Mich. Admin. Code R. 408.14443 - Cupolas
Rule 4443.
(1) A
skip hoist or charging machine, unless completely enclosed, shall be equipped
with:
(a) A warning device to announce
movement.
(b) An interlocking gate
across the bucket loading opening.
(2) An employee working in a cupola shall be
protected from falling objects by an overhead guard.
(3) A cupola bottom shall be:
(a) Supported by 2 or more metal props of
structural strength with overall safety factor of not less than 10 to support a
full capacity load and adjusted to proper height by wedges or screw
jacks.
(b) Dropped only after a
general warning has been sounded and all persons are removed to a safe distance
or protected by a permanent or movable enclosure or screen.
(c) Dropped into an area free of
water.
(4) A slag hole
shall be shielded to protect an employee from spattering slag.
(5) Where oxygen is used to blow or cut
tapping holes, a screen or guard shall be used to protect nearby employees from
hot blown material.
(6) An employee
not wearing light attenuating goggles or shields shall be protected by a screen
or wall from the arc of an electric furnace.
Notes
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