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[F] 907.2.18 Deep Underground Buildings
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Where the lowest level of a structure 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, including an emergency voice/alarm communication system installed in accordance with Section 907.5.2.2.
Related Code Sections
907.2.18 Fire Protection and Life Safety Systems, Deep Underground Buildings
Where the lowest level of a structure is more than 60 feet (18 288 mm) below the finished floor of the lowest level of exit discharge , the structure ...
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Building Code 2018 of Illinois > 9 Fire Protection and Life Safety Systems > 905 Standpipe Systems > 905.3 Required Installations > 905.3.5 Underground Buildings