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→Calculate the remaining dimensions
* 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\timesC\times0.1</math>
<math>Storage=RVC_T\times A_c\times C\times 0.1</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),
* 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>.
* Step 9. Calculate the peak flow rate (''Q<sub>p</sub>'', in L/s) through the filter media:
* Step 9. Calculate the peak flow rate (''Q<sub>p</sub>'', in L/s) through the filter media:
<math>Q_{p} = A_{p}\times K_{sat}\times 3.6 \times10^{-3}</math>
<math>Q_{p} = A_{p}\times K_{sat}\times 3.6 \times 10^{-3}</math>
{{Plainlist|1=Where:
{{Plainlist|1=Where:
*''K<sub>sat</sub>'' is the saturated hydraulic conductivity of the filter media (mm/hr), and
*''K<sub>sat</sub>'' is the saturated hydraulic conductivity of the filter media (mm/hr), and