Difference between revisions of "Settling chamber surface area"
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Revision as of 20:19, 4 February 2013
Link to this table
| Sand Filter | Maximum Ponding Depth (feet) | |||
| <4 | 4 to 10 | |||
| Impervious | ≥75% | (0.25*Vwq)/Dmax | (0.25*Vwq)/Dmax | |
| <75% | (0.25*Vwq)/Dmax | 0.066*Vwq | ||
| Perimeter Sand Filter | Maximum Ponding Depth (feet) | |||
| <7.5 | 8 to 10 | |||
| Impervious | ≥75% | (0.5*Vwq)/Dmax | (0.5*Vwq)/Dmax | |
| <75% | (0.25*Vwq)/Dmax | 0.066*Vwq | ||