Tag: stair

ADA 101 – Bottom Extension at Stairs

ADA 101 info graphic with ADAS 2010 section 505.10.3 code text and example pictures 2010 ADAS 505.10.3 Bottom Handrail Extension at Stairs

At the bottom of a stair flight, handrails shall extend at the slope of the stair flight for a horizontal distance at least equal to one tread depth beyond the last riser nosing. Extension shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight.

Citation according to 2010 ADAS. Check your state’s accessibility laws. Some states such as California, Georgia and Florida have additional requirements and standards.

ADA 101 – Top Extension at Stairs

ADA 101 info graphic with ADAS 2010 section 505.10.2 code text and example pictures2010 ADAS 505.10.2 Top Extension at Stairs

At the top of a stair flight, handrails shall extend horizontally above the landing for 12 inches minimum beginning directly above the first riser nosing. Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight.

Citation according to 2010 ADAS. Check your state’s accessibility laws. Some states such as California, Georgia and Florida have additional requirements and standards.

ADA 101 – Stair Tread Nosings

ADA 101 info graphic with ADAS 2010 section 504.5 code text and example pictures 2010 ADAS 504.5 Stair Tread Nosings

The radius of curvature at the leading edge of the tread shall be 1/2 inch maximum. Nosings that project beyond risers shall have the underside of the leading edge curved or beveled. Risers shall be permitted to slope under the tread at an angle of 30 degrees maximum from vertical. The permitted projection of the nosing shall extend 1 1/2 inches maximum over the tread below.

Citation according to 2010 ADAS. Check your state’s accessibility laws. Some states such as California, Georgia and Florida have additional requirements and standards.

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