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Line 46: | and the downstream stream drain invert || || || || || || || || || || || || || || || || || || || ||
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{| class="wikitable" style="width: 175%; height: 200px;"
{| class="wikitable" style="width: 175%; height: 200px;"
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!colspan="2" style="background:darkcyan"|
!colspan="2" style="background:white; color:black"| LID Practice
!colspan="6" style="background: cyan; color: black"|CANADA
!colspan="6" style="background: orange; color: black"|CANADA
!colspan="13" style="background: darkcyan; color: white"|United States
!colspan="13" style="background: brown; color: white"|United States
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!colspan="2" |[[Bioretention]] || CVC+TRCA (Factsheets-2010) || CVC-Construction Guide-2012 || CVC-Retrofit Guide-2014 || Toronto- 2016 || LID-SWM Guide 2010 || LID-Design Guide Edmonton- 2014 || New York State SWM Design Manual-2015 || Massachusets SW BMP-2013 || District of Columbia-SWM Guidebook-2010 || San Diego LID Handbook-2014 || Alabama LID Handbook-2013 || W. Virginia-SWM design guidance manual-2012 || Rhode Island-SW design & Installation Standards Manual-2012 || Pennsylvania-City of Philadelphia green St. design manual-2014 || Minnesota SW Manual-2017 || Tennessee-LID Development-SWM 2016 || Texas-LID Technical Guidance Manual-2013 || Oregon SWM Manual-2014 || Oregon State Univ. Fact Sheets-2011
!colspan="2" style="backgroung=green; color:white"|Bioretention|| CVC+TRCA (Factsheets-2010) || CVC-Construction Guide-2012 || CVC-Retrofit Guide-2014 || Toronto- 2016 || LID-SWM Guide 2010 || LID-Design Guide Edmonton- 2014 || New York State SWM Design Manual-2015 || Massachusets SW BMP-2013 || District of Columbia-SWM Guidebook-2010 || San Diego LID Handbook-2014 || Alabama LID Handbook-2013 || W. Virginia-SWM design guidance manual-2012 || Rhode Island-SW design & Installation Standards Manual-2012 || Pennsylvania-City of Philadelphia green St. design manual-2014 || Minnesota SW Manual-2017 || Tennessee-LID Development-SWM 2016 || Texas-LID Technical Guidance Manual-2013 || Oregon SWM Manual-2014 || Oregon State Univ. Fact Sheets-2011
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!colspan="2" style="background:yellow; color:black"|Filter media depth (m)
| Filter media depth (m) || || || || || || || || || || || || || || || || || || || ||
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| Depth || || 1-1.25 || || || 1-1.25 || 1-1.25 || 0.5-1.0 || || || || || || || || || >= 2.5 ft. || || || ||
||||'''Depth''' ||| 1-1.25 || || || 1-1.25 || 1-1.25 || 0.5-1.0 || || || || || || || || || >= 2.5 ft. || || || ||
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| Composition || Topsoil || || || || || || || 30-50% || 20-30 % || || || || 8-20 % || || || Table 1 & 2 (below) || || || ||
!colspan="2" style="background:yellow; color:black"|Composition
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||| Topsoil || || || || || || || 30-50% || 20-30 % || || || || 8-20 % || || || Table 1 & 2 (below) || || || ||
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| || sand || 85-88 % || Fine sand=0-17%, Coarse to medium sand=71-92 % || 85-88 % || 85-88 % || 85-88 % || 50-85 % || 50-70 || 40% || 85-88 % || 65% sand, 20% sand loam || 85-88 % || 70-88 % || 85-88 % || 50-80 % || || 70-85 % (sandy loam) || 85-88 % || 66% || 60% (sandy loam)
| || sand || 85-88 % || Fine sand=0-17%, Coarse to medium sand=71-92 % || 85-88 % || 85-88 % || 85-88 % || 50-85 % || 50-70 || 40% || 85-88 % || 65% sand, 20% sand loam || 85-88 % || 70-88 % || 85-88 % || 50-80 % || || 70-85 % (sandy loam) || 85-88 % || 66% || 60% (sandy loam)
| || Compost (optional) || || || || || || 15-25% || || || || 15% || || || || || || || || ||
| || Compost (optional) || || || || || || 15-25% || || || || 15% || || || || || || || || ||
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| Gravel storage || || || || || || || || || || || || || || || || || || || ||
!colspan="2" style="background:yellow; color:black"|Gravel storage
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| Void space ratio || || 0.4 || || || || 0.4 || || || || || || || || || || || || || ||
||| Void space ratio || 0.4 || || || || 0.4 || || || || || || || || || || || || || ||
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| Depth || || min. 300 mm || || || min. 300 mm || min. 300 mm || || || || || || || || || || || || || ||
||| Depth || min. 300 mm || || || min. 300 mm || min. 300 mm || || || || || || || || || || || || || ||
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| Diameter(clear stone) || || 50 mm || || || 50 mm || 50 mm || || || || || || || || || || || || || ||
||| Diameter(clear stone) || 50 mm || || || 50 mm || 50 mm || || || || || || || || || || || || || ||
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| Pea gravel choking layer depth (mm) || || 100 || || || || 100 || 100 || || || || || || || || || || || || ||
|Pea gravel choking layer ||depth (mm) || 100 || || || || 100 || 100 || || || || || || || || || || || || ||
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| diameter (mm) || || 3-10 || || || || 3-10 || || || || || || || || || || || || || ||
||| diameter (mm) || 3-10 || || || || 3-10 || || || || || || || || || || || || || ||
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| Mulch || || || || || || || || || || || || || || || || || || || ||
!colspan="2" style="background:yellow; color:black"|Mulch
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| Depth || || 75 mm || <=75 mm || || 75 mm || 75 mm || 70-80 || || || || || || || || || || || || ||
| ||Depth || 75 mm || <=75 mm || || 75 mm || 75 mm || 70-80 || || || || || || || || || || || || ||
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| Overflow || || || || || || || || || || || || || || || || || || || ||
!colspan="2" style="background:yellow; color:black"|Overflow
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| Overflow invert above the filter bed surface || || 150-250 || || || <= 250 mm || || || || || || || || || || || || || || ||
| ||Overflow invert above the filter bed surface || 150-250 || || || <= 250 mm || || || || || || || || || || || || || || ||
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| Monitoring well || || || || || || || || || || || || || || || || || || || ||
!colspan="2" style="background:yellow; color:black"|Monitoring well
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| Vertical perforated pipe diameter || || 100-150 mm || 100-150 mm || || 100-150 mm || 100-150 mm || || || || || || || || || || || || || ||
||| Vertical perforated pipe diameter || 100-150 mm || 100-150 mm || || 100-150 mm || 100-150 mm || || || || || || || || || || || || || ||
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| Underdrain || || || || || || || || || || || || || || || || || || || ||
!colspan="2" style="background:yellow; color:black"|Underdrain
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| Required when infiltration rate || || < 15 mm/hr || || || < 15 mm/hr || || < 13 mm/hr || || || || || || || || || || || || ||
||| Required when infiltration rate || < 15 mm/hr || || || < 15 mm/hr || || < 13 mm/hr || || || || || || || || || || || || ||
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| Diameter || || min. 100 mm(200 mm recommended) || min. 100 mm, 200 mm is recommended || || min. 200 mm || min. 100 mm(200 mm recommended) || 200 mm || || || || || || || || || 4 inches || || || ||
| ||Diameter || min. 100 mm(200 mm recommended) || min. 100 mm, 200 mm is recommended || || min. 200 mm || min. 100 mm(200 mm recommended) || 200 mm || || || || || || || || || 4 inches || || || ||
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| Depth above the gravel storage layer || || 100 mm || || || 100 mm || || || || || || || || || || || || || || ||
| ||Depth above the gravel storage layer || 100 mm || || || 100 mm || || || || || || || || || || || || || || ||
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| Available head beween the inflow point || || 1-1.5 m || || || || 1-1.5 m || || || || || || || Typical CDA 0.1-2.5 acres of 100% IP(<0.5 no underdrain), alternative to checking layer is needle punched non-woven geotextile || || || || || || ||
||| Available head beween the inflow point and the downstream stream drain invert || 1-1.5 m || || || || 1-1.5 m || || || || || || || Typical CDA 0.1-2.5 acres of 100% IP(<0.5 no underdrain), alternative to checking layer is needle punched non-woven geotextile || || || || || || ||
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| Contributing drainage area Typical || || 100 m2 to 0.5 hectare || || || || 100 m2 to 0.5 hectare || || || || || || 0.5-2 acres preferred, max 5 acres, BR min. size 200 ft2 || || || || 5 acres || || || ||
!colspan="2" style="background:yellow; color:black"|Contributing drainage area
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|||Typical || 100 m2 to 0.5 hectare || || || || 100 m2 to 0.5 hectare || || || || || || 0.5-2 acres preferred, max 5 acres, BR min. size 200 ft2 || || || || 5 acres || || || ||
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| Maximum recommended || || 0.8 hectare || || || || 0.8 hectare || || || || || || || || || || || || || ||
|||Maximum recommended || 0.8 hectare || || || || 0.8 hectare || || || || || || || || || || || || || ||
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| Setback from building Foundation(m) || || 4 || || || 4 || 4 || 3 (clay), 5 (heavy clay) || || || || || || || || || see table 3 below || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center" |'''Setback from building Foundation(m)''' || 4 || || || 4 || 4 || 3 (clay), 5 (heavy clay) || || || || || || || || || see table 3 below || || || ||
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| (Impervious drainage/treatment facility) area || || 5:1 to 15:1 || || || 5:1 to 15:1 || 5:1 to 15:1 || || < 5:1 loading ratio (DA to IA, DA 100% IP) || SA of BR 3 to 6% of CDA || || || sized at 5-8 % of IPCDA || BR SA 3-6% of CDA || || || CDA < 5 acres || CDA < 2.5 acres || CDA < 5 acres || || BR SA: 6-15 % of IP area
|colspan="2" style="background:yellow; color:black; text-align: center"| '''(Impervious drainage/treatment facility) area''' || 5:1 to 15:1 || || || 5:1 to 15:1 || 5:1 to 15:1 || || < 5:1 loading ratio (DA to IA, DA 100% IP) || SA of BR 3 to 6% of CDA || || || sized at 5-8 % of IPCDA || BR SA 3-6% of CDA || || || CDA < 5 acres || CDA < 2.5 acres || CDA < 5 acres || || BR SA: 6-15 % of IP area
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| Contributing Slope (%) || || 1-5 || || || || 1-5 || || || || || || || || || || >1 % and < 33% || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Contributing Slope (%)''' || 1-5 || || || || 1-5 || || || || || || || || || || >1 % and < 33% || || || ||
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| Slope of the surface, % || || || || || || || || || || || || || || || || <= 1% || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Slope of the surface, %''' || || || || || || || || || || || || || || || <= 1% || || || ||
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| Water table depth || || min. 1.0 m || || || || min. 1.0 m || > 1.8 || || || || || || || || || 3 ft. || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Water table depth''' || min. 1.0 m || || || || min. 1.0 m || > 1.8 || || || || || || || || || 3 ft. || || || ||
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| Outlet || || || min. 100 mm above the bottom of the facility || || || || || || || || || || || || || Difference in elevation between inflow and outflow =4-6 ft (when underdrain is used) || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Outlet''' || || min. 100 mm above the bottom of the facility || || || || || || || || || || || || || Difference in elevation between inflow and outflow =4-6 ft (when underdrain is used) || || || ||
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| Maximum ponding depth above the filter bed surface || || 150-250 mm || || || 250 mm || 150-250 mm || 350 mm || || || || || || || || || 18 inch || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Maximum ponding depth above the filter bed surface''' || 150-250 mm || || || 250 mm || 150-250 mm || 350 mm || || || || || || || || || 18 inch || || || ||
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| Facilties receiving road runoff are not located within time of travel || || 2 || || || || 2 || || || || || || || || || || || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Facilties receiving road runoff are not located within time of travel''' || 2 || || || || 2 || || || || || || || || || || || || || ||
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| wellhead protection areas, year || || || || || || || || || || || || || || || || || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''wellhead protection areas, year''' || || || || || || || || || || || || || || || || || || ||
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| Drainage time of ponded water after the end of storm event , hr || || || || || || 24 (48 recommd.) || < 48 (2 yr. design) || || || || || || || || || Max. 48 hr. || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Drainage time of ponded water after the end of storm event , hr''' || || || || || 24 (48 recommd.) || < 48 (2 yr. design) || || || || || || || || || Max. 48 hr. || || || ||
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| Inlet design for non-point source-grass filter buffer, m || || || || || || || 0.5-3.0 || || || || || || || || || || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Inlet design for non-point source-grass filter buffer, m''' || || || || || || 0.5-3.0 || || || || || || || || || || || || ||
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| Surface area/Contributing drainage area, % || || 10-20 % || || || || 10-20 % || 3.0-30 % || || || || || || || || || (5-10)%- min. 200 ft2 || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Surface area/Contributing drainage area, %''' || 10-20 % || || || || 10-20 % || 3.0-30 % || || || || || || || || || (5-10)%- min. 200 ft2 || || || ||
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| Contributing impervious area || || || || || || || < 4.0 ha. || ` || || || || || || || || || || || < 15000 ft2 ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Contributing impervious area''' || || || || || || < 4.0 ha. || ` || || || || || || || || || || || < 15000 ft2 ||
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| Facility flow velocity || || || || || || || < 0.3 m/s-planted area || || || || || || || || || <= 1 ft/sec, tree-shurb-mulch cell || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Facility flow velocity''' || || || || || || < 0.3 m/s-planted area || || || || || || || || || <= 1 ft/sec, tree-shurb-mulch cell || || || ||
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| || || || || || || || < 0.9 m/s- mulched zone || || || || || || || || || <= 3 ft/sec , grassed cell || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| || || || || || || < 0.9 m/s- mulched zone || || || || || || || || || <= 3 ft/sec , grassed cell || || || ||
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| Discharge velocity (outlet point) || || || || || || || || || || || || || || || || < 4 ft/sec || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Discharge velocity (outlet point)''' || || || || || || || || || || || || || || || < 4 ft/sec || || || ||
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| Side slope (H:V) || || || || || || || 4:1 preferred(max 2:1) || || || || || || || || || 3:1 (H:V) || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Side slope (H:V)''' || || || || || || 4:1 preferred(max 2:1) || || || || || || || || || 3:1 (H:V) || || || ||
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| Surface geometery (length/width) || || || || || || || 2:1 || || || || || || || || || || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Surface geometery (length/width)''' || || || || || || 2:1 || || || || || || || || || || || || ||
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| Infiltration trench (optional) || || || || || || || || || || || || || || || || || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''Infiltration trench (optional)''' || || || || || || || || || || || || || || || || || || ||
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| Depth, m || || || || || || || 0.5-1.0 || || || || || || || || || || || || ||
||| Depth, m || || || || || || 0.5-1.0 || || || || || || || || || || || || ||
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| Width, m || || || || || || || 1.0-6.0 || || || || || || || || || || || || ||
||| Width, m || || || || || || 1.0-6.0 || || || || || || || || || || || || ||
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| Bottom slope, % || || || || || || || 0 || || || || || || || || || || || || ||
||| Bottom slope, % || || || || || || 0 || || || || || || || || || || || || ||
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| C/N Ratio || || || || || || || || || || || || || || || 12:1-25:1 || || || || ||
|colspan="2" style="background:yellow; color:black; text-align: center"| '''C/N Ratio''' || || || || || || || || || || || || || || 12:1-25:1 || || || || ||
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