Difference between revisions of "Settling chamber surface area"
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<tr> | <tr> | ||
<td>< 75%</td> | <td>< 75%</td> | ||
| − | <td>(0.25 V<sub>wq</sub>)/ D<sub>max</sub></td> | + | <td>(0.25 V<sub>wq</sub>) / D<sub>max</sub></td> |
<td>0.066 V<sub>wq</sub></td> | <td>0.066 V<sub>wq</sub></td> | ||
</tr> | </tr> | ||
</table> | </table> | ||
[[category:table]] | [[category:table]] | ||
Revision as of 19:41, 18 March 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 | ||