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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
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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13-116-100  Occupancy change.
   Nothing in this section shall be construed to prohibit other alterations within the fire limits; provided, there is no change of occupancy to a class of occupancy otherwise prohibited.
(Prior code § 50-10)
13-116-110  Moving of buildings.
   No building or structure of wood frame construction or unprotected noncombustible construction shall be moved from without to within the fire limits or from one lot to another within the fire limits.
(Prior code § 50-11)
13-116-120  Determination of building limits.
   A building or structure shall be deemed to be within the fire limits if one-third or more of the area of such building or structure is located therein.
(Prior code § 50-12)
13-116-130  Exceptions.
   Nothing in this chapter shall prohibit within the fire limits and subject to the specified limitations, the erection of new buildings or structures nor the extension or enlargement of buildings or structures of wood frame construction or unprotected noncombustible construction nor the use of wood or other combustible veneers as follows:
   (a)   Fences not exceeding ten feet in height;
   (b)   Temporary platforms, reviewing stands, builders, shanties and similar miscellaneous structures erected for a limited period of time as approved by the building commissioner;
   (c)   Coal and material bins, water towers and trestles constructed of heavy timber having minimum sizes conforming to the requirements of Type III-A, heavy timber construction;
   (d)   Storm enclosures not exceeding 12 feet in height, nor more than three feet wider than the entrance doors which they serve.
   (e)   Boathouses of Type II construction not exceeding 2,500 square feet in area nor 25 feet in height.
   (f)   Tanks;
   (g)   Wood or other combustible veneers on noncombustible backing for facades that do not extend above the first full story above grade or fire retardant treated wood that does not extend above the second full story above grade;
   (h)   A building occupied as a private garage, not more than one story in height nor more than 500 square feet in area, located on the same lot within a dwelling; provided that such building shall be placed at least three feet from the lot lines of adjoining property;
   (i)   Buildings of unprotected noncombustible construction, except when used for a hazardous use of occupancy, not exceeding 5,000 square feet in area when used for a business occupancy, not exceeding 5,000 square feet when used as a gasoline filling station, or 1,000 square feet in area when used for other occupancies, nor more than one story in height, and having a horizontal separation of not less than 12 feet on all sides. Walls having a horizontal separation of less than 12 feet shall have a fire resistance rating of not less than one hour;
   (j)   Buildings of unprotected noncombustible construction having a horizontal separation of 30 feet on all sides. Walls having a horizontal separation of less than 30 feet but not less than 12 feet shall have a fire resistance rating of not less than one hour. Walls having a horizontal separation of less than 12 feet shall have a fire resistance rating of not less than two hours;
   (k)   Greenhouses not exceeding 400 square feet in area and not more than 15 feet in height erected on the same lot with and accessory to a building of another occupancy;
   (l)   Sheds open on the long side, not more than 15 feet in height nor more than 400 square feet in area, located at least ten feet from buildings and from adjoining lot lines;
   (m)   Piazzas or balconies on dwellings, not exceeding ten feet in width nor ending more than three feet above the second-story floor beams; provided that no such structure shall be located nearer than three feet to an adjacent lot line or be joined to a similar structure of another building;
   (n)   Roofs over parking lots and bus stations, of unprotected noncombustible construction, where the roof is at least ten feet above the floor, and every 40 feet there is an open roof ventilation area six feet wide extending either the full length of the roof or the full width of the roof;
   (o)   Display signs as permitted elsewhere in this Code;
   (p)   Cooling towers as permitted in Section 13-96-430.
(Prior code § 50-13; Amend Coun. J. 9-13-89, p. 4604; Amend Coun. J. 3-5-03, p. 104990, § 26; Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1)
13-116-140  Type IV-B construction restrictions.
   Buildings or structures of Type IV-B construction shall not be erected hereafter except for the following uses:
   (a)   Any use permitted within the fire limits;
   (b)   Frame porches complying with the requirements of Sections 13-116-040 and 15-8-320;
   (c)   Miscellaneous structures as provided in Section 13-116-040 and Chapter 13-96.
(Prior code § 50-14)