If a light is under an overhang, is its U rating always 0?
What’s the difference between the Project Boundary and the Lighting Boundary?
Is existing lighting required to be included in the calculations? What are the exceptions?
Does athletic field lighting need to be included in this credit?
Forum discussion
NC-v4 SSc6:Light pollution reduction
Would appreciate very much if anyone can clarify that the maximum allowed percentage of total lumens emitted above horizontal (by lighting zone) is applied to each luminaire or the sum of all lumens from all luminaires inside the project boundary. Thanks a lot in advance!
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