Changes

<math>d_{s, max}=\frac{f'\times t}{0.4}</math>

<math>d_{s, max}=\frac{f'\times t}{0.4}</math>

{{Plainlist|1=Where:

{{Plainlist|1=Where:

*''f''' = Design infiltration rate (mm/hr), and

*''f''' = [[Design infiltration rate]] (mm/hr), and

*''t'' = [[Drainage time]] (hrs), e.g. 96 hours, check local regulations for drainage time requirements.   

*''t'' = [[Drainage time]] (hrs), e.g. 96 hours, check local regulations for drainage time requirements.   

*''0.4'' = Void ratio of [[reservoir gravel|clear stone]]}}

*''0.4'' = Void ratio of [[Reservoir aggregate|clear stone]]}}

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