Dear All,

I have some questions regarding Building Product Disclosure and Optimization – Environmental Product Declarations.

1. Credit requirements refers to “at...

We work with architects and contractors to prepare their LEED documentation and our projects require a separate LEED submittal process from Contractor to AOR.  On the contractor side, we are...

Hi all. I know that EPDs have an expiration date listed on them, but I think I have heard of a rule that as long as the product the EPD is for is purchased within the year of expiration, it...

I am pursuing Option 1. The credit says: "20 different permanently installed products." Would appliances count?

Quoted from the 4.1 Beta:

Option 2. Multi-Attribute Optimization (1 point)
Use products that comply with one of the criteria below for 10%, by cost, of the total value of
...

The Concrete supplier utilized multiple "mixes" of concrete in the project. A mix has slightly different functions, which I think would mean it is a separate product based on the USGBC definition...

I haven't seen a clear and definitive answer on this for NC-v4 MRc2, but LEED v4 does have 'not expired' requirements for EPDs in other sections (see here "Europe ACP: Option 4 Whole Building Life-Cycle Assessment"  https://www.usgbc.org/credits/new-construction-schools-new-construction-retail-new-construction-data-centers-new-construct) There is also at least one person going under the presumption that the EPD has to be valid when it is purchased and produced (https://leeduser.buildinggreen.com/forum/epd-expiration-date), but not necessarily when its installed. However,...

I am a master's student at State University of New York College of Environmental Science and Forestry doing my thesis in Barriers in implementing material transparency in LEED v4 projects.

For EPD Option 1 or MIR Option 1, it would seem you can just submit 20+ products with EPDs and not have to provide any material cost data whatsoever in the BPDO calculator, since the cost...

Hi,

Is there a database or list of companies or industries that provide EPDs? For example, if I were trying to spec certain companies based on their available EPDs is there a consolidated...