Winterization complete Do not turn on Poly. Break zone 1 Spring Start-up — turn on the water supply, pressurize system, check backflow preventer for leaks, run a test on each zone for possible leaks, proper operation and head adjustment, program the controller for proper seasonal conditions, advise homeowner of any necessary repairs. ___________________________________________________________________________________________________________________________ July or September Comprehensive System Inspections — review all irrigation components for proper operation, adjust all heads for proper coverage, if needed, reprogram controller for proper seasonal conditions, advise homeowner of any repairs. Make suggestions to homeowner to improve system efficiency due to plant growth and potential future problem areas. ___________________________________________________________________________________________________________________________ Winterization — turn off system water supply, purge