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A small sewage pumping station with two identical pumps is to be selected for an average flow of ...

A small sewage pumping station with two identical pumps is to be selected for an average flow of 800 m3/day. The minimum flow rate is 42 percent of the average and the maximum is 250 percent of average. If the minimum cycle time and running time are 12.0 min 4.0 min, respectively, determine (1) capacity of each pump, (2) required wet well working volume, and (3) the cycle time at minimum and average flow conditions.

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