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

Has anyone here used TallyCAT for a LEED submission? I’ve just started my first TallyCAT model, and it seems to only represent...

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/...

Hi everyone,

I would like to clarify the difference between...

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:...

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 (...

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...

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...

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   ...

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...