DIVISION 1 - GENERAL REQUIREMENTS - IDEAS-EC

B. Water Valves1. Exposed and buried valves (3 IN and smaller)a. Bronze valveb. Meeting MSS SP-80c. Rated for 200 LB. working pressured. Non-rising stem (NRS) with "O" ring stem seal using resilient syntheticrubbere. Assure stuffing box capable of being repacked under pressuref. Malleable iron hand wheel2. Exposed and buried valves (3 IN to 12 IN)a. Iron body, resilient seated wedge typeb. Rated 200 PSI working pressurec. Meeting AWWA C509d. Non-rising stem (NRS) with “O” ring stem seal using resilient syntheticrubbere. Injected madded rubber seats of EPDM (Terpolymer of Ethylene, Propyleneand a Diene)f. Epoxy coated and lined meeting AWWA C550g. Rubber encapsulated gate and corrosion protectedh. Markings meeting AWWA C509 that include manufacturer, year ofmanufacture, maximum working pressure, and size of valve2.3 SOURCE QUALITY CONTROLA. Provide Manufacturer’s Certification to show conformance with AWWA 500 and AWWA 509testing and standards.PART 3 - EXECUTION3.1 EXAMINATIONA. Prior to installation, inspect interconnecting piping and end connections to assure compatibility.B. Prior to installation, inspect and verify condition of valve and appurtenances. Installation constitutesinstaller's acceptance of product condition for satisfactory installation.C. Assure exposed piping is sufficiently supported to bear weight of valve when it is installed.3.2 PREPARATIONA. Correct defects or conditions which may interfere with or prevent a satisfactory installation.3.3 ERECTION/INSTALLATION/APPLICATIONA. See Section 15100B. Install buried valves in the closed position. Support valve in trench to prevent settling and excessivestrain on the connection to the pipe.15101 - 211/07 GATE VALVES