An additional building function e g exterior.
Green roof 50 credit ss 7 2.
Sri 29 or greater 1.
Ss credit 7 2 heat island effect roof 1 install 50 percent of the roof area with green roof to reduce urban heat island effect.
A vegetated roofing system might also be.
Water efficiency we credit 1 1 water efficient landscaping reduce by 50 percent 1 green roof with native or adaptive vegetation has high.
Heat island effect roof.
Reduce heat islands thermal gradient.
Basis for cost assumption.
Decreasing the size of the green roof will alter stormwater quantity thereby impacting ss credit 6 1 stormwater design.
The base case model for the courthouse assumes.
Stormwater design quantity control 80 tss reduction 1 c.
Or 100 of parking is under cover ex pt.
Green roofs do not include areas with solar energy panels.
Concern or in cases where the green roof provides.
2 the solar reflectance index is a measure of the constructed surface s ability to reflect solar heat as shown by a small temperature rise it is defined so that a standardblack surface reflectance 0 05 emittance 0 90 is 0 and a standard white surface.
We credit 1 2 water efficient landscaping no potable use or no irrigation 1 green roof with native or adaptive vegetation has high level of rainwater.
Roof 1 point.
Heat island effect non roof 100 of non roof impervious surfaces are high albedo or open grid paving or will be shaded within 5 years.
50 150k 150k because of.
1 heat islands are defined as thermal gradient differences between developed and underdeveloped areas.
Overall green roof systems installed on 50 or more of the roof surface virtually guarantees 2 leed points and can contribute an additional 7 points toward leed certification almost 20 of the total needed for a project to be leed certified.