The provisions of Section 1203 of IEBC are adopted by reference with the following modifications:
1. Revise Section 1203.2 to read:
"1203.2 General.
Every historic building that does not conform to the construction requirements specified in this code for the occupancy or use and that constitutes a distinct fire hazard as defined herein shall be provided with an automatic fire-extinguishing system as determined appropriate by the fire code official. However, an automatic fire-extinguishing system shall not be used to substitute for, or act as an alternative to, the required number of exits from any building."
2. Revise Section 1203.4 to read:
"1203.4 Transoms.
In fully sprinklered buildings of Group R-1, R-2, R-3 or R-5 occupancy, existing transoms in fire-resistance-rated walls may be maintained if fixed in the closed position. A sprinkler shall be installed on each side of the transom."
2.1. Revise Section 1203.7 by deleting "wood or metal."
3. Revise Section 1203.8 to read:
"1203.8 Glazing in fire-resistance-rated systems.
Historic glazing materials are allowed in interior walls required to have a 1-hour fire-resistance rating where the opening is provided with smoke seals and the area affected is provided with an automatic sprinkler system."
4. Revise Section 1203.9 to read:
"1203.9 Stairway railings.
Historically-significant open stairways shall be accepted without complying with the handrail and guard requirements. Existing handrails and guards at other existing stairways shall be allowed to remain, provided they are not structurally dangerous."
5. Revise Section 1203.11 to read:
"1203.11 Exit signs.
Where exit sign location would damage the historic character of the building, alternative exit signs are allowed where approved by the fire code official. Alternative signs shall identify the exits and egress path."
6. Revise Section 1203.12, including the exception, to read:
"1203.12 Alternative protection.
A historic building that cannot be made to conform to the construction requirements specified in the Chicago Building Code for the occupancy or use shall be deemed to be in compliance if provided with an automatic fire- extinguishing system or alternative life-safety system approved by the fire code official."
(Amend Coun. J. 7-24-19, p. 3646, § 42; Amend Coun. J. 2-19-20, p. 14473, Art. IV, § 25)