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D . SPRINKLER HEADS : Sprinkler heads shall be of the type shown on the <br /> drawings . Filter screens shall be included with all spray heads . <br /> E . RISERS AND SWING JOINTS : <br /> 1 . Risers and swing joints shall be as detailed on the drawings . <br /> 2 . Risers for shrub heads shall be Schedule 40 PVC pipe . <br /> 3 . PVC Flex connections : Shall be Ag - Products heavy walled flexible <br /> PVC pipe or equal . Average length of each connection is referred to <br /> on the drawings . Special flex cement shall be utilized for making these <br /> connections . <br /> F . REMOTE CONTROL VALVES : Valves shall be as specified on the <br /> drawings . Use Teflon tape only on threaded connections . <br /> G . VALVE BOXES : Valve boxes shall be Ametek VP - 10 or approved equal . <br /> Install flush with finish grade as indicated on drawing . <br /> H . CONTROL WIRING : All wiring to automatic circuit valves shall be OF- 14 <br /> direct burial wire of a different color than the black and white wires used <br /> on the 115 volt A . C . power . Wiring from the controller to the valves shall <br /> be installed in same trench as the mainline where possible . All splices <br /> shall be made with Rain Bird snap -tite connectors , or approved equal . All <br /> wire shall be furnished in minimum 2 , 500 ' reels and spliced only at valve <br /> or tee locations . <br /> I . CONTROLLER : Controller shall be as specified on the drawings . <br /> J . PUMP : Shall be a centrifugal , high head type as specified on the <br /> drawings . <br /> K . 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 <br /> of all irrigated areas and shall make any necessary adjustments at no additional cost to <br /> the Owner . <br /> 2 . INSTALLATION <br /> A . EXCAVATING AND TRENCHING : <br /> 1 . Perform all excavations as required for the installation of the work <br /> included under this section , including shoring of earth banks to <br /> prevent cave - ins . Restore all surfaces , existing underground <br /> F : \Engineering\Special Projects\Enclave Subdivision\Contract Documents\Contract Docmnents\The Enclave.doc\00205 - Landscape & Irrigation <br /> Specifications for Contract2 .doc 4 <br />