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Line 19: + + − + − − Words in here about this type of bioretention. − − + − ==Example drawings== − <pdf width="700" height="300">File:</pdf> − − |url=https://wiki.sustainabletechnologies.ca/index.php?title=File:TO_curb.pdf − |width=750 − |height=350 − − + − *[[Extended tree pits]] + − *[[Perennials: List| Perennials]] − *[[Graminoids:_List| Grasses]] − *[[Curb cuts]] − *[[Forebays]] − *[[Overflow]] − *[[Mulch]] − *[[Bioretention:_Filter_media|Filter media]] − *[[Choking layer]] − *[[Reservoir_gravel|Reservoir]]
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poly 3 1325 471 1322 474 1292 474 1096 487 1095 487 1339 3 1340 [[Overflow]]
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Hydraulically separated or connected with an [[underdrain]], these are often quite small units of 5 - 50 m<sup>2</sup> each. In urban settings the bioretention may be bounded entirely with hardscape, restricting options for [[pretreatment]] and sheet flow. Amenity and safety can be enhanced on sidewalks with a short (~ 45 cm wall) for seating, although the finished grade is usually only slightly lower than surroundings. Where underground space permits, shade [[trees]] are common feature of these facilities, enhancing the streetscape experience and optimizing transpiration. This type of bioretention is often designed offline, with bypass [[overflow]].
An excellent opportunity for integrating more bioretention into the street is through careful design of curb extensions for traffic control. See [[Roadside safety]] for design advice specific to this application.
==Gallery==
==Gallery==
{{:Curb extensions: Gallery}}
{{:Curb extensions: Gallery}}
{{:Extended tree pits: Gallery}}
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}}
==See Also==
==See Also==
*[[Bioretention cells]]
*[[Bioretention]]
*[[Stormwater planters]]
*[[Stormwater planters]]
*[[Stormwater Tree Trenches |Stormwater tree trenches]]
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