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HomeMy WebLinkAboutTED4001759.1���1E1�6IlQLv�_EQB__�I4BM__Q�fil��-_BLID_ _A�II®R_Y_._�EkLE-LL 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 PROV IDE 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 SHALL BE CONCRETE, RUBBER GASKETED ASTM C14, CL.2 OR ASTM C-76-11 OR 16 GA. GALVANIZED STEEL TREATMENT 1 ASPHALT COATED OR 16 GA. ALUMINUM HELICAL CORRUGATED METAL PIPE WITH WATERTIGHT CONNECTING BANDS. 6. BEDDING FOR STORM DRAIN PIPE SHALL BE CLASS "B" PER APWA STANDARD PLAN NO. 62 (PEA GRAVEL FROM 4 INCHES BELOW PIPE TO SPRINGLINE FOR PIPES 27 INCH AND SMALLER AND FROM 6 INCHES BELOW PIPE TO SPRINGLINE FOR PIPES 30 INCHES AND LARGER.) 7. TRENCH WIDTH SHALL BE 40 INCH MINIMUM OR 1-1/2 TIMES THE PIPE DIAMETER PLUS 18 INCHES WHICHEVER IS GREATER. BACKFILL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE IN 6 INCH LAYERS COMPACTED TO 955% OF MAXIMUM DENISITY. 8. TYPE 1 CATCH BASINS SHALL BE APWA STANDARD PLAN NO. 52, TYPE 1-C WITH APWA STANDARD PLAN NO. 49 FRAME AND GRATE AND TYPE 60 OUTLET TRAP. TYPE'II CATCHBASINS SHALL BE APWA STANDARD PLAN NO. 55, TYPE 1 1 -C WITH THE SAME FRAME AND GRATE w OUTLET TRAP , 9. CONTRACTOR IS S 0 L E Y 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 CONCRETE RUBBER GASKETED ASTM C14-CL.3 OR ASTM C76-11 OR POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3,03 4 . SAID ITAR! M4-I . SAIJITARY MN. T. F . I b . OIo -l�'SS-�_, �•� lb.Sb I.E.'L.9b I a"SS ��, . I ' E.. 3.2 ( _l l3 SS - CAT(f-N t3A.S 1 tJ STo RM Q RA t ►J LSE SYSTEM le> tJ. 1' 14yb" E. 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