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6. 1. C. - Page 24 <br />maintenance inspections for all storm water pumps and motors. At a minimum, <br />preventative maintenance should include: <br />— Check electrical condition of insulation on power cable and on all phases of motor <br />— Check for any loose or faulty electrical connections within the pump control panel <br />— Check resistance between stator windings <br />— Check voltage supply between all phases of the electrical control panel <br />— Check voltage balance between all phases on the load side of the pump control <br />with pump on <br />— Check amperage draws on all phases of the pump motor <br />— Check condition and operation of motor thermal protectors control system (if so <br />equipped) <br />— Removal of pumps and motors from pump station for physical inspection <br />— Check condition of upper shaft seals (inspect condition of motor housing) <br />— Check condition and operation of leakage detector (if so equipped) <br />— Check lower shaft seals (inspect condition of oil) <br />— Change oil if needed (cost of oil included) <br />— Check for worn or loose impeller <br />— Check all impeller wear rings <br />— Check for noise in upper and lower bearings <br />— Check physically for damage of pump and power cable <br />— Clean, reset, and check operation of level sensors <br />— Check for correct shaft rotation <br />— Reinstall pump and motors, and check for leakage at the discharge connection <br />— Test pump operation cycle <br />— Check operating of valves and pipes in station <br />Replacement parts must be the same make and model as the original component, unless <br />otherwise authorized in writing by City staff. <br />Contractor will provide a written report of all findings, results, and work performed for <br />each pump station upon completion of preventative maintenance. Any work not <br />specifically mentioned, but which is needed to make the maintenance complete within <br />the intent of this specification shall be performed without additional cost. <br />Contractor will complete preventative maintenance for all storm water pumps and <br />motors before May of each year, and follow-up repairs before September of each year. <br />Contractor should include a preventative maintenance schedule in the proposal. <br />Contractor should propose an alternative schedule for the first year of the contract, as <br />work is anticipated to begin in May. <br />All preventative maintenance inspections shall be performed during the work week <br />(Monday — Friday), between 7:00 a.m. and 4:00 p.m. Contractor will contact the City to <br />PUBLIC WORKS SERVICES DEPARTMENT <br />FY2017-18 STORM PUMP PM AND ON-CALL REPAIR RFP 11 of 23 <br />