Question: ( b ) A particular catchment is rectangular and measures 3 . 2 k m by 8 6 0 metres and the run - off

(b) A particular catchment is rectangular and measures 3.2km by 860 metres and the run-
off coefficient was found to be 0.20.
Determine the peak discharge using the Rational formula and a rainfall intensity of half
a metre in eight hours.
(3 marks)
( b ) A particular catchment is rectangular and

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