FIELD DOCUMENTS AND WORK PLANS 1992-1999

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Valves shall be reduced port, Neles-Jamesbury Series 5000 or approved equal . 15C-5. CHECK VALVES. Check valves shall be designed for liquid service non-pulsating flow. Check valve shall be bronze or brass construction, full port, swing check with Teflon or Viton seal and meet ANSI 125-150 class rating. Valve shall not be spring-loaded, and must be piped in the proper orientation for correct service. 15C-6. SOLENOID VALVE. Solenoid valve shall have a bronze body and bonnet and packless construction without packing box or sliding seal . The normally closed solenoid valve shall be ASCO No. 8211682 or approved equal . Solenoid coil for AC service shall be 120 volt AC, 60 Hz, encapsulated, Class F, for continuous duty at rated voltage plus or minus 10 percent and 40 C ambient, in a NEMA Type 4 enclosure. 15C-7. FLUID SWITCH. A fluid switch shall be installed above ground in the influent pump (IP-1) 3" suction piping. The fluid switch shall prevent the pumping unit from operating when there is no water in the pump suction line. The fluid switch shall be of 316 stainless steel construction, TFE Teflon sensor sheath, integrally mounted electronics housed in a NEMA 4 enclosure. The fluid switch shall be as manufactured by Delta Controls Corp. , Type 633 or approved equal . 15C-8. FLOW METERS. Flow meter assemblies shall be installed in the locations indicated on the drawings. Corrosion-resistant materials shall be used throughout the mechanical enclosure. The Contractor shall relocate FM-1 and appurtenant one inch piping from the pilot system and reinstall as FM 13-01 during full-scale construction. The Contractor shall relocate FM-3 from MW-206 and reinstall for service as FM 13-12. FM 13-21 and FM 13-23 shall be two inch, propeller type Ametek McCrometer flow meters to be provided by Owner. FM 13-02, 03, 04, and 05 shall be one inch, rotor type in-line flow meters (Hersey MVR 30). Flow meters shall perform with an accuracy of 0.50 percent in a flow range of 6-30 gallons per minute. The maximum pressure drop shall not exceed 7 psi at a flow rate of 30 gallons per minute. FM 13-13 shall be a one inch magnetic type flow meter (Sparling Instrument Company, Model # FM 621-OF-1-5-0-0-0) . FM 13-13 shall be an in-line flow meter with integrated rate/totalizer and 4-20 mA output. FM 13-22 shall be a two inch, rotor type in-line flow meter (Hersey MVR 160). Flow meter shall perform with an accuracy of 0.50 percent in a flow range of 60-160 gallons per minute. The maximum pressure drop shall not exceed 11 psi at a flow rate of 160 gallons per minute. (MARLEY FSSF ) (CONTRACT NO. 13 ) 15C-3 (11654.812 )