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Home My WebLink AboutSEPA EPIC-22-88 - CITY OF TUKWILA / PUBLIC WORKS - NORTH HILL TRANSMISSION PIPELINE PHASE II (UNDERGROUND WATER MAIN)NORTH HILL TRANSMISSION PIPELINE PHASE 11 CONSTRUCTION OF UNDERGROUND WATER MAIN TUKWILA PARKWAY & "S- LINE" BRIDGE EPIC 22 -88 WAC 197 -11 -970 DETERMINATION OF NONSIGNIFICANCE Description of Proposal CONSTRUCT 4,300 LINEAR FEET OF UNDERGROUND WATER MAIN ALONG TUKWILA PARKWAY EASTWARD TO ANDOVER PARK EAST; AND NORTH ACROSS THE S -LINE BRIDGE TO SOUTHCENTER BLVD. Proponent CITY OF TUKWILA PUBLIC WORKS DEPARTMENT Location of Proposal, including street address, if any THE LENGTH OF TUKWILA PARKWAY AND THE "S- LINE" BRIDGE IN SECTION 23, TWN 23, RGE 4; TUKWILA, WA. Lead Agency: City of Tukwila File No. EPIC•-22--88 The lead agency for this proposal has determined that it does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21C.030(2)(c). This decision was made after review of a completed environmental checklist and other information on file with the lead agency. This information is available to the public on request. Eig There is no comment period for this DNS J This DNS is issued under 197 -11- 340(2). Comments must be submitted by . The lead agency will not act on this proposal for 15 days from the date below. Responsible Official Rick Beeler Position /Title Address Date Planning Director Phone 433 -1846 6200 Southcenter Boulevard, TukwtawnmAig0188 Signature % =111V You may appeal this determination to the City Clerk at City Hall, 6200 Southcenter Boulevard, Tukwila, WA 98188 no later than 10 days from the above date by written appeal stating the basis of the appeal for specific factual objections. You may be required to bear some of the expenses for an appeal. Copies of the procedures for SEPA appeals are available with the City Clerk and Planning Department. FM.DNS 40" CITY OF TUKWILA CENTRAL PERMIT SYSTEM CN EPIC -22 -88 FILE ENVIRONMENTAL REVIEW ROUTING FORM TO: n BLDG [n PLNG P.W. n FIRE n POLICE n P & R PROJECT North Hill Transmission 'ipeline Phase II Project No. 86 -ST -02 Around SC Mall on SC Pkwy.from APE east 3000' & no.1000' across the Tukwila LOCATION interchange to Macadam Rd.Sec.23V TWP.23 No, FILE NO. DATE TRANSMITTED .M. 8 -2 -88 RESPONSE REQUESTED BY 8 -9 -88 STAFF COORDINATOR Vernon Umetsu RESPONSE RECEIVED THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART- MENT THROUGH THE ABOVE STAFF COORDINATOR. COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. ITEM COMMENT DATE /z- J /ff COMMENTS PREPARED BY C.P.S. Form 11 CITY OF TUKWILA CN CENTRAL PERMIT SYSTEM EPIC-22 -88 ENVIRONMENTAL REVIEW ROUTING FORM TO: n BLDG {n PLNG P.W. FILE FIRE n POLICE n P & R PROJECT North Hill Transmission Pipeline Phase II Project No. 86 -ST -02 Around SC Mall on SC Pkwy.from APE east 3000' & no.1000' across the Tukwila LOCATION interchange to Macadam Rd.Sec.23V TWP.23 No, FILE NO. R 4 E, DATE TRANSMITTED M 8 -2 -88 RESPONSE REQUESTED BY 8 -9 -88 STAFF COORDINATOR Vernon Umetsu RESPONSE RECEIVED THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART- MENT THROUGH THE ABOVE STAFF COORDINATOR. COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. ITEM COMMENT CGS 'Q e omme4 4 ;a0 i A-15/w a4c. w 1, I 0 1,4)4Zu. / 11-iA ,cv 4t4 (4z446CeAc c, )4/47,46Z- hA, 1A ,u6414. ai 66911411W %7 t i, / / V DATE COMMENTS PREPARED BY C.P.S. Form 11 CITY OF TUKWILA CENTRAL PERMIT SYSTEM ENVIRONMENTAL REVIEW ROUTING FORM TO: n BLDG jj PLNG o9 CN EPIC -22 -88 FILE P.W. [ j FIRE ( POLICE P & R PROJECT North Hill Transmission Pipeline Phase II Project No. 86 -ST -02 Around S,C Mall on SC P.kwy.from APE east 3000' & no.1000' across the Tukwila LOCATION interchange to Macadam Rd.Sec.23V TWP.23 No, FILE NO. R 4 E, W.M. 8 -2 -88 DATE TRANSMITTED STAFF COORDINATOR THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART - MENT THROUGH THE ABOVE STAFF COORDINATOR. COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. Vernon Umetsu RESPONSE REQUESTED BY 8 -9 -88 RESPONSE. RECEIVED ITEM COMMENT DATE 7y rr COMMENTS PREPARED C.P.S. Form 11 CITY OF TUKWILA CENTRAL PERMIT SYSTEM ENVIRONMENTA- REVIEW ROUTING FORM TO: BLDG PLNG Fj P.W. CN EPIC-22-88 FILE FIRE I I POLICE [i P & R PROJECT North Hill Transmission Pipeline Phase II Project No. 86 -ST -02 Around SC Mall on SC Pkwy.from APE east 3000' & no.1000' across the Tukwila LOCATION interchange to Macadam Rd.Sec.23V TWP.23 No, FILE NO. R 4 E, DATE TRANSMITTED M 8 -2 -88 RESPONSE REQUESTED BY 8 -9 -88 STAFF COORDINATOR Vernon Umetsu RESPONSE RECEIVED THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART- MENT THROUGH THE ABOVE STAFF COORDINATOR. COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. ITEM COMMENT DATE Y/c 5:7 COMMENTS PREPARED BY C.P.S. Form 11 • 190E City of Tukwila PLANNING DEPARTMENT 6200 Southcenter Boulevard Tukwila, Washington 98188 (206) 433 -1849 August 5, 1988 Ms. Maureen Sullivan Office of the Mayor 1200 Seattle Municipal Bldg. Seattle, WA 98104 Subject: SEPA EARLY NOTICE Dear Ms. Sullivan: This shall constitute courtesy early notice of a Tukwila SEPA °review. We anticipate making an environmental determination next week. The proposed pipeline crosses Seattle's 60 -inch water main along Southcenter Boulevard. Please feel free to contact me at 433 -1858 if you have any questions. Sincerely, VU /sjn attachments 0 ernon M. Ume su Associate Planner ENVIRONMENTAL CHECKLIST A. BACKGROUND Contr., No. Epic File No. 85 Fee $100.00 Receipt No.-1-5-4/1 1. Name of proposed project, if applicable:North Hill Transmission Pipeline Phase II Project No. 86 -ST -02 2. Name of applicant: City of Tukwila 3. Address and phone number of applicant and contact person: Horton Dennis and Associates 320 Second Avenue South. Kirkland. WA 9R013 ATTN: Fr pd Graham 4. Date checklist prepared: April 7. 198$ 5. Agency requesting Checklist: City of Tukwila 6. Proposed timing or schedule (including phasing, if applicable): 7. Do you have any plans for future additions, expansion, or. further activity related to or connected with this proposal? . If yes, explain. No. 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. The plan is a recommended improvement in the city of Tukwila comprehinsive sewer plan. 9. Do you know whether applications are pending for governmental approvals of other proposals directly affecting the property covered by your proposal? If yes, explain. None are known. • 10. List any government approvals or permits that will be needed for your proposal. Washington State Department of Transprotatjon Seattle Water Department Permit SParrla Water Department ('nnsent 11. Give brief, complete description of your proposal, including the proposed use and the size of the project and site. There are several questions later in thi checklist that ask you to describe certain aspects.of your proposal. You do no need to repeat those answers on this page. Section E requires a complete description of the objectives and alternatives of your proposal and should not be summarized here. Construction fo 4,300 LF of watermain 570 LF of boring and pavement pitching around southcenter mall. 12. Location of the proposal. Give sufficient information for a person to understand the precise location of your proposed project, including a street address, if any, and section, township, and range, if known. If a proposal would occur over a range of area, provide the range or boundaries of the site(s). Provide a legal description, site plan, vicinity map, and topographic map, if reasonably available. While you should submit any plans required by the agency, you are not required to duplicate maps or detailed plans submitted with any permit applica- tions related to this checklist. Around Southcenter Mall on Southcenter Parkway from Andover Park $ast _east 3000 feet and north 1000 feet across the Tukwila interchaugg.So Macadam $p.. Section 23V TWP. 23 N, R 4 E W.M. 13. Does the proposal lie within an area designated on the City's Comprehensive Land Use Policy Plan Map as environmentally sensitive? No. `r0 BE COMPLETED BY APPL I(>l' B. ENVIRONMENTAL ELEMENTS 1. Earth a. General description of the site (circle one): Flat,` rolling, hilly, steep slopes, mountainous, other b. What is the steepest slope on the site (approximate percent slope)? 2% c. What general types of soils are found on the site (for example, clay, sand, gravel, peat, muck)? If you know the classification of agricultural soils, specify them and note any prime farmland. Six feet of granular material over silts ranging from clayey silt to dense sandy silt. d. Are there surface indications or history of unstable soils in the immediate vicinity? . If so, describe. None are noted. e. Describe the purpose, type, and approximate quanti- ties of any filling or grading proposed. Indicate source of fill. None. f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe. None. g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? Site will be restored to present cover conditions. 100% of asphalt remosed will be replaced by asphalt patch. .Evaluation for Agency Use Only • Evaluation for Agency Use Only h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: Hydroseeding 2. Air a. What types of emissions to the air would result from the proposal (i.e., dust, automobile odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. Exhaust from construction equipment and dust during construction. Following construction, automobile traffic will produce exhaust inquantities similar to existing condition. b. Are there any off -site sources of emissions or odor that may affect your proposal? If so, generally describe. None known. c. Proposed measures to reduce or control emissions or other impacts to air, if any: Construction limited to normal working hours. 3. Water a. Surface: 1) Is there any surface water body on or in the immediate vicinity of the site (including year - round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe type and provide names. If appropriate, state what stream or river it flows into. 2 small areas of wetlands with nominal natural _ponding located north of Southcenter parkway in the TuJlwj] ._ interchange area. Water main well be cn tructed under Gilliam Creek by b_Qrjng. The bank and the stream bed will remain untouched. • Evaluation for Agency Use Only 2) Will the project require any work over, in, or adjacent to (within 200 feet) the described waters? If yes, please describe and attach available plans. Yes - 16" pipeline passes through and adjacent to these two areas. (see plans) 3) Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would be affected. Indicate the source of fill material. None. Areas will remain as natural wetlands. 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quan- tities, if known. None. 5) Does the proposal lie within a 100 -year floodplain? If so, note location on the site plan. No. 6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the type of waste and anticipated volume of discharge. No. b. Ground: 1) Will ground water be withdrawn, or will water be discharged to ground water? Give general description, purpose, and approximate quan- tities, if known. Construction ditch will be dewatered (unknown. quantity). 2) Describe waste materials that will be discharged into the ground from septic tanks or other sour- ces, if any (for example: Domestic sewage; industrial, containing the following chemicals...; agricultural; etc.) Describe the general size of the system, the number of such systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve. Not applicable. c. Water Runoff (including storm water): 1) Describe the source of runoff (including storm water) and method of collection and disposal, if any (include quantities, if known). Where will this water flow? Will this water flow into other waters? If so, describe. All ditch de- watering will flow into a storm collection system that discharges in to Gilliam Creek. Evaluation for Agency Use Only Evaluation for Agency Use Only 2) Could waste materials enter ground or surface waters? If so, generally describe. No. d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any: All disturbed areas will bg restoreft4 xheir original condition. No increase of wateI runoff _ expected. 4. Plants a. Check or circle types of vegetation found on the site: _ deciduous tree: alder, maple, aspen, other evergreen tree: fir, cedar, pine, other x shrubs grass pasture crop or grain _ wet soil plants: cattail, buttercup, bullrush, skunk cabbage, other water plants: water lily, eelgrass, milfoil, other other types of vegetation Horsetail b. What kind and amount of vegetation will be removed or altered? Grass and landscape areas. c. List threatened or endangered species known to be on or near the site. Nnnp_ • • d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: All grass and landscape areas disturbed will be replaced. _Uatlaud-Ameas will be restored to existing natures ditiQna- 5. Animals a. Circle any birds and animals which have been observed on or near the site or are known to be on or near the site: birds:. hawk, heron, eagle, songbirds, other: Songbirds mammals: deer, bear, elk, beaver, other: Nonp . fish: bass, salmon, trout, herring, shellfish, other: None. b. List any threatened or endangered species known to be on or near the site. None. c. Is the site part of a migration route? If so, explain. Nom d. Proposed measures to preserve or enhance wildlife, if any: Existing coiditions _remain the Game_ Evaluation for Agency Use Only • • 6. Energy and Natural Resources a. What kinds of energy (electric, natural gas, oil, wood stove, solor) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc. No increase. b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. No. c. What kinds of energy conservation features are included in the plans of this proposal? List other proposed measures to reduce or control energy impacts, if any: N/A 7. Environmental Health a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fire and explosion, spill, or hazardous waste, that could occur as a result of this proposal? If so, describe. No. 1) Describe special emergency services that might be required. None. 2) Proposed measures to reduce or control environ- mental health hazards, if any: N/A Evaluation for Agency Use Only • Evaluation for Agency Use Only b. Noise 1) What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other)? conssx_tion equipment operation and traffic. 2) What types and levels of noise would be created by or associated with the project on a short - term or a long -term basis (for example: traf- fic, construction, operation, other)? Indicate what hours noise would come from the site. Short term - construction equipment operation during normal working hour. Long term - None. 3) Proposed measures to reduce or control noise impacts, if any: Limit construction to normal working hours. 8. land and Shoreline Use a. What is the current use of the site and adjacent properties? Existing asphalt rpd and light industrial property adjacent to project. b. Has the site been used for agriculture? If so, describe. No. c. Describe any structures on the site. None. • • Evaluation for Agency Use Only d. Will any structures be demolished? If so, what? No. e. What is the current zoning classification of the site? Public Right-of-way. f. What is the current comprehensive plan designation of the site? Public Right -of -way g. If applicable, what is the current shoreline master program designation of the site? N/A h. Has any part of the site been classified as an "environmentally sensitive" area? If so, specify. Yes - Gilliam creek has been classified as sensitive. i. Approximately how many people would reside or work in the completed project? _IQ= j. Approximately how many people would the completed project displace? NnnE.. k. Proposed measures to avoid or reduce displacement impacts, if any: rILA 1. Proposed measures to ensure the proposal is com- patible with existing and projected land uses and plans, if any: Pro'ect is part of the Tukwila comprehensive sewer plan. 1 • 9. Housing a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low - income housing? None. b. Approximately how many units, if any, would be eli- minated? Indicate whether high, middle, or low - income housing. None. c. Proposed measures to reduce or control housing impacts, if any: Nnna 10. Aesthetics a. What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s) proposed? None. b. What views in the immediate vicinity would be altered or obstructed? None c. Proposed measures to reduce or control aesthetic impacts, if any: N/A Evaluation for Agency Use Only • • 11. Light and Glare a. What type of light or glare will the proposal produce? What time of day would it mainly occur? None. b. Could light or glare from the finished project be a safety hazard or interfere with views? No. c. What existing off -site sources of light or glare may affect your proposal? None. d. Proposed measures to reduce or control• light and glare impacts, if any: ALA 12. Recreation a. What designed and informal recreational oppor- tunities are in the immediate vicinity? N/A b. Would the proposed project displace any existing recreational uses? If so, describe. No. c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: N/A Evaluation for Agency Use Only • 13. Historic and Cultural Preservation • a. Are there any places or objects listed on, or pro- posed for, national, state, or, local preservation registers known to be on or next to the site? If so, generally describe. None. b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site. Do not know - site is public right -of -way. c. Proposed measures to reduce or control impacts, if any: None 14. Transportation a. Identify public streets and highways serving the site, and describe proposed accss to the existing street system. Show on site plans, if any. Proposed project is along Southcenter Parkway ad across the Tukwila interchange. b. Is the site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? ypq c. How many parking spaces would the completed project have? Now many would the project eliminate? Nong,__ Evaluation for Agency Use Only 411 411 Evaluation for Agency Use Only d. Will the proposal require any new roads or streets, or improvements to existing roads or streets, not including driveways? If so, generally describe (indicate whether public or private). Nn_ e. Will the project use (or occur in the immediate vicinity of) water, rail, or air transportation? If so, generally describe. No. f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur. No change from existing conditions g. Proposed measures to reduce or control transpor- tation impacts, if any: Southcenter Parkway will remain open at all times - contractor will provide proper signing and flagment as required by the city of Tukwila. No change in existing condition after project completion. 15. Public Services a. Would the project result in an increased need for public services (for example: fire protection, police protection, health care, schools, other)? If so, generally describe. No. b. Proposed measures to reduce or control direct impacts on public services, if any. None. 16. Utilities a. Circle utilities curreril available at the site: electricity,; Lpatu.ral__gas,jwater, ; refuse service, (telephone, sanitar,Y, sewer,.) septic system, other. b. Describe the utilities that are proposed for the project, the utility providing the service, and the general construction activities on the site or in the immediate vicinity which might be needed. Water may be needed for dust control. City of Tukwila. C. Signature The above answers are true and complete to the best of my knowledge. I understand that the lead agency is relying on them to make its decision. Signature: Date Submitted: PLEASE CONTINUE TO THE NEXT PAGE. -17- Evaluation for Agency Use Only 'Y OF TUKWILA.: SHEET INDEX SHEETS 2 THROUGH 5 OF 6 SHEET 6 OF 6 PLAN /PROFILE" DETAILS PROJECT LOCATIO VICINITY MAP S.23, T.23N, R.4E, W.M. LEGEND. Water Meter Vault : u Water Va /ve • SprinX /er Breather Concrete Pad With Elea Cond ■nrs o E /eetr/e . Vau/t o E /ethic Signa/ Vault "' •. C• ich Basin O StorinDram Manhole o: Sewer Manhole Brash Line Decidr,oas Tree With Size c76•' Guard Rai/ Light Ib /e Fire Hydrant •O' Construction Note (lee Note No.) .5ta 3*53 /781/.2 E 6+7,O42.S• TUKWILA INTERCHANGE LIMITED:- ACCESS 'AREA 1/ '4° O Sta 0 ASS Maiertbolt /• e °NOTE SEE SHEET 6 OF 6 FOR CONSTRUCTION NOTE INFORMATION (le. ®etc FITTING SCHEDULE RllIc[ •Y[a1. an •1004. JOIT r1J0 01• RJ10 [MD 1!• . TL.MI[1 •1/104. mllfT Hula Rug[ insll. JOINT 001. ELATE 044.00[ no La 00 0RT[•T4.1044.000 laf la[ Sal 11 WV V 1.1 " �-• •0• y 4 T MUCUS IM 100 >� M ~ ■ -0004/ rMMT- 0000 < . •Teench' Type 4 JUL 25 1988 :1 +00 3 +00 4-1-130 I. 5 +00 '•ENOINEERINO• STREETS• WATER•EIEWER•PARKB•BUILOINO• designed drawn NORTH HILL TRANSMISSION PIPELINE,' PHASE 2 field Wire no 1 date revisions file'na SO21 r dale • 3-as -El- COUIVICII RllIc[ •Y[a1. an •1004. JOIT r1J0 01• RJ10 [MD 1!• . TL.MI[1 •1/104. mllfT Hula Rug[ insll. JOINT 001. ELATE 044.00[ no La 00 0RT[•T4.1044.000 laf la[ Sal 11 WV V 1.1 " �-• •0• y 4 T MUCUS IM 100 >� M ~ ■ -0004/ rMMT- 0000 < . •Teench' Type 4 JUL 25 1988 :1 +00 3 +00 4-1-130 I. 5 +00 '•ENOINEERINO• STREETS• WATER•EIEWER•PARKB•BUILOINO• designed drawn NORTH HILL TRANSMISSION PIPELINE,' PHASE 2 field Wire no 1 date revisions file'na SO21 r dale • 3-as S.23; T.23N, R.4E, W.M. 1 -405 N/7/850 Concrete Witnesi /Post For Water j6' Cyclone Fence - Sta. 9 ,-85 Sip // +90 Cor c P d With Trad•P %c Control Vault (Typ),�:.- Sta. 9 +45 LIMITED ACCESS Cyclones nce ROW Pil /ar Sta. /P +00 r� t Sn. 17 .•35 relepnone M:Ih /e • Stu. /4t65O 645 Li/2"9-1 PENH 0 4ea�Sn�•�, DETAIL A •.Y 44 Cove/ . Slope Slope 002 7leneh Type 71 /47L F24' DAa St et Ca.r n9.-'1t "TA/e 7.7-inch 7 /pe •D r/"eneh Tj,pe ? Enis n9 �3O 'S town Czate7:0"Sewen :5 1988 10 -00: :11 +00 12 -00 13 +00 15 +001 18T00 17+00: 18 -00 19 +00' 20 -00 .21 +00 �itAfitiN 4.13".50,a;./, MISIMI6TE. WeQMS ECM.. •ENOINEERINO•BTAEETB•WATER •BEWEP•PAPKB•BUILOINO• • designed drawn checked prof.eg NORTH HILL TRANSMISSION PIPELINE, PHASE 2 revisions WIMP P song ital. e-A "i /'•5'v date 3 °88 • 1-405 LIMITED ACCESS Exis A.n.a 60 "Seaft /e Wate,4aht Sta 23 .'70 Water MR :04.1er Breather 14" Conc. Cu lvert • NOC ('One WY,Qas - .Port (Water) • R0..W Pinar Wafer .M H. 30' Seatt/e"W Sta. 32 -'46 Sta 14 *40 . Scale An Feet q7 LF �) 60 "Wa ter Main Trench Type 'O" riencn 70.2."A" T <'4 "SOro/n 22 +00 24 -00 25+00 26 -00 27 +00 28 -00 29 +00 30 -00 31 +00 •AU1"1`0E weQRs ..ENGIINEERINO•STAEETB• WATER. BEWEA•PAAKB•BUILDINCI• by date 3 nee 1 -8S designed rc drawn +" daybed pry e� prol dir field bins consu NORTH HILL-TRANSMISSION PIPELINE, PHASE 2 PROJECT NO 86 -WT -02 no date- revisions 6 hh ns- 5024 seakr.*a•,✓ /•.5. date 3 -88 • Sca /e in Feet. 40 20. - 0 40 160' Water Alain See Sheet- For Continuation., 0 \ \ryry c\�b, ® \\ 20 • \ � - \ gS L•f ib 0L \ \ \� East 60° Cf Seatf /e Waterman iF \\ .- Sta. 242 #6430 Cr VA \\ t\ \ \. /6 �. VA .. \:A.. 1t �\ 1A TUKWILA INTERCHANGE 2 w. E647./40- E647, /40 'Electric Va u/t S' Cyclone Fence ;f-ZLme South Centel B /vd. - Existing 1 • • /00 L-F 30' b a. :$ tee /Casing %el"Thick 61 Propose HOV Lan 60' atgqrrma•n op OF tCrs t Apc EA-V:2000::" Qn2 Pm. a` 3 -17-9@ : // %Veit JUL. 5:1988 •ENGINEERINO•BTPEETB• WATER• BEWER•PARKB•BUILDING• designed drawn chatted" p►W enta . prat dr field btm by date F.C.6 522.ee s 346 Horton Dennis & Associates, Inc.. . awuo, m.o.. • m- revisions' file no 5024 scalaP 4O'K /'Yk' data '3 -0a' Remove Exist. Asph Wa /k" Rep /ace With - / %1 "Asph. Cone. ' Class .'B "_ Bedding .Material For Rigid Ppe As Per 9 -30.7A APWA Exist fvmt, (`!yp,). NOTE 6 "Min• •AmBpac ckt e/ To B5 7e P/pea0 Behe od Pr( Mtodrifled ) 4Min. • Bedding Ma-feria for• WAp� As Per 9 -30.7A AP "Crushed Gravel Top Coo'p5e *NOTE:. All Bockfill To Be Compacted To 9s % Optimism Density •8 The Proctor Method (ModiPleall (yModifie4J BeddingAlater/al • - for R/gid Ppe As ■r 940.7A APWA .TRENCH TYPE "'A" TRENCH TYPE "C" No Scale CONSTRUCTION . NOTES CONTRACTOR' TO VERIR. LOCATION OF EXISTING'. 12 WATERLINE V /STEEL CASING -CUT. AND REMOVE STEEL CASING AND CONNECT TO EXISTING WATERLINE WITH A 12" MJ' TAPPING VALVE AND SLEEVE. - INSTALL '[IRE 'HYDRANT.' ASSEMBLY 6 PEET. -PROM ?ACE OF CURB, WITH EXCEPTIONS AT STAR 12+ 00 i 14 +,65 INSTALL AT 4 FEET FROM FACE OF O1. ' INSTALL :WATERMAIN :6 ' FEET' FROM FACE ' 0[ - CURB.. CONTRACTOR TO . TEMPORARILY' SUPPORT LIGHT STANDARD.. INSTALL AIR AND VACUUM RELIEF VALVE INSTALL'2 BLO80??. - - - Q6. :. SALVAGE' AND REPLACE' GUARD RAIL.: (REPLACE DAMAGED' GUARD RAI0 -AT' • CONTRACTOR'S EXPENSE.) 7. REMOVE CONCRETE CURB AND GOTTU TO NEAREST. EXPANSION JOUR. . - REPLACE EFFIE( LOOP DETECTION SYSTEM .TO EXISTING' HAND MOLE. 9. INSTALL WATERMAIN 6 1/2 FEET 7108 PACE OF CURB .ADJACENT T0: --' - EXISTING 8" GAB LINE. LOCATION AND 08PT8 OF 18" STORM UNKNOWN - CONTRACTOR TO EXPOSE ... - PRIOR TO INSTALLING VATERMAI8. ... - - 6 "Top Covrse.Type A' Exist 6ro0nd hydro Seed All 9157'wbed Areas Encase Pipe . /n Concrete. W.bere Shawn On Hof //e Beddh -. M' aterial far: • K9d .7A ipeAPWP Re late Sidewalk As Per Detail Treneh Type E" - . Where Applicable Compact Native Backf'i//. T 8S h Density By The Ppoetor :Method (Modified) /i /r /rn /n /i / / /r /// //n FI. I.M3 GATE VALVL 1 PL.I.MS ADAPTER:.... CONNECT. 70 EIISTING.8" WATER -LINE INSTALL.12" FL TEE 2 - 8, PL I MJ GATE VALVES' 8" IL 2 MJ ADAPTER - CONNECT,70 EXISTI86 WATERLINE 8/12" NJ :TAPPING VALVE AND SLEEVE. INSTALL 16' IL TEE .. 1 - 16" FL E 8J'BF? -. 2:- 16" X.12'. IL X TL 100000PS''. 2. 7 12" FL 20/65?! VALVE] 15. - 'DRAIN EXISTING" 16' VATER801N, REMOVE TEMPORARY CONCRETE - THRUST O RESTRAINT AND CONNECT: TO EXISTING FLANGE B.I.V. WITH A FL _X NJ ADAPTOR: B10CX AND TE5T LINE PROR TO CONNECTING WITH EXISTING. CONTRACTOR .: TO PLACE TEMPORARY. BRIDGE OVER EXISTING 60 WATERMAIN : TO USE FOR., VEHICULAR ACCESS. TRENCH TYPE "D' No 'Scale.: i,V7ove Exis /- Asph Andl`. place With - 3 "''Aspha /t And 4" Crushed Grave/ Top. Course ( Remove' Cement Concrete Curb And Guftep And ,&p/ace -. CEMENT. CONCRETE CURB & GUTTER REMOVAL DETAIL No Scale. WATER INTERCONNECT DETAIL SCALE: I'=20' (SEE- PROPOSAL ITEM 22,' SCHEDULE "1). Proposed Water Connect /on See Above Detail END' BID. SCHEDULE 1.08E:PIPE LENGTH BEYOND. GATE: VALVE. ' PLUG' AND SALVAGE -AND REPLACE 5' CYCLONE'r!NCE • -19. ENCASE' WATERMAIN -ill CONCRETE. A: - 20. HACK FILL -- WITH ETHAFOAM I6MIN. -08710 FOR OVER THE ENTIRE WIDTH OF EX. Q. 60 ,WATERMAIN:. EXTEND 1O SPRINGLINE BOTH SIDES. SPAN 60 PIPE • A FULL LENGTH OF PIPE,NO. JOINTS WILL BE ALLOWED OVER THE' SEATTLE- WATERMAIN. 0 21. DEFLECT PIPE AS. SHOWN. ON. THE PROFILE - M111060 DEFLECTION Iv:. FOR 16" 81.706 MIL' AND'' 28 ' - FOR 12" W17ERBAIN PER JOINT. 22. ,CASING' TO BE JACKED OR BORED.: 21. _ CASING-PIPE 'SHALL. EXTEND 'A 018100M 0? 6 - FEET BEYOND THE .TOE OF ?ILL SLOPES.. BACK OF DITCH . LINE. . OR OUTSIDE CURB. ' i 11111n urn- l-n,iimr i� �innrmn� ha ////// ,IIiiIIIuiuuI1uuI'Iil1I'L1I // I� / /il/,../ / / / / /l . .� \ I If Stainless Steel _ Sands .. • Woo( Skids A. Lubicote Skids W/ • . Drilling Mud or • F/oxsoop -0o not ' use•LWha /wm PrOduds_ INSTALL 12'.X3 X MJ. GATE VALVE.- INSTALL' 12. 8J 1.83.6ATE'VOLVO WITH VALVE OPERATING NOT EXTENSION.' EXCAVATION FOR JACXING' PITS TO ern A. 8AXIEN/ TWO TO ONE SIDE SLOPE 7101.AS' NECESSARY TO CLEAR .: CONCRETE', ENCASEMENT. 1 FOOT MINIMUM_ CONNECT' TO EXISTING - B. WATEBNAIN. .INSTALL 12" X'8 "' PL CROSS 1-B' 10UPLINB. . - 1 -12" FL X 83 GATE VALVE' 1 -8" PL GATE-VALVE,- . 0 -0" PL X MI ' ADAPTERS - .1 -12" FL X N3. ADAPTER .... . IN ORDER TO FACILITATE TRAFFIC FLOW ALL WORE 1A THIS ASIA SHALL BE DONE; BETWEEN' THIS HOURS OF MIDNIGHT AND 6.00 A.M. Steps., Non -ehr nk &rout - End Sec/ (Bah E10'5) Skids 51101/ Extend For the Ail/ Lcngth a' Ape. ail Exception of Be / /.and Spigo/ areas. . ACCESS NO ESUIPSMENT MWILL' 6E N AIIOWIO VTO�CCROSS .: THE SEATTLE - WATERMAIN OUTSIDE OF THE PAVED. STREET. SECTION A -A. '.'NO Sca /e .... HYDRO -SEED DETAIL SCALE I••SO' ISEE. PROPOSAL ITEM 21. SCHEDULE 11•:. -' SEE. THE FOLLOWING CITY OF. TUKWILA STANDARD' DRAWINGS IN THE CONTRACT DOCUMENTS W -1: CONCRETE BLOCKING • W -2 CONCRETE BLOCKING'` W -3 ,FIRE HYDRANT ASSEMBLY' W -6 • HYDRANT' SITTING. DETAIL' W -7 CAST'IRON TAPPING TEE.& VALVE DETAIL -' W - &' 2' BLOW OFF DETAIL • •• 4/-10. •VALVE BOX.& VALVE OPERATION EXTENSION::; W -11 , AIR & VACUUM :, RELIEF VALVE DETAIL • .DETECTOR LOOPS LOOP SCHEMATIC FIELD 'WIRING CHART • la TEMPORARY BRIDGE DETAIL .6t11`'1!!!!!, QI!!!!!s 190 094k, •ENOINEERINO•BT,REETB•WATER. SEW ER•PARKS• BUILDING• • • deli nod drawn NORTH HILL TRANSMISSION PIPELINE, PHASE 2 field lino revisions r file no .5024 UAW A3 Shown dare 3 -88