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→Size a bioretention cell
The following equations assume that infiltration occurs primarily through the base of the facility.
The following equations assume that infiltration occurs primarily through the base of the facility.
They may be easily applied for any shape and size of infiltration facility, in which the reservoir storage is mostly in an aggregate.
They may be easily applied for any shape and size of infiltration facility, in which the reservoir storage is mostly in an aggregate.
This spreadsheet tool has been set up to perform either of the above calculations.<br>
This spreadsheet tool has been set up to perform either of the above calculations.<br>
<strong>[[Media:Infiltration Sizing.xlsx|Download .xlsx calculation tool]]</strong>
<strong>[[Media:Infiltration Sizing.xlsx|Download .xlsx calculation tool]]</strong>
==Calculate Drawdown time==
To calculate the time (''t'') to fully drain the facility:
To calculate the time (''t'') to fully drain the facility: