Changes

{| class="wikitable"  

{| class="wikitable"  

|+Permanent pool storage, surface loading rates and detention times for sedimentation practices.  Calculations are based on a one hectare drainage area with 85% imperviousness, peak flow rate for 4 hour Chicago distribution for 25 mm event and runoff coefficient of 0.81.<ref>MOE, 2003; City of Toronto catch basin standard (T 705.010); OGS vendor technical manuals, TRCA OGS sizing review tool.</ref>

|+Permanent pool storage, surface loading rates and detention times for sedimentation practices.  Calculations are based on a one hectare drainage area with 85% imperviousness, peak flow rate for 4 hour Chicago distribution for 25 mm event and runoff coefficient of 0.81.<ref>References include: MOE, 2003; City of Toronto catch basin standard (T 705.010); OGS vendor technical manuals, TRCA OGS sizing review tool.</ref>

|-

|-

! Practice

! Practice