Under ADA Standards for Accessible Design (Section 404.2.4), the push side of a door with both acloser and latch requires a minimum clear width of 48" (1219 mm) and a clear depth of 18" (457 mm) from the latch side to any obstruction (e.g., a vending machine) to allow wheelchair maneuverability. This applies to accessible routes in employee breakrooms, which must comply with accessibility codes. Option A (12") is insufficient for maneuvering. Option C (24") exceeds the minimum, making B (18") the correct minimum per ADA.
Verified Answer from Official Source:B - 18" [457 mm]
"For doors with a closer and latch on the push side, a minimum of 18 inches clear depth is required from the latch side to any obstruction per ADA standards." (NCIDQ IDPX Study Guide, Section 1: Codes and Standards)
Explanation from Official Source:The NCIDQ references ADA requirements to ensure designers provide accessible spaces, with 18" being the minimum to accommodate wheelchair users on the push side of such doors.
Objectives:
Apply accessibility standards to interior spaces (IDPX Objective 1.6).
[References:NCIDQ IDPX Study Guide, Chapter 1: Codes and Standards; ADA Section 404.2.4., ]
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