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Concrete Mixes Counting as Separate Products- One EPD

NC-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by Summer Gorder on Jul 2, 2019, 11:49 am

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...

Last reply: Allison Para, Feb 27, 2024, 4:25 pm

Cumulative Points

Pilot-Credits WEpc115: Whole Project Water Use Reduction
posted by Catarina Costa Goncalves on Dec 6, 2023, 9:41 am

following documentation: Whole Project Water Use Reduction calculator, pilot credit registration confirmation, feedback survey, and evidence of participation on the LEEDuser forum to discuss our experience...

Last reply: Catarina Costa Goncalves, Feb 27, 2024, 11:36 am

Surface Reflectivity calculations for walls with glazing

NC-v4.1 EQc6: Interior lighting
posted by Ricardo Sá on Jan 28, 2021, 4:50 am

Dear All,

According to LEED credit library, For at least 90% of regularly occupied spaces, use interior finishes with a surface reflectance greater or equal to 80% for ceilings...

Last reply: Jamy Bacchus, Feb 26, 2024, 11:40 pm

LEED V4.1 O&M Precertification denied.

LEED v4.1 Discussion Forum
posted by shashank gangil on Feb 26, 2024, 10:32 pm


I recently enrolled a project on LEED online for LEED V4.1 O&M. We are going for Pre-Certification First.

For Pre-certification of LEED v4.1 O&M, we need to fill a...

Interior cross contamination prevention out of scope-CI

CI-v4 EQc1: Enhanced indoor air quality strategies
posted by Casey Cullen-Woods on Jul 16, 2019, 1:45 pm

I am working on a commercial interior fit out project that would like to pursue this credit. The...

Last reply: Crina Bosch , Feb 26, 2024, 3:58 pm

Waste performance yields a score of zero points in ARC

EBOM-v4.1 MRp3: Waste Performance
posted by jimmy Adames on Feb 26, 2024, 1:50 pm

Hi, Our building is a very automated distribution center for an apparel company.  Due to the nature of the business, we receive cardboard cases with product and before it ships to customers, all...

One-time air testing: how to enter readings in the ARC platform

EBOM-v4.1 EQp4: Indoor Environmental Quality Performance
posted by jimmy Adames on Feb 26, 2024, 1:35 pm

Greetings, I have a few questions regarding this credit.

  1. We have a large Distribution center and are taking CO2...

Reused dishwashers

NC-v4.1 WEp2: Indoor water use reduction
posted by Rachael McGinley on Feb 21, 2024, 4:37 pm

HI, the new version of the credit states that dishwashers that are reused do not need to comply with the credit requirements. 

Does this apply to dishwashers that are reused in the same...

Last reply: emily reese moody, Feb 26, 2024, 1:24 pm

Serious(ly) Newb Question: ASHRAE 90.1,

LEED v4.1 Discussion Forum
posted by on Feb 25, 2024, 1:41 am

Hi Folks,

I am the poor slob (AKA apprentice) tasked with sorting out the credit our local electrical utility will allow for a lighting project of a commercial bldg outside parking lot....

Confirmation of Agent's Authority

LEED v4.1 Discussion Forum
posted by Aaron Kennedy on Nov 24, 2020, 11:00 am

We are filling out the Confirmation of Agent's Authority.  Does the agent need to be the LEED Accredited Professional or can it be me, the lowly non LEED certified person?  

Thank you,...

Last reply: Filippo Weber, Feb 26, 2024, 5:56 am