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HomeMy WebLinkAboutWWP272109 (12)200 Mill Avenue South - Renton, Washington 98055 THIS PAPER CONTAINS 50% RECYCLED MATERIAL, 10% POST CONSUMER i "R Earl Clymer, Mayor April 29, 1993 Robert Bergstrom. Hammond, Collier; Wade -Livingstone 4010 Stoneway North Seattle, WA 98103 SUBJECT: -CITY .OF RENTON Planning/Building/Public Works Department Lynn Guttmann, Administrator HIGHGATE LIFT STATION ELIMINATION PROJECT SEPA. DOCUMENTATION, AND UTILITY AS-BUILTS. Dbdrr Bob:::. Enclosed please find the following: . • SEPA, checklist computer disk Utility - As-built.drawings near the -project area and side sewer cards . " Wetlands Ordinance, Wetlands Map and Wetlands Map Reference Chart I have been informed :by Mary Lynn Myer: of the City's Planning..S.ection that the stream and pond,. which'! are . adjacent to, -or in the. existing . utility easement, has been designated' as. a ,Category 1 Wetlands.. ' We;.will need to. have this. area delineated by a wetlands .-biologist. If this is confirmed as a. Category 1 Wetland, then the mitigation measures and their costs. will probably dictate that we use an alternate alignment. - . If an: alternative route is necessary, it will probably' be, under, North 20thstreet to the intersection at Jones Avenue North. We will .need. to decide which way to route the sewer on Jones Avenue North, north or south, based on the existing. systems in that street. We will need to discuss this situation .further when .the .-base. maps are complete. Please contact me at (206) 277-6179 to arrange a time that is- convenient for you. Sincerely, John Hobson, Project Manager Wastewater Utility C:DOCS:93-433:JDH:ps CC: David Christensen Enclosures 200 Mill Avenue South - Renton, Washington 98055 THIS PAPER CONTAINS 50% RECYCLED MATERIAL, 10% POST CONSUMER Short Plat (SHPL li ) R-E-QUEST FOR PROJECT li Prelim. Plat (PPII CAGhl I To: Technical SCrVICCS Datc . J � ,3 WO11 GrccnN From: iPlan Review/ roJect Manager J�r,M l-fp13� Project Name L4,� (70 characters ma Description) of Project: ��P�/i ����,� G,r �� �i6N�✓�� , �,y ��� L ' Circle Size of Waterline: 8" to" 12" Circle One: Nev., or Extension Circle Size of Sewerline: � l0" 12" Circle One: New or Extension Circle Size of Stormline: 12" 15" 18" 24" Circle One: New or Extension Address or Street Name(s) Dvlpr/Contractor/Owner/Cnslt (70 characters max) ! e�6 l!`/•�✓/ y F �� `. El? C� 4�l/tOr —: Lidi.vG, h>n Check each discipline involved in Project Ltr Drwg H of sheets per discipline ✓ ✓ Cl Trans -Storm (Roadway/Drainage) (offsite rmprovementsXinclude basin name) (include TESC sheets) I ❑ Transportation (Signalization, Channclization. Ughting) Wastewater ` A J Y �� �� ., (' �� ✓ _�wrt�C T� ��� ✓ � (Sanitary Sewer Main) (include basin name) ❑ Water (Mains, Valves, Hydrants) (include composite & Horizontal Cut Sheets) TS Use Only Approved by TSM Date: rorrnc/misd92-090.DOC /CD/bh UTILITIES Nl F�ECD F 4.0 1-D -- EASEMENT THIS INSTRUMENT, made this 22 day of June 19 81 ; by and between CHARLES A. POHL and WINIFRED K. POHL CD and CD Cr and Cti `D and -O CO hereinafter called "Grantor(s)", and the CITY OF RENTON, a Municipal Corporation of King County, Washington, hereinafter called "Grantee'. WITNESSETH: That said Grantor (s), for and in consideration of the sum of $1.00 One Dollar and No/100s------.--- paid by Grantee, and other valuable consideration, do by these presents, grant, bargain, sell, convey, and warrant unto the said Grantee, its successors and assigns, an easement for public utilities (including water and sewer) with necessary appurtenances over, through, across and upon the following described property in King County, Washington, more particularly described as follows: The north 15, .feet of Tract 293 and the west 15 feet of Tract 284 of'C.D. Hillman's Lake Washington Garden of Eden, Division No. 4, according to the plat thereof as recorded in Volume 11 of Plats, page 82, records of King County, Washington; EXCEPT thereof the south 134 feet of said west 15 feet of said Tract 284. FILED FOR RECORD AT REQUEST OF OFFICE OF THE CITY CLERK RENTON MUNICIPAL BLDG. 200 MILL AVE. SO. RENTON, WA 98055 UEbI-1 0 RECORM9 THIS r, �. jug 29 ' 135 THE Dt �1 n i 1 11`Sr n� a1{+"dui` f{ ',f 1 �y,�L}„r��'� 4p ,� y P^° i+ rl i� e'�r�j��C'Q � iP+J}�jt.�l� �tri 'Ir�'tClTuj�F°d>yi �4��i��ffg l�'��t�h���'tt h tr cas a F 1 tr +.� 111aal,tf ,: iu � t 4 a<J1Jr tf y, 1 t f(�Y yi r t i hii jia�j �' !{Yf{ 411 y 1 1,7 ' Said heretofore menti onedi grantee, i is successors or assigns, shall have the right, without prior notice or proceeding at law, at such times as may be necessary to enter upon sai d above described property for the purpose of constructing, maintain.ing, repairing, altering or reconstructing said r` utility, or making any connections therewith, without incurring any legal obligations or liability therefore, provided, that such construction, main- 9 Y O tai ni ng, repairing, altering or reconstruction of such utility shall be accomplished in such a manner that the private improvements existing in the right :(2" right(s)-of-way shall not be disturbed . or damaged, or in the event they are N disturbed or damaged, they will be replaced in as good a condition as they were -t: o immediately before the property was entered upon by the Grantee. co The Grantor shall fully use and enjoy the aforedescribed premises, including the right to retain the right to use the surface of said right-of-way if such use does not interfere with installation and maintenance of the utility line. However, the grantor shall not erect buildings or structures over, under or across the right-of-way during the existence of such utility. This easement, shall be a covenant running with the land and shall be bind- ing on the Grantor, his successors, heirs and assigns. Grantors covenant that they are the lawful owners of the above properties and that they have a good and lawful right to execute this agreement. and lNj1"�Q �Of'IL and and and STATE OF WASHINGTON ) SS COUNTY OF KING ) I, the undersigned, notary public in and for the State of Washington, hereby certify that on this Lay or 19' a I personally appeared before me and (24 A. and u���� 4'r�.( and ; and to me known to be individual(s) descr e in and who executed the foregoing nstrument, and acknowledged that signed and sealed the same as q,free and voluntary .act and deed forthe uses and purposes therein mentioned. Notary u is in an or tate oT_ Washington, residing at UE#I-2a � m AN6 F!! j0' 7 P. O. 6. 141 z N. /"/.P. 0 &Iec 42rrfv TAX ar NOZ �� h'86°09'49"E /</M -7 TAX GOT _NZ AtriJd Wire Aece- I /,�f' UEihfri9 6�suru L o: `Af if 6/0629060 ; � � �o 62 9f 3 ! _'V� %WU WAy.: � � rIva m4 N00'/009"E kI POND r /9 62' :� u l � NW'4Z'/7 Z' N99,29'00 "E - MIN, b --Lj n) N89°29'00"E /0.00, ZOT 4 Al •�9 q N89029100"E MI00' clrvL 1Z.0' o N LOT i 450 M8 °/6 X4 E /".03' "-fd Z "/. P. N. 0.00' E. 0. 22 ' 5x/3E. IMISE 4 Mr M /760 Gar/a9L N \� \\ r TAX GOr ffM ' A".03' ..... /85.04 ' Ex. 4" larzc Ma'r� y pp O Mnrf. rr1G O P. P. S �I I ,.ASEME/V7 LOT I ZN 44 v 0 0 0 �o /26.03 h � 0 i ,80UNOr C/NE 0/ ENT/RE MNi 'n ' /5 ' Ub/.�fris EAscmcnE � Ac f 8/06290604 Am /a crez,F fasemev-11 a� 'fig i r� ZZ6.47 ' ;,R Pub/� Garaq� .ffice o IZ6, mf�6, I� � Q i i E.rr5�ii79 •"�� i /!01v h TAX GOT VOO TAXI}. A0.00• _ NBd'/6'/4'E E,r. lsn. ✓ewer C'176 OPP. / �If 1 HAMMOND, COLLIER & WADE — LIVINGSTONE ASSOCIATES, INC. CONSULTING ENGINEERS LARRY R WADE, P E BRUCE LIVINGSTONE. P E FREDERICK G KERN. P E. HAROLD E. RAYNARD. P E. JOHN D. LEE. P.E JOHN D. HENDRON. P.E. ROBERT E, BERGSTROM. P.E. DON PHELPS, P E. DEANNE M REYNOLDS, P.E LAWRENCE E. RIEGERT. P.E Mr. John Hobson City of Renton Department of Public Works Waste Water Utility 700 Mill Avenue South Renton, Washington 98055 PROFESSIONAL SERVICES SINCE 1943 4010 STONE WAY NORTH SEATTLE. WASHINGTON 98103-8090 TELEPHONE: (206) 632-2664 1-800-562-7707 FAX (206) 632-0947 November 18, 1993 RE: Highgate Pump Station Elimination Project Dear John: KENNETH L. EDINGTON. P L S DALE D. EROAHL. P.L S ROBERT G. GREENE. P.L S JUDY FREEBORN. ASLA TIM JONES. AIA Please find enclosed four (4) copies of the completed geotechnical report for the gravity sewer alteration evaluation. As you recall, this geotechnical evaluation examined the sub surface conditions along the deep alignment that would follow N.E. 20th and Jones Avenue N.E. Please retain these copies for your records. Very truly yours, HAMMOND, COLLIER & WADE - LIVINGSTONE ASSOCIATES, INC. W<�Z- % 'i�L- Robert Bergstrom, P.E. Enclosures RB/jlm \working\bergstrm\L029 RB HAMMOND, COLLIER & WADE - LIVINGSTONE ASSOCIATES, INC. CONSULTING ENGINEERS 4010 STONE WAY NORTH SEATTLE. WASHINGTON 98103 TELEPHONE: (206) 632-2664 1 f FAX:j(206) 632-0947 TO C' - LA Crr 2,eji 2- LN. wen /0 t 11 Sj APR 25 GENTLEMEN: WE ARE SENDING YOU G< Attached f 1 Under separate cover via CITY OF RENTONthe following items: ❑ Shop drawings [ I Prints Ci Pians ❑ EgQjj Bering `�I�pecifications ❑ Copy of letter [ I Change order i 1 COPIES DATE NO. DESCRIPTION I THESE ARE TRANSMITTED as checked below: ❑ For review of For your use C(As requested ❑ For review and comment REMARKS ❑ No exceptions taken ❑ Exceptions as noted ❑ Returned for corrections ❑ Resubmit copies for review ❑ Submit ___ copies for distribution ❑ Return corrected prints COPY TO SIGNED: 11 enclosures are not as noted, kindly notify us at once. ol THE BUTLER COMPANY a real estate service company April 21, 1994 Robert Bergstrom Hammond, Collier & Wade 4010 Stone Way North Seattle, WA 98103 RE: City of Renton, Highgate Sewer Pump Station Charles & Winifred POHL 2004 Jones Ave NE, Renton, WA Dear Bob, I met with the Pohis today at 10 am, :they inform me that they are in the process of signing a joint venture with WA Developers, Inc, to develope their property into 20 platted lots. Mr. Walt Schaefer, President of WA Developers, Inc. attended the meeting, along with Mr. Michael Lorenz, an executive assistant for WA Developers. They have a plan to develope the Pohl's site into 20 lots with a road running northerly along the existing sewer easement. and. across: the north boundary. They also plan to develope _si an `,adjbining parcel: to .the East and tying the developments together..*-- We agreed that if they their plans to the City of Renton the present sewer; sement wilit6e part of the negotiations. with the City and . nay ...'e, l Jyf4j,-T•d that �an`yappfaisa[ roYf�.the easement would not be required for this �.i 'C atlY.� t.='ml+t.4� sy/ir ;ttf, _ L...tP'a�.r`�iW .� ' a ._'parcel: They were signing the Joint Venture Agreement with the Pohls today and once that was signed they planned to meet with the City of Renton for platting approval. I gave them your name and phone number. Walt Schaefer, Phone No. 246-7484 or 251-0543. I will continue to appraise the Key Property, which has been sold, as this easement will be needed, per existing plans. 1,R Russell 0. Butler 1.123 Maple Ave. S.W. Suite 230 Renton, WA 98055 (206) 271-1800 FAX (206) 271-2585 TOTAL P.O1 C]P{7 r 1 Qd 1 f 7 r?faC S7A 7C-,C ) 0nr_r nn i O10 lt � l r December 20, 1994 Walt Schaefer WA Developers, Inc. 18000 72nd Avenue South, Suite 206 Kent, Washington 98032 WAD10001 SUBJECT: WETLAND RECONNAISSANCE OF THE PROPOSED BROOKSHIRE PLAT Dear Walt: David Evans and Associates, Inc. (DEA) conducted a wetland investigation of the approximate 6-acre site located at Jones Avenue NE and NE 20th Street in Renton, Washington on August 16 and 17, 1994. A qualified wetland biologist used the Routine On -site Determination Method described in the Federal Manual for Identifying and Delineating Jurisdictional Wetlands (Federal Interagency Committee for Wetland Determination 1989) to determine the presence and extent of wetlands on the subject property (data sheets provided). Wetland boundaries were field flagged and sketched on to a map provided by the owner. The field investigation resulted in the identification of a perennial stream flowing south to north through the central portion of the property. Forested wetlands were delineated on both sides of the stream. The wetlands are estimated to encompass approximately 45% or 2.7 acres of the property (see enclosed map sketch). Forested wetlands are regulated in the City of Renton and require a 50-foot undisturbed buffer around them; encompassing 17% or approximately one acre of the subject property. Therefore, 62% or 3.7 acres of the subject property is encumbered by wetland and its buffer. Due to 62% of the subject property being restricted from development, the proposed development plan was no longer pursued and the wetland delineation study including professional land survey of the field flagging was not completed. Should you have any questions regarding our investigation, or require additional assistance, please do not hesitate to call me. Sincerely, DAV113 EVANS AND A SOCIATES, INC. i o aid D. z, ice reside Director of Natural Resources ' t:\wp\wadi\wadi0001\wadi000l.1tr DAVID EVANS ANDA.S.SOCIAFES, INC. A PROFESSIONAL SERVICES CONSULTING FIRM OFFICES IN OREGON, WASHINGTON, CALIFORNIA AND ARIZONA 415118TH AVENUE, S.E BELLEVUE, WASHINGTON 98005.3553 (206) 455-3571 FAX (206) 455-3061 sxL;,brr � tei w � C n A �S SO- � 1_ � � ; • s A,,�e�v bt � �he�i ci a,� 1i a t M !n to 1011 O F- tL ti M N m 4. o� 5r � - k�ni%1 D" Evwm &wAuod�, kr yb �/UI,J Q{/ovn�% INTERMEDIATE -LEVEL oNSITE DETERMINATION DATA SHEET FAMYw.O wo* MA srwbna_l?P— • A. Mv-.va "m I J" /s / s y D.wipit y«+�. A- I .1 Sals I i.Aw/huae la fAe some fr 146% W*M, %a io1Proi,e D-»" AS•YR d.SA SYeq�.-OWN'-$ S: L I!.2 n- !8 '+ /n YR ST7L. S file vn v i x f� f 1 � Orwlpq.WkWlware VEGETATION TfaoLow bfkdar caw Ms• ' HLAW hVIRAW Card kfi fa.mfbtlar f_P�o+ri[I.e WAM Ctrs roY1 idmaagaea to"oY,. 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MA4 rFAC 7—' 9 F,l1A �arh FAfIJ I �% iVF / ii o,.A•/�rt,a...ate. x�er'��r1 1 2 ►waarspe of Ombud spot. e • ilw a os+L, IAfrNI, fM4rrAfk /0 % HYDROLOGY ia.feae w.ea.,.art /`b Lab" mw aepee id eaaereaT Drpa, of b" mad6v srw Y eea p►1 ?) O41 Caw am aeldr,oe al euleoe huderian ar eW Dah n"m Se i i .,•a i s1 iw i.... 4 • � I., WETLAND DETEAMWATION Y av OtaaWMgo rpnetbn afribn eaerl Y ar lydie W aAlrian euetl o,e epedgo Iryarobvraewrr merl. _ ND r m4 ptw ca,mrrJry a wame /� p i i S m O_ m LA Ln N .-1 0 LL m M m IT 0) cn .-I Aid-ituQ ILaw� 3a'S.oF %ovSe, 5�'w;,!` David E -ft aedAsaoelom mm 41% Jf' I.A4 INTERMEDIATE -LEVEL ONSITE DETERMINATION DATA SHEET .we u.,,,w� U n D I' oro 11ei111� ��' �A1 A�� caw* f ftm WA soar 40� !• M/ry rl a» %" amb see aaflllall: -BI/d►1M K 5L. O Yee), Moff( f 5 y atcr1 r,.l .5 Hi4 1►elllP� aLr�eealnOkw.w �f VEOETAnON rn.l,y. io nw Uwe -navy COW at" a" ►W -1 - ,- L,,, %&mw e«w wf. Poor �wrflla aw a " crr ► m a � o• _ EMI w a AC- 1 a+er aTA---FA c f�,wwr.cti )'4FI su„aL.y.► oR :f 1' Fnf ) / . D 1 a a 4 ►—ftpeformraavecw o- tnar.L»L.YAcw,.,�.o,iAc O(lld t sum HYDROLOGY r. �• ar1,el Ln,naulCf ��� a,el.e...I,. upve .' aW I.orer.► a' l aow a re. w.,Nnp.rawln Ler pat , , cow s.wuence al .. Lrr.a.fu, r w..u.wo,m �'4 f �+,•; . - l i r• WETLAND OETEAMWAnON r- ra»a,.•vemeedhdo,,,,,.n PS. - rti�y.C,IrL*.�O IIYQ J Y tM apenle 0ldrobpyreedo� rtn0 p Ywiprl.00rrr,�ro.wlr,Qf— Ye S Renonllr I ' 1 1i/140P hoUs! 40 Ili o f.dr: m gig, Oavdd Evm and Asaoow ft Wa 11 INTERMEDIATE4"EL ONSrrE DETERMINATION DATA SHEET now bwa ep, .,.b ""*a L.I A ?. P: o f -� 1Wk"sw+.rph •. NW�.„Uo+ee oala L aue�l•A BOILS �`�� ar.oa..ayfoan..ar�u I eanaw:0-7 w�a�k }OY %�/� ne �-otFirs iflet. arm by" @f VEOETATM vf"ia) t Lnace, Ovrr ►& sa.ae, Lem. sow,. Li,M Perf 1 a a a su.c WA Lx)w 1 ' a a,s HIOMeaA LAW Halo., cftw Nil. 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F/1�.ti, / !�{sum tiers � •r"LA�w i - � � Prurepedt�itipagaa � I fir ra Ol t+ACal1, Mi6nlr /Aft I t raps dparrnt ipgw 7i 1!r an flpt, t'ACK rdar /AQ •S NMROLOGY ti,ar tirsa.Iarae.a'af AID As4wa cart rgree �~ HYDAOLOQY Y poi a+aaarNl .. .rrr, wev�► / I ft." 1"ma r t�rtra iw�araare) ti�flaa aearl aep�r I `L Cgwr ball a fdanp d arAw h"eaallon w ad wrraos Oo1 aauau0/ D I*ft a Ina atianr4ep,waar b rr own I ' (slew art arie.aa. d wtaa ln�daaen er sate satwarae _ � ! 1 A. • � S f � ti WEnMD DETERMIATION � � tf ifr baa�l9a.vparae. aa.lra.e.tf_ Ye WETLAND DETEAYINATID01 I ,^ aeMayb4aaiaOwlaa�.11 /et -- ►wa►o�rcrobarwWawarrulwlaaM ��e Tr • M Haanio 41hMafJy edrlm Taff r a,la pWa amaarnlor a weaewef I r M woo* M Ghvy Ubvian mall fw --_ _ M1 plan- a m mumIy a w"agf SW corner of pto p . co m vM D•Ems and Assoot&u% lea yo I N of aOYI 1. S v INTERMEDIATE -LEVEL ONSITE DETERMINATION DATA SHEET D_ ^ elaab—sp—M IF brar,r- swwbna - 13 .-4 At�VO+wo oa.r 9l Soles '•"� waa•enrw•14dd•r kfi f9 '� v awnoaa: �- i� sL rofi�a/a +/leu svpoi 1P..CYRyl4 •-. Or..r 1pWM w.i 4�a.w.p 0 f- Q� VEGETATION LaLalrr itara. N.mr •1b?L0 MriW C"W Md. hwE.apa_Lvow M6r..r Cwaf AN& tww Cie" roY[ sab rea Nm• at.ra . Cwg pwd y+C .I.r B 1AAIAI:I 4tVA F*C61 2 /6,S a4_Ac Z2 " rArAl n a � a a. airs � awr � a i +nb..sa,'sro/n, fa�u 6 8sS I.S�Ilr.I1•Aa.lr/ nar¢ PA(!) I �.(i "" '�• a_piyillJ4 CMq[ f%1[t1 / i.o �••p..fDarrrwtapmw DO a. oaL. [AOW. rrw FAn: 80 " � a iva HYDROLOGY. a.. m b r4mw? ►�.� I owbo wow d•Pr4 1 W maw&" t n 0•PM o Ira mrm:sv wwi Mum *wtrleMd•naofwla.hwwdlameradaVrass it d►v 1.rry WETUINO DETERMINATION a ))w Y an lydhri• rd..•.rir• rrlt •_ ' V r�t�S n..wwab".lopteawlrrCA" aS aaMw•••�•••lbr.wurt — � c A>z>aruc o f o.;+laEwna a,d Aaoofat a Ina aD i N. N S r RJTER.MEDIATE•LEVEL ONsrM DETERMINATION DATA SHEET "0Iia10i"" ' Job mnaswl LdA-PT nm5 r 71717. a.nw. ma pp— ILI Ll A- SOLS a" l'a�10"� >. a w+la. ry utaaoa�ar art t>1nw a�uU w�I Mtl1o.r•re M- C3 VEGETATION t.r.lijr kr 01 Cww . a•6 Hrtraar. L"w adatr Corte U& aawrk N.ra aaea ca... Awr sorrrar Nwr au.. Ch.• raw +_ Pep-A-s t1:rti• FAC y M I -IAn w - (j a 16.5� I_AIA..s r. 1, 11:• fAe / = Ea_u.set1,.« 3.0 • • • am St" Lrya • l��b�sdi,robr FAfl/ 855 pw Srl'� Srowkr FArtJ 1 3113 a ►annyp•w} DomYrrr ap.olo T+wo�lrACW.w ��% a WFAC- �+ U HYDROLOGY ar•ha•Irua.net NO —Ku awl.a wowdprlt idwan.Qt WpD•/*rWNWLV%maNunpRl nawr Are &Ad m a wrl.•* b n%Uftn afar @a w►nrae _ WETLAND OMRAGHATION � ei• bd•P�b+l• r•'0•elo• o9r�ir rant aew"IN I"wbui.nwoo a w• M+•r• ntd•mor wawan.rwn r - e s t; w++4 r Ni. Mwu oariwor • w++riei a.uwwr. rr m 3o-r`t.SO d��a�;dat�d5'reF.k'� {� �S "r. %and O- DaAd Ewan ud Au dom Rnn % �1 w S iQ Q Of INTERMEDIATE -LEVEL ONSITE DETERMINATION DATA SHEET AoYwrWon mrn.ro.a &),Apr "l M r►.arMao"W& F Ma.1,r sarO.Nre it- • air d A SORE C RirAot/Rww r a w vA a» Rydti.oT.I4tt vtty S Yt !/6 • I 0". tdit @a Nsoawu v m Q1 I N N 0, VEGETATION Two tart R,dator cast tad. Iwwo.a.ls,.r NIaAor Corot LW ; sncYow POir rmolur sms os r.a4otRrM Sow Crra roof %)n .cl. '' — "A OrAd`.4I rai,: [o 7• la., F'AC(I 3 .?0.,r t .6,Q l'-ffe s FAt. A 7 Aret"i"fii I• .) 19. s -5el r !Cr w-0or I-AcQ nb a -A s I slat iS ar n T" a • a 1 « he�� UPL ) >7 ,Mac ? >r arwr 1rtr a I r sum s Gt. ..r pwowr+oror0ortl.rrrprdw ♦ eY'0L. a Tlrar0aLfACW.mv4WFAC•. ..(.L� s r e►e M , - t, rrlrDrioLo�y srAraMn,dt.e) • /�O WAw.�rraprar s>,rr..rrro A) D o.pwar..w.arpr.rR.Y.pn r. RrrA,+daNawdsabot Nudr6mop=6ueraba &olI V. Or$ — . •..... WETLMD DETERMINATION r ►w.ep..pnwe.posew,wrwbn.»n P r.. •,I,r ntarp w aar.lrn a.e/ r r ar ovranr baoY� otsaen Coon a GiSf RAM `tr' Y W t r►a anrrw�r •,w4ner Aoonpc - 64k RAG V SDi ( QI lAAIILA'( David Ewa and AuodwK Inn tom%' i' N:Oud. INTERMED1ATE4.EVEI..ONSITE DETERMINATION DATA SHEET Ntd.wwas JorrYrmoc. WAPYWO .. nao Y..ao.waT L' M a Gi f..N.we mom elfclia ta�oc K , n G SOILS WYo/Mae Yarooi�nMpwhw.lr4A 1 i1 I Who" MAINVOCU Rr1ei �001) VEGETATION Trwlavr rd=W am ►a, riwbomeL ow a.artr cow A" tau.ar"Me sYu Cho NW ad.araorr sore crw Pdm par, le T 11 'Ifit,4 F t s A[41 Jo• ♦ ♦ C&L 3.0 • C a ♦ i,A CR! wIw A •O sum r BM6 ltper s 5,4(u, J r A In D, S as o5t41 3 W- S rworiYpooN]atbwtipo.loo ��% ♦ TnrN 111gN,rdk.FAC HYDROLOGY AID UN moome NoO.pn y tN aM6ny ww Y w pti Ouw 4k aiereer a rntoa Ra,r,6tfa a o01 wmrrfow O f, I WETLAND DETEIWINATIDN r"O l Nr('o ,�1o,�eeF� I P • Y or 4" o aowlen ao0 )y 1 Yarwoo&twovieworwYnatv \1t.4 It N pue oorr,rrk o.oarer Mallow t - . LM u Irk Ike ; � W, ..�.a. �,\^A R7rA so 0 vil— %.. 41111, 1 . I , M!!� IOU VrA JPW-f Aly AW-0-Y as m C-SCALE- ICO P4T q P,+T 2a 23 j! 12 27 77-- !T j� I t � I; rDF J7 -?St.3 r 61 / ue 1 r 3262loop - d =- 29 282 1 274uj 2s0 II Z -----o ,� e `Ci:J'----------- j uj K a a8 3 I ' - --- I I' S 1 I 261 V.I 27 8 - -------- 24�9 134 k-1.24 IIC �Z 1 f['� 1 C j U �l � Q S � LflL.J Mi„ •° T. [ )s ELF 134 , ""1 96 1 15413 ? 1 / N.;% n 2100C�cp I '1TH ST. •F- 3..i - _- - • Lsv_-J ------ '� s� -a s. r..A , ----- ------ - ;�' -; i U294 283 273 262 °`N r - ZS � :st3 SPIZi-Td tip fire. 5 II 116 "• $in 293 84\N;', 27? 2631 v �522123 " 3to./o 1---- 2 119 Zolao u1 ra.-� �rj `.-.� �• li I I i 1 I 1 �o I } �� Iso-- �3Jt__ •1 1 1 '1� I � '' �1q11I I' I.'a' Jill � 1 ��. ♦ 11 % 1 j1I m RII 1IIm� IIII ` �., .�..y.,�.;� � �• 1135 loo )� 1 I !16 /oe.! ' 'I i �' 9S �I \ � ��I M L:J I�° a CA 7E p ---� g55 q1• n i - t , • per .Zs1. $ —AV _ Al �# 191 264 1933 ILO y- `.OL---- 1 a 18 4 . . r.,, i •• �1 �a �1 d� MerAW 0 Alt Awl''- Of IN Jt �O AND Of THE JW* /w/ COMM 14 400, rr o I� L•dR � �d �,t' !0 lI01 I JAI' �0/ !/6t I ;Ooi' Ap*d w.n . 460 IV tv' 1 !. Iglu ��. � IZ TRH'" I . ` '.�,":"l'"�d�•.�•.,rs t �•SC A 1 G G0 f e ,v e, in DATE T II.O el �• C LOT •1 • �°o � �I I � �' `+ X LOl .lLDi El � Lw!/Nt311PY LOT 3 [Mi 1 te ♦r.: i 8 ; �8 HYNIdJN� ,It/ as N • I. J,Y GAS :j 14 06-0 LOT wr O �1W. ✓� ,w yj Jvv �M AU �� w . ��. N•L11' I•Iil• ant tN e1 • a onM� Q IbC of, o • .M0.d1/ M OI rif AW(;✓) Nwt'k' 'L r � � i ddlKlL (,vN i � CIO IINt M,• ,TAd' io/ 1100 1Ax to Kilt Or.R rI. M A •l4 � I itL ?LAW off + ' '" WETLAND 02 iI ti r AREA ADJACENT f ' I Mal 'N " "' IN TO EXISTING ru. ; �I POND • Ii " u as , 7 w ♦7,el Itt rll• ,ir rH a. lopt tt • ,ff:• .:I l a Saiiiiiiiiii,m ti I„ 1 ' ` a. j• a w '•�II. ��,• I�vl/t 1,. IIr � e L , 3r..•25zL s• ira'= i f z w z 0 n ro 1 ale Irr • a It 1 1 le Q na am Amb, ty f 7.0 r/ 1 l �, tiJ p SCAL ■ 80 FEET DA7`E A -•Is LARGE PAITURE WETLAND 03 '•' i TRIBUTARY TO E dw6 r CREEK f "',.. ,„ �' I31 II .., �L Pt•tARS i w • 1 /• }'�.•.J ail Q • • a,...a w...• _t v.t,at to it h'_..t •'�. �a?jolt f WETLAND #1 EAST BANK OF CREEK• wo NORTH OF �•, POHL RESIDENCE -/ I �lrl �/t f lfil DR. KAY'S PROPERTY • rrl art � f •u .•'� �,. r Ito •. att 1 1 , i �~ �.• 1 t•I . err+ :Nr..• ur N. E 20TH STREET � � art _ . l:i- .�• ..�., ,., . tt. ~;;,...24 FIGURE #4 , ' ar._.1 "' y1 ..:it•"• PROJECT AREA SURVEY MAP EXISTING BERRY FARM ia-.—HAUMOND, COLLIER A WADE — LIVINGSTONE ASSOCIATES, INC.- WET ET LAND 01^'r ZOt Q WETLAND INVESTIGATION OF THE IHGHGATE LIFT STATION ELIMINATION PROJECT CITY OF RENTON, WASHINGTON This report documents the results of a field investigation of the Highgate Lift Station Elimination Project located in the City of Renton near Jones Avenue and NE 20th St (figure 1). The purpose of the investigation was to identify any areas within 75 feet of the proposed lift station elimination project that could be classified as wetland pursuant to City of Renton Ordinance No. 4346 (Figure 2). The City of Renton Wetland Inventory Map does list an area marked as W-29 near the project site as City of Renton Wetlands (Figure 3). DEFINITIONS AND METHODOLOGY For the purpose of Section 404 of the Clean Water Act, a wetland is defined as an area "inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and that under normal circumstances does support, a prevalence of vegetation typically adapted for life in saturated soil conditions" (Federal Register 1986:41251). The technical guidelines of the Federal Interagency Committee for Wetland Delineation (1989) were used during the field work. These guidelines are the result of a joint effort by the US Army Corps of Engineers (COE), US. Fish and Wildlife Service (USFWS), Environmental Protection Agency (EPA) and the Soil Conservation Service (SCS) to provide uniform methods of wetland delineation. The interaction of vegetation, soils, and hydrology results in the development of characteristics unique to wetlands. In general, hydrophytic vegetation, hydric soil, and wetland hydrology must be found for an area to be classified as wetland. These terms are defined as follows: Hydrophytic vegetation "...is defined as macrophytic plant life growing in water, soil or substrate that is at least periodically deficient in oxygen as a result of excessive water content." (Federal Interagency Committee for Wetland Delineation 1989). The US. Fish and Wildlife Service Wetland Indicator Status (WIS) ratings were used to make this determination. The WIS ratings segregate plant species into ecological groups with similar abilities to withstand saturated soil conditions. Going from high probability to low probability of being in a wetland, these ratings are: obligate wetland (OBL), facultative wetland (FACW), facultative (FAC), facultative upland (FACU), and upland (UPL) (See Table A for complete description). "A hydric soil is a soil that in its undrained condition is saturated, flooded, or ponded long enough during the growing season to develop anaerobic conditions that favor the growth and regeneration of hydrophytic vegetation" (Soil Conservation Service 1985). The morphological characteristics of the soils around the project were examined to determine whether any could be classified as hydric according to the definition of the US. Soil FE 60 ui z W Q co W z O 7 49/ Z5 ' S. '10-87 L ' ni ( ao.Vo 10 Jfsmr I � C )LE FAMILY PROPERTY \' . W 5 0. a � EXISTING UN ED CREEK �� I io AND PRIVATE ND g;* ZI o (3) .I t , PROPOSED SANITAI JN EXISTING EASEM 1-15 � 1 J �oN.E. 20TH STREET 2.3 84%-,/ 1� 11' 11 m I N , ( _ II 11 II II SEWER II IT R/W I II I, LARGE PASTURE I I m DR. KAY'S PROPERTY � _ I 126 (_ `r a* 1 r, J / fic. j z� do- 125. 9 16 5 65 ~ O 19 I EXISTING BERRY FARM �' EXISTING SEWERS IN N.E. 20TH ST. ►. 1 EXISTING HIGATE ., lb 4 2 ( 3 ) (4 ) m SEWAGE PUMP STATION 126. /4 5. P. 130.78 25614 P 256 Z4 ��� fit' FIGURE #2 PROJECT AREA MAP HAMMO ND, COLLIER 3 WADE — LIVINGSTONE ASSOCIATES, INC. Conservation Service. Wetland hydrology gives evidence of permanent or periodic inundation, or soil saturation for a significant period (usually a week or more) during the growing season. Areas with wetland hydrology are those where the presence of water has an overriding influence on characteristics of vegetation and soils. While inundation and soil saturation are usually an obvious indicator, lack of those conditions does not preclude a wetland determination. Other indicators of wetland hydrology can include water marks, drift lines, water borne sediment deposits, water stained leaves, and wetland drainage patterns. -- FIELD SAMPLING PROCEDURES �So� Field work was conducted on May 18, 1993 y Marilyn Phelps of Cascade Environmental Services to identify and delinea a on the subject property. Mr. Robert 32 `2� Livingstone Associates Bergstrom, project engineer for Hammond, Collier & Wade - Livin g accompanied and provided information about the general layout and land use of the area. Plant communities were inventoried, classified, and described by field inspection. Representative areas were inspected for both upland and wetland areas at the project site. Soil pits were dug to determine whether hydric soils were present and hydrologic conditions were reviewed to help determine whether or not wetland conditions were present. EXISTING CONDITIONS General Project Description The project area is a nearly flat, overgrown and brushy site with a small creek running through the middle and a small pond on the northWest end of the site. The pond has a small concrete dam at the north end that has beep ,Who: to allow more water to flow through. The area to the east of the creek is relatively open with few trees and mostly blackberry vines and stinging nettle vegetation. The area on both sides of the creek appears to have been significantly altered over the years and in fact the perfectly; straight stre4mbed of the creek r suggests it has been changed from its original course: From N.E. 20th St. to about the middle of the project area is an old gravel roadbed that has been overgrown with blackberry and horsetail. There is an old barn or shed at the center of the project area and a long row of Lombardy Poplars have been planted on the immediate west side of the creek. These extend from N.E. 20th Street almost to the pond. Ornamental shrubs, fruit trees, and overgrown grassy areas all suggest evidence of significant human development. The entire area is in a residential neighborhood, although it is not densely populated. There are three wetland areas on the site, all within 75 feet of the proposed lift station elimination project (See figure 4). Site one extends along the east side of the creek from immediately behind the garage of the residence on NE 20th Street to the north end of the project area. It is a narrow band paralleling the creek and extending approximately 10-15 feet due east. Site 2 is the area immediately surrounding the small pond at the northwest end of the site. Site 3 is a shallow ditch approximately in the center of the project area. Due to the small size of the wetlands and nearby stream, it does not appear to be directly connected to streams with an average annual flow of at least 5 cubic feet per second, or perennial lakes. Thus, the wetlands could probably be considered isolated and above the headwaters, as defined by the COE. II emphasize,hpwever, that the COE-has ultimate authority to first determine whether or I not this area_is a.wetland under their jurisdiction, and then to determine its status with regard --to-other water bodies in the vicinity.- :; ..,.. There were several shallow (3" to 6" deep) channels on both sides of the creek running perpendicular to it and into the creek. The soil in the ditches was wetter than the surrounding soils and a few contained standing water indicating the present water table. The soil of the project area has been mapped by the Soil Conservation Service as belonging to the Shalcar (Sm) series surrounded by the Indianola (InC) series (Figure 5). Shalcar muck is comprised of very poorly drained organic soils that are stratified with mineral soils and overlie mineral soil material at a depth of 16 to 30 inches. Slopes are 0 to 1 percent. Soil from this series is used for row crops and pasture. Indianola loamy fine sand is found on 4 to 15% slopes and is somewhat excessively drained. It is good for urban development as well as growing timber. For ease of description, the site will be described in two separate sections - 1.) the area east of the creek and 2.) the area west of the creek. 1.) Site East of Creek Vegetation The vegetation along the east side of the creek was quite uniform. It was almost entirely composed of blackberry brambles, stinging nettles, grasses and some horsetail. There are no trees for at least 220' into the site. Nettles and horsetail are facultative or wetter, while blackberry is occasionally found in wetlands. Based on observation and analysis, the vegetation of the site would be classified as hydrophytic according to federal guidelines. Soil The soil on the 10-15' wide strip was saturated, black and mucky. It contained very fine silt and organic matter extending to a depth of 12 inches or more. This description satisfies the federal guidelines for hydric soil so the site does qualify as a wetland based on soil. The soil east of the wetland area was somewhat mounded up and could possibly have been dredged from the creek at one time. It was sandier and was not saturated or mucky. It is possible that many of the blackberry brambles were growing from this area and spreading out to the wetter area. Hydrology The existence of saturated soil is an indicator for wetland hydrology even in the absence of any other evidence. Given that this site is also right next to a flowing creek, it is presumed that the water table is at or near the surface. Therefore the site does qualify as a wetland based on hydrology according to federal guidelines. CONCLUSION This site definitely displays wetland characteristics based on soil and hydrology. The Vegetation indicators are not as strong, but this could be due to the fact that the original vegetation has almost certainly been altered. It is likely that the site from the creek east for several hundred feet has been used for pasture or row crops and has been allowed to grow up in the past 10 years. Based upon observation and determination, this site does qualify as a Category 3 (Lower Quality - Disturbed) wetland, under ordinance #4346 section 4-32-3-D3a. 2 2.) Site West of Creek Vegetation The vegetation in this area was much more diverse and included trees as well as both wild and ornamental plants. The tree species included willow, cottonwood, alder and several fruit trees. The Lombardy poplars were also on this side of the creek. The understory included wild raspberry, buttercup, horsetail, and some nettles on the south end. The area surrounding the small pond has grown up to grass and there were several ornamental shrubs in the immediate vicinity. All of the native species observed were facultative or wetter which satisfies the criteria for wetland vegetation. Soils The soil surrounding the pond for a distance of 10-20 feet was a saturated, very dark brown, mucky, very fine silt extending to a depth of 12 inches or more. This satisfies the federal requirement for hydric soil. There was also an area of similar type soil in a small depression that ran into the creek about halfway through the project site. This area was approximately 5- 10 feet wide and the soil also met criteria for hydric soil. Both these soils fit the soil profile for Shalcar soil which is listed as a hydric soil. The soil in the remainder of the site was also black but was not saturated. It was gravely and quite compacted at the south end of the site. Mr. Bergstrom stated that there had been an old gravel road at that location that was no longer in use. The site conditions observed would agree with that statement. The soil along the rest of the proposed project area was relatively loose, sandy, well drained, black and slightly organic and did not display wetland characteristics such as gleying, mottling or evidence of saturation. There was very little or no clay content in the soil and it did not feel sticky or "greasy." The water table was not evident down to a depth of 18 inches in this soil. This description does not fit the Shalcar soil series profile, nor does it fit the profile of the surrounding. Indianola soil series. For purposes of determination, it was not observed to be considered as a hydric soil based on its characteristics. Therefore, the remainder of the site would. not `qualify as_a wetland based on soils. HydrolM This site displays evidence of considerable human intervention. The pond is obviously manmade, as indicated by the dam, and the creek has very likely beep dledpd and/or, channeled. There is an old storage shed near the middle of the site and the old roadbed leading to it. There has been deliberate effort made to divert, contain or otherwise manage the hydrology of this site. The presence of saturated soil is enough to qualify the area around the pond and ditch as a wetland based on hydrology. The manmade alterations of ditching and channeling have effectively drained the other drier, slightly higher ground, removing any hydrologic indicators of wetland status. That area would not now be considered as a wetland based on hydrology. CONCLUSION This site does contain two small wetland areas. One was obviously manmade (the area surrounding the pond) and the other may or may not have been manmade (the ditch). The rest of the area does display some wetland characteristics (hydrophytic vegetation) but the drained soils preclude it from meeting all the criteria for a true wetland. It is definitely a disturbed area and it is difficult to determine what the original state of the entire area was. Given that the site has been disturbed and is no longer in a true natural state, the two wetland areas would qualify as Category 3 (Lower Quality - Disturbed ) wetland under Ordinance #4346, section 4-32-3-D3a. TABLE 1 Key to Wetland Indicator Status (WIS) Categories Indicator Indicator Category Symbol Definition Obligate OBL Plants that occur almost always (estimated probability >99%) in wetlands under natural conditions, but which may also occur rarely (est. probability <1%) in non wetlands. Facultative FACW Plants that occur usually (est. Wetland probability >67% - 99%) in wetlands, Plants but also occur (est. probability 1% - 33%) in non wetlands. Facultative FAC Plants with a similar likelihood Plants (est. probability 33% - 67%) of occurring in both wetlands and non -wetlands. Facultative FACU Plants that occur sometimes (est. Upland probability 1% - <33%) iq wetlands, Plants but occur more often (est. probab- ility >67% - 99%) in non wetlands. Obligate UPI, Plants that occur rarely (est. Upland probability <1%) in wetlands, but Plants occur almost always (est. probab- ility >99%) in non wetlands under natural conditions. A + sign after the indicator symbol indicates a frequency toward the higher end of the category (more frequently found in wetlands), and a - sign indicates a frequency toward the lower end of the category (less frequently found in wetlands.) Table 2 Plant Species and Indicator Symbol for Vegetation at Project Site Willow Salix spp. FACW Red Alder Alnus rubra FAC Cottonwood Populous deltoides FAC Blackberry Rubus discolor FACU- Raspberry Rubus pedatus FAC- Buttercup Ranunculus repens FACW Horsetail Equisetum fluviatile FACW Stinging nettle Urtica divica FAC+ S 17 W 3 K f, ;- w \ cn Ld S—g - �6 � - I -� Q o p}- w —1 7 z (D W l K W4K c ' S26K r t #W- 47 \ S \�. -- - - - -- S L f \ W2K ' W-2 S28K W 26 S-10 ::`.`.. S i 13 N.E. 27TH STREET - 'CTOtV ��; • �--� Ln' . W— 2 9 Q S —1 1 �---- _.+ _ cn _ Q PROJECT LOCATION-_-- w _ ,` ' J S —18 � -S 16 S-1 s 4. FIGURE #3 CITY OF RENTON WETLANDS INVENTORY MAP HAMMOND, COLLIER & WADE - LIVINGSTONE ASSOCIATES, INC. WETLAND #2 C-IWl a AREA ADJACENT 914 1 150 TO EXISTING ° 117. 1:7 POND l WOO ' i Rl wl t° 1q . ... - +, ._� u' -... Ij, dms a !6 oo7 q—r - — ` 210 to • I10 .711 : 121 , •I11/ • toe +�t7 7 \ 2" Is + , .�!..764'_.1e7 7a9 177 170 179 SD 051 I,y 7 lat° R7 u 1 eve / s) J aW rf 7)91ai11 9r a i1p�,; J40LI2 DA+/1 1 7 %8 .- 7i��sp1 �\ Is) 270 J4 1 4 \ 17 .1, b/ (//7R iCow1 Y f tSS 7n �^!p, Illv��ywygy �. 3t7 I ` 5.17, 33- r I I •'•'e�Y .: ,.yy \ t1� 777 `, aJ j 2" S I4".791 • 241 7 �1� • zsz 0�s,w 27 { 70 jE . 2Y2 I i.,v c.. ���' 7)0 = SCALE 1 7I7 Q = 80 FEET 710 ((( j a _......_ 11 �7) 3 7 _._. )` ) W t/ 7 Z f� h �,+ 1,ti ate ,oa � 0 r 0 • � (( 7ss a 317 LARGE PA TURE W I 7e1 p WETLAND #3 — , "' 1 ° ,I )y17 -� 30 TRIBUTARY TO t,� �` 3 CREEK "' • � sta ' 1! 1 so 375 Y * Ole so1 NIu,ZS , 6 303 379 �, 91ZS993 f II WETLAND #1 ,,} EAST BANK OF CREEK, NORTH OF POHL RESIDENCE ))1 O / 370 \� 1 • \373 374 1 a71 1 „t 73 1 DR. KAY'S PROPERTY \, )7a / I .. � 7/e /A50: 7 170 11 131 i xa M7 ,]ee ! a77 •• , f l e 442 %hi" 117 nISSN r c N. E 20TH ,L-- STREET \Ja7---/19_�y�-c► iS '• '_a _'�_'""a_7_) —s. a�i,' 70 _4a.9607a79 4_I " .. FIGURE #4 sea . u7.1 it .9e 111' PROJECT AREA "' SURVEY MAP EXISTING BERRY FARM HAMMOND, COLLIER & WADE — LIVINGSTONE ASSOCIATES, INC. ,-� Koe ma's AgC 'Pin Newpor' nEwC t .�\ Hills , Ag B InA n Y W AMC I. •KPD 3 _L M D • 3 _DBM LL-j MBE PD AgC fit �� 8 ^� ` aInC 1�I Sh Bh j' O2 >.. I AgC ' a � V ; • :' , EC BM May a KVC v Y� o 109 C. i i;�i� _ • GvD ��O•• . — — — — — — -- — — — — — — I `gr BIJ AgD i \ N m I, No i X \AgC BMA 1 C� i%ii • 1O • i � 605 i I �• ; \ Sm \ i r 1 \• ; AgC ABC / �" • • AgD 1 1� Ago ' > { • AgC •., .. \ i Ft� •I;I _.....Bennydale y •InC - • I A . ' A • EvB µ' AkF BC I Coleman Poin • P GRAVEL Q' :1:' y Plr AkF,. 'InA' t — -- — --- — I �e -- --- , ---- 929 . •. FvB B C AgD i • • n BM I11 i n i • BM' s + nZi ABC n •s JL a BMA \1 •y u AkF '• Av i l _ .�.. PROJECT LOCATION AMC , AmB r c- ---- 'I SmN In I 1 • , i, ' \,J j I I AgD t '` •� LnI , '. •, I i AgC' r AkF ♦ •:. : ! I AMU ' •' ur� i \ •t �• + _ .t; .� • I • RCS ry - .B-Y LK - �� �•i.:.1 _ ff11JJ-1.• i RE /Plant'.. �, ' .. J� c Ur R TON • ' ''„ R goo RENTON 1.9 MI. 1290" (Joins sheet 1 1) RdC 10' RENTON 1.7 Ml. FIGURE #5 � Scale 1:24 000 SOIL CONSERVATION SERVICE INVENTORY MAP HAMMOND. COLLIER 3 WADE — LIVINGSTONE ASSOCIATES, INC. SOIL SURVEY King County Area Washington 0 UNITED STATES DEPARTMENT OF AGRICULTURE Soil Conservation Service in cooperation with WASHINGTON AGRICULTURAL EXPERIMENT STATION Issued November 1973 gravelly coarse sand to very gray y loamy sand. Depth to the IIC horizon ranges from 18 to 36 inches. Some areas are up to 5 percent included Alderwood soils, on the more rolling and undulating parts of the landscape; some are about 5 percent the deep, sandy Indianola soils; and some are up to 25 percent Neilton very gravelly loamy sands. Also included in mapping are areas where consolidated glacial till, which characteristically underlies Alderwood soils, is at a depth of 5 to 15 feet. Permeability is rapid. The effective rooting depth is 60 inches or more. Available water capac- ity is low. Runoff is slow, and the erosion hazard is slight. This soil is used for timber and pasture and for urban development. Capability unit IVs-1; woodland group 3f3. Everett gravelly sandy loam, 5 to 15 percent slopes (EvC).--This soil is rolling. Areas are irregular in shape, have a convex surface, and range from 25 acres to more than 200 acres in size. Run- off is slow to medium, and the erosion hazard is slight to moderate. Soils included with this soil in mapping make up no more than 25 percent of the total acreage. Some areas are up to 5 percent Alderwood soils, which overlie consolidated glacial till; some are up to 20 percent Neilton very gravelly loamy sand; and some are about 15 percent included areas of Everett soils where slopes are more gentle than 5 percent and where they are steeper than 15 percent. This Everett soil is used for timber and pasture and for urban development. Capability unit VIs-l; woodland group 3f3. Everett gravelly sandy loam, 15 to 30 percent slopes (EvD)---This soil occurs as long, narrow areas, mostly along drainageways or on short slopes between terrace benches. It is similar to Everett gravelly sandy loam, 0 to 5 percent slopes, but in most places is stonier and more gravelly. Soils included with this soil in mapping make up no more than 30 percent of the total acreage. Some areas are up to 10 percent Alderwood soils, which overlie consolidated glacial till; some are up to 5 percent the deep, sandy Indianola soils; some are up to 10 percent Neilton very gravelly loamy sand; and some are about 15 percent included areas of Everett soils where slopes are less than 15 percent. Runoff is medium to rapid, and the erosion hazard is moderate to severe. Most of the acreage is used for timber. Capa- bility unit VIe-1; woodland group 3f2. Everett-Alderwood gravelly sandy loamy, 6 to 15 percent slopes (EwQ .--This mapping unit is about equal parts Everett and Alderwood soils. The soils are rolling. Slopes are dominantly 6 to 10 percent, but range from gentle to steep. Most areas are irregular in shape and range from 15 to 100 acres or more in size. In areas classified as Everett soils, field examination and geologic maps indicate 16 the presence of a asolidated substratum at a depth of 7 to 20 feet. This substratum is the same mate- rial as that in the Alderwood soils. Some areas are up to 5 percent included Norma, Seattle, and Tukwila soils, all of which are poorly drained. Runoff is slow to medium, and the erosion hazard is slight to moderate. Most of the acreage is used for timber. Capabil- ity unit VIs-l; woodland group 3f3. Indianola Series The Indianola series is made up of somewhat excessively drained soils that formed under conifers in sandy, recessional, stratified glacial drift. These undulating, rolling, and hummocky soils are on terraces. Slopes are 0 to 30 percent. The annual precipitation is 30 to 55 inches, and the mean annual air temperature is about 50' F. The frost - free season is 150 to 210 days. Elevation ranges from about sea level to 1,000 feet. In a representative profile, the upper 30 inches is brown, dark yellowish -brown, and light olive - brown loamy fine sand. This is underlain by olive sand that extends to a depth of 60 inches or more (pl. I, right). Indianola soils are used for timber and for urban development. Indianola loamy fine sand, 4 to 15 percent slopes (InC).--This undulating and rolling soil has convex slopes. It is near the edges of upland terraces. Areas range from 5 to more than 100 acres in size. Representative profile of Indianola loamy fine sand, 4 to 15 percent slopes, in forest, 1,000 feet west and 900 feet south of the northeast corner of sec. 32, T. 25 N., R. 6 E.: 01--3/4 inch to 0, leaf litter. B21ir--0 to 6 inches, brown (10YR 4/3) loamy fine sand, brown (IOYR 5/3) dry; massive; soft, very friable, nonsticky, nonplastic; many roots; slightly acid; clear, smooth boundary 4 to 8 inches thick. B22ir--6 to 15 inches, dark yellowish -brown (10YR 4/4) loamy fine sand, brown (IOYR 5/3) dry; massive; soft, very friable, nonsticky, non - plastic; common roots; slightly acid; clear, smooth boundary. 6 to 15 inches thick. C1--15 to 30 inches, light olive -brown (2.5Y 5/4) loamy fine sand, yellowish brown (10YR 6/4) dry; massive; soft, very friable, nonsticky, nonplastic; common roots; slightly acid; gradual, smooth boundary. 12 to 17 inches thick. C2--30 to 60 inches, olive (5Y 5/4) sand, light brownish gray (2.5Y 6/2) dry; single grain; loose, nonsticky, nonplastic; few roots; slightly acid. Many feet thick. There is a thin, very dark brown Al horizon at the surface in some places. The B horizon ranges �e O.to. 1 percent. The annual preci- ation is 35 180 inches, and the mean annual aii mperature is out 50° F. The frost -free season ranges from 150 200 days. Elevation ranges from 25 to 750 feet. In a representative profile, the surface layer is ry dark brown muck about 14 inches thick. Below is is 5 inches of grayish -brown silt loam and rk-gray very fine sandy loam. The next 5 inches black and very dark brown muck. The underlying terial is mottled grayish -brown, dark -gray, black, d very dark grayish -brown silt loam to loamy sand at extends to a depth of 60 inches or more. Shalcar soils•are used for row crops and pasture. Shalcar muck (Sm).--This nearly level soil is in unded and irregularly shaped areas that range from to about 30 acres in size. Slopes are less than 1 rcent. Representative profile of Shalcar muck, in pas - re, 280 feet east and 1,220 feet north of center sec. 35, T. 22 N., R. 4 E.: 1--0 to 9 inches, very dark brown (10YR 2/2) muck, grayish brown (2.5Y 5/1) dry; many, large, prominent, strong -brown (7.SYR 5/6) mottles dry; moderate, medium, granular structure; slightly hard, very friable, sticky, plastic; many roots; medium acid; abrupt, smooth bound- ary. 9 to 11 inches thick. 2--9 to 14 inches, very dark brown (10YR 2/2) muck and pockets of silt loam; muck is black (IOYR 2/1), very dark brown (10YR 2/2), and brown (IOYR 4/3) dry; silt loam is light gray (10YR 7/2) dry; moderate, thin, platy structure; slightly hard, very friable, slightly sticky, slightly plastic; many roots; very strongly acid; abrupt, smooth boundary. 3 to 5 inches thick. 1- 14 to 16 inches, grayish -brown (2.5Y 5/2) silt loam, light gray (2.SY 7/2) dry; many, medium, prominent, brown (7.SYR 4/4) and strong -brown (7.SYR 5/6) mottles, brown (7.SYR 4/4) and reddish yellow (7.SYR 7/6) dry; massive; hard, firm, sticky, plastic; few roots; extremely acid; clear, smooth boundary. 0 to 2 inches thick. Z-16 to 23 inches, dark -gray (5Y 4/1) fine sandy loam, gray (5Y 6/1) dry; many, medium, promi- nent, dark -brown (7.5YR 3/2) and dark reddish - brown (5YR 3/4) mottles, yellowish brown (10YR 5/8) and brownish yellow (IOYR 6/6) dry; massive; slightly hard, very friable, nonsticky, nonplastic; few roots; extremely acid; clear, wavy boundary. 0 to 10 inches thick. 3--23 to 28 inches, black (IOYR 2/1) and very dark brown (10YR 2/2) muck and 25 percent dark -gray (SY 4/1) fine sandy loam, gray (5Y 6/1 and 5/1) dry;.common, medium, prominent mottles of yellowish brown (10YR 5/8) dry; moderate, thin, platy structure; slightly hard, very friable, slightly sticky, slightly plastic; few roots; very strongly acid; clear, wavy boundary. 4 to 6 inches thick. -28 to 60 inches, very dark grayish -brown (2.SY 3/1) loamy sand, gray (SY 5/1) dry; common, medium, prominer dark yellowish -brown (10YR 4/4) mottles and :w, medium, prominent mottles of yellowish brown (lOYR 5/6 and 5/8) dry; massive; soft, very friable, nonsticky, non - plastic; few roots; very strongly acid. The muck and mucky peat layers range in color from black to very dark brown, have a combined thick-. ness of 16 to 28 inches, and occur within a depth of 32 inches. 'Thin layers of mineral soil material also occur within this depth in places. The mineral C horizon is loamy sand to silty clay loam and is mottled very dark grayish brown, gray, and olive gray. Some areas are up to 30 percent inclusions of the very deep muck and mucky peat Tukwila and Seattle soils; and some areas are up to 15 percent the poor- ly drained Norma, Bellingham, Puget, and Snohomish soils. Inclusions make up no more than 30 percent of the total acreage. Permeability is moderate in the organic layers and moderate to rapid in the lower part of the pro- file. There is a seasonal high water table at or near the surface. If the water table is controlled, the effective rooting depth is 60 inches or more. In undrained areas, rooting depth is restricted. The available water capacity is high. Runoff is ponded. There is no erosion hazard. This soil is used for row crops and pasture. Ca- pability unit IIw-3; no woodland classification. Si Series The Si series is made up of moderately well drain- ed soils that formed under grass and hardwoods, in alluvium on stream terraces near North Bend. Slopes are 0 to 2 percent. The annual precipitation is 70 to 80 inches, and the mean annual air temperature is about SO* F. The frost -free season is about 150 days. Elevation ranges from 400 to 500 feet. In a representative profile, the surface layer and upper part of the subsoil are dark grayish -brown silt loam about 25 inches thick. The lower part of the subsoil, to a depth of 60 inches or more, is mottled dark grayish -brown, very dark gray, and olive -gray stratified silt loam, loamy sand, and very fine sandy loam. Si soils are used for row crops and pasture. Si silt loam (Sn).--This soil is on stream ter- races. Slopes are mostly less than 2 percent and convex. Areas range from 2 to about 100 acres in size. Representative profile of Si silt loam, in pas- ture, 1,650 feet south and 100 feet west of the north quarter corner of sec. 34, T. 24 N., R. 8 E.: Ap--O to 7 inches, dark grayish -brown (10YR 4/2) silt loam, grayish brown (10YR 5/2) dry; weak, medium, crumb structure; hard, very friable, slightly sticky, slightly plastic; many roots; medium acid; clear, smooth boundary. 6 to 9 inches thick. 29 om W.-ey dark grayish brown to brow id dark llowish brown. The C horizon rangb. from dark ayish brown to pale olive and from loamy fine sand sand. Thin lenses of silty material are at a pth of 4 to 7 feet in some places. Soils included with this soil in mapping make up more than 25 percent of the total acreage. Some eas are up to 10 percent Alderwood soils, on the re rolling and undulating parts of the landscape; e are up to 8 percent the deep, gravelly Everett d Neilton soils; some are up to 15 percent Kitsap oils, which have platy lake sediments in the sub - oil; and some are up to 15 percent Ragnar soils, ich have a sandy substratum. Permeability is rapid. The effective rooting epth is 60 inches or more. Available water capac- ty is moderate. Runoff is slow to medium, and the rosion hazard is slight to moderate. This soil is used for timber and for urban devel- pment. Capability unit IVs-2; woodland group 4s3. Indianola loamy fine sand, 0 to 4 percent slopes InA).--This soil occupies smooth terraces in long arrow tracts adjacent to streams. Areas range from about 3 to 70 acres in size. Soils included with this soil in mapping make up no more than 20 percent of the total acreage. Some areas are up to 5 percent Alderwood soils, on the more rolling and undulating parts of the landscape; some are about 10 percent the deep, gravelly Everett and Neilton soils; some are up to 10 percent Indian- ola loamy fine sand that has stronger slopes; and some areas are up to 10 percent the poorly drained Norma, Shalcar, Tukwila soils. Runoff is slow, and the erosion hazard is slight. This soil is used for timber. Capability unit IVs-2; woodland group 4s3. Indianola loamy fine sand,•15 to 30 percent slopes (InD).--This soil is along entrenched streams. Soils included with this soil in mapping make up no more than 25 percent of the total acreage. Some areas are up to 10 percent Alderwood soils; some are about 5 percent the deep, gravelly Everett and Neil - ton soils; some are up to 15 percent Kitsap soils, w;iich have platy, silty lake sediments in the sub- soil; and some are up to 15 percent Indianola loamy fine sand that has milder slopes. Runoff is medium, and the erosion hazard is moder- ate to severe. This soil is used for timber. Capability unit VIe-1; woodland group 4s2. Kitsap Series The Kitsap series is made up of moderately well drained soils that formed in glacial lake deposits, under a cover of conifers and shrubs. These soils are on terraces and strongly dissected terrace fronts. They are gently undulating and rolling and moderately steep. Slopes are 2 to 70 percent. Platy, silty sediments are at a depth of 18 to 40 inches. The annual precipitation is 35 to 60 inches, and the mean annual ; temperature is about 50° F. The frost -free season _s 150 to more than 200 days. Elevation ranges from about sea level to 500 feet. In a representative profile, the surface layer and subsoil are very dark brown and dark yellowish - brown silt loam that extends to a depth of about 24 inches. The substratum is olive -gray silty clay loam. It extends to a depth of 60 inches or more. Kitsap soils are used for timber and pasture. Kitsap silt loam, 2 to 8 percent slopes (KpB).-- This undulating soil is on low terraces of the major valleys of the Area. Areas range from 5 acres to more than 600 acres in size and are nearly circular to irregular in shape. Some areas are one -eighth to a half mile wide and up to 3 or 4 miles long. Representative profile of Kitsap silt loam, 2 to 8 percent slopes, in pasture, 820 feet west and 330 feet south of east quarter corner of sec. 28, T. 25 N., R. 7 E.: Ap--O to S inches, very dark brown (10YR 2/2) silt loam, dark grayish brown (10YR 4/2) dry; mod- erate, medium, granular structure; slightly hard, very friable, nonsticky, nonplastic; many roots; medium acid; abrupt, smooth bound-, ary. B2--S to 24 inches, dark yellowish -brown (10YR 3/4) silt loam, brown (lOYR 5/3) dry; 2 percent iron concretions; weak, coarse, prismatic structure; slightly hard, friable, slightly sticky, slightly plastic; many roots; slightly acid; abrupt, wavy boundary. 18 to 21 inches thick. IIC--24 to 60 inches, olive -gray (5Y 5/2) silty clay loam, light gray (5Y 7/2) dry; many, medium and coarse, prominent mottles of dark yellowish brown and strong brown (10YR 4/4 and 7.SYR 5/8); moderate, thin and medium, platy struc- ture; hard, firm, sticky, plastic; few roots to a depth of 36 inches, none below; strongly acid. The A horizon ranges from very dark brown to dark brown. The B horizon ranges from dark yellowish brown to dark brown and from silt loam to silty clay loam. The platy IIC horizon ranges from grayish brown to olive gray and from silt loam to silty clay loam that has thin lenses of loamy fine sand in places. Brownish mottles are common in the upper part of the IIC horizon. 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 5 percent the poorly drained Bellingham, Tukwila, and Seattle soils. Water flows on top of the substratum in winter. Permeability is moderate above the substratum and very slow within it. The effective rooting depth is about 36 inches. Available water capacity is moder- ate to moderately high. Runoff is slow to medium, and the erosion hazard is slight to moderate. This soil is used for timber and pasture. Capabil- ity unit IIIe-1; woodland group 2d2. 17 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 ALTERNATIVE NO. 3 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION EASTSIDE POHL PROPERTY Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $20,000.00 $20,000.00 2 8 - inch Sewer Main 1020 LF $32.00 $32,640.00 3 Pipe Bedding 1020 LF $4.00 $4,080.00 4 Trench Dewatering LumpSum LS $3,600.00 $3,600.00 5 New 48" Manhole 3 EA $2,300.00 $6,900.00 6 20th St. MH over Exist. Sewer 1 EA $3,000.00 $3,000.00 7 Connect to Exist. 8" stub 1 EA $500.00 $500.00 8 Connect to Exist. MH. 1 EA $1,200.00 $1,200.00 9 6 - inch Sidesewer 30 LF $35.00 $1,050.00 10 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 11 Bankrun Gravel for Trench Bkfl. 3400 TON $10.00 $34,000.00 12 Crushed Surfacing 195 TON $17.00 $3,315.00 13 Temporary Cold Patch 80 SY $7.00 $560.00 14 A.C. Cl. B Pavement Patch 20 TON $75.00 $1,500.00 15 Creek Crossing 1 EA $2,000.00 $2,000.00 16 Trench Safety System 1020 LF $3.00 $3,060.00 17 Access Bridge Across Creek LumpSum LS $20,000.00 $20,000.00 18 Topsoil 30 CY $20.00 $600.00 19 Sod 500 SY $3.50 $1,750.00 20 Seeding, Fertilizing, & Mulching 1470 SY $1.50 $2,205.00 21 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 22 Restoration and Cleanup LumpSum LS $1,500.00 $1,500.00 Total W/O State Sales Tax: $152,660.00 Note: Cost Estimate does not include additional easement acquiaition. Item # 11 Bankrun Gravel for Trench Backfill assumes 100% trench backfill with Import Material. Page 1 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 ALTERNATIVE NO. 1 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION ACROSS POHL PROPERTY Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $15,000.00 $15,000.00 2 8 - inch Sewer Main 1140 LF $32.00 $36,480.00 3 Pipe Bedding 1140 LF $4.00 $4,560.00 4 Trench Dewatering LumpSum LS $3,600.00 $3,600.00 5 New 48" Manhole 4 EA $2,300.00 $9,200.00 6 20th St. MH over Exist. Sewer 1 EA $3,000.00 $3,000.00 7 8 - inch Drop Connection 1 EA $1, 500.00 $1, 500.00 8 Connect to Exist. MH. 1 EA $1,200.00 $1,200.00 9 Connect to Exist. Sewer 1 EA $500.00 $500.00 10 6 - inch Sidesewer 30 LF $35.00 $1,050.00 11 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 12 Bankrun Gravel for Trench Bkfl. 3800 TON $10.00 $38,000.00 13 Crushed Surfacing 185 TON $17.00 $3,145.00 14 Temporary Cold Patch 260 SY $7.00 $1,820.00 15 A.C. Cl. B Pavement Patch 80 TON $75.00 $6,000.00 16 Creek Crossing 2 EA $2,000.00 $4,000.00 17 Trench Safety System 1140 LF $3.00 $3,420.00 18 Access Bridge Across Creek LumpSum LS $20,000.00 $20,000.00 19 Wetlands Remediation 2800 SY $4.00 $11,200.00 20 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 21 Restoration and Cleanup LumpSum LS $1, 500.00 $1,500.00 Total W/O State Sales Tax: $174,375.00 Note: Cost Estimate does not include additional easement acquiaition. Item # 12 Bankrun Gravel for Trench Backfill assumes 100% trench backfill with Import Material. Page 1 0 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 ALTERNATIVE NO. 2 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION IN 20TH STREET & JONES AVENUE (OPEN CUT) Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $35,000.00 $35,000.00 2 8 - inch D.I. Sewer Main 625 LF $153.00 $96,625.00 3 8 - inch PVC Sewer Main 240 LF $38.00 $9,120.00 4 Pipe Bedding 865 LF $4.00 $3,460.00 5 New 48" Manhole 2 EA $3,500.00 $7,000.00 6 New MH @ 20th & Jones Avenue LumpSum LS $40,000.00 $40,000.00 7 Connect to Exist. MH. 2 EA $1,200.00 $2,400.00 8 Trench Dewatering LumpSum LS $6,920.00 $6,920.00 9 Reconnect Exist. Sidesewers 12 EA $1,000.00 $12,000.00 10 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 11 Bankrun Gravel for Trench Bkfl. 9150 TON $10.00 $91,500.00 12 Crushed Surfacing (Base Course) 350 TON $17.00 $5,950.00 13 Crushed Surfacing (Top Course) 275 TON $17.00 $4,675.00 14 Temporary Cold Patch 2020 SY $7.00 $14,140.00 15 A.C. Cl. B Pavement Patch 500 TON $65.00 $32,500.00 16 Trench Safety System 865 LF $10.00 $8,650.00 17 Forcemain Temp. Relocation LumpSum LS $3,500.00 $3,500.00 18 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 19 Seeding, Fertilizing, & Mulching 580 SY $1.00 $580.00 20 Restoration and Cleanup LumpSum LS $3,200.00 $3,200.00 Total W/O State Sales Tax: $385,420.00 Note: Item #12 Bankrun Gravel for Trench Backfill assumes 100% Import Material for Trench Backfill. Page 1 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 ALTERNATIVE NO. 3 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION EASTSIDE POHL PROPERTY Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $20,000.00 $20,000.00 2 8 - inch Sewer Main 1020 LF $32.00 $32,640.00 3 Pipe Bedding 1020 LF $4.00 $4,080.00 4 Trench Dewatering LumpSum LS $3,600.00 $3,600.00 5 New 48" Manhole 3 EA $2,300.00 $6,900.00 6 20th St. MH over Exist. Sewer 1 EA $3,000.00 $3,000.00 7 Connect to Exist. 8" stub 1 EA $500.00 $500.00 8 Connect to Exist. MH. 1 EA $1,200.00 $1,200.00 9 6 - inch Sidesewer 30 LF $35.00 $1,050.00 10 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 11 Bankrun Gravel for Trench Bkfl. 3400 TON $10.00 $34,000.00 12 Crushed Surfacing 195 TON $17.00 $3,315.00 13 Temporary Cold Patch 80 SY $7.00 $560.00 14 A.C. Cl. B Pavement Patch 20 TON $75.00 $1,500.00 15 Creek Crossing 1 EA $2,000.00 $2,000.00 16 Trench Safety System 1020 LF $3.00 $3,060.00 17 Access Bridge Across Creek LumpSum LS $20,000.00 $20,000.00 18 Topsoil 30 CY $20.00 $600.00 19 Sod 500 SY $3.50 $1,750.00 20 Seeding, Fertilizing, & Mulching 1470 SY $1.50 $2,205.00 21 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 22 Restoration and Cleanup LumpSum LS $1,500.00 $1,500.00 Total W/O State Sales Tax: $152,660.00 Note: Cost Estimate does not include additional easement acquiaition. Item # 11 Bankrun Gravel for Trench Backfill assumes 100% trench backfill with Import Material. Page 1 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 ALTERNATIVE NO. 4 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION IN 20TH STREET & JONES AVENUE (JACK & BORE) Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $40,000.00 $40,000.00 2 Mobilization for Jack & Bore LumpSum LS $15,000.00 $15,000.00 3 48-inch Steel Casing by Jack & Bore 497 LF $300.00 $149,100.00 4 8 - inch D.I. Sewer Main 502 LF $70.00 $35,140.00 5 8 - inch PVC Sewer Main 368 LF $38.00 $13,984.00 6 Pipe Bedding 368 LF $4.00 $1,472.00 7 New 48" Manhole 2 EA $3,500.00 $7,000.00 8 New MH @ 20th & Jones Avenue LumpSum LS $82,000.00 $82,000.00 9 Install MH over Exist. Sewer (Jones) 1 EA $3,500.00 $3,500.00 10 Connect to Exist. MH. ( 20th Street) 1 EA $1,200.00 $1,200.00 11 Trench Dewatering LumpSum LS $7,000.00 $7,000.00 12 Reconnect Exist. Sidesewers 5 EA $700.00 $3,500.00 13 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 14 Bankrun Gravel for Trench Bkfl. 1350 TON $10.00 $13,500.00 15 Crushed Surfacing (Top Course) 160 TON $17.00 $2,720.00 16 Temporary Cold Patch 585 SY $7.00 $4,095.00 17 A.C. Cl. B Pavement Patch 145 TON $65.00 $9,425.00 18 Trench Safety System incl. Bore Pits 368 LF $10.00 $3,680.00 19 Forcemain Temp. Relocation LumpSum LS $3,500.00 $3,500.00 20 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 21 Seeding, Fertilizing, & Mulching 167 SY $1.00 $167.00 22 Restoration and Cleanup LumpSum LS $2,500.00 $2,500.00 Total W/O State Sales Tax: $407,683.00 Note: Item #12 Bankrun Gravel for Trench Backfill assumes 100% Import Material for Trench Backfill in open cut trench and bore pits. The soils logs indicated large cobbles and the possiblity of boulders within the roadway. The presence of cobbles and boulders may increase the cost of Jacking and Boring. Page 1 Ml'6 (:i Cif 2roo til �` !t c �- 9•h99 �i; 261.65es '7 e _ MH-8 2004 = G -� �•, try $ o _ pp 0 Ll i,' �c .1 J /).`J'• 12+3757 JOJJ�F, G O+QiJ Idf_ 20 G 7tTT G i tdH- T A k i = 2025 267.fl2 BSWI—. 273.66 EF. tq �yi..._... � �6°.' ....... ...... F ...� .� ....... :. :{ o >h { _...... { ...._. ....28 Cli ::::: ti • i ; �[s ......... .......... ........ ......... ' _ as:.a oltlal; - .. - _ . -- - i- LOt olio i PE ::: +:�_'-1 : :: :: (_: �CT14 DATE'. - 09/07/93 16:12 FAX 206 633 6777 SH.A'VNON & WILSON 002 N !� Fri' f i+•,I � x T .j :'r • Rim ash a_ n" • �. Q 4 3 ti M i v __.• c �'` STEEL �an„�n.e _` ` '� � 'Ii - -� --• } • .,��Mqq "�. 14 11 I h■}-pL W I W SEE SHE -if 5 , Q) C < < 26l.85 8S T. ? MH- 8 2004 LU ` wM 41 wN _ a,, ` C J 70! JES A = 0+00 ICE. 20TH sr .. nir hl /1111 a75s 2025 r ' 2f5.66 F. F. f I _r.. .... ....... 47) SOIL DESCRIPTION it o, u_ Standard Penetration Resistance a c r (140 lb. weight, 30" drop) Surface Elevation: Unknown 0 c� ♦ Slows per toot a � � 0 20 40 Asphalt concrete 0.25 PF 0 . . . . . . ... ... . .... . 00, Very loose, yellowish -brown to dark brown, silty, 1 T gravelly, find to medium SAND; organics; moist . . . . . FILL? 2z s 31 :::i::::: Very dense, brown changing to gray at —20' sil 10 •..• ..•................S42:Q/4" gravelly, fine to medium SAND (locally sandy slit); , .......::. . seams of wet slightly silty, medium to coarse sand; cobbles and possilby boulders; moist 5� ' is : :: 50/4" (LOCALLY TILL -LIKE) • 20 .: .. .............. ......., , , .... . 78/10-1 25.5 7s i.:... , , .... 50/3" BOTTOM OF BORING COMPLETED 8-20-93 30 ......................... DRA'a F 40 :.. :...:.........•: SUBJECT TO REVISION DATE: 6 q :: :: ::: ...... ; 50 :............................................... ...........................••:,•............................ LEGEND 0 20 40 Impervious seal • % Water Content Im = 2" O.D. split spoon sample p 3" O.D. thin -wall sample Water level • Sample not recovered Piezometer tip Highgate Sewerline Atterberg limits: P Sample pushed Renton, Washington I----AIL--i-� Liquid limit Natural water content LOG OF BORING B-3 �--- Plastic limit August 1993 W-6574-01 The stratification lines represent the approx. boundaries between soil types, and the transition may be gradual. SHANNON & WILSON, INC. FIG. 4 Geo(Khcvcal and ErrvlronmenU Conaultanm SEP 71 '93 16:33 206 633 6777 PAGE.006 SOIL DESCRIPTION Surface Elevation_ Unknown concrete Loose, light brown, sandy GRAVEL/gravelly SAND; trace of silt; cobbles and possibly boulders; dry (FILL?) Very dense, brown (locally gray), silty, gravelly, fine to medium SAND (locally sandy SILT7; numerous seams of wet, slightly silty to silty, fine to coarse sand; cobbles and possibly boulders; moist (LOCALLY TILL -LIKE) BOTTOM OF BORING COMPLETED 8-20-93 DRAFT SUBJECT TO REVISION DATE: , 16 1 3 AN 18 41 LEGEND Z 2" O.D. split spoon sample impervious seal IT 3" O.D. thin -wall sample Water level Sample not recovered Piezometer tip Atterberg limits: P Sample pushed Liquid limit Natural water content Plastic limit The stratification lines represent the approx. boundaries between soil types, and the transraon may be gradual. a .. ti Standard Penetration Resistance E d (140 lb. weight, 30" drop) cis ♦ Blows per foot 0 20 40 0 , .... . 21 �... :: ......... 31 4= 10 :. ..........:................ ....... .: 5= ; ........ 6T20 ..:...................................... 50/4" .............50 ..... 00/4" 0 20 40 • % Water Content Highgate Sewerline Renton, Washington LOG OF BORING B-2 August 1993 W-6574-01 SHANNON & WILSON, INC. I FIG. 3 GeoteehftW and Emkonmentw C&eviwnt SEP 7 '93 16:33 206 633 6777 PAGE.005 ' SOIL. DESCRIPTION li = a a m 0 cn o Surface Elevation: Unknown C� As halt concrete Crushed rock/gravel 0.51= 2-1 Very dense, brown changing to gray at 161, silty, 3Z gravelly, fine to medium SAND; numerous cobbles 4= and probably boulders: dry to moist (locally TILL -like) 5 19.5 6— BOTTOM OF BORING COMPLETED 8-20-93 NOTE Could not drill any further because of cobbles or boulders. DRAFT SUBJECT TO REVISION DATE: 4 6 LEGEND 3: 2" O.D. split spoon sample Impervious seal 3" O.D. thin -wail sample Water level Sample not recovered r Piezometer tip Atterberg limits: P Sample pushed i----♦--�--- Liquid limit �-- Natural water content Plastic limit The stratification Ilnes represent the approx. boundaries between soil types, and the transition may be gradual. SEP 7 '93 16:33 Highgate Sewerline I Renton, Washington LOG OF BORING B-1 August 1993 W-6574-01 SHANNON & WIISON, INC. FIG. 2 G-tsOrkal end &wjfwwental Ca nuitants 206 633 G777 PAGE.004 k�! SIEVE ANALYSIS I SIZE OF OPENING IN 114CME3 I NUMBER 0 C a - t90 _t—- L Uj —1— Z 64 W SO I__-.._4.------•— LL Z 40It --- -_---— --- 30 - - - NOTE ! 20 -' The size of samples in the above -' h tests was limited the size of 7. t sampler. --- the sampler. In our'opinion. n, the soil �o _ __ also Contains numerous cobbles In _1 r t l I nd b[ b d DRAFT SUBJECT TO REVISION HYDROMETER ANALYSIS �j Q j PER INCH. U.S_ STANDARD yy �•, GpAIN SIZE IN M 30cc W j✓ N C o p O O O O O 0 N O — a o 10 -6 20 50 w fn] Q -- sa U ro u; -- ^ so __—_ mas ns ances a posse y ouf ers 1 -----(see boring logs). . , L ��— I-- I r F- B-2 —' Auger.—t.� �-- r._�_ ' i�-� . I —I— 1 i 90 0 _ _0 rm .. g 0 to 00 0 g 0 0 0 eo rn cl CIOr c—j— ca r o Incl . o; I... '�, `" o too o o o o T GRAIN SIZE IN MILLIMETERS 4 0 0 0 0 0 8 COBBLES COARSE FINEI COARSE MEDIUM GRAVEL SAND FINE FINES SAMPLE No. DEPTH-FIr. U.S.C. CLASSIFICATION HAT. W-C.Lt. PL PI B-1 0.0- SM Gray -brown, silty, gravelly SAND. 8•3 Highgate Sewer Line Extra 5.0 Renton, Washington B-2 0.0- GW Brown, sandy GRAVEL. 2.11 GRAIN SIZE DISTRIBUTION Auger 7.0 B-2 20.0- NFL Brown, slightly gravelly, sandy SILT. 9.3 S-6 21.5 Set 1993 W-6574-01 G. 6 SkANNON & WILSON. IN FIG. Gsotsehnksl Consultants SIEVE ANALYSIS • SIZE of OPENING IN MCQQ7HIES NUMBER O i0 I- x C 3 so } M cc m 60 i LL z 40 w v rr w M 30 0 - - l ;I,---1--- JIB S- 6 ` - f ' 1�___J;�_�._ F -�--��-,- - -• �-�--i.7� L�—�-- - ------�---- �— --- -- Imo:—i—__-� -J._ • —L —i ;_; � 1— I --LL1 - _ NUIE -- The size of samples In the above shown tests was-fB_ AJA 3 ^-'-•'_� - - Ilmited by the size of the sampler. to our opinion, _- i the soli also contains numerous cobbles in mast _ Instances and possibly boulders {see boring logs}. _ L__'- = -s S- ,�, ,---t-- r I- r= .I ,-----T,Tr- r,-.---,-r-,. 1 1- i- DRAFT HYDF101PE3UfWEWSV0 REVS ION PER INCH. U.S.STANDARD y {� GR N STY�pET�IN MM N 0 8 N O d D O ®ram 1. � 3 N D � 3 l O 1� 20 30 F- r w ao 3 } m 50 Cr 0C a ro z w U ro 5 a no so 1DD g p O GDn N O 6 oD Y M 10 f M h .- 01 10 f -t r7 fY ODQ M 14 . N O o Oo i GRAIN SIZE IN MMLIMETERS o a COBBLES COARSE FrME COARSE MEolum FINE FINES GRAVEL SAND � SAMPLE NO. DEPTH -FT. t1.S.C. CLAS5IFJCATION MAT. W.C. % )_L Pk Pi B-3 15.0- SM Brown, silty, gravelly SAND. 8.2 Highgate Server Line S-5 16.5. Renton, Washington GRAIN SIZE DISTRIBUTION B-3 20.0- ML Gray, sandy SILT. 26.5 S-6 21.5 07 Set 1993 W-6574-01 SHANNON A WILSON, INCH Gsotechaicd Consultants FIG. 5 TO: Mr. John Hobson, City of Renton FROM: Robin Nelson, HCW-L /#� AV RE: Highgate Pumpstation Elimination DATE: 9/14/93 Enclosed with this Memo are four Alternatives for construction of a gravity sewer to bypass and eliminate the Highgate Lift Station. The four alternatives consist of jacking and boring under 20th Street and Jones Avenue, open cut along 20th Street and Jones Avenue, open cut along the east and north side of the Pohl property, and the original alignment through the wetlands area. The costs for the Alternatives range from $153,000.00 to $407,000.00. As part of the information enclosed herewith, we have included soils logs completed by Shannon and Wilson, Preliminary Construction cost Estimates, and mapping indicating the proposed alignments. Please note that during the soil borings, the drill rig encountered large cobbles. Shannon and Wilson suspect that the Jacking and Boring alternative may be difficult to complete due the presence of cobbles and boulders. Secondly, contractors have indicated that the only way to insure the grade necessary for this project would consist of utilizing a 48 inch casing. This Alternative would be the most difficult and costly. We look forward to our meeting with, so we may discuss these options further. CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 ALTERNATIVE NO. 1 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION ACROSS POHL PROPERTY Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $15,000.00 $15,000.00 2 8 - inch Sewer Main 1140 LF $32.00 $36,480.00 3 Pipe Bedding 1140 LF $4.00 $4,560.00 4 Trench Dewatering LumpSum LS $3,600.00 $3,600.00 5 New 48" Manhole 4 EA $2,300.00 $9,200.00 6 20th St. MH over Exist. Sewer 1 EA $3,000.00 $3,000.00 7 8 - inch Drop Connection 1 EA $1,500.00 $1,500.00 8 Connect to Exist. MH. 1 EA $1,200.00 $1,200.00 9 Connect to Exist. Sewer 1 EA $500.00 $500.00 10 6 - inch Sidesewer 30 LF $35.00 $1,050.00 11 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 12 Bankrun Gravel for Trench Bkfl. 3800 TON $10.00 $38,000.00 13 Crushed Surfacing 185 TON $17.00 $3,145.00 14 Temporary Cold Patch 260 SY $7.00 $1,820.00 15 A.C. Cl. B Pavement Patch 80 TON $75.00 $6,000.00 16 Creek Crossing 2 EA $2,000.00 $4,000.00 17 Trench Safety System 1140 LF $3.00 $3,420.00 18 Access Bridge Across Creek LumpSum LS $20,000.00 $20,000.00 19 Wetlands Remediation 2800 SY $4.00 $11,200.00 20 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 21 Restoration and Cleanup LumpSum LS $1,500.00 $1,500.00 Total W/O State Sales Tax: Note: Cost Estimate does not include additional easement acquiaition. Item # 12 Bankrun Gravel for Trench Backfill assumes 100% trench backfill with Import Material. $174,375.00 Page 1 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 Item # ALTERNATIVE NO. 2 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION IN 20TH STREET & JONES AVENUE (OPEN CUT) Unit Description Quantity Units Price Total Price 1 Mobilization LumpSum LS $35,000.00 $35,000.00 2 8 - inch D.I. Sewer Main 625 LF $153.00 $95,625.00 3 8 - inch PVC Sewer Main 240 LF $38.00 $9,120.00 4 Pipe Bedding 865 LF $4.00 $3,460.00 5 New 48" Manhole 2 EA $3,500.00 $7,000.00 6 New MH @ 20th & Jones Avenue LumpSum LS $40,000.00 $40,000.00 7 Connect to Exist. MH. 2 EA $1,200.00 $2,400.00 8 Trench Dewatering LumpSum LS $6,920.00 $6,920.00 9 Reconnect Exist. Sidesewers 12 EA $1,000.00 $12,000.00 10 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 11 Bankrun Gravel for Trench Bkfi. 9150 TON $10.00 $91,500.00 12 Crushed Surfacing (Base Course) 350 TON $17.00 $5,950.00 13 Crushed Surfacing (Top Course) 275 TON $17.00 $4,675.00 14 Temporary Cold Patch 2020 SY $7.00 $14,140.00 15 A.C. Cl. B Pavement Patch 500 TON $65.00 $32,500.00 16 Trench Safety System 865 LF $10.00 $8,650.00 17 Forcemain Temp. Relocation LumpSum LS $3,500.00 $3,500.00 18 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 19 Seeding, Fertilizing, & Mulching 580 SY $1.00 $580.00 20 Restoration and Cleanup LumpSum LS $3,200.00 $3,200.00 Total W/O State Sales Tax: $385,420.00 Note: Item #12 Bankrun Gravel for Trench Backfill assumes 100% Import Material for Trench Backfill. Page 1 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 ALTERNATIVE NO. 3 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION EASTSIDE POHL PROPERTY Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $20,000.00 $20,000.00 2 8 - inch Sewer Main 1020 LF $32.00 $32,640.00 3 Pipe Bedding 1020 LF $4.00 $4,080.00 4 Trench Dewatering LumpSum LS $3,600.00 $3,600.00 5 New 48" Manhole 3 EA $2,300.00 $6,900.00 6 20th St. MH over Exist. Sewer 1 EA $3,000.00 $3,000.00 7 Connect to Exist. 8" stub 1 EA $500.00 $500.00 8 Connect to Exist. MH. 1 EA $1,200.00 $1,200.00 9 6 - inch Sidesewer 30 LF $35.00 $1,050.00 10 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 11 Bankrun Gravel for Trench Bkfl. 3400 TON $10.00 $34,000.00 12 Crushed Surfacing 195 TON $17.00 $3,315.00 13 Temporary Cold Patch 80 SY $7.00 $560.00 14 A.C. Cl. B Pavement Patch 20 TON $75.00 $1,500.00 15 Creek Crossing 1 EA $2,000.00 $2,000.00 16 Trench Safety System 1020 LF $3.00 $3,060.00 17 Access Bridge Across Creek LumpSum LS $20,000.00 $20,000.00 18 Topsoil 30 CY $20.00 $600.00 19 Sod 500 SY $3.50 $1,750.00 20 Seeding, Fertilizing, & Mulching 1470 SY $1.50 $2,205.00 21 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 22 Restoration and Cleanup LumpSum LS $1,500.00 $1,500.00 Total W/O State Sales Tax: $152,660.00 Note: Cost Estimate does not include additional easement acquiaition. Item # 11 Bankrun Gravel for Trench Backfill assumes 100% trench backfill with Import Material. Page 1 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 ALTERNATIVE NO. 4 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION IN 20TH STREET & JONES AVENUE (JACK & BORE) Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $40,000.00 $40,000.00 2 Mobilization for Jack & Bore LumpSum LS $15,000.00 $15,000.00 3 48-inch Steel Casing by Jack & Bore 497 LF $300.00 $149,100.00 4 8 - inch D.I. Sewer Main 502 LF $70.00 $35,140.00 5 8 - inch PVC Sewer Main 368 LF $38.00 $13,984.00 6 Pipe Bedding 368 LF $4.00 $1,472.00 7 New 48" Manhole 2 EA $3,500.00 $7,000.00 8 New MH @ 20th & Jones Avenue LumpSum LS $82,000.00 $82,000.00 9 Install MH over Exist. Sewer (Jones) 1 EA $3,500.00 $3,500.00 10 Connect to Exist. MH. ( 20th Street) 1 EA $1,200.00 $1,200.00 11 Trench Dewatering LumpSum LS $7,000.00 $7,000.00 12 Reconnect Exist. Sidesewers 5 EA $700.00 $3,500.00 13 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 14 Bankrun Gravel for Trench Bkfl. 1350 TON $10.00 $13,500.00 15 Crushed Surfacing (Top Course) 160 TON $17.00 $2,720.00 16 Temporary Cold Patch 585 SY $7.00 $4,095.00 17 A.C. Cl. B Pavement Patch 145 TON $65.00 $9,425.00 18 Trench Safety System incl. Bore Pits 368 LF $10.00 $3,680.00 19 Forcemain Temp. Relocation LumpSum LS $3,500.00 $3,500.00 20 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 21 Seeding, Fertilizing, & Mulching 167 SY $1.00 $167.00 22 Restoration and Cleanup LumpSum LS $2,600.00 $2,500.00 Total W/O State Sales Tax: $407,683.00 Note: Item #12 Bankrun Gravel for Trench Backfill assumes 100% Import Material for Trench Backfill in open cut trench and bore pits. The soils logs indicated large cobbles and the possiblity of boulders within the roadway. The presence of cobbles and boulders may increase the cost of Jacking and Boring. Page 1 i L €1 � LF lz j0 WIE S s'PrPf .; A1r C NO i sts9 -r;; ---F AIr r _ R 76r.83 8S 7 2004 t �i�.�=ri? r``- .'fir: '� :=� w;.�..: •�.�- _ _ _ . ter^-----�1• M7 B W +.> _.yam: to OtP IIYJ 1 O j-r Isp Y.Y __ �•+ WM Pp 7-f-77 CD :` •; 1 _ i 267.Q2 85riJ 275-66 FF. r ..:: :: --- jj -- T- _ N , . ..... ... c,.. ;s ,�..... x. to=�: .... —.__..._— iv...... .. _ _ .. 270. . . .... .. •� ...... ..... .. -.... - .. .. .. .._ .. .. ... ; .. :,. , .=.. .. ........ ....... ..._. ._ .... ..... .. ii � .. f a�#L S :Li aKlirla l� .... . ...:: ::::: ::::::: ..� ..... I .... � � ���::.�':;• i _ is e3 �.7:. 8 p� •� - - Y . .n.S �. .... . r }In 4 - �p _ 'ti►" ACT TSUB E'�:' ' DATE: 3 w w �r r,..,^ It.. N ti a o; U' I 4 ITT J 1 N.E. �T S._� -- to BANES AVE. N. E. Vt� A���'rro#�i Loca�ia� lh f, 6'' W o IBOO' •J , 1 � -r-+ tq ' 1 1 � .7t 1, EXICST. SAN. SEWER L IF STATION 3 H i sh sale w' 65 FR A F T 91t�g3 a SuBJE T TO PIEVIsi o asur Mal DATE:.. SOIL DESCRIPTION u: Standard Penetration Resistance a r.3 (140 lb. weight, 30" drop) Surface Elevation_ Unknown 0 cEn 0 � ♦ Blows per foot 0 20 40 Asphalt concrete 0.25 0 Very loose, yellowish -brown to dark brown, silty, ' • ::: ' ' . gravelly, fine to medium SAND; organics; moist :. FiLL7 21: g 3= Very dense, brown changing to gray at •-20', silty, 4-�- 10 *. gravelly, fine to medium SAND (locally sandy silt); ....... 50/2" seams of wet slightly silty, medium to coarse sand; cobbles and possilby boulders; moist 51 : : . . • . . • . . . (LOCALLY TILL -LIKE) ...... . ..... . 20 ....... ....................... • • .... . BOTTOM OF BORING COMPLETED 8-20-93 • . . • • • . . . . • . • • . . 30 .......................... DRAFT 40 ............................... ............:.....:...:..: SUBJECT TO REVISION DATE: q 6 Q ......................... • •..•.t.............................. LEGEND 0 20 40 0 % Water Content 2" O.D. split spoon sample Impervious seal 7 3" O.D. thin -wall sample Water level • Sample not recovered Piezometer tip Highgate Sewerline Atterberg limits: P Sample pushed Renton, Washington ------i-- Lfquid limit �- Natural water content LOG OF BORING B-3 \--- Plastic limit August 1993 W-6574-01 the stratification lines represent the approx. boundaries between soil types, and the transition may be gradual. SHANNON & WILSON, INC. FIG. 4 Ge0lach6GW and ErrvirormrentW Cors"tonm SEP 7 193 16:33 206 633 6777 PAGE.006 SOIL DESCRIPTION Surface Elevation: UnknownCL a� 0 Asphalt concrete 0.9 Loose, light brown, sandy GRAVEIJgravelly SAND; trace of silt; cobbles and possibly boulders; dry (FILL?) 18 Very dense, brown (locally gray), silty, gravelly, fine to medium SAND (locally sandy SIL-0; numerous seams of wet, slightly silty to silty, fine to coarse sand; cobbles and possibly boulders; moist (LOCALLY TILL -LIKE) BOTTOM OF BORING 41 COMPLETED 8-20-93 DRAFT SUBJECT TO REVISION DATE: , ! J LEGEND 12" O.D. split spoon sample Impervious seal a 3" O.D. thin -wall sample Water level w Sample not recovered Piezometer tip Aiterberg limits: P Sample pushed �---��-� Liquid limit �-- Natural water content -- Plastic limit The stratification lines represent the approx. boundaries between soil types, and the transition may be gradual. a ti Standard Penetration Resistance E c R r (140 lb. weight, 30" drop) as cd Co m A Blows per foot ° 0 20 4C 0 ....... .... 2T •: :: ::::'::: 31 4T 10..: ...:...:,.'............ ...........:.............. 5T �: ;:: ........ gT 20 ;..,,,,, ..�.:........., _ .. ,......... ...... .. -0/401 71 8T 30 :........... ............ ..:..:............ • 50/5" sT ::: •::::: 50/5" 10 = '40 ..:..:........., .. .. . .. . , . . . »:..:..:...... ............. .100/4". 50.................... .:........................................ 0 20 40 1 % Water Content Highgate Sewerline I Renton, Washington LOG OF BORING B-2 August 1993 W-6574-01 SHANNON & WILSON, INC. I FIG. 3 GeotWhNal and Ftwironmentw Caa unt SEP 7 '33 16:33 206 633 6777 PAGE.005 SOIL DESCRIPTION Surface Elevation: Unknown Crushed rock/gravel Very dense, brown changing to gray at -161, silty, gravelly, fine to medium SAND; numerous cobbles and probably boulders: dry to moist (locally TILL -like) BOTTOM OF BORING COMPLETED 8-20-93 NOTE Could not drill any further because of cobbles or boulders. DRAFT SUBJECT TO REVISION DATE: 6 3 LEGEND U- m u- Standard Penetration Resistance a c (140 lb. weight, 30" drop) 0 cr? aai Blows per foot n 0.5 1 = 21: 3= 4= 5:E 19.5 6— Z 2" O.D. split spoon sample Impervious seal I[ 3" O.D, thin -wall sample Water level r Sample not recovered r Piezometer tip Atterberg limits: P Sample pushed —'----i-- Liquid limit �--- Natural water content Plastic limit The stratification lines represent the approx. boundaries between soil types, and the transition may be gradual_ Highgate Sewerline Renton, Washington LOG OF BORING B-1 August 1993 W-6574-01 SHANNON & WIISON, INC. I FIG. 2 (3-16 *W and Erneaimanral Carnwstits SEP 7 193 16:32 206 633 6777 PAGE.004 DRAFT SUBJECT TO REV11-3 ) ION SIEVE ANALYSIS HYDROMETER ANA YSIS 3 0 11-3 gRE ar OPENING IN 1 54 UMBER OP MESH PER INCH. U.S_ STA NOAR 0 1 GRAIN SIZE IN IV M 0 C4 100 ca m r� r7 C4 It 0 ct 0 0, 4. 0 go ±4_ - to T T_ so 20 L 30 S2 SO S-6 1 40 50 Cc 50 1" Z A. —A LL ------- Inc -4- Z 40 Extra— so A.- L) 30 fc LLj NOTE A_ 20 --The size of samples In the above so sNown tests was fruited by the size of the sampler. In our Opinion, the soil 10 also roclial"s numerous cobbles In most Inslances and possibly boulders L Auergo c -_ ------ (soo boring logs). o 8 0 0 0 0 7 0 0 0 CO %D Cc to 10.0 PI 0 a to V ci — . . IS 'c t) ef 011AIN SIZE IN MILLIMETERS 1 9 q R 0 0 0 0 0 8 9 COBBLES COARSE FINE ICOARSE I MEDIUM FINE GRAVEL SAND FINES SAMPLE NO. DEPTH -FT. U.S.C. CLASSIFICATION NAT. LI, PL PI W.c.'m B-1 0.0- SM Gray -brown, silty, gravelly SAND. 8.3 Highgate Sewer Line Extra 5.0 Renton, Washington B-2 0.0-- GW Brown, sandy GRAVEL. 2.1GRAIN SIZE DISTRIBUTION 71 Auger 7.0 B-2 20.0- HL Brown, slightly gravelly, sandy SILT. 9.3 S-6 21.5 Set 1993 W-6574-01 SkANNON & WILSON. INC, FIG. 6 .-GootachnIcal Consultants 10C 9a 8C To 2 C �l so } to W 60 z z ao u, V Ir w M 30 20 10 DRAFT SIEVE ANALYSIS HYDnO 1E$I� tffi QTQ0 REVI ION SIZE OF OPENING IN INCHES NUMBER OP MESH PER INCH, LI.T STANDARD GRAIN SIZE IN MM na to N 10 ♦ CI N ~ N f 0 8 C? C O r ` ' N �r4 N D 31 st za _ter 1 30 40 Y Ca so w - - —- - _ - - — --t-i---- -- aC - - NOTE --- - - - - The site of sawp!es III the above shown tests was - --� -1 _:-i_ - _-_ I t-- --- '-t L - - --; - -- 10 6 o limited by the size of the sampler. In our opinion,-- ------ ll>g self also contains numerous cobbles in most --. _,_.._ Instances and tposs" boulders (see boring logs). --- _ �- _-: : V ----i - - _ !_-_ - -- - i� _ - --- 90 Vo 0 ,DO p O OD6 m Y lO.1 COi O m �p f ei N .- VI f M n COBBLES SAMPLE NO. DEPTH -FT. U.S.C. B-3 15.0- SPA S-5 16.5. 21 B--3 20.0- ML S-6 21.5 cn vnliln AiLC 11•� MiI.LIMO 1 tnu CLASSIFICATION Brown, silty, gravelly SAND. Gray, sandy SILT. 'i o 4 p u FINES W C.'x LL I PL PL 8.2 Hi gliga to Sewer Line Renton, Washington GRAIN SIZE DISTRIBUTION 26.5 Set 1993 W-6574-01 SHANNOM 81 WILSON, INC, Gsotachaicai Consultants F��• 5 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 ALTERNATIVE NO. 4 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION IN 20TH STREET & JONES AVENUE (JACK & BORE) Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $40,000.00 $40,000.00 2 Mobilization for Jack & Bore LumpSum LS $15,000.00 $15,000.00 3 48-inch Steel Casing by Jack & Bore 497 LF $300.00 $149,100.00 4 8 - inch D.I. Sewer Main 502 LF $70.00 $35,140.00 5 8 - inch PVC Sewer Main 368 LF $38.00 $13,984.00 6 Pipe Bedding 368 LF $4.00 $1,472.00 7 New 48" Manhole 2 EA $3,500.00 $7,000.00 8 New MH @ 20th & Jones Avenue LumpSum LS $82,000.00 $82,000.00 9 Install MH over Exist. Sewer (Jones) 1 EA $3,500.00 $3,500.00 10 Connect to Exist. MH. ( 20th Street) 1 EA $1,200.00 $1,200.00 11 Trench Dewatering LumpSum LS $7,000.00 $7,000.00 12 Reconnect Exist. Sidesewers 5 EA $700.00 $3,500.00 13 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 14 Bankrun Gravel for Trench Bkfl. 1350 TON $10.00 $13,500.00 15 Crushed Surfacing (Top Course) 160 TON $17.00 $2,720.00 16 Temporary Cold Patch 585 SY $7.00 $4,095.00 17 A.C. Cl. B Pavement Patch 145 TON $65.00 $9,425.00 18 Trench Safety System incl. Bore Pits 368 LF $10.00 $3,680.00 19 Forcemain Temp. Relocation LumpSum LS $3,500.00 $3,500.00 20 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 21 Seeding, Fertilizing, & Mulching 167 SY $1 .00 $167.00 22 Restoration and Cleanup LumpSum LS $2,500.00 $2,500.00 Total W/O State Sales Tax: $407,683.00 Note: Item #12 Bankrun Gravel for Trench Backfill assumes 100% Import Material for Trench Backfill in open cut trench and bore pits. The soils logs indicated large cobbles and the possiblity of boulders within the roadway. The presence of cobbles and boulders may increase the cost of Jacking and Boring. Page 1 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 ALTERNATIVE NO. 2 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION IN 20TH STREET & JONES AVENUE (OPEN CUT) Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $35,000.00 $35,000.00 2 8 - inch D.I. Sewer Main 625 LF $153.00 $95,625.00 3 8 - inch PVC Sewer Main 240 LF $38.00 $9,120.00 4 Pipe Bedding 865 LF $4.00 $3,460.00 5 New 48" Manhole 2 EA $3,500.00 $7,000.00 6 New MH @ 20th & Jones Avenue LumpSum LS $40,000.00 $40,000.00 7 Connect to Exist. MH. 2 EA $1,200.00 $2,400.00 8 Trench Dewatering LumpSum LS $6,920.00 $6,920.00 9 Reconnect Exist. Sidesewers 12 EA $1,000.00 $12,000.00 10 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 11 Bankrun Gravel for Trench Bkfl. 9150 TON $10.00 $91,500.00 12 Crushed Surfacing (Base Course) 350 TON $17.00 $5,950.00 13 Crushed Surfacing (Top Course) 275 TON $17.00 $4,675.00 14 Temporary Cold Patch 2020 SY $7.00 $14,140.00 15 A.C. Cl. B Pavement Patch 500 TON $65.00 $32,500.00 16 Trench Safety System 865 LF $10.00 $8,650.00 17 Forcemain Temp. Relocation LumpSum LS $3,500.00 $3,500.00 18 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 19 Seeding, Fertilizing, & Mulching 580 SY $1.00 $580.00 20 Restoration and Cleanup LumpSum LS $3,200.00 $3,200.00 Total W/O State Sales Tax: $385,420.00 Note: Item #12 Bankrun Gravel for Trench Backfill assumes 100% Import Material for Trench Backfill. Page 1 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 ALTERNATIVE NO. 1 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION ACROSS POHL PROPERTY Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $15,000.00 $15,000.00 2 8 - inch Sewer Main 1140 LF $32.00 $36,480.00 3 Pipe Bedding 1140 LF $4.00 $4,560.00 4 Trench Dewatering LumpSum LS $3,600.00 $3,600.00 5 New 48" Manhole 4 EA $2,300.00 $9,200.00 6 20th St. MH over Exist. Sewer 1 EA $3,000.00 $3,000.00 7 8 - inch Drop Connection 1 EA $1,500.00 $1,500.00 8 Connect to Exist. MH. 1 EA $1,200.00 $1,200.00 9 Connect to Exist. Sewer 1 EA $500.00 $500.00 10 6 - inch Sidesewer 30 LF $35.00 $1,050.00 11 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 12 Bankrun Gravel for Trench Bkfl. 3800 TON $10.00 $38,000.00 13 Crushed Surfacing 185 TON $17.00 $3,145.00 14 Temporary Cold Patch 260 SY $7.00 $1,820.00 15 A.C. Cl. B Pavement Patch 80 TON $75.00 $6,000.00 16 Creek Crossing 2 EA $2,000.00 $4,000.00 17 Trench Safety System 1140 LF $3.00 $3,420.00 18 Access Bridge Across Creek LumpSum LS $20,000.00 $20,000.00 19 Wetlands Remediation 2800 SY $4.00 $11,200.00 20 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 21 Restoration and Cleanup LumpSum LS $1,500.00 $1,500.00 Total W/O State Sales Tax: $174,375.00 Note: Cost Estimate does not include additional easement acquiaition. Item # 12 Bankrun Gravel for Trench Backfill assumes 100% trench backfill with Import Material. Page 1 �,"TIL I TI E1 November 19, 1996 FFICE OF THE HEARING EXAMINER CITY OF RENTON X REPORT AND DECISION APPLICANT: Hedges & Roth Engineering, Inc. Talbot Trunk Variance File No.: LUA-96-116,V LOCATION: 3400 Talbot Road S SUMMARY OF REQUEST: Applicant seeks variance to the Wetland Management Ordinance in order to construct an eight inch sanitary sewer through a Category II wetland. SUMMARY OF ACTION: Development Services Recommendation: Approve with conditions DEVELOPMENT SERVICES REPORT: The Development Services Report was received by the Examiner on October 29, 1996. PUBLIC HEARING: After reviewing the Development Services Report, examining available information on file with the application, field checking the property and surrounding area; the Examiner conducted a public hearing on the subject as follows: MINUTES The following minutes are a summary of the November S, 1996 hearing. The legal record is recorded on tape. The hearing opened on Tuesday, November 5, 1996, at 9:00 a.m. in the Council Chambers on the second floor of the Renton Municipal Building. 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: Vicinity map application, proof of posting, proof of publication and other documentation pertinent to this request. Exhibit No. 3: Offsite drainage, page I of 2 Exhibit No. 4: Offsite drainage, page 2 of 2 Exhibit No. 5: Close-up of project site easements, Exhibit No. 6: Close-up of project site easements, page 2 of 4 page 3 of 4 Exhibit No. 7: Close-up of project site easements, page 4 of 4 Hedges & Roth Engineering, Inc. Talbot Trunk Variance File No.: LUA-96-116,V November 19, 1996 Page 2 The hearing opened with a presentation of the staff report by MARK PYWELL, Project Manager, Development Services, City of Renton, 200 Mill Avenue South, Renton, Washington 98055. The applicant requests a variance from the wetlands ordinance in order to construct an eight inch sanitary sewer through a Category II wetland. The project will consist of approximately 1900 lineal feet of 8 inch pvc for a sanitary sewer main, and approximately 1600 lineal feet of 12 inch cpep pipe for the storm water system. There will also be seven catch basins along the lines. Approximately 115 lineal feet of sewer line will be in the 50 foot buffer of a Category II wetland, and approximately 40 feet of the line will be in a Category II wetland. Approximately 500 feet of the lineal line will be within Category III buffer area and 210 feet of the lineal line will be in Category III wetland areas. The Category III wetland area comes up basically along the southern edge of the western end of the easements and then continues up and crosses the line again to the east of the Category II wetland area. The wetlands that were labeled as Category III were mainly due to the disturbance that has occurred in the past. There were coal mining operations in this area and there is still evidence at the surface level of those coal mine operations, even though the area has become wetland area. These wetlands are not what most would view as wetland areas in that there is no standing water or ponding of the water. It is the geology of the area that forces the underground water to come to the surface and it comes close enough to the surface to create hydric soils and support the plant materials that are consistent with the wetland determinations. There will be a temporary disturbance of about 803 square feet of the Category II wetland, and approximately 4,600 square feet of Category III wetland being disturbed, and also some of their buffer areas. The disturbed areas will be replanted and restored after the completion of the project, but it is the extension of the lines through the wetland area, especially the Category II wetland area that requires a variance. There are a number of standards that the City is asked to review, one of which is whether the applicant suffers an undue hardship that is unique to this site. Staff believes that the applicant suffers an undue hardship due to the topography and special circumstances that are applicable to this area. It was part of the O'Connor preliminary plat that gravity, sanitary sewer and storm water systems were required and brought down Talbot Hill. The wetlands do extend through this area. This has been reviewed by Soos Creek Water & Sewer District, their consultants and City staff in trying to determine a route that was feasible and would still have the minimum impacts upon the wetlands. Staff believes that the variance that is being presented today does meet those requirements, that the granting of the variance will not be materially detrimental to the public welfare or injurious to property or improvements. The wetland area that will be disturbed by this project can be restored after the construction is completed, and it is due to the slope of the terrain that the existing wetlands have been created naturally and it does not provide the detention or retention function for the storm water. Also, the functional quality of these wetlands is minor. The competing public policies have been evaluated and it is determined by the Department Administrator that the public's health, safety and welfare is best served by providing the utility services to this area. The proposed utility lines do conform to the Comprehensive Plan (CP) in that they will allow for the single family residential development that has been identified in the land use plan for this area. Also, they conform to the agreement between the City of Renton and the Soos Creek Water & Sewer District for the provision of utilities in this area. The problem of providing the required services would be fully resolved by the proposed variance, and the applicant will need to design it so that the future maintenance has the least impact upon the wetlands. Future hookups in the area would need to be reviewed at the time they are presented, but to the extent possible will need to be located outside the wetland area. Staff believes that there will be no loss as long as the wetland areas that are disturbed are restored to the same level or greater level of wetland than exists at this time. There Hedges & Roth Engineering, Inc. Talbot Trunk Variance File No.: LUA-96-116,V November 19, 1996 Page 3 are large lot developments in this area, and there are some uplands areas that again could come in for future development and would need to be reviewed at that time. Lots from 4,500 square feet up to an acre have occurred more recently. Staff would recommend approval of the Talbot Trunk Wetland Variance, subject to the conditions contained in the staff report. Condition 2 states that the applicant shall prepare plans for utilities in a manner that locates the manholes outside of the wetland areas and to the extent possible outside of the buffer areas. This plan will need to be prepared to the satisfaction of the Development Services Division. One manhole is located at the western most 90 degree angle bend in the proposed facility. Due to that bend there is the need for a manhole in that area to take care of the bend in the line, and that is located in a Category III wetland. The installation of a maintenance manhole just outside of the wetland area has been discussed. This would be used if there is a blockage in the downstream portion of the line in order that maintenance could be done without having to go into the Category III wetland area. In discussions with City staff representing the utilities, it was felt that the one in the wetland possibly could be allowed as a locked manhole cover and also could be buried and the wetland restored over it. BILL HOLLADAY, Hedges & Roth Engineering, 14450 NE 29th Place, #101, Bellevue, Washington 98007, applicant herein, stated they were the engineers for Soos Creek Water & Sewer District. The City of Renton serves sanitary sewer service from this parcel north and east. This is basically the end of the line for the Soos Creek service area. Soos Creek has existing facilities down at Talbot at SE 72nd. The O'Connor plat is included within this service area. It was determined that the method to serve the O'Connor plat had to be gravity sewers and the least impact was utilizing the north 20 feet of the Speer parcel, along the boundary of the Steigman parcel and through the center of his parcel matching the roadway alignment for the O'Connor plat. Basically the sanitary sewer line once installed will also provide sewer service for these parcels that are zoned R-8. They will have sewer service available which the district is required to provide them, and the sharing of the two utilities in one trench minimizes the impacts of having utilities in different locations. The Soos Creek Water & Sewer District will have a 10 foot permanent easement over their pipe and the City of Renton will have a 10 foot easement over their storm pipe. The City of Renton will own the storm utility; Soos Creek will own the sanitary sewer facility. It is typical backhoe trench construction to be confined within that temporary permit area. The pipe is buried, it is backfilled, the native materials and/or required backfill imported material is put down. The top 6 to 12 inches is redone with the native hydric soils from the wetlands that would be stockpiled while they are there and the vegetation replaced. With reference to the manhole being in the wetland, there is nothing to be done about that. Any time the pipe bends 90 degrees, a manhole is needed. Typically when the sewer line is in the ground there is no maintenance involved unless there is some type of functioning problem such as a clogged line or a break which is very uncommon. The manhole is 48 inches in diameter, a concrete structure. We could locate an additional manhole outside the wetland in the buffer and put a note on the plans and/or provide a letter to the City from the sewer district that says we will lock this lid and bury this one, and utilize this one for access unless there is some type of emergency. The manhole is actually on the Gannon parcel. ED SEWALL, 13-12 Associates, 1103 West Meeker, #C, Kent, Washington 98032, wetland consultant for the applicant, gave a general description of the wetlands on the site. The hillside that the easement runs through basically is covered with third growth deciduous forest. Most of the area has been heavily disturbed by the Hedges & Roth Engineering, Inc. Talbot Trunk Variance File No.: LUA-96-116,V November 19, 1996 Page 4 historic Spring Glen coal mine, especially in the area on the very west half of the easement where it appears that the old portal was located and the tailings were spread out throughout much of the area that now meets wetland criteria. The portion at the western half of these wetlands has substantial disturbance that now is vegetated with blackberries and some herbaceous plants. In running the sewer line through this type wetland, one of the difficulties with mitigating the wetland disturbance per the Renton ordinance is that the ratios that are required for Category II and Category III wetlands are 1-1/2 to 1 for the III, and 3 to 1 for the II, and the easement area is almost entirely wetland and buffer. There is really no area that isn't already a wetland or buffer to mitigate in. The second feature of these wetlands that makes them difficult to mitigate is that they are hillside seep type wetland where they are located on a slope where ground water is providing most of the hydrology to the wetland. There is also precipitation runoff that runs down through these areas and in the low spots creates wetland conditions. That type of wetland is very difficult to create. The hydrology is hard to recreate in going to an upland area and excavating out and trying to get that type of hydrology. Restoring wetland in the same topographic and geologic location is fairly straightforward on this type of location. It is proposed that once the line has been cut and placed in and regraded to the original grade, a dense planting of native trees and shrubs that are indigenous to this site would be done. JEFF JAEGER, Jaeger Engineering, 9419 S. 204th, Kent, Washington 98031, stated that he was the engineer for the O'Connor plat and that his firm had designed the storm drainage downstream tight line from the O'Connor plat to Talbot Road. This storm line will be installed alongside the sewer line using the same corridor and using the same wetlands variance. The storm line is designed to handle flows from adjacent developments when they should happen. In discussions with the City, it was decided to increase the size of the storm line from 12 inch to 18 inch during the lower half. Basically the section north of the Speer property. That is to give adequate capacity to handle potential developments that would come in between the O'Connor plat and Talbot Road. The potential maintenance on this project is reduced by the fact that the slopes on these sites are fairly significant. Because of that there will be very swift velocities which tend to self -clean the.pipe as they go down. The potential for any type of clogging or maintenance activity on a pipeline such as this versus a pipeline that is fairly flat is quite remote. KAYREN KITTRICK, Plan Review, Development Services Division, City of Renton, 200 Mill Avenue S, Renton, Washington 98055, explained that the City and Soos Creek each has a 15 foot easement and that they overlap 5 feet to make a total of 20 feet wide. This agreement was to maintain separation distances between the two utilities so that maintenance on one would not disturb the other. It was also to provide enough width or space to work in, and to minimize the affect on the wetlands. WILLIAM LEAVY, 3400 Talbot Road South, Renton, Washington 98055, asked why the lines were being routed through these particular properties down to connect with Talbot, when it seemed that the purported reason for developing these lines is for the O'Connor flat which is much closer to Benson Road. It was explained to him that it was basically because of gravity, and also that the Soos Creek sewer line is at the bottom on Talbot Road. There is nowhere else for Soos Creek to hook into. Pumps could possibly have been used for the sewer system, but could not have been used for the storm water. As a practical matter a line would still have to go downhill and therefore both of them are downhill. Hedges & Roth Engineering, Inc. Talbot Trunk Variance File No.: LUA-96-116,V November 19, 1996 Page 5 A discussion between Mr. Leavy and Mr. Holladay ensued regarding the easement across Mr. Leavy's property. The Examiner called for further testimony regarding this project. There was no oneelse wishing to speak, and no further comments from staff. The hearing closed at 9:55 a.m. FINDINGS, CONCLUSIONS & DECISION Having reviewed the record in this matter, the Examiner now makes and enters the following: FINDINGS: The applicant, Hedges and Roth Engineering, Inc., filed a request for approval of a variance from the Wetland Management Ordinance. 2. The yellow file containing the staff report, the State Environmental Policy Act (SEPA) documentation and other pertinent materials was entered into the record as Exhibit # 1. 3. The Soos Creek Water and Sewer District, the responsible official, issued a Determination of Non - Significance (DNS) for the subject proposal. 4. The subject proposal was reviewed by all departments with an interest in the matter. The project consists of two overlapping easement corridors that would contain a sewer line and a storm water line. The lines are intended to serve the approved O'Connor plat located west of SR-515. The lines would connect to Talbot Road South on the west and be located south of S 32nd Street. 6. The companion corridors cross through both Category II and Category III wetlands and wetland buffers. Approximately 115 lineal feet of corridor would cross through the 50 foot Category H buffer. Approximately 40 lineal feet will be within the wetland itself. Approximately 500 lineal feet of corridor would cross through the Category III buffer, while approximately 210 lineal feet will be within the Category III wetland. 7. These wetlands are located on sloping terrain which drops from approximately 230 feet on the east to approximately 90 feet near Talbot Road. The wetland areas are not open, standing or ponded water, but wet surface soils approximately 6 inches to 12 inches deep. The area is underlain by a somewhat impermeable clay layer. This clay layer prevents penetration of surface water and results in the damp top layers. Both wetland types are located on areas which have been disturbed in the past by development and former coal mining activities. 8. The corridor runs approximately 1,500 feet from east to west. There is a north to south jog of approximately 150 feet approximately 1,000 from Talbot Road South. There will be approximately 1,930 feet of 8 inch pvc sewer line installed in one easement. The adjoining storm line will contain approximately 1,600 feet of 12 inch and 18 inch cpep pipe. The 18 inch segment will be along the lower half of the run to serve properties located closer to Talbot as well as the initial site. 9. The lines will be buried between approximately 12 and 20 feet deep. Materials will be stockpiled along the corridor limiting the extent of the areas that are disturbed. Hedges & Roth Engineering, Inc. Talbot Trunk Variance File No.: LUA-96-116,V November 19, 1996 Page 6 10. The applicant proposes backfilling the trenches with the original materials and restoring the surface hydric soils to maintain the wetland functions at the surface. 11. The eastern -most approximately 500 foot segment crosses through the middle of an existing property following the alignment of roadway proposed for the O'Connor plat. Thereafter, the line follows property lines which account for the 150 foot north to south jog. Affected property owners have been contacted regarding easements or options for this corridor. No wetland area is affected by the segment near Talbot. 12. The overlapping corridors will be a joint proposal by the City of Renton and the Soos Creek Sewer District. The City will be providing the storm water service while the district has jurisdiction for sewers in this area. Maintenance will be the responsibility of those respective organizations. Each easement will be 15 feet wide with a common five feet of what might be described as the center of the corridor overlapping the corresponding five feet of the other, providing a total width of 20 feet. 13. The breakdown in square footage as opposed to linear dimensions would be a disturbance of 803 square feet and 2,321 square feet of the Class II wetlands and wetlands buffer, respectively, and 4,699 square feet and 10,909 square feet in the Wetlands III wetlands and wetlands buffer. CONCLUSIONS: 1. The applicant for a variance from the wetlands ordinance has to comply with the criteria found in Section 4-32-5H1. Those criteria, enumerated in part below, require: a. That the applicant suffers undue hardship and the variance is necessary because of special circumstances applicable to the subject property, including the size, shape, topography, location or surroundings of the subject property, and the strict application of the Zoning Code is found to deprive subject property owner of rights and privileges enjoyed by other property owners in the vicinity and other identical zone classification; and b. That the granting of the variance will not be materially detrimental to the public welfare or injurious to property or improvements in the vicinity and zone in which the property is situated; and C. Governmental projects have been balanced to assure that they comply with both the Comprehensive Plan and other regulations. d. No reasonable alternatives exist. 2. The topography of the area is such that both the storm water and sewer lines will need to connect to lines downhill from the proposed plat. Gravity feed lines are the only method of managing the storm water, and while pump stations can sometimes be used for sanitary sewer waste, the need for a storm line down the hillside makes it more than reasonable to provide a similar gravity system for sanitary sewer. 3. Approval of a variance will not be materially detrimental to the public welfare and a gravity line actually makes the system more fail-safe than attempting to use any type of pump or lift station which could be affected by power failures. Hedges & Roth Engineering, Inc. Talbot Trunk Variance File No.: LUA-96-116,V November 19, 1996 Page 7 4. The nature of the terrain makes the location of the proposed corridor the only natural method and shifting the corridor slightly in one or the other direction would probably not lessen the impacts to these Class II and III wetlands and buffer areas. The corridor was chosen to lessen the impacts on the wetland and buffers. Economic feasibility is not really at issue here, with the dictates of terrain and gravity being the deciding factors. Changes in density and timing would not eliminate the need for a line since sanitary sewer waste needs to be managed in a closed system and conveyed off the site. The applicant proposes restoring and enhancing the wetland characteristics and particularly restoring the surface characteristics of the disturbed areas. The applicant also will be working in as narrow a corridor as possible and the two jurisdictions have agreed to narrow the corridor by using overlapping, side by side easements to minimize the impacts to the wetlands. 7. In conclusion, it appears that given the nature of the topography and the need to provide services to an area designed for reasonable urban growth, that the proposed line and therefore the variance necessary to accommodate that line is appropriate. DECISION: The Variance from the provisions of the Wetlands Management Ordinance is approved subject to the following conditions: The applicant shall submit a final wetland's mitigation report to the satisfaction of the Development Services Division (DSD) prior to the issuance of any permits for this project. This report shall include, but not be limited to, a plan for the restoration of all disturbed wetland and wetland buffer areas and a monitoring plan in accordance with the Wetland Management Ordinance. 2. The applicant, as reasonable, shall prepare plans for the utilities in a manner that locates the manholes outside the wetland areas and to the extent possible outside of the wetland buffer areas. These plans will be prepared to the satisfaction of the DSD and submitted prior to the issuance of construction permits. All easements shall also be designated to the City of Renton for utilities construction and inspection access and maintenance. 4. A construction plan indicating haul route and hours, construction hours and a traffic control plan shall be submitted for approval prior to any permit being issued. Haul hours shall be restricted to 8:30 a.m. to 3:30 p.m. unless approved in advance by DSD. Construction hours shall be limited to between 7:00 a.m. and 7:00 p.m. Monday through Friday, Saturdays as arranged with the DSD, but no hours in excess of the weekday hours, and no Sunday construction. 6. Temporary erosion control shall be installed and maintained to the satisfaction of the representative of the DSD for the duration of the project. Hedges & Roth Engineering, Inc. Talbot Trunk Variance File No.: LUA-96-116,V November 19, 1996 Page 8 ORDERED THIS 19th day of November, 1996. W mug \ I ►tom ■I :1 .: Ml TRANSMITTED THIS 19th day of November, 1996 to the parties of record: Mark Pywell Bill Holladay Ed Sewall 200 Mill Avenue S 14450 NE 29th Place, #101 1103 West Meeker, #C Renton, WA 98055 Bellevue, WA 98007 Kent, WA 98032 James Jaeger 9419 S 204th Kent, WA 98031 Jerry Woods 17712 SE Petrovitsky Renton, WA 98058 . Marilyn Guerra 931 S 32nd Street Renton, WA 98055 Ron Speer, District Manager Soos Creek Water & Sewer P.O. Box 58039 Renton, WA 98058-1039 Kayren Kittrick 200 Mill Avenue S Renton, WA 98055 Doug Nelson 819 South 32nd Street Renton, WA 98055 Deborah Hansen 807 S 32nd Street Renton, WA 98055 TRANSMITTED THIS 19th day of November, 1996 to the following: Mayor Jesse Tanner Members, Renton Planning Commission Art Larson, Fire Marshal Lawrence J. Warren, City Attorney Transportation Systems Division Utilities System Division Valley Daily News William Leavy 3400 Talbot Road S Renton, WA 98055 Henry Milles P.O. Box 59241 Renton, WA 98058 Tom O'Connor 1707 S. 341st Place, #C Federal Way, WA 98003 Gregg Zimmerman, Plan/Bldg/PW Administrator Jim Hanson, Development Services Director Mike Kattermann, Technical Services Director James Chandler, Building Official Jay Covington, Mayor's Executive Assistant Councilperson Kathy Keolker-Wheeler 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., December 3, 1996. Any aggrieved person feeling that the decision of the 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 Hedges & Roth Engineering, Inc. Talbot Trunk Variance File No.: LUA-96-116,V November 19, 1996 Page 9 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 and 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. R-8 r—_ VICINITY MAP 2-N 4 &Irl-ft i: cil, fi. 0 67. f3 .0.8. IV 43. r -7 R R--lo R-8 lit w V ��pQ m.o l a W�� • e e e o lG I of e 9g u y l: u o NON wo ra .Dons% iz c s ccv.w nqs z tan. 96 •Cwt, .. tp]t RwIN b'• 111 ))) KeungI iF .o,-. Ass �����yy{{�� • • • ��C!'41 :"4!7� ' • —T OfYlt7to-1 II t i' 1 Jw I, .Dt .N� C.+ 141.1 OJ'St /'"4CORD_ CERTIFICATE OF LIABILITY INSURANCE CSR LB DATE(MM/DD/YY) HAMCO-1 07/23/96 PRODUCER C THIS CERTIFICATE IS ISSUED AS A MATTER OF INFORMATION i ONLY AND CONFERS NO RIGHTS UPON THE CERTIFICATE Hurley, Atkins & Stewart, Inc. HOLDER. THIS CERTIFICATE DOES NOT AMEND, EXTEND OR 1800 Ninth Ave., #1500 ALTER THE COVERAGE AFFORDED BY THE POLICIES BELOW. Seattle WA 98101 L COMPANIES AFFORDING COVERAGE COMPANY A American Economy Insurance Co COMPANY Sheri Huntington Phone No. 206-682-5656 Fax No. INSURED B Associated Int'1 Insurance Co Hammond Collier & Wade Livingstone Assoc Inc COMPANY C 4010 Stone Way N. , Suite 300 Seattle WA 98103 COMPANY D COVERAGES THIS IS TO CERTIFY THAT THE POLICIES OF INSURANCE LISTED BELOW HAVE BEEN ISSUED TO THE INSURED NAMED ABOVE FOR THE POLICY PERIOD INDICATED, NOTWITHSTANDING ANY REQUIREMENT, TERM OR CONDITION OF ANY CONTRACT OR OTHER DOCUMENT WITH RESPECT TO WHICH THIS CERTIFICATE MAY BE ISSUED OR MAY PERTAIN, THE INSURANCE AFFORDED BY THE POLICIES DESCRIBED HEREIN IS SUBJECT TO ALL THE TERMS, EXCLUSIONS AND CONDITIONS OF SUCH POLICIES. LIMITS SHOWN MAY HAVE BEEN REDUCED BY PAID CLAIMS. CO LTR TYPE OF INSURANCE POLICY NUMBER POLICY EFFECTIVE DATE (MM/DD/VV) POLICY EXPIRATION DATE (MM/DD/VY) LIMITS GENERAL LIABILITY GENERAL AGGREGATE 9 2,000,000 A X COMMERCIAL GENERAL LIABILITY 02CCO529090 07/15/96 07/15/97 PRODUCTS - COMP/OPAGG 62,000,000 CLAIMS MADE LdL I OCCUR PERSONAL & ADV INJURY $ 1,000,000 EACH OCCURRENCE $ 1,000,000 OWNER'S & CONTRACTOR'S PROT WA StoF, Gap i I X FIRE DAMAGE (Any one fire) $ 50,000 MED EXP (Any one person) $ 5,000 AUTOMOBILE —� j LIAB UTY ANY AUTO COMBINED SINGLE LIMIT $ BODILY INJURY (Per person) 4 ALL OWNED A UTOS SCHEDULED AUTOS BODILY INJURY (Per accident) 6 HIRED AUTOS NON -OWNED AUTOS L�l PROPERTY DAMAGE $ i GARAGE LIABILITY ANY AUTO D AUTO ONLY - EA ACCIDENT $ OTHER THAN AUTO ONLY: EACH ACCIDENT $ AGGREGATE $ EXCESS LIABILITY x J i EACH OCCURRENCE $ UMBRELLA FORM JU / AGGREGATE $ $ ~ 1 OTHER THAN UMBRELLA FORM v WORKERS COMPENSATION AND / 7-�i EMPLOYERS' LIABILITY G f' n !' THE PROPRIETORi PARTNERS/EXECUTIVE { P INCL ! "gineeri lea WC STATU- I IOE TORY LIMITS ER EL EACH ACCIDENT 4 EL DISEASE - POLICY LIMIT $ EL DISEASE - EA EMPLOYEE OFFICERS ARE: EXCL L. OTHER B Professional AEP450617C 07/15/96 07/15/97 11000,000 Each claim Liability & in the Aggregate DESCRIPTION OF OPERATIONS/LOCATIONSNEHICLES/SPECIAL ITEMS RE: Renton Fugate Sewer Pump Station Replacement. The City of Renton is an additional insured on the General Liability as respects work performed by the named insured. CERTIFICATE HOLDER CANCELLATION RENCI - 2 SHOULD ANY OF THE ABOVE DESCRIBED POLICIES BE CANCELLED BEFORE THE EXPIRATION DATE THEREOF, THE ISSUING COMPANY WILL AhW.M ^& TO MAIL 45 DAYS WRITTEN NOTICE TO THE CERTIFICATE HOLDER NAMED TO THE LEFT, City of Renton { DUT TII1LYIli TO A"^" C"ru unnrc cunt i in oncF un nut �r nnnu ne iewu Iry Dept. of Public Works 1 Attn: Dave Christensen AUTHORIZED REPRESENTATIVE Sheri Huntington` 200 Mill Ave. So. Renton WA 98055 ACORD 25-S (1195) ©ACORD CORPOR N 1988 ACORD-, CERTIFICATE OF LIABILITY INSURANCE CSR LB DATE(MM/DD/YY) -- HAMCO-1 07/23/96 PRODUCER THIS CERTIFICATE IS ISSUED AS A MATTER OF INFORMATION ONLY AND CONFERS NO RIGHTS UPON THE CERTIFICATE Hurley, Atkins & Stewart, Inc. HOLDER. THIS CERTIFICATE DOES NOT AMEND, EXTEND OR 1800 Ninth Aire., #1500 ALTER THE COVERAGE AFFORDED BY THE POLICIES BELOW. COMPANIES AFFORDING COVERAGE Seattle WA 913101 COMPANY A American Economy Insurance Co Sheri Huntington PnoneNo. 206-682-5656 FexNo. INSURED COMPANY B Associated Int'1 Insurance Co COMPANY C d Hammond Collier & Wade Livingstone Assoc Inc 4010 Stone Way N. , Suite 300 Seattle WA 98103 COMPANY D COVERAGES THIS IS TO CERTIFY THAT THE POLICIES OF INSURANCE LISTED BELOW HAVE BEEN ISSUED TO THE INSURED NAMED ABOVE FOR THE POLICY PERIOD INDICATED, NO-1IVITHSTANDING ANY REQUIREMENT, TERM OR CONDITION OF ANY CONTRACT OR OTHER DOCUMENT WITH RESPECT TO WHICH THIS CERTIFICATE MA BE ISSUED OR MAY PERTAIN, THE INSURANCE AFFORDED BY THE POLICIES DESCRIBED HEREIN IS SUBJECT TO ALL THE TERMS, EXCLUSIONS AND CONDITIONS OF SUCH POLICIES. LIMITS SHOWN MAY HAVE BEEN REDUCED BY PAID CLAIMS. CO '�TYPE OF INSURANCE POLICY NUMBER LT9 POLICY EFFECTIVE POLICY EXPIRATION DATE (MM/DD/YYI DATE (MM/DD/YY) LIMITS GENERAL LIABILITY GENERAL AGGREGATE 3 2,000,000 X PRODUCTS - COMP/OPAGG 52,000,000 A COMMERCIAL GENERAL LIABILITY 02CCO529090 07/15/96 07/15/97 CLAIMS IAADE C OCCUR PERSONAL & ADV INJURY S 1,000,000 OWNER'S &C PROT EACH OCCURRENCE $ 1,000,000 X FIRE DAMAGE (Any one fire) S 50,000 WONTRACTOR'S A S`tOFI Gap I MED EXP (Any one person) $ 5,000 AUTOMOBILE LIABILITY COMBINED SINGLE LIMIT S ANY AUTO BODILY INJURY (Per person) $ ALL OWNED F.UTOS SCHEDULED AUTOS BODILY INJURY (Per accident) $ HIRED AUTOS NON -OWNED AUTOS PROPERTY DAMAGE $ GARAGE LIABILITY ANY AUTO i C1 !, ,u,�� w 777 AUTO ONLY - EA ACCIDENT $ OTHER THAN AUTO ONLY: EACH ACCIDENT S I, AGGREGATE 8 EXCESS LIABILITY JUL 2 51996 EACH OCCURRENCE_ $ AGGREGATE $ UMBRELLA FORM _ WC STATU- OTH- TORY LIMITS ER $ OTHER THAN UMBRELLA FORM C l T�/ . WORKERS COMPENSATION AND �+—� j EMPLOYERS' LIABILITY Engin ee TON ng DeNI EL EACH ACCIDENT $ Inc PROPRIETOR/ I� INCL PARTNERS/EXECUTIVE OFFICERS ARE: EXCL EL DISEASE - POLICY LIMIT $ EL DISEASE - EA EMPLOYEE --- S !OTHER B (Professional AEP450617C 07/15/96 07/15/97 11000,000 Each claim Liability & in the Aggregate DESCRIPTION OF OPERA TIONS/LOCATIONS/V EHICLES/SPECIAL ITEMS RE: Central Renton Sewer Replacement Addendum #1• Task Order #5(CAG-91-005)„ The City of Renton is an additional insured on t{ze General Liability as respects work performed by the named insured. CERTIFICATE HOLDER CANCELLATION RENC.+I - 1 SHOULD ANY OF THE ABOVE DESCRIBED POLICIES BE CANCELLED BEFORE THE EXPIRATION DATE THEREOF, THE ISSUING COMPANY WILL fiND& U" TO MAIL 45 DAYS WRITTEN NOTICE TO THE CERTIFICATE HOLDER NAMED TO THE LEFT, City Of Renton Attr.L: John D. Hobson 200 Mill Ave. S• . Renton WA 98055 AUTHORIZED REPRESENTATIVE Sheri Huntington, ACORD 25-S (1/95) "ACORD CORPORA N n198 HAMMOND, COLLIER & WADE — LIVINGSTONE ASSOCIATES, INC. CONSULTING ENGINEERS LARRY R. WADE. P.E. BRUCE LIVINGSTONE. P.E. FREDERICK G. KERN. P.E. HAROLD E RAYNARD, P.E. JOHN D. LEE. P.E. JOHN D. HENDRON. P.E. ROBERT E. BERGSTROM. P.E. DON PHELPS. P.E. DEANNE M. REYNOLDS. P.E. LAWRENCE E. RIEGERT. P.E. PROFESSIONAL SERVICES SINCE 1943 4010 STONE WAY NORTH SEATTLE. WASHINGTON 98103-8090 TELEPHONE (206) 632-2664 1-800-562-7707 FAX (206) 632-0947 July 27, 1993 Mr. John Hobson, Project Manager Department of Public Works Municipal Building 200 Mill Avenue South Renton, Washington 98055 RE: Highgate Pump Station Elimination Dear Mr. Hobson: KENNETH L EDINGTON, P L.S. DALE D. ERDAHL. P.L.S. ROBERT G. GREENE, P.L.S. JUDY FREEBORN. ASLA TIM JONES. AIA Enclosed herewith are two (2) preliminary construction cost estimates for the above referenced project. The preliminary cost estimates represent two (2) alternatives for elimination of the Highgate Pump Station with providing an 8-inch gravity sewer. The first alternative would involve placing an 8- inch gravity sewer across the Pohl property and discussed in our earlier meeting, the second would involve placing an 8-inch gravity sewer in 20th Street and Jones Avenue. The preliminary cost estimates for the two alternatives are $175,000.00 and $360,000.00 respectively. The later alternative would require a 33 foot deep sewer installation at the intersection of Jones Avenue and 20th Street. Included in both cost estimates are quantities for bank run gravel for trench backfill. These quantities assume 100 percent import trench backfill, due to lack of soils information for each site. For the deeper sewer construction alternative within Jones Avenue and 20th Street, we recommend soils investigation consisting of boring logs and test pits to further evaluate the existing soils at this great depth. We look forward to our meeting on July 27, 1993, to further discuss these alternatives. If you have any questions regarding this matter, please feel free to call. Sincerely, HAMMOND, COLLIER & WADE - LIVINGSTONE ASSOCIATES, INC. 4 41faj� Robin Nelson Enclosures RN/jlm \working\ne1son\L001 RN CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION IN 20TH STREET & JONES AVENUE Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $32,000.00 $32,000.00 2 8 - inch D.I. Sewer Main 625 LF $153.00 $95,625.00 3 8 - inch PVC Sewer Main 240 LF $38.00 $9,120.00 4 Pipe Bedding 865 LF $4.00 $3,460.00 5 New 48" Manhole 2 EA $3,500.00 $7,000.00 6 New MH @ 20th & Jones Avenue LumpSum LS $17,200.00 $17,200.00 7 Connect to Exist. MH. 2 EA $1,200.00 $2,400.00 8 Trench Dewatering LumpSum LS $6,920.00 $6,920.00 9 Reconnect Exist. Sidesewers 12 EA $1,000.00 $12,000.00 10 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 11 Bankrun Gravel for Trench Bkfl. 9150 TON $10.00 $91,500.00 12 Crushed Surfacing (Base Course) 350 TON $17.00 $5,950.00 13 Crushed. Surfacing (Top Course) 275 TON $17.00 $4,675.00 14 Temporary Cold Patch 2020 SY $7.00 $14,140.00 15 A.C. Cl. B Pavement Patch 500 TON $65.00 $32,500.00 16 Trench Safety System 865 LF $10.00 $8,650.00 17 Forcemain Temp. Relocation LumpSum LS $3,500.00 $3,500.00 18 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 19 Seeding, Fertilizing, & Mulching 580 Sy $1.00 $580.00 20 Restoration and Cleanup LumpSum LS $3,200.00 $3,200.00 Total W/O State Sales Tax: $359,620.00 Note: Item #12 Bankrun Gravel for Trench Backfill assumes 100% Import Material for Trench Backfill. Page 1 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION ACROSS POHL PROPERTY Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $15,000.00 $15,000.00 2 8 - inch Sewer Main 1140 LF $32.00 $36,480.00 3 Pipe Bedding 1140 LF $4.00 $4,560.00 4 Trench Dewatering LumpSum LS $3,600.00 $3,600.00 5 New 48" Manhole 4 EA $2,300.00 $9,200.00 6 20th St. MH over Exist. Sewer 1 EA $3,000.00 $3,000.00 7 8 - inch Drop Connection 1 EA $1,500.00 $1,500.00 8 Connect to Exist. MH. 1 EA $1,200.00 $1,200.00 9 Connect to Exist. Sewer 1 EA $500.00 $500.00 10 6 - inch Sidesewer 30 LF $35.00 $1,050.00 11 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 12 Bankrun Gravel for Trench Bkfl. 3800 TON $10.00 $38,000.00 13 Crushed Surfacing 185 TON $17.00 $3,145.00 14 Temporary Cold Patch 260 SY $7.00 $1,820.00 15 A.C. Cl. B Pavement Patch 80 TON $75.00 $6,000.00 16 Creek Crossing 2 EA $2,000.00 $4,000.00 17 Trench Safety System 1140 LF $3.00 $3,420.00 18 Access Bridge Across Creek LumpSum LS $20,000.00 $20,000.00 19 Wetlands Remediation 2800 SY $4.00 $11,200.00 20 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 21 Restoration and Cleanup LumpSum LS $1,500.00 $1,500.00 Total W/O State Sales Tax: $174,375.00 Note: Cost Estimate does not include additional easement acquiaition. Item # 12 Bankrun Gravel for Trench Backfill assumes 100% trench backfill with Import Material. Page 1 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 d PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION IN 20TH STREET & JONES AVENUE Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $32,000.00 $32,000.00 2 8 inch D.I. Sewer Main 625 LF:$3,500.00 $95,625.00 3 8 inch PVC Sewer Main 240 LF.00 $9,120.00 4 Pipe Bedding 865 LF00 $3,460.00 5 New 48" Manhole 2 EA $7,000.00 6 New MH @ 20th & Jones Avenue LumpSum LS 00.0 $17,200.00 7 Connect to Exist. MH. 2 EA $1,200.00 $2,400.00 8 Trench Dewatering LumpSum LS $6,920.00 $6,920.00 9 Reconnect Exist. Sidesewers 12 EA $1,000.00 $12,000.00 10 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 11 Bankrun Gravel for Trench Bkfl. 9150 TON $10.00 $91,500.00 12 Crushed Surfacing (Base Course) 350 TON $17.00 $5,950.00 13 Crushed Surfacing (Top Course) 275 TON $17.00 $4,675.00 14 Temporary Cold Patch 2020 SY $7.00 $14,140.00 15 A.C. Cl. B Pavement Patch 500 TON $65.00 $32,500.00 16 Trench Safety System 865 LF $10.00 $8,650.00 17 Forcemain Temp. Relocation LumpSum LS $3,500.00 $3,500.00 18 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 19 Seeding, Fertilizing, & Mulching 580 SY $1.00 $580.00 20 Restoration and Cleanup LumpSum LS $3,200.00 $3,200.00 Total W/O State Sales Tax: $359,620.00 Note: Item #12 Bankrun Gravel for Trench Backfill assumes 100% Import Material for Trench Backfill. Page 1 CONSULTANT: Hammond, Collier, & Wade - Livingstone Associates, Inc. OWNER: City of Renton PROJECT: Highgate Pump Station Elimination JOB NO.: 93007 PRELIMINARY CONSTRUCTION COST ESTIMATE SEWER INSTALLATION ACROSS POHL PROPERTY Unit Total Item # Description Quantity Units Price Price 1 Mobilization LumpSum LS $15,000.00 $15,000.00 2 8 - inch Sewer Main 1140 LF $32.00 $36,480.00 3 Pipe Bedding 1140 LF $4.00 $4,560.00 4 Trench Dewatering LumpSum LS $3,600.00 $3,600.00 5 New 48" Manhole 4 EA $2,300.00 $9,200.00 6 20th St. MH over Exist. Sewer 1 EA $3,000.00 $3,000.00 7 8 - inch Drop Connection 1 EA $1,500.00 $1,500.00 8 Connect to Exist. MH. 1 EA $1,200.00 $1,200.00 9 Connect to Exist. Sewer 1 EA $500.00 $500.00 10 6 - inch Sidesewer 30 LF $35.00 $1,050.00 11 Remove & Replace Unsuit. Matrl. 100 CY $12.00 $1,200.00 12 Bankrun Gravel for Trench Bkfl. 3800 TON $10.00 $38,000.00 13 Crushed Surfacing 185 TON $17.00 $3,145.00 14 Temporary Cold Patch 260 SY $7.00 $1,820.00 15 A.C. Cl. B Pavement Patch 80 TON $75.00 $6,000.00 16 Creek Crossing 2 EA $2,000.00 $4,000.00 17 Trench Safety System 1140 LF $3.00 $3,420.00 18 Access Bridge Across Creek LumpSum LS $20,000.00 $20,000.00 19 Wetlands Remediation 2800 SY $4.00 $11,200.00 20 Abandon Exist. Pump Station LumpSum LS $8,000.00 $8,000.00 21 Restoration and Cleanup LumpSum LS $1,500.00 $1,500.00 Total W/O State Sales Tax: $174,375.00 Note: Cost Estimate does not include additional easement acquiaition. Item # 12 Bankrun Gravel for Trench Backfill assumes 100% trench backfill with Import Material. Page 1 CITY OF RENTON Planning/Building/Public Works Department Earl Clymer, Mayor Gregg Zimmerman P.E., Administrator October 27, 1995 Bob Bergstrom Hammond, Collier & Wade - Livingstone Associates, Inc. 4010 Stone Way North Seattle, WA 98103-8090 SUBJECT: HIGATE LIFT STATION ELIMINATION Dear Bob: Enclosed please find the 90.% review comments for the plans and specifications for the Higate project. Please make the indicated changes to both and return them (along with the redlines) to me by November 20, 1995. Only the cover page, schedule of prices and special provisions need to be returned. I will insert the City's latest standard forms, state wage rates, etc. We are planning to construct the, project this summer and because of the on -site wetlands, we are trying to get a head start on the environmental review. The City has obtained. the needed easement across the Pohl property. We will be contacting the other property owner soon. If you have any questions, please call me at (206) 277-6179. Sincerely, AohnHobson Wastewater Utility H:D0CS:95-902:JDH:ps Enclosures 200 Mill Avenue South - Renton, Washington 98055 m _. . MEMORANDUM TO: JOHN HOBSON, CITY OF RENTON, SANITARY SEWER UTILITY FROM: BOB BERGSTROM, HCW-L, SEATTLE SUBJECT: HIGH GATE SEWER PROJECT. DATE: JAN. 24TH, 1995 I have attached a 90 % Review set of the Higate Sewer Pump Station Elimination Plans for your review. As you recall we stopped design work on this project because of the Pohl property development action. In Dec. 1994 you directed us to complete the design work. We have restarted and we are moving toward completion. I want to present for review the work to date. Next week I will be able to provide you with revised Specifications and Bid Documents. Some items are still not complete: 1. Survey Horizontal Control. We will be completing our field survey horizontal control next week. The final drawings win include the State Plane Coordinates for the identified monuments, and construction control. 2. Small Bridge Design. We are completing the small bridge design for the sewer maintenance vehicle access back to the last two man holes. You will have three optional design for the Contractors to provide: a. WSDOT Standard small log bridge design per the City of Renton Standards Book, b. Weyerhaeuser/ Western Wood Products Glu lam Beam timber Bridge C. Continental Bridge Steel frame, timber deck premanufactured bridge system. My next submittial will include all of the bridge information. Please review and your comments are appreciated. Bob Bergstrom au a �� a g 1 Lo, a1.2 t d1 11UOT L I Tea LOTT 3ee2 a-u 1 i.• aao. Ixm. r,aca[ s - --- --- --- -- - ----- -- --- ------ - W. i 1ea1 ouaN lNK - ---- -- --- nNa wrt - 1r ra I mTe— „a3 W Ir Z I 1, 1 W 1 I I I I 1 I I 1 aa pp H Holil OtONt - P), 1r or[.a�o Ij 1� _r Tell. m�n - - - - - I >•'r2 I} - - O O uT?r� J a.• aoe. ar wn[I I ae' T[I/011Mr I ooNlTwlaloN I I [/.Tl1dr 1 1 a - W 1 OEM Loi i ptlfpRT ry/1, 1 I _ dD T1KT SN 1 I I I 1 S 1 I I II � 1 • I I I qq I I �- 0 l 8 I I I 1 I I 1 I I \ I I �) I I I I I I 1 I I I ^I I •I I •-I 1 NI 1 I I I I t!' .alllwolr T-ay I I u1[1E)1T I I a 1 I 1 n,a1 I .le' 1[I/aRMr+l I L'OM/IIWCNeN 1 I I 1 I I 1 t 1 I I I I I I I I I I 1 I I I I 1 I I I w F 1_ I N KWAMDNT10 7ar.lnM tlh10L MO alR'Nxt A am M![CrKrataaaN M TO ta1101,1n1. Oq .OIN ", I e[ .ILmIrI�l A $i11[N I..V1 CONS,e11C1a.1. I 1 I I II I I 116 + I T I 1 'tl I I I I I t I I 1 I I I t I� I 1 1 I 1 1 NAI10® Ma /.W I IasTlw�o �r mnnutlloN 1 I i-- I 1 1 I I 1 1 I I i I I 1 I 1 1 I I I 1 I 1 I 1 I SCALE 1 "=50' 1 al � n zre v.u.r �- 111IM O111f/Nle[ O.lw.im 1 I 1 e [I �Ita 1 I I 1 � rat LOT aae. I � 11ars few 1 � 1 I I I 1 � I1 e[Nvf wO MPIId [Ief11.0�' ro,¢ ■r., caNSTauclleN WR 1 �1.r rr.1a[ n )..r TII IpT Gael 1,n,a[ neae I I 1 I f W LOT Me I �� PSO1 I I 1 I 1 I q 1. LOT aam out ne" it - �1r .vnc NE 20TH 5T Z=- EXHIBIT A PERMANENT UTILITY EASEMENT TEMPORARY UTILITY EASEMENT LIor ].of � fr aaD. aco. nc: s -' ------------------ `______________ Kr e• Ka,I aM. u« _ _ ___ rvlo[ ur[ - Ir not I aD m.cr ui ' Z I I I I 1 < 1 In �WZj I r 1 1 I 1 I I ,e,er fy it a i gg >•' CmMI oes,Mo.nln u>ow,ll � N 8 Ir Dow{-�- N Imafslxa y Ill//I 1\1/) . . r>eoat rnr eMax � r �s ! •(.i.;J 5 • I i f.• oeao rr.s - - - - - ` - - - - - - - w u r-r � J _-__4 ___-__- j 1 _ __ _ _D' ].]D'MDee 70' 1[Vu1MY 1 I , ca.nwleoorl o[ao [O, ) I IDIL 9rollr M} 1 I T �� aD 111M1 )N 1 1 I 1 r 1 1 I 7C , gp I I 4 l• P I 1 1 1 I , t ' roI. lgll, Mf I 1 1 I 1 1 1 1 1 I I Ilr, 1 I I 1 I 1 I �I I �1 I �I I A' epg1MO,T,�, I 1 w[Ialr I , WIfAK,ro. ,wx— DOI I r mlr 1 I I I 1 1 to slag 1 1 I I I I j 1 1 IILflI I 1 I I I I 1 I I I I I I I I 1 \ . 1 r 1 001K OW fNO K1WIt 1 TO m[ )Wtf , `ems mKc "WI MO i a,*L l A lta K['[OrIK 1 FlKWO11tA 10 DDIprgK l,w noel fwLL 1 1 1 ![ MtOdIN A 4^,[II YVN WISIIUO110.. 1 1 I I II 1 1 1 + 1 I 1 I I yl I 1 I 1 I 1 1 I 1 1 1 1 I 1 1 I 1 1 1 q I 1 1 I I I I 1 I 1 I I I I I 1 1 I 1 I 1 I I I I I I I SCALE 1"=50' 1 M ' a e[�el I I[f I 1 1 r�s wr sfa .ars[ e,e:e rM wrIm .we[ ow I 1 u .Ie11[d/IOIKffi y tIAOK.r 1 1 I I I I I I 1 I 411>, I I I . �{ I W I sy_`I A OpY14l la.eol Mel fOD ro11 ML qnu I y , Q 'i OMM® /1 WIi11KR11al [OI i 1 � I � q;'`]ll � OL! A Ya1M met Q MMM ' 1 rr109[on� I 1 ,ns wr ]]m I 1 y ,roes[ nef. I I� I I ppa Ag 1 I a I I eo[ac Mo KRIQ nesr.a I 1 �+ roKz nM.r ce.s,nlcnol 1 Do.[ KMt � • I,oal ,.0 +. k � avrc. vur �}- NE e t i:< Elm - - - , I III I - ?DkL A11�4 EXHIBIT A PERMANENT UTILITY EASEMENT TEMPORARY UTILITY EASEMENT CITY OF RENTON PLANNING/BUILDING/PUBLIC WORKS DEPARTMENT MEMORANDUM DATE: JANUARY 13, 1995 TO: JENNIFER HENNING FROM: NEIL WATTS Vk U SUBJECT: PREAPPLICATION REVIEW POHL LOT LINE ADJUSTMENT The proposed lot line adjustment (LLA) is far more than a minor adjustment of existing lot lines between two lots. The proposed action is actually a first phase for platting the subject property. Allowing this lot line adjustment to be approved prior to review the utility, transportation and drainage concerns for the final platting proposal would limit the options for developing improvements correctly for the new lots created from either of the two new lots created by this LLA. Based on the information available to us at this time, we would recommend denial of this lot line adjustment if an application were made. Utilities: Sewer and water main extensions should be installed through both proposed parcels for future platting. Approval of this LLA, followed by a plat application for only one of the parcels would not allow for proper alignment and looping of these utility improvements. Transportation: Similarly; approval of this LLA, followed by a plat request for one of the parcels could prevent installation of a loop access road, or secondary access for the final platted lots. Drainage: This site contains an active stream, a large pond and significant wetland areas. Addressing proper platting around these features should be done through a full plat review, including SEPA review. We would recommend denial of a Lot.Line Adjustment if such an application were made, and recommend that any realignment of lots, or creation of new lots, .be handled through the platting process for the existing parcels. This would allow for the appropriate SEPA review of the final lot configuration, as well as installation of the most appropriate utility, drainage and street improvements for this development. cc: Jim Hanson Lys Hornsby Ron Straka Dave Christensen MEMORANDUM DATE: I / I 0 TO: Construction Services, Fire Prevention, Plan Review, Long Range Planning, Project Planner FROM: Jim Hanson, Development Services Division Director SUBJECT: New Preliminary Application: y1 S'1 11Cat Please review the attached project plans prior to the scheduled meeting with the applicant. A Meeting with the a plicant has been scheduled for _ AM, Thursday, in the 3rd floor conference room. If this meeting i duled at 1 :00 AM, the MEETING MUST BE CONCLUDED PRIOR T . l • 0 AM to allow time to prepare for the 11:00 meeting. You will not need to do a thorough "permit .level" review at this time. Note only major issues that must be resolved prior to formal land use and/or building permit application submittal. If you are unable to attend the meeting, please send a representative. PLEASE EITHER BRING COPIES OF YOUR WRITTEN COMMENTS (IF ANY) FOR THE APPLICANT OR RETURN YOUR WRITTEN COMMENTS TO PRIOR TO THE MEETING. If you require--additioM information prior to this initial meeting, please let Laureen know. Thank you. CITY OF RENTON RECEIVED JAN 1 1 1995 BUILDING DIVISION JAN -WES HOMES, INC. 18000 72No AvENUE Soum, Surm 206 KENT, WAsHiNaroN 98032 PHONE: (206) 251-4020 FAX: (206) 251-4021 January 6, 1995 Jennifer Henning Senior Planner City of Renton 200 Mill Avenue South Renton, WA 98055 RE: Lot line adjustment on Pohl property Dear.Ms. Henning: We wish to schedule an early consultation meeting. We have purchased Lot 2 and 4 of short plat # 60-87, and are going to build a home on each lot for sale. Lot 2 contains 3.46 acres much of which is wetland, whereas Lot 4 contains .25 acres. We want to equalize the lot areas by a lot line adjustment as shown on the attached diagram (Exhibit A). This action would reduce Lot 2 to 2.24 acres and increase Lot 4 to 1.49 acres. Most of the land is a wetland but this action would enable future owners to short plat their parcels to be able to utilize the usable ground. See Exhibit B. We are enclosing Exhibit C showing the proposed subdivision layout of Brookside and the approximate boundary of what we have determined was wetland and not suitable for residential construction. This is the main reason WA Developers, Inc. did not proceed with the plat. We are enclosing the proposed application Exhibit D and will of course submit all other required exhibits after our early consultation meeting. Sincerely, Walt Schaefer Vice President Enc. c: File vIPPO Za- o of al'Abilo IV lf&Wf -,w LOT .3 AW's LOT W PO/f,r/O#,f Of Aff NV'- Of THE M4 .411,0 Of T111 M4 W (01111,rr T914CT 2801 T,-'�A )r4,r Mf N41 I Mor Wf J16Z A&-bd vwm Amc Fo Nal"Mool /".Xl — I /, w g"i, mki Am UMMI-71 11,000, 1. &a, - rad 114 wr .-P 0 AWYS)W-i W-OJ' AdAi Fv I UL-j N. tip' irmso &-w-I --4 ILI War No RX jor JIX TAX COT JIN A Aw ...... ou .1 0 0 s oov 'lowwe r+rr ey+► f f "'b •----_ ---fir►-�++� r' _'•• .Ab "I 000 AW If AW T 1 i• •, t 1 -maw.AMP t 4 Tot** * % . ® aw a #10tar. .. Iytl.1�N .. :.Y• ..... mow...•• - •• . - � , _ .�,,.,� �%% • ' � � .. ( 1 7.II.Ii M•Y ` �w�+yI�C�I � O o I tg 10 ' ....._ AN a w r .••, • -;• f.bl • • ,,, N� � MAN b9llull OWN- 173 e Ov , DEC 21 '93 14:45 FROM HCW-L PAGE.001 DELIVER TO, NAME: FIRM: LOCATION: TELEFAX NO.: SENT FROM: NAME: TELEFAX COVER SHEET A HAMMOND, COLLIER & WADE - LIVINGSTONE ASSOCIATES, INC. 4010 Stone Way North Seattle`, Washington 98103-8090 TELEFAX NO.: (206) 632-0947, Automatic Receive Day/Night CONFIRMATION NO.: (206) 632-2664 Total number of pages transmitted. including this cover sheet. If you do not receive all of these pages. please call the confirmation number as soon as possible. Thank you. Comments Sv �5Tl�v c. h�i2�rN�� Q� �� 1E��-5 � g P,,,p 5 rr*Ti-o rJ Eli 41 i ti A-4h)rJ . � E)krie S 012E p11)26 -m5ec �o &0,s aN o- 'b2, K AY >'o 0 d es t 010VT!5 ❑ Original will be mailed. )(Original will not be mailed. Date Transmitted: �Os DEC 21 '99 14:47 FROM HCW-L PAGE.007 PROPOSED SANITARY SEWER EXTENSION BETWEEN N.E. 20TH AND JONES "E N.E. 4�l 252.3 j 2!. _. - 3 S.�.-v 0.87 i. _ L, 10 i ao�a i a W � I yEXISTING UNNAMED CREEK AND PRNATE POND u! h W � � �i 0 t3j 'f PROPOSED NEW SANITARY SLWER ALIGNMENT o (4) � � • 1 i 93 ' II 66 r5s too84 1 i _ f26 126 b NZ 20TH STREET* X. �25.91 F5 65 1 f Ld z W — f , i ► EXISTING s>zs IN N.E zone ST. zEXIS71W HIGATE t b J SEWAGE PUIRP STATION iz6.14 S.P. i -78 256• 14 Q' P 256.24 L EXISTING BERRY FARM Z t FIAMBAONO. COLLIER 3 WADS - LIVINGSTONE ASSOCIATES. INC. DEC 21 '93 14:47 FROM HCW-L PAGE.006 RIGHT -OF -ENTRY I, Charles A and Winifred K. Pohl (Owner or Leasee) December 21. 1993 Date of the following described property: Lot 284293 Block - Hillmans LK WN Garden of Eden #4 Lot 2 of City of -Renton Short Hillmans LK WN Garden of Eden Lot #2 Lot 2 City of Renton Short Plat No. 60-87 Recording No. 885099006 SD Short Plat DAF - Tract 293 Less W 155 Ft of S. 120 Ft TGW N 100 Ft of S. 234 Ft. of Tract 284 Less Ely 26 Ft TGW W 126 Ft of Tract 284 Less S 324 Ft. do hereby grant permission to the Consulting Engineering firm of Hammond, Collier & Wade - Livingstone Associates, Inc., or their representatives to enter my property for the purpose of: conducting a tQpographic survey. Signature Date' wonting\nelson\entrl 221.doc DEC 21 '93 14:46 FROM HCW-L PAGE.005 HAMMOND. COLLIER & WADE - LIVINGSTONE ASSOCIATES, INC. CONSULTING ENGINEER'S LAKFI.Y R, WADE P.E. 9PUCF LIVINGSTONE. P.E. FREDEPICK G. K[riN. P F. HAPOLD F.. PAYNARD. P E JOHN D LEE. P E. JOHN D. HENORON P F 1?OPIFRT E eEPCSTPOM. P.E. DON PHELPS. P.C. DEANNF M REYNOLDS. P E. LAWRENCE E. QIEGEFT. P C Charles A. and Winifred K. Pohl 2004 Jones Avenue Northeast Renton, Washington 98056-2658 Dear Mr. and Mrs- Pohl: PROFESSIONAL SERVICES SINCE 1943 6010 $TONE WAY NORTH SEATTLE. WASHINGTON 98103-8090 TF,LEPHONE: (206) 632-2564 1-800-562-7707 FAX (206) 632-0947 December 21, 1993 KCNNC7H I-. FD'NGTON. P L 4 DALE D EFDAHL. P.L S. QOBEPT C. C+4ECNE. f' L 5. .11,1DY FREEBORN. ASLA TIM -'ONE:: CIA Our firm has been retained by the City of Renton to provide engineering and surveying services for the installafion of a new sanitary sewer from the pump station in N.E. 20th across your site to Jones Avenue N.E. In an earlier correspondence the proposed alignment was shown adjacent to the existing stream. We wish to inform you that the City of Renton has found this original alignment in conflict with existing wetlands ses excessive maintenance costs. The City has selected an alternate alignment �#IC'O ong the east and north side of your property. We have enclosed a map depicting this alternative. y`J IC�W" In order to accurately map the existing yards, driveways, trees, and landscaping, our survey crew will again need to enter your property along the alignment shown on the attached map. We have also enclosed two copies of our right-of-way entry form which describes the property and the reason we are requesting access. If you desire, we would be glad to provide you with the results when the survey work is completed. Please look over the map and form. If everything is agreeable, please sign one of the forms and return it to our office in the envelope provided. You should feel free to call me if you have any questions or concerns. You can also contact Dove` Fio13Sor�1 Et,r;S#ense�a, who is the City Engineer managing this project. He can be reached at the City of Renton City Hall, (206) 235-263t. Thank you for your time. 7-77-4o171. Sincerely, HAMMOND, COLLIER & WADE - LIVINGSTONE ASSOCIATES, INC. Robin Nelson Enclosures RN/mgi \working\nelson\pohl T 221.doC DEC 21 199 14:46 FROM HCW-L PAGE.004 001 PROPOSED SANITARY SEWER EXTENSION BETWEEN � N.E. 20TH AND .TONES AVE N.E.. 3 S.�-.-v f 0 - 87 w r .. .I ,__ 1j 3 I I H EXISTING UNNAMED CREEK I �� z AND PRIVATE POND + 1. zi o PROPOSED NEW SANITARY SEWER AUGNMZNT le, gtt� i�f v3 r� 93 �I 60 12,6 i l b N.E 20TH STREF(' 65 I (Z ) (3) rn /Z6. /4 r— S.P. 1 Z56-/4 4 (4} -78 Vf ri nal I exLsnNG sE1AfF.lts W N.E 20TH sr. EXISTING HIGATE SEWAGE PUMP STATION 71 �y �P EXISTING BERR7 FAi HAlY1111{QND, COLLIER a WADE — L[V I NGSTO N E ASS 0 C1ATF DEC 21 '99 14:46 FROM HCW—L PAGE.009 RIGHT -OF -ENTRY I, Kevin K. Ka (Owner or Leosee} of the following described property: Degember 21. 1993 Date The south 134 feet of the !st 126 feet of Block 284.C.D.Hillmans' Washinqtgn Garden of Ede Division #4 accor Ina to the olat thereof recorded in Volume 11 of Plats, Page 82 in King County, Washington. do hereby grant permission to the Consulting Engineering firm of Hammond, Collier & Wade - Livingstone Associates, Inc —or their representatives to enter my property for the purpose of, con L 4ofinga tgpogr6phic survey. Signature Date \working\nerson\kayentr.doc DEC 21 '99 14:45 FROM HCW-L PAGE.002 HAMMOND, COLLIER a WADE - LIVINGSTONE ASSOCIATES. INC. CONSULTING ENGINEERS LnRRY n waDE. o.E. ©RUCF. LINING57ONE. P.E. FREDER'CK G. KERN. P.C. HAROLD F RAYNAP,D, P.E. JOHN D LEE. n E. JOHN D HCNDRCN, P F. RORF.PT E. eEPCSTPOM. P.E. DON "ELPS. P.E. OEANNC M. F2BYNOLDS, P.E. LAWRENCE E. RIEGERT P.E Mr. Kevin K. Kay 1800 N.E. 20th Avenue Renton, WA 98056-2640 Dear Mr. Kay: PROFESSIONAL SERVICES SINCE 1943 4010 STONE WAY NORTH SEATTLE, WASHINGTON 9S 103 SOAO TELEPHONE: 206- 632•266A 1 .SOO 5G2 7707 FAX t2061 632-09A7 December 21, 1993 KFNNFTH L EDINGTON, P I_ $ DALE D ERDAHL. P.L.B. ROQCRT CZ .RFFNE. P.L S JUDY FPEEeoRN. ASLA TIM JONCS. aia Our firm has been retained by the City of Renton to provide engineering and surveying services for the installation of a new sanitary sewer from the pump station in N.E. 20th across the east side of your site, then continuing through the Pohl property to .Jones Avenue N.E. In an earlier correspondence the proposed alignment was shown adjacent to the existing stream. We wish to inform you that the City of Renton has found the original alignment in conflict with existing wetlands amd-poses-excessive wN'cN W"-' maintenance costs. The City has selected the alternate alignment depicted on the attached map. cf&9170- In order to accurately map the existing yards, driveways, trees, and landscaping, our survey crew will again need to enter your property along the alignment shown on the attached map. We have also enclosed two copies of our right-of-way entry form which describes the property and reason we are requesting access. If you desire, we would be glad to provide you with the results when the survey work is completed. Please took over the map and form. If everything is agreeable, please sign one of the forms and return it to our office in the envelope provided. -�oNis HozLerJ You should feel free to call me if you have any questions or concerns. You can also contact Dove 0—hristemen, who is the City Engineer managing this project. He can be reached at the City of Renton City Hall, (206)- 55-2631. Thank you for your time. Sincerely, HAMMOND, COLLIER & WADE - LIVINGSTONE ASSOCIATES, INC. Robin Nelson RN/mgi \working\ne1son\kay1221,doc CITY OF RENTON MEMORANDUM DATE: June 23, 1993 TO: Jack Crumley, Maintenance Services Director Kay Shoudy, Planning & Technical Services Director James Hanson, Development Services Director Mel Wilson, Transportation System Manager Karl Hamilton, Transportation Operations Supervisor William Hutsinpiller, Recreation Services Manager Alan Wallis, Police Chief Lee Wheeler, Fire Chief FROM: Gregg Zimmerman, Utility Systems Manager STAFF CONTACT: John Hobson (X-6179)� SUBJECT: HIGATE LIFT STATION ELIMINATION SITE MAP Attached is the site map for the above -referenced project which I neglected to include with the draft proposal dated June 21 st. Thank you. C:DOCS:93-589:JDH:ps CC: Lynn Guttmann Attachment CEN. i L&J I — 252. 3 I I I I I (lf ct yr_ co L�2594 283 ' 273 2-6 2- $.. , b — SP 124.78 (2) Q1 252 J 1 752.3 IS2.3 38YIT -1 /2G 3--%SI.� -io° 3ol 17B IrTr70-------r---IS II S.P010-87 I i tr L I - ro�.r i 84',';', { 272 263 2f �52 21 z3 ° FA I 21 I 1II I j p `4) p ' 10046 i II 1 1 ! j ,� 1fI + 'V 2O� ►�� f /55 7 I''i N I A I I I I I �� `il O � �—r5° — n ,n r. 5 J3 9S J111 Ilt 2 S ° r_d7 I ? + E- I I 1m oo Ib,I IIIao®95lZ.I, Ie7r2 0 90 60 N.�. - $ 25 9.r 191 l-5 � 65 IIII O _ ^I r r , (4) za /4 _ 15 P 154 e56 78 14 —A 2564 I a� 1 18 292 285 N : j'��1, 70 al, 96 3 s 30 1 0 s ii— ! Ir 7PL4e : p I-- 2 I�s�f �t o So h i ?52 30 $ /40 10746 64 -�� - - - - - - 17 18 h 13 22 0 —n h 1901 i76 76 70, 95 N.E.,- 9THhPL' a/-s-.--------- 23� --- -- a �� 5 B8.05 V' 9dg6 _- 252.3 (833 o ti a 7-s .ao 25 99 9 b ,� h = 27 � IB01 � • 7 C i 2; 20T 1:4 9 ' , 60 /oo sv �- 9__^1917 -�---- Y _ I fM f183Z---------�-183 ------ g N W ^� 186 Qa � 252.3- H 19 vs _-�] so la z� ^�---- - 111 - - -- LJ o - - OI 77.3 180 Z 1810 252. J Sg.62 1808 44 i----- -- I� I 18 __ _--------- j 2 I/17G a_ to HPY 17 ' 9 3 16:04 FROM HC10—L TO RENTON PAGE.0 3 MEMORANDUM TO. JOHN HOBSON, CITY OF RENTON FROM: BOB BERGSTROM, HCWL-SEA SUBJECT: HIGH GATE SEWER PUMP STATION ELIMINATION DATE: APRIL 14TH, 1993 This is a short follow up note on the addition of Wetlands Inventory work to our current professional services contract. HCW-L can add this item of work using a sub consultant: Cascade Environmental Services, a small woman owned business. The estimated cost of work will be approximately $ 750. The scope of work will be to identify any existing wetlands in and .3round the proposed project area, and delineate these areas for inclusion in the base mapping work - Please contact me as soon as possible on your approval of this extra work. Bob Bergstrom. FAX TRANSMITTAL TO: JOHN HOBSON Company: CITY OF RENTON Phone: 206 235 2631 Fax: 206 235 2541 Date � MAY 17 1993 From, ROBERT BERGSTROM P.E. Company: HCWL SEA Phone:(206)632 2664 Fax:(206)632 0947 Pages 1 HIGATE LIFT STATION ELIMINATION DRAFT PROJECT PROPOSAL Planning/Building/Public Works Department Lynn Guttmann, Administrator Prepared by: Utility Systems Division John Hobson, Project Manager June, 1993 Higate Lift Station Elimination Page 2 The purpose of this plan is to prepare plans, specifications and a Cost Estimate for the installation of an 8-inch, gravity sanitary sewer line to allow elimination of the Higate Lift Station. PROJECT BACKGROUND: In 1979, the Higate Sanitary Sewer Lift Station was installed adjacent to NE 20th Street as a requirement for the plat of Higate. This lift station serves the plat of Higate and properties adjacent to NE 20th Street from Edmonds Avenue NE to Jones Avenue NE. The facility is a fiberglass enclosed, wet -well mounted, duplex lift station with a duplex vacuum priming system. In order to eliminate the potential for mechanical failure in sanitary sewer systems where possible, the City is replacing existing lift stations with gravity sanitary sewer lines. PROJECT DESCRIPTION The scope of the project will entail several tasks. The first includes surveying and the production of base maps for the project. The surveying will include topography, property and easement boundaries and wetland delineations. This mapping will be used to prepare SEPA documents to meet environmental regulations for securing the necessary permits. The surveying and mapping portion of the project have been completed. This work is being performed by Hammond, Collier & Wade -Livingstone who the City has contracted with to prepare the final design and assist the City with coordinating project requirements with affected property owners. Task two will involve sewer line alignment alternatives, the preparation of final design drawings which will define the alignment and construction requirements of the sewer line and the restoration options concerning the existing drainage course and property restoration. The last phase shall include construction, inspection and management of the project which will be conducted by the City and Hammond, Collier, & Wade - Livingstone. DESIGN ELEMENTS The final design will include: 1. Sewer line plan and profiles will be prepared using the base maps created from the project surveying. 2. All private utility companies will be contacted to provide information of the utilities in the project area. 3. Coordination with other City departments will be done to avoid conflicts with their facilities. SPECIAL PERMIT CONSIDERATIONS Higate Lift Station Elimination Page 3 1. Research the possible need for an HPA from the Department of Fisheries. 2. Contact the Department of Ecology to verify if a water quality modification permit is required. EASEMENTS A 15 foot wide utility easement already exists across the affected property. However, if the on -site wetlands dictate an alignment change for the sewer line, then a new easement will have to be secured. ENVIRONMENTAL DOCUMENTS A SEPA checklist will be prepared for the project. PRELIMINARY COST ESTIMATE Total Project Cost $236,000 FUNDING SOURCE The project will be funded through the 1993 Wastewater Capital Improvement Budget (421). PROJECT SCHEDULING Mapping and Design Bid Project Begin Construction End Construction INVOLVEMENT AND PARTICIPATION A) Community: Completed June, 1993 July, 1993 Late July, Early August, 1993 November, 1993 The affected property owners will be notified about the design and construction schedule. This will include the Blueberry Farm to avoid possible conflicts with their picking time. B) Agencies: The Department of Fisheries and Ecology will be contacted for approval of this project. C) Private Utilities: Private utilities have been notified during the design phase. Higate Lift Station Elimination Page 4 STAFFING A► Project Management The Project Manager will be John Hobson, Wastewater Section, from the Utility Systems Division of the Planning/Building/Public Works Department. B) Design The design is being performed by Hammond, Collier & Wade -Livingstone. C) Permitting and Easements All permits and easements will be obtained by the City. D► In -House Reviews Design team members as well as affected divisions of the City will be involved during reviews. Higate Lift Station Elimination Page 5 MANAGEMENT ACCEPTANCE AND COMMITMENT PROJECT: HIGATE LIFT STATION ELIMINATION The following signatures indicate concurrence with the project scope, schedule and budget as outlined in the project proposal. Project Manager Utility Sy!Aems Division Manager Transportation System Division Manager C�cNl Mainte nce ervices sion rector Planning and Technical Services Manager Development Services Division Manager Planning/Building/Public Works Administrator C:DOCS:93-561 :JDH:ps CC: Gregg Zimmerman Dave Christensen John Hobson Date Date Date Date Date Date Date Higate Lift Station Elimination Page 5 MANAGEMENT ACCEPTANCE AND COMMITMENT PROJECT: HIGATE LIFT STATION ELIMINATION The following signatures indicate concurrence with the project scope, schedule and budget as outlined in the project proposal. Project Manager Utility Sy s D ision Manager Transportation System Division Manager Maintenance Services Division Director Planning and Technical Services Manager Development Services Division Manager Planning/Building/Public Works Administrator C:DOCS:93-561 :JDH:ps CC: Gregg Zimmerman Dave Christensen John Hobson Date 6- Z�-g Date Date Date tod�3g3 Date Date Date Higate Lift Station Elimination Page 4 STAFFING A) Project Management The Project Manager will be John Hobson, Wastewater Section, from the Utility Systems Division of the Planning/Building/Public Works Department. B) Design The design is being performed by Hammond, Collier & Wade -Livingstone. C) Permitting and Easements All permits and easements will be obtained by the City. D) In -House Reviews Design team members as well as affected divisions of the City will be involved during reviews. Higate Lift Station Elimination Page 5 MANAGEMENT ACCEPTANCE AND COMMITMENT PROJECT: HIGATE LIFT STATION ELIMINATION The following signatures indicate concurrence with the project scope, schedule and budget as outlined in the project proposal. Project Manager Utility SyYt6vns D' ision Manager Transportation System Division Manager Maintenance Services Division Director Planning and Technical Services Manager evelopment Services Division Manager rlanning/ouiiaingiruIDiic vvorKs Haministrator C:DOCS:93-561:JDH:ps CC: Gregg Zimmerman Dave Christensen John Hobson Date 6- Z/-9"3 Date Date Date Date Date Date Higate Lift Station Elimination Page 4 STAFFING A) Project Management The Project Manager will be John Hobson, Wastewater Section, from the Utility Systems Division of the Planning/Building/Public Works Department. B) Design The design is being performed by Hammond, Collier & Wade -Livingstone. C) Permitting and Easements All permits and easements will be obtained by the City. D) In -House Reviews Design team members as well as affected divisions of the City will be involved during reviews. CITY OF RENTON PLANNING/ BUILDING/ PUBLIC WORKS DEPARTMENT MEMORANDUM DATE: June 29, 1993 TO: John Hobson, Project Manager Wastewater Section FROM: Bob Mahn SUBJECT: Higate Lift Station Elimination I have coordinated the review of the above referenced project's Draft Project Proposal with Karl Hamilton and other Transportation Systems Division staff. We have no comments. RLM/jb C:\HIGATE DATE: STAFF CONTACT SUBJECT: CITY OF RENTON MEMORANDUM June 21, 1993 RENTON FIRE DEPT. FIRE PEE MOIV BUREAU SUN 2 91,993 RECEIVED Jack Crumley, Maintenance Services Director Kay Shoudy, Planning & Technical Services Director James Hanson, Development Services Director Mel Wilson, Transportation System Manager Karl Hamilton, Transportation Operations Supervisor William Hutsinpiller, Recreation Services Manager Alan Wallis, Police Chief Lee Wheeler, Fire Chief Gregg Zimmerman, Utility Systems Manager CT John Hobson (X-6179) HIGATE LIFT STATION ELIMINATION Attached is the Draft Project Proposal for the above referenced project for your review. Please review and return any comments to John Hobson by July 6, 1993. Thank you. C:DOCS:93-589:JDH:ps CC: Lynn Guttmann Attachment 22 1993 HIGATE LIFT STATION ELIMINATION u:f_l; " PROJECT PROPOSAL Planning/Building/Public Works Department Lynn Guttmann, Administrator Prepared by: Utility Systems Division John Hobson, Project Manager June, 1993 DATE: MUM: STAFF CONTACT SUBJECT: W CITY OF RENTON MEMORANDUM June 21, 1993 Jack Crumley, Maintenance Services Director Kay Shoudy, Planning & Technical Services Director James Hanson, Development Services Director Mel Wilson, Transportation System Manager Karl Hamilton, Transportation Operations Supervisor William Hutsinpiller, Recreation Services Manager Alan Wallis, Police Chief Lee Wheeler, Fire Chief Gregg Zimmerman, Utility Systems Manager U John Hobson (X-6179) HIGATE LIFT STATION ELIMINATION Attached is the Draft Project Proposal for the above referenced project for your review. Please review and return any comments to John Hobson by July 6, 1993. Thank you. C:DOCS:93-589:JDH:ps CC: Lynn Guttmann Attachment M/ HIGATE LIFT STATION ELIMINATION DRAFT PROJECT PROPOSAL Planning/Building/Public Works Department Lynn Guttmann, Administrator Prepared by: Utility Systems Division John Hobson, Project Manager June, 1993 CONCURRENCE DAYS 6-a/- %3 CITY OF RENTON e I rr DA' MEMORANDUM �AZ DATE: June 21, 1993 TO: Jack Crumley, Maintenance Services Director Kay Shoudy, Planning & Technical Services Director James Hanson, Development Services Director Mel Wilson, Transportation System Manager Karl Hamilton, Transportation Operations Supervisor William Hutsinpiller, Recreation Services Manager Alan Wallis, Police Chief Lee Wheeler, Fire Chief FROM: Gregg Zimmerman, Utility Systems Manager STAFF CONTACT: John Hobson (X-6179) SUBJECT: HIGATE LIFT STATION ELIMINATION Attached is the Draft Project Proposal for the above referenced project for your review. Please review and return any comments to John Hobson by July 6, 1993. Thank you. C:DOCS:93-589:JDH:ps CC: Lynn Guttmann Attachment