Difference between revisions of "Wet detention pond - Over bank protection (10-yr 24-hr) outlet configuration"
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<font size=1><sup>1</sup>Because the 10-year flow rate is designed to match the pre-development peak, the values in this row should be all less than or equal to 36.7 cfs.</font size> | <font size=1><sup>1</sup>Because the 10-year flow rate is designed to match the pre-development peak, the values in this row should be all less than or equal to 36.7 cfs.</font size> | ||
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Revision as of 22:14, 18 August 2013
Wet detention pond - Over bank protection (10-yr 24-hr) outlet configuration
Link to this table
| Design methodology | ||||
|---|---|---|---|---|
| 1-yr 24-hr "Kerplunk" (K124) | 1-yr 24-hr routed (R124) | 1/2 Pre-development 2-yr 24-hr peak "Kerplunk" (R224) | 1/2 Pre-development 2-yr 24-hr peak routed (R224) | |
| Weir length (ft) | 0.8 | 3.7 | 0.8 | 4.8 |
| Weir elevation (ft) | 109.2 | 108.2 | 109.9 | 108.6 |
| Surface area at weir elevation (ac) | 0.9 | 0.9 | 0.9 | 0.9 |
| Peak discharge per design event (cfs)1 | 36.7 | 36.0 | 36.7 | 36.4 |
| Peak water elevation per design event (ft) | 114.7 | 110.2 | 114.77 | 110.1 |
1Because the 10-year flow rate is designed to match the pre-development peak, the values in this row should be all less than or equal to 36.7 cfs.