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SECTION 11 <br /> MISCELLANEOUS VALVES <br /> AND APPURTENANCES <br /> 11.01 GENERAL <br /> A. All of the types of valves and appurtenances shall be products of <br /> well-established reputable firms who are fully experienced and <br /> qualified in the manufacturing of the particular equipment to be <br /> furnished. The equipment shall be designed, constructed and <br /> installed in accordance with the best practices and methods and <br /> shall comply with these specifications as applicable. <br /> B. All valves and appurtenances shall have the name of the maker <br /> and the working pressure for which they are designed cast in <br /> raised letters upon some appropriate part of the body. <br /> C. All buried valves and appurtenances shall be mechanical joint. All <br /> aboveground/exposed valves and appurtenances shall be flanged. <br /> D. Gate valves shall be used on water, sewer, reclaimed and brine <br /> mains. <br /> E. Plug valves may be used in lift station valve vaults as approved by <br /> IRCDUS. <br /> F. IRCDUS, on a case-by-case basis may approve valves and <br /> appurtenances other than those specifically called out in this <br /> Section for use. Criteria for approval shall include the <br /> interchangeability of the valve or appurtenance, or its parts, with <br /> those brands specifically called out in these specifications. <br /> G. All exposed valves and appurtenances shall be painted in <br /> accordance with IRCDUS Approved Manufacturer's Product List. <br /> Water mains shall be painted blue, force mains shall be painted <br /> green, reuse mains shall be painted purple and brine shall be <br /> painted brown. <br /> 11.02 GATE VALVES (3-INCH AND LARGER) <br /> A. All buried gate valves shall meet the requirements of AWWA <br /> Standard Specification C509-0515, or latest revision. Valves shall <br /> be rated for 150-psi working pressure and a minimum 300-psi test <br /> pressure. Valves shall be ductile iron body, bronze-mounted, <br /> resilient seated, non-rising stem type fitted with "O-Ring" seals. <br /> All bolts to be used in valve bonnet are to be stainless steel. The <br /> operating nuts shall be Standard AWWA 2" square. All valves <br /> shall open counterclockwise. Stuffing boxes shall be the "O-Ring" <br /> type. Gate valves shall be mechanical joint, ANSI Standards <br /> r 21.11, except where shown otherwise. <br /> 11 - 1 <br />