Stationary water overflows from a reservoir over a broad crested spillway weir 5m wide. The spillway converges and terminates in a channel 3m wide the bed of which is 2m lower than the crest of the weir. Assuming critical flow over the crest and Cd = 1, determine the depth of the flow in the channel when the surface level of the reservoir is 0.2 m above the crest of the spillway

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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.