S-2.1, r. 4 - Safety Code for the construction industry
3.16.6. Bagged materials: Bagged materials shall: (a) be stacked by cross-piling the bags to form layers piled not higher than 10 bags unless:
i. the bags are stored in reservoirs or enclosures; and
ii. the sides of the piles are supported by the walls of the reservoirs or enclosures; and
(b) be removed from the piles in such a way that the top of the pile remains horizontal.
R.R.Q., 1981, c. S-2.1, r. 6, s. 3.16.9; O.C. 329-94, s. 66.