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SECTION 9 <br /> MISCELLANEOUS VALVES <br /> AND APPURTENANCES <br /> 9 . 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, and reuse mains . <br /> E . Plug valves may be used in lift station valve vaults as approved by <br /> IRCDUS . <br /> F . IRCDUS 's Engineer on a case-by-case basis may approve valves <br /> and 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 per the <br /> Approved Manufacturer's Product List. Water mains shall be <br /> painted blue , force mains shall be painted green , and reuse mains <br /> shall be painted purple. <br /> 9 . 02 GATE VALVES (3-INCH AND LARGER) <br /> A. All buried gate valves shall meet the requirements of AWWA <br /> Standard Specification C509-01 , 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 /> 21 411 , except where shown otherwise . <br /> 9 - 1 <br />