Loading...
HomeMy WebLinkAboutWTR2703107.16 z 0 z 0 V) a a U O a PO N 0 O In 6: S_ o� V N I ION I 0 1 U rJ i N C:)o Gi 3 0 � a o W. W U Q J J � z zQ LI_I J r t� U U W W W V)z D U Oz = W O V) 10 00, WM o- � QJa •: Q UZwZ W0 >R 0 z Q n ry d Q Z =� z O O V 0 Z ~O < 0 Z ty V) < U Q U) V) � QO 60 Z0 Q Z � o3: a N 0 N O Z � Y W U Ii Q d. � 3 3 3 a- Q 0 O o LL1 O 4 O � O rJ Q r N N N O Q Ki 3: 3: 3: d0 O O - O O 4 tfI 6 cn I U) I U) I cn I } a7 co cn < 3 m 3 3 J J z_ 3 < Q z z � z z J H H W Q Q� Z of z z z Ld 0 � J J J O Z a_ D_ O_ U O O O 5Z J J J W E L, L, U i, 43 m LO c9 0 J M ry O LL N U) Q U 0 0 (n(n• Li Z Z U w w Z � � Q 00 2 U U U Z ~ ~ J U U � lzj 140® EXPIRES I I I II ----- i{I - - Z7�Lnn o 'NEW, m_ !•!' NE 38th PLACE, SUITE 101 KIRKLAND, WA 98033 !• !! 's 0 FAX • ENGINEERS PLANNERS SURVEYORS CHT, • of Ni-T- PHASE 11 HUU��E� . V I L LA F]NCzI�V�'JE I PLANS SW `/a of 5C114 of SW1/4 of SCC lo,23 H, RG s _ N N r'1 x_ $ c *A V CA IECK D FOR COMPLIANCE 4KM DARD Dated Date 1977n1107__- �, Date WATER UTILITY NOTES & SPECIFICATIONS 1. THESE NOTES SHALL APPEAR FOR PROJECTS FOR THE WATER UTILITY: 2. All work material shall be in conformance with the standards and specifications of the City of Renton Planning/Building/Public Works Department and the latest edition of the WSDOT/APWA Standards and Specifications, as approved and modified by the City of Renton in the Renton Standard Plans & Specifications. A set of approved plans shall be kept on site at all times during construction. 3. The hours of work in the street right of way shall be limited to 8:30 am to 3:30 pm on weekdays unless otherwise approved in writing by the Department of Public Works at 235-2631. All street closures, partial or full, shall be approved by the Department of Public Works 73 hours in advance. The Police Department, Fire Department, and 911 shall be notified 24 hours in advance of any work in the right of way. 4. All locations of existing utilities shown are approximate and it shall be the contractor's responsibility to verify the true and correct location so as to avoid damage or disturbance. For utility locate call 48-Hours Locators, 1-800-424-5555. 5. All water main pipe to be cement lined ductile iron pipe conforming to AWWA C110 and C111 or latest revision, thickness Class 52. Cement mortar lining and seal coating shall conform to AWWA C104 or latest revision. Pipe joints to be push -on or mechanical joint. Bedding to be Class C. All ductile iron pipe and fittings shall be polyethylene wrapped per ANSI/AWWA C105/A21.5-93 Standards. I I 6. Cast iron and ductile iron fittings shall be cement lined, pressure rated a I I noted on plans, and in accordance with ANSI/AWWA C110/A21.10- 87. Cement lining shall be in accordance with ANSI/AWWA I C104/A21.4-90. If fittings are 3 inches to 12 inches in diameter and have mechanical pints, the fittings shall be in accordance with either I I ANSI/AWWA C110/�A21.10-87 or ANSI/AWWA C153/A21.53-94. 3 inch to 12 inch diameter fittings which have mechanical joints and/or flanged joints shall be in accordance with ANSI/AWWA J I - - - - - - - C110/A21.10.87 or a combination of ANSI/AWWA C110/A21.10.87 and ANSI/AWWA C153/A21.53-94 such that the portion of the fitting + II with a mechanical joint(s), may be in accordance with ANSI/AWWA o C153/A21.53-94 and that portion of the fitting with flanged joint(s) shall be in accordance with ANSI/AWWA C110/A21.10-87. I sr� I Acceptance testing in accordance with section 53.53 of ANSI/AWWA x\ C153/A21.53-94 or with section 10-4.3 of ANSI/AWWA C110/A21.10-87 shall be obtained by the contractor and transmitted to the owner. \ - 7. Gate valves shall be iron body, bronzed -mounted, double disc with bronze wedging device and 0-ring stuffing box (AWWA C500) or of • -- resilient seated type (AWWA C509). Valves shall be designed for a minimum water operating pressure of 200 PSI. Gate valves shall be Clow List 14, Mueller Company NO A2380, or M & H. All valves 12" in diameter and larger, shall be installed in a vault. See water standard I detail for 12" Gate Valve Assembly Vault and 1" Bypass Installation. I \ M 8. Fire hydrants shall be Corey type (opening with the pressure) or compression type (opening against pressure) conforming to AWWA C- 502-85 with a 6 inch mechanical joint inlet and a main valve opening (M.V.O.) of 5-1/4 inches, two 2-1/2 inch hose nozzles with National Standard Threads 7-1/2 threads per inch and one 4 inch pumper nozzle with the new Seattle Pattern 6 threads per inch, 60 degrees V. Threads, i outside diameter of male tread 4.875 and root diameter 4.6263. 0 _ _ _ Hydrants shall have a 1-1/4" pentagon operating nut opened by turning counter clockwise (left). I\ 9. The two 2-1/2" hose nozzles shall be fitted with cast iron threaded cap: with operating nut of the same design and proportions as the hydrant I stem nut. Caps shall be fitted with suitable neoprene gaskets for li positive water tightness under test pressures. 10. The 4" pumper nozzle shall be fitted with a Stortz adapter, 4" Seattle j Thread x 5" Stortz. Stortz adapter shall be forged and/or extruded 6061-T6 aluminum alloy, hardcoat anodized. Threaded end portion shall have no lugs and 2 set screws 180 degrees apart. Stortz face to be metal, no gasket to weather. Stortz cap to have synthetic molded / I rubber gasket, and shall be attached to hydrant adapter with 1/8" coatec / I stainless steel aircraft cable. SANITARY SEWER NOTES & SPECIFICATIONS 11. Fire hydrants shall be installed per City of Renton Standard Detail for fire hydrants, latest revisions. 1. All work materials shall be in conformance with the standards and 12. All water main 10 inches and smaller to maintain a minimum cover of 3 specifications of the City of Renton Utility Department and the latest inches below finish grade. All water main 12 inches and larger shall be I I I edition of the WSDOT/APWA Standards and Specifications. at a minimum of 48 inches below finish grade. Where utility conflicts I I � 2. The hours of work in the street right-of-way shall be limited to 8:30 occur, water mains are to be lowered to clear. N of a.m. to 3:30 p.m. on weekdays unless otherwise approved in writing by 13. All water mains six (6) inches in diameter and larger shall be cleaned I the Planning/Building/Public Works De artment at 235-2620. All street „ p with pipe cleaning "PIGS" prior to disinfection. The "Poly Pi s shall closures, partial or full, shall be approved by the Planning/Building/ be Girard industries Aqua Swab -AS or approved equal, 2 Ib/gcu ft. I Public Works Department 72 hours in advance. The Police Department, Fire Department, and 911 shall be notified 24 hours in advance of any density foam with 90A durometer urethane rubber coating on the rear of work in the right of way. 14. "PIG" only. "PIGS" shall be cylinder shaped with bullet nose or square / \ > 3. All construction shall be in accordance with "Standard Specifications for end. The City will assist the contractor who will perform the cleaning m Municipal Public Works Construction" prepared by Washington State operation. - Chapter American Public Works Association, latest edition (APWA) and M City of Renton Standard Specifications. 15. All water mains and services shall be pressure tested to a minimum of Cn 200 PSI or 150 PSI over operating pressure, in accordance with the 4. All locations of existing utilities shown are approximate and it shall be specifications of the City of Renton and the Washington State Health the contractor's responsibility to verify the true and correct location so Department. All pressure testing shall be done in the presence of a as to avoid damage or disturbance. representative of the City of Renton. The quantity of water lost from 5. A preconstruction conference and a 24 hour notice shall be required the main shall not exceed the number of gallons per hour as listed in prior to starting new construction. It shall be the contractor's City of Renton Standard Plans & Specifications 7-11.3(11). The loss in responsibility to secure all necessary permits prior to starting pressure shall not exceed 5 psi during the 2 hour test period. construction. (Inspection will be accomplished by a representative of the SD City of Renton.) It shall be the contractor's responsibility to notify the 16. All water mains and services shall be disinfected by the injection of a 5( Utility Department 24 hours in advance of backfilling all construction. ppm (minimum concentration) chlorine/water solution. Dry Calcium Hypochlorite shall NOT be placed in the pipe as laid. Chlorine shall be 6. Contractor is solely responsible for the means, methods and sequences of metered injected in accordance with Section 7-11.3(12)E or 7- construction and for the safety of workers and others on the construction 11.3(12)F of the Standard Specifications referenced in 1 above. site. 17. A preconstruction conference is required prior to any construction. A 7. It shall be the responsibility of the contractor to obtain street use and minimum of 3 (three) working days notice is required for scheduling. any other related permits prior to any construction. Prior to scheduling the precon a permit information sheet must be 8. Plans approved by the City of Renton, Public Works Department, shall supplied to the Utility Engineer's Office. Twenty-four hour notice will take precedence over all other plans. be required prior to starting new construction. 9. A copy of these approved plans must be on the job site whenever 18. It shall be the contractor's responsibility to secure all necessary permits construction is in progress. prior to starting construction. 10. The contractor shall provide the City of Renton with an as -built drawing 19. Installation of corporate stops, water services, lines and meters shall not of the sanitary sewer system which has been stamped and signed by a be done until all service agreements, meter applications, construction licensed professional engineer or licensed professional surveyor. permits, and payment of fees have been made to the City of Renton. i 11. Backfill shall be placed equally on both sides of the pipe in layers with a 20. All connection to existing mains to be accomplished by the City of loose average depth of 6 inches, maximum depth of 8 inches, thoroughly Renton, except wet taps which may be made by approved wet to tamping each layer to 95 percent of maximum density. These compacted contractors with prior approval from the Department of Public Works. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - f d' t L, :A f th 4- NOTE: 1. SITE IS IN WATER PRESSURE ZONE 565' STATIC WATER PRESSURE AT FINISHED FLOOR ELEVATION OF 414' IS APPROXIMATELY 65 PSI. 2. SPRINKLER SYSTEM SUPPLY LINES PER FIRE SYSTEMS WEST. ® 3. INSTALL DDCVA INSIDE BLDG. "B" & BLDG. "C" PER STD. DTL, 8117. layers must extend or one pipe lame er on eac es e o e pope or o the side of the trench. Materials to complete the fill over pipe shall be All necessary excavation and materials to be supplied by the contractor the some as described. and be on -site prior to City notifications. 12. Open cut road crossings for utility trenches on existing traveled roadway 21. Inspection will be accomplished by a representative of the City of shall be backfilled with crushed rock and mechanically compacted. Cuts Renton. It shall be the contractors responsibility to notify Development into the existing asphalt shall be neatline cut with saw in a continuous Services 24 hours in advance of backfilling all construction. The line. A temporary mix patch must be placed immediately after backfill contractor as well as the Engineers shall keep as -built drawings. and compaction. A permanent hot mix patch shall be placed within 10 days and shall be per City of Renton current standards. 22. Contractor to provide plugs and temporary blow -off assemblies for 13. Datum shall be City of Renton, U.S.C. and G.S. testing and purity acceptance prior to final tie-in. 14. All disturbed areas shall be seeded and mulched or otherwise stabilized 23. All joint restraint systems (shackle rods, nuts, bolts, etc.) shall be as to the satisfaction of the Department for the prevention of on -site manufactured by the Star Manufacturing Company of Columbus Ohio erosion after the completion of construction. or equal approved in writing by the Department of Public Works. 15, All pipe and appurtenances shall be laid on a properly prepared 24. Asphalt and concrete street paving shall be sawcut to a minimum depth foundation in accordance with Section 7-02.3(1) of the current State of of two inches. Oil mot streets may be spade cut. All surface concrete, Washington Standard Specifications for Road and Bridge Construction. pavement, sidewalks, curb, gutters, and driveway approaches shall be This shall include necessary leveling of the trench bottom or the top of sawcut to a minimum depth of two inches or removed to an existing the foundation material as well as placement and compaction of required expansion joint. RECOMMENDED bedding material to uniform grade so that the entire length of the pipe FOR APPROVAL will be supported on a uniformly dense unyielding base. Pipe bedding shall be 6" above and below the pipe. 25. A temporary cold mix asphalt patch shall be placed on the day of initial pea gravel excavation with a permanent, sealed patch to be placed, to City of GMo BYkmce 4 .s� s161,16. Sanitary sewer pipe shall be polyvinyl chloride (PVC) rubber gasketed Renton policy, within ten days. Call for subgrade inspection prior to final ASTM D 3034, SDR 35, or ductile iron class 50. placement of patch. BY 17. In unimproved areas, manhole to extend minimum 6 inch and maximum 26. For City projects such as telemetry conduit, the PVC pipe used shall be 18 inch above finished grade. In paved area, cover must slope in all schedule 40 in unimproved areas and schedule 80 under improved areas. BY directions to match paving. All chemical process lines shall be schedule 80 PVC pipe. /d ^l/- 07 i C . 44 -'*7 o-7 SC NER JUN 2 2 2wi