14B-33-3318 Flammable gases.
The following language is adopted as a new Section 3318:
"3318. FLAMMABLE GASES
3318.1 Storage and handling.
The storage, use and handling of flammable gases shall comply with the Chicago Fire Prevention Code.
3318.2 Cleaning with flammable gas.
Flammable gases shall not be used to clean or remove debris from piping open to the atmosphere.
3318.2.1 Pipe cleaning and purging.
The cleaning and purging of flammable gas piping systems, including cleaning new or existing piping systems, purging piping systems into service and purging piping systems out of service, shall comply with NFPA 56.
Exceptions:
1.   Compressed gas piping systems other than fuel gas piping systems where in accordance with the Chicago Fire Prevention Code.
2.   Piping systems regulated by the Chicago Fuel Gas Code.
3.   Liquefied petroleum gas systems in accordance with the Chicago Fire Prevention Code."
(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 100)