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 |