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* 0.4 for [[stone]]
* 0.4 for [[stone]]
|-
|-
| [[Bioretention: Filter media|Filter media]] (''d<sub>m</sub>'')
| [[Bioretention: Filter media|Filter media]] depth (''d<sub>m</sub>'')
| colspan="2" |
| colspan="2" |
* 300 mm to support turf grass and accept only roof runoff
* 300 mm to support turf grass and accept only roof runoff
* 0.35 for more loamy Blend B (water quality treatment priority)
* 0.35 for more loamy Blend B (water quality treatment priority)
|-
|-
| [[choker layer|Choker layer]]
| [[choker layer|Choker layer] depth]
| colspan="2" |100 mm
| colspan="2" |100 mm
| 0.4
| 0.4
|-
|-
| [[Pipes|Perforated pipe]] and surrounding [[Aggregates|aggregate]]
| [[Pipes|Perforated pipe]] and surrounding [[Aggregates|aggregate] depth]
| 200 mm (i.e. pipe diameter)
| 200 mm (i.e. pipe diameter)
| Not applicable
| Not applicable