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How to predict rate of dewatering


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Currently, i am asked by our client to predict a rate of dewatering required during construction of pump stations. Pump stations are proposed to be constructed at a depth of between 3.5 - 4.5 m below ground surface. In the proposed area the standing water level ranged from 0.4 m - 1.5 m below ground surface. K value ranges from 1.06 m/day to 1.93 m/day.

Appreciated for any idea on how to estimate rate of dewatering (i.e to keep the water level below 3.5 to 4.5 m) using an analytical model that accounts for the range of conditions expected ( SWL and K ) at 4 pump stations.



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