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<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>Note that the routed method for the 1-year design (R124) is much less than the | + | <font size=1>Note that the routed method for the 1-year design (R124) is much less than the Instantaneous volume due to the more constricted orifice.</font size> |
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− | < | + | <noinclude> |
− | [[ | + | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Ponds and wetlands (constructed)]] |
+ | </noinclude> |
Wet detention pond - Channel protection / water quality 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) | |
Orifice diameter (inches) | 10.5 | 6.9 | 10.0 | 11.6 |
Oriface elevation (ft) | 105.0 | 105.0 | 105.0 | 105.0 |
Surface area at orifice elevation (ac) | 0.6 | 0.6 | 0.6 | 0.6 |
Peak discharge per design event (cfs) | 6.4 | 2.1 | 5.8 | 5.8 |
Peak water elevation per design event (ft) | 107.9 | 108.2 | 108.7 | 108.5 |
Note that the routed method for the 1-year design (R124) is much less than the Instantaneous volume due to the more constricted orifice.
This page was last edited on 3 August 2022, at 13:37.