Springerville Generating Station Unit 4 in Springerville, Ariz., uses lined ponds to hold water collected from its cooling towers. With the construction of Unit 4, Salt River Project (SRP)-one of Arizona's largest utilities-wanted to increase the capacity of pumps used to move effluent from one pond to another to avoid the possibility of overflow.rnThe lined pond collects effluent water and the plant's pumping system is used to deliver collected effluent water to one of two evaporation ponds. SRP wanted to investigate the concept of using a vertical turbine on a floating barge on the pond.rnOriginally, a specification request was placed with Quadna to use submersible pumps hanging from a floating barge on the pond with an associated pipingrnmanifold extending to the barge's edge.
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