Question

contour bunding and graded bunding difference between 2-3 points ​

Answer 1

Contour Bund – The bunds constructed exactly on contour or with permissible deviation from the contour, are called contour bunds.

When a grade is provided along the bund for safe disposal of runoff water over the area between two consecutive bunds, they are called graded bund. Graded bunds are adopted in case of high or medium annual rainfall (>600 mm) and relatively less permeable soil areas.

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