Changes

===Setbacks From Buildings===

===Setbacks From Buildings===

If an impermeable liner is used, no setback is needed, although designing to maintain drainage away from the building is crucial. Where no liner is used, a setback of 4 m from the building foundations should be applied.

If an impermeable liner is used, no setback is needed, although designing to maintain drainage away from the building is crucial. Where no liner is used, a setback of 4 m from the building foundations should be applied.

===Private sites===

===Context===

In single family residential sites [[Rain gardens|rain gardens]] most often take the form of a soft edged, traditional perennial planting bed.  

In single family residential sites [[Rain gardens|rain gardens]] most often take the form of a soft edged, traditional perennial planting bed.  

As many private industrial, commercial and institutional sites have landscaping around their [[Bioretention: Parking lots| parking lots]], bioretention is an increasingly popular choice to manage stormwater in these contexts.

As many private industrial, commercial and institutional sites have landscaping around their [[Bioretention: Parking lots| parking lots]], bioretention is an increasingly popular choice to manage stormwater in these contexts.

===Streetscape===

===Streetscape===

Bioretention is a popular choice for making urban green space work harder. Design configurations include extending the cells to accommodate shade trees, and using retrofit opportunities to create complete streets with traffic calming and curb extensions or 'bump outs'. See [[Bioretention: Streetscapes]]   

Bioretention is a popular choice for making urban green space work harder. Design configurations include extending the cells to accommodate shade trees, and using retrofit opportunities to create complete streets with traffic calming and curb extensions or 'bump outs'. See [[Bioretention: Streetscapes]]