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Line 3: | Line 3: | ||
<table class="sortable"> | <table class="sortable"> | ||
<tr> | <tr> | ||
− | <td rowspan=2 colspan=2>'''Sand Filter'''<td> | + | <td rowspan=2 colspan=2><center>'''Sand Filter'''</center><td> |
<td colspan=2>'''Maximum Ponding Depth (feet)'''</td> | <td colspan=2>'''Maximum Ponding Depth (feet)'''</td> | ||
</tr> | </tr> |
This table shows settling chamber surface area.
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 |