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WATER REMOVAL METHODS <br /> AIR"BLOW OUT" <br /> This met'iod should be conducted by a licensed <br /> contractor.It requires an air compressor with a PSI of 50 <br /> — 80 and a 125-185 cubic feet per minute (CFM) rating <br /> for mainlines of 2" or less, (Over pressurizing,can cau <br /> permanent damage.) . <br /> MANUAL & AUTOMA TtC DRA , }h w t #o <br /> ..Turn off water to the irrigation system,Shutoff valve <br /> should be below the freez&line, in a,keated room <br /> or insulated. <br /> 2.Switch the timer on automatic systems to rain mode. <br /> 3.Jt may not be necessary to drain underground pipes if <br /> they are below the freeze line, Insulate all above ground <br /> piping.Use self-sticking foam insulation tape or foam- <br /> insulating tubes, <br /> 4. Drain above ground, gear-driven rotor sprinklers. <br /> 5.insulate backflow prevention device and valves or <br /> remove and store during winter. If insulating, wrap the <br /> device and valves with R-I I fiberglass insulation; cover <br /> with a plastic garbage bag and loosely close with duct <br /> tape to allow air passage.Insulation blankets can also be <br /> purchased at sprinkler supply stores. <br /> A `- SPRING RESTART <br /> Restart is as important as winterization.Flush water <br /> lines by opening ends of drip tubes. Remove sprinkler <br /> nozzles from the last head of each pipe and turf o x <br /> the water,The biggest mistake made when flushing a <br /> system is not allowing water to run long enough. <br /> 1. Don't allow standing water to drain back into pipes. <br /> 2. After flushing,check the system by running each zone. <br /> i~r <br /> Look for leaking valves, clogged emitters and nozzles. <br /> 3.11 the system uses a backup battery not on an automatic <br /> recharge, replace it with an alkaline type. <br /> 4. Program each zone for correct run times.Reset timer <br /> monthly to avoid over watering. <br /> 5. Fertilize plants and lawn areas, if needed. Apply sparingly. <br /> ems; <br /> © „ City of Prescott <br /> "'' Public Works - Water Conservation <br /> F 433 N. Virginia, P.O, Box 2059 <br /> Prescott,AZ 86301 <br /> 928-777-1130 <br /> www.cityolprescott.net <br /> w aters mart(a)cityo Fprescott.net <br />