Hello, I'm working on a project where a very large amount of the soil had to be removed due to contamination (we are pursuing SSc3) and clean soil had to be brought in from off-site.

I am working in the LEED certification of a Shopping Centre (Core & Shell) where the following stores will be installed: Bank, Beauty Salon, Laundry, Library, Pharmacy, Post-Office, Restaurant,

Is a CI project required to replace the filters of the main building AHU? The project is a 5000 sf office space tenant in a 162,000 sf building (no AHU's in the space).

The RP credits for the project zip-code shows the same credit reference listed for RP 5 and RP 6. Does this mean that we get 2 RP points if we achieve the double listed credit?

Option 1 compliance path indicates the minimum % savings is 10% for new construction. In the LEED v4 comments a mention was made that the threshold was 12% for v2009.

On a CI 2009 project we have slab on grade that was initially poured without a water vapor barrier causing moisture issues in the entire sturcture.We would like to polish the concrete and add Reac

Hi, I have a doubt related to the definition of "semi-conditioned" spaces.

Does anyone know of any IDc1 points associated with task lighting? It was listed on the cutsheet, which made me wonder what it could be for.

Hi all! The datasheet or manufacuturer advertisement sometimes say that the product is "slovent-free". As paints generally have to solved to be liquid, I guess "solvent-free" in this context means