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Prior Chicago Building Code
BUILDING CODE AND RELATED EXCERPTS OF THE MUNICIPAL CODE OF CHICAGO
DIVISION 1 - ADMINISTRATION
DIVISION 2 - DEFINITIONS
DIVISION 3 - USE AND OCCUPANCY CLASSIFICATIONS
DIVISION 4 - SPECIAL DETAILED REQUIREMENTS BASED ON USE AND OCCUPANCY
Subdivision 403 - High-Rise buildings
Subdivision 406 - Motor-Vehicle-Related Occupancies
Subdivision 407 - Special Institutional
Subdivision 411 - Special Amusement Buildings
Subdivision 413 - Combustible Storage
Subdivision 414 - Hazardous Materials
Subdivision 421 - Special Detailed Requirements
DIVISION 5 - GENERAL BUILDING HEIGHTS AND AREAS
DIVISION 6 - TYPES OF CONSTRUCTION
DIVISION 7 - FIRE-RESISTANCE-RATED CONSTRUCTION
DIVISION 8 - INTERIOR FINISHES (NA)
DIVISION 9 - FIRE PROTECTION SYSTEMS
DIVISION 10 - MEANS OF EGRESS
DIVISION 11 - ACCESSIBILITY
DIVISION 12 - INTERIOR ENVIRONMENT
DIVISION 13 - ENERGY EFFICIENCY AND ENVIRONMENTAL PROTECTION
DIVISION 14 - EXTERIOR WALLS (NA)
DIVISION 15 - ROOF ASSEMBLIES AND ROOFTOP STRUCTURES (NA)
DIVISION 16 - STRUCTURAL DESIGN
DIVISION 17 - STRUCTURAL TESTS AND SPECIAL INSPECTIONS
DIVISION 18 - SOILS AND FOUNDATIONS
DIVISION 19 - CONCRETE
DIVISION 20 - ALUMINUM (NA)
DIVISION 21 - MASONRY
DIVISION 22 - STEEL
DIVISION 23 - WOOD
DIVISION 24 - GLASS AND GLAZING (NA)
DIVISION 25 - GYPSUM BOARD AND PLASTER (NA)
DIVISION 26 - PLASTIC (NA)
DIVISION 27 - ELECTRICAL
DIVISION 28 - MECHANICAL SYSTEMS
DIVISION 29 - PLUMBING SYSTEMS
DIVISION 30 - ELEVATORS AND CONVEYING SYSTEMS
DIVISION 31 - SPECIAL CONSTRUCTION (NA)
DIVISION 32 - ENCROACHMENTS INTO THE PUBLIC RIGHT-OF-WAY
DIVISION 33 - SAFEGUARDS DURING CONSTRUCTION
DIVISION 34 - EXISTING STRUCTURES
DIVISION 35 - REFERENCED STANDARDS

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15-24-290  Tank testings.
   All flammable liquid tanks in use may be tested in accordance with Section 15-24-280 whenever the fire commissioner deems necessary.
(Prior code § 129.1-22.1; Amend Coun. J. 5-18-16, p. 24131, § 144)
15-24-300  Railroad tank car storage prohibited.
   Railroad tank cars shall not be used for aboveground storage tanks.
(Prior code §  129.1-22.2)
ARTICLE III.  CLOSED CONTAINER STORAGE (15-24-310 et seq.)
15-24-310  General requirements.
   Storage in Containers. The storage of flammable liquids within buildings shall be as given in this paragraph; provided, however, that in a special room for flammable liquids, unlimited quantities of Class II or III flammable liquids may be stored therein as provided in Section 15-24-410 of this Code.
      (a)   In Buildings of Type IVA or IVB Construction. Class I or II liquids, in sealed containers of safety cans of not more than one gallon capacity, not exceeding a total of five gallons. Class III liquids, maximum limit of any tank or container, 60 gallons to a maximum aggregate amount of 60 gallons except as otherwise permitted in Sections 15-24-170, 15-24-270 and 15-24-280 of this Code.
      (b)   In Other Buildings. Class I liquids, in sealed containers or safety cans not more than one gallon capacity, not exceeding a total of ten gallons. Class II liquids in sealed containers or safety cans of not more than five gallons capacity or in barrels, drums or tanks not more than 60 gallons capacity, to a maximum aggregate amount of 60 gallons. Class III liquids in sealed containers of not more than five gallons capacity, in barrels, drums and tanks not exceeding 120 gallons capacity to a maximum aggregate amount of 120 gallons, except as otherwise permitted in Sections 15-24-170, 15-24-270 and 15-24-280 of this Code.
      (c)   Whenever the amount of flammable liquid stored in a building exceeds the limits in subitems (a) or (b) given above, the excess flammable liquid shall be stored in a special room for flammable liquids.
      (d)   Paint and Lettering. Portable containers of a capacity of ten gallons or less, used for storing Class I flammable liquids, shall be painted red, or shall be painted with a conspicuous band or stripe of red. Such containers shall be conspicuously lettered in black with the following words: “Dangerous – Keep Lights and Fires Away”. Portable containers, used for storing Class III flammable liquids shall be painted blue, or shall be painted with a conspicuous band or stripe of blue. Such containers shall be conspicuously lettered in white with the following words: “Dangerous – Keep Light and Fire Away”.
   Storage Cabinets. Where the total quantity of flammable liquids stored is more than ten gallons and less than 50 gallons, and no individual container exceeds five gallons capacity, storage cabinets constructed as follows shall be required: bottom, top and sides of cabinet shall be made of sheet iron, not less than No. 18 gauge in thickness. Said cabinet shall be double walled, with not less than one and one-half inches air space. Joints shall be riveted or welded. Doors shall be of a construction equivalent to walls and shall be provided with a three-joint lock. Door sill shall be raised not less than two inches above the bottom of the cabinet. The cabinet shall be conspicuously labeled in red letters: “Flammable – Keep Fire Away”.
(Prior code §  129.1-23)
15-24-320  Inspections.
   All containers, tanks and other equipment used for the storage or use of flammable liquids and all buildings and premises wherein the same are stored or used shall be constructed and maintained in accordance with the provisions of this chapter.
   Every container or tank for flammable liquids of a capacity of 60 gallons or more, either aboveground or within a building, and the premises and equipment used for the storage or handling of flammable liquids by any person subject to license under this chapter, shall be inspected by the fire commissioner at least once each year.
(Prior code § 129.1-24; Amend Coun. J. 5-18-16, p. 24131, § 145)
15-24-330  Labels on products for sale.
   All flammable liquids, flammable liquid compounds or flammable liquid mixtures, offered for sale at retail in containers shall be conspicuously marked or labeled “flammable” in easily legible type, which is in contrast by typography, layout or color with any other printed matter on the label. Labels shall not be required on beverages, articles of food or drugs, when the container is labeled in accordance with the regulations of the Interstate Commerce Commission or Department of Transportation or when the container is labeled in accordance with the Federal Hazardous Substances Labeling Act and Regulations.
(Prior code §  129.1-25)
15-24-340  Container construction.
   A container shall not exceed 60 gallons individual capacity and shall be made of metal or approved plastic, except that within buildings:
   (a)   Plastic or glass containers having an individual capacity of not more than one pint may be used for Class I, II or III flammable liquids.
   (b)   Nonreusable plastic containers larger than one pint, but not more than one gallon, may be used for Class II and Class III liquids in common consumer products, such as, floor care compounds, charcoal lighter and paint thinner.
   (c)   Nonreusable plastic containers bearing Federal D.O.T. or other approval agency markings, having an individual capacity of more than a pint, but not more than two and one-half gallons, stored in buildings and areas with automatic sprinkler systems, as required in Section 15-16, Article I of this Code, may be used for flammable liquids other than Class I.
   (d)   Plastic or glass containers having an individual capacity of not more than one gallon, may be used for medicines, beverages, foodstuffs and toiletries that are flammable liquids.
   (e)   Plastic or glass containers having an individual capacity of not more than one gallon, may be used in laboratories for flammable liquids whose chemical purity would be contaminated by metal containers.
(Prior code §  129.1-26; Added Coun. J. 6-20-84, p. 7832)
15-24-350  Automatic sprinklers.
   For automatic sprinkler requirements, see Chapter 15-16 of this Code.
(Prior code §  129.1-27)
15-24-360  Transfer to portable containers.
   Class I flammable liquids, other than motor fuels, shall be dispensed from tank trucks into portable containers under the following conditions:
   (a)   The portable container and the tank truck shall be electrically interconnected and positively grounded during filling operations.
   (b)   The container used shall be an approved safety can or a metal drum.
   (c)   Smoking shall not be allowed during filling operations. No other ignition sources shall be within 20 feet unless necessary for the transfer of the flammable liquid.
   (d)   Actual filling operations shall be conducted outside the building. Safety clearances of ten feet shall be maintained between the filling operations and any structure. Provided, however, filling operations may be conducted inside a building or room designed for flammable liquid use, if a fixed piping system is used from the truck located outside the building and entering directly into the building or room designed for flammable liquid use.
(Prior code §  129.1-28)
15-24-370  Standard fireproof vaults.
   The walls, floor and ceilings of a standard fireproof vault, whenever such a room is required by this Code, shall be built of reinforced concrete or masonry of not less than two-hour fire-resistive construction. The distance from the floor to the ceiling of a standard fireproof vault shall not exceed 11 feet. Where a standard fireproof vault is located within any building, the cubical contents of such standard fireproof vault shall not exceed 750 cubic feet. Where a standard fireproof vault is located outside of a building so that a safety clearance of not less than five feet is provided on not less than three sides of such fireproof vault, the cubical contents of such vault shall not exceed 1,500 cubic feet. Nothing in this chapter shall be construed as prohibiting more than one standard fireproof vault in any building or structure or on any lot or plot of ground. All openings in the floors, walls, or ceilings of standard fireproof vault, except required vent flue openings and window openings for ventilation, shall be equipped and protected with a Class A fire door of the automatic type and shall have as its actuating mechanism to close such door, a thermostatic releasing device. No wood floor, wood racks, wood shelves, or any other combustible material other than the substance for which any standard fireproof vault is intended shall be allowed or permitted in such vault. Shelves or racks used to support the material stored in vault shall be of metal and of open construction, so arranged as to permit water from the sprinkler heads to pass between container or packages.
   Flammable Liquids. Whenever a standard fireproof vault is used for the storage of flammable liquids, there shall be a sill at every doorway thereto, constructed of noncombustible materials and six inches high above the level of the floor of the vault. All floor drains in a vault used for storing or keeping flammable or corrosive liquids shall have no connections with the drainage system of the building, but shall be arranged to drain to a location outside of the building remote from all connections or drains to the sewer system.
(Prior code §  129.1-29)
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