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D . Section 11930 - Pump General <br /> E . Section 16483 - Variable Frequency Drives <br /> F . Section 16490 - Electric AC Induction Motors <br /> 1 .03 PUMP PERFORMANCE DATA & CERTIFIED TEST RESULTS <br /> A . Factory testing in accordance with the standards of the Hydraulic Institute shall be required <br /> for each pump . Factory testing will not be required for the rotating element replacement _ <br /> B . Certified pump performance curves shall be submitted for approval by the Engineer on all <br /> high service pumps prior to shipment. The certified pump performance curves shall be <br /> submitted, including head, capacity, brake horsepower, and pump efficiency for each pump <br /> supplied . Certified data shall be provided to indicate the NPSH required by the pump at the <br /> design point as specified . <br /> C . The pump shall be tested through the specified range of flow, and head/capacity/efficiency <br /> curves plotted at maximum output speed . During each test, the pump shall be run at each <br /> head condition for sufficient time to accurately determine discharge, head, power input, and <br /> efficiency. In addition to the four performance data points listed in Section 2 .02(B), six <br /> additional points of flow and head conditions shall be provided throughout the range of the <br /> entire curve. <br /> D . If any pump tested fails to meet any specification requirement it shall be modified until it <br /> meets all specification requirements. If any pump tested fails to meet the efficiency <br /> requirements at any of the listed flow or head conditions as specified and all reasonable <br /> attempts to correct the inefficiency are unsuccessful, the pump(s) shall be replaced with <br /> unit(s) which meets the specified requirements. Performance data must be the results of <br /> project pump and motor assemblies. Also report amperage and voltage of each power leg, <br /> efficiency, horsepower and NPSH. <br /> E . One motor shall be furnished with certified test results. The motor shall be subjected to a <br /> complete factory test consisting of full load heat run, percent slip, running light current, <br /> locked rotor current, breakdown torque (calculated), starting torque, winding resistance, high <br /> potential , efficiencies at 100, 75 and 50 percent of full load, and bearing inspection. The <br /> Engineer/Owner reserves the right to witness these tests. <br /> 1 .04 OPERATION <br /> A. The pumps will provide potable water to the distribution system from the ground storage <br /> tank The pump motor shall be driven by a VFD and shall be compatible with the VFD unit <br /> supplied. <br /> i <br /> 044572017 <br /> 11934-2 <br />