(1) All steps shall be easily cleanable, impervious, and corrosion resistant.

(2) All steps shall be sloped to drain.

(3) All stairs shall have slip-resistant treads.

(4) The leading edge of all stairs shall be distinguished by a color contrasting with the color of the steps and pool floor. The contrasting accent must be at least one inch wide and must extend across the entire width of the stair.

(5) Stair treads shall have a minimum unobstructed horizontal width of ten inches.

(6) There shall be a uniform distance between stair steps with a seven inch minimum distance. Except for the bottom stair step, all step risers at the center line shall have a maximum uniform height of 12 inches. The bottom riser height shall be allowed to vary from the other risers as may be required to meet the floor, but shall not exceed 12 inches in height.