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.
