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→Calculate the remaining dimensions
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Line 62:
* Step 6: Multiply the depth of each separate component by the void ratio and then sum the total to find the 1 dimensional storage (in mm).
* Step 6: Multiply the depth of each separate component by the void ratio and then sum the total to find the 1 dimensional storage (in mm).
* Step 7: Calculate the required total storage (m<sup>3</sup>):
* Step 7: Calculate the required total storage (m<sup>3</sup>):
−<math>Storage=RVC_T\times A_c\times0.095</math>
+<math>Storage=RVC_T\times A_c\timesC\times0.1</math>
{{Plainlist|1=Where:
{{Plainlist|1=Where:
*''RVC<sub>T</sub>'' is the Runoff volume control target (mm),
*''RVC<sub>T</sub>'' is the Runoff volume control target (mm),
−* ''A<sub>c</sub>'' is the catchment area (Ha), and
+*''A<sub>c</sub>'' is the catchment area (Ha),
+*''C'' is the runoff coefficient of the catchment area, and
* 0.095 is the product of a typical runoff coefficient for impermeable surfaces (0.95) and the units correction between m<sup>3</sup> and mm.Ha. (0.1)}}
* 0.095 is the product of a typical runoff coefficient for impermeable surfaces (0.95) and the units correction between m<sup>3</sup> and mm.Ha. (0.1)}}
* Step 8. Divide required storage (m<sup>3</sup>) by the 1 dimensional storage (in m) to find the required footprint area (A_p) for the bioretention in m<sup>2</sup>.
* Step 8. Divide required storage (m<sup>3</sup>) by the 1 dimensional storage (in m) to find the required footprint area (A_p) for the bioretention in m<sup>2</sup>.