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HomeMy WebLinkAboutS-14270C15EL ASED PER C.OE KLL 5.3-90 13EV15F.D �)tilTgfi`i' SEEP NOTE NO. [La. GENERAL, NOTES 1. ALL CONSTRUCTION AND MATERIALS ARE TO CONFORM TO THE. STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON AND W.S.D.O. T. STANDARD SPECIFICATIONS, 1988 EDITION, UNLESS OTHERWISE SPECIFIED. 2. THE EXISTENCE AND LOCATION OF ANY UNDERGROUND UTILITY PIPES OR STRUCTURES SHOWN ON THESE DRAWINGS WERE OBTAINED BY A SEARCH OF THE AVAILABLE RECORDS. TO THE BEST OF THE ENGINEER'S KNOWLEDGE , THERE ARE NO EXISTING UTILITIES EXCEPT AS SHOWN ON THESE DRAWINGS. THE ENGINEER ASSUMES NO RESPONSIBILITY AS TO THE ACCURACY OF THEIR DEPICTED LOCATION ON 'THESE DRAWINGS. THE CONTRACTOR IS REQUIRED TO 'CAKE THE PRECAU'T'IONARY MEASURES TO PROTECT UTILITY LINES SHOWN AND ALL OTHER LINES NOT ON RECORD OIL NOT SHOWN ON THESE DRAWINGS VERIFYING THEIR LOCATION PRIOR TO THE START OF WORK. FOR UTILITY LOCATION IN KING COUNTY, CALL 1- 800 -424 -5555. GRADING & DRAINAGE NOTES 1. BEFORE ANA' CONSTRUCTION Olt DEVELOPMENT ACTIVITY occults, A PRI.:- CONSTRUCTION MEETING .MUST 13E HELD WITH THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS, DESIGN ENGINEER. Z. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE "1988 STANDARD :PI.CIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION" 1RIPARI:D BY W.S.D.O.T., AND TIIE AMERICAN PUBLIC IVORIES ASSOCIATION (APWA), AS AMENDED I3Y THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS. 3. THE STORM DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE IN THE DEPARTMENT OF PUBLIC WORKS. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN .APPROVAL FROM THE-. CITY OF REN'I'ON DEPARTMENT OF PUBLIC WORKS, DESIGN ENGINEER Olt. STORM WATER UTILITY. 4. ,\ COPY OF T'III:SU APPROVED ROA LD PLANS 11L'S'L' 136 ON T'IlI' JOB SITE WIIF,N UV ER CONSTRUCTION IS IN PROGILESS. :i. DATUM SHALL 131' U.S.G.S. UNLESS OTUERIVISt' APPROVED BY CITY OF RENTON, DI'PARTM ENT Or PUBLIC WORKS. ItEFERENCE BENCHMARK AND ELEV'AT'ION ARE NOTED ON THE PLANS. I;. ALL SI:DI111iN'CA'rION /EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLI:A'11NG AND BUILDING CONSTRUCTION., AND THEY MUST 13E SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON- 5,1:11: EROSION HAS PASSED. 7. ALL RET'ITNTION /DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION' PRIOR TO OR IN CONJUNCTION WITH ALI CONSTRUCTION ACTIVITY UNLESS O'I'III:RI'IrSC APPROVED BY 'L'iIC DEPARTMENT OF PUBLIC WORKS, STORM IV'ACER UTILITY. 8. GRASS SEED MAY BE, APPLIED 13Y HYDROSEEDING. THE GRASS SEED MIXTURE, OTHER THAN CITY OF RENTON APPROVED STANDARD 111X1,. SHALL BE SUBMITTED I 3} A LANDSCAPE ARC ITI:CT AND APPROVED BY ']'HE DEPT. OF PUBLIC WORKS, STORM WATER UTILITY. 9. ;ILL PIPIT AND APPURTUNANCES SHALL 13E LAID ON A PROPF,RLY PREPAAED FOUNDATION IN ACCORDANCE WITH SECTION' 7-02.3(t) 017 L'lIE. CL`RItENT STATE 01 WASHINGTON STANDARD SPECIFICATiox 11011 ROAD AND BRIDGE CONS'I' ICU C'1I ON. ']'HIS SHALL INCLUDE NECESSARY LEVELING. OF THE TRENCH BOTTOM 01, THE TOP OF '1'111. rOUNDATiON MATERIAL AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL TO UNIFORM GRADE SO THAT THE IN'IRI3 LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DI.NSI' I.N}ILl1)IN(; BASE. ALL PIPE BIDDING SHALL 13L APWA CLASS 'C', 1\I'I'II 'TIIE, EXCEPTION, OF PVC Pi. PE. AL], TRENCH BACKPILL SHALL BE E COMPACTED TO MINIMUM :Iv FOR PAVEMENT AND STRUCTURAL FILL AND 90% OTHERWISE PUR ASTM D- 1557 -70. PEA GRAVEL. REEDING SUALL HE 6' OVER AND UNDER P.V.C. PIPE. 10. GALVANIZED STEEL PIPE AND ALUMINIZED STEEL PIPE. FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT Y1 OR BETTER INSIDE AND OU'T'S I DE. 1 1 . STRUCTURES . LCTURCS 511 ALI. N0'C E BE RER1111'TEII 1\ITIIiN 10 FEET OF THE SPRING LINE 01' ANY STORM DRAINAGE-: PIPE, Oft 15 FEET FROM THE TOP OF ANY CHANNEL BANK. 12. At.[, C'A'CCII BASIN GRACES SIIALI, BE DEPRESSED 0.10 FEET BELOW PAVEME'N'T LEVEL. 1:1. OPEN CUT ROAD CROSSING THRU EXISTING PUBLIC RIGHT -OF -WAY WILL NOT BE ALLOWED UNLESS SPECIFICALLY APPROVED BY CITY OF RENTON DEPT. OF PUBLIC WORKS, DESIGN ENGINEER. 1.4. (LOCK FOR i.ROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED. SHALL BE Oil SOUND QUARRY ROCK PLACED TO A DEPTH OF 1 ROOT AND }LUST MEET THE FOLLOWING SPECIFICATIONS: 4 " -8 "/4011, -70% PASSING: 22"-4- l;o(li/sD -40 PASSING; AND -2" ROCK /10% -20% PASSING. 15. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THI: STORM DRAINAGE. SYSTEM. UNLESS .APPROVED BY 'THE DEPT. OF PUBLIC WORKS, DESIGN T;NGINL'ER OIL STORM WATER UTILITY. AN ACCURATELY DIMENSIONED CERT.vIF.D A, BUILT DRAWING OF THIS DRAINAGE SYSTEM WILL RE SU1311i'PTED 'CO THE CITY OF RENTON UPON COMPLETION. 1G. ISSUANCH OF THE BUILDING OIL CONSTRUCTION PERMIT BY THE CIT1 OF RENTON DOES NOT RELIEVE TuE OWNER or '1'111; CONTINUING LEGAL OBLIGATION AND /OR I,IAI3[LITY CONNECTED WITH STORM SURFACE WATEIZ DISPOSITION. FURTHER, THE CITY 01' 12 L: \'CON DOES NOT ACCEPT ANY OBLIGATION POR THE PROPER FUNCTIONING AND MAINTENANCE. OF THE SYSTEM PROVIDED DURING CONSTRUCTION. 17. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTF CTIVC EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT 'TIIE LIFE 111:,11.TH, AND SAFETY OF THE i'l: l ?I.IC AND To PROTECT PROPERTY IN CONNECTION WITH THE PERI'ORMANCE OF WORK COVERIiD 13Y THL CONTRACT. ANY WORK WITHIN THE TRAVELED RIG1IT -OF -WAR' THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE AN* APPROVED TRAFFIC; CON'T'ROL PLAN BY THE TRAFFIC ENGINEERING DIV. OF THE DEPT. OF PUBLIC WORKS. ALL SECTIONS OF THE W.S.D.O.T. STANDARD SPECIFICATIONS 1- 07 -23, TRAFFIC CONTROL, SHAI.I. APPLY. I8. SPECIAL DRAINAGE MEASURES WILL HE REQUIRED IF THE PROJECT LOCATION IS WfTll1N THE AQUIFER PROTECTION AREA. i I i i I A I I 1 I A i I i AL I A, I. ALL WORK AND MATERIAL SHALL BIi IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON UTILITY DEPARTMENT AND THE LATEST EDITION OT' THE WSDOT /APWA STANDARDS AND SPECIFICATIONS. SET OF APPROVED PLANS SIIALI. BE KEPT ON SITE AT ALI, TIMES DURING CONSTRUCTION. 2. THE HOURS OF WOxK 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 -2635. ALL STREET CLOSURES, PARTIAL OR FULL, SHALL BE APPROVED BY THE DEPARTMENT OF PUBLIC WORKS 24 HOURS IN ADVANCE. THE POLICE DEPARTMENT, FIRE DEPARTMENT, AND 911 SHALL BE NOTIFIED 24 HOURS IN ADVANCE. 3. ALI. LOCATIONS OF EXISTING UTILI'T'IES S!iOWN ARE APPROXrMATL•' AND IT SHALL BIi THE CONTRAC'TOR'S RESPONSIBILITY TO VERIFY THE TRUE AND CORRECT LOCATION SO AS TO AVOID DAMAGE OR DISTURBANCE. FOR UTILITY LOCATE CALL 48 HOUR LOCATORS, 1- 800 -42s -5555. 4. ALL WATER MAIN PIPE TO BE CEMENT. LINED DUCTILE ]RON PIPE CONFORMING TO AWWA C110 . AND Cill OR LATEST REVISION, THICKNESS CLASS 52. CEMENT MORTAR LINING AND SEAL COATING SHALL CONFORM TO AWWA 0104 OR LA'T'EST REVISION. PIPE JOINTS TO BE PL'SII- ON. .:OR MECHANICAL JOINT. BUDDING TO BE CLASS C. ALL DUCTILE IRON PIPE INSTALED SOUTH OF SUNSET BLVD. (EMPIRE WA]', SR .900) AND WEST OF SR 167 (EAST VALLEY FREEWA )) OR IN SOILS OF NIGH RESISTIVITY SHALL BE POLYETHYLENE WRAPPED PER ANSI /AWWA C105 -77 STANDARDS. 5. CAST. IRON APD DUCTILE IRON FITTINGS SHALL BE CEMENT LINED, PRESSURE RATED AS NOTED ON PLANS, AND IN ACCORDANCE WITH .ANSI /AWWA CIIO /A21.10 -82. CEMENT LINING SHALL BE IN ACCORDANCE WITH ANSI /AWWA C104/A21.4 -85. IF FITTINGS ARE 3 INCHES TO 12 INCHES IN DIAMETER AND HAVE MECHANICAL JOINTS, THE FITTINGS SUALL BE IN ACCORDANCE WITH EITHER ANSI /AWWA C110/A21.1.0 -82. OR .ANSI. /AWWA.. (:153/A21.53 -84. 3 -INCH TO 12 -INCII DIAMETER FITTINGS WHICH HAVE MECHANICAL JOINT'S AND /Olt FLAGGED JOINTS SHALL BE IN ACCORDANCE WITH ANS 1 /AIVIVA CI.10 /A21.,.I() -8.2 O1? A :. COMB 1A!ATI ON OF ANSI /AWWA CI10 A21.10.82 AND ANSI/AWWA - A 1 A C1.53 A21. 53 84 SUCH A" / / / THAT THE PORTION OF THE FITTING WITH 'A MECHANICAL A, 1CAI: JOINT(S), IIA]'I3E IN ACCORDANCE WITH ANSI /AWWA C153/A21.53084 AND THAT PORTION OF THE FITTING. WITH FLANGED JOINTS(S) SHALL BE IN ACCORDANCE WITH ANSI /AWWA 0110 /121..10 82. ACCEPTANCE TESTING IN ACCORDANCE WITH .SECTION 53 -5.3 OF ANSI /AWWA C153/A21.53 -84 OR WITH SECTION 10 -4.3 OF ANSI /AWWA C110/A21.10 -.82 SHALL: 13E OBTAINED BY THE CONTRACTOR AND - TRANSIII TT'ED TO THE OWNER. G. GAZE VALVES SHALL CONFORM TO AWWA C500 AND SHALL BE IRON BODY, BRONZED - MOUNTED, . DOUBLE DISC WITH BRONZE WEDGING DEVICE AND O. -ICING STUFFING BOX. VALVES SHALL' BE DESIGNED FOR A MINIMUM WATER. OPERATING PRESSURE OF 200 PSI.. GAPE VALVES SUALL BE CEOW LIST 14, MUELLER COMPANY NO.A2380, OIL M&H. ALL VALVES. 12' IN DIAMETER AND LARGER, SHALL SHAI...L BE INSTALLED IN A:VAULT. SEE. WATER SIANDARD DETAIL FOR 12." GA'Z'E VALVE: ASSEMBLY -VAULT AND 1" BYPASS INST I l i,n'f I nN . 7. FIRE HYDRANTS .SHALL BE COREY TYPE (OPENING WITH THE PRESSURE) CONFOILMI'G - - - '['O AWWA C 504 80 WITH A G INCH INLET AND A M.V.O. OF D INCITES, TWO, 2 -1/2 INCH HOSE NOZZLES WITH : NITJONAL STANDARD 7 INCH, : DC R r.E_ V. THREADS, O.D. THREAD ' 4.875 5 AND 11001' DIAMETER 4.6263 1 -1/4 INCH PENTAGON OPERATING NUT OPENED BY TURNING. COUNTER CLOCKWISE (LEFT).. 8. ALL WATER MAIN 10 INCITES AND SMALLER TO MAINTAIN A MINIMUM OF 36 INCHES BELOW. FINISH GRADE. ALL WATER MAIN 12INCHES 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. 9. ALL WATER MAINS SIX (G) INCITES IN DIAMETER AND LARGER SHALL BE (,•r ..CANED WITH [ PIPE CLEANING "PIGS" PRIOR '1'O DISINI'ECT10N. THE POLY PIGS SHALL BE GIRARD INDUS'T'RIES AQUA SWAB -AS OR APPROVED EQUAL, 2LH /CU FT DENSITY FOAM WITH 90A DUROMETER URETHANE RUBBER COATING ON TUE REAR OF "PIG ONLY. "PIGS" SHALL. PR CYLINDER SHAPED WITH BULLET NOSE OR .SQUARE END CITV r05CES . IVILL ASSIST TOE C,01IT ILTOR WIIO WILL PERFORM THE CLEANING OPERATION. 9A. ALL WATER MAINS AND SERVICES.. SHALL BE PRESSURE TESTED TO A MINIMUM OF 200 PSI OR 150 PSI OVER OPERATING PRESSURE, IN ACCORDANCE WITIL THE SPECIFICATIONS OF THE CITY OF RENTON AND THE WASHINGTON STATE HEALTH DEPARTMENT. ALL L 111 S IS LRE IES1'f \C SHALL I3E DONE L IN THE PR1'SI NCL ' OF A REPRESENTATIVE Or THE CITA' OF RENTON. TON . 9B. ALL WATER MAINS AND SERVICES SHALL BE DISINFECTED. BY THE INJECTION OF A 50 PPM (MINIMUM CONCENTRATION) CHLORTNE /WATER SOLUTION. DRY CALCIUM CIYPOCHLORIT'E SHALL NOT BE PLACED IN THE PIPE AS LAID. CHLORINE SHALL BE METERED /INJECTED IN ACCORDANCE .WITH SECTION 7-11.3(12)E OR 7- 11.3(12)F OF THE STANDARD SPECIFICATIONS REFERENCED IN 1 ABOVE. 10. A PRECONSTUCTION CONFERENCE IS REQUIRED 'PRIOR TO ANY CONSTRUCTION. A MINIMUM OF 3.. (THREE) WORKING DAYS NOTICE I.S REQUIRED FOR SCHEDULING. PRIOR TO SCHEDULING THE PRECON A PERMIT INFORMATION SHEET MIi S'1' BE SUPPLIED TO THE UTILITY ENGINEER'S OFFICE. TWENTY FOLa HOUR NOTICE WILL BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. I1. IT SIIALI. BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE :ILL NECESSARY PERMIT'S PRIOR TO STARTING CONSTRUCTION. 12. INSTALLATION 01' CORPORATE STOPS, WATER SERVICES, LINT'S AND METERS SHALL NOT BE DONE UNTIL ALL SEILVICE AGREEMEN'T'S, METER APPLICATIONS, CONSTRI'C'TION PERMITS, AND PAYMENT OF FE-LS HAVE BEEN MADE TO THE CITY OF RENTON. 13. ALL CONNECTION TO EXISTING MAINS TO BE ACCOMPLISHED BY THE CITY OF RENTON, EXCEPT WET TAPS WHICH MAY BE MADE BY APPROVED WET TAP CONTRACTORS WITH PRIOR APPROVAL OF FROM THE DEPARTMENT 01' PUBLIC WORKS. ALL NECESSARY EXCAVATION AND MATERIALS TO BE SUPPLIED BY THE CONTRACTOR AND BE ON-SITE PRIOR TO CITY NOTIFICATION. 14. INSPECTION WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE C!TY OF RtN'CON. IT SHALL BE THE: CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE UTILITY DEPARTMENT 24 HOURS IN ADVANCE OF BACKFILLING ALI. CONSTRUCTION. THE CONTRACTOR AS WELL AS THE .ENGINEERS SHALL KEEP. AS -BUILT DRAWINGS. 1.5. CONTRAC'T'OR TO PROVIDE PLUGS AND 'T'EMPORARY BLOW -OFF ASSEMBLIES FOR TESTING AND PURITY ACCEPTANCE PRIOR TO FINAL TII' -IN: J'A Is m WATER NOTES CONT. 16. ALL JOINT RESTRAINT SYSTEMS (SHACKLE RODS, NUT'S, BOLTS, Ecr.) SUALL BE AS MANUFACTURED BY THE STAR MANUFACTURING COMPANY O[' COLUMBUS 01110 Olt EQUAI, APPROVED IN WRITING BY THE DEPARTMENT Or PUBLIC WORKS. 17. ASPHALT AND CONCRETE STREET PAVING SHALL BE SAWCUT TO A MINIMUM DEPTH OF TWO INCITES. OIL MAT STREETS MAY BE SPADE CUT. ALL SURFACE CONCRETE, PAVEMENT, SIDEWALKS, CURB, GUTTERS, AND DRIVEWAY APPROACHES SHALL BE SAWCUT 'CO A MINIMUM DEPTH or two INCITES OR REMOVED TO AN EXISTING EXPANSION JOINT. 18. .A TEMPORARY COLD MIX ASPHALT PATCH SHALL BE PLACED ON THE DAY OF INITIAL EXCAVATION' WITH A PERMANENT, SEALED PATCH TO BE PLACED, TO CITY Or RENTON POLICY, LVI'CI {IN TEN DAPS. CALL FOR SUBGRADE INSPECTION PRIOR TO PLACEMENT OF FINAL PATCH. TRIENCHES WILL NOT BE LEFT OPEN OVER NIGHT WITHOUT PRIOR WRITTEN APPROVAL. OF THE I NSPI :CTOR. 19. FOR CITY PROJEC'T'S SUCH AS TELEMETRY CONDUIT, TNT, PVC PIPE USED SHALL BE SCHEDULE 40 IN UNIMPROVED AREAS AND SCHEDULE 80 UNDER IMPROVED AREAS. ALL CUIPMICAL PROCESS LINES SHAI.I. BE SCHEDULE 80 PVC PIPE. SANITARY SEWER NOTES 1. ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON UTILITY DEPARTMENT AND THE LATEST EDITION OF THE WSDOTi APWA STANDARDS AND SPECIFICATIONS. Z. THE HOURS OF WORK IN THE STREET RIGHT -OF -WAY SHALL BE LIMITED TO 8:30 A.H. TO 3:30 P.M. ON WEEKDAYS UNLESS OTHERWISE APPROVED IN WRITING BY THE DEPARTMENT OF PUBLIC WORKS AT 235.2620. ALL STREET CLOSURES, PARTIAL OR FULL, SHALL BE APPROVED BY THE DEPARTMENT OF PUBLIC WORKS 24 HOURS IN ADVANCE. THE POLICE DEPARTMENT, FIRE DEPARTMENT,AND 911 SHALL. BE NOTIFIED 24 HOURS IN ADVANCE 3. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH "STANDARD SPECIFICATIONS OR MUN IC IPA L PUBLIC WOR KS CONSTRUCTION" BY WASHINGTON STATE CHAPTER AMERICAN PUBLIC 'WORKS ASSOCIATION LATEST EDITION ( APW A) A ND CITY OF RENTON STANDARD SPECIFICATIONS. 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. 5. A PRECONSTRUCTtON 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 HE. THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE UTILITY DEPARTMENT 24 HOURS IN ADVANCE OF BACKFILLIHG ALL CONSTRUCTION.. 6 CONTRACTOR. IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS AND SEQUENCES OF CONSTRUCTION AND FOR THE SAFETY OF WORKERS AND OTHERS OM THE CONSTRUCTION SITE. 7. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR. TO OBTAIN STREET USE AND ANY OTHER :RELATED PERMITS PRIOR TO ANY CONSTRUCTION. 8. PLANS APPROVED BY THE CITY OF RENTON, PUBLIC WORKS. DEPARMEHT SHALL TAKE. PRECEDENCE: OVER ALL OTHER PLANS.' 9. A*COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN .PROGRESS. 10. THE CONTRACTOR SHALL PROVIDE THE CITY OF RENTON WITH ANAS•BUILT DRAWING OF THE SANITARY SEWER SYSTEM WHICH HAS BEEN STAMPED AND SIGNED BY A LICENSED PROFESSIONAL G E L EH WEER OR LICENSED PROFESSIONAL SURVEYOR. 11. 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 THOROUGRLY. 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 TIIE SAME AS DESCRIBED. 12. OPEN CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXISTING TRAVELED. ROADWAY SHALL BE BACKFILLED WITH CRUSHED ROCK AND MECHANICALLY COMPACTED. CUTS INTO THE EXISTING ASPHALT SHALL BE NEATLINF. CUT WITH SAW IN ACONTINUOUS LINE. A TEMPORARY MIX PATCH MUST BE PLACED IMMEDIATELY AFTER BACKFILL AND COMPACTION. A PERMANENT HOT MIX PATCH SHALL BE PLACED WITHIN 10 DAYSAND SHALL BE PER CITY OF RENTON CURRENT STANDARDS. 13.. DATUM SHALL BE CITY dF RENTON U.S.C.. AND G.S. 14. ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR OTHERWISE STABILIZED TO IKE SATISFACTION OF THE DEPARTMENT FOR THE PREVENTION OF ON-SITE EROSION AFTER THE COMPLETION OF CONSTRUCTION 15. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH'. SECTION 7-02.3(1) OF THE CURRENT STATE. OF WASHINGTON STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE ` NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION' MATERIAL AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED . a �� �i'" <•.•. to ' 0iVAL EN - }�. (p dt IRO C) M ID 0 LO W4 m II cu w (D 96 0 V N BEDDING MATERIAL TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON UNIFORMLY DENSE UNYIELDING BASE. PIPE BEDDING SHALL BE PEA GRAVEL 6" ABOVE AND BELOW THE PIPE. PROJECT NO 16. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3034, SDR 35, OR DUCTILE IRON CLASS 58: - 88 -104 17. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCH AND MAXIMUM 18 INCH ABOVE. FINISHED. GRADE. IN PAVED AREA, COVER MUST SLOPE IN IRE DIRECTIONS TO MATCH PAVING. ORAWIV BY SASESPEC:If(am KLL i .. ISSUE DATE PLANNING -_OINJSULTANTE 1 X 1 1 1 Ln Ln z 0 I. m L® E-q m W U/1 0 I Z ISM w (O O cc N T I W ° F _ 0 z IL (n T Q O F- co CC r N W O 0 I= H CL M" O m i) W V 0 Z Ii J L'0 v a Q I 5i 7� vx oc a �. r a v BEDDING MATERIAL TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON UNIFORMLY DENSE UNYIELDING BASE. PIPE BEDDING SHALL BE PEA GRAVEL 6" ABOVE AND BELOW THE PIPE. PROJECT NO 16. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3034, SDR 35, OR DUCTILE IRON CLASS 58: - 88 -104 17. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCH AND MAXIMUM 18 INCH ABOVE. FINISHED. GRADE. IN PAVED AREA, COVER MUST SLOPE IN IRE DIRECTIONS TO MATCH PAVING. ORAWIV BY SASESPEC:If(am KLL i .. ISSUE DATE PLANNING -_OINJSULTANTE 1 X 1 1 1