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Enhanced swales
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Revision as of 18:56, 16 March 2022
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2 years ago
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*5:1 on low permeability soils, such as [[Soil groups|hydrologic soil group (HSG) C and D]],
*5:1 on low permeability soils, such as [[Soil groups|hydrologic soil group (HSG) C and D]],
*20:1 on high permeability soils [[Soil groups|hydrologic soil group (HSG) Aand D]].
*20:1 on high permeability soils [[Soil groups|hydrologic soil group (HSG) Aand D]].
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For sizing of grass swales, see the following suggested equations to calculate their capacity / retention: [[Retention swales]]
===Pre-Treatment===
===Pre-Treatment===
DanielFilippi
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