Changes

If you are designing a planted system which does infiltrate water, see advice on [[Bioretention: Sizing]].

If you are designing a planted system which does infiltrate water, see advice on [[Bioretention: Sizing]].

The dimensions of a stormwater planter are largely predetermined according to the function of the component. As they do not contain a storage reservoir the planters rely more upon careful selection of materials. Both the satruated hydraulic conductivity of the filter media and the number and size of perforations of the [[underdrain]] pipe play critical roles for flow control.

The dimensions of a stormwater planter are largely predetermined according to the function of the component. As they do not contain a storage reservoir the planters rely more upon careful selection of materials. Both the satruated hydraulic conductivity of the filter media and the number and size of perforations of the [[underdrain]] pipe play critical roles for flow control. Options for maintaining separation between filter media and clear stone aggregate include a 100 mm deep choker layer or sheet of geotextile filter fabric.

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