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Opt 2, path 4 Reuse and Salvaged Material requirement

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Dave Hubka on Oct 10, 2022, 11:18 am

I can't seem to find a minimum threshold for the amount of reused / salvaged materials required to be able to achieve all (4) points within Opt 2 Path 4.

Does anyone know if...

Last reply: Dave Hubka, Feb 19, 2024, 8:24 am

A2 EPDs Eutrophication

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Cecilia Lopez-Cotarelo on Jun 22, 2023, 9:47 am

Hello,

I am starting to use the new A2 type EPDs and having some challeneges with reporting the eutrophication potential, as there are three different types reported in different units:...

Last reply: Maria Porter, Aug 30, 2023, 3:08 am

Standard EPD to use in LCA

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Jose MARTINEZ on Jun 13, 2023, 4:08 pm

Good afternoon colleagues, we have recently received comments (by LEED reviewers) about the EPDs we use for LCA in the baseline model that are not the standards to consider in the U.S. industry (...

How to represent product-specific EPDs with LCA tools which don't cover them.

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by on May 3, 2023, 10:56 am

While we are getting up to speed on using OneClick LCA in our practice, most of our project LCAs are still in Tally, which currently has a more fixed database of materials. For Tally models where...

Last reply: Divya Shroff, Jun 14, 2023, 12:07 pm

Design stage of the submitted LCA analysis?

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by on May 10, 2023, 1:53 pm

I couldn't find any mention of requirements for the design stage of the submitted LCA analysis. If the LCA is performed during DD, say, and not much significant has changed to the design through...

Last reply: Bipin Karki, May 11, 2023, 3:01 pm

Is Option 2 AND Option 3 possible?

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Ian McCall on Mar 6, 2023, 2:50 am

Dear LEED Experts, 

In v4.1 is possible to combine "Option 2 AND Option 3" together or is just limited to "Option 1 AND/OR Option 2     OR   ...

Defining a baseline building

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Cecilia Lopez-Cotarelo on Jan 30, 2023, 12:41 pm

Hello,

I am carrying out an LCA for an EU-based project and am confused as to how to establish a baseline to compare improvements in the carbon footprint. 

The project is currently...

Last reply: Camilo Velez, Jan 31, 2023, 10:40 am

Does LEED require a third-party to verify the LCA report?

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Michael on Aug 18, 2022, 5:52 am

My project is using One Click software to do LCA report. I would like to ask if LEED requires an independent professional (from One Click for example) to verify our LCA report before we submit it...

Last reply: Sagar Siripuram, Nov 8, 2022, 1:37 am

Is the LCA a design or construction credit for LEED?

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Camilo Velez on Sep 17, 2022, 11:48 am

Hello all,

We have done several LCA for LEED, and we submitted them with the construction review since that is how it's defined in the LEED guideline, however, on LEED online it appears as...

Last reply: Martin Maribo, Sep 27, 2022, 3:03 am

Building reuse plus addition

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Erica Downs on Sep 1, 2021, 5:34 pm

Can someone please clarify if the entire project (including additions) is used as the "denominator" for this credit?  Or only the existing building that is being resused?  I am finding the credit...

Last reply: Allison Wilson, Sep 6, 2022, 12:31 pm