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HomeMy WebLinkAbout300.6NOTES: 1.WET TAPPING OF EXISTING WATER MAINS SHALL BE PERFORMED BY A CITY APPROVED WET TAP CONTRACTOR (SPEER TAPS, INC., LEGACY TAPPING, INC. OR OTHER FIRM APPROVED BY CITY ENGINEER). 2.CONTRACTOR SHALL POTHOLE AND VERIFY THE HORIZONTAL AND VERTICAL ALIGNMENT OF EXISTING WATER MAIN AND SHALL LAY THE NEW WATER MAIN TO MATCH. 3.TAPPING TEE SHALL BE STAINLESS STEEL OR STEEL WITH FULL CIRCLE SEAL WITH CORTEN OR STAINLESS STEEL NUTS AND BOLTS. 4.ALL TEES AND VALVES SHALL BE WATER TESTED BEFORE TAPPING OR ASSEMBLY SEALS SHALL BE TESTED VIA AIR PRESSURE AFTER THE TAPPING SLEEVE IS INSTALLED TO THE MAIN AND THE TAPPING VALVE IS INSTALLED. 5.TAPPING TEES MAY BE SIZE-ON-SIZE, PROVIDED THE SHELL CUTTER DIAMETER IS AT LEAST 2" SMALLER THAN THE EXISTING MAIN DIAMETER. 6.TAPPING TEES SHALL NOT BE INSTALLED ON STEEL OR ASBESTOS CEMENT WATER MAINS. COMPACTED BEDDING GRAVEL PER SECTION 9-03.12(3) OF THE WSDOT STANDARD SPECIFICATIONS CONCRETE SUPPORT BLOCKS CONCRETE BLOCKING PER STD PLAN 330.1 MAIN NEW WATER MAIN ELEVATION PUBLIC WORKS DEPARTMENT APPROVED: DATEMartin Pastucha Public Works Administrator TAPPING TEE STD. PLAN - 300.6 6/28/2023