Winterization. The Contractor shall turn off the sprinkler system at the meter. Air shall be forced through the system via the blow out tubes on the systems. Air shall pass through each system expelling all water. Care shall be taken when blowing out, as excessive pressure will damage the sprinkler system. It is recommended that air pressure does not exceed normal irrigation system operation pressures. Backflow device ball valves should be left in a partial open or partial closed position to prevent damage from trapped water that will freeze. A second blow out may be necessary on larger systems. Contractor will be responsible for any freeze damage. This should be scheduled no later than October 31 (smaller systems and backflow devices will freeze rapidly). Do not wrap backflow devices with insulation. Take care to winterize flow sensors in irrigation system. Excessive air pressure and heat from excessive length of time blowing air will damage the flow sensor. Utilize blowout tubes beyond the flow sensor whenever possible.
Appears in 2 contracts
Sources: Services Agreement, Services Agreement