Mich. Admin. Code R. 408.41214 - Hoisting machines generally
Rule 1214.
(1) A
hoisting machine shall carry a label of an approved nationally recognized
testing laboratory, such as underwriters laboratories or factory mutual
engineering corporation, which states that the machine is approved for use on a
suspension scaffold, swinging scaffold, or powered mobile elevating
platform.
(2) If wire rope is used
to suspend an adjustable scaffold, then the rope shall be in compliance with
all of the following requirements.
(a) Have
the fixed end equipped with a proper size thimble and attached to the upper
support member.
(b) Have the
running rope securely attached to the hoisting drum and have not less than 4
wraps of the rope remain on the drum at all times.
(c) When other types of hoists are used,
either the suspension ropes shall be long enough to allow the scaffold to be
lowered to the level below without the rope end passing through the hoist or
the rope end shall be configured or provided with means to prevent the end from
passing through the hoist.
(3) A hoisting machine shall be inspected
daily when in use and shall not be put in service unless it is free of defects
which would affect the operation of the machine.
(4) The stall load of any scaffold hoist
shall not be more than 3 times its rated load.
Notes
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