Hi - wondering if anybody has determined how to deal with concrete flooring that is basically just the slab that has been sealed.  We have some spots where there is tile or carpet applied over

Greetings.I am working on a project for a previously certified LEED community college campus (circa 2010).

Is existing site lighting, scheduled to remain, required to be included in the Light Pollution Reduction Credit when using the calculation method or is it only for proposed light fixtures? 

We have a school in design achieving 40% to 45% reduction thus 4 to 5 points for Indoor Water Use Reduction per the LEED v4.1 guide.  If it achieves at least 40% (antiicpated) it would then ac

Are there guidelines on how to determine how many air samples need to be collected to comply with the IAQ Assessment requirement?

I realize this is most likely quite a basic question, but in V4.1 are allowable quality view areas only for those regularly occupied spaces within the 3x head height zone and all others do not coun

Hi, I would like to know if there is additional guidance on the requirement to provide pressurized entryway vestibules at high-volume building entrances.

In this credit under option 1 the standard formula includes a vegetated roof.

The project contractor intends to do a full flush-out prior to occupancy.  Most of the furniture will be installed prior to flush-out, but on particular oder has been delayed and may not arriv