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// CODE SNIPPET

803.4 Fire Alarm and Detection

Existing Building Code 2018 of Illinois > 8 Alterations—Level 2 > 803 Fire Protection > 803.4 Fire Alarm and Detection
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An approved fire alarm system shall be installed in accordance with Sections 803.4.1 through 803.4.3. Where automatic sprinkler protection is provided in accordance with Section 803.2 and is connected to the building fire alarm system, automatic heat detection shall not be required.
An approved automatic fire detection system shall be installed in accordance with the provisions of this code and NFPA 72. Devices, combinations of devices, appliances, and equipment shall be approved. The automatic fire detectors shall be smoke detectors, except that an approved alternative type of detector shall be installed in spaces such as boiler rooms, where products of combustion are present during normal operation in sufficient quantity to actuate a smoke detector.

803.4.1 Occupancy Requirements

A fire alarm system shall be installed in accordance with Sections 803.4.1.1 through 803.4.1.6. Existing alarm-notification appliances shall be automatically activated throughout the building. Where the building is not equipped with a fire alarm system, alarm-notification appliances within the work area shall be provided and automatically activated.
Exceptions:
  1. Occupancies with an existing, previously approved fire alarm system.
  2. Where selective notification is permitted, alarm-notification appliances shall be automatically activated in the areas selected.

803.4.1.1 Group E

A fire alarm system shall be installed in work areas of Group E occupancies as required by the International Fire Code for existing Group E occupancies.

803.4.1.2 Group I-1

A fire alarm system shall be installed in work areas of Group I-1 residential care/assisted living facilities as required by the International Fire Code for existing Group I-1 occupancies.

803.4.1.3 Group I-2

A fire alarm system shall be installed throughout Group I-2 occupancies as required by the International Fire Code.

803.4.1.4 Group I-3

A fire alarm system shall be installed in work areas of Group I-3 occupancies as required by the International Fire Code.

803.4.1.5 Group R-1

A fire alarm system shall be installed in Group R-1 occupancies as required by the International Fire Code for existing Group R-1 occupancies.

803.4.1.6 Group R-2

A fire alarm system shall be installed in work areas of Group R-2 apartment buildings as required by the International Fire Code for existing Group R-2 occupancies.

803.4.2 Supplemental Fire Alarm System Requirements

Where the work area on any floor exceeds 50 percent of that floor area, Section 803.4.1 shall apply throughout the floor.
Exception: Alarm-initiating and notification appliances shall not be required to be installed in tenant spaces outside of the work area.

803.4.3 Smoke Alarms

Individual sleeping units and individual dwelling units in any work area in Group R and I-1 occupancies shall be provided with smoke alarms in accordance with the International Fire Code.
Exception: Interconnection of smoke alarms outside of the work area shall not be required.

Related Code Sections


803.4 Alterations—Level 2, Fire Alarm and Detection
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803.4 Alterations—Level 2, Fire Alarm and Detection
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Existing Building Code 2018 of Illinois > 10 Change of Occupancy > 1011 Change of Occupancy Classification > 1011.2 Fire Protection Systems > 1011.2.2 Fire Alarm and Detection System
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