Difference between revisions of "Settling chamber surface area"
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Revision as of 13:25, 19 August 2013
Settling chamber surface area for sand filters and perimeter sand filters.
Link to this table
| Maximum Ponding Depth (feet) | |||
|---|---|---|---|
| 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 | |