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→Determine maximum overall depth
==Determine maximum overall depth==
==Determine maximum overall depth==
Step 1. Determine what the planting needs are and assign appropriate depth of media.
*Step 1. Determine what the planting needs are and assign appropriate depth of media.
Step 2. Determine what the pipe diameter needs to be and assign appropriate depth of reservoir.
*Step 2. Determine what the pipe diameter needs to be and assign appropriate depth of reservoir.
Step 3. Determine maximum possible storage reservoir depth (''d<sub>S</sub>''):
*Step 3. Determine maximum possible storage reservoir depth (''d<sub>S</sub>''):
<math>d_{S}=f'\times38.4</math>
<math>d_{S}=f'\times38.4</math>
{{Plainlist|1=Where:
{{Plainlist|1=Where:
===Additional step for system without underdrain===
===Additional step for system without underdrain===
Step 4. Determine maximum permissible ponding depth (''d<sub>P</sub>''):
*Step 4. Determine maximum permissible ponding depth (''d<sub>P</sub>''):
<math>d_{P}=f'\times19.2</math>
<math>d_{P}=f'\times19.2</math>
{{Plainlist|1=Where:
{{Plainlist|1=Where: