Changes

[[file:Hydraulic radius.png|thumb|Three footprint areas of 9 m².<br>

[[file:Hydraulic radius.png|thumb|Three footprint areas of 9 m².<br>

From left to right x = 12 m, x = 20 m]]

From left to right x = 12 m, x = 20 m]]

The target [[drainage time]] for the internal storage of an infiltration facility is typically between 48 and 72 hours or based on the average inter-event period for the location.  See [[Drainage time]] for more information about how inter-event periods vary across Ontario and to help select what is suitable for the site <br>

The target [[drainage time]] for the internal storage of an infiltration facility is typically between 48 and 72 hours or based on the average inter-event period for the location.  See [[Drainage time]] for more information about how inter-event periods vary across Ontario and to help select what is suitable for the site. <br>

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Try the Darcy Drainage calculator tool for estimating drainage time assuming either one or three-dimensional drainage from the practice <br>

Try the Darcy Drainage calculator tool for estimating drainage time assuming either one or three-dimensional drainage from the practice: <br>

{{Clickable button|[[Media:Darcy drainage.xlsx|Download drainage time calculator(.xlsx)]]}}<br>

{{Clickable button|[[Media:Darcy drainage.xlsx|Download drainage time calculator(.xlsx)]]}}<br>

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