2013 California Standards for Accessible Design Pocket Guide
11B-405.9.1 Reserved.
[2010 ADAS] 405.9.1 Extended Floor or Ground Surface. The floor or ground surface of the ramp run or landing shall extend 12 inches (305 mm) minimum beyond the inside face of a handrail complying with 505.
[2010 ADAS] Advisory 405.9.1 Extended Floor or Ground Surface. The extended surface prevents wheelchair casters and crutch tips from slipping off the ramp surface.
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