If there is an existing lighting within the lighting boundary (in our case lighting of the parking lot), should this be included in the assessment, or not?

Can compliance with the following requirement also be documented by proving (through interior lighting contour drawings) that less than 10% or the initial fixture lumens will be transmitted through

We are building a hotel with LEED NC v2009.

I have a couple projects where the property line falls a few feet from reaching the bordering roadway. In these cases, can the lighting boundary extend to the center of the road?

These questions are in regard to exterior lighting power calculation. I am fine with the general approach and calculation.

Our project is an historic building in the flatiron district in NYC.

Hello, We are working on a project which is an industrial facility that will operate 24 hours, for the interior lighting in the offices area we will reduce the input power, in the manufacturing a

I've got a project trying to meet the requirements of LZ2 under this credit. the LEED boundary abuts the public rights-of-way at all points. It is essentially an island between streets.

Hello, in LZ3, no more than 5% of the total initial designed fixture lumens should be emitted at an angle of 90 degrees or higher from nadir (straight down).

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..