*An [[underdrain]] to redistribute or remove excess water
*An [[underdrain]] to redistribute or remove excess water
*An [[Liner|impermeable membrane]] to prevent infiltration to soils below
*An [[Liner|impermeable membrane]] to prevent infiltration to soils below
−
==Planning considerations==
==Planning considerations==
<h3>Space</h3>
<h3>Space</h3>
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<h3>Sizing</h3>
<h3>Sizing</h3>
{{:Bioretention: Sizing and modeling}}
{{:Bioretention: Sizing and modeling}}
−
<br>If additional storage volume is desired beneath an underdrain pipe, this may be sized as an [[Infiltration:_Sizing_and_modeling|infiltration trench]].
+
If additional storage volume is desired beneath an underdrain pipe, this may be sized as an [[Infiltration:_Sizing_and_modeling|infiltration trench]].
==Construction==
==Construction==
{{:Bioretention: Construction}}
{{:Bioretention: Construction}}
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<h3>In Ontario</h3>
<h3>In Ontario</h3>
<strong>City of Mississauga</strong><br>
<strong>City of Mississauga</strong><br>
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The City of Mississauga has a stormwater management credit program which includes RWH as one of their recommended site strategies[https://www.mississauga.ca/portal/services/credit-program].
+
The City of Mississauga has a stormwater management credit program which includes RWH as one of their recommended site strategies [https://www.mississauga.ca/portal/services/credit-program].