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==Planning considerations==
==Planning considerations==
<h3>Space</h3>  
<h3>Space</h3>  
{Plainlist|1=
{{Plainlist|1=
*For optimal performance bioretention facilities should receive runoff from between 5 to 20 times their own surface area.  
*For optimal performance bioretention facilities should receive runoff from between 5 to 20 times their own surface area.  
*In the conceptual design stage it is recommended to set aside approximately 10 - 20 % of a catchment area to the bioretention facility.  
*In the conceptual design stage it is recommended to set aside approximately 10 - 20 % of a catchment area to the bioretention facility.  
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*Bioretention can be almost any shape, from very curving, soft edges with variable depth, to angular,  hard sided and uniform depth.
*Bioretention can be almost any shape, from very curving, soft edges with variable depth, to angular,  hard sided and uniform depth.
:For ease of construction and to ensure that the vegetation has adequate space, cells should be no narrower than 0.6 m at any point.  
:For ease of construction and to ensure that the vegetation has adequate space, cells should be no narrower than 0.6 m at any point.  
:The maximum width of a facility is determined by the reach of the construction machinery, which must not be tracked into the cell.}
:The maximum width of a facility is determined by the reach of the construction machinery, which must not be tracked into the cell.}}
{{:Bioretention: Context}}
{{:Bioretention: Context}}
<h3>Infiltration</h3>
<h3>Infiltration</h3>

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