For underground parking to qualify, can the roof just meet the CRI of at least 29 requirement without being either a green roof or covered by solar panels?

I have recently started the design stage submittal on a LEED 2009 NC project and I went to several credits under Sustainable sites including but not limited to SSc4.2 and SSc4.3 and when I click on

We are working on a project that will be cooled by a pre-existing central plant. There is a chiller that contains CFCs connected to the loop, however, it is used as a backup chiller.

I am under the impression that Regional material distance calculation option 2 (travel by sea, rail, etc.) is not allowed in LEED Retail-NC projects, but I'm finding conflicting information.

Hello, May I seek anyone's advice on how to determine the lighting power density for data hall while there is no criteria in ASHRAE 90.1? I have ever heard of 0.8 W/ sf (treating similar to activ

In the reviewers comments a query has been raised that the parking space allocated to demonstrate Car Pooling is not a preferred parking space - the two closest to entrance to the building are des

Hello, I need a clarification on how to calculate the percentage of recycled content for a specific material on my project. For example; My fiber glass insulation has 9% post consumer recycled cont

Under which category does a concrete volume stabilizer classify? It´s a granular powder without metal particles, ready mix which only needs water.

Dear all, I'm working on a passive building in which it was decided, as energy efficiency technique, to be buried.

I'm working on a model for a system designed for a small classroom building and have concerns on the proper baseline and proposed system ventilation rates.