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→Determine the effective infiltration coefficient
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----+|To calculate the require facility area or footprint where the depth is constrained:
−<math>A_{p}=\frac{IiD}{V_{R}d+\left ( \frac{q}{SCF} \right )D}</math>
*''A<sub>p</sub>'' = Area of the infiltration practice in m<sup>2</sup>
*''A<sub>p</sub>'' = Area of the infiltration practice in m<sup>2</sup>
*''A<sub>c</sub>'' = Catchment area in m<sup>2</sup>}}
*''A<sub>c</sub>'' = Catchment area in m<sup>2</sup>}}
−|}
+|To calculate the require facility area or footprint where the depth is constrained:
−<math>A_{p}=\frac{IiD}{V_{R}d+\left ( \frac{q}{SCF} \right )D}</math>
−{| class="wikitable style="background: none;"
|To calculate the required depth, where the area of the facility is constrained:
|To calculate the required depth, where the area of the facility is constrained:
<math>d=\frac{D\left[Ri-q'\right]}{V_{R}}</math>
<math>d=\frac{D\left[Ri-q'\right]}{V_{R}}</math>
−|}
|}
{{Plainlist|1=Where:
{{Plainlist|1=Where: