A very wide rectangular concrete channel (n =0.013) carries 12m3/s per unit width of water. The bed slope is 0.0006, and at a certain section the depth is 2.8m. Find the distance (in one reach) to the section where the depth is 2.6m. is the distance upstream or downstream Also sketch and name the profile In this reach (i e. between 2.8m and 2.6m )

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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.