209(1)An employer shall ensure that the minimum nominal diameter of a hoisting rope exceeds
(a)
15.9 mm where only one rope supports a shaft conveyance or counterweight, and
(b)
12.7 mm where more than one rope supports a shaft conveyance or counterweight.
209(2)An employer shall ensure that the factor of safety of a hoisting rope installed on a drum hoist is not less than
(a)
subject to paragraph (b), 8.5 at the point the rope is attached to a shaft conveyance or counterweight,
(b)
7.5 at the point the rope is attached to a skip or counterweight where the material load was accurately weighed, and
(c)
5.0 at the point the rope leaves the head sheave when the shaft conveyance or counterweight is at its lowest point of normal travel.
209(3)An employer shall ensure that the factor of safety of a hoisting rope installed on a friction hoist is not less than the greater of
(a)
the factor obtained from the formula 8.0Â minus 0.00164 d, where d is the maximum length of the rope in metres in the shaft compartment below the head sheave or the drum of a friction hoist, or
(b)
5.5.
209(4)An employer shall ensure that the factor of safety of a balance rope is not less than seven.
209(5)An employer shall ensure that the factor of safety of a guide or rubbing rope is not less than five.