A rectangular irrigation canal 3 m wide carries water with a discharge of 6 m^3/s. A rectangular weir is to be installed across the canal to raise the water level 2m above the canal floor. Calculate the required height (m) of the weir if it is supressed. Use Cd = 0.6.

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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.