Discussion
A measured illuminance of 750 lux where the standard requires 300 indicates
Answer: A
Correct answer: over-lighting, and an opportunity to remove or dim luminaires
Two and a half times the required illuminance is energy spent on light nobody needs, and it can be recovered by removing lamps, dimming, or reducing the maintained level at the next relamping. Note that a design allows some margin for depreciation, but not a margin of this size.
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