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Establishing "Baseline Building"

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Kelsey Wotila on Mar 19, 2020, 2:18 pm

Hi All,
My team and I are working through how to determine our baseline building for this credit.  The language reads:
"The baseline and proposed buildings must be of comparable size...

Last reply: Kristian Kicinski, Jun 22, 2022, 5:43 pm

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: Erika Herrera, Jun 15, 2022, 4:33 pm

Updated Credit Requirements- resubmit or appeal?

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Deborah Lucking on Apr 26, 2022, 12:38 pm

Wondering if anyone has experience with this - we submitted the Credit under the beta version of v4.1 in June 2021, not realizing that the April 2021 version of the Credit has lower thresholds....

Last reply: Emily Purcell, May 31, 2022, 3:59 pm

Baseline- OK to use generic data and then show improvement with EPD?

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Linn Stolt on Mar 10, 2022, 10:49 am

Hello!

​I was wondering if it is allowed to use generic data for the Baseline and use EPD for the propsed building to show imporvements?

  • For example, can we use a generic...

Last reply: Linn Stolt, Mar 14, 2022, 5:23 am

Option 2, Path 1

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Michelle Halle Stern on Sep 17, 2021, 3:43 pm

Is Athena the only free LCA tool to use to get the 1 point whole building assessment? I was using EC3 Tool, but it isn't accounting for all the environmental impacts outside of Global Warming...

Last reply: Keith Robertson, Mar 8, 2022, 2:09 pm

Reused element in either structure or enclosure

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Maria Porter on Feb 22, 2021, 3:45 am

Option 2, path 4 – LCA. “….and incorporate...

Last reply: Maria Porter, Mar 7, 2022, 3:45 am

Tool for LCA

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Martin Maribo on Jan 10, 2022, 10:07 am

Can the Danish tool, LCAbyg, for MR Credit: Building Life-Cycle Impact Reduction be used for a project in Denmark?

LCAbyg is based on EN 15978 and include modules A1, A2, A3, A4, A5, B4,...

Inclusions in LCA model

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Marcin Wronowski on Aug 30, 2021, 6:48 am

Hello,

While conducting an LCA model under MR Credit: Building Life-cycle Impact Reduction, do we need to consider any considerably sized shading element / decorative...

Last reply: Bipin Karki, Aug 31, 2021, 8:38 am

Athena Structural Takeoff

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Monica Verastegui on Aug 4, 2021, 2:59 pm

I am doing LCA analysis for LEED by Athena. the building is modeled in Revit and I am getting the takeoffs from the model. My question is regarding columns and beams calculation. If we do have a...

LEED online Substitution v4.1 for v4 MRC1: Submit 4 Points for Option 4 Path 4?

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by J Schütz on Mar 20, 2020, 9:02 am

Dear all,

as our project meets the requirements of Path 4, we like to submit 4 Points in LEED online. For Option 4 under LEED v4 only 3 Points are available at the thresholds. Is it...

Last reply: J Schütz, Aug 5, 2020, 1:49 am