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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.)
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.)
18-29-901 General.
18-29-901.1 Scope.
18-29-901.2 Trap seal protection.
18-29-901.2.1 Venting required.
18-29-901.3 Chemical waste vent system.
18-29-901.4 Use limitations.
18-29-901.5 Tests.
18-29-901.6 Protection from freezing.
18-29-902 Materials.
18-29-902.1 Vents.
18-29-902.2 Sheet copper.
18-29-902.3 Sheet lead.
18-29-903 Vent Stacks and Stack Vents.
18-29-903.1 Main vent required.
18-29-903.2 Vent stack required.
18-29-903.3 Vent termination.
18-29-903.4 Vent connection at base.
18-29-903.5 Vent headers.
18-29-904 Vent Terminals.
18-29-904.1 Vent terminals required.
18-29-904.1.1 Roof extension unprotected.
18-29-904.1.2 Occupiable rooftop.
18-29-904.1.3 Reserved.
18-29-904.1.4 Sidewall vent terminal.
18-29-904.2 Frost closure.
18-29-904.3 Flashings.
18-29-904.4 Prohibited use.
18-29-904.5 Location of vent terminal.
18-29-904.6 Extension outside a structure.
18-29-905 Vent Connections and Grades.
18-29-905.1 Connection.
18-29-905.2 Grade.
18-29-905.3 Vent connection to drainage system.
18-29-905.4 Vertical rise of vent.
18-29-905.5 Height above fixtures.
18-29-905.6 Side inlet.
18-29-905.7 Vent for future fixtures.
18-29-906 Fixture Vents.
18-29-906.1 Distance of trap from vent.
18-29-906.2 Venting of fixture drains.
18-29-906.3 Crown vent.
18-29-907 Individual Vent.
18-29-907.1 Individual vent permitted.
18-29-908 Common Vent.
18-29-908.1 Individual vent as common vent.
18-29-908.2 Connection at the same level.
18-29-908.3 Connection of different levels.
18-29-909 Deliberately omitted.
18-29-910 Deliberately omitted.
18-29-911 Deliberately omitted.
18-29-912 Combination Drain and Vent System.
18-29-912.1 Type of fixtures.
18-29-912.2 Waste piping and trap.
18-29-912.2.1 Branches.
18-29-912.2.2 Sinks, lavatories, and other fixtures.
18-29-912.2.3 Long mains.
18-29-912.2.4 Floor drains.
18-29-912.3 Size.
18-29-913 Island Fixture Venting.
18-29-913.1 Limitation.
18-29-913.2 Vent connection.
18-29-913.3 Vent installation below the fixture flood level rim.
18-29-914 Relief Vents - Stacks of More Than 10 Branch Intervals.
18-29-914.1 Where required.
18-29-914.2 Size and connection.
18-29-915 Vents for Stack Offsets.
18-29-915.1 Vent for horizontal offset of drainage stack.
18-29-915.2 Upper section.
18-29-915.3 Lower section.
18-29-916 Vent Pipe Sizing.
18-29-916.1 Size of stack vents and vent stacks.
18-29-916.2 Vents other than stack vents or vent stacks.
18-29-916.3 Developed length.
18-29-916.4 Multiple branch vents.
18-29-916.4.1 Reserved.
18-29-916.5 Sump vents.
18-29-916.5.1 Sewage pumps and sewage ejectors other than pneumatic.
18-29-916.5.2 Pneumatic sewage ejectors.
18-29-917 Vents Not Required.
18-29-917.1 Not required.
18-29-918 Deliberately omitted.
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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18-29-805.7 Analyses.
   All analyses to determine the strength and character of industrial wastes shall be made in accordance with the latest edition of "Standard Methods for Examination of Water and Waste Water" prepared and published jointly by the American Public Health Association, American Water Works Association and Water Pollution Control Federation. Strength, character and quantity of wastes shall be based on any appropriate samples taken from the flow from all plant outlets discharging into a single public sewer.
18-29-805.7.1 Preliminary treatment.
   The building commissioner shall require the owner, operator or tenant of such industrial plant or other establishment to provide adequate preliminary treatment of handling facilities to accomplish such a result. Before any permit for the construction of preliminary treatment of handling facilities shall be issued, plans, specifications and other pertinent data or information relating to such proposed treatment or handling facilities shall be submitted by the industry for approval of said commissioner, and no construction of such facilities shall be commenced without the prior written approval of said commissioner and no substantial alteration or addition to or in the sewer or drain or in the preliminary treatment or handling facilities shall be made without the prior written approval of said commissioner.
18-29-805.7.2 Written approval.
   No permit shall be issued and no construction of such facilities shall be commenced without the prior written approval of the commissioner of water management and no substantial alteration or addition to or in the sewer or drain or in the preliminary treatment or handling facilities shall be made without the prior written approval of said commissioner.
(Amend Coun. J. 11-8-12, p. 38872, § 367)
Article 9. Vents (18-29-901 et seq.)
18-29-901 General.
18-29-901.1 Scope.
   The provisions of this article shall govern the materials, design, construction and installation of vent systems.
18-29-901.2 Trap seal protection.
   The plumbing system shall be provided with a system of vent piping that will permit the admission or emission of air so that the seal of any fixture trap shall not be subjected to a pneumatic pressure differential of more than 1 inch (25 mm) of water (249 Pa).
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