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* 0.4 for aggregate
* 0.4 for aggregate
|-
|-
| [[Bioretention filter media]] (''d<sub>m</sub>'')
| [[Bioretention: Filter media|filter media]] (''d<sub>m</sub>'')
| colspan="2" |
| colspan="2" |
* 300 mm to support turf grass (and accept only rainwater/roof runoff)
* 300 mm to support turf grass (and accept only rainwater/roof runoff)