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

Full text
319. A sinking crosshead shall:
(1)  have a safety device designed to hold back the bucket when the sinking crosshead is stuck;
(2)  be designed to prevent the bucket connected to it from swinging;
(3)  when it is used to raise or lower persons, be equipped with a protective roof made of sheet steel having a thickness of at least 4 mm (0.2 in) or a material having equivalent strength;
(4)  designed so that the opening of its lower part is circular to enable the bucket to fit into it.
O.C. 213-93, s. 319.