If project uses boundary lights (even near to boundary also), it is very difficult to comply the credit requirements. Is there any solution to this issue?

We have received IES file for one of our lighting simulation project.

can a building still achieve this credit if they adhere to ASHRAE 90.1 for exterior lighting, none of the exterior lighting falls over the site boundary and there is no glazing in the building shel

Hello All, I have a project that is required to meet its own jurisdictional dark sky ordinance.

Hi All, We are considering using some of up-lights to light some trees at night, I wonder if there is a way to calculate the lumens shielded by trees or by a canopy structure on top of it (very na

We have a 2 m. high brick wall running all around out site.

We are working on a rural site which will be classified as LZ1, so will not be allowed any light to be emitted above 90 degrees from nadir.

We have a govt. project that is building on a greenbuild site. The pre-development condition of the site is an LZ1. However, after the project is developed, there will be over 1m sq.

Our project has issues with the lighting on one of the facedes that exceeds the LPDs per ASHRAE.

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