Screening and straining devices - system design information
Screening and straining devices - system design information
Link to this table
| Device | Drainage area | Entrance velocity | Dimensions | Materials | Layout Recommendations (physical location, off-line placement) | Soils |
|---|---|---|---|---|---|---|
| Rain Guardian - Bunker | Up to 6.11 cfs [1] | Standard exterior dimensions = 51.25 in L x 20 in W x 15.75 in H, Designed for garden standard ponding depth of 9 in or 12 in [2] | 95% recycled plastic lumber [3] | Residential bioretention (rain gardens) [4] | ||
| Rain Guardian - Turret | Up to 3.45 cfs [5] | 46 in by 50 in base, 19.5 in total height, designed for garden standard ponding depth of 12 in [6] | Reinforced concrete base, fiberglass grate [7] | Parking lot rain gardens and high traffic areas [8] | ||
| Rain Guardian - Foxhole | 2 ft 11 in W x 1 ft 7 in H x As Long as Needed in 3 ft increments | Reinforced concrete base, fiberglass grate | Under walkways, paths and roads into a rain garden [9] | |||
| Riprap check dams | <10 acres [10] | 4-5 ft wide at the bottom, 1.5 to 2 ft wide at the top, 1.5 to 2 ft high, side slopes no steeper than 2:1 [11] | Riprap, coarse aggregate facing uphill side, mixture of rock sizes, nonwoven geotextile below [12] | Small open channels (not streams or rivers) with channel slopes >10% [13] | Areas conducive to erosion (sandy/silty) [14] | |
| Wattles | Not available, although perhaps similar to silt fence <0.25 acre | Two sizes: 9 in diameter x 25 ft long and 12 in diameter x 20 ft long, wooden stakes through wattle into soil every 3-4 ft [15] | Straw, tubular UV-stabilized black synthetic netting, 18-24 in wooden stakes [16] | Newly constructed or disturbed slopes [17] | ||
| Hydro Screen | Depends on model/application | Outfall screen can handle up to 1,000 cfs [18] | Depends on model/application | Stainless steel | Downspouts, detention ponds, private property/roofs, curbs, parking lots, farms [19] |
This page was last edited on 3 August 2022, at 18:18.