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socket fittings with ASTM-A2564 solvent cement . <br /> 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 JOINTS : <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 <br /> flush with finish grade as indicated on drawing. <br /> 8 . CONTROL WIRING: All wiring to automatic circuit valves shall be OF- 14 direct <br /> burial wire of a different color than the black and white wires used on the 115 volt <br /> A. C . power. Wiring from the controller to the valves shall be installed in same trench <br /> as the mainline where possible . All splices shall be made with Rain Bird snap-tite <br /> connectors, or approved equal . All wire shall be furnished in minimum 2, 500' reels <br /> and spliced only at 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 /> 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 /> Restore all surfaces, existing underground installations, etc . , damaged or cut as <br /> a result of the excavations to their original conditions . <br /> 2B - 4 <br />