Florida Building Code Practice Exam

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In terms of attic access, what is the minimum size needed when the clear height exceeds 30 inches?

18" x 24"
20" x 30"
30" x 40"
22" x 36"

The correct answer is: 20" x 30"

The correct answer is based on the requirements set forth in the Florida Building Code regarding attic access dimensions. When the clear height of the attic space exceeds 30 inches, the minimum access opening must be sufficiently large to allow safe entry and maneuverability. The 20" x 30" size is specified because it strikes a balance between providing enough space for a person to access the attic and the practical requirements of installation and structural support. This size ensures that maintenance, inspection, and any necessary repairs can be performed without excessive difficulty, while also adhering to safety standards. The other sizes, while possibly meeting certain criteria, do not align with the specific minimum requirement established for clear height above 30 inches in the attic.