The provisions of Section 904 of IEBC are adopted by reference with the following modifications:
1. Revise Section 904.1.1 to read:
"904.1.1 High-rise buildings.
In high-rise buildings, an automatic sprinkler system shall be installed throughout work areas. If a new fire pump or risers are required, the new components of the system shall be sized for future installation of an automatic sprinkler system for the entire building."
1.1. Revise Section 904.1.3 by replacing each occurrence of "occupancy used" with "occupancy where the area used."
2. Revise Section 904.1.4 to read:
"904.1.4 Other required automatic sprinkler systems.
In buildings and areas listed in Table 903.2.11.8 of the Chicago Building Code, other than live/work units, work areas that have exits or corridors shared by more than one tenant or that have exits or corridors serving an occupant load greater than 30 shall be provided with an automatic sprinkler system if the work area is required to be provided with an automatic sprinkler system in accordance with the Chicago Building Code applicable to new construction."
3. Revise Section 904.2 and its subsections to read:
"904.2 Fire alarm and detection systems.
Fire alarm and detection shall be provided as required by Sections 904.2.1 and 904.2.2 in accordance with Section 907 of the Chicago Building Code as required for new construction.
904.2.1 Manual fire alarm systems.
Where required by the Chicago Building Code, a manual fire alarm system shall be provided throughout the work area. Alarm notification appliances shall be provided on such stories and shall be activated as required by the Chicago Building Code.
Exceptions:
1. Alarm-initiating and notification appliances shall not be required to be installed in tenant spaces entirely outside of the work area.
2. Visual alarm notification appliances are not required, except where an existing alarm system is upgraded or replaced or where a new fire alarm system is installed.
904.2.2 Automatic fire detection.
Where required by the Chicago Building Code for new buildings, automatic fire detection systems shall be provided throughout the work area."
(Amend Coun. J. 2-19-20, p. 14473, Art. IV, § 19)