The Ontario Building Code | Guards for Floors and Ramps in Garages

9.8.8.4. Guards for floors and Ramps in garages

(1) Except for floors of garages referred to in Section 9.35., where garage floors or ramps are 600 mm or more above the adjacent ground or floor level, every opening through a garage floor and the perimeter of floors and ramps that have no exterior walls shall be provided with,

(a) a continuous curb not less than 150 mm in height, and

(b) a guard not less than 1 070 mm above the floor level.

(2) Vehicle guardrails shall be designed for a concentrated horizontal load of 22 kN applied outward at any point 500 mm above the floor surface.