1. What is the difference between an open web steel joist and a plain steel joist? Which is a better approximation for typical steel construction of Wide Flange beams and composite concrete...

I am having significant problems with the LEED LCA score calculator. I am doing 6 buildings of 1-4 stories, and they are all getting similar scores, in the 134-147 point range. The stated...

Can we scale our square footage inputs linearally to account for cement replacement in excess of 20%? This seems to be especially important when considering foundations where we generally push...

April 21, 2011- 5:13 pm Pilot credits are intended to be much less formal than standard rating system credits. If you receive guidance or clarification via the LEEDuser forum or by emailing...

Hi LEEDusers -

The idea behind pilot credits is to get feedback from project team members on the concepts we're testing so that USGBC can learn from your experience and make these credits...

I just finished importing my data from the EC into the online LEED LCA Credit calculator and have a few questions and observations that might be helpful for others pursuing the credit.

Q1...

I am preparing my quantities for a project pursuing this credit and have a few questions about how much “massaging” the USGBC would like us to with our data when it doesn’t quite fit the options...