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property line vs road

NC-2009 SSc8:Light Pollution Reduction
posted by  Erin Holdenried  on 

I have a couple projects where the property line falls a few feet from reaching the bordering roadway. In these cases, can the lighting boundary extend to the center of the road?

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Allowance calculation with overlapping categories

NC-2009 SSc8:Light Pollution Reduction
posted by  Jens Apel  on 

These questions are in regard to exterior lighting power calculation. I am fine with the general approach and calculation.

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Historic building facade highlighting 24/7

NC-2009 SSc8:Light Pollution Reduction
posted by  Alfred Servodidio  on 

Our project is an historic building in the flatiron district in NYC.

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EBOM Compliance Path

NC-2009 SSc8:Light Pollution Reduction
posted by  Jason Cocek  on 

Does anyone know if the Exterior Lighting Option 3 under the EBOM Rating System (nighttime illumination measurements) can be used as an alternative compliance path for the exterior portion of the N

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exterior lighting

NC-2009 SSc8:Light Pollution Reduction
posted by  Joshua ADY  on 

Hi all, can you please tell me which is the best suitable software to demonstrate the compliance for horizontal and vertical footcandles requirements to USGBC for Light Pollution Reduction credit.

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Exterior Lighting - Driveways

NC-2009 SSc8:Light Pollution Reduction
posted by  Ahmed Mosa  on 

hi everyone, I cant seem to find any information about the lighting on driveways. The only reference to roads I can find is under “uncovered parking areas, parking lots and "drives” which is 1.6 W

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How to Document Straight Down Fixture Lumens

NC-2009 SSc8:Light Pollution Reduction
posted by  Omer Moltay  on 

We have to document that, for LZ2, max. 2% of initial fixture lumens are emitted at an angle of 90 degrees of more from nadir. In your experience how would you achieve this?

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Tree-mounted luminaires

NC-2009 SSc8:Light Pollution Reduction
posted by  Heather Holdridge  on 

We are working on a rural site which will be classified as LZ1, so will not be allowed any light to be emitted above 90 degrees from nadir.

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lighting pollution simulation software

NC-2009 SSc8:Light Pollution Reduction
posted by  qi zhang  on 

I plan to get the this credit through simulation. I heard that DIALUX seems can get it, but I am not so sure. Please help me and tell me if I plan to get this credit though simuation, Which softwar

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Building Facade Lighting

NC-2009 SSc8:Light Pollution Reduction
posted by  Julien Daclin  on 

We are calculating the Exterior Lighting Power Density on a project that has building facade lighting on each facade.

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