In: Civil Engineering
Determine the present and future peak discharge and total runoff from a 150-mm 24-h storm. If all flow in excess of the present flow must be stored, how much reservoir capacity is required? The average slope is 1 percent.
Factor |
Present Value |
Future Value |
Area m2 |
3.88 x 106 |
3.88 x 106 |
CN |
80 |
85 |
% impervious |
- |
50 |
% modified |
- |
65 |