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− | + | <font size=3>'''Wet detention pond - Over bank protection (10-yr 24-hr) outlet configuration'''</font size><br> | |
− | Link to this [[Wet detention pond - Over bank protection (10-yr 24-hr) outlet configuration|table]] | + | Link to this [[Wet detention pond - Over bank protection (10-yr 24-hr) outlet configuration|table]] |
<table class="sortable"> | <table class="sortable"> | ||
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<tr> | <tr> | ||
<th> </th> | <th> </th> | ||
− | <th>1-yr 24-hr | + | <th>1-yr 24-hr Instantaneous volume</th> |
<th>1-yr 24-hr routed (R124)</th> | <th>1-yr 24-hr routed (R124)</th> | ||
− | <th>1/2 Pre-development 2-yr 24-hr peak | + | <th>1/2 Pre-development 2-yr 24-hr peak Instantaneous volume</th> |
<th>1/2 Pre-development 2-yr 24-hr peak routed (R224)</th> | <th>1/2 Pre-development 2-yr 24-hr peak routed (R224)</th> | ||
</tr> | </tr> | ||
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</tr> | </tr> | ||
</table> | </table> | ||
− | < | + | <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> |
− | [[ | + | <noinclude> |
+ | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Ponds and wetlands (constructed)]] | ||
+ | </noinclude> |
Wet detention pond - Over bank protection (10-yr 24-hr) outlet configuration
Link to this table
Design methodology | ||||
---|---|---|---|---|
1-yr 24-hr Instantaneous volume | 1-yr 24-hr routed (R124) | 1/2 Pre-development 2-yr 24-hr peak Instantaneous volume | 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.
This page was last edited on 3 August 2022, at 13:38.