Acts and Regulations

96-105 - Underground Mine

Full text
Drums
194(1)Subject to subsection (2), an employer shall ensure that the drum diameter to rope diameter ratio for a drum hoist is equal to or greater than
(a) 60 to 1, where the nominal rope diameter is 25.4 mm or less, and
(b) 80 to 1, where the nominal rope diameter is greater than 25.4 mm.
194(2)An employer shall ensure that the drum diameter to rope diameter ratio for a drum hoist in use for shaft sinking or for preliminary development work during shaft sinking is equal to or greater than
(a) 48 to 1, where the nominal rope diameter is 25.4 mm or less, and
(b) 60 to 1, where the nominal rope diameter is greater than 25.4 mm.
194(3)An employer shall ensure that the drum diameter to rope diameter ratio of a friction hoist is equal to or greater than
(a) 80 to 1, for stranded ropes, and
(b) 100 to 1, for locked coil ropes.