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Article I. General
15-26-010 Licenses, permits and special exit requirements.
15-26-020 Definitions.
15-26-030 Manufactured gas buildings – Exempted from chapter requirements – When.
15-26-040 Public utility company rules.
15-26-050 Acetylene lighting prohibited.
15-26-060 Portable acetylene lamps and stoves.
Article II. Buildings and Rooms
15-26-070 Construction requirements – Gasholders.
15-26-080 Fire-resistive separation.
15-26-090 Flammable compressed gas – Restrictions.
15-26-100 Safety clearances.
15-26-110 Floor area limits.
15-26-120 Ventilation.
15-26-130 Sign requirements.
15-26-140 Fume hazard gases – Storage and handling.
15-26-150 Tank storage.
15-26-160 Emergency controls.
15-26-170 Tank and tank cars – Safety clearances.
15-26-180 Neutralizing agents.
15-26-190 Emergency equipment.
Article III. Transportation
15-26-200 Trucks on public ways.
15-26-210 Tank cars – Special safety clearances.
15-26-220 Tank cars – Unloading procedures.
15-26-230 Danger signs.
15-26-240 Dead-end sidings – Safety measures.
15-26-250 Tank cars – Building safety clearances.
15-26-260 Switch engines and car pullers.
15-26-270 Tank cars – Piping systems.
15-26-280 Warning signs and painting.
15-26-290 Fire prevention requirements.
15-26-300 Safety measures.
15-26-310 Repair equipment.
15-26-320 Approved – Defined.
Article IV. Generation of Acetylene Gas
15-26-330 Exceptions to regulations.
15-26-340 Prohibited in buildings with sleeping accommodations.
15-26-350 Marking of generators.
15-26-360 Warning and instruction cards – Posting requirements.
15-26-370 Repairs – Lighting requirements.
15-26-380 Appliances – Maintenance and installation.
15-26-390 Housing of generators.
15-26-400 Piping and relief valves.
15-26-410 Water supply connections.
15-26-420 Drain connections.
15-26-430 Gasometers.
15-26-440 Portable generator – Defined.
15-26-450 Portable generator – Permit required.
15-26-460 Portable generator – Prohibited locations.
15-26-470 Fire prevention and safety procedures.
15-26-480 Portable generators – Installation requirements.
15-26-490 Fire extinguishers.
15-26-500 Tanks and containers – Cutting and welding restrictions.
15-26-510 Calcium carbide – Storage.
15-26-520 Disposal of calcium carbide residuum.
15-26-530 Liquefied acetylene prohibited.
Article V. Liquefied Petroleum Gas
15-26-540 Where prohibited.
15-26-545 Use of liquefied petroleum gas in industrial forklift trucks solely at McCormick Place Complex.
15-26-547 Use of liquefied petroleum gas at Navy Pier.
15-26-550 Repair and renovation use – Restrictions.
15-26-560 Labels required.
15-26-570 Industrial truck use in mercantile units.
15-26-580 Aggregate storage limit in buildings.
15-26-590 Container storage limit in buildings.
15-26-600 Aggregate container system capacity in buildings.
15-26-610 Portable heaters.
15-26-620 Containers – Construction standards.
15-26-630 Containers – Valves and piping.
15-26-640 Containers – Relief valves.
15-26-650 Excess flow valves.
15-26-660 Shutoff valves.
15-26-670 Gauging devices.
15-26-680 Gas hoses.
15-26-690 Vaporizers.
15-26-700 Container storage – Safety clearances.
15-26-710 Temporary container storage – Safety clearances.
15-26-720 Underground storage tank installation.
15-26-730 Filling density and procedure.
15-26-740 Tank cars – Unloading procedure.
15-26-750 Tank trucks.
15-26-760 Repair, alteration or modification of LP containers – Procedure.
15-26-770 Labeling of aerosol container.
15-26-780 Aerosol can filling restrictions.
15-26-790 Aerosol can storage.
Article VI. Miscellaneous
15-26-800 Chlorine gas.
15-26-810 Storage of oxygen cylinders.
15-26-820 Bulk oxygen storage systems.
15-26-830 Oxygen container construction standards.
15-26-840 Oxygen piping and fittings.
15-26-850 Bulk oxygen systems – Supervision of installation.
15-26-860 Bulk oxygen – Sign requirements.
ARTICLE I. GENERAL (15-26-010 et seq.)
For purposes of this chapter, the following definitions apply.
Fume or Flammable Compressed Gas Building, Rooms and Gases.
(a) “Fume or flammable compressed gas building” means a building, or part of a building, designed, intended or used for the purpose of manufacturing, compressing or storing any fume hazard gas or any flammable compressed gas, either at a pressure of more than 15 pounds per square inch or in a quantity of more than 2,500 cubic feet.
(b) “Fume or flammable compressed gas room” means a room designed, intended or used for any of the purposes described under subsection (a) of this section and which is located in a building other than a fume or flammable compressed gas building.
(c) “Fume hazard gases” means ammonia gas, chlorine gas, phosgene gas, sulphur dioxide gas, chlororipicrin gas, cyanogen gas, hydrogen cyanide gas, nitrogen peroxide gas and other gas which has an equal or greater danger to life; and any other gas which, as determined by the committee on standards and tests, is in fact a poisonous irritant or corrosive gas and is not susceptible to fire or explosion, shall each be defined as a fume hazard gas.
(d) Flammable compressed gases, acetylene gas, ammonia gas, ether gas, ethyl chloride gas, ethylene gas, liquefied hydrocarbon gases, liquefied petroleum gases, hydrogen gas, illuminating gas, methyl chloride gas and any other gas which is a poisonous, irritant or corrosive gas and is also a gas susceptible to explosion under any condition or is not a poisonous, irritant or corrosive gas but is a gas susceptible to burning under any condition shall each be defined as a flammable compressed gas.
Fume or Flammable Compressed Gas. No sprinkler system shall be required for any fume or flammable compressed gas building of Type IA, IB or IC construction, nor for any room intended for the storage and use of chlorine gas for no purpose other than the operation of a water purification plant or refrigerating unit, nor for any unit of noncombustible construction used exclusively for the production of manufactured gas.
The following definitions shall apply to sections regulating liquefied petroleum gas only:
1. “Containers” means all vessels, such as tanks, cylinders or drums used for transportation or storing of liquefied petroleum gas.
2. “Capacity of container” means the amount of liquefied petroleum gas that a container will hold. For Interstate Commerce Commission or Department of Transportation approved containers, this is expressed in pounds of liquefied petroleum gas. For American Society of Mechanical Engineers approved containers, this is expressed in gallons of water capacity.
3. “Liquefied petroleum gas” means and includes any material which is composed predominately of any of the following hydrocarbons, or mixtures of them: propane, propylene, butane (normal butane or isobutane) and butylenes.
4. “Excess flow valve” means a valve intended to prevent a flow rate greater than the maximum preset flow rate.
5. “Filling density” means the ratio of the weight of gas in a container to the weight of water the container will hold at 60 degrees Fahrenheit expressed as a percentage.
6. “Safety relief valve” means a valve intended to open upon buildup of excess pressure in the container.
7. “Vaporizer” means a device intended to change liquefied petroleum gas from a liquid state to a gaseous state.
8. “Used” or “in use” means connected to a system for use.
(Coun. J. 12-9-92, p. 25465; Amend Coun. J. 2-7-96, p. 15616)
Any building used exclusively for the production, distribution or storage of manufactured gas as a public utility shall be exempt from the requirements of this part of this chapter dealing with construction except the provisions of Section 15-24-170 for tanks for flammable liquids; provided, however, that such buildings shall be constructed, as provided in Section 13-104-020, entirely of noncombustible materials, with interior framing member either with or without fireproof covering.
(Coun. J. 12-9-92, p. 25465; Amend Coun. J. 2-7-96, p. 15616)
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