Line 9:
Line 9:
==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>
−
−
:<math>R=\frac{A_{c}}{A_{p}}</math>