Elevator Lobbies and Hoistway Protection
Not many areas of the code have fluctuated as much over the past 20 years while impacting fire safety as elevator lobbies . Along with hoistway protection , they are sticking areas that have been required by code, removed by code, and then required again. The primary purpose of an elevator lobby is to protect occupants from fire and smoke that could transfer from floor to floor via the elevator ...
Hoistway door opening protection , and , by extension, enclosed elevator lobbies per 3006.3 -is not required in the following cases. These exceptions are level‑ or condition‑specific; if an exception applies at one level, other levels must still comply where triggers are met.
Hoistway Opening Protection
The IBC offers four methods for hoistway opening protection : elevator lobbies using either fire partitions or smoke partitions, additional doors at the hoistway openings, or hoistway pressurization. This protection is required in certain instances, depending on the occupancy, presence of sprinklers and height of the building, but is only necessary for hoistways connecting more than three ...
Elevator Separation Hoistway protection is designed to isolate fire, smoke, heat and toxic gases or fumes from migrating floor to floor through vertical hoistways in multi-story structures. There are two fundamental methods prescribed in this code section, elevator lobbies or protection at the point of access to the elevator car.
PDF Section 3006. Elevator Lobbies and Hoistway Opening Protection
Elevator lobbies are presented as a means to protect the openings on each floor level from the intrusion of smoke into the elevator hoistway shaft enclosures. The spread of smoke vertically through a building under fire conditions is a major concern that can be addressed through the use of properly constructed elevator lobbies .
Illinois Building Code 2021 > Chapter 30 Elevators and Conveying Systems > Section 3006 Elevator Lobbies and Hoistway Opening Protection Go To Full Code Chapter
2021 International Building Code (IBC)
SECTION 3006 ELEVATOR LOBBIES AND HOISTWAY OPENING PROTECTION INSIGHTS (1) INSIGHTS (1) 2021 International Building Code (IBC) / CHAPTER 30 / SECTION 3006
An enclosed elevator lobby consisting of smoke partitions is provided at each floor (except at the level (s) of exit discharge) to separate the hoistway from the floor. Lobby doors are required to be self-or-automatic closing, positive latching, and listed as smoke and draft control assemblies per UL 1784.
Elevator Hoistway Fire Protection
Top of Hoistway Requirements Fire sprinklers are conditionally required at the top depending on the construction of the hoistway , the elevator equipment, and fire resistance classifications.
Other than doors to the hoistway , elevator control room or elevator control space, each doorway to an enclosed fire service access elevator lobby shall be provided with a 3 / 4 -hour fire door assembly complying with Section 716.