B-1.1, r. 3 - Safety Code

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306. Steel wire ropes must be replaced in the following cases:
(1)  instructions of the amusement ride or device manufacturer require it;
(2)  6 wires are broken in one rope lay;
(3)  3 wires are broken in one strand of a rope lay;
(4)  2 wires are broken in a suspension rope that supports the total load of a vehicle;
(5)  the initial diameter of the rope has decreased by 10%; and
(6)  the rope is distorted because of kinking, crushing or untwisting of the rope or a strand.
Steel wire ropes must be repaired where 2 wires are broken near a fastening.
O.C. 363-2012, s. 1.