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Pretreatment system design information - all devices

<font size=3>'''Pretreatment system design information - all devices'''</font size><br>
Link to this [[Pretreatment system design information - all devices|table]]

<table class="sortable">
<tr>
<th>Device</th>
<th>Primary mechanism</th>
<th>Drainage area</th>
<th>Entrance velocity</th>
<th>Dimensions</th>
<th>Materials</th>
<th>Layout Recommendations (physical location, off-line placement)</th>
<th>Soils</th>
</tr>
<tr>
<td>Vortechs TM by Contech</td>
<td>Hydrodynamic separation</td>
<td><10 acres, recommended <5 acres with <1-acre impervious cover<sup>1, 2</sup></td>
<td>1.6-25 cfs<sup>3</sup></td>
<td>[https://www.conteches.com/technical-guides/search?filter=9MU8M81U7Z 9 standard sizes]: 9 ft x 3 ft to 18 ft x 12 ft<sup>3</sup></td>
<td></td>
<td>Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks. Can be online or off-line.<sup>3, 4</sup></td>
<td></td>
</tr>
<tr>
<td>Continuous Deflective Separation (CDS) R by Contech</td>
<td>Hydrodynamic separation</td>
<td><10 acres, recommended <5 acres with <1-acre impervious cover<sup>5, 6</sup></td>
<td>Inline up to 6 cfs, offline precast modules 3-62 cfs, offline cast in place up to 300 cfs<sup>7, 8</sup></td>
<td>[https://www.conteches.com/Portals/0/Documents/Design%20Guides/CDS-Design%20Guide.pdf?ver=2018-05-16-083621-907 16 models]: 3-10 ft diameter<sup>8</sup></td>
<td></td>
<td>Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks<sup>9</sup></td>
<td></td>
</tr>
<tr>
<td>Downstream Defender TM H.I.L. Technology</td>
<td>Hydrodynamic separation</td>
<td><10 acres, recommended <5 acres with <1-acre impervious cover<sup>10, 11</sup></td>
<td>1.6-24 cfs for 50% removal of 100-micron particles, peak flow rate 3-38 cfs<sup>12</sup></td>
<td>Predesigned manhole sizes: 4-12 ft in diameter, custom: up to 40 ft in diameter; Depth: 3.33 - 9.42 ft<sup>13, 14</sup></td>
<td></td>
<td>Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks<sup>15</sup></td>
<td></td>
</tr>
<tr>
<td>First Defense R by Hydro International</td>
<td>Hydrodynamic separation</td>
<td></td>
<td>0.85-6.0 cfs for 50% TSS Removal<sup>16</sup></td>
<td>[https://www.njstormwater.org/pdf/FDHC_Certification_2017-03-09.pdf Six models]: Diameter= 3-8 ft, Depth = 3.75-8 ft<sup>16</sup></td>
<td></td>
<td>At point of entry into drainage line, sites constrained by space, topography, or drainage profiles, and retrofit installations<sup>16</sup></td>
<td></td>
</tr>
<tr>
<td>Stormceptor R by Imbrium or Rinker Materials</td>
<td>Varies from 1 acre to 150 acres depending on model, common in-line models can treat 0.55-6.7 acres impervious cover<sup>17, 18</sup></td>
<td></td>
<td>8 prefabricated in-line models, 1 48-in diameter inlet model, large-scale MAX model<sup>18</sup></td>
<td></td>
<td>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 series<sup>19, 20</sup></td>
<td></td>
</tr>
<tr>
<td>Barracuda by BaySaver</td>
<td>Hydrodynamic separation</td>
<td>Recommended <5 acres with <1-acre impervious cover<sup>21</sup></td>
<td>50% TSS removal: 1.25 cfs, Maximum: 6.25 cfs<sup>22</sup></td>
<td>6 manhole models: 36-120 in diameters<sup>22</sup></td>
<td></td>
<td>Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks</td>
<td></td>
</tr>
<tr>
<td>Dual Vortex Separator by OldCastle</td>
<td>Hydrodynamic separation</td>
<td></td>
<td>0.56 – 9 cfs<sup>23</sup></td>
<td>[https://oldcastleinfrastructure.com/product/dual-vortex-separator-dvs-square/ Multiple sizes] for both square manhole and square grated inlet models: 36 in to 144 in diameter<sup>24</sup></td>
<td></td>
<td>Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks. Can be online or offline<sup>24</sup></td>
<td></td>
</tr>
<tr>
<td>SciClone TM by BioClean</td>
<td>Hydrodynamic separation</td>
<td></td>
<td>WQ flow rate = 0.7-6.3 cfs<sup>25</sup></td>
<td>[https://biocleanenvironmental.com/wp-content/uploads/2018/06/sciclone-flow-based-standard-details.pdf Twelve models]: 3-14 ft diameter, storage capacity 11-231 cu ft<sup>26</sup></td>
<td></td>
<td>Small footprints of predesigned models are suitable for urban areas and as a retrofit to existing networks<sup>27</sup></td>
<td></td>
</tr>
<tr>
<td>Rain Guardian - Bunker</td>
<td>Screening and straining</td>
<td></td>
<td>Up to 6.11 cfs [http://www.rainguardian.biz/project-planing/chamber-selection]</td>
<td>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 [http://www.rainguardian.biz/project-planing/chamber-selection]</td>
<td>95% recycled plastic lumber [http://www.rainguardian.biz/project-planing/chamber-selection]</td>
<td>Residential bioretention (rain gardens) [http://www.rainguardian.biz/project-planing/chamber-selection]</td>
<td></td>
</tr>
<tr>
<td>Rain Guardian - Turret</td>
<td>Screening and straining</td>
<td></td>
<td>Up to 3.45 cfs [http://www.rainguardian.biz/project-planing/turret]</td>
<td>46 in by 50 in base, 19.5 in total height, designed for garden standard ponding depth of 12 in [http://www.rainguardian.biz/project-planing/turret]</td>
<td>Reinforced concrete base, fiberglass grate [http://www.rainguardian.biz/project-planing/turret]</td>
<td>Parking lot rain gardens and high traffic areas [http://www.rainguardian.biz/project-planing/turret]</td>
<td></td>
</tr>
<tr>
<td>Rain Guardian - Foxhole</td>
<td>Screening and straining</td>
<td></td>
<td></td>
<td>2 ft 11 in W x 1 ft 7 in H x As Long as Needed in 3 ft increments [http://www.rainguardian.biz/images/Handouts/RAIN_GUARDIAN_FOXHOLE_TYPICAL_DETAIL_01-11-18.pdf]</td>
<td>Reinforced concrete base, fiberglass grate [http://www.rainguardian.biz/images/Handouts/RAIN_GUARDIAN_FOXHOLE_TYPICAL_DETAIL_01-11-18.pdf]</td>
<td>Under walkways, paths and roads into a rain garden [http://www.rainguardian.biz/project-planing/foxhole]</td>
<td></td>
</tr>
<tr>
<td>Riprap check dams</td>
<td>Screening and straining</td>
<td><10 acres [https://stormwater.pca.state.mn.us/index.php?title=Sediment_control_practices_-_Check_dams_(ditch_checks,_ditch_dikes)]</td>
<td></td>
<td>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 [https://stormwater.pca.state.mn.us/index.php?title=Sediment_control_practices_-_Check_dams_(ditch_checks,_ditch_dikes)]</td>
<td>Riprap, coarse aggregate facing uphill side, mixture of rock sizes, nonwoven geotextile below [https://stormwater.pca.state.mn.us/index.php?title=Sediment_control_practices_-_Check_dams_(ditch_checks,_ditch_dikes)]</td>
<td>Small open channels (not streams or rivers) with channel slopes >10% [https://stormwater.pca.state.mn.us/index.php?title=Sediment_control_practices_-_Check_dams_(ditch_checks,_ditch_dikes)]</td>
<td>Areas conducive to erosion (sandy/silty) [https://stormwater.pca.state.mn.us/index.php?title=Sediment_control_practices_-_Check_dams_(ditch_checks,_ditch_dikes)]</td>
</tr>
<tr>
<td>Wattles</td>
<td>Screening and straining</td>
<td>Not available, although perhaps similar to silt fence <0.25 acre</td>
<td></td>
<td>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 [http://nilex.com/products/wattles]</td>
<td>Straw, tubular UV-stabilized black synthetic netting, 18-24 in wooden stakes [http://nilex.com/products/wattles]</td>
<td>Newly constructed or disturbed slopes [http://nilex.com/products/wattles]</td>
<td></td>
</tr>
<tr>
<td>Hydro Screen</td>
<td>Screening and straining</td>
<td>Depends on model/application</td>
<td>Outfall screen can handle up to 1,000 cfs [http://www.hydroscreen.com/pdf/hydroscreenfamilyofsolutionsad_final.pdf]</td>
<td>Depends on model/application</td>
<td>Stainless steel </td>
<td>Downspouts, detention ponds, private property/roofs, curbs, parking lots, farms [http://www.hydroscreen.com/products/index.html#sthash.ZMy5cd4J.dpbs]</td>
<td></td>
</tr>
<tr>
<td>Pretreatment row on underground storage/filtration</td>
<td>Above ground and below grade storage and settling</td>
<td>Varies widely, units may be placed in parallel and series to accommodate</td>
<td></td>
<td>Varies. Limiting factor is site footprint available.</td>
<td>Rigid chamber, gravel</td>
<td>In-line, ideal under parking lots and areas with tight footprints</td>
<td>Ideally highly infiltrative to achieve volume reduction</td>
</tr>
<tr>
<td>StormTech Isolator Row</td>
<td>Above ground and below grade storage and settling</td>
<td>Varies widely, units may be placed in parallel and series to accommodate</td>
<td>[https://www.swbmp.vwrrc.vt.edu/wp-content/uploads/2017/10/Filter_Application_StormTech-Isolator-Row_Item-1.pdf See flow Table 2]</td>
<td>Max length of row = 175 ft, but multiple rows may be used, see [https://www.swbmp.vwrrc.vt.edu/wp-content/uploads/2017/10/Filter_Application_StormTech-Isolator-Row_Item-1.pdf dimensions table] for models SC-310, SC-310-3, SC-780, MC-3500 and MC-4500 [https://www.swbmp.vwrrc.vt.edu/wp-content/uploads/2017/10/Filter_Application_StormTech-Isolator-Row_Item-1.pdf]</td>
<td>Two layers of woven geotextile, StormTech chamber, non-woven fabric if model has perforated side walls, gravel [https://www.swbmp.vwrrc.vt.edu/wp-content/uploads/2017/10/Filter_Application_StormTech-Isolator-Row_Item-1.pdf]</td>
<td>In-line, after a manhole with a high flow weir. System is ideal under parking lots and roadways and areas with tight footprints [https://www.swbmp.vwrrc.vt.edu/wp-content/uploads/2017/10/Filter_Application_StormTech-Isolator-Row_Item-1.pdf]</td>
<td>Ideally highly infiltrative to achieve volume reduction [https://www.swbmp.vwrrc.vt.edu/wp-content/uploads/2017/10/Filter_Application_StormTech-Isolator-Row_Item-1.pdf]</td>
</tr>
<tr>
<td>Settling chamber/vault </td>
<td>Above ground and below grade storage and settling</td>
<td>Can accommodate most drainage areas for downstream BMP [https://stormwater.pca.state.mn.us/index.php?title=Design_criteria_for_swales&redirect=no]</td>
<td>Exit velocity to surface media filters should be non-erosive [https://stormwater.pca.state.mn.us/index.php?title=Design_criteria_for_swales&redirect=no]</td>
<td>Recommended length to width ratio of 2:1</td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>Oil/water/grit separators</td>
<td>Above ground and below grade storage and settling</td>
<td><1 acre impervious cover [http://www.iowadnr.gov/Portals/idnr/uploads/water/stormwater/manual/iswmm_chapter11.pdf?ver=2016-04-12-161256-770]</td>
<td>1-3 ft/min or less [http://www.iowadnr.gov/Portals/idnr/uploads/water/stormwater/manual/iswmm_chapter11.pdf?ver=2016-04-12-161256-770]</td>
<td>Total wet storage = 400 cf per acre of contributing imp area, depth of permanent pool >4 ft [http://www.iowadnr.gov/Portals/idnr/uploads/water/stormwater/manual/iswmm_chapter11.pdf?ver=2016-04-12-161256-770]</td>
<td>Reinforced concrete</td>
<td>Off-line, ideal in urban areas with small lots and for retrofits [http://prj.geosyntec.com/npsmanual/oilgritseparators.aspx]</td>
<td>No soil or terrain restrictions [http://prj.geosyntec.com/npsmanual/oilgritseparators.aspx]</td>
</tr>
<tr>
<td>Hydro Dry Screen</td>
<td>Above ground and below grade storage and settling</td>
<td></td>
<td>Max Flow: 29-162 cfs, Treatment Flow: 11-80 cfs , 80% TSS removal: 1.8-16 cfs [https://www.hydro-int.com/sites/default/files/hydro_dryscreen_technical_abstract.pdf]</td>
<td>Five models: 4x8 ft to 12x20 ft ([https://www.hydro-int.com/sites/default/files/hydro_dryscreen_technical_abstract.pdf see Table 1]) [https://www.hydro-int.com/sites/default/files/hydro_dryscreen_technical_abstract.pdf]</td>
<td></td>
<td>New construction or redevelopment sites, retrofit of storm drain lines, shallow installations with high groundwater or bedrock, installations requiring low headloss [https://www.hydro-int.com/sites/default/files/hds_ss1712_web.pdf]</td>
<td></td>
</tr>
<tr>
<td>Suntree Nutrient Seprating Baffle Box (NSBB)</td>
<td>Above ground and below grade storage and settling</td>
<td></td>
<td>Maximum Treatment Flow Rate: 2-45 cfs [https://www.suntreetech.com/uploads/1/1/4/5/114586811/nsbb_operations_manual_v1.0.pdf]</td>
<td>4 ft x 2 ft x 2.7 ft - 24 ft x 12 ft x 9 ft [https://www.njstormwater.org/pdf/2016-11-03_nsbb_final_cert-signed_wom.pdf]</td>
<td></td>
<td>Online [https://www.suntreetech.com/nsbb.html]</td>
<td></td>
</tr>
<tr>
<td>Manhole Baffle Box</td>
<td>Above ground and below grade storage and settling</td>
<td>1-100 acres [https://nepis.epa.gov/Exe/ZyNET.exe/P100IL55.txt?ZyActionD=ZyDocument&Client=EPA&Index=2000%20Thru%202005&Docs=&Query=&Time=&EndTime=&SearchMethod=1&TocRestrict=n&Toc=&TocEntry=&QField=&QFieldYear=&QFieldMonth=&QFieldDay=&UseQField=&IntQFieldOp=0&ExtQFieldOp=0&XmlQuery=&File=D%3A%5CZYFILES%5CINDEX%20DATA%5C00THRU05%5CTXT%5C00000032%5CP100IL55.txt&User=ANONYMOUS&Password=anonymous&SortMethod=h%7C-&MaximumDocuments=1&FuzzyDegree=0&ImageQuality=r75g8/r75g8/x150y150g16/i425&Display=hpfr&DefSeekPage=x&SearchBack=ZyActionL&Back=ZyActionS&BackDesc=Results%20page&MaximumPages=1&ZyEntry=6]</td>
<td></td>
<td>Typically 10-15 ft long x 6-8 ft high x 2 ft wider than pipe [https://nepis.epa.gov/Exe/ZyNET.exe/P100IL55.TXT?ZyActionD=ZyDocument&Client=EPA&Index=2000+Thru+2005&Docs=&Query=&Time=&EndTime=&SearchMethod=1&TocRestrict=n&Toc=&TocEntry=&QField=&QFieldYear=&QFieldMonth=&QFieldDay=&IntQFieldOp=0&ExtQFieldOp=0&XmlQuery=&File=D%3A%5Czyfiles%5CIndex%20Data%5C00thru05%5CTxt%5C00000032%5CP100IL55.txt&User=ANONYMOUS&Password=anonymous&SortMethod=h%7C-&MaximumDocuments=1&FuzzyDegree=0&ImageQuality=r75g8/r75g8/x150y150g16/i425&Display=hpfr&DefSeekPage=x&SearchBack=ZyActionL&Back=ZyActionS&BackDesc=Results%20page&MaximumPages=1&ZyEntry=1&SeekPage=x&ZyPURL]</td>
<td>Concrete, fiberglass [https://nepis.epa.gov/Exe/ZyNET.exe/P100IL55.TXT?ZyActionD=ZyDocument&Client=EPA&Index=2000+Thru+2005&Docs=&Query=&Time=&EndTime=&SearchMethod=1&TocRestrict=n&Toc=&TocEntry=&QField=&QFieldYear=&QFieldMonth=&QFieldDay=&IntQFieldOp=0&ExtQFieldOp=0&XmlQuery=&File=D%3A%5Czyfiles%5CIndex%20Data%5C00thru05%5CTxt%5C00000032%5CP100IL55.txt&User=ANONYMOUS&Password=anonymous&SortMethod=h%7C-&MaximumDocuments=1&FuzzyDegree=0&ImageQuality=r75g8/r75g8/x150y150g16/i425&Display=hpfr&DefSeekPage=x&SearchBack=ZyActionL&Back=ZyActionS&BackDesc=Results%20page&MaximumPages=1&ZyEntry=1&SeekPage=x&ZyPURL]</td>
<td>In-line or at the end of storm pipes, ideal for retrofitting existing pipes [https://nepis.epa.gov/Exe/ZyNET.exe/P100IL55.TXT?ZyActionD=ZyDocument&Client=EPA&Index=2000+Thru+2005&Docs=&Query=&Time=&EndTime=&SearchMethod=1&TocRestrict=n&Toc=&TocEntry=&QField=&QFieldYear=&QFieldMonth=&QFieldDay=&IntQFieldOp=0&ExtQFieldOp=0&XmlQuery=&File=D%3A%5Czyfiles%5CIndex%20Data%5C00thru05%5CTxt%5C00000032%5CP100IL55.txt&User=ANONYMOUS&Password=anonymous&SortMethod=h%7C-&MaximumDocuments=1&FuzzyDegree=0&ImageQuality=r75g8/r75g8/x150y150g16/i425&Display=hpfr&DefSeekPage=x&SearchBack=ZyActionL&Back=ZyActionS&BackDesc=Results%20page&MaximumPages=1&ZyEntry=1&SeekPage=x&ZyPURL]</td>
<td></td>
</tr>
<tr>
<td>Environment 21 StormPro</td>
<td>Above ground and below grade storage and settling</td>
<td></td>
<td>0.5-8.6 cfs. Max loading for all models = 10.8 gpm/sq ft [https://fortress.wa.gov/ecy/wqpds/pds/newtech/use_designations/STORMPROenvironment21PULD.pdf]; [http://www.njcat.org/uploads/newDocs/StormProVerificationReportFinal.pdf]</td>
<td>11 models. The 5 models in the StormPro V series range from 4 ft x 8 ft x 2.5+ ft to 10 ft x 20 ft x 5+ ft [https://fortress.wa.gov/ecy/wqpds/pds/newtech/use_designations/STORMPROenvironment21PULD.pdf]; [http://www.njcat.org/uploads/newDocs/StormProVerificationReportFinal.pdf]</td>
<td>Baffle wall: precast concrete or other approved rigid materials, Bypass pipe: rigid plastic [http://www.njcat.org/uploads/newDocs/StormProVerificationReportFinal.pdf]</td>
<td></td>
<td></td>
</tr>
<tr>
<td>BaySeparator by BaySaver  </td>
<td>Above ground and below grade storage and settling</td>
<td>1.2-8 acres impervious area [http://www.virginiadot.org/business/resources/LocDes/BMP_Design-Manual/Chapter_16_Hydrodynamic_Separators.pdf]
</td>
<td>Treats maximum of 22 cfs [https://baysaver.com/wp-content/uploads/2018/04/BaySeparator-Brochure-10652-03-14.pdf]</td>
<td>5 standard sizes: manhole diameter 48-120 inches, 6-8 ft deep [https://baysaver.com/wp-content/uploads/2018/04/BaySeparator-Brochure-10652-03-14.pdf]</td>
<td>Concrete, HDPE, polyethylene [https://baysaver.com/wp-content/uploads/2018/04/BaySeparator-Brochure-10652-03-14.pdf]</td>
<td></td>
<td></td>
</tr>
<tr>
<td>Sump Manhole with SAFL Baffle</td>
<td>Above ground and below grade storage and settling</td>
<td><10 acres   [https://upstreamtechnologies.us/docs/SAFL-Baffle-Design-Guide.pdf]</td>
<td>Horizontal flow must be at least 3x flow from above [https://upstreamtechnologies.us/docs/SAFL-Baffle-Design-Guide.pdf]</td>
<td>Can be installed in sump structures w/ diameters of 3-10 ft and depths >= 3 ft [https://www.dnr.state.mn.us/water_access/bmp/sump_manhole_with_safl_baffle_bmp.html]</td>
<td>Stainless steel [https://upstreamtechnologies.us/docs/Upstream_SAFL_Brochure.pdf]</td>
<td>New or existing sump manhole [https://www.dnr.state.mn.us/water_access/bmp/sump_manhole_with_safl_baffle_bmp.html]</td>
<td></td>
</tr>
<tr>
<td>Deep sump catch basin</td>
<td>Above ground and below grade storage and settling</td>
<td><0.25 acre impervious area</td>
<td>< 3 cfs  [http://prj.geosyntec.com/npsmanual/deepsumpcatchbasin.aspx]</td>
<td>Diameter of outlet pipe = D: diameter of catch basin = 4D, sump depth >= 4D, top of outlet pipe 1.5 D below bottom of inlet. Minimum sump depth = 4 ft.  [http://prj.geosyntec.com/npsmanual/deepsumpcatchbasin.aspx]</td>
<td></td>
<td>Off-line system. May not be used in place of oil/grit separator or sand filter in areas with potential to generate high concentrations of oil and grease such as high-use parking lots, gas stations, and vehicle storage areas  [http://prj.geosyntec.com/npsmanual/deepsumpcatchbasin.aspx]</td>
<td></td>
</tr>
<tr>
<td>Forebay/pre-settling </td>
<td>Above ground and below grade storage and settling</td>
<td>10 acres minimum to wet pond, portion feeding into forebay depends on number of tributaries to pond  [https://stormwater.pca.state.mn.us/index.php?title=Design_criteria_for_stormwater_ponds]</td>
<td>~0.2 cfs/acre drained [http://www.cleanwaterways.org/downloads/criteria_2001_edition.pdf]</td>
<td>Volume > 10% of water quality volume, depth = 3-6 ft, surface area = 10% of pond permanent pool surface area or 0.1% of drainage area, Tear shaped (inlet at narrow end) w/ avg length to width ratio = 3:1, side slope = 3:1 or flatter [http://www.cleanwaterways.org/downloads/criteria_2001_edition.pdf]; [https://stormwater.pca.state.mn.us/index.php?title=Design_criteria_for_stormwater_ponds]</td>
<td>Bottom of forebay hardened using concrete, asphalt, or grouted riprap [https://stormwater.pca.state.mn.us/index.php?title=Design_criteria_for_stormwater_ponds]</td>
<td>On-line, at each inlet contributing greater than 10% of the total design storm inflow to pond [https://stormwater.pca.state.mn.us/index.php?title=Design_criteria_for_stormwater_ponds]</td>
<td>Underlying soils should be hydrologic group C or D, liner may be needed for A or B group soils. [https://stormwater.pca.state.mn.us/index.php?title=Design_criteria_for_stormwater_ponds]</td>
</tr>
<tr>
<td>Pretreatment vegetated filter strip (VFS)</td>
<td>Filtration</td>
<td>< a few acres, max flow path 75-150 ft depending on perviousness, slope of drainage area <5% [https://stormwater.pca.state.mn.us/index.php?title=Design,_construction,_operation_and_maintenance_specifications_for_pretreatment_vegetated_filter_strips]; [https://www.stormwaterpa.org/assets/media/BMP_manual/chapter_6/Chapter_6-4-9.pdf]</td>
<td><1 ft/s, flow should be sheet flow and unconcentrated [https://stormwater.pca.state.mn.us/index.php?title=Design,_construction,_operation_and_maintenance_specifications_for_pretreatment_vegetated_filter_strips]</td>
<td>VFS width (parallel to sheet flow) = 25-100 ft depending on vegetation, slope and drainage area soil [https://www.njstormwater.org/bmp_manual/NJ_SWBMP_9.10.pdf]; [https://www.stormwaterpa.org/assets/media/BMP_manual/chapter_6/Chapter_6-4-9.pdf]</td>
<td>Soil, grass [https://www.stormwaterpa.org/assets/media/BMP_manual/chapter_6/Chapter_6-4-9.pdf]</td>
<td>Residential lawns, parking lots, part of riparian buffer [https://www.stormwaterpa.org/assets/media/BMP_manual/chapter_6/Chapter_6-4-9.pdf]</td>
<td>Hydrologic Soil Groups A-D permitted, table for corresponding slopes [https://www.njstormwater.org/bmp_manual/NJ_SWBMP_9.10.pdf]</td>
</tr>
<tr>
<td>Filtration</td>
<td>Level-Spreader - Vegetative Filter Strip System (LS-VFS)</td>
<td>< a few acres [https://stormwater.pca.state.mn.us/index.php?title=Design,_construction,_operation_and_maintenance_specifications_for_pretreatment_vegetated_filter_strips]</td>
<td><=10cfs [https://ncdenr.s3.amazonaws.com/s3fs-public/Water%20Quality/Surface%20Water%20Protection/SPU/SPU%20-%20BMP%20Manual%20Documents/BMPMan-Ch08-20100309-DWQ-SPU.pdf]</td>
<td>LS width (parallel to sheet flow) = 10-100 ft, VFS width >= 30-50 ft [https://ncdenr.s3.amazonaws.com/s3fs-public/Water%20Quality/Surface%20Water%20Protection/SPU/SPU%20-%20BMP%20Manual%20Documents/BMPMan-Ch08-20100309-DWQ-SPU.pdf]</td>
<td>Concrete, soil, grass [https://ncdenr.s3.amazonaws.com/s3fs-public/Water%20Quality/Surface%20Water%20Protection/SPU/SPU%20-%20BMP%20Manual%20Documents/BMPMan-Ch08-20100309-DWQ-SPU.pdf]</td>
<td>Distance from surface waters: LS and VFS must be outside riparian buffer, LS must be outside stormwater setbacks [https://ncdenr.s3.amazonaws.com/s3fs-public/Water%20Quality/Surface%20Water%20Protection/SPU/SPU%20-%20BMP%20Manual%20Documents/BMPMan-Ch08-20100309-DWQ-SPU.pdf]</td>
<td>VFS max slope = 8% [https://ncdenr.s3.amazonaws.com/s3fs-public/Water%20Quality/Surface%20Water%20Protection/SPU/SPU%20-%20BMP%20Manual%20Documents/BMPMan-Ch08-20100309-DWQ-SPU.pdf]</td>
</tr>
<tr>
<td>Up-Flo Filter</td>
<td>Filtration</td>
<td>0.66 acres impervious drainage area per filter module based on Nashville design storm [https://www.hydro-int.com/sites/default/files/uff_dg_nashville_f1504.pdf]</td>
<td>0.056 cfs per filter module (max number of modules 6-54) [https://www.hydro-int.com/sites/default/files/ssuff1604_web.pdf]</td>
<td>Round manhole: 4 ft diameter, 7.5 ft high Rectangular vaults: 6 ft x 8 ft x 6.5 ft to 15 ft x 13 ft x 6.5 ft</td>
<td></td>
<td>Roads, carparks, commercial properties, airports, offline and online treatment of existing storm drains [https://www.hyndsenv.co.nz/wp-content/uploads/EVS-1-Up-Flo-Filter.pdf]</td>
<td></td>
</tr>
<tr>
<td>Storm Clean</td>
<td>Filtration</td>
<td></td>
<td>Filtration flow rates (nominal/max)= 40/80 gpm, Strainer flow rate >= 100 gpm [https://cleanwayusa.com/stormclean/]</td>
<td>Filtration surface area (fabric elements) = 6.4 sq ft, Strainer surface area = 4.8 sq ft [https://cleanwayusa.com/stormclean/]</td>
<td>Stainless steel [https://cleanwayusa.com/catchbasin]</td>
<td>Can be fit into existing catch basin, curb inlet, drop inlet, or downspout [https://cleanwayusa.com/stormclean/]</td>
<td></td>
</tr>
<tr>
<td>Gravel filtration</td>
<td>Filtration</td>
<td>Same as inlet gravel bags are placed around</td>
<td></td>
<td>Varies by need. For example, one version available comes in 11x48, 11x96, and 19x28 inch bags. [https://bmpstore.com/products/gravel-bags]</td>
<td>Bags are high quality woven polymer material with high UV rating, gravel [https://bmpstore.com/products/gravel-bags]</td>
<td>In front of or around existing catch basin inlets [https://www.spillcontainment.com/products/gravel-bags/]</td>
<td></td>
</tr>
<tr>
<td>Filtration berm</td>
<td>Filtration</td>
<td></td>
<td>1 cfs per 8 linear ft [http://prj.geosyntec.com/npsmanual/filterberm.aspx]</td>
<td>Berm height = 12-18 inches high with 3:1 side slopes, every 100-300 feet depending on slope [http://prj.geosyntec.com/npsmanual/filterberm.aspx]</td>
<td>Washed, well-graded gravel/rock ¾ to 3 inches in size with <5% fines [http://prj.geosyntec.com/npsmanual/filterberm.aspx]</td>
<td>Right-of-ways, traffic areas, construction sites [http://prj.geosyntec.com/npsmanual/filterberm.aspx]</td>
<td>No restriction</td>
</tr>
<tr>
<td>SiltSoxx R by Filtrexx</td>
<td>Filtration</td>
<td>Varies by application</td>
<td>Varies by application</td>
<td>Available in 5 in to 32 in diameter depending on application, up to 200 ft in length [https://www.filtrexx.com/en]; [https://www.filtrexx.com/application/files/1015/0186/8935/1.1_Filtrexx_Sediment_Control.pdf]</td>
<td>Filtrexx Media in Filtrexx Mesh [https://www.filtrexx.com/en]</td>
<td>Existing inlets, site perimeters, paved surfaces, compacted soils, exposed slopes [https://www.filtrexx.com/application/files/1015/0186/8935/1.1_Filtrexx_Sediment_Control.pdf]</td>
<td>Compacted or susceptible to erosion</td>
</tr>
<tr>
<td>StormExx R by Filtrexx</td>
<td>Filtration</td>
<td>Same as catch basin</td>
<td>15-40 gpm [https://www.filtrexx.com/application/files/8315/2632/4158/Filtrexx_StormExx_CLEAN_Specification.pdf]</td>
<td>15-gallon storage, fits any existing storm drain [https://www.filtrexx.com/application/files/8315/2632/4158/Filtrexx_StormExx_CLEAN_Specification.pdf]</td>
<td>Stainless steel or HDPE, EnviroSoxx filtering media cartridge [https://www.filtrexx.com/application/files/8315/2632/4158/Filtrexx_StormExx_CLEAN_Specification.pdf]</td>
<td>Existing inlet</td>
<td></td>
<tr>
<td>SNOUT</td>
<td>Screening/Straining</td>
<td>Same as catch basin</td>
<td>Same as catch basin</td>
<td>Variety of sizes and shapes fit most rectangular and round manholes [http://www.bmpinc.com/sizing?field_structure_shape_value=Flat+Box&field_min_width_diameter_value_selective=All&field_straight_outside_diameter_value_selective=All]</td>
<td></td>
<td>Existing manholes and sumped catch basins (sump depth must be >36 inches or 2.5 x outlet pipe diameter [http://www.bmpinc.com/]</td>
<td></td>
</tr>
<tr>
<td>Eliminator</td>
<td>Screening/Straining</td>
<td>Same as catch basin</td>
<td>Up to 2 cfs if Elimo-Filter used [https://www.kleanstream.com/products/]</td>
<td>8, 10, 12, 15, and 18-inch sizes</td>
<td>High Density Polyethylene</td>
<td>Existing manholes and sumped catch basins</td>
<td></td>
</tr>
<tr>
<td>Floatable boom</td>
<td>Buoyancy/Skimming</td>
<td></td>
<td></td>
<td>Float height = 2-8 inches, Skirt/curtain = 8-16 ft, Section length 25-100 ft [https://www.spillcontrolinc.com/stormwater-products-spill-control/containment-booms-a-turbidity-curtains]</td>
<td>Blocks of expanded polystyrene, PVC</td>
<td>Calm to medium current water bodies downstream of nearshore construction zones, dredging, demolition [https://www.spillcontrolinc.com/stormwater-products-spill-control/containment-booms-a-turbidity-curtains]</td>
<td></td>
</tr>
<tr>
<td>Hood</td>
<td>Buoyancy/Skimming</td>
<td>Same as catch basin</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</table>

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[[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Pretreatment]]
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