14R-8-803 Fire protection.
The provisions of Section 803 of IEBC are adopted by reference with the following modifications:
1.   Revise Section 803.1 by replacing "floor" with "story."
1.1.   Delete Section 803.1.1.
2.   Revise Section 803.2.1 by italicizing the term "high-rise buildings" and replacing "floor" with "story."
2.1.   Revise Section 803.2.1.1 by replacing "that floor area" with "the floor area" and "floor" with "story."
2.2.   Revise Section 803.2.2, condition 2, by replacing "floor area" with "floor area of the story."
3.   Revise the exception to Section 803.2.2 to read:
"Exceptions:
1.   If the existing building does not have sufficient municipal water supply for design of an automatic sprinkler system available to the work area without installation of a new fire pump or new water service, work areas shall be protected by an automatic smoke detection system throughout all occupiable spaces, other than sleeping units or individual dwelling units, that activates the occupant notification system in accordance with Sections 907.4, 907.5 and 907.6 of the Chicago Building Code.
2.   Group R-2 occupancies not containing congregate living facilities with no more than four stories above grade plane and no more than 20 dwelling units where each dwelling unit is equipped with hardwired smoke alarms in accordance with Section 907.2.10.2 of the Chicago Building Code."
4.   Revise Section 803.2.2.1 to read:
"803.2.2.1 Mixed uses.
In work areas containing mixed uses, one or more of which requires automatic sprinkler protection in accordance with Section 803.2.2, such protection shall not be required throughout the work area provided that the uses requiring such protection are separated from those not requiring protection by fire-resistance-rated construction having a minimum rating as provided in Section 508 of the Chicago Building Code."
5.   Revise Section 803.2.3 to read:
"803.2.3 Windowless stories.
Work located in a windowless story, as determined in accordance with the Chicago Building Code, shall be sprinklered where the work area is required to be sprinklered under the provisions of the Chicago Building Code for newly constructed buildings and the building has a sufficient municipal water supply without installation of a new fire pump or new water service."
6.   Revise Section 803.2.4 to read:
"803.2.4 Supervision.
Automatic sprinkler systems required by this section shall be supervised as required by the Chicago Building Code."
7.   Revise Section 803.3, excluding the exceptions, to read:
"803.3 Standpipes.
Where the work area includes exits or corridors shared by more than one tenant and the finished floor is located more than 50 feet (15 240 mm) above or below grade plane, a standpipe system shall be provided. Standpipe systems shall be installed in accordance with the Chicago Building Code."
7.1.   Revise exception 1 to Section 803.3 by replacing "topmost floor" with "highest story."
8.   Revise Section 803.4 to read:
"803.4 Fire alarm and detection.
A fire alarm and detection system shall be installed in accordance with Sections 803.4.1 and 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 automatic fire detection system shall be installed in accordance with the provisions of this code and NFPA 72. The automatic fire detectors shall be smoke detectors, except that an 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."
9.   Revise Section 803.4.1, including its exceptions, to read:
"803.4.1 Occupancy-based requirements.
A fire alarm system shall be installed in occupancies where required by Section 504.6 of the Chicago Minimum Requirements for Existing Buildings."
10.   Delete Sections 803.4.1.1 through 803.4.1.6.
10.1.   Delete Section 803.4.2 and its exception.
11.   Revise Section 803.4.3, excluding the exception, to read:
"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 Chicago Minimum Requirements for Existing Buildings."
(Amend Coun. J. 2-19-20, p. 14473, Art. IV, § 14; Amend Coun. J. 6-25-21, p. 32180, Art. III, § 3)