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BUG ratings for recessed down lights

NC-v4 SSc6: Light Pollution Reduction
posted by Brightworks Sustainability on Nov 3, 2015, 11:27 am

Hi Bill,

Do you know how to account for exterior lighting that does not have published BUG ratings? We are trying to get this information from the architect but he says that most of the...

Last reply: Alexandra Pop, Mar 29, 2025, 4:06 am

Exemption from uplight and light Trespass requirements- government-mandated roadway lighting applicable for docking area?

NC-v4 SSc6: Light Pollution Reduction
posted by Lenka Matějíčková on Mar 22, 2025, 11:45 am

Hi All,

We are working on an industrial facility (automotive plant). The area around the lorries loading/unloading docking stations is being lit by pole lighting. The lighting levels in...

Light trespass to a "welcoming neighbor"

NC-v4 SSc6: Light Pollution Reduction
posted by John Mlade on Nov 7, 2024, 10:08 am

Hi all, hoping you can provide some insight into this scenario.

We are redeveloping a heavy industry site in an urban setting into a logistics warehouse building. Our...

Last reply: Dave Hubka, Nov 7, 2024, 1:46 pm

luminaire mounting and partially enclosed spaces

NC-v4 SSc6: Light Pollution Reduction
posted by Esteban Martinez on Sep 25, 2024, 5:32 pm

Hello,

I am working on a 10-story office LZ2 project looking for...

Last reply: Glenn Heinmiller, Sep 25, 2024, 5:51 pm

Lighting Boundary Modification- Light Trespass: Option 1. BUG Rating Method Only?

NC-v4 SSc6: Light Pollution Reduction
posted by Lenka Matějíčková on Aug 30, 2023, 2:30 pm

The LEED manual states that, under certain conditions, the lighting boundary can be modified (e.g.when the property line is adjacent to a public street, alley, or transit corridor, the lighting...

Last reply: Afogreen Build, Jul 10, 2024, 9:15 pm

Uplight under semi-opaque canopy

NC-v4 SSc6: Light Pollution Reduction
posted by Emily Purcell on Jul 27, 2020, 10:50 am

Hi,

I'm working on a project that is evaluating some different facade lighting and canopy options. We are in LZ2, so we can't use the facade lighting uplight exemption. We are using the...

Last reply: Bill Swanson, Jul 2, 2024, 12:18 pm

Existing Project with New Addition

NC-v4 SSc6: Light Pollution Reduction
posted by Michelle Rosenberger on Oct 31, 2023, 11:50 am

We are adding a Natatorium addition to an existing YMCA. In conjunction with this work, there will be new exterior lighting installed. There is already considerable exterior site lighting serving...

Last reply: Afogreen Build, May 2, 2024, 9:05 pm

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...

Last reply: Afogreen Build, Mar 14, 2024, 2:24 am

Lighting Zone for a Terminal Building

NC-v4 SSc6: Light Pollution Reduction
posted by Gustavo De las Heras Izquierdo on Mar 15, 2023, 8:46 pm

Hello,

We are certifying the Terminal Building in a new international airport. We wonder how to categorize the project, since lighting zones are not well defined. A Terminal Building needs...

Last reply: Afogreen Build, Mar 7, 2024, 3:33 am

Is string lighting exempt from the Light Trespass/Uplight requirements.

NC-v4 SSc6: Light Pollution Reduction
posted by Summer Gorder on Feb 2, 2024, 7:04 pm

Hi, we have a project where they are using string lighting to light a pathway. Is string lighting exempt from the Light Trespass/Uplight requirements due to the low wattage based on ASHRAE or...

Last reply: Glenn Heinmiller, Feb 3, 2024, 4:37 pm