Mich. Admin. Code R. 408.40722 - Storage
Rule 722.
(1)
An oxygen cylinder shall be stored not less than 20 feet from fuel gas
cylinders or any highly combustible material, such as, but not limited to, oil,
grease, excelsior, flammable gas, or a source of ignition, or shall be
separated from the material by a noncombustible wall not less than 5 feet (1.6
meters) high which has a fire resistance rating of 30 minutes.
(2) A cylinder shall be stored away from any
source of heat more than 125 degrees Fahrenheit.
(3) A cylinder, whether full or empty, in
storage or during shipment, or with the regulator removed, shall have the valve
closed and the cap connected in place if a cap is provided in the design, or
shall be otherwise protected.
(4)
Where different gases are stored, they shall be grouped by types. Groupings
shall separate the fuel gases from the oxidizing gases as specified in subrule
(1) of this rule.
(5) A storage
area for cylinders shall be well ventilated.
(6) A cylinder shall not be stored in
basements or pits.
(7) Where a
liquid or gaseous oxygen system is used to supply gaseous oxygen for welding
and cutting and the system has a storage capacity of more than 20,000 cubic
feet (560 cubic meters), measured at 14.7 psia and 70 degrees Fahrenheit,
including unconnected reserves at the site, the system shall be as prescribed
in National Fire Protection Association Standard NFPA 50, "Standards for Bulk
Oxygen Systems at Consumer Sites," 1974 edition, which is adopted by reference
in
R
408.40709.
Notes
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