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Line 9: + + + + + + − − :<math>R=\frac{A_{c}}{A_{p}}</math>
→Determine the effective infiltration coefficient
==Determine the effective infiltration coefficient==
==Determine the effective infiltration coefficient==
Determine the I/P ratio:
:<math>R=\frac{A_{c}}{A_{p}}</math>
{{Plainlist|1= Where:
*''R'' = Ratio of catchment area (''A<sub>c</sub>'') to BMP footprint area (A<sub>p</sub>) syn. I/P ratio.
*''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>}}
:<math>q'=\frac{q}{SCF}</math>
:<math>q'=\frac{q}{SCF}</math>