Laserfiche WebLink
CITY OF SANTA ANA <br />RFP NO.; 21-059 <br />WATER WELL, PUMP AND MOTOR REHABILITATION AND REPAIR SERVICES <br />shall also provide a construction project schedule for each given task order regarding rehabilitation <br />services. All rehabilitation work shall be subject to the Project Manager's written approval prior to <br />commencing any work by the Contractor. <br />6, ELECTRIC MOTOR REPAIR AND REFURBISHMENT <br />The successful Contractor shall provide all transportation, labor, materials, tests and equipment, delivery/pick <br />up for the repair and refurbishment of electric motors and perform any recondition or rewiring as necessary <br />to return the equipment fully operational. All electric motor repair shall be done in an EASA Accredited <br />Member service shop, no exceptions, <br />a. All work shall be in accordance with the Electrical Apparatus Service Association's (EASA) <br />Recommended Practice, AR100.2020 latest edition and the National Electrical Manufacturers <br />Association (NEMA) standards for service and repair of electrical apparatus. The Contractor shall <br />provide a list of approved vendors upon request. <br />b. Work shall be in conformance with standards set by, but not limited to, the following <br />organizations: <br />Underwriters Laboratories (UL.) <br />a. Underwriters Laboratories— Certified motors shall be recertified after repair. <br />b. Contractor's shop or his sub -contractor's shop shall be UL-certified to rebuild explosion -proof <br />electric motors for use In hazardous environments. <br />2. American National Standards Institute (ANSI) <br />3. American Society for Testing and Materials (ASTM) <br />4. National Electrical Code (NEC) <br />5. National Fire Protection Agency (NFPA) <br />6. National Electrical Manufacturers Association (NEMA) <br />C. Recondition/Repair of Electric Motors <br />Reconditioning/repair of electric motors shall include the testing, disassembling, inspection, cleaning, <br />dipping, baking of windings, replacement of bearings, assembly, testing and painting and at minimum <br />include the following: <br />Pro -Disassembly Test <br />1. Using a 100QV Meg -ohm meter, conduct verification of insulation integrity. Record the insulation <br />resistance of the motor as brought in from the City. Acceptable criteria is 5 rneg-ohms or higher. <br />2. Verify that heaters are operational and that other attached features, such as thermocouples, have <br />continuity. <br />3. Single-phase test to check for open rotors. (After disassembly, rotors will be inspected for <br />evidence of damaged, cracked or open circuit bars or end rings. If there is evidence of faults, the <br />rotor will be growl -.tested.) The detection of any defect during testing shall be reported promptly <br />to the City, <br />4. Documentation covered under this section shall include the condition of mechanical fits (i.e. shaft <br />run out), cracked, broken or missing parts, test run at full voltage, current readings, Meg reading <br />