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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
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