FIRE PROTECTION AND LIFE SAFETY SYSTEMS

Municipal Code of Chicago tit. 14B, ch. 14B-9

in effect

Municipal Code of Chicago § 14B-9-901 General.

14B-9-901 General. The provisions of Section 901 of IBC are adopted by reference with the following modifications: 1. Add a new Section 901.1.1 to read: "901.1.1 Modification of reference standards. The fire code official shall be authorized to promulgate rules, not inconsistent with this code, which modify the following referenced standards for the design of fire protection systems for consistency with existing installations and the operations of the Chicago Fire Department: NFPA 10, NFPA 13, NFPA 13D, NFPA 13R, NFPA 14, NFPA 20, NFPA 25, NFPA 72 and NFPA 92. Where the fire code official has promulgated such rules and posted them on the city's public web site, references to such standards in the Chicago Construction Codes shall mean such standards as modified by the fire code official's rules. 1.1. Revise Section 901.2 by replacing "reduction to the provisions" with "reduction under the provisions." 2. Revise Section 901.3 to read: "901.3 Modifications. It is unlawful for any person to remove, modify or disable for more than 24 hours any automatic sprinkler system, automatic fire-extinguishing system, standpipe system or fire pump installed or maintained under the provisions of this code or the Chicago Fire Prevention Code without a permit from the fire code official. It is unlawful for any person to remove, modify or disable for more than 24 hours a fire alarm and detection system, smoke control system or carbon monoxide detection system without a permit from the building official. It is unlawful for any person to modify a fire command center without approval by the fire code official and a permit from the building official." 3. Revise Section 901.4 by replacing "local fire department" with "Chicago Fire Department." 4. Revise Section 901.5 to read: "901.5 Acceptance tests. Fire protection systems shall be tested in accordance with the requirements of this code and the Chicago Fire Prevention Code. Where required, the tests shall be conducted in the presence of the fire code official. Tests required by this code, the Chicago Fire Prevention Code and the standards listed in this code shall be conducted at the expense of the owner. It shall be unlawful to occupy portions of a structure until the required fire protection systems within that portion of the structure have been tested and accepted." 5. Revise Section 901.6 and its subsections to read: "901.6 Supervisory service. Where required, fire protection systems shall be monitored by a supervising station in accordance with NFPA 72 or connected to a city fire alarm box in accordance with Section 919. A provider of supervising station services shall notify the fire code official no less than 48 hours before terminating services to a building. 901.6.1 Automatic sprinkler systems. Automatic sprinkler systems shall be monitored by a supervising station. Exceptions: 1. A supervising station is not required for automatic sprinkler systems protecting Group R-5 occupancies. 2. Limited area systems in accordance with Section 903.3.8. 901.6.3 Fire alarm systems. Fire alarm systems required by the provisions of Section 907.2 of this code shall be monitored by a supervising station in accordance with Section 907.6.6 of this code. Exceptions: 1. Single- and multiple-station smoke alarms required by Section 907.2.10. 2. Smoke detectors in Group I-3 occupancies. 3. Supervisory service is not required for automatic sprinkler systems in Group R-5 occupancies. 901.6.4 Group H. Supervision and monitoring of emergency alarm, detection and automatic fire-extinguishing systems in Group H occupancies shall be in accordance with the Chicago Fire Prevention Code." (Amend Coun. J. 2-19-20, p. 14473, Art. II, § 28; Amend Coun. J. 10-7-20, p. 21791, Art. II, § 13)

Municipal Code of Chicago § 14B-9-902 Fire pump and riser room size.

14B-9-902 Fire pump and riser room size. The provisions of Section 902 of IBC are adopted by reference with the following modification: 1. Revise Section 902.1.2 by deleting "with an approved sign."

Municipal Code of Chicago § 14B-9-903 Automatic sprinkler systems.

14B-9-903 Automatic sprinkler systems. The provisions of Section 903 of IBC are adopted by reference with the following modifications: 1. Add a new Section 903.1.2 to read: "903.1.2 Where prohibited. Automatic sprinkler systems shall not be installed in hazardous chemical rooms or in hazardous chemical storage buildings, where the chemical has the ability to react with water to produce substances or violent chemical reactions which increase the hazard. When the presence of water will not add to the hazard, an automatic sprinkler system shall be required in such hazardous chemical room or building." 2. Revise Section 903.2 by deleting "Approved." 3. Delete the exception to Section 903.2. 4. Delete items 3 and 4 in Section 903.2.1.1. 5. Revise the numbered items in Section 903.2.1.2 to read: "1. The fire area exceeds 12,000 square feet (1115 m2). 2. The fire area has an occupant load of 300 or more. 3. The fire area has an occupant load of 100 or more and is located on a floor more than four feet (1219 mm) below the lowest level of exit discharge serving such occupancy." 6. Delete item 3 in Section 903.2.1.3. 7. Add a new item 4 in Section 903.2.1.3 to read: "4. The Group A-3 occupancy contains one or more exhibition areas exceeding 5,000 square feet (464 m 2 ) in aggregate." 8. Delete item 3 in Section 903.2.1.4. 9. Revise Section 903.2.1.6, including the exception, to read: "903.2.1.6 Assembly occupancies on roofs. Where an occupiable rooftop has an assembly occupancy with an occupant load of 300 or more, all floors between the occupiable rooftop and the level of exit discharge shall be equipped with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2." 10. Revise Section 903.2.1.7 by replacing "shall be provided" with "shall be provided throughout the building." 11. Revise Section 903.2.2 to read: "903.2.2 Group B. An automatic sprinkler system shall be provided for Group B occupancies as provided in this section. 903.2.2.1 Ambulatory care facilities. An automatic sprinkler system shall be installed throughout the entire floor containing an ambulatory care facility where either of the following conditions exist at any time: 1. Four or more care recipients are incapable of self-preservation. 2. One or more care recipients that are incapable of self-preservation are located at other than the level of exit discharge serving such a facility. In buildings where ambulatory care is provided on levels other than the level of exit discharge, an automatic sprinkler system shall be installed throughout the entire floor as well as all floors between the level of ambulatory care and the nearest level of exit discharge, the level of exit discharge, and all floors below the level of exit discharge. 903.2.2.2 Telephone exchanges. An automatic fire-extinguishing system shall be installed throughout buildings containing telephone exchanges." 12. Revise Section 903.2.3 to read: "903.2.3 Group E. An automatic sprinkler system shall be provided for Group E occupancies as follows: 1. Throughout all Group E fire areas and all connected Group A fire areas in buildings where the aggregate area of all Group E and connected Group A fire areas is 7,200 square feet (669 m2) or greater. 2. Throughout buildings containing Group E occupancies owned by, operated by or constructed with funding from a governmental unit. 3. Throughout buildings containing Group E-2 occupancies. Exception: Where every room or space in a Group E-2 occupancy normally subject to client occupancy, other than toilet rooms, has not less than one door leading directly to an exit or directly to the outside of the building." 13. Revise the title and first sentence of Section 903.2.4 to read: "903.2.4 Group F. An automatic sprinkler system shall be provided throughout all buildings containing a Group F occupancy where one of the following conditions exists:" 13.1 Revise item 4 in Section 903.2.4 to read: "4. A Group F-1 fire area used for the manufacture of upholstered furniture or mattresses exceeds 2,500 square feet (232 m 2 )." 14. Revise Section 903.2.4.1 by replacing "fire areas" with "buildings." 15. Add a new Section 903.2.4.2 to read: "903.2.4.2 Electric generation plants. An automatic fire-extinguishing system shall be provided throughout any structure that is owned or operated by any person whose primary business is the generation or transmission of electrical power and that houses one or more electrical generators, electrical transformers, or switching equipment for a service area beyond the building in which the equipment is located." 16. Revise exception 2 to Section 903.2.6 to read: "2. An automatic sprinkler system is not required where Group I-4 day care facilities are at the level of exit discharge and where every room where care is provided has not fewer than one exterior exit door." 17. Delete exception 3 to Section 903.2.6. 17.1. Revise item 4 in Section 903.2.7 to read: "4. A Group M occupancy where the area used for the display and sale of upholstered furniture or mattresses exceeds 5,000 square feet (464 m 2 )." 18. Add a new item 5 to Section 903.2.7 to read: "5. A Group M fire area is located in a basement." 19. Add new exceptions to Section 903.2.8 to read: "Exceptions: 1. Buildings of Group R-5 occupancy. 2. Buildings of Group R-2 occupancy, other than congregate living facilities, with not more than four stories above grade plane and containing not more than ten dwelling units where each fire area contains not more than two dwelling units and all required vertical exits are interior exit stairways." 20. Revise Section 903.2.8.1 to read: "903.2.8.1 Group R-3 and R-5. An automatic sprinkler system installed in accordance with Section 903.3.1.3 shall be permitted in Group R-3 and R-5 occupancies." 20.1. Revise items 4 and 5 in Section 903.2.9 to read: "4. A Group S-1 fire area used for the storage of commercial motor vehicles where the fire area exceeds 5,000 square feet (464 m 2 ). 5. A Group S-1 occupancy where the area used for the storage of upholstered furniture or mattresses exceeds 2,500 square feet (232 m 2 )." 20.2. In Section 903.2.10.1, reset the following term in italic type: "commercial motor vehicle." 21. Revise Section 903.2.10 to read: "903.2.10 Group S-2 parking garages. An automatic sprinkler system shall be provided throughout buildings containing parking garages in accordance with Section 406.6 where any of the following conditions exists: 1. Where the floor area of the parking garage exceeds 12,000 square feet (1115 m2). 2. Where the parking garage has a storage capacity of more than 20 vehicles and is located beneath other occupancies. 3. Where the parking garage is in a basement." 22. Revise the title of Section 903.2.10.1 to "Commercial-vehicle parking garages." 22.1. In Section 903.2.10.1, reset the following term in italic type: "commercial motor vehicle." 22.2. Revise Section 903.2.11 by replacing "903.2.11.6" with "903.2.11.8." 23. Revise Section 903.2.11.1.2 by deleting "approved." 24. Revise Section 903.2.11.1.3 by deleting "approved." 25. Revise Section 903.2.11.3 to read: "903.2.11.3 Buildings more than 70 feet in height. An automatic sprinkler system shall be installed throughout buildings that are more than 70 feet (21.3 m) in building height. Exception: Parking facilities, in accordance with Section 906.9." 26. Renumber existing Section and Table 903.2.11.6 to 903.2.11.8 and delete the following rows in the table: covered and open mall buildings, Group H-5 HPM exhaust ducts, flammable finishes, drying rooms, children’s play structures, buildings containing laboratory suites, unlimited area buildings, smoke-protected assembly seating, and the last row. 27. Add a new Section 903.2.11.6 to read: "903.2.11.6 Shops and storerooms. An automatic sprinkler system shall be installed in all rooms and spaces used as paint shops, wastepaper baling or storage, and other storage uses having a similar degree of combustibility. Exceptions: 1. Shops and storerooms located in a Group R-5 occupancy. 2. Shops and storerooms not exceeding 1,000 square feet (93 m2) in a building not exceeding one story above grade plane." 28. Add a new Section 903.2.11.7 to read: "903.2.11.7 Telecommunications equipment areas. Every fire area within an existing structure containing a telecommunication equipment area that exceeds 150 square feet (13.93 m2) must be equipped with an automatic fire-extinguishing system." 29. Revise Section 903.2.12 by deleting "Chapter 33 of." 30. Revise Section 903.3.1.1.1 to read: "903.3.1.1.1 Exempt locations. Automatic sprinklers shall not be required in the following rooms or areas where such rooms or areas are protected with an automatic fire detection system in accordance with Section 907.2 that will respond to visible or invisible particles of combustion. Sprinklers shall not be omitted from a room merely because it is damp, of fire-resistance-rated construction or contains electrical equipment. 1. A room where the application of water, or flame and water, constitutes a serious life or fire hazard. 2. A room or space where sprinklers are considered undesirable because of the nature of the contents, where approved by the fire code official. 3. Generator, transformer and switchboard rooms separated from the remainder of the building by walls and floor/ceiling or roof/ceiling assemblies having a fire-resistance rating of not less than 2 hours. 4. [Reserved.] 5. Elevator machine rooms, elevator shafts and machinery spaces. (Automatic sprinklers shall be provided in elevator pits.)" 31. Delete Section 903.3.1.1.2. 32. Revise Section 903.3.1.2 to read: "903.3.1.2 NFPA 13R sprinkler systems. Automatic sprinkler systems installed in Group R-5; Group R-3; and Group R-4, Condition 1 shall be permitted to be installed throughout in accordance with NFPA 13D, provided the building shall not exceed 45 feet (13.7 m) in building height." 33. Delete Section 903.3.1.2.1. 34. Delete item 3 (and subitems) in Section 903.3.1.2.3. 35. Revise Section 903.3.1.3 to read: "903.3.1.3 NFPA 13D sprinkler systems. Automatic sprinkler systems installed in Group R-5; Group R-3; Group R-4, Condition 1; and townhouses shall be permitted to be installed throughout in accordance with NFPA 13D, provided the building shall not exceed 45 feet (13.7 m) in building height." 36. Revise the last sentence of Section 903.3.5 to read: "For connections to the public waterworks systems, the water supply test used for design of fire protection systems shall be acceptable to the fire code official and not less than one year old." 37. Revise Section 903.3.8.4 by deleting "approved." 37.1 Insert a new Section 903.3.9 to read: "903.3.9 Concealed sprinkler heads. Where concealed sprinkler heads are used, cover plates shall have a brass, chrome or other unpainted metallic finish." 38. Revise exception 1 to Section 903.4 by replacing "one- and two-family dwellings" with "Group R-5 occupancies." 39. Revise Section 903.4 by adding a sentence, following the exceptions, to read: "All valves in supply pipes to automatic sprinkler systems shall be secured open." 40. Revise Section 903.4.1, excluding the exceptions, to read: "903.4.1 Monitoring. Alarm, supervisory and trouble signals shall be distinctly different and shall be automatically transmitted to a supervising station." 41. Revise Section 903.4.2 to read: "903.4.2 Alarms. An electric bell, located on the exterior of the building above a fire department connection, shall be connected to each automatic sprinkler system. The bell shall be activated by water flow equivalent to the flow of a single sprinkler of the smallest orifice size installed in the system. Where a fire alarm system is installed, actuation of the automatic sprinkler system shall actuate the building fire alarm system. A sign shall be placed at a conspicuous location near the bell and shall state: "SPRINKLER ALARM-WHEN BELL RINGS CALL FIRE OR POLICE DEPARTMENT." 42. Revise Section 903.4.3 by deleting "Approved." (Amend Coun. J. 2-19-20, p. 14473, Art. II, § 29; Amend Coun. J. 10-7-20, p. 21791, Art. II, § 14; Amend Coun. J. 6-25-21, p. 32180, Art. II, § 13)

Municipal Code of Chicago § 14B-9-904 Alternative automatic fire-extinguishing systems.

14B-9-904 Alternative automatic fire-extinguishing systems. The provisions of Section 904 of IBC are adopted by reference with the following modifications: 1. Revise Section 904.2 to read: "904.2 Where permitted. Automatic fire-extinguishing systems installed as an alternative to the required automatic sprinkler systems of Section 903 shall be approved by the fire code official. As a condition of approval, the fire code official may require signs indicating the type of alternative automatic fire-extinguishing system be installed in prominent locations at each building entrance." 2. Revise Section 904.2.2 to read: "904.2.2 Commercial hood and duct systems. Each required commercial kitchen exhaust hood and duct system required by the Chicago Fire Prevention Code or Chicago Mechanical Code to have a Type I hood shall be protected with an automatic fire-extinguishing system installed in accordance with this code." 3. Revise Section 904.11.1.4 by replacing "an approved" with "a." 4. Revise the exception to Section 904.12 by deleting "Section 304.1 of." 5. Revise Section 904.13 by deleting item 3. 6. Revise Section 904.13.1.1 by deleting "approved." (Amend Coun. J. 2-19-20, p. 14473, Art. II, § 30)

Municipal Code of Chicago § 14B-9-905 Standpipe systems.

14B-9-905 Standpipe systems. The provisions of Section 905 of IBC are adopted by reference with the following modifications: 1. Add new Sections 905.2.1, 905.2.2, 905.2.3 and 905.2.4 to read: "905.2.1 Water supply. Where wet standpipes are installed in buildings that are 80 feet (24.4 m) or less in building height and the building is protected throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2, the water supply for the building may be designed to provide 100 pounds per square inch (689 kPa) pressure with 500 gallons per minute (31.6 L/s) flowing from the two hydraulically most remote outlets in the standpipe system. The standpipe system shall be designed for full standpipe flow in accordance with NFPA 14. 905.2.2 Multiple systems required. In buildings where the floor level of the highest story is more than 275 feet (83.8 m) above grade plane, two or more separate standpipe systems shall be provided. The lowest standpipe system shall serve the portion up to and including the story which is 275 feet (83.8 m) or less above grade plane. Above 275 feet (83.8 m) additional standpipe systems shall be provided to serve zones of not more than 20 stories each. 905.2.3 Express risers. In buildings where the floor level of the highest story is more than 275 feet (83.8 m) above grade plane, individual standpipe systems, as required by Section 905.2.1, shall be supplied by two or more separate risers from the zone fire pump located in the lowest story of the building, except that the number of express risers shall not exceed the number of risers serving that zone; or by individual fire pumps located on the lowest story of each zone taking suction under head from a tank automatically filled by two or more risers from the adjacent lower zone. Such a tank shall have a capacity sufficient to supply the largest pump in the zone at its rated capacity for at least 30 minutes but not less than 10,000 gallons (37,854 L). 905.2.4 Pressure reducing devices. Where the pressure at nozzles is more than 65 pounds per square inch (448 kN/m2), the 1 1/2-inch hose valve shall be provided with a device or disk to limit the force of the hose stream to 90 pounds (0.4 kN) so that the nozzle can be safely handled by one person." 2. Revise the exception to Section 905.3 to read: "Exception: Standpipe systems are not required in Group R-2, R-3, R-4 and R-5 occupancies not more than four stories above grade plane." 3. Revise Section 905.3.1 to read: "905.3.1 Height. Class III standpipe systems shall be installed throughout buildings which exceed 55 feet in building height or where four or more stories are above grade plane or two or more stories are basements. Exceptions: 1. Class I standpipes are allowed in buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2. 2. [Reserved.] 3. [Reserved.] 4. Class I manual dry standpipes are allowed in parking garages and parking facilities that are subject to freezing temperatures, provided that the hose connections are located as required for Class II standpipes in accordance with Section 905.5." 4. Revise exception 2 to Section 905.3.2 by deleting "automatic dry and semiautomatic dry standpipes or." 5. Delete Section 905.3.3. 6. Revise Section 905.3.4.1 by deleting "approved." 7. Revise Section 905.3.6 to read: "905.3.6 Helistops and heliports. Buildings with a rooftop helistop or heliport shall be equipped with a Class I or III standpipe system extended to the roof level on which the helistop or heliport is located." 8. Revise Section 905.3.7 by deleting "Chapter 36 of." 9. Revise Section 905.3.8 to read: "905.3.8 Rooftop gardens, landscaped roofs, and occupiable rooftops. Buildings or structures that have vegetative roofs, rooftop gardens, landscaped roofs or occupiable rooftops and that are equipped with a standpipe system shall have the standpipe system extended to the roof level on which the vegetative roof, rooftop garden, landscaped roof or occupiable rooftop is located." 10. Revise Section 905.4 to read: "905.4 Location of Class I standpipe hose connections. Class I standpipe hose connections shall be provided in all of the following locations: 1. In every required interior exit stairway, a hose connection shall be provided for each story above and below grade plane. Hose connections shall be located at the floor landing. 2. [Reserved.] 3. In every exit passageway, at the entrance from the exit passageway to other areas of a building. 4. [Reserved.] 5. Where the roof has a slope less than four units vertical in 12 units horizontal (33.3-percent slope), a hose connection shall be located to serve the roof or at the highest landing of an interior exit stairway with access to the roof provided in accordance with Section 1011.12. 6. Where the most remote portion of a nonsprinklered floor or story is more than 150 feet (45 720 mm) from a hose connection or the most remote portion of a sprinklered floor or story is more than 200 feet (60 960 mm) from a hose connection, the fire code official is authorized to require that additional hose connections be provided in approved locations." 11. Revise the exception to Section 905.4.1 to delete "approved." 12. Revise Section 905.5.3 by replacing "approved" with "permitted." 13. Revise Section 905.7.1 by deleting "in an approved manner." 14. Revise Section 905.9 by adding the following after the last sentence: "All valves in supply pipes to standpipe systems shall be secured open." (Amend Coun. J. 2-19-20, p. 14473, Art. II, § 31; Amend Coun. J. 10-7-20, p. 21791, Art. II, § 15))

Municipal Code of Chicago § 14B-9-906 Portable fire extinguishers.

14B-9-906 Portable fire extinguishers. The provisions of Section 906 of IBC are adopted by reference with the following modifications: 1. Add new exceptions 3 and 4 to item 1 in Section 906.1 to read: "3. In Group R-2 occupancies not more than three stories above grade plane and having a floor area not exceeding 3,000 square feet (279 m 2 ). 4. In one-story buildings of B, F, M, or S occupancy having a building area not exceeding 3,000 square feet (279 m 2 )." 2. Revise item 4 in Section 906.1 to read: "4. On each floor of structures under construction, except Group R-3, R-4 and R-5 occupancies, in accordance with Chapter 33." 3. Delete item 5 in Section 906.1. 4. Delete Table 906.1. 5. Revise Section 906.4 to read: "906.4 Cooking equipment fires. Fire extinguishers provided for the protection of cooking equipment shall be of a type compatible with the automatic fire-extinguishing system agent. Cooking equipment involving solid fuels or vegetable or animal oils and fats shall be protected by a Class K-rated portable extinguisher in accordance with the Chicago Fire Prevention Code." 6. Revise Section 906.6 to read: "906.6 Unobstructed and unobscured. Portable fire extinguishers shall not be obstructed or obscured from view. Where a fire extinguisher is likely to be obscured by piles of stock, lumber or otherwise, a sign shall be installed and maintained which will indicate the location of the fire extinguisher in a manner legible at a distance of at least 50 feet (15.2 m)." (Amend Coun. J. 2-19-20, p. 14473, Art. II, § 32)

Municipal Code of Chicago § 14B-9-907 Fire alarm and detection systems.

14B-9-907 Fire alarm and detection systems. The provisions of Section 907 of IBC are adopted by reference with the following modifications: 1. Revise Section 907.1.1 to read: "907.1.1 Construction documents. Construction documents for fire alarm systems shall be of sufficient clarity to indicate the location, nature and extent of the work proposed and show in detail that it will conform to the provisions of this code, the Chicago Electrical Code and the Chicago Fire Prevention Code." 2. Revise Section 907.1.2 to read: "907.1.2 Fire alarm shop drawings. Shop drawings for fire alarm systems shall be prepared in accordance with NFPA 72 and submitted for a separate permit prior to system installation." 3. Revise Section 907.1.3 by deleting "and approved." 4. Add a new Section 907.1.3.1 to read: "907.1.3.1 Notification appliances. Occupant notification appliances shall be red. Where approved by the fire code official, occupant notification appliances may be concealed until activated." 5. Revise Section 907.2 to read: "907.2 Where required-new buildings and structures. A fire alarm system installed in accordance with the provisions of this code and NFPA 72 shall be provided in new buildings and structures in accordance with Sections 907.2.1 through 907.2.23 and provide occupant notification in accordance with Section 907.5, unless other requirements are provided by another section of this code. Not fewer than one manual fire alarm box at each exit on the level of exit discharge shall be provided to initiate a fire alarm signal for fire alarm systems employing automatic fire detectors or waterflow detection devices. Where other sections of this code allow elimination of manual fire alarm boxes due to sprinklers, manual fire alarm boxes shall be installed at each exit on the level of exit discharge. Exceptions: 1. The manual fire alarm box is not required for fire alarm systems dedicated to elevator recall control and supervisory service. 2. The manual fire alarm box shall not be installed in a high-rise building." 6. Revise Section 907.2.1 and its subsections to read: "907.2.1 Group A. A manual fire alarm system that activates the occupant notification system in accordance with Section 907.5 shall be installed in Group A occupancies where the occupant load due to the assembly occupancy is 300 or more. Group A occupancies not separated from one another in accordance with Section 707.3.10 shall be considered as a single occupancy for the purposes of applying this section. Portions of Group E occupancies occupied for assembly purposes shall be provided with a fire alarm system as required for the Group E occupancy. Exception: Manual fire alarm boxes are not required where the building is equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1 and the occupant notification appliances will activate in accordance with Section 907.5 upon sprinkler water flow." 7. Revise Section 907.2.2 by replacing "500" with "300." 8. Revise the exception to Section 907.2.2 to read: "Exception: Manual fire alarm boxes are not required where the building is equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1 and the occupant notification appliances will activate in accordance with Section 907.5 upon sprinkler water flow." 9. Delete the exception to 907.2.2.1. 10. Revise Section 907.2.3, including the exceptions, to read: "907.2.3 Group E. A manual fire alarm system shall be installed in Group E occupancies. Where automatic sprinkler systems or smoke detectors are installed, such systems or detectors shall be connected to the building fire alarm system." 11. Revise the exception to Section 907.2.4 to read: "Exception: Manual fire alarm boxes are not required where the building is equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1 and the occupant notification appliances will activate in accordance with Section 907.5 upon sprinkler water flow." 12. Revise Section 907.2.5 by deleting "Chapters 60, 62 and 62, respectively, of." 13. Revise the exceptions to Section 907.2.6 to read: "Exception: Occupant notification systems are not required to be activated where private operating mode signaling installed in accordance with NFPA 72 is permitted by the fire code official and staff evacuation responsibilities are included in the fire safety and evacuation plan required by the Chicago Fire Prevention Code." 14. Revise Section 907.2.6.1.1 by replacing "smoke alarms" with "smoke alarms, heat alarms and heat detectors" in both the heading and body. 15. Revise Section 907.2.6.3.1 to read: "907.2.6.3.1 System initiation. Actuation of an automatic fire-extinguishing system, automatic sprinkler system, a manual fire alarm box or a fire detector shall initiate a private operating mode fire alarm signal that automatically notifies staff throughout the facility." 16. Revise Section 907.2.6.3.2 to read: "907.2.6.3.2 Manual fire alarm boxes. Manual fire alarm boxes are not required to be located in accordance with Section 907.4.2 where manual fire alarm boxes are provided at staff-attended locations having direct supervision over areas where manual fire alarm boxes have been omitted." 17. Revise the exceptions to Section 907.2.7 to read: "Exception: Manual fire alarm boxes are not required where the building is equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1 and the occupant notification appliances will activate in accordance with Section 907.5 upon sprinkler water flow." 18. Delete Section 907.2.7.1. 19. Delete exception 2 (and subitems) to Section 907.2.8.1. 19.1. Revise Section 907.2.8.3 by replacing "smoke alarms" with "smoke alarms, heat alarms and heat detectors" in both the heading and body. 20. Revise Section 907.2.9.1 to read: "907.2.9.1 Manual fire alarm system. A manual fire alarm system that activates the occupant notification system in accordance with Section 907.5 shall be installed in Group R-2 occupancies where the building contains more than 16 dwelling units or sleeping units." 21. Revise exception 2 to Section 907.2.9.1 to read: "2. Manual fire alarm boxes are not required where the building is equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2 and the occupant notification appliances will activate in accordance with Section 907.5 upon a sprinkler water flow." 22. Revise exception 3 to Section 907.2.9.1 by deleting "approved." 22.1. Revise Section 907.2.9.2 by replacing "smoke alarms" with "smoke alarms, heat alarms and heat detectors" in both the heading and body. 23. Delete Section 907.2.9.3. 24. Add a new item 4 to Section 907.2.10.1 to read: "4. At the uppermost ceiling of each interior exit stairway." 25. Revise Section 907.2.10 by inserting the following at the end: "Listed heat detectors complying with UL 521 or heat alarms complying with UL 539 shall be installed in accordance with Sections 907.2.10. and 907.2.10.8 and NFPA 72." 25.1. Revise Section 907.2.10.2 to read: "907.2.10.2 Groups R-2, R-3, R-4, R-5 and I-1. Single- or multiple-station smoke alarms shall be installed and maintained in Groups R-2, R-3, R-4, R-5 and I-1 regardless of occupant load at all of the following locations: 1. On the ceiling or wall outside of and within 15 feet (4572 mm) of each room used for sleeping purposes. 2. In each room used for sleeping purposes. 3. In each story within a dwelling unit, including basements but not including crawl spaces and uninhabitable attics. In dwellings or dwelling units with split levels and without an intervening door between the adjacent levels, a smoke alarm installed on the upper level shall suffice for the adjacent lower level provided that the lower level is less than one full story below the upper level. 4. At the uppermost ceiling of each interior exit stairway." 25.2. Revise Section 907.2.10.6 to read: "907.2.10.6 Power source. In new construction, required smoke alarms, heat alarms and heat detectors shall receive their primary power from the building wiring where such wiring is served from a commercial source and shall be equipped with a battery backup. Smoke alarms with integral strobes that are not equipped with battery backup shall be connected to an emergency electrical system in accordance with Section 2702. Smoke alarms, heat alarms and heat detectors shall emit a signal when the batteries are low. Wiring shall be permanent and without a disconnecting switch other than as required for overcurrent protection. Exception: Smoke alarms, heat alarms and heat detectors are not required to be equipped with battery backup where they are connected to an emergency electrical system that complies with Section 2702." 25.3. Insert a new Section 907.2.10.8 to read: "907.2.10.8 Heat alarms and heat detectors. A heat detector or heat alarm shall be installed in a private garage that is attached to or directly below a dwelling unit or sleeping unit and shall comply with the following: 1. The heat alarm or heat detector shall be rated for the ambient environment. 2. The heat alarm or heat detector shall either be interconnected with the smoke alarms within the attached dwelling unit or sleeping unit or the heat detector shall be connected to an audible occupant notification device located within the dwelling unit or sleeping unit and within 20 feet of the door nearest to the private garage and additional audible occupant notification devices, as necessary, so that occupant notification is clearly audible in all sleeping rooms over background noise levels with all intervening doors closed. Audible occupant notification is not required within the private garage. 3. Heat alarms and heat detectors shall be installed in accordance with the manufacturer's instructions." 26. Revise items 3 and 4 in Section 907.2.11.2 to read: "3. Activate directional exit markings that will become apparent in an emergency. 4. Alarm signals shall produce a sound that is distinctive from other sounds used during normal operation." 27. Delete Section 907.2.11.3. 28. Revise Section 907.2.12 to read: "907.2.12 High-rise buildings. High-rise buildings shall be provided with an automatic smoke detection system in accordance with Section 907.2.12.1 and voice communication systems in accordance with Section 907.2.12.2. Exceptions: 1. Airport traffic control towers in accordance with Sections 412 and 907.2.21. 2. Parking facilities in accordance with Section 406.9. 3. Buildings with an occupancy in Group A-5 in accordance with Section 303.1. 4. Low-hazard special industrial occupancies in accordance with Section 503.1.1. 5. [Reserved.] 6. In Group I-1 and I-2 occupancies, the alarm shall sound at a constantly attended location and private mode signaling shall be broadcast throughout the facility." 29. Revise Section 907.2.12.1.1 to read: "907.2.12.1.1 Area smoke detection. Area smoke detectors shall be provided in accordance with this section. Smoke detectors shall be connected to an automatic fire alarm system. The activation of any detector required by this section shall activate the occupant notification appliances in accordance with Section 907.5. In addition to smoke detectors required by Sections 907.2.1 through 907.2.9, smoke detectors shall be located as follows: 1. In each mechanical equipment, electrical, transformer, telephone equipment or similar room that is not provided with sprinkler protection. 2. In each elevator machine room, machinery space, control room and control space and in elevator lobbies. 3. Where enclosed elevator lobbies are not provided, in corridors adjoining elevators." 30. Delete Section 907.2.12.1.2. 31. Revise Section 907.2.12.2 to read: "907.2.12.2 Voice communication systems. Voice communication systems shall be provided in accordance with Sections 907.2.12.2.1 through 907.2.12.2.3. 907.2.12.2.1 Fire department two-way communication system. A two-way fire department communication system shall be provided to operate between a fire command center complying with Section 911 and emergency two-way stations located at not less than every fifth level and every landing for a level numbered with a multiple of 5 and the uppermost landing within every interior exit stairway. 907.2.12.2.2 Selective one-way communication system. A selective (multiple-channel) one-way communication system shall be provided to operate between a fire command center complying with Section 911 and the following areas: 1. Elevators cars. 2. Elevator lobbies. 3. Within interior exit stairways at every fifth level and every landing for a level numbered with a multiple of 5. 4. Office areas exceeding 5,000 square feet (465 m2). 5. Corridors, at intervals not exceeding 75 feet (22.9 m). 6. Outside of doors leading to exit stairways. 7. Inside the main entrance of each dwelling unit and sleeping unit. 8. Parking garages exceeding 5,000 square feet (465 m2). 907.2.12.2.3 Combined system. The two-way fire department communication system may be combined with the one-way system where approved by the fire code official." 32. Delete Section 907.2.12.3. 33. Delete Section 907.2.13. 34. Revise Section 907.2.14 by deleting "Section 3206.5 of." 35. Revise Section 907.2.15 by replacing "an approved" with "a." 36. Revise Section 907.2.18 to read: "907.2.18 Deep underground buildings. Where the lowest occupiable space is more than 60 feet (18 288 mm) below the finished floor of the lowest level of exit discharge, the structure shall be equipped throughout with a manual fire alarm system." 37. Delete Section 907.2.19. 38. Delete Section 907.2.20. 39. Revise the exceptions to Section 907.3.1 to read: "Exception: In occupancies not required to be equipped with a fire alarm system, actuation of a smoke detector shall activate a visible and an audible signal in a prominent location. Smoke detector trouble conditions shall activate a visible or audible signal in a prominent location and shall be identified as air duct detector trouble." 40. Revise Section 907.4.2.1 by replacing "200 feet (60 960 mm)" with "100 feet (30.5 m)." 41. Revise Section 907.4.2.4 by replacing "an approved" with "a." 42. Revise Section 907.4.3 by deleting "approved." 43. Revise Section 907.4.3.1 by replacing "approved" with "accepted." 44. Delete the exception to Section 907.5. 45. Revise Section 907.5.1 to read: "907.5.1A Chicago high-rise fire alarm systems. Fire alarm systems in high-rise buildings shall be supervising station alarm systems in accordance with NFPA 72. Fire alarm systems in high-rise buildings shall not initiate occupant notification until initiated from the fire command center. 907.5.1B Presignal feature. Fire alarm systems in the following buildings shall be provided with a presignal feature: 1. Group I occupancies where the floor area of any story exceeds 8,000 square feet (743 m2 ). 2. Group I occupancies in buildings with more than three stories. A presignal feature shall not be installed in other building types unless approved by the fire code official. Where a presignal feature is provided, a signal shall be annunciated at a constantly attended location acceptable to the fire code official so that occupant notification can be activated in the event of fire or other emergency." 46. Delete Section 907.5.2.2 and its subsections. 47. Revise Section 907.5.2.3.1, including its exception, to read: "907.5.2.3.1 Public use areas, common use areas and employee work areas. Visible alarm notification appliances shall be provided in public use areas and common use areas. Where employee work areas have audible alarm coverage, visible alarms shall be provided at time of initial installation." 48. Revise Table 907.5.2.3.2 by replacing "6 to 25" with "2 to 25." 49. Revise Section 907.5.2.3.3 by adding the following at the end: "Visible alarm notification appliances, arranged so the flashing light beam is visible in all occupiable spaces within the unit, shall be installed by the owner within dwelling units and sleeping units on an as-needed basis at the request of an occupant with a disability." 50. Revise Section 907.6.3.1 to read: "907.6.3.1 Annunciation. The initiating device status shall be annunciated at an on-site location acceptable to the fire code official." 51. Revise Section 907.6.4 by replacing "300 feet (91 440 mm)" with "200 feet (61 m)." 52. Revise Section 907.6.4.1 by replacing "an approved location" with "a location acceptable to the fire code official." 53. Revise Section 907.6.6 by deleting "approved." 54. Revise exception 3 to Section 907.6.6 by replacing "one- and two-family dwellings" with "Group R-5 occupancies." 55. Revise Section 907.6.6.1 by deleting "unless approved by the fire chief." 56. Revise Section 907.6.6.2 to read: "907.6.6.2 Termination of monitoring service. Termination of fire alarm monitoring services shall be in accordance with Section 901.6." 57. Revise Section 907.7.2 to read: "907.7.2 Record of completion. A record of completion in accordance with NFPA 72 verifying that the system has been installed and tested in accordance with the permit shall be provided to the fire code official." 58. Revise Section 907.7.3 to read: "907.7.3 Instructions. Operating, testing and maintenance instructions and record drawings ("as-builts") and equipment specifications shall be provided on site or at an approved off-site location." 59. Revise Section 907.8 by deleting "Section 907.8 of." (Amend Coun. J. 2-19-20, p. 14473, Art. II, § 33; Amend Coun. J. 10-7-20, p. 21791, Art. II, § 16; Amend Coun. J. 6-25-21, p. 32180, Art. II, § 14; Amend Coun. J. 12-14-22, p. 58278, Art. III, § 2; Amend Coun. J. 6-17-26, p. 45214, Art. IV, § 29)

Municipal Code of Chicago § 14B-9-908 IBC Section 908.

14B-9-908 IBC Section 908. The provisions of Section 908 of IBC are not adopted. (Amend Coun. J. 10-7-20, p. 21791, Art. II, § 17)

Municipal Code of Chicago § 14B-9-909 Smoke control systems.

14B-9-909 Smoke control systems. The provisions of Section 909 of IBC are not adopted. The following language is adopted as Section 909: "909. SMOKE CONTROL SYSTEMS 909.1 Smoke control for atriums. Where required by Section 404.5, atriums shall be provided with a smoke control system meeting the following requirements: 1. If the volume of the atrium does not exceed 600,000 cubic feet (16 990 m 3), the exhaust system shall provide not less than 6 air changes per hour. 2. If the volume of the atrium exceeds 600,000 cubic feet (16 990 m 3), the exhaust system shall provide not less than 4 air changes per hour. 3. Supply openings shall be sized for at least one-half the exhaust capacity. 4. Exhaust shall be at the top of the atrium and intake at the bottom. 5. Smoke detectors shall be provided at the ceiling of the atrium and at the perimeter of the atrium on each floor within 15 feet (4572 mm). 6. The smoke control system shall have completely automatic control. The automatic-control sequences shall be initiated by activation of either the automatic sprinkler system or smoke detectors in the atrium area. 909.2 Acceptance. Buildings, or portions thereof, required by this code to comply with this section shall not be issued a certificate of occupancy until such time that the fire code official determines that the provisions of this section have been fully complied with and that the fire department has received satisfactory instruction on the operation, both automatic and manual, of the system and a written maintenance program complying with the requirements of the Chicago Fire Prevention Code has been submitted to and accepted by the fire code official. Exception: Where phased construction is permitted, a temporary certificate of occupancy shall be allowed provided that those portions of the building to be occupied meet the requirements of this section and that the remainder does not pose a significant hazard to the safety of the proposed occupants or adjacent buildings. 909.3 Optional smoke control systems. Optional smoke control systems shall comply with Appendix S." (Amend Coun. J. 2-19-20, p. 14473, Art. II, § 34; Amend Coun. J. 10-7-20, p. 21791, Art. II, § 18)

Municipal Code of Chicago § 14B-9-910 Smoke and heat removal.

14B-9-910 Smoke and heat removal. The provisions of Section 910 of IBC are adopted by reference with the following modifications: 1. Revise Section 910.2, excluding the exceptions, to read: "910.2 Where required. Smoke and heat vents or a mechanical smoke removal system shall be installed as required by Sections 910.2.1 through 910.2.3." 2. Revise exception 1 to Section 910.2 by deleting "approved." 3. Revise Section 910.2.1 to read: "910.2.1 Group F-1 or S-1. A mechanical smoke removal system installed in accordance with Section 910.4 shall be installed in buildings and portions thereof used as a Group F-1 or S-1 occupancy having more than 50,000 square feet (4645 m2) of undivided area. Exception: Group S-1 aircraft repair hangars." 4. Revise Section 910.2.2 to read: "910.2.2 High-piled combustible storage. A mechanical smoke removal system installed in accordance with Section 910.4 shall be installed in buildings and portions thereof containing high-piled combustible storage." 5. Insert a new Section 910.2.3 to read: "910.2.3 Exhibition areas. Automatic smoke and heat vents in accordance with Section 910.3 shall be installed on the topmost occupied story of exhibition areas with a floor area in excess of 10,000 square feet (929 m2). Where the upper surface of a story containing an exhibition area is not a roof assembly, a mechanical smoke removal system in accordance with Section 910.4 shall be installed." 6. Revise Section 910.3.2 by adding the following sentence at the end: "Vents shall be spaced no greater than 100 feet (30.5 m) apart, on center." 7. Revise Section 910.4.1 by deleting "approved."

Municipal Code of Chicago § 14B-9-911 Fire command center.

14B-9-911 Fire command center. The provisions of Section 911 of IBC are adopted by reference with the following modifications: 1. Revise Section 911.1.1 to read: "911.1.1 Location and access. The location and accessibility of the fire command center shall be reviewed and accepted by the fire code official. The fire command center shall comply with the following criteria: 1. All panels shall be located in the line of sight immediately inside the primary entrance to the building which is facing the street of the building address. The building address number shall be conspicuously displayed above or next to the primary entrance doors. 2. Panels shall not be located in a separate room. 3. A six foot (1829 mm) clear working space shall be provided in front of all panels. 4. Panels shall be mounted vertically on a wall. 5. Panels shall be mounted so that the bottom edge is no less than 18 inches (457 mm) above the floor and the top edge is no more than 74 inches (1880 mm) above the floor. 6. Darkened, tinted or opaque glass shall not be used to cover or obscure the panels. Exception: Slightly-tinted glass, as approved by the fire code official. 7. Panel doors shall be completely removable from the hinges. 8. Where a stairway door locking system is used, the required release switch shall be clearly marked. 9. Where panel doors are locked, an elevator-type key box, containing the panel door key, shall be provided in the immediate vicinity of the panels. 10. All panels shall be clearly labeled at the top to indicate the purpose or function, such as "detection," "voice communication," "elevators," or "generator." 2. Delete Section 911.1.2. 3. Delete Section 911.1.3. 4. Revise Section 911.1.4 to read: "911.1.4 Layout review. A layout of the fire command center and all features required by this section to be contained therein shall be submitted to the fire code official for review and acceptance prior to installation." 5. Delete Section 911.1.5. 6. Revise Section 911.1.6 to read: "911.1.6 Required features. The fire command center shall comply with NFPA 72 and shall contain all of the following features: 1. [Reserved.] 2. The fire department communications system. 3. Fire detection and alarm system annunciator. 4. Annunciator unit visually indicating the location of the elevators and whether they are operational. 5. Status indicators and controls for air distribution systems. 6. The fire fighter’s control panel required by Section 909.16 for smoke control systems installed in the building. 7. Controls for unlocking interior exit stairway doors simultaneously. 8. Sprinkler valve and waterflow detector display panels. 9. Emergency and standby power status indicators. 10. A telephone for fire department use. 11. Fire pump status indicators. 12. Schematic building plans indicating the typical floor plan and detailing the building core, means of egress, fire protection systems, fire fighter air replenishment system, fire-fighting equipment and fire department access and the location of fire walls, fire barriers, fire partitions, smoke barriers and smoke partitions. 13. A Building Information Card that contains, information specified in rules adopted by the fire code official. 14. [Reserved.] 15. Generator supervision devices, manual start and transfer features. 16. Public address system, where specifically required by other sections of this code. 17. Elevator fire recall switch in accordance with the Chicago Conveyance Device Code. 18. Elevator emergency or standby power selector switch(es), where emergency or standby power is provided."

Municipal Code of Chicago § 14B-9-912 Fire department connections.

14B-9-912 Fire department connections. The provisions of Section 912 of IBC are adopted by reference with the following modifications: 1. Revise Section 912.2 to read: "912.2 Location. With respect to hydrants, driveways, buildings and landscaping, fire department connections shall be so located that the fire apparatus and hose connected to supply the system will not obstruct access to buildings for other fire apparatus. At least one fire department connection shall be provided on each street exposure where the building is located closer than 100 feet (30.5 m) to the curb. If any street exposure is more than 250 feet (76.2 m) long, there shall be two fire department connections at least 200 feet (61.0 m) apart. Where a building has no street frontage, the fire department connection shall be located at the main entrance. The location of fire department connections shall be reviewed and accepted by the fire code official. Exceptions: 1. Where a building has more than two street exposures, fire department connections are only required for two of the street exposures. 2. Where two adjacent street exposures have a combined length not greater than 250 feet (76.2 m), one fire department connection shall be allowed." 2. Revise Section 912.2.1 by deleting "approved." 3. Revise Section 912.2.2 by replacing "an approved" with "a" and deleting the last sentence. 4. Revise Section 912.3 by deleting "be approved and shall." 5. Revise Section 912.4 by deleting the last sentence. 6. Revise the exception to Section 912.4 by deleting "approved by the fire code official." 7. Revise Section 912.4.1 to read: "912.4.1 Breakaway fire department connection caps. The fire code official is authorized to require breakaway caps on fire department connections for water-based fire protection systems." 8. Revise Section 912.4.2 to read: "912.4.2 Clear space around connections. A working space with a radius of 5 feet (1524 mm) shall be provided and maintained in front of wall-mounted fire department connections and around the circumference of free-standing fire department connections, except as otherwise required or approved by the fire code official." 9. Revise Section 912.4.3 by deleting "Section 312 of." (Amend Coun. J. 2-19-20, p. 14473, Art. II, § 35; Amend Coun. J. 10-7-20, p. 21791, Art. II, § 19)

Municipal Code of Chicago § 14B-9-913 Fire pumps.

14B-9-913 Fire pumps. The provisions of Section 913 of IBC are adopted by reference with the following modifications: 1. Revise exception 1 to Section 913.2.1 to read: "1. In buildings less than 55 feet (16.8 m) in building height, separation by 1-hour fire barriers constructed in accordance with Section 707 or 1-hour horizontal assemblies constructed in accordance with Section 711, or both, shall be permitted in buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2." 2. Delete item 4 in Section 913.4.

Municipal Code of Chicago § 14B-9-914 Emergency responder safety features.

14B-9-914 Emergency responder safety features. The provisions of Section 914 of IBC are adopted by reference with the following modifications: 1. Add a new exception to Section 914.1.1 to read: "Exception: Markings shall not be required on shaftway openings that are readily discernible as openings onto a shaftway by the construction or arrangement." 2. Revise Section 914.2 to read: "914.2 Equipment room identification. Fire protection equipment shall be clearly identified. Rooms containing controls for air-conditioning systems, sprinkler risers and valves or other fire detection, suppression or control elements shall be identified for the use of the fire department. Signs required to identify fire protection equipment and equipment location shall be constructed of durable materials, permanently installed and readily visible."

Municipal Code of Chicago § 14B-9-915 Carbon monoxide detection.

14B-9-915 Carbon monoxide detection. The provisions of Section 915 of IBC are adopted by reference with the following modifications: 1. Revise Section 915.1 by replacing "Chapter 11 of the International Fire Code" with "the Chicago Minimum Requirements for Existing Buildings." 2. Revise Section 915.1.1 by replacing "through 915.1.6" with "through 915.1.5." 3. Revise the exception to Section 915.1.3 by replacing "an approved location" with "a location that is monitored at all times when the building is occupied." 4. Revise exception 2.1 to Section 915.1.4 by replacing "an approved" with "a." 5. Revise exception 4 to Section 915.1.5 by replacing "an approved" with "a." 6. Delete Section 915.1.6. 7. Revise Section 915.2.3 to read: "915.2.3 Group E and I-4 occupancies. Carbon monoxide detectors shall be installed in classrooms in Group E and I-4 occupancies. Carbon monoxide alarm signals shall be automatically transmitted to an on-site location that is staffed by school personnel. Exception: Carbon monoxide alarm signals shall not be required to be automatically transmitted to an on- site location that is staffed by school personnel in Group E or I-4 occupancies with an occupant load of 30 or less." (Amend Coun. J. 2-19-20, p. 14473, Art. II, § 36)

Municipal Code of Chicago § 14B-9-916 Gas detection systems.

14B-9-916 Gas detection systems. The provisions of Section 916 of IBC are adopted by reference with the following modifications: 1. Revise Section 916.2 to read: "916.2 Permits. Permits shall be required as set forth in the Chicago Fire Prevention Code." 2. Revise Section 916.4 to read: "916.4 Power connections. Gas detection systems shall be permanently connected to the building electrical power supply." 3. Revise Section 916.5 by replacing "an approved" with "a central." 4. Revise Section 916.6 by deleting "approved." 5. Revise items 2 and 3 of Section 916.7 to read: "2. For toxic gases that are not HPM, sample analysis shall be performed at intervals not exceeding 5 minutes in accordance with the Chicago Fire Prevention Code. 3. Where a less frequent or delayed sampling interval is approved by the fire code official." 6. Revise Section 916.10 to read: "916.10 Fire alarm system connections. Gas sensors and gas detection systems shall not be connected to fire alarm systems unless approved by the fire code official and connected in accordance with the fire alarm equipment manufacturer’s instructions." (Amend Coun. J. 2-19-20, p. 14473, Art. II, § 37)

Municipal Code of Chicago § 14B-9-917 IBC Section 917.

14B-9-917 IBC Section 917. The provisions of Section 917 of IBC are not adopted.

Municipal Code of Chicago § 14B-9-918 IBC Section 918.

14B-9-918 IBC Section 918. The provisions of Section 918 of IBC are not adopted.

Municipal Code of Chicago § 14B-9-919 City fire alarm box.

14B-9-919 City fire alarm box. The following language is adopted as a new Section 919: "919. CITY FIRE ALARM BOX 919.1 Placement. A city fire alarm box shall be placed within 100 feet (30.5 m) from the principal entrance of the following occupancies: 1. Group A-1 occupancies. 2. Group I occupancies. 3. Group A-2, A-3 and A-4 occupancies with an occupant load of more than 1,000. 4. Day care centers operating between the hours of 9:00 p.m. and 6:00 a.m. Exception: Where all rooms occupied by the day care facilities and programs have a direct exterior exit. 5. Group E-2 occupancies having a capacity of 100 or more children. 6. Group E-1 occupancies having an occupant load of more than 100. 7. Housing intended primarily for students through the undergraduate level, including apartments, dormitories and fraternity and sorority houses. 8. Public utility structures. 919.2 Connection. The fire alarm systems required for the occupancies listed in Section 919.1 shall be directly connected to the city fire alarm box. Exception: Where the fire alarm system is directly connected to a UL-listed central station fire alarm service and use of private supervisory service is not prohibited by the fire code official. 919.2.1 Other occupancies. Fire alarm systems for occupancies other than those listed in Section 919.1 shall not be connected to a city fire alarm box. Exception: Occupancies listed in Section 919.1 with an occupant load less than provided may be connected to a city fire alarm box. 919.3 Multiple connections. The fire alarm systems of no more than one building shall be connected to any one city fire alarm box. Exception: Fire alarm systems in a building that was permitted to be connected to a common city fire alarm box prior to July 1, 1971."

Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2663919Fetched: 10/24/2026