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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...

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...

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,

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...

Can anyone confirm if v4.1 requires color rendering / color fidelity index requirements to be met to achieve the Lighting Control option?   LEEDuser does not state this, but the credit language...

Are decorative lighting fixtures such as chandeliers, wall sconces, and table lamps, that are within regularly occupied space included in the requirements to comply with luminance of less than 2,...

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...

Hello all,

Here is a actual problem I have encountered. What will happen if the lighting consultant has provided the necessary documents that comply with all the requirements for the...