I am working on a Commercial Building Project that was registered over two years ago as a LEED CS (v2.0). Following registration the project went on hold and became recently active.

For our project we have selected Option 1: Energy and Water Data Release Form.

I'm working on a shopping mall project.

Dear all, I'd just like to clarify: would ceramic be considered a mineral based floor and therefore be exempt from any tests?

Hello! I would like to know from those who have worked with curtain walls, which U value do you take from ASHRAE for the baseline of the project.

We have 665 open ended 8 inch diameter steel pipe piles that were originally made for oil drilling but were discarded because they did not meet oil drilling tolerances.

Should Bus Maintenance Bays be included in this credit? People work in this areas more than 8 hours a day but how would you show compliance?

Is a marina considered as a water body? If not, will a new development still need to abide by the 100 feet buffer zone distance?

In LEED NC there is an option to use default 25% recycled content for steel. Is this not applicabel to CI?

I see that LeedUser has an assemblies calculator for MRc5, but there doesn't appear to be one for c4 - is that correct?