LEED AP Building Design and Construction (BD+C) Practice Exam

When using the calculation method for light pollution reduction, what is the maximum distance allowed between calculation points?

1. 3 feet

2. 5 feet

3. 10 feet

4. 15 feet

The correct answer is: 5 feet

The correct answer is based on established guidelines for calculating light pollution reduction in the context of the LEED BD+C certification. When determining the maximum distance allowed between calculation points, the standard is set at 5 feet. This distance enables a detailed and accurate assessment of the light spill and skyglow effects generated by a project. Using 5 feet as the maximum spacing for calculation points ensures that the analysis captures the potential distribution of light levels across the site and surrounding areas. It allows for better evaluation of how individual fixtures contribute to overall light pollution, thereby supporting effective design strategies aimed at minimizing impact on the nighttime environment. Additionally, adhering to this standard is crucial for compliance with LEED requirements, where precision in calculations plays a vital role in achieving certification credits. Distances shorter than 5 feet may lead to redundant calculations, while larger intervals could miss critical variations in light levels. Thus, maintaining the 5-foot standard strikes the right balance between accuracy and efficiency in assessing light pollution control measures for any given project.