In-pool stairs shall be equipped with not less than one handrail or handhold that serves all treads with a height of not less than 20 inches (508 mm) above the platform or uppermost tread, whichever is higher.
Where handrails are removable, they shall be installed such that they cannot be removed without the use of tools.
The leading edge of handrails shall be 18 inches (457 mm) ± 3 inches (± 76 mm), horizontally from the vertical plane of the bottom riser.
The outside diameter of handrails or handholds shall be not less than 11/4 inches (32 mm) and not greater than 2 inches (51 mm).
Treads shall have an unobstructed horizontal depth of not less than 10 inches (254 mm) at all points and an unobstructed surface area of not less than 240 square inches (154 838 mm2).
Risers shall have a uniform height of not less than 7 inches (178 mm) and not greater than 12 inches (305 mm).
- The height of the bottom riser can vary from the other risers.
- The vertical distance from the pool coping, deck, or step surface to the uppermost tread shall be not less than 7 inches (178 mm), not greater than 12 inches (305 mm) and uniform with other riser heights.