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LZ3 : horizontal and vertical lux

NC-2009 SSc8:Light pollution reduction
posted by  Nicolas MOLLE  on 

I'm note sure to understand the fourth demand of this credit.

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AAA Ballpark field lighting

NC-2009 SSc8:Light pollution reduction
posted by  renee jimenez  on 

I am working on a AAA Ballpark project. My understanding is that the lighting power density for the external floodlighting is required to comply with a figure of 2.15 W/m2 as it’s been classified

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light trespass vs hardscape

NC-2009 SSc8:Light pollution reduction
posted by  Carrie Laurendine  on 

project is along an arterial road with lots of city lights.

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ACP for light pollution reduction

NC-2009 SSc8:Light pollution reduction
posted by  Magda Aghababyan  on 

Dear all, In a situation where there are some spot lamps for emergency maintenance that can emit upward lights but used only for max.

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Demonstrating LPD Compliance

NC-2009 SSc8:Light pollution reduction
posted by  Dean Ralphs  on 

Can I use the ASHRAE table and methodology of demonstrating LPD compliance?

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Automatic Shading Devices - 2nd attempt

NC-2009 SSc8:Light pollution reduction
posted by  Ryan Kurlbaum  on 

I was still hoping for an answer to the following regarding Automatic Shading Devices: This credit asks for uploads of product specifications, location plan, and riser diagram for automatic shadin

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initial lumens

NC-2009 SSc8:Light pollution reduction
posted by  paul martin  on 

I have a dumb question - when they ask for Initial fixture lumens per lumenaire, do they want fixture output lumens or the lamp lumens? Big difference in the percentage calc.

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Pathway lighting extends beyond LEED boundary

NC-2009 SSc8:Light pollution reduction
posted by  Anya Fiechtl  on 

We are trying to determine how best to treat a pathway that extends beyond our LEED project boundary.

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Facade Lighting

NC-2009 SSc8:Light pollution reduction
posted by  sompoche sirichote  on 

We are going to provide the LED strip along the vertical line of the building facade. If we assume that the 50% of their lumen is above 90 degree from nadir then our bldg.

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Campus Boundary allowed?

NC-2009 SSc8:Light pollution reduction
posted by  Jorng-ren Chern  on 

I have a project building located on a campus site, which consists 3 buildings from the same owner, but only one of the buildings is seeking for LEED certification.

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