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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
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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
18-29-904.1.3 Reserved.
(Added Coun. J. 10-14-21, p. 37722, Art. IX, § 3)
18-29-904.1.4 Sidewall vent terminal.
   Vent terminals extending through the wall shall terminate not less than 10 feet (3048 mm) from the nearest abutting lot line and 10 feet (3048 mm) above the highest adjacent grade within 10 feet (3048 mm) horizontally of the vent terminal. Vent terminals shall not terminate under the overhang of a structure with soffit vents. Sidewall vent terminals shall be protected to prevent birds and rodents from entering and blocking the vent opening.
(Added Coun. J. 10-14-21, p. 37722, Art. IX, § 3; Amend Coun. J. 12-14-22, p. 58278, Art. VI, § 18)
18-29-904.2 Frost closure.
   Every vent extension through a roof or wall shall be a minimum of 4 inches (100 mm) in diameter. Any increase in the size of the vent shall be made a minimum of 1 foot (305 mm) inside the thermal envelope of the building.
(Amend Coun. J. 10-14-21, p. 37722, Art. IX, § 3)
18-29-904.3 Flashings.
   The juncture of each vent pipe with the roof line shall be made water tight by an approved flashing.
18-29-904.4 Prohibited use.
   Vent terminals shall not be used as a flag pole or to support flag poles, TV aerials or similar items, or for any purpose other than a vent terminal.
(Amend Coun. J. 10-14-21, p. 37722, Art. IX, § 3)
18-29-904.5 Location of vent terminal.
   An open vent terminal from a drainage system shall not be located directly beneath a door, openable window, overhead or other ventilating intake opening of the building or of an adjacent building, nor shall any such vent terminals be within 10 feet (3.05 m) horizontally of such an opening unless the vent terminal is at least 3 feet (914 mm) above the top of such opening.
(Amend Coun. J. 10-14-21, p. 37722, Art. IX, § 3)
18-29-904.6 Extension outside a structure.
   Vent pipes installed on the exterior of a structure shall be protected against freezing by insulation, heat or both.
(Amend Coun. J. 10-14-21, p. 37722, Art. IX, § 3)
18-29-905 Vent Connections and Grades.

Disclaimer: This Code of Ordinances and/or any other documents that appear on this site may not reflect the most current legislation adopted by the Municipality. American Legal Publishing provides these documents for informational purposes only. These documents should not be relied upon as the definitive authority for local legislation. Additionally, the formatting and pagination of the posted documents varies from the formatting and pagination of the official copy. The official printed copy of a Code of Ordinances should be consulted prior to any action being taken. For further information regarding the official version of any of this Code of Ordinances or other documents posted on this site, please contact the Municipality directly or contact American Legal Publishing toll-free at 800-445-5588.

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