We have to document that, for LZ2, max. 2% of initial fixture lumens are emitted at an angle of 90 degrees of more from nadir.

In your experience how would you achieve this? We have the...

We have a 2 m. high brick wall running all around out site. This wall belongs to the property so it is within the site boundary and the site boundary runs exactly along the outside surface of the...

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 includes a number of...

I have been working on a 1000-person lodge which is shooting for LEED Silver. One of the issues we have encountered with the Light Pollution credit is the unique mix of commercial and residential...

I'm working on a project currently that requires exterior security cameras. During a review process it came up that our current Light Pollution compliant exterior lighting design might not...

Hi,
I am working on a building that has commercial activities on the street level floor and offices on the rest of the floors, the project is places in Lz4.. I am now trying to figure out...

Can a project boundary extend into a lake? I have a Department of Natural Resources building located on a lakefront. They have a public boat landing on site. I must object to leaving the dock and...

I believe there is an error in the Sample...

This may stretch a bit outside the LEEDuser realm, but......

I received a comment on a past project, where the reviewer wanted verification that the project was actually a LZ3 as defined...

Hi, gang,
One of our lighting designers is very frustrated with the LEED requirements for...