Technical college campus has a road that runs along side my project.

Question on LEED NC 2009 SSc8 - For Option #1 on the interior lighting portion, is having an occupancy sensor alone installed on fixtures that have a direct line of sight sufficient to meet this re

I've been reading and re-reading the interpretations by USGBC and the posts on this site and I still feel like I can't positively state the answer to the following question our team has: Can the LE

What is the height off the ground at which the vertical Fc are are to measured at the property line?

Hello, When calculating the number of lumens emitted at or above 90 degrees from nadir, is it possible to disregard the lumens that are shielded by the building its self / are not emmited directly

The USGBC has published a draft for additional guidance for international projects. That includes alternative compliance paths and even additional LEED online forms for international projects.

Hi, My project will install an exterior viedo wall. May I know if this feature shall included in the calculation?

I've looked at the annotated photometric plan example for this credit, and I noticed that at the project boundary, the vertical and horizontal footcandle values are reported as one single value. D

If we find the right kind of light fixture to be installed in the parking lot which can work well with an occupancy sensor, we will be able to reduce a lot of exterior light pollution for our proje

GBCI brought to my attention a correction that needed to be made to our FAQs.