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Talk:Soakaways, Infiltration Trenches and Infiltration Chambers Guide (view source)
Revision as of 20:05, 25 September 2017
, 6 years agoCreated page with "{| class="wikitable" ! !! !! !! !! !! !! Canada !! !! !! US !! !! !! !! |- | Soakaways, Infiltration Trenches and Chambers || || || || || || CVC+TRCA || Toron..."
{| class="wikitable"
! !! !! !! !! !! !! Canada !! !! !! US !! !! !! !!
|-
| Soakaways, Infiltration Trenches and Chambers || || || || || || CVC+TRCA || Toronto- 2016 || LID-SWM Guide 2010 || Massachusets SW BMP-2013 || District of Columbia-SWM Guidebook-2010 || W. Virginia-SWM design guidance manual-2012 || Pennsylvania-City of Philadelphia green St. design manual-2014 || Oregon SWM Manual-2014
|-
| || || || || || || Factsheets-2010 || || || || || || ||
|-
| Setback from building Foundation(m) || || || || || || 4 || || 4 || || || || Max. load of 10:1 for infiltration systems (not specific to LID type) ||
|-
| (Impervious drainage/treatment)area || || || || || || 5:1-20:1, 10:1 recommended || || 5:1-20:1, 10:1 recommended || CDA < 5 acres || CDA < 2 acres (T), < 5 acres (B) || < 2 acres || || CDA: max. 15000 ft2
|-
| Natural Slope (%) || || || || || || < 15 || || < 15 || || || || ||
|-
| A capped vertical sandpipe, perfored instaled to || || || || || || 100-150 mm || || 100-150 mm || || || || ||
|-
| the bottom of the facility to monitor drainage time || || || || || || || || || || || || ||
|-
| Filter Mdia || Stone Resvoir || || || || || || || || 1.5" to 3" stone dia., 2" pea gravel above 6" sand below || 1.5"-3.5" stone dia. For stone layer, 3" layer of washed river stone, or No. 8 or 89 stone above, 6-8 " of sand below || Stone 1.5"-3.5" || || Drain rock 3/4"-2.5 " washed open graded aggregate
|-
| || Void space(%) || || || || || 30-40 || 30-40 || 30-40 || || || || ||
|-
| || Granular material (clear stone)(mm) || || || || || 50 || 50 || 50 || || || || ||
|-
| || Geotextile, around the stone reservoir || || || || || min. 300 mm || 300 || min. 300 mm || || || || ||
|-
| || with an overlap at the top || || || || || || || || || || || ||
|-
| Bottom widh of excavations (mm) || || || || || || 600-2400 || 600-2400 || 600-2400 || || || || ||
|-
| Minimum depth of excavations under concrete laneway (mm) || || || || || || || 3000 || || || || || ||
|-
| length of time for draining after storm event (>25mm) || || || || || || max. 72 hr || || max.72 hr, 48 recommended || || || || ||
|-
| Depth to high water table (m) || || || || || || 1 || || 1 || || || || ||
|-
| Sand layer depth (mm) || || || || || || || 150-300 || || || || || ||
|-
| Subdrains || || || || Inlet pipes (mm) || || || 100-200 || || || || || ||
|-
| Overflow ( if infiltration rate ) || || || || || || || < 15 mm/hr || || || || || ||
|-
| Facilties reciving road runoff are not located within time of travel || || || || || || 2 || || 2 || || || || ||
|-
| wellhead protection areas, year || || || || || || || || || || || || ||
|}
! !! !! !! !! !! !! Canada !! !! !! US !! !! !! !!
|-
| Soakaways, Infiltration Trenches and Chambers || || || || || || CVC+TRCA || Toronto- 2016 || LID-SWM Guide 2010 || Massachusets SW BMP-2013 || District of Columbia-SWM Guidebook-2010 || W. Virginia-SWM design guidance manual-2012 || Pennsylvania-City of Philadelphia green St. design manual-2014 || Oregon SWM Manual-2014
|-
| || || || || || || Factsheets-2010 || || || || || || ||
|-
| Setback from building Foundation(m) || || || || || || 4 || || 4 || || || || Max. load of 10:1 for infiltration systems (not specific to LID type) ||
|-
| (Impervious drainage/treatment)area || || || || || || 5:1-20:1, 10:1 recommended || || 5:1-20:1, 10:1 recommended || CDA < 5 acres || CDA < 2 acres (T), < 5 acres (B) || < 2 acres || || CDA: max. 15000 ft2
|-
| Natural Slope (%) || || || || || || < 15 || || < 15 || || || || ||
|-
| A capped vertical sandpipe, perfored instaled to || || || || || || 100-150 mm || || 100-150 mm || || || || ||
|-
| the bottom of the facility to monitor drainage time || || || || || || || || || || || || ||
|-
| Filter Mdia || Stone Resvoir || || || || || || || || 1.5" to 3" stone dia., 2" pea gravel above 6" sand below || 1.5"-3.5" stone dia. For stone layer, 3" layer of washed river stone, or No. 8 or 89 stone above, 6-8 " of sand below || Stone 1.5"-3.5" || || Drain rock 3/4"-2.5 " washed open graded aggregate
|-
| || Void space(%) || || || || || 30-40 || 30-40 || 30-40 || || || || ||
|-
| || Granular material (clear stone)(mm) || || || || || 50 || 50 || 50 || || || || ||
|-
| || Geotextile, around the stone reservoir || || || || || min. 300 mm || 300 || min. 300 mm || || || || ||
|-
| || with an overlap at the top || || || || || || || || || || || ||
|-
| Bottom widh of excavations (mm) || || || || || || 600-2400 || 600-2400 || 600-2400 || || || || ||
|-
| Minimum depth of excavations under concrete laneway (mm) || || || || || || || 3000 || || || || || ||
|-
| length of time for draining after storm event (>25mm) || || || || || || max. 72 hr || || max.72 hr, 48 recommended || || || || ||
|-
| Depth to high water table (m) || || || || || || 1 || || 1 || || || || ||
|-
| Sand layer depth (mm) || || || || || || || 150-300 || || || || || ||
|-
| Subdrains || || || || Inlet pipes (mm) || || || 100-200 || || || || || ||
|-
| Overflow ( if infiltration rate ) || || || || || || || < 15 mm/hr || || || || || ||
|-
| Facilties reciving road runoff are not located within time of travel || || || || || || 2 || || 2 || || || || ||
|-
| wellhead protection areas, year || || || || || || || || || || || || ||
|}