2008-276 D - Laserfiche WebLink

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B. Megger each motor winding before energizing the motor, and, if insulation resistance is found to be low, shall notify the Engineer and shall not energize the motor. C. Check all motors for correct clearances and alignment and for correct lubrication in accordance with Manufacturer's instructions. The Contractor shall check direction of rotation of all motors and reverse connections if necessary. D. The Contractor shall meet all the requirements of Division 16. E. After initial start-up under the supervision of a qualified representative of the pump manufacturer, a preliminary running -in period shall be provided for the Contractor to make field tests and necessary adjustments. The pumps will then operate for a period concurrent with the plant acceptance test. F. Field test pumps for conformance to specified operating conditions. Record initial flow, head, voltage and amperage for each power leg. Adjust tolerances, if necessary and retest. Confirm that the amplitude and frequency of vibration during pump operation is within the tolerances of the Standards of the Hydraulic Institute. Measure noise (dBA) adjacent to pump, and at 10 feet and 50 feet away. G. At the end of the specified period of operation, the pumps shall be accepted if, in the opinion of the Engineer/Owner, the pumps have operated satisfactorily without excessive power input, wear, lubrication, or undue attention required for this operation, and if all rotating parts operate without excessive vibration or noise at any operating head. H. Pump and piping installed shall be disinfected in accordance with AWWA standards, and Section 02670 Pressure Testing and Disinfection prior to being placed in service. 3.07 OPERATIONS AND MAINTENANCE TRAINING A. The Contractor shall provide the services of qualified factory service representatives to instruct the Owner's personnel in the operation and maintenance of the pump and motor units, including step-by-step troubleshooting with necessary test equipment. Instruction shall be specific to the model of equipment furnished. This service shall consist of a one -day visit for each type of similar pump and motor. B. The technical representative shall have at least two year's of experience in pump equipment training and instruction. Training sessions shall be scheduled not less than two weeks in advance. Training materials shall be provided to each of the Owner's personnel in attendance and shall remain with the trainees. Co All costs for transportation, lodging, subsistence, and other incidental costs for the manufacturer's representative during the installation, testing, and instruction shall be borne by the Contractor at no cost to the Owner. END OF SECTION 044572017 11934-10