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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

Project vs Lighting boundary

NC-v4 SSc6: Light Pollution Reduction
posted by Bill Swanson on May 17, 2017, 10:10 am

There appears to still be confusion on the differences between the Project Boundary and the Lighting Boundary.

The Project boundary is the same as shown in every other credit. All...

Last reply: Kelli Kimura, Jan 12, 2024, 4:20 pm

Does this credit only apply to lighting fixtures installed on masts with mounting heights?

NC-v4 SSc6: Light Pollution Reduction
posted by Sara BENLOUBA on Nov 27, 2023, 8:16 am

Does this credit only apply to lighting fixtures installed on masts with mounting heights  ?

So, consequently, could we exclude this 2 kinds of lighting fixtures:

1/ recessed  ...

Last reply: Devendra Chaughule, Nov 29, 2023, 12:40 am

BUG Method- Recessed Ceiling Exterior Downlights

NC-v4 SSc6: Light Pollution Reduction
posted by Edgar Arevalo on Nov 7, 2023, 12:34 pm

There is project where the only exterior lighting is two ceiling recessed downlighting fixtures installed at the outdoor canopy of the main entrance.  According to the BUG method, B (backlight) ...

Last reply: Glenn Heinmiller, Nov 7, 2023, 1:54 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: Glenn Heinmiller, Oct 31, 2023, 12:56 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: Glenn Heinmiller, Sep 12, 2023, 10:56 am

Government-mandated roadway lighting exemption- definition

NC-v4 SSc6: Light Pollution Reduction
posted by Lenka Matějíčková on Aug 24, 2023, 6:51 am

Working on a car manufacturing plant, we would like to explore if roadway lighting within the area of the plant can be extempt from the assesment.

By the local code, the roadway lighting...

Last reply: Lenka Matějíčková, Aug 25, 2023, 7:50 am

Lighting Boundary modification- Railway track

NC-v4 SSc6: Light Pollution Reduction
posted by Lenka Matějíčková on Aug 24, 2023, 6:01 am

We have a major industrial development (car manufacturing plant) project.

There is a railway track going along the north perimeter of the factory. In the LEED manual its being said that:...

Last reply: Lenka Matějíčková, Aug 25, 2023, 7:49 am

Lighting Zone determination for an industrial project

NC-v4 SSc6: Light Pollution Reduction
posted by Lenka Matějíčková on Aug 18, 2023, 5:33 am

Hi, 

We have a major industrial development, being built on undeveloped land adjacent to a village/small rural town. For the village, LZ-1 is assumed. Now, in the LEEDv4 manual is stated,...

Last reply: Lenka Matějíčková, Aug 24, 2023, 4:16 am

Light pollution credit

NC-v4 SSc6: Light Pollution Reduction
posted by Christina Skandali on Jun 1, 2023, 9:41 am

Hello! 

The questions refer to a new office buiding according to LEED v4 version.

The building which is situated in a LZ2 area and the lighting boundaries are very close to the...

Last reply: Bill Swanson, Jul 24, 2023, 8:38 am