Mich. Admin. Code R. 408.41563 - Bridge tower construction personnel hoists
Rule 1563.
(1)
A personnel hoist that is used in bridge tower construction shall be approved
by a registered professional engineer and installed in accordance with R
408.41560(2).
(2) When a hoist
tower is not enclosed, the car or hoist platform shall be totally enclosed or
caged on all sides for the full height between the floor and the overhead
protective covering with not less than 3/4-inch mesh of no. 14 U.S. gauge wire
or equivalent. The hoist car enclosure shall include the required gates for
loading and unloading.
(3) An
employer shall ensure that hoists are inspected for defects, serviced, and
maintained on a weekly basis, and repaired as necessary. If the hoisting
equipment is exposed to winds of more than 35 miles per hour, authorized
personnel must inspect and repair the hoisting equipment if necessary before
reuse.
Notes
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