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NC-v4 SSc6:Light pollution reduction

Is lighting inside a facade or double skin considered as exterior lighting ?

Is lighting inside a facade or double skin considered as exterior lighting ?

The light fixtures are inside a double skin and illuminate the facade at level zero and therefore illuminate the adjacent walkway.

Can we consider that as interior lighting (it is indeed interior) and still pursue this credit without taking these luminaires into account in our calculation ?

 

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Bill Swanson
Sr. Electrical Engineer
Integrated Design Solutions
LEEDuser Expert
516 thumbs up

Tue, 11/07/2017 - 18:41

The USGBC Glossary building exterior - a structure’s primary and secondary weatherproofing system, including waterproofing membranes and air- and water-resistant barrier materials, and all building elements outside that system building interior - everything inside a structure’s weatherproofing membrane   For other credits (VOC related) the design team should have already defined where the line is for what is inside, and what is outside of the building.  Use the same line for this credit.

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