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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.)
Article 5. Water Heaters (18-29-501 et seq.)
Article 6. Water Supply and Distribution (18-29-601 et seq.)
18-29-601 General.
18-29-601.1 Scope.
18-29-601.2 Inspections and notices.
18-29-601.3 Access for inspections.
18-29-601.4 Solar energy utilization.
18-29-602 Water Required.
18-29-602.1 General.
18-29-602.1.1 Obligations of water consumers.
18-29-602.1.2 Obligations of water consumers - Private water mains on private property.
18-29-602.2 Potable water required.
18-29-602.3 Deliberately omitted.
18-29-602.4 Reserve water supply.
18-29-602.4.1 Installation of line valves or taps.
18-29-602.4.2 Dual meter settings.
18-29-603 Water Service.
18-29-603.1 Size of water service pipe and water meter.
18-29-603.1.1 Meter spreader connection.
18-29-603.1.2 Water service for fire protection systems.
18-29-603.1.3 Permit required.
18-29-603.2 Separation of water service and building sewer/drain.
18-29-603.2.1 Water supply systems installed near a sewer structure.
18-29-603.2.2 Reserved.
18-29-603.2.3 Backfill.
18-29-603.3 Metered service.
18-29-603.3.1 Authority.
18-29-603.3.2 Connection to metered service.
18-29-603.3.3 Licensed and bonded contractor.
18-29-603.3.4 Location.
18-29-603.3.5 Construction of meter vaults.
18-29-603.3.6 Installation of taps.
18-29-603.3.7 Plans accompany permit application.
18-29-603.3.8 Notification of wrecking buildings for terminating water service.
18-29-604 Design of Building Water Distribution System.
18-29-604.1 General.
18-29-604.2 System interconnection.
18-29-604.3 Water distribution system design criteria.
18-29-604.4 Maximum flow and water consumption.
18-29-604.4.1 WaterSense compliance.
18-29-604.4.2 Reserved.
18-29-604.5 Size of fixture supply.
18-29-604.5.1 Minimum size.
18-29-604.6 Variable street pressures.
18-29-604.7 Inadequate water pressure.
18-29-604.8 Water pressure reducing valve or regulator.
18-29-604.8.1 Reserved.
18-29-604.8.2 Repair and removal.
18-29-604.9 Water hammer.
18-29-604.9.1 Air chambers.
18-29-604.10 Size of water supply pipes.
18-29-604.10.1 Minimum sizes of branch distributing pipes for fixtures and appliances.
18-29-604.10.1.1 Demand load.
18-29-604.10.1.2 Size of piping.
18-29-604.10.1.3 Available pressure.
18-29-604.10.2 Procedures for calculating sizing.
18-29-604.11 Individual pressure balancing in-line valves for individual fixture fittings.
18-29-604.11.1 Reserved.
18-29-605 Materials, Joints and Connections.
18-29-605.1 Water compatibility.
18-29-605.2 Soil and ground water.
18-29-605.3 Lead content of water supply pipe and fittings.
18-29-605.3.1 Lead content of drinking water pipe and fittings.*
18-29-605.4 Water service pipe.
18-29-605.4.1 Materials for supply pipes and fittings.
18-29-605.5 Water distribution pipe.
18-29-605.6 Fittings.
18-29-605.7 Valves.
18-29-605.8 Manufactured pipe nipples.
18-29-605.9 Prohibited joints and connections.
18-29-605.10 Flexible water connectors.
18-29-605.11 Deliberately omitted.
18-29-605.12 Brass.
18-29-605.12.1 Brazed joints.
18-29-605.12.2 Mechanical joints.
18-29-605.12.3 Threaded joints.
18-29-605.12.4 Welded joints.
18-29-605.13 Gray iron and ductile iron joints.
18-29-605.14 Reserved.
18-29-605.14.1 Reserved.
18-29-605.14.2 Reserved.
18-29-605.14.3 Reserved.
18-29-605.14.4 Threaded joints.
18-29-605.14.5 Welded joints.
18-29-605.15 Copper tubing.
18-29-605.15.1 Brazed joints.
18-29-605.15.2 Flared joints.
18-29-605.15.3 Grooved and shouldered mechanical joints.
18-29-605.15.4 Mechanical joints.
18-29-605.15.5 Press-connect joints.
18-29-605.15.6 Soldered joints.
18-29-605.15.7 Push-fit fitting joints.
18-29-605.16 CPVC plastic.
18-29-605.16.1 Mechanical joints.
18-29-605.16.2 Solvent cementing.
18-29-605.16.3 Threaded joints.
18-29-605.17 Steel.
18-29-605.17.1 Threaded joints.
18-29-605.17.2 Mechanical joints.
18-29-605.18 Deliberately omitted.
18-29-605.19 Deliberately omitted.
18-29-605.20 Deliberately omitted.
18-29-605.21 Joints between different materials.
18-29-605.21.1 Copper or copper-alloy tubing to galvanized steel pipe.
18-29-605.22 Protection for pipes and fixtures.
18-29-605.23 Hydrants and non-freeze hydrants protection.
18-29-605.24 Water supply pipe protection.
18-29-605.25 Refrigerant condensers.
18-29-605.26 Dead-ends prohibited.
18-29-605.27 Air conditioning and refrigeration systems.
18-29-605.28 Permissible exceptions.
18-29-606 Installation of the Building Water Distribution System.
18-29-606.1 Location of full-open valves.
18-29-606.2 Location of shutoff valves.
18-29-606.3 Access to valves.
18-29-606.4 Valve identification.
18-29-606.5 Water pressure booster systems.
18-29-606.5.1 Hydropneumatic system, booster pump system, gravity tank.
18-29-606.5.1.1 Requirements.
18-29-606.5.1.1.1 Pressure relief valve.
18-29-606.5.1.1.2 Compression tank.
18-29-606.5.1.1.3 Sludge drain pipe.
18-29-606.5.1.2 Booster pump system.
18-29-606.5.1.2.1 Gravity tanks.
18-29-606.5.1.2.2 Total pressure.
18-29-606.5.1.2.3 Low pressure cutoff.
18-29-606.5.2 Surge tank for pumps.
18-29-606.5.3 Check valves required.
18-29-606.5.3.1 Approval required.
18-29-606.5.4 Equipment required for tanks receiving city water.
18-29-606.5.4.1 Sludge drain pipe.
18-29-606.5.4.2 Size.
18-29-606.5.4.3 Covers and support.
18-29-606.5.5 Recycling system for vehicle wash installations.
18-29-606.5.6 Potable water inlet control and location.
18-29-606.5.7 Tank drain pipes.
18-29-606.5.8 Prohibited location of potable supply tanks.
18-29-606.5.9 Pressure relief valve requirements.
18-29-606.5.10 Pressure relief valves for hydropneumatic tanks.
18-29-606.6 Test of distribution pipes.
18-29-607 Hot Water Supply System.
18-29-607.1 Where required.
18-29-607.1.1 Temperature limiting means.
18-29-607.1.2 Tempered water temperature control.
18-29-607.1.2.1 Reserved.
18-29-607.2 Hot or tempered water supply to fixtures.
18-29-607.2.1 Circulation systems and heat trace systems for maintaining heated water temperature in distribution systems.
18-29-607.2.1.1 Pump controls for hot water storage system.
18-29-607.2.1.2 Demand recirculation controls for distribution systems.
18-29-607.2.1A Reserved.
18-29-607.2.2 Piping for recirculation systems having temperature-actuated mixing valves.
18-29-607.3 Thermal expansion control.
18-29-607.3.1 Reserved.
18-29-607.3.2 Reserved.
18-29-607.4 Flow of hot water to fixtures.
18-29-607.5 Insulation of piping.
18-29-607.6 Expansion joints.
18-29-608 Protection of Potable Water Supply.
18-29-608.1 General.
18-29-608.2 Plumbing fixtures.
18-29-608.3 Water supply pipes.
18-29-608.3.1 Special equipment, water supply protection.
18-29-608.4 Deliberately omitted.
18-29-608.5 Secondary water.
18-29-608.6 Prohibited use of secondary water.
18-29-608.6.1 Private water supplies.
18-29-608.7 Stop-and-waste valves prohibited.
18-29-608.8 Identification of potable and nonpotable water.
18-29-608.9 Re-utilization prohibited.
18-29-608.10 Reuse of piping.
18-29-608.11 Painting of water tanks.
18-29-608.12 Pumps and other appliances.
18-29-608.13 Backflow protection.
18-29-608.13.1 Air gap.
18-29-608.13.2 Reduced pressure principle backflow preventers.
18-29-608.13.3 Backflow preventer with intermediate atmospheric vent.
18-29-608.13.4 Barometric loop.
18-29-608.13.5 Atmospheric-type vacuum breakers.
18-29-608.13.6 Double check-valve assemblies.
18-29-608.14 Location of backflow preventers.
18-29-608.15 Protection of potable water outlets.
18-29-608.16 Connections to the potable water system.
18-29-608.16.1 Beverage carbonator.
18-29-608.16.1.1 Backflow preventer.
18-29-608.16.2 High-pressure steam boilers.
18-29-608.16.3 Connections to automatic fire sprinkler systems and standpipe systems.
18-29-608.16.4 Fire protection equipment, risers, standpipes, tanks to be drained and flushed.
18-29-608.16.5 Fire-extinguishing equipment cross-connection.
18-29-608.16.5.1 Prohibitions.
18-29-608.16.6 Chemical or petroleum pressure vessels.
18-29-608.16.6.1 Chemical or petroleum pressure vessels.
18-29-608.16.6.2 Water flushing or cooling.
18-29-608.16.6.3 Chemical, contaminated water, or sewage lines or vessels.
18-29-608.16.7 Deliberately omitted.
18-29-608.16.8 Portable cleaning equipment.
18-29-608.16.9 Dental pump equipment.
18-29-608.17 Private water supplies.
18-29-608.17.1 Well locations.
18-29-608.17.1.1 Distances.
18-29-608.17.1.2 Direct connections.
18-29-609 Health Care Plumbing.
18-29-609.1 General.
18-29-609.1.1 Where required.
18-29-609.2 Water service.
18-29-609.3 Hot water.
18-29-609.4 Vacuum breaker installation.
18-29-609.5 Prohibited water closet and clinical sink supply.
18-29-609.6 Clinical, hydrotherapeutic and radiological equipment.
18-29-609.7 Condensate drain trap seal.
18-29-609.8 Valve leakage diverter.
18-29-610 Disinfection of Potable Water System.
18-29-610.1 Scope.
18-29-611 Water Treatment Units.
18-29-611.1 Design.
18-29-611.2 Reverse osmosis systems.
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
CHICAGO ZONING ORDINANCE AND LAND USE ORDINANCE
TITLE 16 LAND USE
TITLE 17 CHICAGO ZONING ORDINANCE
18-29-605.17 Steel.
   Joints between galvanized steel pipe or fittings shall comply with Sections 18-29-605.17.1 and 18-29-605.17.2.
18-29-605.17.1 Threaded joints.
   Threads shall conform to ASME B1.20.1. Pipe- joint compound or tape shall be applied on the male threads only.
18-29-605.17.2 Mechanical joints.
   Joints shall be made with an approved elastomeric seal. Mechanical joints shall be installed in accordance with the manufacturer's instructions.
18-29-605.18 Deliberately omitted.
18-29-605.19 Deliberately omitted.
18-29-605.20 Deliberately omitted.
18-29-605.21 Joints between different materials.
   Joints between different piping materials shall be made with a mechanical joint of the compression or mechanical-sealing type, or as permitted in Section 18-29-605.21.1.

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