11B-307.4 Vertical clearance

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

11B-307.4 Vertical clearance.

Vertical clearance shall be 80 inches (2032 mm) high minimum. Guardrails or other barriers shall be provided where the vertical clearance is less than 80 inches (2032 mm) high. The leading edge of such guardrail or barrier shall be located 27 inches (686 mm) maximum above the finish floor or ground.

Exception: Door closers and door stops shall be permitted to be 78 inches (1981 mm) minimum above the finish floor or ground.

A person using a long cane is shown approaching the sloped underside of a staircase. A portion of the area below the stairs in front of the person has a vertical clearance less than 80 inches. A railing 27 inches high maximum separates this space from the areas where a vertical clearance at or above 80 inches is maintained.

FIGURE 11B-307.4 VERTICAL CLEARANCE

11B-307.4.1 Guy braces.

Where a guy support is used within either the width of a circulation path or 24 inches maximum outside of a circulation path, a vertical guy brace, sidewalk guy or similar device shall be used to prevent a hazard or an overhead obstruction.

A person using a long cane is shown approaching a guy brace shown at 80" minimum above the floor.

FIGURE 11B-307.4.1 GUY BRACES

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2019 California Standards for Accessible Design Guide (effective January 1, 2020 with July 1, 2021 amendments)