14R-9-902 Special use and occupancy.
The provisions of Section 902 of IEBC are adopted by reference with the following modifications:
1.   Revise Section 902.1 to read:
"902.1 High-rise buildings.
High-rise buildings shall comply with the requirements of Sections 902.1.1 and 902.1.2."
2.   Revise Section 902.1.1 to read:
"902.1.1 Recirculating air or exhaust systems.
Where a story is served by a recirculating air or exhaust system with a capacity greater than 15,000 cubic feet per minute (701 m3/s), that system shall be equipped with smoke and heat detection devices installed in accordance with the Chicago Mechanical Code."
3.   Revise Section 902.1.2 to read:
"902.1.2 Elevators.
Where there is an elevator or elevators for public use, not fewer than one elevator serving the work area shall comply with this section. Existing elevators with a travel distance of 25 feet (7620 mm) or more above or below the main floor or other level of a building and intended to serve the needs of emergency personnel for fire- fighting or rescue purposes shall be provided with emergency operation in accordance with Chapter 4 of the Chicago Conveyance Device Code. New elevators shall be provided with Phase I emergency recall operation and Phase II emergency in-car operation in accordance with Chapter 3 of the Chicago Conveyance Device Code."
4.   Revise Section 902.2, including its exceptions, to read:
"902.2 Boiler and furnace equipment rooms.
Boiler and furnace equipment rooms adjacent to or within Group E, I and R occupancies, other than for equipment within and serving a single dwelling unit, shall be enclosed as required by Section 509 of the Chicago Building Code."
(Amend Coun. J. 2-19-20, p. 14473, Art. IV, § 17)