Difference between revisions of "Settling chamber surface area"
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<table class="sortable"> | <table class="sortable"> | ||
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| − | <th rowspan=2 colspan=2><center>'''Sand Filter'''</center><th> | + | <th rowspan=2 colspan=2><center>'''Sand Filter'''</center></th> |
<th colspan=2>'''Maximum Ponding Depth (feet)'''</th> | <th colspan=2>'''Maximum Ponding Depth (feet)'''</th> | ||
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</tr> | </tr> | ||
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| − | <th rowspan=2 colspan=2>'''Perimeter Sand Filter'''<th> | + | <th rowspan=2 colspan=2>'''Perimeter Sand Filter'''</th> |
<th colspan=2>'''Maximum Ponding Depth (feet)'''</th> | <th colspan=2>'''Maximum Ponding Depth (feet)'''</th> | ||
</tr> | </tr> | ||
Revision as of 19:45, 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 | |