27-352. Inspection and construction of
hoists
A. Hoisting machinery, cables and sheaves shall be inspected once every twenty-four
hours by a competent person appointed by the operator for that purpose, and the person
making the inspection shall immediately report in writing to the operator all defects
found.
B. Ropes or cables used for hoisting purposes shall be of approved quality and
manufacture. In shafts and winzes over two hundred feet deep, wire ropes or cables only
shall be used for hoisting purposes.
C. Head frames where persons are hoisted at a speed of over two hundred fifty feet
per minute and where more than twenty-five persons are employed shall be constructed to
allow at least twenty-five feet above the hoist landing stage in which the cage, skip or
bucket can travel freely in case of an overwind.
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