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HomeMy WebLinkAboutTED4001770.5NOTES AND SPECIFICATIONS FOR STORM DRAINS AND SANITARY SEWERS 1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH "STANDARD SPECIFICATIONS FOR MUNICIPAL PUBLIC WORKS CONSTRUCTION" PREPARED BY WASHINGTON STATE CHAPTER AMERICAN PUBLIC WORKS ASSOCIATION, 1981 (APWA) AND CITY OF RENTON STANDARDS. 2. CONTRACTOR SHALL PROVIDE AND MAINTAIN TEMPORARY SEDIMENTATION/COLLECTION FACILITIES TO INSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER NATURAL DRAINAGE SYSTEM. THESE FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND CONSTRUCTION AND MUST BE MAINTAINED UNTIL CONSTRUCTION AND LANDSCAPING ARE COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS PASSED. 3. 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. 4. A PRECONSTRUCTION CONFERENCE AND A 24 HOUR NOTICE SHALL BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR TO STARTING CONSTRUCTION. (INSPECTION WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY OF RENTON). IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE UTILITY DEPARTMENT 24 HOURS IN ADVANCE OF BACKFILLING ALL CONSTRUCTION. 5.,STORM DRAIN PIPE 1E," AND GREATER SHALL BE CONCRETE, RUBBER GASKETED ASTM C-76, CL.2. I 6. STORM DRAIN PIPE BEDDING, 42" DIAMETER AND BELOW USE APWA STANDARD PLAN NO. 62, CLASS B. SEE DETAIL BELOW FOR 60" DIAMETER BEDDING. 7. TRENCH WIDTH IN BEDDING ZONE SHALL BE 1-1/2 TIMES THE PIPE DIAMETER PLUS 18 INCHES. 8. TYPE 1-C CATCH BASINS SHALL BE PER APWA STANDARD PLAN NO. 52, WITH APWA STANDARD PLAN NO. 49 FRAME AND GRATE AND TYPE 60 OUTLET TRAP. TYPE III-120 INCH MANHOLE SHALL BE PER APWA STANDARD PLAN NO. 38. TYPE III-96 INCH MANHOLE SHALL BE PER APWA STANDARD PLAN NO. 38. ALL MANHOLES SHALL HAVE APWA STANDARD PLAN NO. 42 FRAME AND COVER WITH COVER MARKED "DRAIN". 9. CONTRACTOR IS SOLED RESPONSIBLE FOR THE MEANS, METHODS AND SEQUENCES OF CONSTRUCTION AND FOR THE SAFETY OF WORKERS AND OTHERS ON THE CONSTRUCTION SITE. 10. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3034, SDR 35 (l/v�Ls OTiNE 'GJiSE/'E�E- 11. WHEEL CHAIR RAMPS TO BE INSTALLED WHERE INDICATED ON PLANS. 12. BACKFILL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE IN LAYERS WITH A LOOSE AVERAGE DEPTH OF 6 INCHES, MAXIMUM DEPTH OF 8 INCHES, THOROUGHLY TAMPING EACH LAYER TO 95 PERCENT OF MAXIMUM DENSITY. THESE COMPACTED LAYERS MUST EXTEND FOR ONE PIPE DIAMETER ON EACH SIDE OF THE PIPE OR TO THE SIDE OF THE TRENCH. MATERIALS TO COMPLETE THE FILL OVER PIPE SHALL BE THE SAME AS DESCRIBED. 13. NO HANDHOLES, VAULTS, OR METER BOXES TO BE LOCATED IN SIDEWALKS. 14. SANITARY SEWER MANHOLES SHALL CONFORM TO APWA SPECIFICATIONS, SECTION 63. MANHOLES SHALL BE APWA STANDARD PLAN NO. 34. 15. T.V. INSPECTION IS REQUIRED FOR ALL SANITARY SEWER LINES. 16. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET USE AND ANY OTHER RELATED PERMITS PRIOR TO ANY CONSTRUCTION. 17. PLANS APPROVED BY THE DIRECTOR OF PUBLIC WORKS SHALL TAKE PRECEDENCE OVER ALL OTHER PLANS. 18. THE STORM DRAINAGE SYSTEM AND SANITARY SEWER SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE AT THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS. 19. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 20. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL. 21. OPEN CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXISTING TRAVELED ROADWAY SHALL BE BACKFILLED ONLY WITH 5/8 MINUS CRUSHED ROCK AND MECHANICALLY COMPACTED. CUTS INTO THE EXISTING ASPHALT SHALL BE NEATLINE CUT WITH SAW IN A CONTINUOUS LINE. A TEMPORARY MIX PATCH MUST BE PLACED IMMEDIATELY AFTER BACKFILL AND COMPACTION. A PERMANENT HOT MIX PATCH SHALL .BE PLACED WITHIN 0 DAYS AND SHALL BE THE THICKNESS OF THE ORIGINAL ASPHALT OR TWO INCHES WHICHEVER IS GREATER. 22. THE CONTRACTOR SHALL PROVIDE THE CITY OF RENTON WITH AN AS -BUILT DRAWING OF THE STORM DRAINAGE SYSTEM, THE SANITARY SEWER SYSTEM AND THE SITE GRADING WHICH HAS BEEN STAMPED AND SIGNED BY A LICENSED PROFESSIONAL ENGINEER. 23. THE CONTRACTOR SHALL PROVIDE DEWATERING WELLS OR SUMP PUMPS AS NEEDED TO LOWER WATER TABLE DURING CONSTRUCTION OF UTILITIES. 24. TYPE III - 144 INCH MANHOLE SHALL BE PER APWA STANDARD PLAN NO£ 38• 25, CULVERT PIPE 95 X 67 INCH AND 73 X 55 INCH SHALL BE /O GAUGE GALVANIZED STEEL, 3x 114EZ-1L4L, TREATMENT 1 ASPHALT COATED OR 3 x / /0 GAUGE ALUMINUM HELICAL CORRUGATED METAL PIPE WITH WATER 1 TIGHT CONNECTING BANDSo �- /2 " _37-0, ltf Oif.4/,v P/�E /�1.4/'6E CD�cyETE, �/idBE�P G.4.5�- O� D/ CL 2, /6 C',t C4L!/il%%�/J STEEL G.M`:� /��; TitcTitiZ-iVTi ir�.a.EI7s=j Lvic`ti pfj' /G C.i LiLUM. /iEL/CAL G/�i.� BOT// Lf//T.1/ GY�7Ei� T/�. �f7 CD�/ir/EGi/H� dA/��S' WATER NOTES 1. ALL WORK MATERIALS SHALL BE I14 CONFORMANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON UTILITY DEPARTMENT AND THE LATEST EDITION OF THE APWA STANDARDS AND SPECIFICATIONS. 2. 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. 3. ALL WATER MAIN PIPE TO BE CEMENT LINED DUCTILE IRON PIPE CONFORMING TO ANSI SPECIFICATIONS A-21-51-1976 OR LATEST REVISION, THICKNESS CLASS 52. CEMENT MORTAR LINING AND SEAL COATING SHALL CONFORM TO ANSI. A--21-4-74 OR LATEST REVISION. PIPE JOINTS TO BE PUSH -ON OR MECHANICAL JOINT. BEDDING TO BE CLASS C. 4. ALL FITTINGS TO BE CAST IRON, CEMENT LINED, CLASS 250, UNLESS OTHERWISE SPECIFIED ON DRAWING CONFORMING TO ANSI SPECIFICATION A-21-10-1977, ANSI A.-21-11-1977 OR LATEST REVISION. ALL FITTING JOINTS TO BE MECHANICAL JOINT OR FLANGED. FLANGED JOINTS SHALL BE DRILLED IN ACCORDANCE WITH ANSI B 16.1 AND SHALL BE 125 LB. CONFIGURATION, UNLESS OTHERWISE SPECIFIED ON DRAWING 5. ALL WATER MAIN 10 INCHES AND SMALLER TO MAINTAIN A MINIMUM COVER OF 36 INCHES BELOW FINISH GRADE. ALL WATER MAIN 12 INCHES AND LARGER SHALL BE AT A MINIMUM OF 48 INCHES BELOW FINISH GRADE. WHERE UTILITY CONFLICTS OCCUR, WATER MAINS ARE TO BE LOWERED TO CLEAR. 6. ALL WATER MAINS SHALL BE PRESSURE TESTED AND DISINFECTED IN ACCORDANCE WITH THE SPECIFICATIONS OF THE CITY OF RENTON AND THE WASHINGTON STATE HEALTH DEPARTMENT. ALL PRESSURE TESTING SHALL BE DONE IN THE PRESENCE OF A REPRESENTATIVE OF THE CITY OF RENTON. 7. A PRECONSTRUCTION CONFERENCE AND TWENTY-FOUR HOUR NOTICE WILL BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. 8. I`1' SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR TO STARTING CONSTRUCTION. 9. INSTALLATION OF CORPORATE STOPS, WATER SERVICES, LINES AND METERS TO BE ACCOMPLISHED BY THE CITY OF RENTON. 10. ALL CONNECTION TO EXISTING MAINS TO BE ACCOMPLISHED BY THE CITY OF RENTON. ALL NECESSARY EXCAVATION AND MATERIALS TO BE SUPPLIED BY THE CONTRACTOR AND BE ON -SITE PRIOR TO CITY NOTI2 ICA'TION. 11. INSPECTION WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY OF RENTON. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE UTILITY DEPARTMENT 24 HOURS IN ADVANCE OF BACKFILLING ALL CONSTRUCTION. 12. CONTRACTOR TO PROVIDE PLUGS AND TEMPORARY BLOW -OFF ASSE!�BLIES FOR TESTING AND PURITY PCCEPTANCE PRIOR TO FII\iAL TIE-:=N. 13e POLYETHYLENE ENCASEMENT SHALL BE INSTALLED ON ALL PIPE AND APPURTENANCES, SUCH AS PIPE LATERALS, COUPLINGS, FITTINGS, AND WALVES, IN ACCORDANCE WITH SECTION 5-4 OF ANSI 21.5 OR AWWA C105. POLYETHYLENE MATERIAL, THICKNESS AND WIDTH SHALL CONFORM TO ANSI A21.5 OR AWWA C105. 14. WATER MAIN USED IN CROSSING 60 INCH STORM DRAINAGE PIPE IN S.W 7TH STREET SHALL BE CEMENT LINED DUCTILE IRON PIPE CONFORMING TO ANSI SPECIFICATION'S A-21-51-1976 OR LATEST REVISION, THICKNESS CLASS 53. CEMENT MORTAR LINING AND SEAL COATING SHALL CONFORM TO ANSI A-21-4-74 OR LATEST REVISION. PIPE JOINTS TO BE PUSH -ON OR MECHANICAL JOINT. BEDDING TO BE CLASS C. 15. THE CONTRACTOR SHALL PROVIDE THE CITY OF RENTON WITH AN AS -BUILT DRAWING OF THE PLATER MAIN SYSTEA WHICH HAS BEEN STAMPED AND SIGNED BY A LICENSED PROFESSIONAL ENGINEER. (CONTRACTOR NOTE: WATER MAIN AS -BUILT INFORMATION CAN ONLY BE OBTAINED PRIOR TO TRENCH BACKFILL. THE CONTRACTOR MUST COORDINATE THE WORK TO OBTAIN THE AS -BUILT INFORMATION PRIOR TO TRENCH BACKFILL). AL reFF /A TE Z. A10 -,9 4C,4' T/?EiVCH_VN 36� r7• D. 36 L /2 c ROSSWAL K WAEEL. (:HNR RW4P VF_T41L No 5CaL.E. i 40' 2. I 6PAL1-6, ,4,i ANfl l 4 1 �^_>.H. PACE O/�' a .1/ s- Ol�� P /AIV.. /8 //MA T t3AC•1rFIL L - P,--W A, -*A CC,10,-1qCTED TO 9.5' of /-/.Foc %Orf tr'ogoWAY 7-0 8o Ta, 0,- s e,,V 0 C 7%;W /s/ re //t/ a T F/! f1 Efi " A41+X 4)/1V?,EWSi0A, S �.7 /0,41,(. ,`,4S5/1/6 NO. 2P0 S/r• p/E , COMPsiCTE T� 9? -1 /.I jzi -' 0C 7_0e D/_'/r/',j j T ,e AT C01-VERT 6R0561Nc OF 5AA//7-ARy 5EtkIER MCI JA/'TA//v 6� '1 PEA eiRA ✓EL .B EDD 1iV&7 tl�iMED/A�Et� BE�.D� P/GE 311c " /v)//✓' � " iN } t 4)/mz /✓S /O4 � Z4� FCifj' �O 0, 6 CULVERT PIPE i. ALTERNATE I Note: Driveway can be reduced to a thickness �of,8' when a 10 gage ^ -- pattern Is used See 'City Of Rentcn' Standard Detail For Depressed Driv.way Curb a Gutter -Type D ( f EXPANSION JOINT GENERAL NOTES JOINTS Joints shall be ploced as shown or as directed by the Engineer CONCRETE Concrete shall be 14 day Class 6 (3/4 ) air tntrafnad Portland cement concrete PROCEDURES All work shall be in accordance with A.P.W.A plans and specifications or as directed by the Engineer. I Funtlz` srrzt�.r e v ¢2 UT�lRE i 73x 55 ARGH. 35'x 95ux6;7'� ;fit' 0.40 -ARCH (9 O. Q2 %•o � � 6.72 0.2a 6,0'r/A/v. 7.40 6 - - SHAFF kUl7 -1 MOR74R ALL 61DES .i �r✓ Y 5) /r . � L., / / / rv/ SHALL: /O' NORZ. 6' VERT. L/ L/ C,llelec 4/Z 04 i56� APPROVED FOR CONSTRUCTION CITY OF RENTON DEP' OF PUBLIC WORKS DATE 0 rater ANSION JOINT (TXP) JOINT (TYP.) c VAR. VAR. EXPANSION JOINT COPE 10% MAX. $ .. 10" SECTION A -A ALTERNATE 2 EXPANSION JOINT (TYP.) 4, CITY OF RENTON De:►A RTM [PIT Oi PU N LIC WORKS STANDARD INDUSTRIAL a COMMERCIAL Df?1VEW/1Y °c riarax° °Ar: 6-8_3 AM FOY A° T iMiR � GY_ ' •l0"- I Z „QUARRY` 510A ±55 /NA A1D RZ ACE ON Z //VV 8. �73 /-/2 m,,Qr .4 e T ' •- RR r' V/per KAIDC'KOUT CNA A/NEL MA/V NOS. E roR 4-0rYle6 40 "0 CM>O THIS DOCUMENT HAS BEEN REVIEWED BY GOVERNMENTAL AGENCIES AND IS APPROVED FOR CONSTRUCTION. 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