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
CS-v4 SSc6:Light pollution reduction
Hello, in ש project we are working on, there are lighting fixtures under the handrails that illuminate downwards towards a staircase. They actually exist to prevent humans from stumbling on the stairs. The lighting area is MLO LZ3. Is it possible to exclude them in any way from the illuminance calculations?
Are these lighting fixtures and be defined as directional or marker lighting?
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Thank you Bill,
In addition to the previous question - the project mentioned above has a playground lit by lighting fixtures around it. We want to check with you whether these lighting fixtures can be considered as landscape fixtures so they could be excluded from the lighting calculations if they are switched off between 00:00-06:00.
Thanks in advance
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The handrail lights need to be counted in the illuminance calculations.