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Line 27:
Line 27: − + − + − +
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| [[Bioretention: Filter media|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 roof runoff
* 600 mm to support shrubs, flowering [[perennials]] and deeply rooting decorative [[grasses]]
* 600 mm to support shrubs, flowering [[perennials]] and deeply rooting decorative [[grasses]] and accept both roof and pavement runoff
* 1000 mm to support [[trees]]
* 1000 mm to support [[trees]] and accept both roof and pavement runoff
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* 0.4 for sandier Blend A (drainage rate priority)
* 0.4 for sandier Blend A (drainage rate priority)