LEED AP Building Design Construction LEED AP BDC · Free Practice Question Medium
Question 31
To achieve option 2: lighting quality under IEQ Credit Interior lighting, Projects are required to implement 4 strategies. Which of the following is not one of the eligible strategies?
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A
Use direct-only overhead lighting for 25% or less of the total connected lighting load for all regularly occupied spaces.
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B
For at least 75% of the regularly occupied floor area, meet or exceed the following thresholds for area weighted average surface reflectance: 60% for ceilings, 85% for walls, and 50% for floors.
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C
For at least 75% of the total connected lighting load, use light sources that have a rated life (or L70 for LED sources) of at least 24,000 hours (at 3-hour per start, if applicable).
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D
For the entire project, use light sources with a CRI of 80 or higher. Exceptions include lamps or fixtures specifically designed to provide colored lighting for effect, site lighting, or other special use.
Reveal correct answer
Correct answer: B
Explanation
Option 3 is wrong. The right strategy is: For at least 90% of the regularly occupied floor area, meet or exceed the following thresholds for areaweighted average surface reflectance: 85% for ceilings, 60% for walls, and 25% for floors. Reference: LEED BD+C Reference guide - page: 712Discussion
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