Curb extensions: Gallery

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  Curb extension in Victoria. Image credit Dylan Passmore

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  'OfflineRefers 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.' streetscape bioretentionA shallow excavated surface depression containing prepared filter media, mulch, and planted with selected vegetation. with trees, King Street, Kitchener

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