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→Size a bioretention cell
|Determine if there is a constraint to the depth (''d'') of the bioretention practice:
|Determine if there is a constraint to the depth (''d'') of the bioretention practice:
{{:Depth to GW}}
{{:Depth to GW}}
|'''or''' if the land area is limited, determine the I/P ratio:<math>R=\frac{A_{c}}{A_{p}}</math>
|'''or''' if the land area is limited, determine the I/P ratio::<math>R=\frac{A_{c}}{A_{p}}</math>
{{Plainlist|1= Where:
{{Plainlist|1= Where:
*''R'' = Ratio of catchment area (''A<sub>c</sub>'') to BMP footprint area (A<sub>p</sub>) syn. I/P ratio.
*''R'' = Ratio of catchment area (''A<sub>c</sub>'') to BMP footprint area (A<sub>p</sub>) syn. I/P ratio.