LEED AP with Operations and Maintenance (O+M ) Practice Exam

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What minimum initial solar reflectance (SR) value is required for a low-sloped structure to earn the heat island reduction credit?

The correct answer is: 82

For a low-sloped structure to earn the heat island reduction credit, the minimum initial solar reflectance (SR) value that is required is 82. This value is significant because high solar reflectance helps to reduce the amount of heat absorbed by the building and the surrounding areas, contributing to a lower urban heat island effect. A low-sloped structure with a solar reflectance of 82 or higher will reflect more sunlight, thereby reducing the amount of heat that contributes to warming the surrounding environment. This is particularly important in urban areas where buildings and surfaces can lead to increased temperatures. In contrast, the other values, while representing different thresholds, do not meet the criteria set forth for earning the credit, which specifically requires the initial SR to be 82 or greater for low-sloped roofs.