// CODE SNIPPET
[F] 907.4.3 Automatic Smoke Detection
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Where an automatic smoke detection system is required it shall utilize smoke detectors unless ambient conditions prohibit such an installation. In spaces where smoke detectors cannot be utilized due to ambient conditions, approved automatic heat detectors shall be permitted.
For conditions other than specific fire safety functions noted in Section 907.3, in areas where ambient conditions prohibit the installation of smoke detectors, an automatic sprinkler system installed in such areas in accordance with Section 903.3.1.1 or 903.3.1.2 and that is connected to the fire alarm system shall be approved as automatic heat detection.
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907.2.12.1 Fire Protection and Life Safety Systems, Automatic Smoke Detection
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An automatic smoke detection system that activates the occupant notification system in accordance with Section 907.5 shall be provided in accordance ...
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An automatic smoke detection system shall be installed in areas containing capacitor energy storage systems as required by Section 1206.3 ...
Building Code 2018 of Illinois > 9 Fire Protection and Life Safety Systems > 907 Fire Alarm and Detection Systems > 907.2 Where Required—New Buildings and Structures > 907.2.23 Capacitor Energy Storage Systems