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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...

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,...

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   ...

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 (...

We got a comment back from USGBC that said this: 

It is unclear if the Product Replacement via EPDs optimization for aluminum extrusions, hollow structural steel, gypsum boards/...

did anyone targeted Option 2, Path 4 and included recycled steel and rebars as "salvaged/reused"  materials.

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...

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...

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...

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...