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Minimum light levels are now required

NC-v4 SSc6: Light Pollution Reduction
posted by Bill Swanson on Jan 20, 2017, 3:15 pm

This has come up on a project and we lost on appeal so I'm sharing this information with everyone.

Any area being claimed in the wattage baseline calculation must be illuminated to a...

Scoreboard as Signage?

NC-v4 SSc6: Light Pollution Reduction
posted by Laura Marchand on Jun 29, 2016, 8:47 pm

Does anyone have experience on whether a scoreboard for a sports stadium would fall into "internally illuminated exterior signage"? I am assuming no, because the scoreboard is within the stadium...

Illuminated area

NC-v4 SSc6: Light Pollution Reduction
posted by Bill Swanson on Jun 24, 2016, 11:53 am

I just had this come up on a project. The reviewer will only allow me to count hardscape area for the...

Interior Uplighting

NC-v4 SSc6: Light Pollution Reduction
posted by Michele Helou on Jun 7, 2016, 1:10 pm

Am I missing something or does v4 no longer have any requirement on interior lighting that has a significant uplighting component?

We have an interior atrium that will have this issue -...

Exemptions

NC-v4 SSc6: Light Pollution Reduction
posted by Heather Holdridge on May 13, 2016, 11:37 pm

I am working on a project with exterior fixtures that are not illuminating a building facade but more artwork/ sculptural landscape screenwork. I see that there are exemptions for lighting for...

n/a

NC-v4 SSc6: Light Pollution Reduction
posted by Heather Holdridge on Nov 12, 2015, 11:37 am

If I understand the LEED requirements for exterior lighting, we will be following the BUG guidelines for all lighting that will remain on from sunset to sunrise. For the building and landscape...

Lighting Zones

NC-v4 SSc6: Light Pollution Reduction
posted by Linda Anderson on Jun 15, 2015, 10:42 am

Who determines the exterior lighting zone LZ0-LZ4 for a LEED project? I am working on a project in a state that isn't mine and I don't know much about the city. My only info is what I see on...

Walkway versus public street

NC-v4 SSc6: Light Pollution Reduction
posted by Jens Apel on Jun 1, 2015, 7:45 am

This may be an academic question but I am unsure on the wording. The modification of the lighting boundary depends on adjacency to a walkway or a public street. What if there is a walkway in...

Specialized transportation lighting

NC-v4 SSc6: Light Pollution Reduction
posted by Vince Briones on May 27, 2015, 3:51 pm

Hi all,

Is "Specialized transportation signal, directional & marker lighting" subject to the interior lit exterior sign...

definition "nighttime hours"

NC-v4 SSc6: Light Pollution Reduction
posted by Jens Apel on Apr 8, 2015, 8:53 am

Is there a definition of nightime hours for internally illuminated signage? I would assume midnight to 6 AM as in the excemption for facades but I can't find any statement.