Hi all,

I would like to ask if the same tiles are being used in the toilets and at the stairs as well then can we count it as 2 separate products or it has to be one product?

Hi all,

In the ref guide (p.514), it states that as part of Industry Wide EPD "the manufacturer is explicitly recognized as a participant by the program operator." However, this is the...

Is the threshold for exemplary performance for a CS project 20 EPDs? I assume that both the 1 pt threshold reduction logic (from 20 to 10) applies to the exemplary performance threshold (40 to 20...

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
...

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.