Log in
Forum » NC-v4.1 EQc6
Topic

UGR calculation

NC-v4.1 EQc6: Interior lighting
posted by Gustavo De las Heras Izquierdo on Aug 14, 2023, 12:34 pm

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,

Last reply: Denise Luikart, Aug 25, 2023, 8:28 am

Do we have the possibility of combining the two requirements between 2 options of Glare?

NC-v4.1 EQc6: Interior lighting
posted by Sara BENLOUBA on Aug 7, 2023, 5:45 am

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...

Last reply: Umesh Atre, Aug 18, 2023, 10:36 am

Different strategies in different rooms

NC-v4.1 EQc6: Interior lighting
posted by An Marc on Sep 21, 2021, 4:04 am

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...

Last reply: Emily Purcell, Jan 26, 2023, 3:57 pm

Interior Lighting Control

NC-v4.1 EQc6: Interior lighting
posted by Jennifer Atherton on May 19, 2021, 11:57 am

What is the definition of "occupant spaces" ? 

Last reply: Andrea Vickers, Oct 28, 2022, 3:01 pm

Lighting control + color rendering requirements for v4.1

NC-v4.1 EQc6: Interior lighting
posted by Ashleigh Fischer on Aug 11, 2022, 2:29 pm

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...

Last reply: emily reese moody, Aug 14, 2022, 1:07 pm

Glare Control for Regularly Occupied Spaces

NC-v4.1 EQc6: Interior lighting
posted by Lauren Kottis on Feb 7, 2022, 9:58 am

"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...

Last reply: Karen Joslin, Aug 12, 2022, 3:42 pm

Decorative lighting fixtures

NC-v4.1 EQc6: Interior lighting
posted by Ellis John Mandia on Aug 9, 2022, 6:32 am

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,...

Last reply: Glenn Heinmiller, Aug 9, 2022, 11:50 am

Multilevel lighting control

NC-v4.1 EQc6: Interior lighting
posted by Michael on Jun 26, 2022, 11:55 pm

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...

Last reply: Michael, Jun 27, 2022, 11:16 pm

Compliance of Lighting fixtures

NC-v4.1 EQc6: Interior lighting
posted by Ellis John Mandia on May 23, 2022, 1:52 am

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...

How to Calculate Surface Reflectivity

NC-v4.1 EQc6: Interior lighting
posted by Tim Murray on Oct 26, 2021, 4:25 pm

In LEEDv4, the Surface Reflectivity criteria was measured by using "area-weighted averages", thus the Interior LIghting Calculator asked for areas of walls and ceilings. One big compliant area...

Last reply: Federica Ariaudo, Apr 8, 2022, 12:23 pm