During plan review, you notice that the architectural drawings show a doorway width of 3'-0" but the door schedule lists a 2'-8" door. The specifications require ADA compliance. What is the issue?
Correct Answer
B) Neither meets ADA requirements for accessible doors
ADA requires a minimum 32-inch clear opening width. A 2'-8" (32-inch) door in a 3'-0" (36-inch) opening would provide less than 32 inches clear width when accounting for door thickness and hardware, failing to meet ADA requirements.
Why This Is the Correct Answer
CORRECT_ANSWER - ADA requires a minimum 32-inch clear opening width for accessible doors. A 2'-8" (32-inch) door provides the nominal door width, but when installed, the actual clear opening is reduced by door thickness (typically 1.75 inches), hinges, and door hardware. This results in a clear opening of approximately 30.25 inches, which fails to meet the 32-inch ADA requirement. Both the door size and opening width shown are inadequate for ADA compliance.
Why the Other Options Are Wrong
Option A: The architectural drawing is correct for rough opening
A 3'-0" rough opening is standard for a 2'-8" door, but this combination does not provide the required 32-inch clear opening width for ADA compliance. The architectural drawing shows an opening that's too small for accessibility requirements.
Option D: Both are acceptable depending on door type
Neither option is acceptable for ADA-compliant doors regardless of door type. When ADA compliance is required, the clear opening width must be at least 32 inches, which neither the 2'-8" door nor 3'-0" opening can provide when accounting for door thickness and hardware.
Memory Technique
Remember '32 CLEAR' - ADA needs 32 inches of clear opening, not just door width. Think 'Clear the way for accessibility' - always subtract door thickness from nominal width.
Reference Hint
2010 ADA Standards for Accessible Design, Section 404.2.3 (Clear Width) and Florida Building Code Chapter 11 (Accessibility)
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