2004-013.C - Laserfiche WebLink

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i 3 . Victaulic type couplings and fittings may be used in lieu of flanged points . Pipes shall be radius grooved as specified for use with the Victaulic ' couplings . Flanged adapter connections at fittings, valves , and equipment shall be Victaulic Vic Flange Style 741 , equal by GustinBacon Group, Division of Certain-Teed Products, Kansas City, Kansas, or equal . 4 . Sleeve type couplings shall Ypbe used with all burred piping . The ' couplings shall be of steel and shall be Dresser Style 38 , Smith Blair Style413 , Baker Allsteel, or equal . The coupling shall be provided with hot dipped galvanized steel bolts and nuts unless indicated otherwise . ! 5 . All couplings shall be furnished with the pipe stop removed . 6 . Couplings shall be provided with gaskets of a composition suitable for exposure to the liquid within a pipe . 7 . If the Contractor decides to use victaulic couplings in lieu of flanged joints , he shall be responsible for supplying supports for the joints . 5 . TAPPING SLEEVES AND VALVES A . Tapping sleeves shall be long body, mechanical joint type with flanged outlet, ductile iron construction, split in two sections and designed for assembly around the main without halting service . The sleeve shall be suitable for use with the type and O . D . of pipe being tapped. iB . Tapping ' valves ends shall be a standard flange (for bolting to the sleeve) by mechanical joint. Valves shall have oversized seat rings to permit entry of the tapping machine cutters and, except as otherwise specified, shall be similar in construction and operation to AWWA C509 resilient seated gate valves . Tapping valves and sleeves shall be cold water pressure rated at 200 psi minimum for valve sizes up to 12 inches or less and 150 psi minimum for valve size over 12 inches . Tapping sleeves and valves shall be " Mueller" or approved equal . 6 . FIRE HYDRANTS A . Hydrants shall be dry barrel, traffic model , compression type, 5 - 1 /4 inch valve, opening left, with one 4- 1 /2 inch pumper nozzle and two 2- 1 /2 inch hose nozzles (National Standards Threads) . Hydrants shall have mechanical joint 6 " inlet connection and National Standard pentagon operating nut. Hydrants shall be Kennedy Guardian, model K81 A, Mueller, model A423 or Clow Medallion. Hydrants shall meet or exceed the requirements of AWWA C502 . All hydrants shall be painted Federal Safety Yellow - Rustoleum 944 . Hydrants and associated gate valves shall be connected to the main using anchoring fittings , or other approved restraining devices , i iC : \ Down1oad \ techspec - 02502 . doc SC502 - 2