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.