Chapter 11B, Division 4 (Accessible Routes)

2019 CBC Revisions:
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Chapter 11B, Division 4 (Accessible Routes) 

Edge Protection at Ramps

11B-405.9.2 Curb or barrier. A curb,2 inches (51 mm) high minimum, or barrier shall be provided that prevents the passage of a 4 inch (102 mm) diameter sphere, where any portion of the sphere is within 4 inches (102 mm) of the finish floor or ground surface. To prevent wheel entrapment, the curb or barrier shall provide a continuous and uninterrupted barrier along the length of the ramp.

Removes a California amendment carried over from the pre-ADA Standards format. The 2-inch minimum curb height does not comply with other requirements for the height of the edge protection element at ramps.

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