Green Roof 50 Credit Ss 7 2

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.

Green roof 50 credit ss 7 2.

50 150k 150k because of. Concern or in cases where the green roof provides. Or 100 of parking is under cover ex pt. 1 heat islands are defined as thermal gradient differences between developed and underdeveloped areas.

Roof 1 point. Water efficiency we credit 1 1 water efficient landscaping reduce by 50 percent 1 green roof with native or adaptive vegetation has high. 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. Reduce heat islands thermal gradient.

Green roofs do not include areas with solar energy panels. Basis for cost assumption. 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. An additional building function e g exterior.

Heat island effect roof. Stormwater design quantity control 80 tss reduction 1 c. Decreasing the size of the green roof will alter stormwater quantity thereby impacting ss credit 6 1 stormwater design. A vegetated roofing system might also be.

The base case model for the courthouse assumes. 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. Ss credit 7 2 heat island effect. Sri 29 or greater 1.