Difference between revisions of "Settling chamber surface area"
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| − | <font size=3>''' | + | <font size=3>'''Settling chamber surface area for sand filters and perimeter sand filters'''.</font size><br> |
Link to this [[Settling chamber surface area|table]] | Link to this [[Settling chamber surface area|table]] | ||
<table class="sortable"> | <table class="sortable"> | ||
<tr> | <tr> | ||
| − | < | + | <th rowspan=2 colspan=2><center>'''Sand Filter'''</center></th> |
| − | < | + | <th colspan=2>'''Maximum Ponding Depth (feet)'''</th> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | < | + | <th><center>'''< 4'''</center></th> |
| − | < | + | <th><center>'''4 to 10'''</center></th> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td rowspan=2>Impervious</td> | <td rowspan=2>Impervious</td> | ||
<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>(0.25 V<sub>wq</sub>)/D<sub>max</sub></td> | + | <td>(0.25 V<sub>wq</sub>) / D<sub>max</sub></td> |
</tr> | </tr> | ||
<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> | ||
<tr> | <tr> | ||
| − | < | + | <th rowspan=2 colspan=2>'''Perimeter Sand Filter'''</th> |
| − | < | + | <th colspan=2>'''Maximum Ponding Depth (feet)'''</th> |
</tr> | </tr> | ||
<tr> | <tr> | ||
| − | < | + | <th>'''<7.5'''</th> |
| − | < | + | <th>'''8 to 10'''</th> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td rowspan=2>Impervious</td> | <td rowspan=2>Impervious</td> | ||
<td>≥ 75%</td> | <td>≥ 75%</td> | ||
| − | <td>(0.5 V<sub>wq</sub>)/D<sub>max</sub></td> | + | <td>(0.5 V<sub>wq</sub>) / D<sub>max</sub></td> |
| − | <td>(0.5 V<sub>wq</sub>)/D<sub>max</sub></td> | + | <td>(0.5 V<sub>wq</sub>) / D<sub>max</sub></td> |
</tr> | </tr> | ||
<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> | ||
| − | [[ | + | |
| + | <noinclude>[[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Sand filter, iron enhanced sand filter, media filter]]</noinclude> | ||
Latest revision as of 16:21, 4 August 2022
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 | |
This page was last edited on 4 August 2022, at 16:21.