9.8.8.1.

(1) Except as provided in Sentences (2) and (3), every surface to which access is provided for other than maintenance purposes, including but not limited to flights of steps and ramps, exterior landings, porches, balconies, mezzanines, galleries and raised walkways, shall be protected by a guard on each side that is not protected by a wall for the length where,

(a) there is a difference in elevation of more than 600 mm between the walking surface and the adjacent surface, or

(b) the adjacent surface within 1.2 m from the walking surface has a slope of more than 1 in 2.

(2) Guards are not required,

(a) at loading docks,

(b) at floor pits in repair garages, or

(c) where access is provided for maintenance purposes only.

(3) When an interior stair has more than 2 risers or an interior ramp rises more than 400 mm, the sides of the stair or ramp and the landing or floor level around the stairwell or ramp shall be protected by a guard on each side that is not protected by a wall.