Hydrodynamic separation devices - system design information Hydrodynamic separation devices - system design information

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

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