R 408.40712
R 408.40712 Requirements generally.
Cite as Mich. Admin. Code R 408.40712
Rule 712. (1) Only apparatus designed for use with fuel gas or oxygen, such as a
torch, regulator, pressure-reducing valve, acetylene generator, and manifold, shall be
used for welding or cutting.
(2) Fuel gas, oxygen, or compressed air shall not flow from a cylinder or manifold
through a torch or other device equipped with a shutoff valve unless the pressure is
reduced by a regulator attached to the cylinder or manifold.
(3) An oxygen cylinder, fuel gas cylinder, cylinder valve, coupling regulator, hose,
and apparatus shall be kept in good operating condition and shall be kept free from
defects.
(4) An oxygen cylinder, fuel gas cylinder, cylinder valve, coupling regulator, hose,
and apparatus shall be kept free from oily or greasy substances and shall not be handled
with oily hands or gloves. A jet of oxygen shall not be permitted to strike oily surfaces or
greasy clothes and shall not be permitted to enter a fuel, oil, or other storage tank.
(5) Oxygen shall only be used for welding or cutting.
(6) Welders shall place welding cable, hose, and other equipment so that it is clear of
passageways, ladders, and stairways, or shall assure that it is protected against damage
and does not create a hazard to an employee.