Hydrodynamic separation devices - system design information
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Device | Drainage area | Entrance velocity | Dimensions | Layout Recommendations (physical location, off-line placement) |
---|---|---|---|---|
Vortechs TM by Contech | <10 acres, recommended <5 acres with <1-acre impervious cover1, 2 | 1.6-25 cfs3 | 9 standard sizes: 9 ft x 3 ft to 18 ft x 12 ft3 | Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks. Can be online or off-line.3, 4 |
Continuous Deflective Separation (CDS) R by Contech | <10 acres, recommended <5 acres with <1-acre impervious cover5, 6 | Inline up to 6 cfs, offline precast modules 3-62 cfs, offline cast in place up to 300 cfs7, 8 | 16 models: 3-10 ft diameter8 | Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks9 |
Downstream Defender TM H.I.L. Technology | <10 acres, recommended <5 acres with <1-acre impervious cover10, 11 | 1.6-24 cfs for 50% removal of 100-micron particles, peak flow rate 3-38 cfs12 | Predesigned manhole sizes: 4-12 ft in diameter, custom: up to 40 ft in diameter; Depth: 3.33 - 9.42 ft13, 14 | Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks15 |
First Defense R by Hydro International | 0.85-6.0 cfs for 50% TSS Removal16 | Six models: Diameter= 3-8 ft, Depth = 3.75-8 ft16 | At point of entry into drainage line, sites constrained by space, topography, or drainage profiles, and retrofit installations16 | |
Stormceptor R by Imbrium or Rinker Materials | Varies from 1 acre to 150 acres depending on model, common in-line models can treat 0.55-6.7 acres impervious cover17, 18 | 8 prefabricated in-line models, 1 48-in diameter inlet model, large-scale MAX model18 | Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks. Extended Oil Storage and Oil and Sand Removal Systems available for hot spot areas. Can be inlet or in-line, single or in series19, 20 | |
Barracuda by BaySaver | Recommended <5 acres with <1-acre impervious cover21 | 50% TSS removal: 1.25 cfs, Maximum: 6.25 cfs22 | 6 manhole models: 36-120 in diameters22 | Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks |
Dual Vortex Separator by OldCastle | 0.56 – 9 cfs23 | Multiple sizes for both square manhole and square grated inlet models: 36 in to 144 in diameter24 | Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks. Can be online or offline24 | |
SciClone TM by BioClean | WQ flow rate = 0.7-6.3 cfs25 | Twelve models: 3-14 ft diameter, storage capacity 11-231 cu ft26 | Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks27 |
Reference links: 1; 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24; 25; 26; 27