Gas fired boilers shall be serviced on a semi-annual basis. Centrifugal chillers shall be serviced once a year. Three coiling towers shall be serviced and cleaned on a semi-annual basis. Preventative maintenance shall be performed in a uniform and systematic manner with all heating and cooling units, air handlers, HVAC controls (not otherwise contracted), cooling towers, fans and hoods inspected at least every three months. The inspection reports for all equipment shall be provided to the District on a monthly basis. Each inspection shall include, but not be limited to, the following functions (except as noted): ● Tighten belts ● Recalibrate or adjust controls if necessary ● Tighten electrical connections (twice a year) ● Change or clean filters as designated ● Adjust all linkages, motors, drives, etc. that have drifted from the initial design settings and positions ● Test and cycle all equipment as a system after it has been cleaned, lubricated, adjusted and calibrated to assure that it is in proper operating condition and performing at optimum efficiency ● Lubricate all equipment where needed to permit bearings, gears, and all contract wearing points to operate freely and without undue wear...
