LEEDuser Basic Member 100 thumbs up March 3, 2022- 5:25 pm Sara, I think your answer is in this thread: https://leeduser.buildinggreen.com/forum/interior-lighting-control look for the recent message from...

Dear experts,

Regarding the...

Hello,

When using the UGR calculation method for the interior lighting credit, is the <19 rating in regards to the average UGR in the space, or in regards to the highest UGR at any...

Hello!

Has anyone succesfully certified a project under the Interior Lighting v4.1 - Surface Reflectivity requirements by documenting the interior finishes plan and the wall painting...

Dear All,

According to LEED credit library, For at least 90% of regularly occupied spaces, use interior finishes with a surface reflectance greater or equal to 80% for ceilings...

I have 10 lighting fixtures in an office space, and the architect is providing 3 on-off switches:

- switch 1, on-off 5 lightings (50% of lighting numbers)

- switch 2, on-off 2...

I was wondering if anyone was able to comply with the multi-level control requirements in an open office space, realistically speaking, I am not sure how an office space with over 100 people for...

Dear All, 

We are looking for a clarification regarding the EQ credit "Interior Lighting" – of LEED V4.1, about option “GLARE CONTROL”.

Do we have the possibility of combining the...

"For all regularly occupied spaces, meet one of the following requirements:  

1. Use light fixtures with a luminance of less than 7,000 candela per square meter (cd/m)2 between...

Hello,

UGR can be calculated at different angles (30°, 45°, ... from nadir).

At what angle should the UGR be reported for credit compliance?

Thank you,