I'm hoping for some insight on the annual leakage rate calculation, the reference guides reference to EPA Clean Air Act, Rule 608, and the Refrigerant Management Plan. On page 145 of the reference

We are modelling a building with water cooled chillers. We are preparing a baseline plant for LEED NC 2009. For the check of necessary plant efficiencies we checked the minimal efficiencies with co

The building seeking LEED certification is a downtown, high-rise building without feasible street parking. The building has an attached parking structure.

Would entry stairs to the building be considered part of the building footprint, or part of the site hardscape? Thanks.

Hello. I have a typical room in this CI project, that is used in a sporadic period during the day. In this room we have five workstation, but as i said, used about 1 hour per day.

Hello, I have a project in which the only fixture inside the project scope is a small kitchen sink, of course that it will be water efficient. Shall I fill the LEED Online form with only this in

Does installing a vertical wall in building facade or interior contribute to this credit? I assume that doing so will also promoting biodiversity.

This might be a redundant question; I'm sorry if it is. We fall into the Case 2 category as we're more than 75% of the building.

Our business uses large/wide format printing for design plans quite a bit and the paper has accounted for a large portion of our purchasing. I've gone to our vendors to see about recycled content p

Hello; Out BAS does not measure air flow (CFM), but, it does measure Return Air and OA C02 values. Can this PreReq be met using CO2 measurement (demand ventilation) rather than CFM?