Design Spec
Design Spec: Vegetated Roof, 2010
Developed by the Virginia Department of Conservation and Recreation, this design specification (Version 2.4, 2013) provides guidance on designing vegetated roofs to reduce stormwater runoff through retention, evapotranspiration, and filtration. It helps designers evaluate feasibility, structural requirements, and system components to effectively integrate green roofs into urban and redevelopment sites.
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View All ResourcesDeveloped by the Virginia Department of Conservation and Recreation, this design specification (updated 2013) provides guidance on disconnecting rooftop runoff...
Developed by the Virginia Department of Conservation and Recreation, this design specification (Version 1.9, March 1, 2011) provides guidance on...
Developed by the Virginia Department of Environmental Quality, this design specification (Version 2, 2013) provides guidance on using grass channels...