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Indoor lighting and working between 11 pm and 5 am.

NC-2009 SSc8:Light Pollution Reduction
posted by  Lise Dannesboe  on 

We are working with an office building which has requirements for providing working stations between 11 pm and 5 am.

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Definition direct line of sight

NC-2009 SSc8:Light Pollution Reduction
posted by  Lise Dannesboe  on 

I tried to fiend a definition of "Shield envelope openings that have a direct line of sight to non-emergency luminaires".

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LEED SS 8 credit language...

NC-2009 SSc8:Light Pollution Reduction
posted by  Rick Alfandre  on 

Regarding the interior light requirements: We have an office building that is not intended to be in use during the 11pm to 5am period, therefore we will have automated controls w/ manual overide an

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Individual Lighting Power Allowances for facades

NC-2009 SSc8:Light Pollution Reduction
posted by  Lise Dannesboe  on 

Hej! Our building is in LZ3 and Lighting Power Allowance for facades is 0.15W/ft2 for each illuminated wall .

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city owned lights

NC-2009 SSc8:Light Pollution Reduction
posted by  Saju Varghese  on 

city owned lights are not included in our photometric calculations, but how in reality can somebody check that the lights are matching our calculations if the city-owned lights are there anyways?

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"Lighting Boundary" definition and use

NC-2009 SSc8:Light Pollution Reduction
posted by  Anya Fiechtl  on 

LEED interpretation 10236 (http://www.usgbc.org/leed-interpretations?keys=10236&=Search#) seems to indicate that the lighting boundary is a modification of the project boundary (e.g.

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Method of Calculating Exterior Lighting Power Density

NC-2009 SSc8:Light Pollution Reduction
posted by  SSN Energy Model  on 

Could any one tell me, the method of LPD Calc for exterior areas. How can i take exterior area correctly and without getting review comment.. Pl advise

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Wattage Difference

NC-2009 SSc8:Light Pollution Reduction
posted by  SSN Energy Model  on 

We have received IES file for one of our lighting simulation project.

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Site lumen calculation_Historical building

NC-2009 SSc8:Light Pollution Reduction
posted by  Serena Penasa  on 

Good morning, I have a project in area LZ3 which is a listed historic building. The designer wants to insert uplights for exteriors lighting of facades. For ASHRAE 90.1 p.

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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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