Architectural · A-4CDK3

Stair and Ramp Handrail Extensions

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Handrail extensions at the top and bottom of stairs and ramps require a minimum twelve-inch horizontal extension past the top riser or end of the ramp run. At bottom stair extensions, the horizontal length equals one tread depth beyond the last riser nose. Each handrail extension terminates by returning to a wall, guard, or landing, or continues directly to an adjacent handrail.

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