4. A trapezoidal notch of 1.2m wide at the top and 450mm at the bottom is 300mm high. Find the discharge through the notch if the head of water is 225mm. Assume C=0.60. 1.2 m 300 mm 225 mm 450 mm

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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.