Western Australian Consolidated Regulations Western Australian Consolidated Regulations (1) The manager of a
mine must ensure that, unless otherwise approved in writing by the State
mining engineer, the driving sheave diameter of a friction winder when
measured at the bottom of the rope grooves is not less than —
(a) 100
times the diameter of the winding rope when locked coil ropes are used; and
(b) 90
times the diameter of the winding rope when flattened strands are used.
Penalty: See regulation 17.1.
(2) The manager of a
mine must ensure that the grooves of a multigrooved sheave are of
substantially the same root diameter.
Penalty: See regulation 17.1.