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<td>Same as catch basin</td>
 
<td>Same as catch basin</td>
 
<td>Same as catch basin</td>
 
<td>Same as catch basin</td>
<td>Variety of sizes and shapes fit most rectangular and round manholes [http://www.bmpinc.com/sizing?field_structure_shape_value=Flat+Box&field_min_width_diameter_value_selective=All&field_straight_outside_diameter_value_selective=All]</td>
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<td>Variety of sizes and shapes fit most rectangular and round manholes [https://www.estormwater.com/accessories/product/10993200/snout]</td>
 
<td></td>
 
<td></td>
<td>Existing manholes and sumped catch basins (sump depth must be >36 inches or 2.5 x outlet pipe diameter [http://www.bmpinc.com/]</td>
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<td>Existing manholes and sumped catch basins (sump depth must be >36 inches or 2.5 x outlet pipe diameter</td>
 
<td>Yes</td>
 
<td>Yes</td>
 
<td>See Layout</td>
 
<td>See Layout</td>

Revision as of 19:10, 3 August 2022

Other water quality devices - system design information
Link to this table

Device Drainage area Entrance/exit velocity Dimensions Materials Layout Recommendations (physical location, off-line placement) Enhancement opportunity Sizing calculations
SNOUT Same as catch basin Same as catch basin Variety of sizes and shapes fit most rectangular and round manholes [1] Existing manholes and sumped catch basins (sump depth must be >36 inches or 2.5 x outlet pipe diameter Yes See Layout
Eliminator Same as catch basin Up to 2 cfs if Elimo-Filter used [2] 8, 10, 12, 15, and 18-inch sizes High Density Polyethylene Existing manholes and sumped catch basins Yes Generally larger than pipe diameter
Floatable boom Float height = 2-8 inches, Skirt/curtain = 8-16 ft, Section length 25-100 ft [3] Blocks of expanded polystyrene, PVC Calm to medium current water bodies downstream of nearshore construction zones, dredging, demolition [4] NO NA
Hood Same as catch basin Generally larger than pipe diameter