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Fxhihif "A" <br />SCOPE OF SERVICES AND FEE <br />I. Scope of Work <br />Contractor shall repair and maintain the City's water and recycled water pumps, motors <br />and related apparatuses. Contractor will furnish all parts, materials, labor, equipment, <br />tools, fuel, transportation, and services necessary to complete the work. Contractor is <br />also responsible for disposal of any unusable material and debris as a result of the work. <br />Task 1: Preventative Maintenance (PM) <br />A. Contractor will perform PM inspections for all water pumps and motors. At a <br />minimum, PM will include: <br />• Checking electrical condition of insulation on motor leads; <br />• Checking for any loose or faulty electrical connection inside the control <br />panel; <br />• Checking motor stator windings megohms; <br />• Checking voltage supply between all phases inside the control panel; <br />• Checking voltage balance between all phases on the load side inside the <br />control panel with pump running; <br />• Checking running amperage draws on all phases of pump motor with pump <br />running; <br />• Checking condition and operation of motor thermals (if so equipped); <br />• Checking upper head shaft between pump and motor with dial indicator for <br />shaft run -out; <br />• Changing oil in motor upper bearing housing and grease lower bearing; <br />inspecting oil for any metal shavings; <br />• Checking packing in stuffing box and replacing if needed; <br />• Checking mechanical seal for leakage; <br />• Running the pump and motor and checking for abnormal sounds and <br />vibration; <br />• Checking and readjusting impeller, if needed; <br />• Checking float system for proper operation; <br />• Checking operation of check valves and piping in each station; <br />• Checking exterior of the pumps and motors; <br />• Testing pump operation cycle; and <br />• Checking and performing laser alignment on horizontal pumps and motors. <br />• Any work not specifically mentioned, but which is needed to make the <br />maintenance complete within the intent of this specification shall be <br />performed without additional cost. <br />B. Contractor shall replace parts with the same make and model as the original <br />component, unless Contractor obtains written authorization from City staff. <br />C. Contractor will provide a written report of all findings, results, and work performed <br />for each pump station upon completion of PM. <br />REV: 09-16-2020 EI <br />ATTY/AGR.Amend No. 1/Pump Repair Service Co. (Page 3 of 6) <br />