Q5 3 A reservoir having a capacity of 20×106 M³ is to be sited. The river has the following characteristics: Width 10μ b

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Q5 3 A reservoir having a capacity of 20×106 M³ is to be sited. The river has the following characteristics: Width 10μ bed stope I in 3000 discharge 87 m²/s Cassumed to be constant) and depth 5 m the river boundary is alluvial (0.50 = 0.3 MM, Ps =2650 kg/m³). The kinematic viscosity of water is 1.1 X100 M²/S. Assuming a rectangular channel and based on Bagnold's method estimate the time which would elapse before the reservoir capacity]) is reduced to half its original capacity.