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

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290. The safety factor for a multirope friction hoist shall be calculated by the breaking load of the weakest hoisting rope multiplied by the number of ropes and divided by the sum of the masses of the conveyance, the attachments, the ropes suspended in the shaft compartment and the maximum mass that can be transported in the conveyance.
O.C. 213-93, s. 290.