S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

Full text
141. A building may form an integral part of a building covering the surface opening of an underground mine provided that:
(1)  (paragraph revoked);
(2)  each part of the integrated building is of non-combustible construction and each part of the building covering the surface opening of the underground mine is constructed with non-combustible materials;
(3)  the part of the building covering the surface opening of the underground mine is separated from the rest of the building by a wall having a fire resistance of at least one hour and is constructed with non-combustible materials.
O.C. 213-93, s. 141; O.C. 1326-95, s. 28.