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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
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
14B-7-717 Ducts and air transfer openings.
The provisions of Section 717 of IBC are adopted by reference with the following modifications:
1.   Revise the title of Section 717.1.1 to "Transfer ducts."
2.   Delete Section 717.2.1.
3.   Revise the first sentence of Section 717.4 to read:
"Fire and smoke dampers shall be provided with a means of access that is large enough to allow inspection and maintenance of the damper and its operating parts."
4.   Revise Section 717.5.1 to read:
"717.5.1 Fire walls.
Ducts and air transfer openings permitted in fire walls in accordance with Section 706.11 shall be protected with listed 3-hour-rated fire dampers installed on both sides of the fire wall in accordance with their listing."
5.   Revise exception 2 to Section 717.5.2 by replacing "an approved" with "a."
6.   Revise Section 717.5.3 by replacing "fire and smoke dampers" with "fire dampers."
7.   Delete exceptions 2, 3 and 4 to Section 717.5.2.
8.   Revise exception 5 to Section 717.5.2 to read:
"5.   Fire dampers are not required in kitchen and clothes dryer exhaust systems."
9.   Revise Section 717.5.4 by replacing "Ducts and air transfer openings" with "Air transfer openings."
10.   Delete the exceptions to Section 717.5.4.
11.   Delete Section 717.5.4.1.
12.   Revise Section 717.5.5 by replacing "at each point" with "adjacent to each point."
13.   Add a new exception to Section 717.5.6 to read:
"Exception: Fire dampers are not required in residential kitchen and clothes dryer exhaust systems."
14.   Delete Section 717.5.7.
15.   Revise Section 717.6.1 by deleting "approved."
16.   Revise the exception to Section 717.6.1 by replacing "three floors" with "four floors."
17.   Revise Section 717.6.2 by deleting "approved."
18.   Revise Section 717.6.3 to read:
"717.6.3 Nonfire-resistance-rated floor assemblies.
Duct systems constructed of materials in accordance with the Chicago Mechanical Code that penetrate nonfire- resistance-rated floor assemblies shall be protected by any of the following methods:
1.   A shaft enclosure in accordance with Section 713.
2.   The annular space around the penetrating duct is protected with a noncombustible material that resists the free passage of flame and the products of combustion.
Exception: Fire dampers are not required in ducts within individual residential dwelling units."
19.   Add a new exception to Section 717.7.
"Exception: Within individual Group R dwelling units or sleeping units."

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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