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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
CHAPTER 18-28 MECHANICAL SYSTEMS*
Article I. Administration (18-28-101 et seq.)
Article II. Definitions (18-28-201 et seq.)
Article III. General Regulations (18-28-301 et seq.)
Article IV. Ventilation (18-28-401 et seq.)
Article V. Exhaust Systems (18-28-501 et seq.)
Article VI. Duct Systems (18-28-601 et seq.)
Article VII. Combustion Air (18-28-701 et seq.)
Article VIII. Chimneys and Vents (18-28-801 et seq.)
Article IX. Specific Appliances, Fireplaces and Solid Fuel-Burning Equipment (18-28-901 et seq.)
18-28-901 General.
18-28-901.1 Scope.
18-28-901.2 General.
18-28-901.3 Hazardous locations.
18-28-901.4 Fireplace accessories.
18-28-901.5 Installation in private garages.
18-28-901.6 Borrowed light concept.
18-28-902 Masonry Fireplaces.
18-28-902.1 General.
18-28-902.2 Masonry fireplaces utilizing wood or other solid fuels.
18-28-902.3 Gas-fired log lighters.
18-28-902.3.1 Approval and installation.
18-28-902.3.2 Prohibited installations.
18-28-902.3.3 Combustion and circulating air.
18-28-903 Factory-Built Fireplaces.
18-28-903.1 General.
18-28-903.1.1 Additional combustion air.
18-28-903.1.2 Direct vent fireplaces.
18-28-903.1.3 Vented gas fireplaces (not including direct vent) located in habitable rooms (not including bathrooms and sleeping rooms).
18-28-903.1.4 Vented gas fireplaces (not including direct vent) located in bathrooms and sleeping rooms.
18-28-903.1.5 Unvented gas fireplaces.
18-28-903.2 Hearth extensions.
18-28-903.3 Unvented gas log heaters.
18-28-903.3.1 Decorative appliances for installation in vented fireplaces.
18-28-903.3.1.1 Prohibited installations.
18-28-903.3.1.2 Installation.
18-28-903.3.1.3.
18-28-903.3.1.4.
18-28-903.3.1.5 Fireplace screens.
18-28-903.3.2 Gas-fired log lighters.
18-28-903.3.2.1 Approval and installation.
18-28-903.3.2.2 Prohibited installations.
18-28-903.3.2.3 Combustion and circulating air.
18-28-904 Pellet Fuel-Burning Appliances.
18-28-904.1 General.
18-28-905 Fireplace Stoves and Room Heaters.
18-28-905.1 General.
18-28-905.1.1 Additional combustion air.
18-28-905.1.2 Direct vent gas room heaters.
18-28-905.1.3 Unvented gas room heaters.
18-28-905.2 Connection fireplace.
18-28-906 Factory-Built Barbecue Appliances.
18-28-906.1 General.
18-28-906.2 Natural gas barbecue grills located on balconies of multi-family buildings.
18-28-907 Incinerators and Crematories.
18-28-907.1 General.
18-28-908 Cooling Towers, Evaporative Condensers and Fluid Coolers.
18-28-908.1 General.
18-28-908.2 Access.
18-28-908.3 Location.
18-28-908.4 Support and anchorage.
18-28-908.5 Water supply.
18-28-908.6 Drainage.
18-28-908.7 Refrigerants and hazardous fluids.
18-28-909 Vented Wall Furnaces.
18-28-909.1 General.
18-28-909.2 Location.
18-28-909.3 Door swing.
18-28-909.4 Ducts prohibited.
18-28-909.5 Manual shutoff valve.
18-28-909.6 Access.
18-28-909.7 Combustion and circulating air.
18-28-909.8 Gas-fired vented wall furnaces.
18-28-909.9 Gas-fired direct-vent wall furnaces.
18-28-910 Floor Furnaces.
18-28-910.1 General.
18-28-910.2 Placement.
18-28-910.3 Bracing.
18-28-910.4 Clearance.
18-28-911 Duct Furnaces.
18-28-911.1 General.
18-28-911.2 Gas-fired duct furnaces.
18-28-911.2.1 Clearances.
18-28-911.2.2 Erection of equipment.
18-28-911.2.3 Access panels.
18-28-911.2.4 Location of draft hood and controls.
18-28-911.2.5 Circulating air.
18-28-911.2.6 Duct furnaces used with refrigeration systems.
18-28-912 Infrared Radiant Heaters.
18-28-912.1 Support.
18-28-912.2 Clearances.
18-28-912.3 Installation in commercial garages.
18-28-912.3.1 Parking structures.
18-28-912.3.2 Repair garages.
18-28-912.3.3 Installation in aircraft hangars.
18-28-913 Clothes Dryers.
18-28-913.1 General.
18-28-913.2 Exhaust required.
18-28-913.3 Clearances.
18-28-914 Sauna Heaters.
18-28-914.1 Location and protection.
18-28-914.1.1 Guards.
18-28-914.2 Installation.
18-28-914.2.1 Combustion and dilution air intakes.
18-28-914.2.2 Combustion and ventilation air.
18-28-914.3 Access.
18-28-914.4 Heat and time controls.
18-28-914.4.1 Timers.
18-28-914.5 Sauna room.
18-28-914.5.1 Warning notice.
18-28-915 Engine and Gas Turbine-Powered Equipment and Appliances.
18-28-915.1 General.
18-28-916 Pool and Spa Heaters.
18-28-916.1 General.
18-28-916.2 Gas-fired pool heaters.
18-28-916.2.1 Location.
18-28-916.2.2 Clearance.
18-28-916.2.3 Temperature- or pressure-limiting devices.
18-28-916.2.3.1.
18-28-916.2.3.2 Bypass valves.
18-28-916.2.3.3 Venting.
18-28-917 Cooking Appliances.
18-28-917.1 Cooking appliances.
18-28-917.2 Prohibited location.
18-28-917.3 Domestic appliances.
18-28-917.4 Gas-fired food service equipment, floor-mounted.
18-28-917.4.1 Clearance for listed equipment.
18-28-917.4.2 Clearance for unlisted equipment.
18-28-917.4.3 Mounting on combustible floor.
18-28-917.4.3.1
18-28-917.4.3.2
18-28-917.4.4 Mounting on noncombustible floor.
18-28-917.4.5 Combustible material adjacent to cooking top.
18-28-917.4.6 For use with casters.
18-28-917.4.7 Level installation.
18-28-917.4.8 Ventilation.
18-28-917.5 Gas-fired food service equipment - counter appliances.
18-28-917.5.1 Vertical clearance.
18-28-917.5.2 Clearance for listed appliances.
18-28-917.5.3 Clearance for unlisted appliances.
18-28-917.5.4 Mounting of unlisted appliances.
18-28-917.6 Gas-fired hot plates.
18-28-917.6.1
18-28-917.6.2
18-28-917.6.3.
18-28-917.7 Gas-fired household cooking appliances.
18-28-917.7.1 Floor-mounted units.
18-28-917.7.1.1 Clearance from combustible material.
18-28-917.7.1.2 Vertical clearance above cooking top.
18-28-917.7.1.3 Level installation.
18-28-917.7.2 Built-in units.
18-28-917.7.2.1 Installation.
18-28-917.7.2.2 Vertical clearance.
18-28-917.7.2.3 Horizontal clearance.
18-28-917.7.2.4 Level installation.
18-28-917.8 Gas-fired open-top broiler units.
18-28-917.8.1 Listed units.
18-28-917.8.2 Unlisted units.
18-28-917.8.3 Protection above domestic units.
18-28-917.8.4 Commercial units.
18-28-918 Forced-Air Warm-Air Furnaces.
18-28-918.1 Forced-air furnaces.
18-28-918.2 Minimum duct sizes.
18-28-918.3 Heat pumps.
18-28-918.4 Dampers.
18-28-918.5 Circulating air ducts for forced-air warm-air furnaces.
18-28-918.6 Prohibited sources.
18-28-918.7 Outside opening protection.
18-28-918.8 Return-air limitation.
18-28-918.9 Gas-fired forced-air, warm-air furnaces.
18-28-918.9.1 General.
18-28-918.9.2.
18-28-918.9.3 Clearance.
18-28-918.9.3.1.
18-28-918.9.3.2.
18-28-918.9.3.3.
18-28-918.9.3.4.
18-28-918.9.3.5.
18-28-918.9.4 Assembly and installation.
18-28-918.9.4.1.
18-28-918.9.4.2.
18-28-918.9.4.3
18-28-918.9.5 Combustion and circulating air.
18-28-918.9.5.1.
18-28-918.9.6 Furnace plenums and air ducts.
18-28-918.9.6.1.
18-28-918.10 Gas-fired horizontal furnaces above dropped ceilings.
18-28-918.11 Gas-fired furnaces located above bathrooms, toilet rooms or bedrooms.
18-28-919 Conversion Burners.
18-28-919.1 Conversion burners.
18-28-920 Unit Heaters.
18-28-920.1 General.
18-28-920.2 Support.
18-28-920.3 Ductwork.
18-28-920.4 Gas-fired unit heaters.
18-28-920.4.1 Support.
18-28-920.4.2 Clearance.
18-28-920.4.2.1 Suspended-type unit heaters.
18-28-920.4.2.2 Floor-mounted-type unit heaters.
18-28-920.4.3 Combustion and circulating air.
18-28-920.4.4 Ductwork.
18-28-920.4.5 Installation in commercial garages.
18-28-920.4.5.1 Parking structures.
18-28-920.4.5.2 Repair garages.
18-28-920.4.6 Installation in aircraft hangars.
18-28-921 Vented Room Heaters.
18-28-921.1 General.
18-28-922 Kerosene and Oil-Fired Stoves.
18-28-922.1 General.
18-28-923 Small Ceramic Kilns.
18-28-923.1 General.
18-28-923.1.1 Installation.
18-28-924 Stationary Fuel Cell Power Plants.
18-28-924.1 General.
18-28-924.2 Natural gas energized fuel cell power plants.
18-28-925 Gas-Fired Air Conditioners.
18-28-925.1 Independent gas piping.
18-28-925.2 Connection of gas engine-powered air conditioners.
18-28-925.3 Clearances for indoor installation.
18-28-925.4 Assembly and installation.
18-28-925.5 Furnace plenums and air ducts.
18-28-926 Non-Recirculating Direct Gas-Fired Industrial Air Heaters.
18-28-926.1 Application.
18-28-926.2 Prohibited installations.
18-28-926.2.1
18-28-926.2.2
18-28-926.3 Installation.
18-28-926.3.1
18-28-926.3.2
18-28-926.3.3
18-28-926.3.4
18-28-926.4 Clearance from combustible materials.
18-28-926.5 Air supply.
18-28-926.6 Atmospheric vents or gas reliefs or bleeds.
18-28-926.7 Relief openings.
18-28-926.7.1
18-28-926.7.2
18-28-926.8 Purging.
18-28-927 Recirculating Direct Gas-Fired Industrial Air Heaters.
18-28-927.1 Application.
18-28-927.2 Prohibited installations.
18-28-927.2.1
18-28-927.2.2
18-28-927.3 Installation.
18-28-927.4 Clearance from combustible materials.
18-28-927.5 Air supply.
18-28-927.6 Atmospheric vents, gas reliefs, or bleeds.
18-28-927.7 Relief openings.
18-28-927.7.1
18-28-927.7.2
18-28-927.8 Purging.
18-28-928 Gas-Fired Illuminating Appliances.
18-28-928.1 Clearances for listed appliances.
18-28-928.2 Clearances for unlisted appliances.
18-28-928.2.1 Enclosed type.
18-28-928.2.2 Open-flame type.
18-28-928.3 Mounting on buildings.
18-28-928.4 Mounting on posts.
18-28-928.5 Gas appliance pressure regulators.
18-28-929 Appliances for Installation in Manufactured Housing.
18-28-929.1
Article X. Boilers, Water Heaters and Pressure Vessels (18-28-1001 et seq.)
Article XI. Refrigeration (18-28-1101 et seq.)
Article XII. Hydronic Piping (18-28-1200 et seq.)
Article XIII. Fuel Oil Piping and Storage (18-28-1301 et seq.)
Article XIV. Fuel-Gas Piping (18-28-1401 et seq.)
Article XV. Solar Systems (18-28-1501 et seq.)
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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18-28-926.2  Prohibited installations.
18-28-926.2.1
   Non-recirculating direct gas-fired industrial air heaters shall not serve any area containing sleeping quarters.
18-28-926.2.2
   Non-recirculating direct gas-fired industrial air heaters shall not recirculate room air.
18-28-926.3  Installation.
   Installation of direct gas-fired industrial air heaters shall comply with the following requirements:
18-28-926.3.1
   Non-recirculating direct gas-fired industrial air heaters shall be installed in accordance with manufacturer's instructions.
18-28-926.3.2
   Non-recirculating direct gas-fired industrial air heaters shall be installed only in industrial or commercial occupancies.
18-28-926.3.3
   Non-recirculating direct gas-fired industrial air heaters shall be permitted to provide fresh air ventilation.
18-28-926.3.4
   Non-recirculating direct gas-fired industrial air heaters shall be provided with access for removal of burners; replacement of motors, controls, filters and other working parts; and for adjustment and lubrication of parts requiring maintenance.
18-28-926.4  Clearance from combustible materials.
   Non-recirculating direct gas-fired industrial air heaters shall be installed with a clearance from combustible materials of not less than that shown on the rating plate and the manufacturer's instructions.

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