Field tests were conducted to determine the pump characteristics at four pumping plants on the Southern Nevada Water Project. Each pump tested was instrumented to measure speed, torque, and pressure head as functions of time. Records were obtained for pump startup, normal operation, and power failure. The Southern Nevada system was modeled for these same operations on a master computer program, TAHS. Using TAHS, the pump characteristics were adjusted by an iterative process until the computer results were in agreement with the field test records.

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