A concrete-lined drainage canal (ε = 0.08 in) is to be constructed to carry water at a maximum rate of 105 GPM. The canal has a rectangular cross section with a width that is 1.5x its depth. If the elevation of the canal drops 4ft/mi of length, what should the dimensions of the canal be?

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Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.