Would appreciate very much if anyone can clarify that the maximum allowed percentage of total lumens emitted above horizontal (by lighting zone) is applied to each luminaire or the sum of all lumen

Working on a project where the property line is adjacent to a railroad track operated by a private railway company(BNSF).

Is there any circumstance whereby an after hours manual override for a Civic Building would not be acceptable for exterior lighting?

Am I missing something or does v4 no longer have any requirement on interior lighting that has a significant uplighting component? We have an interior atrium that will have this issue - and it jus

This has come up on a project and we lost on appeal so I'm sharing this information with everyone. Any area being claimed in the wattage baseline calculation must be illuminated to a minimum light

This may be a silly question, but are fixtures attached to the garage considered building-mounted? The garage is separate from our LEED project but within the site boundary.

Who determines the exterior lighting zone LZ0-LZ4 for a LEED project? I am working on a project in a state that isn't mine and I don't know much about the city.

I saw a similar question regarding uplight, but is it possible for a building-mounted light fixture to be excluded from the glare requirements if it is shielded from the lighting boundary by anothe

This may be an academic question but I am unsure on the wording. The modification of the lighting boundary depends on adjacency to a walkway or a public street.

If I understand the LEED requirements for exterior lighting, we will be following the BUG guidelines for all lighting that will remain on from sunset to sunrise.