Option 1, Enhanced IAQ Strategies, paragraph B states spaces are to be exhausted where hazardous gases or chemicals may be present or used.

Is there a certain requirement/specification to use concrete that has been crushed from other sites as a material for another site?

Hello, I was wondering if any one in the forum has experienced a more rigorous review of the enery and water usage data when using a third party data source vs.

Hello, what would be the percentage required of racks for visitors in a residential project?

Hello, I am currently working on a project and we are targeting LEED ND. As part of LEED ND, one of the buildings will be LEED NC certified.

Hi, our project includes a winery production area and has different cleaning protocols then our office and tasting room spaces do. Does the dilution requirement apply to these types of spaces?

I would like to certify a two story, 3,800 s.f. office building. When generating the Energy Star performance report one question asks to confirm that the building area is 5,000 s.f. or greater.

Hello all, In doing some research it is easy to find manufacturers that provide Product-specific Type 3 EPDs (valued as a 1.0 pts.) Such examples of manufacturers that already have such EPDs incl

I have a sample Basis of Design document that applies to LEED 2.2. Not sure if there are any differences in the requirements for the document required in LEED 2009.

Is there any guidance on how to calculate the area of edible nut and fruit bearing trees? I assume we could calculate the area based on the position of the tree trunks or the tree crown.