I see there is stated illuminance limits for 'Internally Illuminated Exterior Signage' but there is also an exemption stated for 'internally illuminated signage' and this is cau

Hi, my project abuts a parking lot that is basically an expanded shoulder with spaces, directly off of a roadway.

Does anyone have experience on whether a scoreboard for a sports stadium would fall into "internally illuminated exterior signage"?

Hi Bill, Do you know how to account for exterior lighting that does not have published BUG ratings?

Hi All,

Hi all, hoping you can provide some insight into this scenario.

Hello,

I am working on a 10-story office LZ2 project looking for light pollution reduction by BUG and light trespass method. 

The LEED manual states that, under certain conditions, the lighting boundary can be modified (e.g.when the property line is adjacent to a public street, alley, or transit corridor, the lighting bou

Hi,

We are adding a Natatorium addition to an existing YMCA. In conjunction with this work, there will be new exterior lighting installed.