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Chicago Overview
Municipal Code of Chicago
MUNICIPAL CODE OF CHICAGO
TITLE 1 GENERAL PROVISIONS
TITLE 2 CITY GOVERNMENT AND ADMINISTRATION
TITLE 3 REVENUE AND FINANCE
TITLE 4 BUSINESSES, OCCUPATIONS AND CONSUMER PROTECTION
TITLE 5 HOUSING AND ECONOMIC DEVELOPMENT
TITLE 6 HUMAN RIGHTS*
TITLE 7 HEALTH AND SAFETY
TITLE 8 OFFENSES AFFECTING PUBLIC PEACE, MORALS AND WELFARE
TITLE 9 VEHICLES, TRAFFIC AND RAIL TRANSPORTATION
TITLE 10 STREETS, PUBLIC WAYS, PARKS, AIRPORTS AND HARBORS
TITLE 11 UTILITIES AND ENVIRONMENTAL PROTECTION
TITLE 12 RESERVED
TITLE 13 BUILDINGS AND CONSTRUCTION
TITLE 14 RESERVED*
TITLE 14A ADMINISTRATIVE PROVISIONS OF THE CHICAGO CONSTRUCTION CODES*
TITLE 14B BUILDING CODE*
TITLE 14C CONVEYANCE DEVICE CODE*
TITLE 14E ELECTRICAL CODE*
TITLE 14F FIRE PREVENTION CODE*
TITLE 14G FUEL GAS CODE*
TITLE 14M MECHANICAL CODE*
TITLE 14N 2022 ENERGY TRANSFORMATION CODE*
TITLE 14P PLUMBING CODE*
TITLE 14R BUILDING REHABILITATION CODE*
TITLE 14X MINIMUM REQUIREMENTS FOR EXISTING BUILDINGS*
TITLE 15 FIRE PREVENTION
TITLE 16 LAND USE
TITLE 17 CHICAGO ZONING ORDINANCE
TITLE 18 BUILDING INFRASTRUCTURE
CHAPTER 18-11 RESERVED*
CHAPTER 18-13 RESERVED*
CHAPTER 18-14 BUILDING ENERGY USE BENCHMARKING
CHAPTER 18-27 RESERVED*
CHAPTER 18-28 MECHANICAL SYSTEMS*
CHAPTER 18-29 PLUMBING*
Article 1. Administration (18-29-101 et seq.)
Article 2. Definitions (18-29-201 et seq.)
Article 3. General Regulations (18-29-301 et seq.)
Article 4. Fixtures, Faucets and Fixture Fittings (18-29-401 et seq.)
18-29-401 General.
18-29-401.1 Scope.
18-29-401.2 Prohibited fixtures and connections.
18-29-401.3 Water conservation.
18-29-401.4 Reserved.
18-29-401.5 Reserved.
18-29-401.6 Conflicts.
18-29-402 Fixture Materials.
18-29-402.1 Quality of fixtures.
18-29-402.1.1 Used fixtures.
18-29-402.2 Materials for specialty fixtures.
18-29-402.3 Sheet copper.
18-29-402.4 Sheet lead.
18-29-402.5 Fixture strainer.
18-29-402.6 Fixture overflow.
18-29-403 Minimum Plumbing Facilities.
18-29-403.1 Minimum number of fixtures.
18-29-403.1.1 Number of occupants.
18-29-403.1.2 Minimum fixture calculations.
18-29-403.1.3 Single-user toilet rooms and bathing rooms.
18-29-403.1.3.1 Signage.
18-29-403.1.3.2 Lock.
18-29-403.1.3.3 Enclosure.
18-29-403.1.3.4 Waste receptacle.
18-29-403.1.4 Lavatory distribution.
18-29-403.2 Separate facilities.
18-29-403.2.1 Nonseparate facilities.
18-29-403.2.1.1 Number of fixtures.
18-29-403.2.1.2 Water closet compartments.
18-29-403.2.1.2.1 Enclosure.
18-29-403.2.1.2.2 Lock.
18-29-403.2.1.2.3 Waste receptacle.
18-29-403.2.1.3 Urinals.
18-29-403.2.1.4 Proximity to single-user toilet room.
18-29-403.2.1.5 Entrance.
18-29-403.3 Public and employee toilet facilities.
18-29-403.3.1 Access.
18-29-403.3.2 Prohibited location.
18-29-403.3.3 Location.
18-29-403.3.4 Reserved.
18-29-403.3.5 Pay facilities.
18-29-403.3.6 Door locking.
18-29-403.4 Reserved.
18-29-403.5 Drinking fountain location.
18-29-403.6 Service sink location.
18-29-403.6.1 Reserved.
18-29-403.6.1.1 Reserved.
18-29-403.7 Community toilet facilities.
18-29-403.8 Reserved.
18-29-403.9 Reserved.
18-29-404 Accessible Plumbing Facilities.
18-29-404.1 Where required.
18-29-404.2 Accessible fixture requirements.
18-29-405 Installation of Fixtures.
18-29-405.1 Water supply protection.
18-29-405.2 Access for cleaning.
18-29-405.2.1 Reserved.
18-29-405.2.2 Reserved.
18-29-405.3 Setting.
18-29-405.3.1 Water closets, lavatories and bidets.
18-29-405.3.2 Access to lavatories.
18-29-405.3.3 Location of fixtures and piping.
18-29-405.3.4 Water closet compartment.
18-29-405.3.5 Urinal partitions.
18-29-405.4 Floor and wall drainage connections.
18-29-405.4.1 Floor flanges.
18-29-405.4.1.1 Hard lead floor flanges.
18-29-405.4.2 Securing floor outlet fixtures.
18-29-405.4.3 Securing wall-hung water closet bowls.
18-29-405.5 Water-tight joints.
18-29-405.6 Plumbing in mental health centers.
18-29-405.7 Design of overflows.
18-29-405.7.1 Connection of overflows.
18-29-405.8 Access to concealed connections.
18-29-406 Automatic Clothes Washers.
18-29-406.1 Water connection.
18-29-406.2 Waste connection.
18-29-406.3 Reserved.
18-29-407 Bathtubs.
18-29-407.1 Approval.
18-29-407.2 Bathtub waste outlets.
18-29-407.3 Glazing.
18-29-408 Bidets.
18-29-408.1 Approval.
18-29-408.2 Water connection.
18-29-409 Dishwashing Machines.
18-29-409.1 Approval.
18-29-409.2 Water connection.
18-29-409.2.1 Reserved.
18-29-409.2.2 Reserved.
18-29-409.3 Waste connection.
18-29-409.3.1 Reserved.
18-29-409.4 Residential dishwasher waste connection.
18-29-410 Drinking Fountains.
18-29-410.1 Approval.
18-29-410.2 Reserved.
18-29-410.3 Accessible drinking fountains.
18-29-410.4 Substitution.
18-29-410.5 Prohibited location.
18-29-411 Emergency Showers and Eyewash Stations.
18-29-411.1 Water connection.
18-29-411.2 Waste connection.
18-29-412 Floor and Trench Drains.
18-29-412.1 Approval.
18-29-412.2 Floor drains.
18-29-412.3 Size of floor drains.
18-29-412.4 Where required.
18-29-412.4.1 Reserved.
18-29-412.4.2 Reserved.
18-29-412.4.3 Reserved.
18-29-412.4.4 Reserved.
18-29-412.4.5 Reserved.
18-29-412.4.6 Reserved.
18-29-412.4.7 Reserved.
18-29-412.4.8 Reserved.
18-29-412.4.9 Reserved.
18-29-412.5 Floor slope.
18-29-413 Food Waste Disposer Units.
18-29-413.1 Approval.
18-29-413.2 Domestic food waste disposer waste outlets.
18-29-413.3 Commercial food waste disposer waste outlets.
18-29-413.4 Water supply required.
18-29-414 Garbage Can Washers.
18-29-414.1 Water connection.
18-29-414.2 Waste connection.
18-29-415 Laundry Trays.
18-29-415.1 Approval.
18-29-415.2 Waste outlet.
18-29-416 Lavatories.
18-29-416.1 Approval.
18-29-416.2 Cultured marble lavatories.
18-29-416.3 Lavatory waste outlets.
18-29-416.4 Movable lavatory systems.
18-29-416.5 Tempered water for public handwashing facilities.
18-29-417 Showers.
18-29-417.1 Approval.
18-29-417.2 Water supply riser.
18-29-417.3 Shower waste outlet.
18-29-417.4 Shower compartments.
18-29-417.4.1 Deliberately omitted.
18-29-417.4.2 Wall area.
18-29-417.4.3 Shower installation.
18-29-417.4.4 Water temperature safety.
18-29-417.4.5 Dimensions.
18-29-417.4.6 Materials.
18-29-417.4.7 Public or institution showers.
18-29-417.5 Shower floor or receptors.
18-29-417.5.1 Support.
18-29-417.5.2 Deliberately omitted.
18-29-417.6 Glazing.
18-29-418 Sinks.
18-29-418.1 Approval.
18-29-418.2 Sink waste outlets.
18-29-418.2.1 Facilities with no range oven.
18-29-418.3 Movable sink systems.
18-29-419 Urinals.
18-29-419.1 Approval.
18-29-419.2 Substitution for water closets.
18-29-419.3 Urinals for public or employee toilet facilities.
18-29-419.4 Surrounding material.
18-29-420 Water Closets.
18-29-420.1 Approval.
18-29-420.2 Water closets for public or employee toilet facilities.
18-29-420.3 Water closet seats.
18-29-420.4 Water closet connections.
18-29-420.5 Deliberately omitted.
18-29-420.6 Chemical closets.
18-29-420.7 Reserved.
18-29-421 Whirlpool Bathtubs.
18-29-421.1 Approval.
18-29-421.2 Installation.
18-29-421.3 Drain.
18-29-421.4 Suction fittings.
18-29-422 Health Care Fixtures and Equipment.
18-29-422.1 Scope.
18-29-422.2 Deliberately omitted.
18-29-422.3 Deliberately omitted.
18-29-422.4 Deliberately omitted.
18-29-422.5 Deliberately omitted.
18-29-422.6 Deliberately omitted.
18-29-422.7 Deliberately omitted.
18-29-422.8 Deliberately omitted.
18-29-422.9 Sterilizer equipment requirements.
18-29-422.9.1 Sterilizer piping.
18-29-422.9.2 Steam supply.
18-29-422.9.3 Steam condensate return.
18-29-422.9.4 Condensers.
18-29-422.10 Special elevations.
18-29-423 Specialty Plumbing Fixtures.
18-29-423.1 Water connections.
18-29-423.2 Approval.
18-29-423.3 Footbaths and pedicure baths.
18-29-424 Faucets and Fixture Fittings.
18-29-424.1 Approval.
18-29-424.1.1 Faucets and supply fittings.
18-29-424.1.2 Waste fittings.
18-29-424.2 Hand showers.
18-29-424.3 Individual shower valves.
18-29-424.4 Multiple (gang) showers.
18-29-424.5 Bathtub and whirlpool bathtub valves.
18-29-424.6 Hose-connected outlets.
18-29-424.7 Temperature-actuated, flow-reduction devices for individual fixture fittings.
18-29-424.8 Transfer valves.
18-29-424.9 Water closet personal hygiene devices.
18-29-424.10 Head shampoo sink faucets.
18-29-424.11 Prerinse spray valve.
18-29-425 Flushing Devices for Water Closets and Urinals.
18-29-425.1 Flushing devices required.
18-29-425.1.1 Separate for each fixture.
18-29-425.2 Flushometer valves and tanks.
18-29-425.3 Flush tanks.
18-29-425.3.1 Ball cocks.
18-29-425.3.2 Overflows in flush tanks.
18-29-425.3.3 Sheet copper.
18-29-425.3.4 Access required.
18-29-425.4 Flush pipes and fittings.
18-29-426 Floor Sinks.
18-29-426.1 Approval.
Article 5. Water Heaters (18-29-501 et seq.)
Article 6. Water Supply and Distribution (18-29-601 et seq.)
Article 7. Sanitary Drainage (18-29-701 et seq.)
Article 8. Indirect/Special Waste (18-29-801 et seq.)
Article 9. Vents (18-29-901 et seq.)
Article 10. Traps, Separators and Interceptors (18-29-1001 et seq.)
Article 11. Storm Drainage (18-29-1101 et seq.)
Article 12. Swimming Pools and Other Swimming Facilities* (18-29-1201 et seq.)
Article 13. Referenced Standards
Appendix A Procedures for Calculating the Minimum Sizing of the Water Supply System
CHAPTER 18-30 RESERVED*
CHAPTER 18-31 RESERVED*
CHAPTER 18-32 RESERVED*
CHAPTER 18-36 REFERENCE STANDARDS*
APPENDIX TO THE MUNICIPAL CODE OF CHICAGO (RESERVED)*
TABLES
Chicago Zoning Ordinance and Land Use Ordinance
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18-29-405.3.2 Access to lavatories.
   In public and employee toilet facilities, there shall not be more than one door between a required water closet and the nearest lavatory.
(Amend Coun. J. 10-14-21, p. 37722, Art. IV, § 11)
18-29-405.3.3 Location of fixtures and piping.
   Piping, fixtures or equipment shall not be located in such a manner as to interfere with the normal operation of windows, doors or other means of egress openings.
(Added Coun. J. 10-14-21, p. 37722, Art. IV, § 11)
18-29-405.3.4 Water closet compartment.
   Each water closet utilized by the public or employees shall occupy a separate compartment with walls or partitions and a door enclosing the fixtures to ensure privacy. Windows or glazing shall be obscured to provide privacy to the occupant.
   Exceptions:
      1.    Water closet compartments shall not be required in a single-user toilet room.
      2.   Child-sized water closets in child day care facilities and educational occupancies intended for children under six years of age shall be permitted to be separated from each other and from other areas by partitions at least 4 feet (1220 mm) high and lavatories shall be permitted to be located in adjacent common areas.
      3.   This provision is not applicable to toilet areas located within Group I-3 housing areas.
(Added Coun. J. 10-14-21, p. 37722, Art. IV, § 11)
18-29-405.3.5 Urinal partitions.
   Each urinal utilized by the public or employees shall occupy a separate area with walls or partitions to provide privacy. The horizontal dimension between walls or partitions at each urinal shall be not less than 30 inches (762 mm). The walls or partitions shall begin at a height not greater than 12 inches (305 mm) from and extend not less than 60 inches (1524 mm) above the finished floor surface. The walls or partitions shall extend from the wall surface at each side of the urinal not less than 18 inches (457 mm) measured from the finished backwall surface or to a point not less than 6 inches (152 mm) beyond the outermost front lip of the urinal, whichever is greater.
(Added Coun. J. 10-14-21, p. 37722, Art. IV, § 11)
18-29-405.4 Floor and wall drainage connections.
   Connections between the drain and floor outlet plumbing fixtures shall be made with a floor flange. The flange shall be attached to the drain and anchored to the structure. Connections between the drain and wall-hung water closets shall be made with an approved extension nipple or horn adapter. The water closet shall be bolted to the hanger with corrosion-resistant bolts or screws. Joints shall be sealed with an approved elastomeric gasket or setting compound conforming to FS TT- P-1536a.
18-29-405.4.1 Floor flanges.
   Floor flanges for water closets or similar fixtures shall be not less than 1/8 inch (3 mm) thick for brass, 1/4 inch (6 mm) thick for plastic, and 1/4 inch (6 mm) thick and not less than a 2-inch (50 mm) caulking depth for cast-iron or galvanized malleable iron.
18-29-405.4.1.1 Hard lead floor flanges.
   Floor flanges of hard lead shall weigh not less than 1 pound 9 ounces (0.7 kg) and shall be composed of lead alloy with not less than 7.75 percent antimony by weight. Closet screws and bolts shall be of brass. Flanges shall be secured to the building structure with corrosion-resistant screws or bolts.
18-29-405.4.2 Securing floor outlet fixtures.
   Floor outlet fixtures shall be secured to the floor or floor flanges by screws or bolts of corrosion-resistant material.
18-29-405.4.3 Securing wall-hung water closet bowls.
   Wall-hung water closet bowls shall be supported by a concealed metal carrier that is attached to the building structural members so that strain is not transmitted to the closet connector or any other part of the plumbing system. The carrier shall conform to ASME A112.6.1.
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