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CITY OF SANTA ANA <br />RUP N'O,: 16-090 <br />WATER WELL, PUMP AND MOTOR. REPAIR SERVICES <br />e, Insulation: Windings shall be double -dipped with Glass H varnish and baked. Insulation shall be tested <br />phase -to -phase and phase -to -ground at 100Q volts do and yield a one minute test result of 1000 meg- <br />ohms or better, <br />Final Test: A 1000 volt meg-ohm meter shall be used to Verify Insulation continuity. This reading shall <br />be documented. After reassembly, motor shall be test -run at full voltage and documentation of current <br />reading and vibration readings shall be provided to the end user. (NOTE. a 5KV meg-ohm meter shall <br />be used on all 4160V rnotors.) Copper DC resistance tests, phase -to -phase, on rotor winding from slip <br />rings shall be performed. If the rewound rotor fails to pass any test, the rotor shall be rejected. The <br />Contractor shell rebuild and retest until all tests are approved by the City. <br />8, PUMP RECONDITIONING <br />a, Disassemble and clean. <br />b. Replace seals and ball bearings per EASA Standards. Vendor shall use only manufacturer - <br />recommended bell bearings and mechanical seals. <br />c, Change oil, <br />d. Testwfndings and rewind as necessary. <br />e. Reassemble and test.. <br />f, Document and photograph all conditions before and after disassembly, seal and ball bearing <br />replacements and final testing, <br />g. MACHINE WORK <br />Machine work shall apply to, but not be limited to, the drilling and tapping of broken bolts, the repairl'ng of <br />damaged locking rings and stators, the replacing of power cords, power cord assemblies and power cord <br />connectors and repairs to impellers, covers, volutes, mounting rails, bearing journals, and pump shafts. <br />t0'. QUAL'tFlOATIONS <br />a. All electric motor repair shops shall be EASA Accredited and shall provide a copy of the certification <br />upon request by the City. Failure to provide a sub -contractor that is an EASA Accredited Member <br />as apart of the proposal may be.grounds for proposal rejection. <br />b. Contractor or Contractor's subcontractor shall be certified :as an UL Facility and shall provide a copy of <br />the certification upon request by the City.. <br />c. Contractor shall be responsible for obtaining all O.E.M technical documents, drawings and parts when <br />necessary, <br />d. Contractor shall have all engineering, design, metaiizing, welding, heat treating, machining, balancing, <br />calibrating and testing capabilities necessary to completely refurbish/rewind electric motors. <br />e. Equipment used for inspecting, calibrating and testing pumps and motors shall be up-to-date and have <br />calibration certificates, less than one year old, traceable to NIST standards where applicable. <br />11, DOCUMENTATION <br />All work performed to recondition, repair and/or rewind motors shall be supplemented with reports that <br />verify all processes to accomplish each job order. Documentation shall Include, but is not limited to, the <br />following: <br />a. Pre -Disassembly Testing report for all activities as described, <br />b. Photo documentation of existing condition prior to fulfilling each described criteria of the disassembly <br />test. <br />c. Motor Disassembly report, including photo documentation before and after cleaning. <br />25C-16 <br />