m |
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Line 3: | Line 3: | ||
<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> | ||
Line 22: | Line 22: | ||
</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> |
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 |