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 experts,

Regarding the...

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,

Our project (NCv4.1) consists of production area (regulary occupied) and office area.

Can we applay strategies 1(Glare Control),2(Color Rendering),3(Lighting Control) for production area...

What is the definition of "occupant spaces" ?