S-2.1, r. 4 - Safety Code for the construction industry
3.16.4. Masonry materials: Masonry units shall be stacked:
(a) on planks, a platform or other level base;
(b) in layers covering the entire area of the stacks;
(c) in such a way that the height of the vertical face of the stacks does not exceed 1.8 m;
(d) in tiers, when the height of the stockpiling exceeds 1.8 m;
(e) with wooden transversal supports between the layers to prevent the pile from crumbling, if the height of the pile exceeds 1.8 mm;
(f) bound together, if necessary, so as to ensure the stability thereof.
R.R.Q., 1981, c. S-2.1, r. 6, s. 3.16.7; O.C. 329-94, s. 66.