In the 2009 Reference Guide, an alternative path that allows foregoing DES plant replacement through an economic analysis that shows DES replacement is economically unfeasible is clearly stated.

Hi all!

We are currently under preliminary design review on a LEED 2009 Schools (split review) project. We received LEED prelim.

How can I find out how points I would get for a particular RP. Is it always only one point if I pass the threshold?

Does LEED User have the achievement rates for exemplary performance of credits?  We are a GC and currently have been awarded a project with a goal of achieving exemplary performance in constru

Is it still possible to get 3 points for 5 compliant credit categories, if the building is entirely constructed off-site and then brought to the site and assembled?

We're getting ready to move onto construction phase.

USGBC Addenda 100001062 updated the exterior lighting table for LEED v3 projects to the 90.1-2010 allowances. The addenda just says it updates credit SSc8 though.

Is using mulch considered as a non roof measure under the heat island reduction category?

My subcontractor has submitted a Test Report showing the MDF has passed the following: