For a river section with subcritical discharge of 6,500 cfs, the water surface elevation (WS) if 5710.5 ft with a velocity head of 3.72 ft. The next cross section is located 500 ft upstream with a velocity head of 1.95 ft. The conveyances for the DS and US sections are 76,140 and 104,300, respectively. Determine the WS [ft] at the upstream section, using expansion and contraction coefficients of 0.3 and 0.1, respectively. Assume the velocity head values include α.

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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.