Accessible ramp edge protection assemblies detail the required dimensions for extended floor surfaces and curbs. Handrails flank the pathway, requiring a twelve-inch minimum extension beyond the ramp run. A four-inch minimum curb height provides edge protection along the drop-off.
4" min (a) Curb FIGURE 405.9.2 RAMP EDGE PROTECTION FIGURE 405.9.1 EXTENDED FLOOR SURFACE 12 min 12 min
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