Agmt18 Commercial Pump & Mechanical, Inc.

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EXHIBIT A 1. Scope of Work Contractor shall repair and maintain the City's storm water pumps, motors and related apparatuses. Contractor will furnish all parts, materials, labor, equipment, tools, and fuel necessary to complete the work. Contractor is also responsible for disposal of any unusable material and debris as a result of the work. Task 1: Preventative Maintenance (PM) A. Contractor will perform PM inspections for storm water pumps and motors. At a minimum, PM will include: — Check electrical condition of insulation on power cable and on all phases of motor — Check for any loose or faulty electrical connections within the pump control panel — Check resistance between stator windings — Check voltage supply between all phases of the electrical control panel — Check voltage balance between all phases on the load side of the pump control with pump on — Check amperage draws on all phases of the pump motor — Check condition and operation of motor thermal protectors control system (if so equipped) — Removal of pumps and motors from pump station for physical inspection — Check condition of upper shaft seals (inspect condition of motor housing) — Check condition and operation of leakage detector (if so equipped) — Check lower shaft seals (inspect condition of oil) — Change oil if needed (cost of oil included) — Check for worn or loose impeller — Check all impeller wear rings — Check for noise in upper and lower bearings — Check physically for damage of pump and power cable — Clean, reset, and check operation of level sensors — Check for correct shaft rotation — Reinstall pump and motors, and check for leakage at the discharge connection — Test pump operation cycle — Check operating of valves and pipes in station — Any work not specifically mentioned, but which is needed to make the maintenance complete within the intent of this specification shall be performed without additional cost. B. Contractor shall replace parts with the same make and model as the original component, unless Contractor obtains written authorization from City staff. C. Contractor will provide a written report of all findings, results, and work performed for each pump station upon completion of PM. D. Contractor will complete PM inspections for all assigned storm water pumps and motors before May of each year. E. Contractor will contact City staff to arrange for pump station site access to perform PM inspections. Contractor will perform all PM inspections during the workweek (Monday — REV: 09-26-18 PT Page 7 of 10 ATTY/AGR.2018.231/Commercial Pump & Mechanical, Inc. / Maint. & Repair Storm Pumps