(1) Vendor needs to provide parks irrigation system winterization services to the government authority located in Omaha, NE.– 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.– Contractor to verify all zones have been properly winterized.– Contractor to assume there are no drawings or as–builts for irrigation systems.– Contractor shall take measures to preclude excessive friction and heat built–up, due in part to the rapidintroduction of forced pressurized air into the irrigation system during blowout.– Contractor shall assume that all systems have been maintained in good condition prior to winterization.(2) All questions must be submitted no later than July 30, 2024.
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