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Note: This document or portion of document references a state or local code that is stricter than the 2010 ADA Standards requires.

11B-405.5 Clear width.

The clear width of a ramp run shall be 48 inches (1219 mm) minimum.

Exceptions:

1.      Within employee work areas, the required clear width of ramps that are a part of common use circulation paths shall be permitted to be decreased by work area equipment provided that the decrease is essential to the function of the work being performed.

2.      Handrails may project into the required clear width of the ramp at each side 3½ inches (89 mm) maximum at the handrail height.

3.      The clear width of ramps in residential uses serving an occupant load of fifty or less shall be 36 inches (914 mm) minimum between handrails.

[2010 ADAS] 405.5 Clear Width.  The clear width of a ramp run and, where handrails are provided, the clear width between handrails shall be 36 inches (915 mm) minimum.

EXCEPTION:  Within employee work areas, the required clear width of ramps that are a part of common use circulation paths shall be permitted to be decreased by work area equipment provided that the decrease is essential to the function of the work being performed.

ETA Editor's Note

2013 CBC is more stringent regarding ramp width than 2010 ADAS.

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