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The discharge passing over an ogee spillway is given by (where, L is effective length of spillway crest and H is the total head over the spillway crest including velocity head.)
The main function of a diversion head works of a canal from a river, is
As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at
For diversion of flood water of rivers, the type of canal constructed, is
In a barrage, the crest level is kept
If H and d are the water depth and drop in the bed level at a Sarda fall, the width B of the trapezoidal crest, is given by