Travel Time : 0 . 17 min Pipe Full Vel 3 . 8466 fps 11/22/99 11 :23 : 10 am RCA - Seattle page 3 First Bu,lders - Renton Preliminary Drainage Report REACH SUMMARY PIPE REACH ID No . P13 From: CB13 To: CB14 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length 15 . 0000 ft s : 0 . 0053 Up invert : 284 . 3300 ft down invert : 284 .2500 ft Collection Area: 0 . 2860 Ac . Design Flow 0 . 1947 cfs Dsgn Depth: 0 . 20 ft Pipe Capacity 1 . 0312 cfs Design Vel 2 . 1534 fps Travel Time : 0 . 12 min Pipe Full Vel 3 . 0318 fps PIPE REACH ID No. P14 From: CS1 To: Pipe Diameter: 1 . 0000 ft n: 0 . 0120 Pipe Length 15 . 0000 ft s : 0 . 0050 Up invert : 286 . 2000 ft down invert : ft Collection Area: Ac . Design Flow cfs Dsgn Depth: ft Pipe Capacity cfs Design Vel fps Travel Time : min Pipe Full Vel fps PIPE REACH ID No. P2 From: CB2 To: CB4 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length : 106 . 0660 ft s : 0 . 0057 Up invert : 297 . 4300 ft down invert : 296 . 8300 ft Collection Area: 0 . 3380 Ac . Design Flow 0 . 1790 cfs Dsgn Depth: 0 . 19 ft Pipe Capacity 1 . 0620 cfs Design Vel 2 . 1472 fps Travel Time : 0 . 82 min Pipe Full Vel 3 . 1224 fps PIPE REACH ID No. P3 From: CB3 To: CB4 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length 30 . 0000 ft s : 0 . 0332 Up invert : 296 . 8300 ft down invert : 295 . 8333 ft Collection Area: 0 . 0500 Ac . Design Flow 0 . 0341 cfs Dsgn Depth: 0 . 06 ft Pipe Capacity 2 . 5737 cfs Design Vel 2 . 4437 fps Travel Time : 0 . 20 min Pipe Full Vel 7 . 5668 fps 11/22/99 11 :23 : 10 am RCA - Seattle page 4 First Builders - Renton Preliminary Drainage Report i REACH SUMMARY PIPE REACH ID No. P4 From: CB4 To: CB7 Pipe Diameter: • 1 . 0000 ft n: 0 . 0120 Pipe Length : 130 . 0000 ft s : 0 . 0132 Up invert : 296 . 5700 ft down invert : 294 . 8500 ft Collection Area: 0 . 4960 Ac . Design Flow 0 . 2690 cfs Dsgn Depth: 0 . 17 ft Pipe Capacity 4 . 7886 cfs Design Vel 3 . 1247 fps Travel Time : 0 . 69 min Pipe Full Vel 6 . 2572 fps PIPE REACH ID No. P5 From: CB5 To: CB6 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length : 110 . 0000 ft s : 0 . 0455 Up invert : 300 . 3300 ft down invert : 295 . 3300 ft Collection Area : 0 . 0270 Ac . Design Flow 0 . 0218 cfs Dsgn Depth: 0 . 04 ft Pipe Capacity 3 . 0104 cfs Design Vel 2 . 3900 fps Travel Time : 0 . 77 min Pipe Full Vel 8 . 8508 fps PIPE REACH ID No. P6 From: CB6 To: CB7 Pipe Diameter: 1 . 0000 ft n: 0 . 0120 Pipe Length 30 . 0000 ft s : 0 . 0050 Up invert : 295 . 0000 ft down invert : 294 . 8500 ft Collection Area: 0 . 1970 Ac . Design Flow 0 . 0965 cfs Dsgn Depth: 0 . 13 ft Pipe Capacity 2 . 9437 cfs Design Vel 1 . 6357 fps Travel Time : 0 . 31 min Pipe Full Vel 3 . 8466 fps PIPE REACH ID No. P7 From: CB7 To: CB8 Pipe Diameter: 1 . 0000 ft n: 0 . 0120 Pipe Length 38 . 0789 ft s : 0 . 0486 Up invert : 294 . 8500 ft down invert : 293 . 0000 ft Collection Area: 0 . 7680 Ac . Design Flow 0 .4198 cfs Dsgn Depth: 0 . 15 ft Pipe Capacity 9 . 1761 cfs Design Vel 5 . 6350 fps Travel Time : 0 . 11 min Pipe Full Vel 11 . 9904 fps 11/22/99 11 :23 : 10 am RCA - Seattle page 5 First Builders - Renton Preliminary Drainage Report REACH SUMMARY PIPE REA6H ID No. P8 From: CB8 To : CB9 Pipe Diameter: . 1 . 0000 ft n: 0 . 0120 Pipe Length 31 . 6228 ft s : 0 . 0632 Up invert : 293 . 0000 ft down invert : 291 . 0000 ft Collection Area : 0 . 7880 Ac . Design Flow 0 .4310 cfs Dsgn Depth: 0 . 14 ft Pipe Capacity 10 .4696 cfs Design Vel 6 .2312 fps Travel Time : 0 . 08 min Pipe Full Vel 13 . 6806 fps PIPE REACH ID No. P9 From: CB10 To: CB9 Pipe Diameter: 0 . 6667 ft n: 0 . 0120 Pipe Length 30 . 0000 ' ft s : 0 . 0332 Up invert : 291 . 3300 ft down invert : 290 . 3333 ft Collection Area: 0 . 0660 Ac . Design Flow 0 . 0533 cfs Dsgn Depth: 0 . 07 ft Pipe Capacity 2 . 5737 cfs Design Vel 2 . 8104 fps Travel Time : 0 . 18 min Pipe Full Vel 7 . 5668 fps Network Reach R1 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfs) (ft) (fps) (fps) P1 0.19 0.67 30.00 0.0050 0.0120 0.10 10.28 0.15 22.44 1.75 2.94 cbl-Cyr P2 0.34 0.67 106.07 0.0057 0.0120 0.18 16.86 0.19 28.84 2.15 3.12 cb2-Cyr Network Reach R10 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfs) (ft) (fps) (fps) P13 0.29 0.67 15.00 0.0053 0.0120 0.19 18.88 0.20 30.57 2.15 3.03 cb13-Cyr Network Reach R2 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth °%Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfs) (ft) (fps) (fps) P3 0.05 0.67 30.00 0.0332 0.0120 0.03 1.33 0.06 8.36 2.44 7.57 cb3-Cyr 11/22/99 11 :23 : 10 am RCA - Seattle page 6 First Bu ' lders - Renton Preliminary Drainage Report REACH SUMMARY Network Reach R3 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cf ) (ft) (fps) (fps) P4 0.50 1.00 130.00 0.0132 0.0120 0 27 5.62 0.17 16.67 3.12 6.26 cb4-Cyr Network Reach R4 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cf ) (ft) (fps) (fps) P5 0.03 0.67 110.00 0.0455 0.0120 0.02 0.72 0.04 6.27 2.39 8.85 cb5-Cyr P6 0.20 1.00 30.00 0.0050 0.0120 0 10 3.28 0.13 12.85 1.64 3.85 cb6-Cyr Network Reach R5 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cf-) (ft) (fps) (fps) P7 0.77 1.00 38.08 0.0486 0.0120 0.42 4.58 0.15 15.09 5.63 11.99 cb7-Cyr P8 0.79 1.00 31.62 0.0632 0.0120 0.43 4.12 0.14 14.33 6.23 13.68 cb8-Cyr Network Reach R6 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfs) (ft) (fps) (fps) P9 0.07 0.67 30.00 0.0332 0.0120 0.05 2.07 0.07 10.30 2.81 7.57 cb10-Cyr Network Reach R7 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfs) (ft) (fps) (fps) P10 0.88 1.00 125.00 0.0372 0.0120 0.50 6.17 0.17 17.45 5.39 10.49 cb9-Cyr �• Network Reach R8 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cfs (ft) (fps) (fps) P11 0.08 0.67 30.00 0.0050 0.0120 0.05 5.13 0.11 15.94 1.43 2.94 cb12-Cyr ! 1 11/22/99 11 : 23 : 10 am RCA - Seattle page 7 First B ilders - Renton Preliminary Drainage Report REACH SUMMARY l 3._ Network Reach R9 REACH <-AREA> <-DIA> LENGTH SLOPE < n > DSGN Q % PIPE Ndepth %Depth Vact Vfull C_Area ID (Ac) (ft) (ft) ft/ft (cf ) (ft) (fps) (fps) P12 1.11 1.00 29.41 0.0050 0.0120 0.62 20.95 0.32 32.27 2.81 3.85 cbll-Cyr I ` I I F' k e1 t .. 1, ` A •oJ • r •? 1jE' • P 4 :Y.' 1^ ' 1ew' �' it • • . :ry f '. 1. • !{ - - s. •rt-. :' �':Xlpu9ddy SECTION 1 1.1 DESCRIPTION StormFilter is a,passive, flow-through stormwater filtration system. It consists of vaults that house rechargeable cartridges filled with a variety of filte. media. The filter systems are installed in-line with storm drains. The StormFilter works by passing stormwater through media-filled cartridges, which trap particulates and adsorb materials such as 1dissolved metals and hydrocarbons. After being filtered through the media, the treated stormwater flows into a collection pipe or discharges into an open channel drainage way. StormFilter is offerd in three different configurations: cast-in-place, precast and linear. The precast and linear models utilize pre-manufactured vaults. The cast-in-place units are customized for larger flows and may be either covered or uncovered underground units. 1.2 OPERATION 1.2.1 Purpose The StormFilter is a passive stormwater filtration system designed to improve the quality of stormwater runoff from the urban environment before it enters receiving waterways. It is intended to function as a BMP (Best Management Practice) to meet local, state, and federal requirements, which have been, developed to comply with the Clean Water Act. Through independent third party studies, it has been demonstrated that the StormFilter is highly effective for treatment of first flush flows and flo -paced flows during the latter part of a storm. In general, StormFilter's efficiency is highest when pollutant concentrations are highest. The primary target pollutants for removal are: sediments (TSS , soluble metals, soluble phosphorus, nitrates, and oil and grease. - 1.2.2 Sizing The StormFilter is sized to treat the peak flow of a water quality design storm as it passes through the filter. The peak flow is determined by calculations based on the contributing watershed hydrology and using a design storm magnitude. The design storm is usually based on the regulatory requirements set by the local stormwater management agency. The particular size of a StormFilter is determined by the number of filter cartridges (see Figure 4) required to treat the peak stormwater flow. Each cartridge is designed to treat a peai< flow of 15 gpm. For example: a peak design stormwater flow rate of 150 gpm would require that 10 cartridges be used in the treatment vault. Because of the highly porous nature of the granular filter media, the flow through a newly installed cartridge is restricted to 15 gpm, using a restrictor disc, to ensure adequate pollutant-media contact time. 1.2.3 Basic Function The StormFilter is designed to siphon stormwater runoff through a filter cartridge containing media. The variety of media available can be designed to act as a mechanical filter to remove sediments, as an ion exchanger to remove dissolved heavy met.Is, and as an adsorber to remove oils and greases. i ©Stormwater Management updated 4/99 AIR VENT AIR RELIEF VALVE SCREW CAP N Ny/// GRANULAR MEDIA `li FLOAT HOOD r ;;_r I V OUTER SCREEN II 5 II" �'�•1;r+ r 1 CENTER DRAINAGE TUBE liii t : �v. OPTIONAL PLEATED FABRIC INSERT ;��0"� I ii .'ti i 0 itii55i A ",BALL VALVE Wire I FLOOR 5;02 :1:(jL _ 1.,.__ A 4 I, FLOW id' (I 1 _ 1' • (") Q - ea -! I U DERDRAIN MANIFOLD Figure 4. Filter Cartridge. 1.2.4 Priming System Function The treated stormwater collects in the center to•e of the cartridge, which is equipped with a self- priming siphon system. Figure 4 illustrates this system. The key component of the system is the roto-molded float. The float consists of a ball loca ed at the base leading up to a larger portion, which provides increased buoyancy. Initially the ball r sts in a seat effectively closing off the port to the drainage manifold. As a result, the filter fills the center drainage tube ntil the water level has risen high enough to purge the air frorrr the filter cartridges and displaces the float. At a water depth of 22 inches the float pulls loose the ball and allows the filtered water to drai out through the manifold. This effectively "primes" a siphon within the drainage tube and greatly increases the potential across the filter. The priming system increases StormFilter's ability to be loaded with sediment. A related feature is the cartridge "hood". This hood maintains the siphon effect by preventing air from being drawn into the cartridge until the external water level drops below the bottom of the hood. Cartridges are connected to the manifold with a plastic connector. Since some media used is potentially buoyant, a threaded connector affixed to the manifold with compression bolts is necessary to ensure the cartridge isn't lifted out of place. For the heavier leaf media, a slip connector is used. StormFilter is also equipped with flow spreaders that trap floating debris and surface films, even during overflow conditions. Depending on individuaal site characteristics, some systems are equipped with high and/or low flow bypasses. High flow bypasses are installed when the calculated peak storm event generates a flow that overcomes the ov rflow capacity of the system. This is especially important for precast systems. Low flow bypas es are sometimes installed to bypass continuous ©Stormwater Management updated 4/99 inflows caused by ground water seepage, which usually do not require treatment. All Storm Filter units are designed with an overflow. The overflow operates when the inflow rate is greater than the infiltration capacity of the filter media. 1.2.4 Maintenance Overview The primary purpose of the StormFilter is to f!ter out and prevent pollutants from entering our waterways. Like any effective filtration system, periodically these pollutants must be removed to restore the StormFilter to its full efficiency and effectiveness. Maintenance requirements and frequency are dependent on the pollutant load characteristics of each site. To assist the owner with maintenance issues, Stormwater Management Inc. provides detailed Operation & Maintenance Guidelines with each unit. Maintenance services can be provided completely, or in part, by Stormwater Management Inc. Available services include tracking of installed systems, advising the system's owner of maintenance needs, and notification of the regulatory agency once the system has been maintained. Maintenance is usually performed late in the dry season to rejuvenate the filter media and prepare the system for the next rainy season. Maintenance activities can also be required in the event of a chemical spill or excessive sediment loading dye to site erosion or extreme storms. It is good practice to inspect the system after severe storm events. END OF ECTION 1 ©Stormwater Management updated 4/99 • Table 5: MAINTENANCE E UIPMENT REQUIREMENTS Maintenance Equipment Required Minor Maintdnance Pre-Major Maintenance Major Maintenance Cartridge Replacement Inspection Safety Equipment*:first Safety Equipment*:first Safety Equipment*: first aid, cones, barricades, aid, cones, barricades, aid, cones, barricades, flagging,flares,tape, vests, hard hats. flagging, flares,tape, flagging,flares, tape, vests, hard hats. vests, hard hats. Work Clothes: rubber Work Clothes: rubber Work Clothes: rubber boots, coveralls, and boots, coveralls, and boots, coveralls, and gloves. gloves. gloves. Door Bolt, Wrench, Door Bolt,Wrench, Door Bolt, Wrench, Pentasocket And Pentasocket And Pentasocket And Miscellaneous Tools. Miscellaneous Tools. Miscellaneous Tools. Tape Measure Tape Measure I Tape Measure Flashlight Flashlight I Flashlight Grapple or Net,Pole Grapple or Net Pole Grapple or Net Pole Record Keeping Forms Record Keeping Forms Record Keeping Forms Trash/Debris Container Trash/Debris Container I Vacuum Truck Replacement Cartridges Cartridge Hauling Truck Crane,Tripod and Hoist, or Other Lifting Device (300 lb. or greater capacity) Shovels Extra 2 Inch PVC Caps Trash/Debris Container Vault Inlet Pipe Plug I j Dolly PVC Pipe Cutter Ladder Cartridge Installation And Removal Sling *Confined space equipment may be required for vault entry.This equipment must be used by personnel with the appropriate OSHA training. This equipment typically includes: atmospheric testing devices,atmospheric purging and ventilating devices, • and entry,exit,and rescue assisting devices. 2.6 MATERIAL DISPOSAL • The accumulated sediment found in stormwater treatment and conveyance systems must be handled and disposed of in a manner that will not allow ttie material to affect surface or ground.water. It is possible for sediments to contain measurable concentrations of heavy metals and organic chemicals ' ! (such as pesticides and petroleum products). Areas with the greatest potential for high pollutant loading include industrial areas and heavily traveled roads. Sediments and water must be disposed of in accordance with all applicable waste disposal regulations. It is not appropriate to discharge these materials back to the stormwater drainage system. Part of arranging for maintenance to occur should include coordination of disposal of solids (landfill coordination) and liquids (municipal vacuum truck decant facility, local wastewater treatment plant, on-site treatment and discharge). Owners should contact the local public works department and inquire about how the department disposes of their street waste residuals. Disposal methods or reuse of the media contained in the cartridges will be determined by Stormwater Management Inc. If the material has been contaminated with any unusual substance, the cost of special handling and dispos I will be the responsibility of the owner. ©Stormwater Management updated 4/99 S1 • StormFilter System Design Considerations The following are five primary factors that r late to StormFilter design: • Establishing the treatment flow or volu e from site hydrological characteristics. • Assessing water quality and selecting a media. • Establishing the need for pretreatment. • Sizing, siting, system hydraulics and structural considerations. • Incorporating the StormFilter into the site stormwater management plan. Site Hydrological Characteristics Most water quality facilities are designed around a design storm, usually established by the local regulatory agency. Based on historical data, the agency determines the return period of the storm and specifies a modeling methodology to calculate either the peak water quality flow or the runoff volume associated with the design storm. The StormFilter is a flow-based system, and therefore, is sized by calculating the peak flow associated with the design storm. Another consideration related to the site h drology is the calculated peak design flow used for sizing the conveyance system. The storm return period is usually set by the regulatory agency and varies from the 10-y ar to the 100-year storm. This peak flow is important for the evaluation of the hydraulic conveyance of the StormFilter in the case of severe storm events and to determine the need for high flow bypassing. The designer also needs to consider the presence of base flows as well. If groundwater releases a persistent flow to the StormFilter a base flow bypass may be needed. In many urban areas where development has increased peak flows and caused local flooding, many agencies require detention of runoff to reduce the peak flows from the site to pre-developed conditions. In this case, detention becomes a factor in how to configure the Storm Filter into the storm system. Watershed Characteristics Though difficult to quantify, the designer needs to consider other hydrologic factors such as watershed size relative to the peak flow Larger watersheds with a lower C or CN Value can produce the same peak flow as a smaller more impervious site, but the total volume of flow from a given storm is greater Hence, upsizing the facility is necessary. The recommended methodology is to execute a model of the pervious basin using the water quality storm to determine the peak water quality flow and runoff volume. Then take the peak water quality flow and use it lias a basis to calculate the area required of an 85% impervious surface (i.e. execute a nj odel of an 85% impervious site that has the same peak flow as the pervious site). This may require a few iterative models by guessing the area. ©STORMWATER MANAGEMENT updated 4/99 S2 Once this is complete. Then compare the total runoff volume of the impervious site to the volume of the pervious site. The Storm alter is then sized by: Number of Cartridges = (1 - Pretreat)(Qwq 449/15)(Volume Pervious)/(Volume Impervious) Where Pretreat is a credit for pretreatment in terms of the percent removal of TSS. For example if a pretreatment facility was projected to remove 30% (0.30) of the TSS then the system would be downsized by 30%. Detention The StormFilter is usually placed downstream of detention systems, which allows downsizing of the facility, and if designed properly, provides excellent pretreatment. However, the detention system prolongs the flow into the StormFilter and increases the total volume of water treated. For example, the StormFilter may need to treat the entire volume of runoff resulting from a 10-year storm. The suggested methodology is to size the StormFilter using the water quality flow and then allow a credit for pretreatment. Typically the pretreatment credit is calculated by using the VbNr ratio and applying that ratio to the FHWA sediment removal efficiency prediction removal curves (FHWA, 1989). Assessing Water Quality and Selecting Media Assessing the quality of stormwater directed to water quality facilities is difficult. Ultimately, each site develops its own water quality characteristics and even these will vary with time, seasons and random events such as spills or erosion. There are many factors that influence water quality. Land use, storm dynamics, source control and maintenance practices are some major factors. Paved surfaces, such as parking lots, tend to generate sediments, dal and grease and some heavy metals. The specific land use should be evaluated for elevated levels of these pollutants and other pollutants that are characteristic to the land use. A good example is grease associated with fast food restaurants or oil and grease from vehicle maintenance facilities. Selection of a media needs to be done with an understanding of the pollutants generated form the site and the sensitivity of the receiving waters. Table 1 below can act as a basic guideline for media selection, however you should check with Stormwater Management to verify the application. Table 1 Media Selection Guide Pollutant CSF Leaf Perlite Zeolite SMZ Media Sediments Good Excellent Oil and Grease Excellent Excellent Soluble Metals Excellent None Excellent Good Organics Varies Varies Total P Good Good Total N Good Good Phosphate Elevates Good ©STORMWATER MANAGEMENT updated 4/99 - i i S5 • Vehicle and equipment maintenance • Garbage storage, e.g. leaking dumpsters • Principal business activities, e.g. fast food restaurants washing greasy mats in the parking lot • Business sanitation practices e.g. sweeping metal filings to the outside rather than picking them up Site Sweeping It is useful to know the frequency of swe ping and vacuuming of the paved drainage surfaces as this will have direct impact on sediments, floatables, and BOD. Many commercial parking lots are swept weekly. Though sweeping is principally focused on large sized particles and trash, analysis of street sweeping debris has shown elevated levels of Total Petroleum Hydrocarbons (T H) and heavy metals. Catch Basin Operation and Maintenance The catch basins are the first opportunity to pre-treat runoff upon entry into the storm system. Stormwater Management recom ends the use of sumped catch basins with an inverted elbow to trap some oil and floats les. The sump should be at least 18" from the invert of the outlet preferably 24". Stormwater Management recommends thait all of the catch basins be inspected every 6 months for sediments and oil accumulation. They should also be inspected to insure all piping is intact and bypasses are closed. They need to be cleaned when the sediment accumulation is greater than Y2 of the sump depth, or annually when the StormFilter is maintained, whichever comes first. Pretreatment BMPs There are two types of pretreatment used in conjunction with the StormFilter. First is removal ,of oils and greases when heavyloads are expected. Second, and most commonly used, is pre-settling of sedimen to reduce loading to the filter cartridges. Oils and Greases Parking lots and roadways tend to generate sustained loadings of oil and grease at levels of 10 mg/I or less. From paved surfaces, peak oil and grease (O&G) concentrations can easily hit 30 ppm. The O&G content is usually composed of a _ combination of free oils, creating a sheen and a sediment fraction to which O&G has adhered. Under these circumstance , the StormFilter does not need O&G pretreatment. In some applications, such as vehicle mail tenance facilities, O&G loading may exceed the capacity of the StormFilter. Sustained amounts in excess of 25 mg/I may trigger the need for a pretreatment facility. Our base recommendation is the addition of an API separator that has the ability to be retrofitted as a coalescing plate separator. These systems need to be sized and maintaired in accordance with the manufacturer's recommendations. ©STORMWATER MANAGEMENT updated 4/99 I � S9 Smaller diameter particles will be t lapped by the filter cartridges. The filtering efficiency of the cartridges will increase as the system matures, however, there is an associated decrease in the hydraulic efficiency of the system. 4. Desired Frequency of Maintenance Maintenance frequency is highly dependent on the site characteristics, storm dynamics, and various random events that occur on the site throughout the course of the year. As with any tormwater treatment system, maintenance needs vary from site to site and year to year. Maintenance is usually performed annually. Typically, maintenance is driven by sediment loading. Hence, the more effective the pretreatment, the less frequent the maintenance requirements. This manual has a copy of the O&M Guidelines for the Storm Filter. 5. Filter Cartridge Performance As a StormFilter cartridge captures suspended solids from stormwater, it accumulates sediments on the surface. This progressive loading of sediments will reduce the cartridge permeability and cause a decline in the system's hydraulic efficiency. Studies of the StormFilter indicate th t a loading of 11 lbs of dry weight sediment per cylinder incident to filter chamber will decrease the permeability to 60% of design value. The following is the result of sediment loading studies by Stormwater Management. It shows how system permeability is affected by sediments after entering the cartridge chamber. Flow Rate vs. lbs. of Sediment(CSF/70um/36um) • 16 14' A • 12 = ��Flow Rate Decrease by 11 — 1 6.7% ri 6 Row Rate Decrease b I 0 5 _ Y i u- 4 — 50 3 - 2 1 0 . i . • 0 5 10 15 20 25 30 35 40 —�CSF Row Rate(gpm) lbs.of Sediment/Cartridge - -70 um Flow Rate(gpm) 36 urn Row Rate(gpm) ©STORMWATER MANAGEMENT updated 4/99 D1 Precast StormFilter" Introduction Figure 1 shows a typical Precast StormFilter, which consists of one or more precast concrete vaults ranging from 6'x8' to 8'x18' size. These units treat peak water quality design flows ranging from 0.17 cfs to 0.8 cfs. Precast units can be placed in series or parallel to treat higher flows if needed. Design Considerations I-, Typically, a precast StormFilter is installed in-line with the storm system. They can be installed with traffic-bearing lids for parking lot applications, and for all practical purposes, take up no land area. • Water Quality Flow Range from 0.17 to p.80 cfs (higher for multiple precast units) • 2.3 feet of drop from the inlet invert to the outlet invert • Access for Maintenance • Pretreatment considerations • Buoyancy Measures • High Flow Bypass for flows >2.2 cfs Applications • Parking lots • Roadways • Residential developments • Retail/commercial developments • Business/industrial sites • Maintenance facilities The Design Process The following design documentation has been constructed as a step-by-step process to allow for easy and efficient incorporation int the civil construction documents by the civil engineer. We recommend that you review the design criteria and call Stormwater Management if you have any questions. Our technical staf has a broad experience base and can assist you with your stormwater problems. ©STORMWATER MANAGEMENT updated 4/99 D2 4� ' � x ":. malt • FLDW • • L OvJ StormFiltern" — SECTION VIEW StormFP/tern" C.S.PATENT N.S.Om020 AND OTHER C.S.AND FOREIGN PATENTS PENDING STORMWATER- y g A A k", .<m Precast StormFilter"" Figure 1 ©STORMWATER MANAGEMENT updated 4/99 D3 Precast StormFilter Design NOTE:- Periodically check our web site at www.stormwatermgt.com to see if there are design changes. Updated files can b'e downloaded. A_�trovec �y Step 1- Verify with Local Agency D. 0, F . Verify with local agency if the StormFilter is an approved BMP Technology.. If approved, proceed to Step 2. If not yet accepted, ca I Stormwater Management for assistance in gaining quick approval. Step 2 - Calculate Flows Calculate water quality flow (Qtreat) and peak conveyance flow (Qpeak) using approved hydrologic models that are usually established by the regulatory agency. If there are no agency guidelines we recommend the Santa Barbara Urban Hydrograph method for the water quality flows. Evaluate the need to adjust flow based on land use and C factor, using methodology outlined in the System Design section. Step 3 - Pretreatment and Bypassing Establish need for pretreatment and bypassing needs as outlined in the Pretreatment and Bypassing sections of the System Design section. • 6' x 8' vaults will require a pretreatment manhole. • If QPeak is greater than 2.2 cfs, the facility should have a high flow bypass. = 0. 1 cfs Step 4 - Size the Storm Filter • Determine the number of cartridges req ired, and then size the StormFilter based on Table 1 below. The number of cartridg s is determined by: 449 gPm/ s Number of Cartridges = Qtreat x 15 gpm/ Cartridge • There may be cases where more cartridges are added as more of the site is • developed. If this is the case, the unit should be sized to the ultimate build out conditions. ©STORMWATER MANAGEMENT updated 4/99 T ble 1 Determination of Preca t StormFilter Dimensions ::.StormFilter Flow Typical Number Nominal Exterior Model Rate of Cartridges Footprint Number (cfs) All/ailable Width I Length 6x8 Up to 0.20 4 to 6 7 9 6x12 0.18 to 0.37 6 to 12 7 13 8x12 0.40 to 0.46 12 to 14 10 14 8x16 0.50 to 0.80 15 to 24 10 18 8x18 0.54 to 1.00 17 to 30 10 20 8x16/8x16 0.81 to 1.83 25 to 55 10 40 8x18/8x16 0.81 to 1.96 25 to 59 10 42 8x18/8x18 0.81 to 2.03 25 to 61 10 44 • Note: Availability of vault dimensions may vary with region. For Example: Qtreat = 0.45 cfs. Therefore,the number of cartridges = 0.45 * 449 / 15 = - 13.5 cartridges. Round up to 14 and then use Table 1 to set the vault size at 8x14. Step 5 - Determine Inlet and Outlet Geometry • Diagram how the StormFilter fits into your storm system. • Determine rim and pipe invert elevati ns for the StormFilter. Remember that a difference of 2.3 feet must be maintained between the inlet and outlet invert elevations. Note: Use of standard riser sections will help reduce the overall cost of a unit. • The StormFilter requires a minimum depth of 5.25 feet from the top of the lid to the invert of the outlet. • Show all pipe penetrations on the site p an. Pipes can enter the StormFilter from the end or the side within the confines of tie inlet bay. The inlet pipe is preferably 0.1 feet above the invert of the flow spreader, which is 2.2 feet from the invert of the outlet pipe. The inlet invert may be greater than 0.1 feet but additional energy dissipation features may be required inside the vault. The typical vault is about 7 feet deep from the top of lid to the invert of the outlet pipe. Pipes may enter at an angle, however as the angle increases, the penetration becomes elliptical and begins to impact the strength of the vault's side. The hole cast into the vault is typically 2" greater in diameter than the outside diameter of the pipe. Angles greater than 10° from perpendicular to the face of the vault should be specified by the engineer on the plans. • Any type of pipe material can be used. Smooth pipes such as PVC pipes should have sanded fittings to ensure a good non-slip seal with the vault. Stormwater ©STORMWATER MANAGEMENT updated 4/99 Ir SEC ION 2 RECOMMENDED MAINTENANC AND EXPECTED PERFORMANCE 2.1 TYPES OF MAINTENANCE Presently, procedures have been developed or two levels of maintenance: Inspection/minor maintenance and major maintenance. Inspectiop/minor maintenance activities are combined since the minor maintenance does not require special equipment and typically little or no materials are in need of disposal. Inspection/minor maintenance Typically involves opening the flow restricting valves (to pre-set levels) and cleanup of vegetation and debris. Major maintenance typically includes cartridge recharging. Major maintenance may involve disposal of materials that require consideration of regulatory guidelines. Depending on the particular unit configuration and equipment used, major maintenance may require an understanding of OSHA rules. Table 1 summarizes the primary activities associated with StormFilter maintenance, Table 1: Storm Filter Facility Component Maintenance W len Maintenance Activity Expected Facility Performance Requiring Maintenance Activity Is Required Atter Maintaining StormFilter Cartridges Trash and Debris Removal Floatable objects or other Permanent removal from storm and Containment trash i present in the filter. Remove system. Structure to avoid hindrance of filtration and eliminate unsightly debris and trash. Cartridge Replacement 1.Media has been contaminated by 1.New media is able to effectively and Sediment Removal high leivels of pollutants,such as treat stormwater. after a spill. • Drainage System Piping Flushing With Water Drainage system is obstructed by Outflow is not restricted. debris;or sediment. 2.2 MAINTENANCE ACTIVITIES 2.2.1 Maintenance Activity Timing Two scheduled. inspections/maintenance activities should take place during the year. During the minor maintenance activities (routine inspection, debris removal), the type of major maintenance required is determined and, if required for dis osal, samples of the sediments and media are obtained. The next scheduled date is to perform major maintenance activities (replacement of the filter cartridges and associated sediment remov I). In addition to the scheduled activities, it is important to check the condition of the filter after najor storms to check for damage caused by high flows and to check for high sediment accumulatio which may be caused by localized erosion in the drainage area. It may be necessary to adjust maintenance activity scheduling depending on the actual operating conditions encountered by the sy tem. In general, minor maintenance activities will occu late in the rainy season, and major maintenance will occur in late summer to early fall, when flows into the system are not likely to be present. The months indicated in Table 2 show the best recommended times of year for maintenance activities to occur in the Pacific Northwest. ©Stormwater Management updated 4/99 I I Table 2: WORK CALENDAR FOR TYPICAL WET/DRY SEASON WET WET DRY WET 4 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC X X X XX XX XX X = Schedule minor maintenance inspection an media sampling during one of these months. XX= Schedule major maintenance during one of these months. 2.2.2 Maintenance Activity Frequency The primary factor controlling timing of maintenance for the StormFilter is sedimentation. A properly functioning system will remove solids from water by trapping these particulates within the porous structure of the media. The flow through the system will naturally decrease as more and more solids are trapped. Eventually the flow through a system will be low enough to require replacement of the cartridges. Sediment should be removed from up tream trapping devices on an as needed basis to prevent material;from being re-suspended and disc arged to the system. Site conditions greatly influence maintenance req irements. StormFilter units located in areas with erosion or active construction should be inspected and maintained more often than those in fully stabilized areas.' The maintenance frequency may be adjusted as additional monitoring information becomes available during the inspection program. Areas that develop known problems should be inspected more frequently than areas that demons rate no problems, particularly, after large storms. Ultimately, inspection and maintenance activities should be scheduled based on the historic records and characteristics of an individual filter. It is recommended that the maintenance agency develop a database to properly-:manage StormFilter maintenance programs. Prior to the development of the maintenance database, maintenance frequencies shown in Table 3 should be followed. Frequencies should be updated as required. The recommended initial frequency for inspection/minor maintenance is two times per year for the precast unit. StormFilter units should be inspected after all major storms. Sediment removal on an annual basis is recommended until further knowledge is gained about a particular syste . Table 3: FREQUENCY OF !MAINTENANCE ACTIVITY INSPECTION/t INOR MAJOR MAINTENANCE MAINTENANCE (TIMES/YEAR) (TIMES/YEAR) StormFilter 1 (and after major storms) 1 (except in case of a spill) 1 ©Stormwater Management updated 4/99 2.3 MAINTENANCE CREW REQUIREMENTS Table 4 lists the anticipated crew requirements for maintenance operations. Removal of water and sediments during major maintenance activities can be accomplished using either a pump and water truck or a vacuurwtruck. All applicable safety (OSHA) and disposal regulations should be followed. A general description of the maintenance activities f Ilows. Table 4: ANTICIPATED CREW REQUIREMENTS Inspection/Minor Major Maintenance: Major Maintenance: Maintenance Sediment Removal Cartridge Replacement Laborer Utility Worker 1 1 1 Senior Sewer Operator Vacuum/Water Truck Operator 1 1 Hauling Truck Operator 1 Total 1* 2* 3* Special Requirements Knowledge of Knowledge of Knowledge of Proper StormFi ter Disposal Cartridge Removal Function Requirements and Installation Procedures * May require OSHA trained person if vault entry occurs. 2.4 MAINTENANCE METHODS • 2.4.1 Minor Maintenance/Inspection (Once A Year) Minor maintenance typically will involve the steps below, however if it appears that a spill of some type has occurred, the local hazard control agency and Stormwater Management Inc. should be notified immediately. In the case of a spill, the worker should abort maintenance activities until the proper guidance has been obtained. Steps for Minor Maintenance 1. Maintenance to be performed by a utility worker familiar with Storm Filter units. 2. If applicable, set up safety equipment up to protect pedestrians from fall hazards presented by open doors. Also set up appropriate safety equipment for work near roadways. 3. Inspect the external condition of the unit and take notes concerning defects/problems. 4. Open the doors to the vault and allow the system to air out for 5-10 minutes. 1, 5. Without entering the vault, inspect the inside of the unit, including components. 6. Take notes about the external and internal condition. �' ©Stormwater Management updated 4/99 • 7. Give particular attention to recording the level of sediment build-up on the floor of the vault in the forebay, and on top of the internal components. If flow is occurring, note the level of water and estimate the flow rate per drainage pipe. Record all observations. 8. Remove large loose debris and trash using a pole with a grapple or net on the end. r 9. Close and fasten the door, and remove safetl)equipment. 10. Finally, make notes about the local draina a area relative to ongoing construction, erosion problems, or high loadings of other materials to the system. 2.4.2 Major Maintenance Inspection (Once A Year) The primary goal of the major maintenance inspection is to assess the condition of the cartridges relative to the level of sediment loading. It may b; desirable to conduct this inspection during a storm to observe the relative flow through the filter cartridges.. If the submerged cartridges are severely plugged, large amounts of sediments should be present and very little flow will be discharging from the drainage pipes. It is likely that the cartridges need to be replaced. Major maintenance inspection will typically involve the steps below. However, if it appears that a spill of some type has occurred, the local hazard control agency and Stormwater Management Inc. should be notified immediately. In the 1 case of a spill, the worker should abort maintenance activities until the proper guidance has been obtained. Steps For Pre-Major Maintenance Inspection 1. Maintenance to be performed by a utility worker familiar with StormFilter units. 2. If applicable, set up safety equipment to protect pedestrians from fall hazards presented by open doors. Also', set up appropriate safety equipm nt for work near roadways. 3. Inspect the external condition of the unit and t ke notes concerning defects/problems. 4. Open the doors to the vault and allow the vault to air out for 5-10 minutes. 5. Without entering the vault, give the inside of t e unit, including components, a general condition inspection. 6. Take notes about the external and internal con ition. 7. Give particular attention to recording the level of sediment build-up on the floor of the vault, in the forebay, and on top of the internal components 8. Remove large loose debris and trash using a p le with a grapple or net on the end. 9. If the visit is during a storm, make the flow observations discussed above. 1 10. Close and fasten the door, and remove safety equipment. 11. Make notes about the local drainage area rel tive to ongoing construction, erosion problems, or high loading of other materials to the system. . ©Stormwater Management updated 4/99 I • 12. Review the condition reports from the previous minor and major maintenance visits and schedule for cartridge replacement if needed. 2.4.3 Major Maintenance/Cartridge Replacement Major maintenance/filter cartridge replacement Itypically involves the steps below. However, if it appears that a spill of some type has occurred, the local hazard control agency and Stormwater Management Inc. should be notified immediately In the case of a spill, the worker should abort maintenance activities until the proper guidance has been obtained. Depending on the configuration of the particular system, a worker inay be required to enter the vault to perform some tasks. If vault entry is required, OSHA rules for g neral confined space entry must be followed. Filter cartridge replacement should occur during dry weather and it may be necessary to plug the filter inlet pipe if base flows exist. Standing water present in the vault should be regarded as polluted and contained during this operation by temporarily ca ping the manifold connectors. Steps For Cartridge Replacement Maintenance 1. Depending on the particular unit, one or two u ility workers and a hauling truck operator will deliver the replacement cartridges to the site. Information concerning how to obtain the replacement cartridges is available from Stormwater Management Inc. 2. If applicable, set up safety equipment to prot ct pedestrians from fall hazards presented by open doors. Also, set up appropriate safety equipment for work near roadways. 3. Inspect the,external condition of the unit and t ke notes concerning defects/problems. 4. Open the doors to the vault and allow the syst m to air out for 5-10 minutes. 5. Without entering the vault, give the inside of he unit, including components, a general condition inspection. 6. Make notes about the external and internal co dition. 7. Give particular attention to`recording the level Hof sediment build-up on the floor of the vault, in the forebay, and on top of the internal components. 8. Remove large loose debris and trash using a pole with a grapple or net on the end. 9. Using a boom, crane, or other device (dolly aid ramp), off load the replacement cartridges (150 lbs. each) and set aside. 10. Using an appropriate sling, (cartridges must be supported from the base) attach the cable from the boom, crane, or tripod to the cartridge be'ng removed. The threads that the cap attaches to are not a safe lifting point. For more information contact Stormwater Management Inc. This activity may require that workers enter the Yault to remove the cartridges from the drainage system and place them under the vault opens g for lifting. Note that cartridges containing media other than the leaf media require unscrewing from their threaded connectors. Take care not to damage the manifold connectors. This connector should remain installed in the manifold and capped if necessary. (See figure 4). ©Stormwater Management updated 4/99 11. Remove the cartridge (250 lbs. each) from the vault. Care must be used to avoid damaging the cartridges'during removal and installation. The cost of repairing components damaged during maintenance will be the responsibility of the owner unless maintenance activities are being performed by Stormwater Management and damage is not related to discharges to the system. 12. Set the used cartridge aside or load onto the hauling truck. 13. Continue steps 10 through 12 until all cartridges have been removed. 14. Remove deposited sediment from the floor of the vault and, if large amounts are present, from the forebay. This can usually be accomplished by shoveling the sediment into containers which, once full, are lifted mechanically from the vault and placed onto the hauling truck. In some cases of extreme sediment loading, especially if the setliment is saturated, a vactor truck may be required. 15. Once the sediments are removed, it is necessary to assess the condition of the vault, particularly the manifold and the connectors. These are short sections of 2-inch schedule 40 PVC, or threaded schedule 80 PVC that should protrude above the floor of the vault. If required, apply a light coating of FDA approved silicon grease to the outside of the exposed portion of the connectors. This ensures a watertight connection between the cartridge and the drainage pipe. _,, Replace any damaged connectors. i 16. Using the boom, crane, or tripod, lower and install the new cartridges. Once again, take care not to damage connections. 17. Close and fasten the door, and remove safety equipment 18. Make notes about the local drainage area relative to ongoing construction, erosion problems, or high loadings of other materials to the system. 19. Finally, dispose of the residual materials it accordance with applicable regulations. Make arrangements to return the used cartridges to Stormwater Management Inc. , 2.4.4 Related Maintenance Activities (Performe i on an as-needed basis) , StormFilter units are often just one of many components in a more comprehensive stormwater drainage and treatment system. The entire system may include catch basins, detention vaults, sedimentation vaults and manholes, detention/retention ponds, swales, artificial wetlands, and other miscellaneous components. In order for maintenance of the StormFilter to be successful, it is imperative that,all other components be properly maintained. The maintenance/repair of upstream j r facilities should be carried out prior to StormFilterl maintenance activities. In addition to considering upstream facilities, it is also important to correbt any problems identified in the drainage area. Drainage area concerns may include: erosion problems, heavy oil & grease loading, and discharges of inappropriate materials. 2.5 TYPICAL EQUIPMENT REQUIRED FOR MAINTENANCE ACTIVITIES Typical equipment required for conducting maintenance is shown in Table 5. Some of the materials listed are suggestions rather than requirements. It should be noted that there is more than one way to accomplish some tasks. Owners with available labor and equipment resources may desire to use alternative methods. However, it is advisable tha guidance from Stormwater Management Inc. be obtained prior to using alternative techniques. ©Stormwater Management updated 4/99 Sample StormFilter7 f Minor Maintenance and Inspection Data Sheet Date: Location: System Size: TYPE: Cast-In-PI ce Precast Linear Personnel: System Observations Media Months in Service: Oil and Grease in Forebay: Sediment Depth in Forebay: Sediment Depth on Vault Floor: Structural Damage: Estimated Flow from Drainage Pipes (if available): Cartridges Submerged (Yes No )How Deep: StormFilter Minor Maintenance Activities (check off if done and give description) • Remove Trash and Debris: Minor Structural Repairs: Drainage Area Report Excessive Oil and Grease Loading(Yes No )Source: Sediment Accumulation on Pavement(Yes No ) Source: _ Erosion of Landscaped Areas(Yes No ) Source: Items Needing Further Work: Comments: ©Stormwater Management updated 4/99 GENERAL NOTES: me STOR1[ITATER MANAGEMENT Storm141ter' 1.) STORMALTER BY STORMWATER MANAGEMENT, PORTLAND, OREGON (503-240-3393). Us. PATENT No. 6,022,629. No, 5,624,576,AND OTHER ITS. 2.) ALL STORMFILTERS REQUIRE REGULAR-MAINTENANCE. REFER TO OPERATION AND MAINTENANCE MANUAL FOR AND FOREIGN PATENTS PENDING DETAILS. 13.) PRECAST CONCRETE VAULT CONSTRUCTED IN ACCORDANCE WITH ASTM C858. 4.) EXTERNAL PIPING AND COUPLINGS PROVIDED BY OTHERS. 1. 5.) FLEXIBLE COUPLINGS TO BE SET 18" OUTSIDE FACE OF WALL. FERNCO OR ENGINEER APPROVED. 6.) SEE PRECAST STORMFILTER DATA SHEET FOR VAULT DIMENSIONS, ELEVATIONS AND NUMBER OF CARTRIDGES. I y 7.) ANTE-FLOATATION BALLAST TO BE SET ALONG ENTIRE LENGTH OF BOTH SIDES OF FILTER AS SHOWN. SEE PRECAST FILTER DATA BLOCK FOR BALLAST WIDTH AND HEIGHT DIME SIONS. I; - 3 • /ANTI-FLOA ATION BALLAST ALTERNATE PIPE IF FIVE OR LESS CARTRIDGES (BY OTHERS) PRE-CAST ALTERNATE CONCRETE VAULT • '; • .' . • • .:a .�:.• , , r, e. ENERGY DISSIPATER T A A i• ,f` ",•�� ;, otin Er :.-__ • I BAY ^ j j�//i1 j//•- I 1 �1111E17 IlEil%//111U/II i11 2' fir ix. ' �_ 1' X 2' SUMP _, b 0 a1111111 INLET PIPE ��11111111 (BY OTHERS) r—� I' 6' •LADDER (TYP) • \ OUTLET PIPE • (BY OTHERS) // • �� FLEXIBLE COUPLING ...Ft•/%/////NCl/%///////.NW'/4:7- :.; (BY OTHERS) DI%//111%/11^•117.111// :12;11/ •. 2 -,• - jA - / ENERGY DISSIPATER (TYP) r a �•- PIPE MANIFOLD (TYP) RAADIAL RTRIDGEO(TYP) 6'x8' PRECAST STORMFILTER'N— PLAN VIEW ( 1 SCALE: N.T.S \ � I 2 - 3'x3' DIAMOND PLATE DOORS (TYP) TRAFFIC BEARING LID (TYP) • r-1'-6"-•I JOINT��'• OVERFLOW SEALANT (TYP);• • FLOW SPREADER ROUTES /LADDER (TYP) L RADIAL Float ;:« I_ CARTRIDGE luir -I• , I ;FLOW RESTRICTOR •� 4,5' -f DISC (TYP) MINIMUM '., r j ir j ti.il NOTE I.E. IN - I.E. OUT = 2.3' MIN. 6 ...... 30... :„. ,..... 1 ., , .9o� a ; 7.34 PIP :;:� : : i. �70.''',1V1' INTERIORFOLD (TYP) `',�C'`:,��i%`�i.• WALL TMP) 6'x8' PRECAST STORMFILTER' — SECTION A—A I SCALE: N.T.S 110 '",,E, 01:5•2•ED en YOUer: Due xo®':— C[A'°"E -*um 6.1(8. PRECAST STORMFILTER' *umDw8 w�am RA MN*.WE V' DATE BY •ava Or0 .PM PLAN AND SECTION VIEW STANDARD DETAIL .I _SCALE, PROJECT NO. ORAW,NC FILE MANE: AS SnONN 1998 608.0r4 • '`'.� = ., -Appendix 4, . t j fi : ' M�4,�°': 'i' � tom wx„ ra�". s- :yam. W , t i �B •fie '':.. dl :..i..+,aJr _¢#.P�rvv�'" '.�r� q x'� �.e+�@��,.'..rEW�,y i R 1, ,�,., r"i'i,r,✓ '^ti �k'..' p•'"A' r`P"'� 't,▪ f' •.�'&a ae v+l«T':a',P:. �'�:.�;'•:!e;-.. ..x•.x. 4;�h�r.'�j,,9:;.h�' '� ,b;.. 9�` k' Ate, A;: 'ef' . A. d, i•{ 4 A+r r :a,,,.= w▪ 'ay.c+. .fwm, ' `)� - - � - i - •fit: - .. u [7:'., ';,-,. ...,.-.....„. ....:':.:.,:.,-, . :;.-.- •,.. ':.• ,, • ':.'„, ;,t .',.. :,,- , ;:,' . :• ' '''..: •';:'I:r . `'.- . ''': ::.;":::..!:*:'• ' ' ' . ' 1. .% , ';.• -.:.-- :-' .: ••'-,-.' :'.: . • ;2, : '..i,.... t ; .. . •''''. ' ' ' ' ''•'‘..",,,-;'" '.`:•:7f-. _ - .: 'iI � • 1. � - ti 1 t 4 O CO® eat of Development t and Environmental�'1 �nKO Pm ":SIT" 3600136thPinesa,meaR M ROVEMENT::''<''':`" Bellevue,Washington 98006-1400 `:'BOND.>`_QUANTITY'" <' ':':". WORKSHEET =:>. >< ><' Project Name: Fi�sT 2iv I L��Z ._ZZy{-gyp r/ SIERRA Project No.: Date: .�aV )°)°) 9 Location: 2 E-riTo N / 4J/� Sierra Activity No. , ..::...:......::. .. ::.:::.:::::. . :... ..:::..::.<._ :;zas:::•s:r:::> ':.::;•^ '.::FOR.ENTIRE PROJECT:">`>::: ;'.U<'' ;....::::.: ;:.::.::...:..... des Oiiaritl : :. EROSION/SEDIMENT CONTROL —' Fence,tilt • $ 1.30 LY Hydroseeding .40 SY Juts Mash 1.00 SY Mulch,by hand,straw,2'deep .35 SY Mulch,by machine,straw,1'deep .40 SY • Rock Constr Entrance,50'x 15'x 1' 1,030.00 'Each 1 ),03 O Rock Constr Entrance,100'x 15'x 1' 1,800.00 Each Seeding,by hand .35 SY ESC SUBTOTAL a;:i::>:;;EXISTING;>?'>'>:':.:.�'Ft1T11REPOeI.IC; :,:: PRNdTE:::�:<':>:>?:>:?:; ::;; :>;S;RIDFACILITIES`AND:zS>; ;a;::;_"'js'..:;::i:::_<:'%.'.'::`:,%::'BOND ... ,. :.,... .........:....... RIGHT-OF WAY ,......:. ,.... .: : .< i. IMPROVEMEN S. .. >. .. .. . Giro ...:...:.:..:.:<f,.,.; ,.. ::::.:,...:...:,.:....:..:.:,:.,.. .:: :.. ..... .. . .. ... P :.:....::..:,.>: awn :. ,r:r dty. .Du ntl :.:. Prior ... .:.;..:.> tky;>:;: .;Orisntlty< :>!<'Pilo';.d::Complitr�' ''Plorf `CompNtr> ;:Prloi' :'Complst�.:: :He.' GENERAL ITEMS dear/Remove Brush,by hand .24 SY SUBTOTAL FOR PAGE ' Cro4-4:ltue-12n,a4 Pane 1 - - - - -- Shirrs No--- 1--- — Sr . STING,.;'.;s ,fUTUHE.PUCLIC':; :.. -PRN <, RID FACILITIES ASP.:-:::. BOND REDUCTIONS 'ATE•::: :cr':i ;! :•:. ... ,: ..RIGHT-0FWAY:. :.>.:...... . INIPROV EN S::`.:' : >:CONVEYANCE. :. ". ..... .IMPHOVEMEkT6 . . :.:.: :.�:::�:..::�'.... .:..::.:... GENERAL ITEMS(Con't.) Clearing/Grubbing/Removal,trees 6,150.00 Acre t, 3 "' Excavation-bulk 1.10 CY _Excavation=trench 3.00- CY -.6' - Backfill&Compaction-embankment 3.60 CY Backfill&Compaction-trench 5.70 CY Fill&Compact-common barrow 11.10 CY Fill&Compact-gravel base 15.60 CY Fill&Compact-screened topsoil 15.40 CV Grading,fine,with grader .70 SY - Grading,fine,by hand 1.30 SY Fencing,cedar,8'high 25.00 LF Fencing,chain link,6'high 9.20 LF,. Fencing,chain link,gate,20' 880.00 Each Fencing,temporary(NGPEI 1.10 LF Sod 4.82 SY 84.00 Each Monuments,3'long ---Surveying Iotiocatlonfines 630;00--A-cue Surveying,line&grade 510.00 Day Trail,4'crushed cinder 6.50 SY Trail,4'top course 6.00 SY - • Gebion,3'thick,no earthwork 97.00 SY Well,retaining,rockery w/earthwork 21.00 SF ilr SI-S SUBTOTAL FOR PAGE CM-4:9113E-12/9/94 Page 2 , , 'lii ' I_ I I, • - - -- • • Sierra Project No. _ . .RIGHT-OF-WAY ROAD IMPROVEMENTS CONVEYANCE _ _ • - • . . . • • %..• .• • . • • . •;:lIMPROVEMENTS 34 • :••••••,: 1 2 3 .• '.' Unit Quantity .*QuantityPrice Unit Quantity Prics Quantity Prios Quantity Quantity Price Quantity Price Complete'. •Price Complete. Price. Complete,. . Price ROAD IMPROVEMENTS AC Grinding,4'machine 7.00 SY AC Removal/Disposal/Repair 80.00 SY Barricade,type III 30.00 LF Barricade,type I 20.00 LF • Curb,extruded asphalt - 1.80 _IF • Curb,extruded concrete 1.80 LF Curb&Gutter,rolled 9.30 LF Curb&Gutter,vertical 6.90 LF 11410 Demolition/Disposal,curb&gutter 10.30 LF Demolition/Disposal,sidewalk 22.50 SY Sawcut,asphalt,3"depth 1.30 IF 2 15 Sewcut,concrete,per 1"depth 1.10 LF Sealant .70 LF Shoulder,AC,see AC Road SY Shoulder,gravel 6.40 SY — Sidewalk,4*thick,vertical curb 20.80 SY 4 I 0 Sidewalk,5"thick,rolled curb 23.80 SY Striping.4"reflectorizad line .20 LF Striping,par parking stall 2.90 Each Thickened Edge 4.70 LF • ROAD SURFACING (4"rock 2.5 base&1.5'top course) AC Overlay,1.5"AC 5.40 SY 4/57) • • AC Overlay,2"AC 6.50 SY • SUBTOTAL FOR PAGE C/844:1013a 12A1M4 ' Page 3 -- I--- -` _--- �--'--i � --- ' ---- -- - - ' 'I --- -s' - --_iect R'- - -. - t RID FACIUTIES .. .. ;:::....:..::..:.: :.:: :..:...:..:.:: AND BOND REDUCTIONS ;: VEMENTB'::';;• ;: SYSTEMS 1 2 3 ... ,. •.;. . ...,.. .. .:::. .:.......... :... `;Unit>''>.'! Quantity Quantity Quantity Prior ` Unit Quenthy Price Quantity Price Quantity Price Quantity Price Complete Price Complete Pries Complete Price ROAD SURFACING(Con't.) — AC Road,2',4'rock,First 2500 SY 13.70 SY 51)6 �/ AC Reed,2',4'rock,Qty.over 2500 SY 9.10 SY `7/0 AC Road,3-,4'rock,First 2500 SY 16.50 SY AC Road,3',4'rock,Qty.over 2500 SY 11.00 SY AC Road,5',First 2500 SY 16.30 SY AC Road,5-,Qty.over 2500 SY 10.80 SY AC Road,6',First 2500 SY 19.10_ SY AC Road,6',Qty.ovc. 2500 SY 12.70 SY Asphalt Treated Base(ATB)(Assume 2.05 ton/cyd) 30.00 Ton Gravel Road,4'rock,First 2500 SY 7.20 SY Gravel Road,4'rock,Qty.over 2500 SY 4.70 SY PCC Road,5',no base 14.30 SY PCC Road,6',no base 16.60 SY DRAINAGE (CPP=Corrugated Plastic Pipe,N-12 or equivalent) Access Road,RFD 9.30 SY Bollards-fixed 290.00 Each Bollards-removable 475.00 Each (CBs include frame end lid) CB Type I 850.00 Each 13 CB Type IL 1,000.00 Each CB Type II,48'diameter 1,300.00 4'deep for additional depth over 4' +320.00 +1'depth (p SUBTOTAL FOR PAGE . C/e44:M170.13Nre4 Page 4 1 • • • • • Sierra Project No. ....:x::;.:«a.::..:. :.EXISTINGs;'•.`,::`: .:f71TURE 1?UIILIC:>.:r::::<: ..:. ... ...... '...:...,:.....:...;.. .. :, VEMENi ::.... .,. .. AlwaE.w. .•..,r: .:,,,rr.:r: ..,...Pr1w:.: °<:�" �H:,: a>.:Erk�.<:: .::QuantkY,.,,t: ><<Prl$�`2' '.:::Comptitr'. ::Prlois;:';�Plrrt��: aPlo ' CompMt�i: 'p►jo ; • DRAINAGE(Con't,) ' CB Type II,54'diameter 1,450.00 4'deep 2. for additional depth over 4' +370.00 +1'depth / 2— CB Type II,60"diameter 1,600.00 4'deep for additional depth over 4' +410.00 +1'depth CB Type II,72"diameter 2,200.00 4'depth _ for additional depth over 4' +520.00 +1'depth • Through-curb inlet Framework IAdd) 225.00 Each Cloanout,PVC,4' 86.00 Each Cleanout,PVC,6' 115.00 Each Cloanout,PVC,8' • 142.00 Each Culvert,PVC,4' 4.50 IF Culvert,CPP,8' 9.30 LF Culvert,PVC,8' 6.40 LF • Culvert,CMP,8" 9.50 LF ' Culvert,concrete,8' 12.90 LF — Culvert,CPP,8' 10.00 LF �so Culvert,PVC,8' 8.00 LF Culvert,CMP,12" 14.60 LF Culvert,concrete,12" 4 17.90 LF - Culvert,CPP,12" 16.50 LF • Culvert,CMP,15' 18.70 LF Culvert,concrete,15" 22.50 LF • Culvert,CPP,15" • 18.50 LF Culvert,CMP,18" - , 21.90 LF • SUBTOTAL FOR PAGE . • CT4.4:MI3e-12/e/e4 Page 5 • '___� 1. I '---- Si act Ni' • . EXI,.... ... STINOi':;�::`.r: '•t�UiURE PUBLIC'='�s.;•: ::PRNA•TEir: ` ' '. '.RID FACILITIES AND •`' ':'`BONDREDUCTIONS • • ROAD_`::;}:?:::.k.( -',- .: ., .:: ... .. . ... N F.WAY.: :. ..:.... . . .IMPROVEMENTS CONVEYANCEf'<'i:=:["'::` �'IMPROVEMENTtif<? ':< :..::.....:>: ;8 g ;<:Y::'::E ';:r a'l;t>.'«;:ca?;:. ' ;'2::Y.>:;: i.:.....::.:::..: Y TEMS.. U nit.:...>. :,,,;.:::::::..::. >.:•:��;..:•.::�<.:�v;:;:•:�:y:}.::::::::::::. :::'..:'::.;: .,:,.:;.,.:,;,... :'Ousntlty. aa;0ii�htlty:. • • :OusnBty Pda: link,':" Ouen Pria 'Ouantl . • . ....:.:.! . r; �y ty"• "Prlp '�O:uonN ::;..erica`: Quantit y ri ' ':''Pda :. 'Complete, �.Price Complex Price • Complete• '.'''Prloa' DRAINAGE(Con't.) Culvert,concrete,18" 27.60 LF Culvert,CPP,18" 22.00 1 LF Culvert.CMP,24" 30.30 LF Culvert,concrete,24' 39.80 LF Culvert,CPP,24" 29.00 LF Culvert,CMP,30" 38.60 LF Culvert,concrete,30" 64.70 LF - - - Culvert,CMP,36" 82.80 LF Culvert,concrete,36" 83.20 LF • Culvert,CPP,36" 39.00 LF I 0 Culvert,concrete,42" 101.80 LF Culvert,CMP,48' 80.60 LF Culvert,concrete,48" 113.00 LF Culvert.CMP,60" 112.00 LF Culvert,concrete,60" 164.00 LF Ditching,bare,roadside 5.40 CY.. .., • Flow Dispersal Trench 1,100 base + • 15:00— LF 10 French Drain 12.30 LF Mid-tank Access Riser,36' 700.00 Each • Pond Overflow Spillway 4.70 SY Restrictor/OII Seperetor,12" 785.00 Each Restrictor/Oil Separator,15" 885.00 Eech . Restrictor/Oil Separator,18' 1.035,00 Eech • SUBTOTAL FOR PAGE as4-�41te-1vws4 Page 6 • -- ---, , ---- 1 -----"----- - , • , ___ _ • ' i---• --, , __, • • ' - , ' ..---) , 1 _ _ _ •, _____J ',___ _ ,---- - ----- _ , •,___ _ ---- • , • ..4'. . Sierra Project No. .,...,. URE PUBUC PRIVATE RID FACILITIES AND BOND REDUCTIONS . . •.:,..,:.... -:::.:.,::i." .:!•:',.:',.,..-:::::;;:.:,....•:.'i:.- E.X18TiNG:i.A..V... .4:3TAti:I.,:1?. ::4..i -;•11MITD.y..q69M.4.. 1sys.reiiii.,i:.kgqiiiit'.;:U.;, .;..:w0..,•:•: ,. '":,.,..,"i• ---:— .•,i,.. ........,..... .,;... . .li..::z..... :.i..:?,:.,..i.i.::i..i.!•; • .. .,... ....... .....',... ... ;,.. :.. :.;.:"....,,...:...., ..,:•.:......... .,:::. r.iii•ii:.::, :.!:i...:!:•:1..; 11911.1.:1;)TY:.,..stiTi. tmp6oy6i6eNTi:ligai;,.10:V'5! :1:: -"';•"'•*••.•'-"•••::. ..,..:.,„i„.„..„ :;,.. ,-,44.igii. i 5:' '.'.L:- i.lt.::!,. 1t IiiiiiantIK. .. .:!•.5-'•:•?.:, jijca:sn Z''•:: • ii;iii.s.'!.. • •;.::•.!]•;•'::•::•:,•:•••?';'...:':', :'::.•gii:••::.g.?:.•:....,:::.il••••;;Mkiii:•:::! •:::'••••••••,..:-. ..:::::i:.•:', .••:•K: ;ilia.;•.?.i:41grigi: ••:;:i:!•.1.:•••••:•!•:]••.i••••••: §'?•io',•-•'s54•:••••••:''''':•'-:•;':•••••' ...'.....••• ,..,.....,• •-•,,...i.. ... •?a,•0:• •••:••:.--:::•::•iiiijil.N1• :]..:Ri::14.ft:4••••••:kiek.4.a";;;1".74 ..:::p;isi.g:•::ComPline-:. ••PTI.... - :•i,,::,.,i::•:,:•;:.:.:;.,,? ....„;:.:,:•:.;: ,..:1;.&:0:11j!::s:::!:.:iiii.,,I:t.,i.•:,:: :-',.,,:.;i:.ii.••:.4,::::i:iiii;i:.*.:A:c.:::*-::::.W:1:•,.::: i.>;-i,$•,,,*i'w---''" '• ..........:.,..,,*K:Kii..,fauf4.:,i'i ii•Eli !fg..•ii!.,-.&:!3!-1,.ii: qa.,'I.Ali It:*2::K : Tr:.•",..-pi .;1;.1'itliiintkV.:4e..:;'irlii ..:'. ' •.'•:*C; ;".F:*."J. :":.'s'%."'.: •••".1.,':..::...'"•*:•'•'.f:i':'''::i'.•"•::'''.2.•`••••'"."...::.''"•.:•••':i-;..-:':' '-'1'.'•Ii: k-'•.,1114C:::•"i!':'i'.. ,:?''li' :!.-:'.k .ii:i'a;iiii;P i'iiii4i i.:'.:chiehtitri,-.::,:,Pdat,..„,,Otten . , :'..1:':e:4A.-::'::V.:::':::iIA.::::..":•;:::i:ii-;:fi•inaa: .;•. :'.;::,••••i:g.::::ici*:.:;.:::::•;:.Af.j.::.1•:.:.:i:;::'q::? PrIciRr.i.V.15*.C:.!'.:f.UnIt..iia.i,.., ..:.. •••• -• • ••....••••••••:,..,...:::,..:-...,,,.......-- -•-•• .:.:•::,..,,,.,.....—. DRAINAGE(Con't.) Riprep,placed 28.00 CY 400.00 Eech Tank End Reducer Trash Reck,12 160.00 Eech 185.00 Each Trash Rack,15" 210.00 Eech Trash Rack,18" 240.00 Each • Trash Rack,21" •PARKING LOT SURFACING 8.10 SY . 2"A.C.,2"top course rock&4'select borrow 1.5"top course rock&2.5"base course . 4.70 SY. 4'select borrow 1.75 SY WRITE-IN ITEMS SUBTOTAL(SUM ALL PAGES): — . — 30%CONTINGENCY&MOBILIZATION: _ _ TOTAL: (C) IA) (B) . . Pane 7 . ' FT W...•.1.1 rt, I...,,...-r• — — -- — � -_ Sii act Ni Quantities above were completed by: • Signature: Date: PE Registration Number: Telephone Number:2_0 6 324-s sob Firm Name: /4 / ) -0 ITT— EOLLA( $ Address: Bo EAST PIKE_ sT sEA-r-rLe, wA 9£�Izz. This section to be completed by King County BOND COMPUTATIONS: PERFORMANCE BOND AMOUNTS MAINTENANCE BOND AMOUNT DEFECT BOND AMOUNT Stabilization/Erosion Sediment Control (ESC) (D) Existing Right-of-Way Improvements (E) - • • Future Public Road Improvements (F) (E+F)x 0.25 = Private Improvements R/D Facilities and Conveyance Systems x 0.15 = TOTAL (T) PERFORMANCE BOND AMOUNT RIGHT-OF-WAY &SITE RESTORATION BOND (D+E) (First$7,500 of bond shall be cash.) #1 PERFORMANCE BOND TOTAL AFTER BOND REDUCTIONS (T-A,B OR C) #2 #3 NOTE: The word"bond' is Used to represent Original bond computations Signature of Person Preparing Bond Reduction any financial guarantee acceptable to prepared by: Date: ' King County. #1 Date #2 Date #3 • Date NOTE: Total bond amounts remaining after reduction shall not be less than 30%of the original amount or the sum of the maintenance and defect amounts shown above,whichever Is greeter. F3TWW/cfikl zxia Page 8 j.. !.. Appendix 5 .L '� • - .•.. _ ♦ sae .. KING COUNTY, WASHINGTON, S RFACE WATER DESIGN MANUAL RETENTION/DETENTI N SUMMARY SHEET �,-zsT -S I CD 3 - ZE rrra►-I 4 I 19 Development Date � V �� 9 g Location s Tb , ors/4- ENGINEER DEVELOPER Name Gh lles T,rrrS Name Firm 2CA- I+401*- lays Firm Address el,L E. "Pi`kt Address \cJ A 9 BIZ Z Phone 2-0 7 3 Zq- s oo Phone • Developed Site 4/ 35 acres Number of Lots 2- • Number of Detention Facilities On Site • Detention provided in regional facility El Regional Facility location • No detention required E Acceptable'receiving waters • Downstream Drainage Basins Immediate Major Basin BasinA Sour# Basin B 1,1�-/ BasinC EAsT Basin D TOTAL INDIVIDUAL BASIN A Drainage Basin(s) B C D Onsite Area • 3.5- 2-3/ 0,6/ /, Off,site Area Type of Storage Facility V4 LT Live Storage Volume, cF rr B,"3-53- Predeveloped Runoff Rate, c-t5 2 year O, o I D, 03 0,aV 10 year D, oy o,oy p p?. Postdeveloped Runoff Rate, c-FS 100 year 6• b$ 0,06 0,09 2 year o, 2-6 10 year o,`/`/ Developed Q 100 year o,69 Type of Restriction ORi c Size of Orifice/Restriction Orifice/Restriction No.1 3/8 No.2 7/8// No.3 1 " No.4 No.5 Project Fig$T gc..a2S -E_ENTo“ lu� llI i Job No. 15— OZ3 S, 01 Client '' I I 1 l By G T Date 11 /►? /9 9 �� Task IiN OORPOR ATE Chkd F3 W • Date 11 1 Pi Yy Sheet I of i °D ''r✓° (1 17 AND D 9i`I N E zyz" si. . r... -N-'ro)-1 ., wR 9SoS, tee— N E ?J-1?a ST --r -71+o1'1,45 B 20 TOED 5 ?, (2J CP S CO 30-$ O • (_s r•-• u C L J 0 00 'oo to +As P) r+�r _ , _o a NO i `` 130- g�� cn $ l Is cB 7 c8 r gib . CBIO : 30 - S p' Ci3 cl i \ 1. h N r „ • . C,S. .. C, S. • 1 CowaT2o. -s7?_.0e 00 CB-1-4 I� N/ `� -_ CA-TM ETi'r ti FA-C I L I TYI- J `3 a S„ LE\E,-- SP R-zcZ. _i ' i• aC ,tea _ yy V`y ti. `, 4 r' ..� y'A , .V,� Q ,,s r5 � . `•• 4 ' r •F i `r ,.. ...„i 'f' a •M •+4 f. 'ti p 1. ' i. ,:J r `,e :t' J,. r _'r '1. - _ , f• ,Ir Y 1� `f1'1 'C l',!•,'.,---;: : ..,',:.,,„'.:., ... ,,,,,,,,,,,,_ ',',;:.;-, ':':,:::'',...tl.:,..''._,.-'.......„. ..!.':‘,.,-„,:.."‘',:,,..:,.'.... ...".„-:::'" i t.. 7'. - - - tea;: + - - - '7' y` _ i-1 - ' w r� a: v • : r i' e' ' t •2 r J'- :1• fa •M 4 k, i; T. '1. i i, .S' ptiaddy., I i li After recording return to:. DECLARATION OF COVENANT IN CONSIDERATION OF the approved King County permit for application No. relating to real property legally described as follows: The undersigned as Grantor(s), eclares that the above described property is hereby subject an easement for a natural or constructed conveyance system and hereby dedicates, covenants and agrees as follows: 1. King County shall have the right to ingress and egress over those portions not contained in Exhibit "A' to access such easement area for inspec- tion of and to reasonably monitor th- system for performance, operational flows, or defects in accordance with and [as presented in King County Code Section 9.04.120] . 2. If King County determines that maintenance or repair work is required to be done to the system, the Manager of the Surface Water Management Division of the Department of Public Works shall give notice of the specific maintenance and/or repair required pursuant to K.C.C. 9.04.030. The Manager shall also set a reasonable time in Jhich such work is to be completed by the Grantor(s) , its heirs, successors or assigns. If the above required D8:M116 - 1 - f otherwise provided for by the provisions of this Agreement shall be effective upon personal delivery, or three (3) days after mailing by Certified Mail , return receipt requested. 6. This Agreement constitutes the entire agreement between the parties, and supersedes all prior discussions, negotiations, and all agreements whatso- ever whether oral or written. This covenant is intended to pr.tect the value of desirability of the real property described above, and s all insure to the benefit all the citi- zens of King County, and shall be binding on all heirs, successors and assigns. OWNER OWNER STATE OF WASHINGTON ) COUNTY OF KING ) ss. On this date personally appeared before me: , to me known to be the individual (s) described in and who exlecuted the within and foregoing instru- ment and acknowledged that they signed the same as their free and voluntary act and deed, for the uses and purposes therein stated. Given under my hand and official seal this day of , 199 NOTARY PUBLIC in and for the State of Washington, residing at . My Commission Expires: . D8:MI16 - 3 - • ii•. ... Appendix,7` '. N yi E • J erT1• "'.P• � *� „Yup.. e e l 3' a 3Y 4.'i, F'r , Y7 - - �r• :Y _ - .. •, � is • I I KING COUNTY, -WASHINGTON, SURFACE WATER DESIGN MANUAL • NO. 3 - CLOSED DETENTION SYSTEM (PIPES/TANKS) Maintenance Conditions'When Maintenance Results Expected Component Defect - Is Needed When Maintenance is Performed Storage Area Plugged Air Vents One-half of tle cross section of a vent is Vents free of debris and sediment. / blocked at a y point with debris and sediment. Debris and Accumulate sediment depth exceeds All sediment and debris removed from Sediment 10%of the diameter of the storage area storage area. for 1/2 length of storage vault or any point depth exceeds 15%of diameter. Example: 72-inch storage tank would require cleaning when sediment reaches depth of 7 inches for more than 1/2 length of tank. Joints Between Any crack allowing material to be All joints between tank/pipe sections are Tank/Pipe Section transported it to facility. sealed. Tank/Pipe Bent Any part of t nk/pipe is bent out of shape Tank/pipe repaired or replaced to design. Out of Shape more than 110%of its design shape. Manhole Cover not in Place Cover is missing or only partially in place. Manhole is closed. Any open manhole requires maintenance. Locking Mechanism cannot be opened by one Mechanism opens with proper tools. Mechanism Not maintenance person with proper tools. Working Bolts into frame have less than 1/2 inch of thread (may not apply to self-locking lids). ll` Cover Difficult to One maintenance person cannot remove Cover can be removed and reinstalled by Remove lid after applying 80 pounds of lift. Intent one maintenance person. is to keep coi/er from sealing off access to maintenance. Ladder Rungs King County Safety Office and/or Ladder meets design standards and Unsafe maintenancelperson judges that ladder is allows maintenance persons safe access. unsafe due to missing rungs, • misalignment, rust,or cracks. Catch Basins .See"Catch Basins"Standard No.5 See"Catch Basins"Standard No.5 1 - • A-3 I/90 II KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL NO. 4 - CONTROL STRUCTURE/FLOW RES11 RICTOR Maintenance Conditions When Maintenance Results Expected Component Defect Is Needed When Maintenance is Performed ;I General Trash and Debris Distance between debris build-up and All trash and debris removed. (Includes bottom of orifice plate is less than 1-1/2 Sediment) feet. Structural Damage Structure is not securely attached to Structure securely attached to wall and manhole wall and outlet pipe structure outlet pipe. should support at least 1,000 pounds of up or down pressure. Structure is not in upright position (allow Structure in correct position. up to 10%from plumb). Connections to outlet ipe are not Connections to outlet pipe are watertight; watertight and show s gns of rust. structure repaired or replaced and works as designed. Any holes—other tha designed holes— Structure has no holes other than in the structure, designed holes. I Cleanout Gate Damaged or Cleanout gate Is not atertight or is Gate is watertight and works as designed. Missing missing. Gate cannot be move up and down by Gate moves up and down easily and is one maintenance perspn. watertight. Chain leading to gate s missing or Chain is in place and works as designed. damaged. Gate is rusted over 50 of its surface Gate is repaired or replaced to meet area. design standards. Orifice Plate Damaged or Control device is not working properly Plate is In place and works as designed. Missing due to missing,out of place,or bent orifice plate. Obstructions My trash,debris,sediment,or vegetation Plate is free of all obstructions and works blocking the plate. as designed. Overflow Pipe Obstructions Any trash or debris blocking (or having Pipe is free of all obstructions and works the potential of blocking)the overflow as designed. pipe. Manhole See"Closed Detention Systems"Standard See"Closed Detention Systems"Standard No.3. No.3. Catch Basin See"Catch Basins"Standard No.5. See"Catch Basins"Standard No.5. A_4 1/90 , KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL NO. 5 - CATCH BASINS Maintenance Conditions When Maintenance Results Expected Component Defect is Needed When Maintenance is Performed 'I General Trash &Debris Trash or debris of more than 1/2 cubic No trash or debris located immediately in (Includes foot which is located immediately in front front of catch basin opening. Sediment) of the catch basin opening or is blocking capacity of biasin by more than 10%. Trash or debris (in the basin)that No trash or debris In the catch basin. exceeds 1/3 the depth from the bottom of basin to irvert of the lowest pipe into or out of the basin. Trash or debris in any inlet or outlet pipe Inlet and outlet pipes free of trash or blocking more than 1/3 of its height. debris. Dead animals or vegetation that could No dead animals or vegetation present generate odors that would cause within the catch basin. complaints or dangerous gases (e.g., methane). Deposits of garbage exceeding 1 cubic No condition present which would attract foot in volunie. or support the breeding of insects or ,, rodents. Structural Damage Corner of frame extends more than 3/4 Frame is even with curb. to Frame and/or inch past curb face into the street (if Top Slab applicable). ✓ Top slab has holes larger than 2 square Top slab is free of holes and cracks. inches or cracks wider than 1/4 inch 1, (intent is to make sure all material is running into}he basin). Frame not sitting flush on top slab, i.e., Frame is sitting flush on top slab. l separation o{more than 3/4 inch of the frame from the top slab. Cracks in Basin Cracks wider than 1/2 inch and longer Basin replaced or repaired to design Walls/Bottom than 3 feet, ny evidence of soil particles standards. ,\ entering catc basin through cracks,or maintenance person judges that structure is unsound. Cracks wider than 1/2 inch and longer No cracks more than 1/4 inch wide at the than 1 foot a the joint of any inlet/outlet joint of inlet/outlet pipe. pipe or any evidence of soil particles entering catch basin through cracks. Settlement/ Basin has settled more than 1 inch or has Basin replaced or repaired to design Misalignment rotated more than 2 inches out of standards. alignment. Fire Hazard Presence of chemicals such as natural No flammable chemicals present. gas,oil, and gasoline. Vegetation Vegetation growing across and blocking No vegetation blocking opening to basin. more than 10%of the basin opening. i Vegetation wowing in inlet/outlet pipe No vegetation or root growth present. q joints that is more than six inches tall and less than six inches apart. ,, Pollution Nonflammable chemicals of more than No pollution present other than surface 1/2 cubic foot per three feet of basin film. length. A-5 1/90 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL NO. 5 - CATCH BASINS (Continued) Maintenance Conditions When Maintenance Results Expected Component Defect Is Needed When Maintenance Is Performed Catch Basin Cover Cover Not in Place Cover is missing or only partially in place. Catch basin cover is closed. Any open catch basin requires maintenance. Locking Mechanism cannot be opened by one Mechanism opens with proper tools. Mechanism Not maintenance person with proper tools. Working Bolts into frame have less than 1/2 inch ti. of thread. Cover Difficult to One maintenance person cannot remove Cover can be removed by one Remove lid after applying 80 Its.of lift; intent is maintenance person. keep cover from sealing off access to maintenance. Ladder Ladder Rungs Ladder is unsafe due to missing rungs, Ladder meets design standards and Unsafe misalignment,rust,cracks,or sharp allows maintenance person safe access. edges. Metal Grates Grate with opening wider than 7/8 inch. Grate openings meet design standards. (if applicable) Trash and Debris Trash and debris that's blocking more Grate free of trash and debris. than 20%of grate surface. Damaged or Grate missing or brok=n member(s)of Grate is in place and meets design Missing the grate. standards. 1 A-6 1/90 � a KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL NO. 10 - CONVEYANCE SYSTEMS (Pipgs & Ditches) Maintenance Conditions When Maintenance Results Expected Component Defect Is Needed When Maintenance is Performed Pipes Sediment&Debris Accumulated sediment that exceeds 20% Pipe cleaned of all sediment and debris. of the diameter of the pipe. Vegetation Vegetation that reduces free movement of All vegetation removed so water flows water through pipes. freely through pipes. Damaged Protective coating is damaged; rust is Pipe repaired or replaced. causing more'than 50%deterioration to any part of pi e. Any dent that decreases the cross section Pipe repaired or replaced. area of pipe by more than 20%. Open Ditches Trash&Debris Trash and debris exceeds 1 cubic foot Trash and debris cleared from ditches. per 1,000 square feet of ditch and slopes. Sediment Accumulated sediment that exceeds 20% Ditch cleaned/flushed of all sediment and of the design depth. debris so that it matches design. Vegetation Vegetation that reduces free movement of Water flows freely through ditches. water through'ditches. Erosion Damage to See"Ponds"Standard No. 1 See"Ponds"Standard No. 1 Slopes Rock Lining Out of Maintenance person can see native soil Replace rocks to design standard. Place or Missing (If beneath the rock lining. Applicable) Catch Basins See"Catch Basins"Standard No.5 See"Catch Basins"Standard No.5 Debris Barriers See"Debris Barriers"Standard No.6 See"Debris Barriers"Standard No.6 (e.g.,Trash Rack) 1 A-11 1/90 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL NO. 11 - GROUNDS (Landscaping) Maintenance Conditions When Main enance Results Expected Component Defect is Needed When Maintenance Is Performed General Weeds Weeds growing in more than 20%of the Weeds present in less than 5%of the (Nonpoisonous) landscaped area (trees and shrubs only). landscaped area. Safety Hazard Any presence of poison Ivy or other No poisonous vegetation present in a poisonous vegetation. landscaped area. Trash or Utter Paper,can,bottles,totaling more than 1 Area clear of litter. cubic foot within a landscaped area(trees and shrubs only)of 1,000 square feet. Trees and Shrubs Damage Umbs or parts of trees or shrubs that are Trees and shrubs with less than 5%of the split or broken which affect more than total foliage with split or broken limbs. 25%of the total foliage of the tree or shrub. Trees or shrubs that have been blown Tree or shrub in place free of injury. down or knocked over. Trees or shrubs which are not adequately Tree or shrub in place and adequately supported or are leaning over,causing supported; remove any dead or diseased exposure of the roots. trees. • A-12 1/90 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL NO. 12 - ACCESS ROADS/EASEMENT Maintenance Conditions en Maintenance Results Expected Component Defect is Needed When Maintenance Is Performed General Trash and Debris Trash and d Ibris exceeds 1 cubic foot Trash and debris cleared from site. per 1,000 square feet,i.e.,trash and debris would fill up one standard size garbage can. Blocked Roadway Debris which could damage vehicle tires Roadway free of debris which could (glass or metal). damage tires. Any obstructions which reduce clearance Roadway overhead clear to 14 feet high. above road surface to less than 14 feet. Any obstructions restricting the access to Obstruction removed to allow at least a a 10-to 12-foot width for a distance of 12-foot access. more than 12 feet or any point restricting access to less than a 10-foot width. Road Surface Settlement, When any surface defect exceeds 6 Road surface uniformly smooth with no Potholes, Mush inches in depth and 6 square feet in area. evidence of settlement,potholes, mush Spots,Ruts In general,ary surface defect which spots,or ruts. hinders or pr vents maintenance access. Vegetation in Road Weeds growing in the road surface that Road surface free of weeds taller than 2 Surface are more than 6 inches tall and less than inches. 6 inches apart within a 400-square-foot area. Shoulders and Erosion Damage Erosion within 1 foot of the roadway more Shoulder free of erosion and matching Ditches than 8 inches wide and 6 inches deep. the surrounding road. Weeds and Brush Weeds and brush exceed 18 inches In Weeds and brush cut to 2 inches In height or hinder maintenance access, height or cleared in such a way as to allow maintenance access. A-13 1/90 I � � I I^77 i I � g I I - - -D THE TRANSPO GROUP f I � TRA FIC IMPACT ANALYSIS for Shorewood Subdivision; - - ®�/ELOP.(V�EIVT P C11Y OF RENTO j�J1N� JAW 0 2000 RECEIVED ' I Prepared for: RCA/Huitt-Zollars -?• and', Investment Properties', I I r - January 5, 2000 I � I � I I � ' I I I I I � I I � I � I ' I I I I I � + - - - - - I I • TRAFFIC 1M ACT ANALYSIS for SHOREWOO SUBDIVISION Renton, WA Prepared for: RCA/ uitt-Zollars and Investment Properties Janu.ty 5, 2000 Pre tared by: The Tran po Group, Inc. 11730 118th+nue NE Suite 600 Kirkland, WA 98034-7120 (425) 821-3665 FAX: (425) 825-8434 TABLE OF CONTENTS Page INTRODUCTION 1 Project Description 1 Study Scope 1 EXISTING AND FUTURE WITHOUT-PROJECT CONDITIONS 4 Street System 4 Traffic Volumes 4 Traffic Operations 6 PROJECT IMPACTS 7 Project Trip Generation 7 Project Trip Distribution and Assignment 7 Traffic Operations 10 SUMMARY AND CONCLUSIONS 11 Summary 11 Mitigation 11 Conclusions 11 APPENDICES FIGURES 1. Site Vicinity Map 2 2. Site Plan 3 3. Existing Traffic Volumes- PM Peak Hour 5 4. Project-Generated Traffic- PM Peak Hour 8 5. With-Project Traffic Volumes-PM Peak Hour 9 TABLES 1. Without-Project LOS and Delay 6 2. 'Project Trip Generation 7 3. Future With-Project LOS Summary 10 Traffic Impact Analysis for Shorewood Subdivision January 5, 2000 INTRODUCTION This report summarizes the traffic irripact analysis for the proposed Shorewood Subdivision located in Renton, WA. The purpose of this analysis is to identify potential traffic impacts associated with the proposed residential development and to identify measures to mitigate potential impacts, if needed. Project Description The project site is located in the City of Renton, on the south side of NE 24th Street opposite Monterey Avenue NE, as shown in FigureI 1. The proposed development would consist of 28 single-family residential dwelling units. Two single-family residences currently exist on the site and will be replaced by the new development. Therefore, a net addition of 26 single-family residences is considered in this study. Access to the project is proposed via an extension of Monterey Avenue NE south of NE 24th Street. The development site plan is shown in Figure 2. Study Scope The scope of the study was coordinated with transportation staff from Renton Development Services. The following intersections are included in the study area and subsequent traffic analysis: 1. Monterey Ave NE / NE 24th Stree 2. Aberdeen Avenue / NE 24th Street) 3. Aberdeen Avenue NE / NE 27th Street Traffic conditions during the weekday PM peak hour were evaluated at each study intersection to assess project impacts. The 11M peak hour condition represents the time period when surrounding street system traffic is at its highest, and thus cumulative traffic conditions with project traffic would be greatest. 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Shorewood Subdivision • (ID I , • 5• CE 1 I ill ,11 J. 3 11 i rayE 26 27 11 L� I I I , ) I {Ir GARAGE :,/ II� I1 I I I • \ 1,� I I • Jr 1 CHAIN LI}I I I o f 1 1 : I d a-. . / I lil jj OIS ice.--'.- 1 1 HO05 �I L -I- 1 1 \ ' I 11--- I :• -1 :10.:3Rou,A,s.GE.E,4:! I1 -,w_ � , , I 1 I I i!EP. 24 25 I I�• In -I I ,IIII •+ I-- • II\ IL- r L J I L / •I '�' 1 • ✓ r .6 5.5' WOOD a FENCE WALL 5 I, . ,3oa / ao2 I w, ,r �/L _ -- - r- - ---- o O L----, - ------�., i 1 . j1 `i 21 1 •1 I • •• •• ,' , II. t • II r .I - I ' l • '1 II la 8 I : 7 II 6 ; II. 5 I '1 T _---- ----J: . :I Nil -_--� • !: I1 ., I I ' 1 , ITY I 1 I ; I • h I I I I , o j _Vi'• :�r i= i r I _. ! - , _.. -.., * i ,; 11 1 19' l 1 1 1 ; -C7V) ``T - 1 D + I _r r ' • r cn r— i �0. I t m� ;, - ,�., 12 1, N . on;/ l •:I I• rr— `�t� 17 1....I • 2 � 1 13 b It °7 s..1. ` r 15 1 ` I !17 . Figure 2 >..:..,,,:: :.:.: :... Site Plan < . ``` <: Shorewood Subdivision (A)M:199199403.PRICadlgraphic1 Idk 1 212819 9 10:08 Traffic Impact Analysis for Shorewood Subdivision January 5, 2000 EXISTING AND FUTURE WITHOUT—PROJECT CONDITIONS This section describes the existing and future without-project transportation conditions in the vicinity of the site. These include the street system, traffic volumes, and traffic operations. A review of existing conditions provides the basis for estimating future conditions without the proposed project. A comparison of the future without-project scenario to the future with-project scenario then provides the basis for evaluating the project impacts. Street System Adjacent to the site, NE 24th Street is a two-lane roadway with 19 foot-wide travel lanes. A sidewalk exists along the north side of the street. The posted speed limit is 25 miles per hour (mph). Monterey Avenue NE is a residential cul-de-sac that forms a T'-intersection with NE 24th Street. Monterey Avenue is a two-lane roadway with 17 foot-wide travel lanes and sidewalks on both sides. The southbound approach to the NE 24th Street intersection on Monterey Avenue NE is controlled by a stop ign. Aberdeen Avenue NE is located to the east of the project site and provides access to residential neighborhoods. The intersection of Aberdeen Avenue NE and NE 24th Street is stop controlled on all four legs, while the intersec ion of Aberdeen Avenue NE at NE 27th Street is controlled by stop signs on the north and south approaches. North of NE 27th Street, Aberdeen Avenue NE is a cul-de-sac. The posted speed limit is 25 mph. NE 27th Street is a two-lane roadway with sidewalks on both sides. The posted speed limit is 30 mph. This roadway provides access between the site vicinity and I-405 via Kennewick Place NE and NE 30th Street. No future planned improvements in the immediate vicinity of the project site are identified in the City of Renton's six year Transportation Improvement Plan (TIP), 2000 to 2005. Traffic Volumes ExistingPMpeak hour traffic volumes at the drivewayand studyintersections are shown in Figure 3. These existing PM peak hour volumes were obtained from turning movement counts conducted in December 1999 at each of the study intersections. Appendix A contains the turning movement count sheets at each of the study intersections. Since the traffic volumes were collected at the end of 1999, and since no major • developments are planned to be constructed in the vicinity of the project by 2000, the existing traffic volumes provide a reasonable estimate of future traffic volumes at the study area intersections. M:199199403.00IWP199403r1 ©The Transpo Group,Inc.2000 Page 4 0 12J k6 317--► +- 146 68� .�2 33 2 0 NE 27TH ST W a Ix w w Q NE 24TH ST i j I ,T,—;""*"*": • 2� �14 2__J k__5 —� 11 12 9 9 0 0 I o ••••••••••-• Z 38 rr W m • Figure • Existing Traffic Volumes-PM Peak Hour < #.1:W>''E Shorewood Subdivision (B)M:1991994031Cadlgraphic1 Idk 01/0510011:42 Traffic Impact Analysis for Shorewood Subdivision January 5,2000 Traffic Operations Levels,of Service. Weekday PM peak hour level of service (LOS) analyses were _ conducted to assess available capacity at thgj site driveway and at the study intersections. LOS is used to evaluate and quantify operating conditions and traffic congestion at intersections and driveways: Level of service,values range from LOS A, which is indicative of free-flow traffic conditions, to LOS F, which i dicates'extreme congestion and long delays. The intersection levels of service were calculated sing the methodology presented in the 1994 Highway Capacity Manual(Transportation Rsearch Board). The level of service calculation worksheets are included in Appendix B. The without-project PM peak hour levels of service are summarized in Table 1. Table 1. Without-Project LOS and Del y • Intersection Approach LOS Delay* Monterey Ave NE I NE 24th.St Southbound . A 3.7 Eastbound A 0.3 Aberdeen Ave NE/NE 27th St Northbound - B 8.5 Southbound A 4.0 Eastbound A 0.1 Westbound A 0.0 Aberdeen Ave NE/NE 24th'St Northbound ' A 1.4 Southbound A - 1.6 Eastbound A 1.4 Westbound A 1.3 =Average seconds of delay per vehicle. • As shown in the table, the northboun• movement from Aberdeen Avenue NE at NE 27th Street would operate at LOS B in the PM pea hour. All other movements would operate at LOS A during the PM peak hour. • M:199199403.00IWP1994O3r1 ©The Traispo Group,inc.2000 Page 6 Traffic Impact Analysis for Shorewood Subdivision January 5, 2000 PROJECT IMPACTS This section of the report summarizes the proposed development and describes the assumptions and methodology used to develp the project traffic volumes. Analysis of weekday PM peak hour conditions reflects the single time period during a typical week when the cumulative effect of project and non-projct traffic volumes would be greatest. The proposed Shorewood Subdivision would consist of 28 single-family residential dwelling units. Two single-family residences currently exist on the site and will be replaced by the new development. Therefore, a net addition of 26 single-family residences are considered in this study. Access to the project is proposed via an extension of Monterey Avenue NE south of NE 24th Street. Project Trip Generation Trip generation for the proposed project was estimated using average trip generation rates published by the Institute of Transportation Engineers (ITE) in the 6th Edition of Trip Generation(1997) The rates are based on case studies of single-family residential developments compiled by ITE (Land Use #210). Trip generation estimates for the proposed project are summarized in Table 2. The proposed project would generate a total of about 250 net new average daily trips, of which 26 net new trips would occur during the PM peak hour. Table 2. Project Trip Generation In Out • Total Daily Trips 125 125 250 PM Peak Hour Trips 17 9 26 Project Trip Distribution and Assignment Project trips were distributed to the study area roadways based on existing travel patterns in the area. The resulting PM peak hour project trip assignment is shown in Figure 4. Project-generated traffic volumes were added to future without-project traffic volumes to arrive at future with-project volumes, which are shown in Figure 5. M:199199403.00WWP199403r1 ©The Transpo Group,Inc.2000 Page 7 NE 27TH ST ) w w r NE 24TH ST ' 1 111 lolippittos 3 5 6 —) 3 re- 9 6 zj w, of w rr 1 1 IIIPMEIBIPOI Figure 4 Project-Generated Traffic-PM Peak Hour 111111100911111 Shorewood Subdivision • (C)M:1991994031Cad1graphic1 Idk 01/05/00 11:43 N 0 lL • 12J k6 317—I- 146 K } �2 r 34 2 0 NE 27TH ST ZO+ NE 24TH ST J _51L ....................... ....................... ....................... ....................... 2 k._14 3 5 11--► -•--- 1 15 12 4 0 I r- :„,„„.„„;:„:„„„„„„ 9 ¢ 16 ? 5 0 Z 38 W m ............................................. .............................................. Fi gure u e 5 With-Project Traffic Volumes-PM Peal Hour $iligiNEEMICEIR Shorewood Subdivision (D)M:1991994031Cad\graphicl Idk 01105100 11:44 IJ I Traffic Impact Analysis for Shorewood Subdivision • January 5, 2000 Traffic Operations • The PM peak hour levels of service with the proposed project are summarized in Table 3. Without-project levels of service ar also shown for comparison. All level of service worksheets are provided in Appendix B. . Table 3. Future With-Project LOS Summary Without-Project LOS With-Project LOS • Intersection Approach LOS Delay* LOS Delay* Monterey Ave NE/NE 24th St Northboun - - A 2.7 Southboun A 3.7 A 3.8 Eastbound A 0.3 A 0.3 Westbound - - A 0.8 Aberdeen Ave NE/NE 27th St Northbound B 8.5 B 8.6 Southbound A 4.0 A 4.0 Eastbound A 0.1 A 0.1 Westbound A 0.0 A 0.0 Aberdeen Ave NE I NE 24th St Northbound) A 1.4 A 1.4 Southbound A 1.6 A 1.7 Eastbound A 1.4 A 1.5 Westbound A 1.3 A 1.3 *=Average seconds of delay As shown in the table, the northbound movement from Aberdeen Avenue NE at NE 27th Street would continue to operate at LOS B inI the PM peak hour with the project. All other movements would operate at LOS A during the PM peak hour. These operating conditions indicate that there would be adequate capacity at the intersection to accommodate the addition of project-generated traffic. • • M:199199403.001WP199403r1 ©The Transpo Group,Inc.2000 Page 10 Traffic Impact Analysis for Shorewood Subdivision January 5,2000 SUMMARY AND CONCLUSIONS The following three sections provide summary of the traffic analysis, identify mitigation, and conclude the analysis fmdin s. • Summary The proposed Shorewood Subdivisio is expected to generate approximately 250 net new average daily trips, with 26 net new tri s occurring during the PM peak hour (17 in, 9 out). PM peak hour intersection levels of se;�-vice were evaluated for PM peak hour conditions with and without the project. No degradation of LOS is anticipated due to the addition of project traffic at any of the study intersections. All movements.at the study intersections are anticipated to operate at LOS B or better during the PM peak hour. Mitigation The City of Renton has an adopted Impact Fee Program. As mitigation for a project's impact to the area transportation system, the City of Renton requires and impact fee to help fund future capacity improvements within tle City. The impact fee is $75 per net new average weekday daily trip (AWDT). With the anticipated generation of 250 net new average daily trips by the proposed project, the resulting traffic impact fee would be $18,750. Conclusions No adverse, unmitigateable impacts to study intersections or site access driveways were identified as a result of the proposed Shorewood Subdivision. Payment of the traffic impact fee would mitigate project impacts by helping fund transportation improvements in the City. M:199199403.001WP199403r1 ©The Transpo Group,Inc.2000 Page 11 App-radix A Turning Movement Count Sheets i TRA IFICOUNT 4820YELM HWY B-195 - RENTON, WASHINGTON LACEY, WASHINGTON 98503 File Name :TPG35501P MONTEREY AVE 360-491-8116 Site Code :00000001 NE 24TH ST Start Date : 12/21/199! LOC#1 PM TPG3519-1 Page No : 1 Groups P nted-PRIMARY MONTEREY AVE NE 24TH ST MONTEREY AVE NE 24TH ST From North From East From South From West Start Time Right Thru Left Truck APP. Right Thru Left Truck APP. Right Thru Left Truck APP. Right Thru Left Truck App. Ex • lndu. Int Total Total I Total Total Total Total Total Factor 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 04:00 PM 0 0 1 0 1 2 6 0 0 8 0 0 0 0 0 0 2 0 0 2 0 11 11 04:15PM 0 0 0 0 0 0 3 0 0 3 0 0 0 0 0 0 1 0 0 1 0 4 4 04:30 PM 0 0 1 0 1 2 4 0 0 6 0 0 0 0 0 0 4 0 0 4 0 11 11 04:45 PM 0 0 1 0 1 3 4 0 0 7 0 0 0 0 0 0 2 1 0 3 0 11 11 Total 0 0 3 0 3 7 17 0 0 24 0 0 0 0 0 0 9 1 0 10 0 37 37 05:00 PM 0 0 1 ' 0 1 4 3 0 0 7 0 0 0, 0 0 0 5 1 1 6 1 14 15 05:15PM 0 0 1 0 1 3 2 0 0 5 0 0 0 0 0 0 1 0 0 1 0 7 7 05:30 PM 0 0 3 0 3 4 3 0 0 7 0 0 0 0 0 0 3 0 0 3 0 13 13 05:45PM 1 0 0 0 1 0 2 0 0 2 0 0 0 0 0 0 2 1 0 3 0 6 6 Total 1 0 5 0 6 11 10 0 0 21 0 0 0 0 0 0 11• 2 1 13 1 40 41 Grand Total 1 0 8 0 9 18 27 0 0 45 0 0 0 0 0 0 20 3 1 23 1 77 78 Apprch% 11.1 0.0 88.9 40.0 60.0 0.0 0.0 0.0 0.0 0.0 87.0 13.0 Total% 1.3 0.0 10.4 11.7 23.4 35.1 0.0 58.4 0.0 0.0 0.0 0.0 0.0 26.0 3.9 29.9 1.3 98.7 • MONTEREY AVE NE 24TH ST MONTEREY AVE NE 24TH ST From North From East From South From West Start Time' Right 1 Thru I Left I App.Total Right I Thru I Left I AprOotal 1 Right I Thru I Left I App.Total 1 Right I fin,I Left I App.Total 1 Int Total Peak Hour From 04:00 PM to 05:45 PM-Peak 1 of 1 Intersection 04:45 PM Volume 0 0 6 6 14 12 0 26 0 0 0 0 0 11 2 13 45 Percent 0.0 0.0 100.0 53.8 46.2 0.0 0.0 0.0 0.0 0.0 84.6 15.4 05:00 Volume 0 0 1 1 4 3 0 7 0 0 0 0 0 5 1 6 14 Peak Factor 1 0.804 High Int 05:30 PM 04:45 PM 3:45:00 PM 1 05:00 PM Volume 0 0 3 3 3 4 0 7 0 0 0 0 0 5 1 6 Peak Factor 0.500 0.929 0.542 Peak Hour From 04:00 PM to 05:45 PM-Peak l of l By Approach 04:45 PM 04:45 PM 04:00 PM 104:15 PM I Volume 0 0 6 6 14 12 0 26 0 0 0 0 I 0 12 2 14 Percent 0.0 0.0 100.0 53.8 46.2 0.0 - - - I 0.0 85.7 14.3 High Int. 05:30 PM 04:45 PM I- 105:00 PM I Volume 0 0. 3 3 3 4 0 7 - - - - 0 5 1 6 Peak Factor 0.500 k.929 0.583 TRAFFICOUNT 4820YELM .IWY B-195 -_=NTON, WASHINGTON LACEY, WASHIIIGTON 98503 File Name :TPG35502P ABERDEEN AVE 360-491-8116 Site Code :00000002 E 24TH ST Start Date : 12/21/1999 • IC#2 PM TPG3519-1 Page No : 1 Groups Printed-PRIMARY I ABERDEEN AVE NE 24TH ST ABERDEEN AVE NE 24TH ST From North From East From South From West Start Time Right Thru Left Truck gyp' Right Thru Left Truck gyp' Right Thru Left Truck gyp' Right Thru Left Truck gyp' Fsdu. Mu. Int Total Total Total Total Total Total Total Factor 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 I 1.0 1.0 1.0 1.0 1.0 1.0 1.0 04:00 PM 2 10 2 0 14 0 6 0 0 6 2 12 1 0 15 2 1 1 0 4 0 39 39 04:15 PM 0 17 5 0 22 1 2 1 0 4 2 8 4 0 14 0 2 0 0 2 0 42 42 04:30 PM 1 14 3 0 18 1 6 0 0 7 1 11 0 0 12 3 2 0 0 5 0 42 42 04:45 PM 1 17 0 0 18 1 3 0 0 4 4 6 5 0 15 2 1 0 0 3 0 40 40 Total 4 58 10 0 72 3 17 1 0 21 9 37 10 0 56 7 6 1 0 14 0 163 163 05:00 PM 1 15 3 0 19 2 1 1 0 4 1 6 4 0 11 0 4 0 1 4 1 38 39 05:15 PM 2 11 3 0 16 0 4 0 0 4 1 9 2 0 12 1 2 0 0 3 0 35 35 05:30 PM 1 18 2 1a 21 1 3 0 0 4 1 12 1 0 14 2 0 2 0 4 0 43 43 05:45 PM 1 19 5 0 25 2 1 0 0 3 2 11 3 0 16 3 3 0 0 6 0 50 50 Total 5 63 13 0 81 5 9 1 0 15 5 38 10 0 53 6 9 2 1 17 1 166 167 Grand Total 9 121 23 0 153 8 26 2 0 36 14 75 20 0 109 13 15 3 1 31 1 329 330 Apprch% 5.9 79.1 15.0 22.2 72.2 5.6 12.8 68.8 18.3 41.9 48.4 9.7 Total% 2.7 36.8 7.0 46.5 2.4 7.9 0.6 10.9 4.3 22.8 6.1 33.1 4.0 4.6 0.9 9.4 0.3 99.7 ABERDEEN AVE NE 24TH ST ABERDEEN AVE NE 24TH ST From North From East From South From West Start Time Right I Thru I Left I App.Total Right I Thru I Left I App.Total 1 Right I Thru I Left I App.Total-I Right I Thru I Left I App.Total 1 Int.Total k Hour From 04:00 PM to 05:45 PM-Peak 1 of 1 Intersection 05:00 PM I Volume 5 63 13 81 5 9 1 1 5 38 10 53 6 9 2 17 166 Percent 6.2 77.8 16.0 33.3 60.0 6.7 9.4 71.7 18.9 35.3 52.9 11.8 05:45 Volume 1 19 5 , 25 2 1 0 3 2 11 3 16 3 3 0 6 50 Peak Factor 0.830 High Int 05:45 PM 05:00 PM 05:45 PM 05:45 PM Volume 1 19 5 25 2 1 1 4 2 11 3 16 3 3 0 6 Peak Factor 0.810 0.938 1 0.828 0.708 k Hour From 04:00 PM to 05:45 PM-Peak 1 of 1 By Approach 05:00 PM 04:00 PM 104:00 PM 105:00 PM I Volume ' 5 63 13 81 3 17 1 21 1 9 37 10 56 1 6 9 2 17 Percent 6.2 77.8 16.0 14.3 81.0 4.8 16.1 66.1 17.9 35.3 52.9 11.8 High Int 05:45 PM 04:30 PM 104:00 PM 105:45 PM I Volume 1 19 5 25 ' 1 6 0 7 2 12 1 15 1 3 3 0 6 Peak Factor 0.810 0.756 0.933 0.708 • TRAFFICOUNT 4820 YELM I1 WY B-195 ENTON, WASHINGTON LACEY, WASHINGTON 98503 File Name :TPG35502P ABERDEEN AVE 360-491-8116 Site Code :00000002 "15 24TH ST Start Date : 12/21/1999 IC#2 PM TPG3519-1 Page No :2 r ABERDEEN AVE NE 24TH ST ABERDEEN AVE NE 24TH ST From North From East From South From West Start Time Right I Thru I Left I App.Total Right I Thru I Left I App.Total 1 Right I Thru I Left I App.Total 1 Right I Thu I Left I App.Total 1 Int.Total Peak Hour From 04:00 PM to 05:45 PM-Peak 1 of 1 Intersection 05:00 PM I I r I Volume 5 63 13 81 5 9 1 15 5 38 10 53 6 9 2 17 166 Percent 6.2 77.8 16.0 33.3 •60.0 6.7 9.4 71.7 18.9 35.3 52.9 11.8 05:45 Volume 1 19 5 25 2 1 0 3 2 11 3 16 3 3 0 6 50 Peak Factor 0.830 High Int. 05:45 PM 05:00 PM 05:45 PM 05:45 PM Volume 1 19 5 25 2 1 1 4 2 11 3 16 3 3 0 6 Peak Factor 0.810 0.93 0.828 0.708 • ABERDEEN AVE Out In I Total I 451 I 811 1 1261 • II 15I 63I � 1 131 ht Thru Left F_ _Nt_ North t�-- JO so _ I ' — m 2 C.- co = -1 N v— — t—► 12/21/995:00:00 PM 4—s — 5 t N — I— 12/21/99 5:45:00 PM 2 co 01 I Z — co« — 1 O N — g2-4- PRIMARY ri — -I J A Q J . I r • Left Thru Right 101 38] 151 I 701 I I53I I 1231 Out In Total -ABERDEEN AVE TRAFFICOUNT 1 4820 YELM •IWY B-195 ...NTON, WASHINGTON LACEY, WASHINGTON 98503 Ale Name :TPG35503P ABERDEEN AVE 360-491-8116 Site Code :00000003 27TH ST Start Date : 12/21/1999 1C#3 PM TPG3519-1 Page No : 1 Groups Printed-PRIMARY ABERDEEN AVE NE 27TH ST ABERDEEN AVE NE 27TH ST From North From East From South _ From West Start Time Right Thru Left Truck gyp' Right Thru Left Truck gyp' Right Thru Left Truck gyp' Right Thru Left Truck gyp' Exdu. Indu. Int. Total Total Total Total Total Total Total Factor 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 I 1.0 1.0 1.0 1.0 1.0 1.0 1.0 04:00 PM 0 1 1 0 2 1 31 2 0 34 0 0 11 0 11 12 65 1 1 78 1 125 126 04:15 PM 3 1 1 0 5 5 35 0 1 40 0 0 8 0 8 21 74 2 1 97 2 150 152 04:30 PM 0 1 1 0 2 0 32 0 0 32 0 0 12 0 12 18 77 0 2 95 2 141 143 04:45 PM 1 0 0 0 1 0 42 1 1 43 1 0 4 0 5 14 70 4 0 88 1 137 138 Total 4 3 3 0 10 6 140 3 2 149 1 0 35 0 36 65 286 7 4 358 6 553 559 05:OOPM 0 0 0 0 0 2 40 0 0 42 0 0 7 0 7 20 71 2 1 93 1 142 143 05:15 PM 0 0 0 0 0 0 32 1 1 33 1 0 9 0 10 15 84 3 0 102 1 145 146 05:30 PM 3 0 1 1 4 4 32 0 1 36 0 0 13 0 13 19 92 3 2 114 4! 167 171 05:45 PM 0 0 1 0 1 0 39 2 1 41 1 0 13 0 14 21 55 0 1 76 2 132 134 Total 3 0 2 1 5 6 143 3 3 152 .2 0 42 0 44 75 302 8 4 385 8 586 594 Grand Total 7 3 5 1 15 12 283 6 5 301 3 0 77 0 80 140 588 15 8 743 14 1139 1153 Apprch% 46.7 20.0 33.3 4.0 94.0 2.0 3.8 0.0 96.3 18.8 79.1 2.0 Total% 0.6 0.3 0.4 1.3 1.1 24.8 0.5 26.4 0.3 0.0 6.8 7.0 12.3 51.6 1.3 65.2 1.2 98.8 ABERDEEN AVE NE 27TH ST ABERDEEN AVE NE 27TH ST From North From East From South From West Start Time Right I Thru I Left I App.Total Right I Thru I Left I App.Total I Right I Thru I Left I App.Total 1 Right I Thru I Left I App.Total 1 Int.Total I k Hour From 04:00 PM to 05:45 PM-Peak 1 of 1 Intersection 04:45 PM Volume 4 0 1 5 6 146 2 154 2 0 33 35 68 317 12 397 591 Percent 80.0 0.0 20.0 3.9 94.8 1.3 5.7 0.0 94.3 17.1 79,8 3.0 05:30 Volume 3 0 1 4 4 32 0 36 0 0 13 13 19 92 3 114 167 Peak Factor 0.885 High Int 05:30 PM 04:45 PM 05:30 PM 05:30 PM Volume 3 0 1 4 0 42 1 43 0 0 13 13 19 92 3 114 Peak Factor 0.313 0.895 0.673 0.871 k Hour From 04:00 PM to 05:45 PM-Peak l of 1 By Approach 04:00 PM 04:15 PM 105:00 PM 104:45 PM I Volume 4 3 3 10 7 149 1 157 2 0 42 44 68 317 12 397 Percent 40.0 30.0 30.0 4.5 94.9 0.6 4.5 0.0 95.5 17.1 79.8 3.0 High Int 04:15 PM 04:45 PM 105:45 PM 105:30 PM I Volume 3 1 1 5 0 42 1 43 1 0 13 14 19 92 3 114 Peak Factor 0,500 0.913 0.786 0.871 TRAFFICOUNT 1 4820 YELM HWY B-195 ENTON, WASHINGTON LACEY, WASHINGTON 98503 File Name :TPG35503P ABERDEEN AVE 360-491-8116 . Site Code :00000003 "'E 27TH ST Start Date : 12/21/1999 )C#3 PM TPG3519-1 Page No :2 ABERDEEN AVE NE 27TH ST ABERDEEN AVE NE 27TH ST From North From East From South From West Start Time Right I Thru I Left I App.Total Right I Thru 1 Left I App.Total I Right I Thru 1 Left I App.Total 1 Right I Thni I Lett I App.Total l Int Total Peak Hour From 04:00 PM to 05:45 PM-Peak 1 of 1 _ Intersection 04:45 PM I I I Volume 4 0 1 5 6 146 2 154 2 0 33 35 68 317 12 397 591 Percent 80.0 0.0 20.0 3.9 94.8 1.3 5.7 0.0 94.3 17.1 79.8 3.0 05:30 Volume 3 0 1 4 4 32 0 36 0 0 13 13 19 92 3 114 167 Peak Factor 0.885 High Int 05:30 PM 04:45 PM 05:30 PM 1 05:30 PM Volume 3 0 1 4 0 42 1 43 0 0 13 13 19 92 3 114 Peak Factor 0.313 0.895 0.673 0.871 ABERDEEN AVE Out In Total • I 181 I I S1 I 231 11 I 1 I I 41 101 11 Right Thru Left � co I... ?— 0.,2 y J l—N - o 1- — -J North re -. — m = cce r 1 iv, E — M''—► 12/21/994:45:OOPM 4—=Si —Ns �L 12/21/99 5:30:00 PM A = m z cm —fo rn PRIMARY rm — O'- �� i 2'N At — — v a, A Left Thru Right I 331 01 21 1 1 1 701 I 1 351 I 1051 Out In I Total ABERDEEN AVE Appendix B Level of Service Worksheets HCS : Unsignalized Intersections Release 2 . 1f EXPM24MT.HCO Page 1 The TRANSPO Group 11730 - 118th Avenue NE Suite 600 Kirkland, WA 98034-3737 Ph: (425) 621-3665 Streets: (N-S) Monterey Ave NE (E-W) NE 24th Street Major Street Direction EW Length of Time Analyzed 60 (min) Analyst JEAW Date of Analysis 12/29/99 Other Information Existing PM Peak Hour Two-way Stop-controlled Intersection Eastbound West.bound Northbound Southbound L T R L. T R L T R L T R No. Lanes 0 > 1 0 0 1 < 0 0 0 0 0 > 0 < 0 Stop/Yield N N Volumes 2 11 12 14 6 0 PHF . 54 . 54 . 93 . 93 . 5 . 5 Grade 0 0 0, MC' s (%) SU/RV' s (%) CV' s (%) PCE' s 1. 10 1. 10 1 . 10 Adjustment Factors Vehicle ' Critical Follow-up Maneuver Gap (tg) Time (tf) Left Turn Major Road 5 . 00 2 . 10 Right Turn Minor Road 5 . 50 2 . 60 Through Traffic Minor Road 6 . 00 3 .30 Left Turn Minor Road 6 . 50 3 .40 • I HCS : Unsignalized Intersections Release 2 . 1f EXPM24MT.HCO Page 2 Worksheet for TWSC In ersection Step 1: RT from Minor Street NB SB Conflicting Flows : (vph) 20 Potential Capacity: (pcph) 1353 Movement, Capacity: (pcph) 1353 Prob. of' Queue-Free State: 1. 00 Step 2 : LT from Major Street WB EB Conflicting Flows: (vph) 28 Potential Capacity: (pcph) 1662 Movement ! Capacity: (pcph) 1662 Prob. of Queue-Free State: 1. 00 TH Saturation Flow Rate: (pcphpl) 1900 RT Saturation Flow Rate: (pcphpl) Major LT' Shared Lane Prob. of Queue-Free State: 1. 00 Step 4 : LT from Minor Street NB SB Conflicting Flows: (vph) 44 Potential Capacity: (pcph) 998 Major LT; Minor TH Impedance Factor: 1. 00 Adjustedilmpedance Factor: 1. 00 CapacityiAdjustment Factor due to Impeding Movements 1. 00 Movement Capacity: (pcph) , 996 Intersection P-rformaice Summary, Avg. 95% Flow Move Shared Total Queue r Approach Rate Cap Cap Delay Length LOS Delay Movement (pcph) (pcph) (pcph) (_ec/veh) (veh) (sec/veh) SB L 13 996 > 996 3 . 7 0 . 0 A 3 . 7 SB R 0 1353 > EB L 4 1662 2 .2 0 . 0 A 0 . 3 Intersection Delay = 0 . 6 sec/veh HCS: Unsignalized Intersections Release '2 . lf EXPM24AB.HCO Page 1 The TRANSPO Group 11730 - 118th Avenue NE Suite 600 Kirkland; WA 98034-3737 Ph: (425) 621-3665 Streets : (N-S) Aberdeen Ave (E-W) NE 24th Street Analyst JEAW Date of Analysis 12/29/99 Other Information Existing PM Peak Hour All-way Stop-controlled Intersection Eastbound Westbound Northbound Southbound L T R L T R L T R L T R ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- No. Lanes 0 > `1 < 0 0 > 1 < 0 .0 > 1 < 0 0 > 1 < 0 Volumes 2 9 6 1 9 5 10 38 5 13 63 5 PHF . 71 . 71 . 71 . 94 . 94 . 94 . 83 . 83 . 83 . 81 . 81 . 81 Volume Summary and Capacity Analysis WorkSheet EB WB NB SB LT Flow Rate 3 1 12 16 RT Flow Rate 8 5 6 6 Approach; Flow Rate 24 16 64 100 Proportion LT 0 . 13 0 . 06 0 . 19 0 . 16 Proportion RT 0 . 33 0 . 31 0 . 09 0 . 06 Opposing .Approach Flow Rate 16 24 100 64 Conflicting Approaches Flow Rate 164 164 40 40 Proportion, Subject Approach Flow Rate 0 . 12 0 . 08 0 . 31 0 . 49 Proportion, Opposing Approach Flbw Rate 0 . 08 0 . 12 0 .49 0 . 31 Lanes on Subject Approach 1 1 1 1 Lanes on: Opposing Approach 1 1 1 1 LT, Opposing Approach 1 3 16 12 RT, Opposing Approach 5 8 6 6 LT, Conflicting Approaches 28 28 4 4 RT, Conflicting Approaches - 12 12 13 13 Proportion LT, Opposing Approach 0 . 06 0 . 13 0 . 16 0 . 19 Proportion RT, Opposing Approach 0 . 31 0 .33 0 . 06 0 . 09 Proportion LT, Conflicting Approaches 0 . 17 0 . 17 0 . 10 0 . 10 Proportion RT, Conflicting Approaches 0 . 07 0 . 07 0 . 32 0 . 32 Approach Capacity L 287 261 788 840 Intersection Performance Summary Approach Approach V/C Average Movement Flow Rate Capacity Ratio Total Delay LOS EB 24 287 0 . 08 1. 4 A WB I 16 261 0 . 06 1. 3 A NB 64 788 0 . 08 1.4 A SB 100 840 0 . 12 1. 6 A Intersection Delay = 1 . 5 Level of Service (Intersection) = A HCS : Unsignalized Intersections Release 2 . 1f EXPM27AB.HCO Page 1 The TRANSPO Group 11730 - 118th Avenue NE Suite 600 Kirkland, WA 98034-3737 Ph: (425) 621-3665 Streets: (N-S) Aberdeen Ave (E-W) NE 27th Street Major Street Direction EW Length of Time Analyzed 60 (min) Analyst I JEAW Date of Analysis 12/29/99 Other Information Existing PM Peak Hour Two-way Stop-controlled Intersection Eastbound, Westbound Northbound Southbound L T R L T R L T R L T R ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----No. Lanes 0 > 1 < 0 0 > 1 < 0 0 > 1 < 0 0 > 1 < 0 Stop/Yield N N Volumes 12 317 68 2 146 6 33 0 2 1 0 4 PHF . 87 . 87 . 87 . 9 . 9 . 9 . 67 . 67 . 67 .31 .31 . 31 Grade 0 0 0 0 MC' s (%) SU/RV' s (%) CV' s (%) PCE' s 1. 10 1. 10 1. 10 1. 10 1. 10 1 . 10 1. 10 1 . 10 .Adjustment Factors • Vehicle , Critical Follow-up Maneuver Gap (tg) Time (tf) Left Turn Major Road 5 . 00 2 . 10 Right Turn Minor Road 5 . 50 2 . 60 Through Traffic Minor Road 6 . 00 3 . 30 Left Turn Minor Road 6 . 50 3 .40 HCS : Unsignalized Intersections Release 2 . 1f EXPM27AB.HCO Page 2 Worksheet for TWSC Intersection Step 1: RT from Minor Street 1 NB SB Conflicting Flows : (vph) 403 166 Potential Capacity: (pcph) 865 1141 Movement, Capacity: (pcph) 865 1141 Prob. of Queue-Free State: 1. 00 0 . 99 Step 2 : LT from Major Street WB EB Conflicting Flows: (vph) 442 169 Potential Capacity: (pcph) 1056 1424 Movementl Capacity: (pcph) 1056 1424 Prob. of Queue-Free State: 1. 00 0 . 99 TH Saturation Flow Rate: (pcphpl) 1900 1900 RT Saturation Flow Rate: (pcphpl) 1900 1900 Major LT Shared Lane Prob. of Queue-Free State: 1 . 00 0 . 99 Step 3 : TH from Minor Street NB SB Conflicting Flows: (vph) 588 624 Potential Capacity: (pcph) 536 513 Capacity Adjustment Factor due to Impeding Movements 0 . 98 0 . 98 Movement Capacity: (pcph) 528 505 Prob. of Queue-Free State : 1. 00 1. 00 Step 4 : LT from Minor Street NB SB Conflicting Flows : (vph) 591 586 Potential Capacity: (pcph) 482 485 Major LT,'1 Minor TH Impedance Factor: 0 . 98 0 . 98 Adjusted Impedance Factor: 0 . 99 0 . 99 Capacity Adjustment Factor due to Impeding Movements 0 . 98 0 . 98 Movement ,Capacity: (pcph) 470 478 HCS: Unsignalized Intersections Release 2 . 1f EXPM27AB.HCO Page 3 Intersection Performance Summary Avg. 95% Flow Move Shared (Total Queue Approach Rate Cap Cap Delay Length LOS Delay Movement (pcph) (pcph) (pcph) (slec/veh) (veh) (sec/veh) NB L 54 470 > NB T 0 528 > 482 8 . 5 0 .4 B 8 . 5 NB R 3 865 > SB L 3 478 > SB T 0 505 > 917 4 . 0 0 . 0 A 4 . 0 SB R 14 1141 > EB L 15 1424 2 . 6 0 . 0 A 0 . 1 WB L 2 1056 3 .4 s 0 . 0 A 0 . 0 Intersection Delay = 0 . 6 sec/veh I i HCS : Unsignalized Intersections Release 2 . 1f FWPM24MT.HCO Page 1 The TRANSPO Group 11730 - 118th Avenue NE Suite 600 Kirkland, WA 98034-3737 Ph: (425) 621-3665 Streets : l (N-S) Monterey Ave NE (E-W) NE 24th Street Major Street Direction EW Length of Time Analyzed 60 (min) Analyst ' JEAW Date of Analysis 12/29/99 Other Information Future with project PM Peak Hour Two-way Stop-controlled Intersection \, Eastbound Westbound Northbound Southbound I L T R L T R L T R L T R No. Lanes 0 > 1 < 0 0 > 1 < 0 0 > 1 < 0 0 > 1 < 0 Stop/Yield N N Volumes 2 11 2' 15 12 14 0 0 9 6 0 0 PHF . 54 . 54 . 54 . 93 . 93 . 93 . 95 . 95 . 95 . 5 . 5 . 5 Grade 0 0 0 0 MC' s (%) SU/RV' s (%) CV' s (%) PCE' s 1. 10 1. 10 1 . 10 1. 10 1. 10 1. 10 1. 10 1. 10 Adjustment Factors Vehicle Critical Follow-up Maneuver Gap (tg) Time (tf) Left Turn Major Road 5 . 00 2 . 10 Right Turn Minor Road 5 . 50 2 . 60 Through Traffic Minor Road 6 . 00 3 .30 Left Turn Minor Road 6 . 50 3 . 40 HCS: Unsignalized Intersections Release 2 . 1f FWPM24MT.HCO Page 2 T Worksheet for TWSC Intersection Step 1 : IRT from Minor Street NB SB Conflicting Flows: (vph) 22 20 Potential Capacity: (pcph) 1350 1353 Movement Capacity: (pcph) 1350 1353 Prob. oflQueue-Free State: 0 . 99 1. 00 i, Step 2 : LT from Major Street WB EB Conflicting Flows: (vph) 24 28 Potential Capacity: (pcph) 1670 1662 MovementCapacity: (pcph) 1670 1662 Prob. oflQueue-Free State: 0 . 99 1. 00 TH Saturation Flow Rate: (pcphpli) 1900 1900 RT Saturation Flow Rate: (pcphpli) 1900 1900 Major LT Shared Lane Prob.' of Queue-Free State: 0 . 99 1. 00 Step 3 : TH from Minor Street NB . SB • Conflicting Flows : (vph) 70 64 Potential Capacity: (pcph) 1002 1010 Capacity Adjustment Factor due to Impeding Movements 0 . 99 0 . 99 Movement Capacity: (pcph) 989 997 Prob. of Queue-FreeState: 1 . 00 1. 00 Step 4 : LT from Minor Street NB ) SB Conflicting Flows: (vph) 62 67 Potential Capacity: (pcph) 975 968 Major LTj Minor TH Impedance Factor: 0 . 99 0 . 99 Adjusted Impedance Factor: 0 . 99 0 . 99 Capacity Adjustment Factor due to Impeding Movements 0 . 99 0 . 98 Movement Capacity: (pcph) 965 951 HCS: Unsignalized Intersections Release 2 . 1f FWPM24MT.HCO Page 3 Intersection Performance Summary Avg. 950 Flow Move Shared Total Queue Approach Rate Cap Cap Delay Length LOS Delay Movement (pcph) (pcph) (pcph) (sec/veh) (veh) (sec/veh) NB L 0 965 > NB T 0 989 > 1350 2 . 7 0 . 0 A 2 . 7 NB R 10 1350 > SB L 13 951 > SB T 0 997 > 951 3 . 8 0 . 0 A 3 . 8 SB R 0 1353 > EB L 4 1662 2 .2 0 . 0 A 0 . 3 WB L 18 1670 2 .2 0 . 0 A 0 . 8 Intersection Delay = 1. 2 sec/veh I , 1 , i HCS: Unsignalized Intersections Release 2 . 1f FWPM24AB.HCO Page 1 The TRANSPO Group 11730 - 118th Avenue NE Suite 600 Kirkland,: WA 98034-3737 Ph: (425), 621-3665 Streets: (N-S) Aberdeen Ave (E-W) NE 24th Street Analyst JEAW Date of Analysis 12/29/99 Other Information Future with project PM Peak Hour All-way Stop-controlled Intersection .Eastbound Westbound Northbound Southbound L T R L T R L T R L T R ---- ---- ---- ---- ---- ---- ---- ---- --=- ---- ---- ---- No. Lanes 0 > 1 < 0 0 > 1 < 0 0 > 1 < 0 0 > 1 < 0 Volumes 3 14 9 1 15 5 16 38 5 13 63 8 PHF I . 71 . 71 . 71 . 94 . 94 . 94 . 83 . 83 . 83 . 81 . 81 . 81 Volume Summary and Capacity Analysis WorkSheet EB WB NB SB LT Flow Rate 4 1 19 16 RT Flow Rate 13 5 6 10 Approach ,I Rate 37 22 71 104 Proportion LT 0 . 11 0 . 05 0 .27 0 . 15 Proportion RT 0 . 35 0 .23 0 . 08 0 . 10 Opposing Approach Flow Rate 22 37 104 71 Conflicting Approaches Flow Rate 175 175 59 59 Proportion, Subject Approach Flow Rate 0 . 16 0 . 09 0 .30 0 . 44 Proportion, Opposing Approach Flow Rate 0 . 09 0 . 16 0 . 44 0 . 30 Lanes on Subject Approach 1 1 1 1 Lanes on Opposing Approach 1 1 1 1 LT, Opposing Approach j 1 4 16 19 RT, Opposing Approach 5 13 10 6 LT, Conflicting Approaches 35 35 5 5 RT, Conflicting Approaches 16 16 18 18 Proportion LT, Opposing Approach 0 . 05 0 . 11 0 . 15 0 . 27 Proportion RT, Opposing Approach 0 . 23 ' 0 . 35 0 . 10 0 . 08 Proportion LT, Conflicting Approaches 0 . 20 0 . 20 0 . 08 0 . 08 Proportion RT, Conflicting Approaches 0 . 09 0 . 09 0 .31 0 . 31 Approach !Capacity 323 310 754 760 Intersection Performance Summary Approach Approach V/C Average Movement Flow Rate Capacity Ratio Total Delay LOS EB 37 323 0 . 11 1. 5 A WB 22 310 0 . 07 1.3 A NB 71 754 0 . 09 1.4 A SB 104 760 0 . 14 1. 7 A Intersection Delay = 1. 5 Level of Service (Intersection) = A • HCS: Unsignalized Intersections Release 2 . 1f FWPM27AB.HCO Page 1 The TRANSPO Group 11730 - 118th Avenue NE Suite 600 Kirkland l WA 98034-3737 Ph: (425) 621-'3665 Streets: (N-S) Aberdeen Ave • (E-W) NE 27th Street Major Street Direction EW Length of Time Analyzed 60 (min) - Analyst JEAW • Date of Analysis 12/29/99 Other Information. . .. Future With Project PM Peak Hour Two-way Stop-controlled Intersection • - Eastbound Westbound Northbound Southbound - L T R L _Tv R L T R L T R No. Lanes '0 > 1 < 0 0 > 1 < 0' 0 > 1 < 0 0 > 1 < 0 Stop/Yield , N N Volumes • 12 317 71 2 146 6 34 0 2 1 0 4 PHF . 87 . 87 . 87 . 9 . 9 . 9 . 67 ..67 . 67 .31 . 31 . 31 Grade .0 • 0 0 • 0 MC' s (%) SU/RV' s (%) CV' s (%) PCE' s 1. 10 1 . 10 1. 10 1. 10 1. 10 1. 10 1. 10 1. 10 Adjustm-nt Factors Vehicle Critical Follow-up Maneuver Gap (tg) • Time (tf) - Left Turn Major Road ' 5 . 00 2 . 10 Right Turn Minor Road . ' 5 . 50 . . 2 . 60 Through Traffic Minor Road' 6 . 00 - 3 . 30 Left Turn Minor Road 6 . 50 3 . 40 • • • • • It HCS: Unsignalized Intersections Release 2 . 1f FWPM27AB.HCO Page 2 I Worksheet for TWSC Intersection Step 1: RT from Minor Street NB SB Conflicting Flows: (vph) 405 166 Potential Capacity: (pcph) 863 1141 Movement ,Capacity: (pcph) 863 1141 Prob. of ',Queue-Free State: 1. 00 0 . 99 Step 2 : LT from Major Street WB EB Conflicting Flows: (vph) 446 169 Potential Capacity: (pcph) 1051 1424 Movement Capacity: (pcph) 1051 1424 Prob. of ,Queue-Free State : 1 . 00 0 . 99 TH Saturation Flow Rate: (pcphpl) 1900 1900 RT Saturation Flow Rate: (pcphpl) 1900 1900 Major LT :Shared Lane Prob. of Queue-Free State: 1 . 00 0 . 99 Step 3 : TH from Minor Street NB SB Conflicting Flows : (vph) 590 628 Potential Capacity: (pcph) 535 511 Capacity lAdjustment Factor due to Impeding Movements 0 . 98 0 . 98 Movement Capacity: (pcph) 527 503 Prob. of Queue-Free State: 1. 00 1 . 00 Step 4 : LT from Minor Street NB SB Conflicting Flows : (vph) 593 588 Potential Capacity: (pcph) 480 483 Major LT,' Minor TH Impedance Factor: 0 . 98 0 . 98 Adjusted lImpedance Factor: 0 . 99 0 . 99 Capacity !Adjustment Factor due to Impeding Movements 0 . 98 0 . 98 Movement1Capacity: (pcph) 468 476 HCS: Unsignalized Intersections Release 2 . 1f FWPM27AB.HCO Page 3 Intersection Performance Summary Avg. 950 Flow Move Shared Total Queue Approach Rate Cap Cap Delay Length LOS Delay Movement (pcph) (pcph) (pcph) (sec/veh) (veh) (sec/veh) NB L 56 468 > NB T 0 527 > 479 8 . 6 0 .4 B 8 . 6 NB R 3 863 > SB L 3 476 > SB T 0 503 > 915 4 . 0 0 . 0 A 4 . 0 SB R 14 1141 > EB L 1 15 1424 2 . 6 0 . 0 A 0 . 1 WB L 2 1051 3 .4 0 . 0 A 0 . 0 Intersection Delay = 0 . 6 sec/veh ' 1 ( > > ` \ r (- 1 \/ a. , ,c., \, ,( �) \ \ )_ ., ' • ( -. 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I Geotechnical Engineering Services ,, / - , '- l r ) 1 jl t )> 1 I - - 1 ,-Y, ,1 \ , \ / ) ( I "y 1 \• I 1 1-, . l / - - Proposed lnve_stm•ent,Prbperties Subdivision /'; JI , • L, 'I ' '\ ' 1I . i \)( \ 1 I \ . `I \ l f 1 I ;\ I , !' - H « } (_ i ,}` // . /,t I \ ,I/ .zRenitoiii Washington '' G� T gi p p' 1 , ) ss t ) • 1 • \) [J\ / • - - . \,/ I J / .' i 1 1 •I ) , ) •t ,• ( /F ' ' \ /. - Qecember 13,-1999." ,,,• • , •- ,,,,/�1`• I! '', ,-r I \ , -/) 1'i" ,' I • 1\'/ ' ' , _' /, it �, 'ENT F'_f G n I I. `' ' I I `, '.' •' f / , \' y - ( •,-(-IGiIY `F-.KEN,f�Ka , - - ''1 1 ,, , '• I \ v I ) \ - 11_ X , f 1 % 1, S \ r /, 1- ,, ‘ •/ - _.., x ) -_,- - -1 \ _ 17 ' '' , '-f--' .-',44c1,j'' - ' ) TEC 2 -'1'''''''-3 • • , ( \1 i \ / ( • �,q// J y,J 1 / I _ � -, ,( . - 1 --, J111 , , / l_ \ 1 \4r• ` , In \�(7, 1 /�I,. /( .\ 7,. 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' ) \' )) ( / -•, III 1 l�'1 4 II)I // 1 �l l 71 ! , % \ 1 f. ,' • -) ,. _ {\ I . \. 1 -\ i / I \'-'(I v 1• \ ( I . -•. ,! ;-' (.`""1 \• I L - . . , �`'' /, ( I , 'I - - r ,/ 1\ /'•• , ,_ ' __1 H \ \ 1 I 1\(F` , ( - ,/1 • +1 _ r :\ (, 1 ., - , 1 , ' \ `'I("1 \ `' ,' /; <j -.1, \` ') ti - -� , - , - ' I). I/ I , - . / , ) , !' , ' - 1J ' - 11 \ / . .A�. ; C -,G e o E n g'i n e'e?s (1 1 ,\ \ I/ .-i I , ; 'J v) �,) ) ` I',4 \ %-"File,No 2073=006-00/121399r 1� J \ -I, ./'' - - , - A - ",I - / \ ) , i - .1 / \ f" . r, Geo%. Engineers vite December 28, 1999 Consulting Engineers and Geoscientists Offices in Washington, Oregon,and Alaska First Builders Company P.O. Box 6487 Kent,Washington 98064-6487 Attention: Blaine Miller Addendum Letter Proposed Investment Properties Subdivision Renton,Washington File No. 2073-006-00 INTRODUCTION This addendum letter provides supplemental geotechnical conclusions and recommendations for design of roof downspout drainage systems for the above-referenced project. We previously completed a geotechnical study for the project, the results of which are summarized in a report dated December 13, 1999. The design concept assumed for the geotechnical report was that roof downspouts would be tightlined to the storm sewer system for disposal. We understand the project team is now considering infiltration systems for disposal of the roof runoff Unless specifically addressed otherwise in this addendum letter, the conclusions and recommendations presented in the December 13 report are still applicable. ROOF DOWNSPOUT CONTOLS Section 5.1 of the 1998 King County Surface Water Design Manual (Design Manual) provides guidelines for design of roof downspout controls for residential projects. In general, sites considered suitable for infiltration systems are typically underlain by outwash deposits of sand, gravel and/or cobbles, and the depth to the seasonal high ground water table is greater than 3 feet. In our opinion, the Investment Properties Subdivision site is suitable for roof downspout infiltration systems. As described in our December 13 report, recessional outwash deposits consisting of fine to coarse sand with variable silt and gravel content underlie the site. Using the USDA textural classification system identified in the Design Manual, we classify the site soils as medium sand. Ground water seepage or signs of ground water, such as mottling of the soils, were GeoEngineers,Inc. 8410 154th Avenue N.E. zs a�iv c r r•�^cfp Redmond,WA 98052 j Cti ° . Telephone(425)861-6000 • d E(, 3 0 1999 Fax(425)861-6050 BU LDiNG DAM ON www.geoengineers.com Printed on recycled paper.. First Builders Company December 28, 1999 Page.2 • not observed in our test pits, which extended 8 to 12 feet below the ground surface. No steep slope or landslide hazards were identified at the site that would limit the use of roof downspout infiltration systems for the project. 4 4- We trust this addendum letter is satisfactory for your current needs. If you have any questions regarding this addendum letter or if we may be of additional service,please call. • C Respectfully submitted, A , �� GeoEngineers,Inc. A f oa • ''� r'�',�►41,& ,s1, -0.isTwitY {� Daniel J. Campbell,P.E. 4v/0NAL E • Associate E jo/23/ / DJC:wd P:\00\finals\207300600L1.doc Two copies submitted cc: RCA/Huitt-Zollars 814 East Pike Street Seattle,WA 98122 Attn: Carl Stixrude GeoEngineers P File No. 2073-006-00-1130 = Geo • 4400 Engineers • December 13, 1999 Consulting Engineers and Geoscientists Offices in Washington, Oregon,and Alaska First Builders Company P.O.Box 6487 Kent,Washington 98064-6487 Attention: Blaine Miller GeoEngineers is pleased to submit two copies of our report entitled "Geotechnical Engineering Services, Proposed Investment Properties Subdivision, Renton, Washington." Our services were completed in general accordance with our proposal dated November 22, 1999, which was j authorized by you on November 24, 1999. We appreciate the opportunity to work with you on the design phase of this project and look forward to the construction phase. Please contact us if you have any questions regarding the information presented in this report or if you require additional information. Yours very truly, GeoEngineers,I / Daniel J. Campbell,P.E. Associate CRW:DJC:ja p:\00\finals\\207300600R.doc Attachments • Two copies submitted cc: RCA/Huitt-Zollars(7 copies) 814 East Pike Street Seattle,WA 98122 GeoEngineers,Inc. 8410 154th Avenue N.E. • Redmond,WA 98052 Telephone(425)861-6000 Fax(425)861-6050 www.geoengineers.com Printed on recycled paper. . . CONTENTS Page No. INTRODUCTION 1 SCOPE OF WORK 1 SITE CONDITIONS 2 SURFACE CONDITIONS 2 SUBSURFACE EXPLORATION AND LABORATORY TESTING 3 SUBSURFACE CONDITIONS 3 CONCLUSIONS AND DESIGN RECOMMENDATIONS 3 GENERAL 3 SITE PREPARATION AND EARTHWORK 4 Site Preparation 4 Structural Fill Materials 4 Compaction Criteria 5 EXCAVATIONS AND EXCAVATION SUPPORT 5 General 5 Temporary Cut Slopes 6 Temporary Shoring 6 PERMANENT SLOPES 7 SHALLOW FOUNDATION SUPPORT 7 LATERAL RESISTANCE 8 CONCRETE SLABS 8 SUBSURFACE WALLS 8 UTILITY TRENCHES 9 RETAINING WALLS 9 General 9 Mechanically Stabilized Earth Walls 10 Rockery Walls 11 PAVEMENTS 11 General 11 Pavement Section 12 DRAINAGE CONSIDERATIONS 12 LIMITATIONS 12 G e o E n g i n e e r s i File No.2073-006-00/121399 it CONTENTS (CONTINUED) FIGURES Figure No. VICINITY MAP 1 SITE PLAN 2 APPENDICES Page No. APPENDIX A—SUBSURFACE EXPLORATIONS A-1 SUBSURFACE EXPLORATIONS A-1 . LABORATORY TESTING A-1 APPENDIX A FIGURES Figure No. SOIL CLASSIFICATION SYSTEM A-1 LOGS OF TEST PIT A-2 A-7 SIEVE ANALYSIS RESULTS A-8 G e o E n g i n e e r s ii File No.2073-006-00/121399 GEOTECHNICAL ENGINEERING SERVICES PROPOSED INVESTMENT PROPERTIES SUBDIVISION RENTON, WASHINGTON FOR FIRST BUILDERS COMPANY INTRODUCTION This report presents the results of our geotechnical engineering services for the proposed Investment Properties, LLC subdivision. The site is located at the properties of 1911 and 1929 Northeast 24th Street,west of the intersection of Aberdeen Way and Northeast 24th Street in Renton, Washington." The location of the site is shown relative to surrounding features on the Vicinity Map,Figure 1. The existing facilities and proposed layout of the development at the site are shown on the Site Plan,Figure 2. ti Our understanding of the project is based on our conversations with Blaine Miller of First Builders Company. We also reviewed the geologic and topographic maps for the area, as well as preliminary site plans prepared by RCA/Huitt-Zollars for the project. The property is approximately 4.35 acres in size and, with the exception of two single-family residences at the north end of the site, is undeveloped. We understand the proposed subdivision will include 28 building lots for single-family residences. The lots are arranged along either side of a new cul-de-sac that will extend about 750 feet south and southwest into the site from the entrance ti along Northeast 24th Street. Two storm drain detention vaults will be situated below the south end of the cul-de-sac. Cuts up to 9 feet deep and fills up to 8 feet high will be required to establish design grades. As currently envisioned,the site grading will result in excess cut material. Approximately 700 lineal feet of retaining walls will be required around the project boundary and on lot lines to support the grade transitions. These retaining walls will retain both cut and fill slopes and will have maximum heights on the order of 8 feet. Retaining wall specifics are } summarized below. Retaining Wall Geometry Wall Wall Length Retained Maximum Height No. . ... .. . (feet) Soil (feet): :.... 1 140 Fill 5V2 2 155 Cut 8 3 100 Fill 4 4 240 Fill 8 5 65 Cut 5 SCOPE OF WORK The purpose of our services was to explore the subsurface soil and ground water conditions at the project site and, based on the conditions observed, develop geotechnical recommendations and design criteria for the proposed development. Our specific scope includes the following services: 1. Review available information including geologic and topographic maps and other in-house information and reports. G e o E n g i n e e r s 1 File No.2073-006-00/121399 I � 1 i • 2. Coordinate the field activities with the project team and obtain utility clearances. ti 3. Observe the excavation of ten test pits with a rubber-tired backhoe to depths ranging from 8 to 12 feet to evaluate subsurface soil and ground water conditions at the site. 4. Backfill each test pit with the spoils derived from the excavation. The backfill was tamped in place and smoothed. 5. Conduct laboratory testing in general accordance with appropriate American Society for Testing Materials (ASTM) standards to determine certain geotechnical engineering properties of selected samples. Tests included determination of moisture content, grain size distribution, dry density/moisture relationships (compaction testing) and California Bearing Ratio (CBR— for use in pavement design). ' 6. Perform engineering analyses and evaluate data derived from the subsurface exploration and laboratory testing program with respect to the items listed in paragraph 7 below. 7. Prepare a report summarizing the results of our geotechnical engineering study including descriptions of surface and subsurface conditions, a site plan showing test pit locations and other pertinent features, summary test pit logs, and laboratory test results. Geotechnical engineering conclusions and recommendations pertaining to the following items are presented: a. Presence and effect of existing fill and/or other existing compressible soils; b. Earthwork including site preparation, suitability of on-site soils for re-use as fill, fill placement and compaction,wet weather earthwork,and erosion control; c. Temporary and permanent cut and fill slopes; d. Temporary and permanent drainage considerations; e. Pavement design for the new cul-de-sac based on assumed traffic data; f. Retaining wall design including suitable types, allowable bearing capacity, design lateral earth pressures,and construction considerations;and g. Preliminary assessment of foundation support conditions for the proposed new residential structures, including allowable bearing capacity, lateral resistance, minimum footing width and embedment,and estimated settlement. SITE CONDITIONS SURFACE CONDITIONS The site is located at the properties of 1911 and 1929 Northeast 24th Street, west of the intersection of Aberdeen Way and Northeast 24th Street in Renton, Washington. The site is j bounded on the north by Northeast 24th Street. Residential properties are located north across Northeast 24th Street and to the east, south and west of the site. The north-central portion of the site, near the residences and outbuildings, is relatively level between Elevation 300 and 306 feet. From 1 the central area to east and southwest, the ground surface slopes down to about Elevation 286 feet and Elevation 266 feet,respectively. The entire site is roughly 600 feet long (north to south) and 500 feet wide (east to west) at its widest points. Two occupied residences are currently situated on the site. The residences were constructed in the early 1960's. The perimeter of the residences is partially landscaped with grass G e o E n g i n e e r s 2 File No.2073-006-00/121399 } and deciduous and conifer trees. The remainder of the site is vegetated with blackberry brambles, 1 ferns, cottonwoods and holly. Several abandoned vehicles, metal debris, used tires, machinery, broken glass, a concrete pad, and miscellaneous garbage are located in the area adjacent to and south of the residences. Miscellaneous garbage is also located throughout the remaining portion of the site further south of the residences. SUBSURFACE EXPLORATION AND LABORATORY TESTING ( Subsurface soil and ground water conditions at the site were evaluated by excavating ten test pits (TP-1 through TP-10) on December 1, 1999. The test pits extended to maximum depths ranging between 8 and 12 feet below the ground surface. The approximate locations of the test pit explorations are shown on the Site Plan,Figure 2. The test pits were logged by a geologist from our firm who examined and classified the soils observed in the test pits and obtained soil samples. The soil samples were taken to our laboratory for further evaluation and index testing. Detailed descriptions of the field exploration procedures, logs of the test pits, and a discussion of laboratory n--r testing methodology and test results are presented in Appendix A. SUBSURFACE CONDITIONS Our review of the United States Geological Survey Map "Geologic Map of Northwestern King County" indicated that surficial soils at the site are mapped as recessional glacial outwash. _ Recessional outwash typically consists of clean to silty sand and gravel that was deposited by meltwater streams as glacial ice receded during the most recent glaciation. The subsurface conditions observed in our test pits are consistent with the geologic mapping Ji and generally consisted of native recessional outwash or reworked native soils. A dark brown, organic rich topsoil horizon has developed in the upper 6 to 12 inches of the soil. Below the topsoil horizon,the recessional outwash soils generally consist of fine to coarse sand with variable silt and gravel content. The upper 1 foot below the topsoil is slightly weathered,has a higher fines(material passing the U.S. No. 200 sieve) content, and is loose. With depth, the fines content generally decreases and the soils grade to medium dense. Pieces of metal sheeting were observed in TP-4 at depths of 4 and 7 feet below the ground surface, and a 1-inch diameter metal pipe also was observed in TP-4 at a depth of about 7 feet. These observations indicate the soils in TP-4 are actually fill. However, we could not discern an outline of a previous excavation or relict topsoil horizon that might indicate the possible extent of past fill placement. No distinction could be made between the soils observed in TP-4 and the other test pits;thus, it appears the fill is reworked native recessional outwash. Minor to severe caving was observed within the upper weathered zone in each of the test pits, except TP-3. Ground water seepage was not observed in the test pits. CONCLUSIONS AND DESIGN RECOMMENDATIONS i GENERAL We conclude that the proposed residential development and associated improvements are geotechnically feasible, provided the considerations and recommendations presented in this report G e o E n g i n e e r s 3 File No.2073-006-00/121399 are incorporated into the project planning and construction. The primary geotechnical considerations for the project are as follows: 1. The surficial organic soils, building and other debris,trees,fallen logs and vegetation at the site must be stripped and removed from proposed building footprints; pavement, driveway and sidewalk areas;and retaining wall alignments prior to development. 2. Shallow foundations are appropriate for support of the residences, retaining walls, and other improvements on the site. Once the new grade of the site is established, shallow foundations may be constructed directly on the native recessional outwash soils or on new structural fill that is placed over the native soils. 3. Mechanically stabilized earth (MSE) walls are the most suitable wall type for Walls 1 through 5, in our opinion. This assumes that easements can be obtained from the adjacent property owners to facilitate construction of the two cut walls(Walls 2 and 5 on Figure 2). 4. The majority of the on-site soils consist of sand with varying amounts of silt and gravel. These materials will generally be suitable for reuse as structural fill. These geotechnical considerations are discussed in greater detail, and conclusions and recommendations for the geotechnical aspects of the project are presented in the following sections of this report. SITE PREPARATION AND EARTHWORK Site Preparation We recommend all vegetation, debris, and existing foundation elements be cleared from the areas of the proposed improvements and the surficial topsoil and organics be stripped. We anticipate that stripping depths will typically range from about 6 to 12 inches, although the actual depths may be quite variable. Greater depths of stripping should be expected where trees, ornamental landscaping, or heavy brush are present. Stripped materials should be wasted off-site or used in new landscaping areas,if suitable. j After stripping and prior to placing any fill, the exposed subgrades should be thoroughly evaluated by proofrolling with a large, self-propelled vibratory roller. The large roller will help delineate any soft spots and compact the upper portions of the recessional outwash / existing fill. We recommend that all loose or soft areas be compacted to a firm and nonyielding condition and at least 95 percent of the MDD (maximum dry density) as determined in accordance with ASTM D 1557. It may be necessary to moisture condition the soils to achieve the required relative compaction. If the subgrade cannot be adequately compacted, all soft or loose zones should be removed and replaced with structural fill to the depth determined by the geotechnical engineer. The excavated materials should be placed in nonsettlement-sensitive areas (e.g., landscaped areas), or removed from the site. Structural Fill Materials Material used to raise site grades or placed under improvements (houses, slabs, driveways, sidewalks, roads, retaining walls, etc.) is classified as structural fill for the purpose of this report. G e o E n g i n e e r s 4 File No.2073-006-00/121399 I Structural fill should consist of clean, free-draining sand and gravel free from organic matter or other deleterious materials. Such materials should be less than 4 inches in maximum dimension, with less than 7 percent fines as described in Section 9-03.14(1) of the 1998 WSDOT Standard Specifications for Road, Bridge, and Municipal Construction(WSDOT Standard Specifications). A maximum particle size greater than 4 inches may be acceptable, but should be approved by the geotechnical engineer prior to use. In addition, soils with a higher fines content may be suitable if the earthwork is performed during relatively dry weather and the contractor's methods are conducive to proper compaction of the soil. The use of material with a fines content higher than 7 percent should be approved by the geotechnical engineer on a case by case basis. The native recessional outwash deposits that are anticipated to underlie the silt are relatively clean and should generally be suitable for reuse as structural fill. Compaction Criteria Structural fill placed below structures and within 2 feet of road, driveway and sidewalk design grades should be compacted to at least 95 percent of the MDD. Fill placed more than 2 feet below design elevations in roadway, driveway, and sidewalk areas should be compacted to at least 90 percent of the MDD. The procedure to achieve proper density of a compacted fill depends on the size and type of compacting equipment, the number of passes, thickness of the layer being compacted, and certain soil properties. Structural fill soils should be moisture conditioned to within about 3 percent of optimum moisture content,placed in loose, horizontal lifts, and compacted to the minimum relative compaction levels described above. When access restricts the use of heavy equipment, smaller equipment can be used, but the soil must be placed in thin enough lifts to achieve the required compaction. Generally, loosely compacted soils are a result of poor construction technique or improper moisture content. Soils with a high percentage of silt or clay are particularly susceptible to becoming too wet or too dry. The results of moisture content tests on samples obtained from our test pits indicate the native recessional outwash had moisture contents ranging from about 4 to 6 percent at the time of our exploration program,which we estimate is about 3 to 4 percent below the optimum moisture content. Thus, sprinkling may be required to wet the recessional outwash soils to near their optimum moisture content to facilitate compaction. We recommend that the appropriate lift thickness, and the adequacy of compaction be evaluated by a representative of our firm during construction. A sufficient number of in-place density tests should be performed as the fill is being placed to determine if the required compaction is being achieved. EXCAVATIONS AND EXCAVATION SUPPORT General Cuts ranging up to 9 feet deep will be required to establish planned site grades. In addition, after site grades are established, excavations up to about 8 feet deep will be required for installation of the proposed storm water detention vaults. We anticipate soil conditions within the planned mass G e o E n g i n e e r s 5 File No.2073-006-00/121399 excavation to establish site grades will consist of recessional outwash. The recessional outwash deposits consist typically of loose to medium sand with variable amounts of silt and gravel. In our opinion,conventional equipment, such as backhoes and trackhoes,will be suitable for excavation of these soils. Based on the ground water conditions observed in our test pits, excavations to establish site grades should be well above seasonal high ground water levels in the area. The excavation for the storm water detention vaults will extend deeper than our test pits did. While we anticipate similar soil and ground water conditions will be encountered in the excavation, there is some uncertainty. If conditions encountered during construction vary appreciably from those assumed, we should be contacted to provide revised recommendations based on the actual construction conditions. Temporary Cut Slopes Maintenance of safe working conditions, including temporary excavation stability, is the responsibility of the contractor. All temporary cuts in excess of 4 feet in height should be sloped in accordance with Part N of the Washington Administrative Code (WAC) 296-155 or shored. The existing native sands and gravels are generally classified as Type C soil. Excavations in Type C soils should be inclined no steeper than 1'/AH:1 V (horizontal: vertical). No traffic, construction equipment, stockpiles or building supplies be allowed within a distance of at least 5 feet from the top of the cut. The recommended allowable cut slope inclination is applicable for excavations above the water table only. If excavations extend below the water table or if zones of seepage are encountered, flatter side slopes may be required; the slope angle should be monitored and adjusted in the field based on local subsurface conditions and the contractor's methods. With time and the presence of seepage and/or precipitation, the stability of temporary unsupported cut slopes can be significantly reduced. Therefore, all temporary slopes should be protected from erosion with well-anchored plastic sheets and diversion ditches or hay bails which divert run-off from the sloped area. In , contractor should monitor stability temporary cut slopes and adjust the constructionaddition schedulethe and slope inclination accorthedingly. of the Temporary Shoring It may be necessary to use some type of shoring system to support the temporary excavations and maintain the integrity of the surrounding undisturbed soils, minimize disruption of nearby improvements,as well as to protect the personnel working within the excavations. In other areas, it may be possible to construct the proposed structures and utilities with partial depth shoring support. Because of the diversity of available shoring systems and construction techniques,the design of temporary shoring is most appropriately left up to the contractor proposing to complete the installation. However, we recommend that the shoring be designed by an engineer licensed in Washington, and the PE stamped shoring plans and calculations be submitted for review. The G e o E n g i n e e rs 6 File No.2073-006-00/121399 following paragraphs present recommendations for the type of shoring system and design - parameters that we conclude are appropriate for the subsurface conditions at the site. The majority of near surface soils encountered in explorations completed for this project consist of recessional outwash sand and gravel. These soils can be retained using conventional shoring systems such as trench boxes (for trench excavations) or sheet piles or soldier piles (for larger excavations). The design of temporary shoring should allow for lateral pressures exerted by the r adjacent soil, and surcharge loads due to traffic, construction equipment, and temporary stockpiles adjacent to the excavation. Lateral load resistance can be mobilized through the use of braces, anchor blocks,and passive pressures on members that extend below the bottom of the excavation. Temporary shoring can be designed using active soil pressures. We recommend that temporary shoring be designed using a lateral pressure equal to an equivalent fluid density of 35 pounds per cubic foot(pcf), for conditions with horizontal backfill adjacent to the excavation above the water table. If the ground within 5 feet of the excavation rises at an inclination of 1-1/2H:1V,the shoring should be designed using an equivalent fluid density of 65 pcf. For adjacent slopes flatter than 1-1/2H:1V,soil pressures can be interpolated between this range of values. Other conditions should be evaluated on a case by case basis. These lateral soil pressures do not include traffic or construction surcharges, which should be added separately, if appropriate. Shoring should be designed for a traffic influence equal to a uniform lateral pressure of 100 psf acting over a depth of 10 feet from the ground surface. More conservative pressure values should be used if the designer deems them appropriate. If portions of the shoring use passive elements such as anchor or reaction blocks or passive pressure on members that extend below the bottom of the excavation, available soil resistance can be estimated using allowable passive soil pressures assuming an equivalent fluid density of 300 pcf above the water table and 150 pcf below the water table. These passive soil pressures include safety factors of about 1.5. PERMANENT SLOPES We recommend a maximum permanent slope inclination of 2H:1 V in the native soils or in structural fill placed in accordance with our recommendations. Fill should be carefully compacted out to the slope face, or the fill embankment should be overbuilt and cut back. Permanent slopes should be hydroseeded or otherwise protected from erosion. Temporary erosion control measures may be necessary until permanent vegetation is established. SHALLOW FOUNDATION SUPPORT Isolated or continuous spread footings founded on medium dense or denser recessional outwash sand and gravel or properly compacted structural fill placed directly over the recessional outwash are suitable for support of the proposed residences. If it is necessary to place structural fill in footing areas,the fill should extend at least 1 foot beyond each edge of the footing at the subgrade elevation and slope down on each side no steeper than 1H:1V to the native subgrade soils. Individual column footings and continuous wall footings should be at least 18 and 16 inches wide, G e o E n g i n e e r s 7 File No.2073-006-00/121399 respectively. The exterior and interior footings should be founded at least 18 and 12 inches below the lowest adjacent grade,respectively. Footings prepared as recommended may be designed using an allowable soil bearing pressure of 2,000 pounds per square foot (psf). The allowable soil bearing pressures apply to the total of • dead and long-term live loads and may be increased by up to one-third for wind or seismic loads. We estimate the total settlement of footings founded on compacted structural fill or recessional outwash will be 3/4 inch or less,and this settlement will occur essentially as the footings are loaded. We estimate that less than 1/2 inch of differential settlement will occur between comparably loaded footings. Loose fill or disturbed soil not removed from footing excavations prior to pouring concrete may result in greater settlements. We recommend that the condition of all footing excavations be observed by a representative from our firm prior to placement of concrete to confirm that the bearing soils are undisturbed and are consistent with the recommendations contained in this _1 report. LATERAL RESISTANCE The soil resistance available to resist lateral foundation loads is a function of the friction which can develop on the base and the passive resistance which can develop on the face of below-grade elements of the structure as these elements tend to move into the soil. For footings and on-grade floor slabs supported on native soils or on structural fill placed and compacted in accordance with our recommendations, the allowable frictional resistance may be computed using a coefficient of friction of 0.45 applied to vertical dead-load forces. The allowable passive resistance on the face of footings or other embedded foundation elements may be computed using an equivalent fluid density of 300 pcf for structural fill and native recessional outwash soils. The above coefficient of friction and passive equivalent fluid density values include a factor of safety of about 1.5. CONCRETE SLABS Concrete slabs may be supported on-grade providing the subgrade soils are prepared as recommended in the Site Preparation and Earthwork section of this report. We recommend that the slabs be founded on either undisturbed native soils or on structural fill placed over these same native soils. The slabs should be underlain by a capillary break consisting of at least 6 inches of 3/4-inch minus, well graded sand and gravel or crushed rock containing less than 3 percent fines. The capillary break materials should be placed and compacted as described previously. The capillary break will provide uniform support as well as reduce moisture migration through the slab. We do not anticipate the need for a vapor retarder, such as plastic sheeting,below the slabs. SUBSURFACE WALLS The static lateral soil pressures acting on conventional cast-in-place subsurface basement walls will depend on the type, density and configuration of the soil behind the walls and the amount of lateral wall movement that can occur as backfill is placed. For walls that are free to yield at the top G e o E n g i n e e r s 8 File No.2073-006-00/121399 at least one-thousandth of the height of the wall, soil pressures will be less than if movement is limited by such factors as wall stiffness or bracing. Assuming the walls are backfilled and drained as outlined in the following paragraphs, we recommend that yielding walls supporting horizontal backfill be designed using an equivalent fluid density of 35 pcf, while nonyielding walls should be designed using an equivalent fluid density of 50 pcf. • We also recommend that the below grade walls be designed for a seismic lateral earth pressure defined by a rectangular distribution of 6H (units of psf) where H is the height of the wall. The seismic earth pressure presented above acts in addition to the static lateral earth pressure. Backfill should be placed and compacted as recommended for structural fill,with the exception of backfill placed immediately adjacent to the walls. Backfill adjacent to the walls should be compacted to a lesser standard to reduce the potential for development of excess pressure on the walls. We recommend that fill placed within a horizontal distance equal to the height of the walls be compacted to approximately 90 to 92 percent of the MDD. If slabs or pavement will be placed adjacent to the walls,we recommend that the upper 2 feet of fill be compacted to 95 percent of the MDD. Measures should be taken to prevent the buildup of excess lateral soil pressures due to overcompaction of the backfill behind the walls, for example, by using hand-operated mechanical vibrators within 5 feet horizontally of the back of the wall. Positive drainage should be provided behind subsurface walls by placing a zone of clean, free- draining sand and gravel containing less than 5 percent fines by weight (relative to the fraction passing the 3/4-inch sieve) against the wall. The drainage zone should be at least 24 inches wide (measured horizontally)and extend from the base of the wall to within 1 foot of the finished ground surface behind the wall. The top 1 foot of fill should consist of relatively impermeable soil to prevent infiltration of surface water into the wall drainage zone. UTILITY TRENCHES All excavations for utility trenches, including temporary cut slopes and shored excavations, should be in accordance with the recommendations provided in the Excavations and Excavation Support section of this report. Utility pipes should be bedded in sand and/or gravel, such as specified in Sections 9-03.15 and 9-03-16 of the WSDOT Standard Specifications, or other suitable material as specified by the project civil engineer. Additionally, we recommend the pipes be covered with bedding material to at least one foot above the pipes. This bedding material should be lightly tamped into place. Backfill placed above the bedding material should consist of structural fill compacted to the standards described in the Site Preparation and Earthwork section of this report. • RETAINING WALLS General In our opinion, MSE walls are the most suitable wall type for the project. Rockeries would only be suitable for support of cuts into the recessional outwash and fill embankments where the retained height is 4 feet or less (possibly Wall 3). Recommendations for MSE and rockery wall G e o E n g i n e e r s 9 File No.2073-006-00/121399 r , systems are presented in the following sections. Should other wall types be selected, GeoEngineers should be contacted to provide the necessary design input. Mechanically Stabilized Earth Walls MSE retaining walls are often a cost-effective method for support of fill embankments and cut slopes. Design of such a wall system must be based on site-specific conditions and geotechnical parameters. Pre-cast concrete members (panels or blocks) are widely used as facing elements. Principal advantages of MSE walls include relatively low unit cost and tolerance of relatively large differential settlements. In our opinion, MSE wall systems are suitable for each of the proposed ( walls,assuming the necessary easements can be obtained for construction of Walls 2 and 5. -i MSE walls consist of alternating layers of backfill soil and reinforcing material with facing elements. Commonly used reinforcing elements include steel strips and various geosynthetic products such as geogrid and geotextile sheets. The vertical spacing of the reinforcing elements is typically on the order of 1 to 3 feet, depending on the reinforcing material specified and other parameters. If geosynthetic products are selected, long term creep characteristics should be taken into consideration in product selection. We recommend the design parameters summarized in the table below for use in design of MSE walls. The values shown below assume the backfill soil and the retained soil are compacted in accordance with applicable portions of the 1998 WSDOT Standard Specifications. Recommended Design Parameters for MSE Walls Backfill Soil Retained Soil Foundation:Bearing Soil Soil Properties.. Gravel.Baekfill Recessional.0utwash:/ Recessional Outwash/ for.Walls Strnctural.Fill.' Structural Fill Unit Weight(pcf) 125 120 120 Friction Angle(degrees) 38 36 36 Cohesion(psf) 0 0 0 Allowable Bearing Pressure(psf) N/A N/A 2,500 1 WSDOT Standard Specification Section 9-03.12(2) MSE walls should be designed for a minimum factor of safety of 1.5 against sliding and pullout of reinforcing elements and 2.0 against overturning. Global slope stability should have a minimum static factor of safety of 1.5. Many MSE wall systems are available as proprietary wall systems. If proprietary wall systems are used, the wall supplier is responsible to design the wall for adequate internal stability. However,we recommend that proprietary wall system designs be reviewed by a qualified geotechnical engineer to verify that valid assumptions were made relative to material properties and other factors. ( If the MSE walls will be subjected to the influence of surcharge loading (for example, traffic loading) within a horizontal distance equal to the height of the wall, the walls should be designed for the additional horizontal pressure using an appropriate design method. A common practice is to assume a surcharge loading equivalent to 2 feet of additional fill to simulate traffic loading; we GeoEngineers 10 File No.2073-006-00/121399 consider this method appropriate for typical situations. The design lateral pressures from uniform surcharge loads can be modeled as a uniformly distributed lateral load equivalent to 0.30 times the -.' surcharge pressure. Where large surcharge loads such as from heavy trucks or other construction equipment are anticipated in close proximity to the retaining walls, the walls should also be designed to accommodate the additional lateral pressures resulting from these concentrated loads. Rockery Walls Rockery walls are suitable for support and protection of cut slopes in dense glacial deposits up to about 8 feet in height and .in non-glacially consolidated soils and unreinforced, engineered fill slopes up to about 4 feet in height. The primary benefit of a rockery is that it provides protection against surficial erosion of stable material behind the wall; however, a carefully designed and constructed rockery will provide some support for the soils being retained. A rockery is a suitable alternative for Wall 3 (see Figure 2). The base of the rockery should be keyed in at least 1 foot below the lowest adjacent grade, into relatively undisturbed recessional outwash or structural fill compacted to at least 95 percent of the MDD. If soft compressible soils are encountered in the rockery foundation soils, it may be _ necessary to remove and replace the soft soils to the depth determined by the geotechnical engineer in the field. The rockery face should be battered into the slope at an inclination of 1H:4V. Backfill behind the rockery should consist of clean sand and gravel to provide adequate drainage. Rock quality is critical to rockery wall performance. It is probable that the majority of rockery failures occur because of degradation of poor-grade rocks under freeze-thaw and weathering conditions. It is difficult to determine rock quality visually. The contractor and/or rock supplier should verify the rocks used are hard, sound, durable and relatively free from seams and cracks or other defects tending to reduce the resistance to weathering. Rocks should be placed so that the contact seam between two adjacent rocks is not above or below the vertical contact seam for the upper and lower courses (i.e. each rock should overlap at least two different rocks in the course below). Quarry spalls should be placed immediately behind and between the rocks so that all voids are filled. The long axis of each rock should be placed perpendicular to the slope. The rock surfaces between individual courses should be relatively flat, and should in no case slope downward away from the wall. Base rocks should have a minimum width of 2 feet and be 4-man rocks or larger. All rocks used in the uppermost course should be 2-man rocks or larger to minimize the potential for vandalism or accidental dislodging of the top rocks. PAVEMENTS General The following recommendations for design of a new structural pavement section for the cul-de- sac are based on assumed traffic data and subgrade soil strength parameters determined from our field exploration and laboratory testing program. The cul-de-sac will provide access to 28 single-family residences. Assuming three cars per residence and four roundtrips per car, we estimated an average daily traffic count(ADT)of about 700. We assumed that about 1.5 percent of the vehicles were heavy trucks to account for delivery trucks, garbage trucks, school buses and the G e o E n g i n e e rs 11 File No.2073-006-00/121399 occasional moving van. In our opinion these are conservative traffic parameters for a cul-de-sac. Assuming an annual growth rate of 0.0 percent and using the methodology presented in the 1993 American Association of State Highway and Transportation Officials (AASHTO) pavement design guidelines,we estimated the number of ESAL's (18-kip equivalent single axle loads) for a 20 year performance period to be approximately 75,000. A bulk soil sample considered representative of pavement subgrade soils along the project alignment was tested to determine CBR values for use in pavement design. The results obtained are tabulated and the test methodology is described in Appendix A. A design CBR value of 20 was selected for use in new pavement design. This value assumes the subgrade soils can be compacted to a firm and unyielding condition and at least 95 percent of the MDD. A CBR value of 20 corresponds approximately to a resilient subgrade modulus value (Mr) of about 15,000 psi (pounds per square inch). Pavement Section Using the input parameters described above and the methodology presented in the 1993 AASHTO pavement design guidelines, we recommend a minimum pavement section consisting of 3 inches Class B asphalt concrete pavement (ACP) over 4 inches of crushed surfacing base course (CSBC)over properly compacted subgrade soils. The upper 2 inches of the CSBC may be replaced by 5/8-inch minus crushed surfacing top course(CSTC). The ACP materials and placement should be in accordance with Sections 5-04 and 9-03 of the WSDOT Standard Specifications. The CSBC and CSTC materials should be in accordance with Section 9-03.9(3) of the WSDOT Standard Specifications. Please note the recommended minimum pavement section is slightly less than the City of Renton's standard minimum pavement section,which is 4 inches of ACP over 6 inches CSBC. DRAINAGE CONSIDERATIONS We recommend that all surfaces be sloped to drain away from the proposed residences. Pavement surfaces and open space areas should be sloped such that surface water runoff is collected and routed to suitable discharge points. All roof drains should be connected to tightlines that discharge into the storm sewer disposal system. LIMITATIONS We have prepared this report for use by First Builders Company and their design consultants in _ design of a portion of this project. The data and report should be provided to prospective contractors for their bidding or estimating purposes, but our report, conclusions and interpretations should not be construed as a warranty of the subsurface conditions. When the design has been finalized,we recommend that we be retained to review the final design drawings and specifications to see that our recommendations have been interpreted and implemented as intended. Variations in subsurface conditions are possible between the explorations and may also occur with time. A contingency for unanticipated conditions should be included in the budget and schedule. Sufficient monitoring, testing and consultation should be provided by our firm during G e o E n g i n ee rs 12 File No.2073-006-00/121399 construction to confirm that the conditions encountered are consistent with those indicated by the explorations,to provide recommendations for design changes should the conditions revealed during the work differ from those anticipated, and to evaluate whether or not earthwork and foundation _ installation activities comply with the contract plans and specifications. Within the limitations of scope, schedule and budget, our services have been executed in accordance with generally accepted practices in the fields of geotechnical engineering and engineering geology in this area at the time this report was prepared. No warranty or other conditions, express or implied, should be understood. The scope of our work did not include environmental assessments or evaluations regarding the presence or absence of wetlands or hazardous substances in the soil,surface water,or groundwater at this site. The scope of our services does not include services related to construction safety precautions and our recommendations are not intended to direct the contractor's methods,techniques, sequences or procedures,except as specifically described in our report for consideration in design. G e o E n g i n e e rs 13 File No.2073-006-00/121399 • � I We trust this provides the information you require at this time. We appreciate the opportunity to be of service to you on this project. Please contact us if you have any questions concerning our ( � ors or recommendations, you should require uire additional information. q Yours very truly, GeoEngineers,Inc. (VC) + 4 / AtA ' :// Carla R. Woodworth ,Wa fog Project Geologist EXPIRES Daniel J.Campbell,P.E. 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Ilii:ii T •N, ai 125-.■ -_ •_`'•,- / /$4' <( - L- \ P4, 7 1! r"-PIG i ,.� _. �•,g' ;,, (�,�6�';'/,I'...POWer •L ..a 1,�.• . .\ '_ �� 98 ^ NE 1 I1./i•i7 , .\ ,i'• - _ INIM �: •. e fin; J-�— !IF • / '�ilr+"sal. �`,'eR�-qI��-GE r14 ,. � �����i.1�''LA.', --r_ _ , fir 1, ,, �6., „ p as 1oi.:p i up 0 2000 4000 0 0 i SCALE IN FEET N Nr` CONTOUR INTERVAL 5 METERS Reference: USGS 7.5x15' topographic—bathymetric quadrangle map "Bellevue South, Wash." 1983. - �gp. VICINITY MAP Geo��i Engineers eve FIGURE 1 U i I I -- - -286 288 /9, U. • s s s s _ r � . a. ��.s r I ,��I� I I �" 11; I � I I I I . -- I I I I I I 962 I _ I I ..I. . " I L w T I N I M - - m ,� - 1t, - '1 1 iTP 3 i • • III I I I b6 j i ;(� TP-1� L -' i� EXPLANATION: h,1111 _ I I II I I /) IFIMM"- --Th -- - • TALL -1__ I — :- II ` /'i 111��� TP-1 � TEST PIT • M IhjIiI "` " 304 - ..- ' EXISTING GROUND SURFACE CONTOUR 0 -''1_ 11, mod.— - - �I �' �_ \ • PROPOSED GROUND SURFACE CONTOUR '3Av A3dal.Now �>+� - - �, .. ' co 304 ^ M M" i.� h1 M� \ \ 0 I - f- L -� " J . soma WALL AT CUT LOCATION :F:i + S - - - - � o - ., • . • /�I o —�........,:\ ��� \ �O WALL AT FILL LOCATION 3 I a I I ti • J l CM I 1 i ,. — o �� �I- -- ,_ J TP-1 , 0 .. r7 O MI co 1- Tr N I zEaI I II - _- - III �I0/ .r.r,` I � /I I ---\ �- -_ ` ec) WALL 2 • f- e � L w w - I� —1-1 L.y_ J 3 �I I q 1--_- _Ilk m I WxN — cD _CQ � r - - IW _==w I r r TP-5 MineTP-6 ,` J • 1Ir lIn , r — - .' I i � • ,o i {I / /� I ' I n 45 Q • I I I M I • r�. 11 I Z r' p C7 .1:, I 1, r- V/ // � ' • _ it I ,(9 WCI— I = OOI I / / , ) • • I i • - 1 I I in vI I' Waz4 _J 11_ � II a) . O r r I / ItrDSr WINNING. . TP-4 T I• / mil � -__ / / / r' ' U "�� X - TP-2' . , , . \,.`1) 4 1 . a) , 1 L,, . \ A\ \\ • - ..1,5r // ".1." ‘..'N\ '' 4:( ", -) ) • ..' ; . C:r *P'-` -• s--.1; . -s- - G ." _.s_ _ .7 --s. : 4 . b I oI..-\ .--�\ . 00+S.L I I I 010I i ()CZ I . , I i STORM WATER ' ti^n" 7,MIPso DETENTION VAULT - c a • 1 I ---- -- O O� I I \ r N d I I I _ \ CO,' ;LP a I I N N .. T a0 . o O I I I—�e. .i, TP-9 �� - 6LTP-8 • o to I e8Z- .. - — o - O N WALL 4 - -_- _. _- . . __..... ..__. _ ..= _WALL 3..266. - I I74 / - SCALE IN FEET I Note: The locations of all features shown are approximate. SITE PLAN Geo EngineersFT Reference: Drawing entitled 'Topographic Survey, Portion of Tract 262 and 273" 10 dated 09 07 99, FIGURE 2 - o provided by RCA/Huitt-Zollars. - - r - 1( G / 1 .- \--- .. ':( 1 / ` , - ') \. // ' / / l ' . _ .11 I / % / / ' I\ 'li \ / /1_ �. - _) , IQ' • t / I r ' \ _ '` / \ - I % I . \ 1 /� ' { / /• - I /'I, i / \ 1 ) , �' \ I ` r \/ /' 1'I. \ Y 1. I' — , —, \ N -- ( 1 /,' 7 \ \ ! I\ h . • 1( \ ' (- \-(\ i r , r / —, ,.- / , ` ) / / '1/ r \( ( f \' \ I • / A \ I / \" \, I / \ ' Lr / I ' / '\ ) \ \ c / \ - \ , \ \ \ a 1 i •.�, \ 1, I ! 1 I /\ ' 1 1 ' - 1/ 1 1 T '1-,- \' I / \ \ \ { • / \ti , 1/- \., I •I _ ,,1 I / ,1,,1 \ \ . - _ ` I \ 1 / \ ., I 1 \. / \ C. __..1 -P/ 1 1 - / _ \ \ I -\ \ , - ( /\ ' I •) 1\ 1 �� / /' \ • / �./ /I I- f 1 \-- ''1, \, r \ \I \; / ,\ ti ) �, _ - . I \/ 1` I ( I, J I I _ �I \\ \ ,'\11v / • \ r 1\; / , ' (\ / \ \ 1 I ;1 — , ) / �l -- ' )` ) \ .�// , ^ ) / 1 '�1 ' \ , \ \ r !, \' 1 1 I, r / I \, - I IN. l 1,-St ! ! 1 \ '\ ) - 1\ /- I ''\ \ 1'\1\ \ .e l l l 1 — I 1 III \. - , / .\ I,.`, \ , 4 ,\,/ , ) `1' 1L\ 1 //) r. l )/I`/ I • I / I _ ' /I / I _ ) I 1 / () ' 1.1 /1 'I ' 1 )r) .\ '4 1 _' /'' "1\ ,/ — ' \' 1 . • \ "1 I l \ /ii ) \ '/' - I i \, I / \', — \`/ " \ I, , . \ I'' / ) \ ,_ \ I ,•i 1 I r ' / 9 ,.r • `� APPENDIX A SUBSURFACE EXPLORATIONS SUBSURFACE EXPLORATIONS Subsurface soil and ground water conditions were explored for this study by excavating ten test pits to depths ranging from 8 to 12 feet below the ground surface. The test pits were excavated on December 1, 1999 using a rubber-tired backhoe owned and operated by Custom Backhoe of Bellevue, Washington. The locations of the explorations were determined in the field by measuring distances from existing site features. The approximate locations of our explorations are shown on the Site Plan,Figure 2. Excavation of the test pits was continuously monitored by a geologist from our firm who examined and classified the soils encountered, obtained soil samples, observed ground water conditions, and prepared a detailed log of each exploration. Grab samples were obtained from the various soil layers encountered in the test pits. Soils were visually classified in general accordance with the classification system described in Figure A-1. The test pit logs are presented in Figures A-2 through A-7. These logs are based on our interpretation of the field data and indicate the various types of soils encountered. They also indicate the depths at which the soils or their characteristics change, although the changes might actually be gradual. The densities noted on the test pit logs are based on the difficulty of digging, probing with a 1/2-inch-diameter hand probe, and our experience and judgement. The soil and groundwater conditions depicted are only for the specific date and locations reported, and therefore, are not necessarily representative of other locations and times. LABORATORY TESTING All soil samples obtained from the test pits were brought to our laboratory to confirm field classifications. Selected samples were tested to determine their moisture content, gradation characteristics, dry density/moisture relationships (compaction testing), and CBR values. Results of the moisture content tests are presented on the test pit logs. Results of the gradation tests are summarized in Figure A-8. - The moisture/density relationship of a composite road subgrade sample from test pit TP-1 was determined in general accordance with ASTM D 1557 (Modified Proctor). The result of this test is plotted on Figure A-8. CBR values, a semi-empirical index of the strength and deflection characteristics of a soil,were determined for the bulk sample obtained from test pit TP-1; the test was performed in general accordance with ASTM D 1883. The CBR samples were re-molded to approximately 97, 100, and 103 percent of the MDD at about 3 percent dry of the optimum moisture content. The samples were then soaked for a minimum of 24 hours prior to testing. The results are tabulated below. Results of CBR Testing Relative Compaction CBR Value Material Description Sample Location (✓) (/) Fine to Coarse Sand with Gravel TP-1 97 24 Fine to Coarse Sand with Gravel TP-1 100 34 Fine to Coarse Sand with Gravel TP-1 103 44 G e o E n g i n e e r s A-1 File No.2073-006-00-121399 SOIL CLASSIFICATION SYSTEM MAJOR DIVISIONS GROUP GROUP NAME SYMBOL GW WELL-GRADED GRAVEL,FINE TO COARSE GRAVEL GRAVEL CLEAN GRAVEL COARSE GP POORLY-GRADED GRAVEL GRAINED More Than 50% SOILS of Coarse Fraction GM SILTY GRAVEL Retained GRAVEL on No.4 Sieve WITH FINES GC CLAYEY GRAVEL r SW WELL-GRADED SAND,FINE TO COARSE SAND SAND CLEAN SAND More Than 50% SP POORLY-GRADED SAND Retained on More Than 50% No.200 Sieve SM SILTY SAND of Coarse Fraction SAND Passes WITH FINES SC CLAYEY SAND No.4 Sieve ML SILT FINE SILT AND CLAY INORGANIC GRAINED CL CLAY SOILS Liquid Limit ORGANIC OL ORGANIC SILT,ORGANIC CLAY Less Than 50 MH SILT OF HIGH PLASTICITY,ELASTIC SILT More Than 50% SILT AND CLAY INORGANIC Passes CH CLAY OF HIGH PLASTICITY,FAT CLAY No.200 Sieve Liquid Limit ORGANIC OH ORGANIC CLAY,ORGANIC SILT 50 or More HIGHLY ORGANIC SOILS PT PEAT NOTES: SOIL MOSTURE MODIFIERS: 1. Field classification is based on visual examination of soil in Dry- Absence of moisture,dusty,dry to the touch general accordance with ASTM D2488-90. Moist- Damp,but no visible water 2. Soil classification using laboratory tests is in general accordance with ASTM D2487-90. Wet- Visible free water or saturated,usually soil is obtained from below 3. Descriptions of soil density or consistency are based on water table interpretation of blow count data, visual appearance of soils, and/or test data. �� SOIL CLASSIFICATION SYSTEM Geo Engineers FIGURE A-1 f:�soila-l.doc t Project Job Number Location First Builders Company 2073-006-00 Northeast 24th, Renton, WA • LOG OF TEST PIT TP-1 Date Excavated: 12/1/99 Logged by: NOF Equipment: Backhoe Surface Elevation(ft): 305 __ W O 0 o v E v W II. Z a) J o N Other Tests LL a`, a - z a E n co E Material Description0.- ,o g n Z n > n 2 a E '° u i Notes ELI- w CO m 6 : f g LL W o o. o 0 1 OPSOIL 3 inches topsoil horizon / 0 r , - 1 SP-SM - eddish brown fine to coarse sand with silt,occasional - - 1 ' fine to coarse gravel and fine roots(loose,moist) - SP - Th3rown fine to coarse sand with fine to coarse gravel - 2 - (medium dense,moist) - CBR - - SP - Brown medium sand with occasional fine to coarse sand - - 5— / o GW (medium dense,moist) ,— — - ° Brown fine to coarse gravel with fine to coarse sand —5 - 4 -o D - . (medium dense,moist) - 5 Sieve - - °9C )o p� - �D SP - Brown fine to coarse sand(dense,moist) - - 10— 5 — Test pit completed at 10.0 feet on 12/01/99 —10 - - No ground water seepage observed - - _ Minor caving observed at 1.0 feet Bulk sample obtained for CBR testing • - - Notes:The depths of the test pit logs are based on an average of measurements across the test pit and should be considered accurate to 0.5 foot. LOG OF TEST PIT TP-2 Date Excavated: 12/1/99 Logged by: NOF Equipment: Backhoe Surface Elevation(ft): 304 1- W ci o P. E 3 W LL Z i J — o o.� u- ai �, o u) Other Tests u_ _ a E L >- Material Description `" Z And N m C E y a o > 2 W c m u CD ?�' �� ' Notes iz W o ao 0 0 SM Dark brown silty fine to coarse sand with roots(loose, —0 1 SP moist)(topsoil) 2 Sp �rowniine to coarse sand with silt occasional fine to r coarse gravel,trace of silt and fine roots(loose,moist) - 3 ZI .. - rown fine to coarse sand with occasional roots and - - • mottled soil around roots(medium dense,moist) 1 0 5— — — —5 o o - - - - Co n N - - rn • 0, - - - v (0 - , _ _ F Test pit completed at 9.0 feet on 12/01/99 O 10— — No ground water seepage observed — —10 it Moderate caving observed at 1.0 feet - o U W - 0 0 a 0 0 O — --- N Notes:The depths of the test pit logs are based on an average of measurements across the test pit and should be considered accurate to 0.5 foot. co o • o ..... WO LOG OF TEST PIT 0, Geo �O En 'neers W \/ FIGURE A-2 0 i i Project Job Number Location L. 1 • . First Builders Company . 2073-006-00 Northeast 24th, Renton, WA LOG OF TEST PIT TP-3 Date Excavated: 12/1/99 Logged by: NOF ,-- Equipment: Backhoe Surface Elevation(ft): 295 F —I w o o o 5 m d w u. z a, os g E2 w Other Tests LL z a) d o. o CD 4:, Ur, v= wo And z = a N a c T Material Description v� v o m • a c rn 2 w vE Notes a a 0 SM Dark brown silty fine to coarse sand with line roots —o 1 E ! SM (loose,moist)(topsoil) 2 _�ed,brown and orange mottled silty fine to coarse sand 1 - ML with occasional fine to coarse gravel and roots - - -\ (medium dense,moist) - - 3 LLLight brown slightly mottled sandy silt(medium stilt - �� SP -� moist) F - ` g_ 4 z SP _ Orange.brown mottled fine to coarse sand with fine to r _ —5 5 El • coarse gravel and fine roots(medium dense,moist) / 6 Sieve Brown fine to coarse sand(medium dense,moist) - r - - - - I` 10— 6 • SP Light brown fine to medium sand(dense,moist) — —10 � Roots at 11.0 feet - Test pit completed at 12.0 feet on 12/01/99 ' No ground water seepage observed - - I i - No caving observed - Notes:The depths of the test pit logs are based on an average of measurements across the test pit and should be considered accurate to 0.5 foot. LOG OF TEST PIT TP-4 Date Excavated: 12/1/99 Logged by: NOF Equipment: Backhoe Surface Elevation(ft): 304 I w O pD n- " F- w o 0 0 o d E r w Z d w a 0 CD•R 0r. O5 m� Other Tests Z a L u) c Material Description v= 5 2. And m o- T n > 2 a `� `� o Y� d Notes a H O m _ o a p a 0 • • SY-SM Dark brown fine to coarse sand with silt and roots(loose, —0 - 1 . . • SP-SM -� moist)(topsoil) ` - _ • • :• SPReddish brown fine to coarse sand with occasional fine to r - 3 RI : coarse gravel(medium dense,moist)(topsoil) /- - rown fine to coarse sand with occasional fine roots - - (medium dense,moist)(fill) 0 5— — — —5 L-! o O • r j Pieces of sheet metal observed at depths of 4.0 and 7.0 - °' - • - feet - - a _ - 1-inch diameter metal pipe observed at 7.0 feet _, 0 10_ — Test pit completed at 9.5 feet on 12/01/99 — —10 a No ground water seepage observed o - - Moderate caving observed at surface - - --= U IL C ,-- C9 - _ _ _ o m — w- n N Notes:The depths of the test pit logs are based on an average of measurements across the test pit and should be considered accurate to 0.5 foot. CD ....�fat LOG OF TEST PIT N Geo Engineers - W �\e FIGURE A-3 1 Si i Project. Job Number Location First Builders Company • 2073-006-00 Northeast 24th, Renton, WA • LOG OF TEST PIT TP-5 Date Excavated: 12/1/99 Logged by: NOF Equipment: Backhoe Surface Elevation(ft): 302 W o m o is I- al Z s °' J_ 2 U) Other Tests u z a, d a C. y ' a cn Material Description a o CU a And 0_ co3 cn m co 9 Notes ~ 1, ' p u) m 0D § o ' w i 0 a. ❑ SY-SM ' Dark brown fine to coarse sand with silt,roots and —0 it 1 Z SP-SM -\ occasional fine to coarse gravel(loose,moist)(topsoil)/ - - _ 2 . ✓ - Reddish brown fine to coarse sand with silt and ,-- / - SP occasional fine to coarse gravel(medium dense, moist) F _ -. rown fine to coarse sand with occasional fine to coarse r - gravel,occasional roots and trace of silt(medium - - 5— — dense,moist) — —5 �/ SP Light brown fine to medium sand and occasional roots • 4 9�) : - (medium dense,moist) - - - ' Mottling observed in the presence of occasional roots 10— — — —10 - Test pit completed at12.0 feet on 12/01/99 - - - No ground water seepage observed - - Minor caving observed at 2.5 feet Notes:The depths of the test pit logs are based on an average of measurements across the test pit and should be considered accurate to 0.5 foot. LOG OF TEST PIT TP-6 - Date Excavated: 12/1/99 Logged by: NOF - Equipment Backhoe Surface Elevation(ft): 298 . .,w 0) w o 0 N LLw z ` a, J o— g e Other Tests z ar a c. o 0 aU , 13' = r E CO co Material Descri tion � oa "cn � a • t awN o 7° cn w Notes Y it w Et' ❑ 0 r SY-SM Dark brown fine to coarse sand with silt with occasional ""'0 2 • SP-SM - \ fine to coarse gravel and roots(loose,moist)(topsoil) - - • SPReddish brown fine to coarse sand with silt(medium - _ 3El SP den , i ) - rown finesemo to cost arse sand with occasional fine to coarse _ 4 gravel and fine roots(medium dense,moist) rown fine to coarse sand(dense,moist) - - 9 5— — — —5 o - - - n 0 CM CO - . SP Light brown fine to medium sand(dense,moist) - a 5 — 0 10— — — —10 et Test pit completed at 10.5 feet.on 12/01/99 o No ground water seepage observed o - - Severe caving observed at 2.5 feet - - _ _c O - - o -- o r .--. ... N Notes:The depths of the test pit logs are based on an average of measurements across the test pit and should be considered accurate to 0.5 foot. o __ g �gp. LOG'OF TEST PIT co Geo��OEngineers~ \/ FIGURE A-4 W Project Job Number Location First Builders Company 2073-006-00 Northeast 24th, Renton, WA — LOG OF TEST PIT TP-7 I Date Excavated: 12/1/99 Logged by: NOF I - Equipment: Backhoe Surface Elevation(ft): 298 1- cu w d o o' c E 2 W o 0- ° E w W u- z a,1:1- J o °� w Other Tests LL � a Material Description a o n And w w e c7 w 11 Y d Notes ft (Jo �_._ 0 07 = g L. W a. O 0 '"7 SY-S1vl Dark brown tine to coarse sand with silt and roots(loose, r —'0 - t SP-SM - \ most)(topsoil) _ 2 ! Reddish brown fine to coarse sand with silt,occasional 3 SP fine to coarse gravel,and roots(medium dense,moist) - 5 Sieve - - - Brown fine to coarse sand with occasional gravel and - - __ roots(dense,moist) Mottling observed in presence of roots 5- - - --5 _ Test pit completed at 8.0 feet on 12/01/99 - ` - No ground water seepage observed - _ 10- _ Severe caving observed at 1.0 feet - -10 Notes:The depths of the test pit logs are based on an average of measurements across the test pit and should be considered accurate to 0.5 foot. LOG OF TEST PIT TP-8 Date Excavated: 12/1/99 Logged by: NOF Equipment: Backhoe Surface Elevation(ft): 274 F- ....o rn . v F- u �, a o o w Other Tests LL i E a a Material Description d v= e a And z a, CO ( �� a a Notes w CD co 'o Y m a m g o „ 0 o_ 0 SP-SM Dark brown line to coarse sand with silt and roots -- 0 - 1 SP-SM - \ (dense,moist)(topsoil) - 2 Brown fine to medium sand with silt and occasional roots __ (loose to medium dense,moist) - / - Minor mottling in presence of roots - - - ! SP - Brown fine to coarse sand with occasional fine to coarse - - 8 5- 3 gravel(medium dense,moist) _ _5 6 -- o 0 0 N • 0, __ a - Test pit completed at 9.0 feet on 12/01/99 - 0 10- - No ground water seepage observed - -10 Moderate caving observed at approximately 2.0 feet 0 U W a. ei 0 -- o N N Notes:The depths of the test pit logs are based on an average of measurements across the test pit and should be considered accurate to 0.5 foot. o _ I-- , -%p LOG OF TEST PIT N Geo Engineers W FIGURE A-5 Project Job Number Location First Builders Company 2073-006-00. Northeast 24th, Renton, WA LOG OF TEST PIT TP-9 Date Excavated: 12/1/99 Logged by: NOF Equipment: Backhoe Surface Elevation(ft): 279 w o o- o o_ d E t w U. �,z 4- a z o ? N Other Tests LL = a 0 a co T Material Description a o a,a And i a o `� `° uu)`� d� a Notes a , 1 w u) m C7 D L o LEW a 0 0 TOPSOIL — Topsoil l— —0 - t SP Reddish brown fine to coarse sand with occasional fine to - 2 SP coarse gravel,trace of silt and roots(loose to medium - 3 .' _ dense,moist)- Brown fine to coarse sand(medium dense,moist) 5_ — — —5 - SP Light brown fine to medium sand(medium dense,moist) - 4 - - - Test pit completed at 8.0 feet on 12/01/99 - - - No ground water seepage observed - - 10— — Severe caving observed at 1.0 feet — —10 Notes:The depths of the test pit logs are based on an average of measurements across the test pit and should be considered accurate to 0.5 foot. 1 0 0 L_: 0 0 0 ci 0 0 N 20 a a 0 d 0 0 0 W 0 0 a O - O O 0 O N a 0 a. Ge0��gm,' LOG OF TEST PIT N O Engineers LT, FIGURE A-6 0 Project Job Number Location First Builders Company • • 2073-006-00 - Northeast 24th, Renton, WA , 1 LOG OF TEST PIT TP-10 Date Excavated: 12/1/99 Logged by: NOF Equipment: Backhoe Surface Elevation(ft): 294 1 w 0 ..E. d o w z a ;, 0 (-a o -- a) Other Tests z = Cl. tee, _ Material Description v v= a Z s And • a m `� ai`� dt Notes a W Cl) m C9 D n g LL W O D. o 0 SP-SM Dark brown fine to coarse sand with silt,occasional tine —0 - 1 • Sp to coarse gravel and roots(loose,moist)(toopsoil) / - - 2 Reddish brown fine to coarse sand with occasional fine to • - coarse gravel,trace of silt and roots(medium dense, - - 3 .. - moist) - Grades to brown below 2.0 feet 5— •' — — —5 - SP _ Brown fine to coarse sand with occasional roots(medium _ : dense,moist) - 4 El E.. - Mottling observed in presence of roots - 10— — — —10 i __ Test pit completed at 11.0 feet on 12/01/99 • - - No ground water seepage observed - - I_ Moderate caving observed at 2.0 feet Notes:The depths of the test pit logs are based on an average of measurements across the test pit and should be considered accurate to 0.5 foot. • 1 0 0 . 0 0 0 A 0 . 0 N 0 W m a I- 1 O 1 1 0. , O U w o I 'a o m I` 0 0 CO 0 0 - CO I- I��MP LOG OF TEST PIT a.- NØEngineersGeo FIGURE A-7 w 2073-006-00 CRW:MBB:mbb 12/6/99(Sieve.ppt) U.S. STANDARD SIEVE SIZE 3" 1.5" 3/4" 3/8" #4 #10 #20 #40 #60 #100 #200 ^ 100 ♦ • ■ yJ — -- -- -- - a ' - -- - - CD 90 0 -- -- - a - — -—-- -- - — 1 4 80 - - - - - -- - - - °- 40 --- — --- - -- v 30 ----- ___ _ _it\\_ 20 ------ ---- ----- ---- -I --- - - ---- - -- - ---- - .-- . -- ----- Cl' 0 • Hi 1000 100 10 1 0.1 0.01 0.001 m GRAIN SIZE IN MILLIMETERS m D Z G) > C -<r i to m > c GRAVEL SAND 00 Ji COBBLES SILT OR CLAY m COARSE FINE COARSE MEDIUM FINE C r —A SYMBOL BORING DEPTH(ft) SOIL CLASSIFICATION NUMBER TP-1 Bulk Brown fine to coarse sand with fine gravel (SP) ❑ TP-3 5-5.5 Brown fine to coarse sand (SP) 0 TP-7 2-2.5 Brown medium to coarse sand (SP)