25A - AGMT IRRIGATION CONTROL - Laserfiche WebLink

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A. Install master valves as specified on drawings. B. Install master valve wire in a separate conduit and connect to terminal strip at controller. 3.8 VALVE BOXES A. Install valve boxes with each type of irrigation equipment so that top of valve box is above finish grade as specified on the detail drawings. Valve box extensions are acceptable for master valve. B. Place gravel sump below and around each valve box prior to installing valve box as specified on the drawings. Place remaining portion of gravel inside valve box allowing full access in and around all fittings. Valve box shall be fully supported by gravel sump. No brick or wood supports are allowed. C. Brand valve box lid of associated equipment as follows: 1. Master Valve box lid with: "MV" 2. Flow Sensor valve box lid with: "FS" AR" 3. Wire Splice box lid with the letters "WS" 4. Grounding rod valve box lid with the letters "GR" a) Letter and number size of brand shall be no less than 1" and no greater than 1 1/2" in height and shall be 1/8" maximum in depth. Provide sample branding to The City of Santa Ana authorized representative prior to commencement of work. b) Walk through for substantial completion will not be allowed until all branding is complete. 3.9 AUTOMATIC CONTROLLER UNIT A. Verify electrical power at location of automatic controller unit prior to installation of automatic controller unit. Notify The City of Santa Ana authorized representative immediately if power source is not available. B. Hardwire controller to the on/off switch and existing power source. Controller shall not be plugged into socket provided for other equipment. C. Install automatic controller unit where shown on drawings per manufacturer's specifications. Controller shall be tested with complete electrical connections. The Contractor shall be responsible for temporary power to the Controller for operation and testing purposes. D. Connect flow sensing and master valve wiring to controller unit. E. Install a separate ground wire for each controller unit as specified on the drawings. F. Above ground conduit shall be rigid galvanized pipe with the appropriate fittings. Below ground conduit shall be PVC SCH 80 electrical conduit pipe with appropriate fittings. G. Each automatic controller unit shall be completely operable prior to scheduling a walk through for substantial completion. 3.10 ELECTRICAL WIRE A. Water Tight Electrical Connectors: 1. Insulator tube shall be filled with a non hardening insulating gel. 2. The splices shall be UL listed for 600 volts maximum 3. Use Scotchlok electrical connectors (wire nuts) to splice wires together.