Hydrodynamic separation devices - system design information
Link to this table

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

This page was last edited on 3 August 2022, at 19:02.