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• <br /> • 3 . PIPE FITTINGS : Comply with the following: For PVC plastic pipe, ASTM-D2466 <br /> socket fittings with ASTM-A2564 solvent cement. <br /> i 4. SPRINKLER HEADS : Sprinkler heads shall be of the type shown on the drawings. <br /> Filter screens shall be included with all spray heads. <br /> 5 . RISERS AND SWING JOINGTS : <br /> • <br /> A. Risers and swing joints shall be as detailed on the drawings. <br /> B . Risers for shrub heads shall be Schedule 40 PVC pipe. <br /> • C . PVC Flex connections : Shall be Ag-Products heavy walled flexible PVC pipe or <br /> equal. Average length of each connection is referred to on the drawings. Special <br /> flex cement shall be utilized for making these connections. <br /> 6. REMOTE CONTROL VALVES : Valves shall be as specified on the drawings . Use <br /> • Teflon tape only on threaded connections. <br /> 7 . VALVE BOXES : Valve boxes shall be Ametek VP- 10 or approved equal. Install flush <br /> • with finish grade as indicated on drawing. <br /> 8 . CONTROL WIRING: All wiring to automatic circuit valves shall be OF- 14 direct burial <br /> r wire of a different color than the black and white wires used on the 115 volt A. C. power. <br /> Wiring from the controller to the valves shall be installed in same trench as the mainline <br /> where possible. All splices shall be made with Rain Bird snap-tite connectors, or <br /> r approved equal. All wire shall be furnished in minimum 2,500 ' reels and spliced only at <br /> valve or tee locations . <br /> • 9 . CONTROLLER: Controller shall be as specified on the drawings. <br /> 10. PUMP : Shall be a centrifugal, high head type as specified on the drawings. <br /> • <br /> 11 . STRAINER: Shall be by Vu Flo, or approved equal. <br /> PART 3 — EXECUTION <br /> 1 . GENERAL: The Contractor shall be responsible for full and complete coverage of all <br /> irrigated areas and shall make any necessary adjustments at no additional cost to the <br /> Owner. <br /> 2 . INSTALLATION <br /> • A. EXCAVATING AND TRENCHING: <br /> 1 . Perform all excavations as required for the installation of the work included <br /> • under this section, including shoring of earth banks to prevent cave-ins . <br /> 7B-4 <br /> • <br />