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

Section 293 Disposition versions

2012-09-01

293. A hoisting rope or a tail rope shall be withdrawn from service when:

(1)  during a breaking test, the stretch of a rope specimen has been reduced to less than 60% of its stretch recorded during its breaking test when new;

(2)  the number of broken wires in a segment of rope equal to the length of one lay of the rope is more than 5% of the total number of wires in the rope;

(3)  in the case of a hoisting rope, the breaking load or the loss of cross-section at any point is at least 10% less than its condition when new, unless the damaged part of the rope can be entirely removed and the remainder of the rope meets the requirements of this section;

(4)  in the case of a tail rope, an electromagnetic examination indicates a loss of cross-section of 12% or more at any point for a deformed rope and 25% for an undeformed rope;

(5)  the loss of torsion strength exceeds 85%, unless an independent specialized enterprise performs electromagnetic inspections at intervals the enterprise determines and the inspections are documented.

O.C. 213-93, s. 293; O.C. 119-2006, s. 23.