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, 7 years ago
<p>This type of bioretention facility provides the highest level of stormwater volume control. Although this design does not include an underdrain, an overflow pipe, weir or other outlet structure must be included.</p>
===Materials===
<h4>Gravel storage layer</h3>
{{:Gravel}}
<h4>Biomedia</h4>
{{:Biomedia}}
<h4>Planting considerations</h4>
{{:Bioretetion: Planting plans}}