Stairway Handrails Requirements in the ADA Standards (§504)

Stairway Handrails Requirements in the ADA Standards (§504)

Stairway handrail requirements. Notes: Handrails are required on both sides and must be continuous within the full length of each stair flight. 12” min. linear top extension; 34” - 38” (consistent height) above nosing to top of gripping surface; linear bottom extension 1 tread depth min.; Top and bottom extensions must return to wall, guard, or floor (min. length measured to the start of the return radius); Inside handrails at switchback/ dogleg stairs must be continuous (extension not required); Top and sides of gripping surface cannot be obstructed; bottom can be obstructed up to 20% of the length; In alterations, full handrail extensions are not required where they would project hazardously into circulation paths (§505.10, Ex. 3).

Protruding Objects

The ADA Standards address hazards posed by protruding objects, such as standpipe valves, along circulation paths, including stairways and inaccessible routes (§204). The standards limit the protrusion of objects with leading edges that are above 27” high and no more than 80” high. Such objects are limited to a 4” protrusion into circulation paths, but a 4 ½” protrusion is allowed for handrails. Protrusions up to 12” are specified for objects mounted on posts or pylons (§307).

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