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Both of these considerations are equally relevant to the [[underdrain]] of any structural BMP.
Both of these considerations are equally relevant to the [[underdrain]] of any structural BMP.
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Whilst this is a great rule of thumb, like all aspects of LID, this 1 meter figure might warrant discussion on a site-by-site basis.
Whilst this is a great rule of thumb, like all aspects of LID, this 1 meter figure might require amendment on a site-by-site basis.
Factors to consider include:
Factors to consider include:
*risks due to short periods of groundwater mounding and potentially unobserved seasonal fluctuations.
*risks due to short periods of groundwater mounding and potentially unobserved seasonal fluctuations.