Bioretention: Streetscapes

This is an image map of a curb extension, clicking on components will load the appropriate article.

Header

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Gallery

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  Curb extension in Victoria. Image credit Dylan Passmore

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  'Offline' streetscape bioretention with trees, King Street, Kitchener

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  Bioretention on residential street, with covered drain inlet (grate in the gutter) and iron grate covered overflow in the centre of the cell, Hinsdale, IL Photo credit: CNT

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  Curb extension in downtown Indianapolis, IN

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  Curb extension on Queen Lane, in Philidelphia
  Photo credit: PWD

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  Curb extension with Urban Tree in a tree grate, in city showcased by the U.S Department of Transportation's, Federal Highway Administration.
  Photo credit: Jennifer Rosales

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  Boulevard with Urban Trees along the boulevard in tree grates, in Orlando, FL.
  Photo credit: Design by: GAI Consultants/Kevin Aust & Contractor: UCC Group.

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  Schematic of Urban Trees in tree grates in a proposed traffic-calming bump-out as part of the on Columbus Av. New York City, NY. The red arrow depicts the flow of water to the stormwater tree trench system.
  Photo credit: Jonathan Toner

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  Curb extension with planted tree in open tree pit, part of a finished soil cell system - a tree grate for safety reasons and increased aesthetic should be added. Located on Main St. Markham, ON.
  Photo credit: GreenBlue Urban Inc.

See Also

• Bioretention cells
• Extended tree pits
• Stormwater planters

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• Perennials
• Grasses
• Curb cuts
• Forebays
• Overflow
• Mulch
• Filter media
• Choking layer
• Reservoir

Refers to a system that when full, stormwater will bypass the practice. Offline systems use flow splitters or bypass channels that only allow the water quality volume to enter the facility. This may be achieved with a pipe, weir, or curb opening sized for the target flow, but in conjunction, create a bypass channel so that higher flows do not pass over the surface of the filter bed.

A shallow excavated surface depression containing prepared filter media, mulch, and planted with selected vegetation.

A shallow excavated surface depression containing prepared filter media, mulch, and planted with selected vegetation.