Hi all, A question about industrial sites: According to ASHRAE 90.1- section 9.4.5 Exterior Building Lighting Power, lighting used for the following exterior applications is exempt when equipped

If you've got full cutoff fixtures you are usually set. However, if you have a situation like we had earlier, with some angled spotlights, you've got a problem.

We have a project located on a military base where we are lighting a parking lot classified in an LZ3 zone.

SSc8 includes a limitation in terms of the total initial designed fixture lumens emitted at an angle of 90 degrees or higher from nadir (for example, 2% for LZ2).

Our project is on an Urban site bordered by Public right of way on all sides. The property line that we will use as a Project Boundary is several feet outside the curb line.

Hi, I'm working on a LEED v3 project and We have an issue complying with this credit. Our project is basically a 24-hour operation project, however, some spaces do not operate for 24 hours such as

In the Bird's Eye View section of this credit, one of the FAQs stated: Are hospitals exempt from interior lighting requirements? Yes. Does this mean if we are doing a HC project, the interior l

I am working on Football Club Academy project based on LEED NC 2009 and AGMBC 2011.

Regarding the interior light requirements: We have an office building that is not intended to be in use during the 11pm to 5am period, therefore we will have automated controls w/ manual overide an

I understand that residential units are exempt from interior lighting requirements. Does this include hotel guest rooms as well?