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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
18-29-608.13 Backflow protection.
   Means of protection against backflow shall be provided in accordance with Sections 18-29-608.13.1 through 18-29-608.13.6.
18-29-608.13.1 Air gap.
   The minimum required air gap shall be measured vertically from the lowest end of a potable water outlet to the flood level rim of the fixture or receptacle into which such potable water outlet discharges.
18-29-608.13.2 Reduced pressure principle backflow preventers.
   Reduced pressure principle backflow preventers shall conform to ASSE 1013, AWWA C511 or CSA CAN/CSA B64.4. These devices shall be permitted to be installed in areas subject to continuous pressure conditions. The relief opening shall discharge by air gap and shall be prevented from being submerged.
18-29-608.13.3 Backflow preventer with intermediate atmospheric vent.
   Backflow preventers with intermediate atmospheric vents shall conform to ASSE 1012 or CSA CAN/CSA B64.3. These devices shall be permitted to be installed in areas subject to continuous pressure conditions. The relief opening shall discharge by air gap and shall be prevented from being submerged.
18-29-608.13.4 Barometric loop.
   Barometric loops shall precede the point of connection and shall extend vertically to a height of 35 feet (10.67 m). A barometric loop shall only be utilized as an atmospheric-type or pressure-type vacuum breaker.
18-29-608.13.5 Atmospheric-type vacuum breakers.
   Pipe-applied atmospheric-type vacuum breakers shall conform to ASSE 1001 or CSA CAN/CSA B64.1.1. Hose-connection vacuum breakers shall conform to ASSE 1011, CSA CAN/CSA B64.2, ASSE 1019, CSA CAN/CSA B64.2.2, ASSE 1035, CSA B64.7 or ASSE 1052. These devices shall operate wider normal atmospheric pressure when the critical level is installed at the required height.
18-29-608.13.6 Double check-valve assemblies.
   Double check-valve assemblies shall conform to ASSE 1015 or AWWA C510. Double-detector check-valve assemblies shall conform to ASSE 1048. These devices shall be capable of operating under continuous pressure conditions.

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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