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CITY OF SANTA ANA <br />RrP NO,: 16-090 <br />WATER WELL, PUMP AND MOTOR. REPAIR. SERVICES <br />a. Insulation; Windings shall be double -dipped with Class H varnish and baked. Insulation shall be tested <br />phase -to -phase -and phase -to -ground at 1.000 volts do and yield a one, minute test result of 1,004 rheg- <br />ohms or better, <br />Final Tele: A 1000 volt r'rieg-dhm realer shelf be uaed to Verify insulation dohtlhulty, This reading shall <br />be documented, After reassembly, motor shall be test -run at full ventage arid documentation of current <br />reading and vibration readings shall be. provided to the and user. (NOTE: a 6KV meg-ohrn motor shall <br />be used on all 4160V motors.) 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 shall rebuild and retest until all tests are approved by the City, <br />9. PUMP RECONDITIONING <br />a. Disassemble and Olean. <br />b. Replace seals and ball bearings per EASA Standards. Vendor shall use only manufacturer• <br />recommended: ball bearings,and mechanical seals. <br />o, Change oil.. <br />d. Test windings 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 />9. MACHINE WORK <br />Machina work shall apply to, but not be limited to, the drilling and tapping of broken baits, the repairing of <br />damaged looking rings and stators, the replacing ofpower cords, power cord assemblies and power cord <br />connectors and ropafrs to impellers, covers; voluted, mounting nits, bearing Journals, and pump shafts. <br />16, QUALI'FICATiONS <br />a. All electric motor repair shops shall be EASAAocradited and shall provfde a copy of the codifloation <br />upon request by the City: Failure to provide a subocontracter that is an EASA, Accredited Member <br />as a part of the proposal may be grounds for proposal rejection,. <br />b, Contractor or Controctor's, subcontractor shall bo certified As an UL. Facility and shall provide a .copy of <br />the oertifte6tion'upon request by tare City, <br />c. Contractor shall be responsible for obtaining all O.E.M. technical documents, drawings and parts when <br />necessary, <br />0, Contractor shall have all englnoering, design, metalizing, welding, heat treating, machining,, balancing, <br />calibrating and testing cap.abliities necessary to completely refurbish/rewind. etectric motors. <br />e. Equipment used for tnspecting, 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-Dlsassembty Testing report for oil activities as described. <br />Jo. Photo documentation of existing condition prior to fulfilling each described criteria of the disassembly <br />test. <br />G. Motor Disassembly report, Including photo documentation before and after clashing. <br />25C-38 <br />