Specifications include, but are not limited to: Work shall include but not be limited to the following in order to insure a complete system shut down: • Shut off of all existing water devices feeding irrigation systems; • Blow out all lines individually using appropriate size air compressor; • Utilize industry acceptable capacity range of 50-60 PSI and 185-250 CFM; • Insure proper displacement of all water in the lines and heads; • Method of line blow out used shall develop a fine mist spray before moving on to the next zone; • Insure all water is removed that subsequently may settle in any lines; • Remove all water from well piping, pressure regulating valves, DEP water monitoring meters, and all pipes to pressure relief valves; • Disconnect line voltage to all pump control units by way of disconnect switch.
