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SECTION 02632 MISCELLANEOUS VALVES AND APPURTENANCES General All of the types of valves and appurtenances shall be products of well-established reuutable firms who are fully experienced and qualified in the manufacturing of the particular equipment to be furnished. The equipment shall be designed, constructed and installed in accordance with the best practices and methods and shell comply with these Specifications as applicable. All valves and appurtenances shall have the name of the maker and the working pressure for which they are designed cast in raised letters upon some appr_-,riate part of the body. All buried valves and appurtenances shall be mechanical joint. All above ground/exposed valves and appurtenances shall be flanged. Gate valves shall be used on water, sewer, and reuse mains. IRCUD's Engineer on a case-by-case basis may approve valves and appurtenances other than those specifically called out in this Section for use. Criteria for approval shall include the interchangeability of the valve or appurtenances, or its parts, with those brands specifically called out in these Specifications. All exposed valves and appurtenances shall be painted per the Approved Manufacturer's Produce List. Water main shall be painted blue, force mains shall be painted green, and reuse mains shall be painted purple. Gate Valves (2 -Inch andLargerl Gate valves shall meet the requirements of AWWA Standard Specification C509-01, or latest revision. Valve shall have clear waterway equal to the full nominal diameter of the valve. Valves shall be double disc parallel seat type, with arrow cast into operating nut or handwheel to indicate direction of opening. Valves shall be rated for 150 -psi working pressure and a minimum 300 -psi test pressure. All valves shall open counterclockwise. Stuffing boxes shall be the "O -Ring" type. Gate valves shall be mechanical joint, ANSI Standards 21.11, except where shown otherwise. Valves shall be fusion -bond epoxy coated ductile iron body, bronze -mounted, resilient seated, non -rising stem type fitted with °O-ring" seals. All bolts to be used in valve bonnet are to be 316 stainless steel. The operating nuts shall be bronze, Standard AWWA 2" square. Body and cover bolts and nuts shall be 316 stainless steel. Stems shall be in full conformance with AWWA specifications. Sizes 14" through 36" bronze ASTM B584 with 80,000 -Ib tensile strength, and cast integral stem collar. All valves shall be installed with minimum of 18" of cover from operating nut to existing grade. Valves 14" or larger may be installed with stem horizontal or by adjusting pipe depth to achieve minimum cover. 02632-1 D \DIVISION 2\02632 Miscellaneous Valves & Appurlenances.doc