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HPD: products with same technical charachteristics but different thickness, are considered distincts products (BA13/BA15, BA18)

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Sara BENLOUBA on Nov 2, 2022, 9:25 am

Hello everybody,

We used on our project plasterboards from the same manufacturer (Saint gobain), which have the same characteristics (acoustics, thermal resistance,) but they are different...

Last reply: Katrina Kashinejad, Jun 5, 2025, 9:01 am

Integrative Analysis of Building Materials- Work Smarter, Not Harder

Pilot-Credits MRpc103: Integrative Analysis of Building Materials
posted by Marina Rullo on Oct 23, 2023, 12:16 pm

This pilot credit is a useful way to both qualitatively and quantitatively examine the human health implications, environmental impacts, and safety impacts of building materials.

We’ve...

Last reply: Elizabeth Bautista, Jun 4, 2025, 12:02 pm

Initial Water Storage

NC-v4 SSc1: Site assessment
posted by JIm Rozema on Aug 24, 2018, 11:38 am

Can you provide the definition of the Estimated TR-55 Initial Water Storage? This term is not defined in TR-55.

Last reply: Nivedietha RajKumar, Jun 4, 2025, 6:41 am

Sensors as a substitute for testing

NC-v4 EQc4: Indoor air quality assessment
posted by Jennifer Berthelot-Jelovic on Jun 4, 2025, 2:21 am

Has anyone used sensors as a replacement for testing? We have numerous LEED+WELL projects and it seems ridiculous that we can use sensors to replace rigorous Performance Verification Testing with...

Last reply: Jennifer Berthelot-Jelovic, Jun 4, 2025, 3:11 am

Space-by-Space Method / Exceptions to Interior Ligtiing Power Allowance

CI-v4 EAp2: Minimum Energy Performance
posted by James Pack on Nov 6, 2020, 10:06 am

Hi 

I am preparing a LEED project for a jewellery boutique in London. They are purchasing free standing display cabinents with intergral lighting - the cabinets are to be assembled /...

Last reply: Marcus Sheffer, Jun 3, 2025, 5:38 pm

Material Quantity Input into EC3

Pilot-Credits MRpc132: Procurement of Low Carbon Construction Materials
posted by Kelli Kimura on Jan 19, 2024, 8:44 pm

Hi all,

We are curious how folks are gathering their material quantities per the pilot credit language "Material quantities shall reflect the final as-built project and be consistently...

Last reply: Sophie Sisson, Jun 3, 2025, 5:36 pm

Meeting Acoustic Performance Credit requirements for a furniture factory

NC-v4.1 EQc9: Acoustic performance
posted by Junaid Mujahid on May 23, 2025, 2:49 am

Hi forum users!

A furniture factory project I'm working on is attempting to target the LEED v4.1 NC Acoustic Performance credit. 

Project Details:

- Office spaces on the...

Last reply: Ken Shook, May 30, 2025, 7:18 am

Process or non-process? Kitchen Hood Exhaust and Makeup Air

NC-2009 EAp2: Minimum Energy Performance
posted by Matt Scott on Feb 4, 2015, 2:51 pm

Marcus Sheffer LEED Fellow 7group / Energy Opportunities LEEDuser Expert 5933 thumbs up February 4, 2015- 5:18 pm I think I answered this a bit ago in one of these forums. As I recall when the hood is make up air and exhaust without any space conditioning then it is process. When the hood includes some space conditioning that serves the space surrounding the hood then it is not process. Log in or register to post comments Matt Scott Engineer N.E. Fisher & Associates, Inc. LEEDuser Basic Member 18 thumbs up February 5, 2015- 8:55 am So even if the makeup air is heated, it's still considered...

Last reply: Martina Dell'antonio, May 29, 2025, 6:33 pm

Conflicting Directions

NC-v4.1 EQc2: Low-emitting materials
posted by Brianne Grace on Jan 5, 2022, 7:46 pm

I'm in the process of getting 3 Campus projects Certified.  All of which are virtually the same, just with different quantities of projects included.  Each project used virtually the same...

Last reply: Justin Southwick, May 29, 2025, 6:08 pm

polyisocyanurate roof insulation

NC-v4.1 EQc2: Low-emitting materials
posted by Allen Cornett on Dec 23, 2020, 3:50 pm

Does polyisocyanurate roof insulation on top of a concrete or metal deck need to be included in the documentation of the low-emitting materials insulation category?

Last reply: Justin Southwick, May 29, 2025, 5:10 pm