The Building Official considers the elevator shaft to be a vertical service space and must comply with the requirements of Subsection 3.6. 3. Further, the Official considers it is prohibited to allow an opening from a vertical service space into an exit stair shaft.
Can you exit through an elevator lobby?
The code prohibits the only means of egress from a room or space to be through an enclosed elevator lobby required by Section 3006. Where access to two means of egress is required, at least one path cannot be through the lobby.
Can an elevator be used as a means of egress?
All U.S. building codes contain a requirement for accessible elevators as a part of the accessible means of egress in any building with an accessible floor above the third floor. … There is, however, an example of a structure that uses elevators as the primary means of egress and fire service access.
Can egress stairs be open?
Open Stairways as a Portion of the Means of Egress
In other than Institutional occupancies (I-2 and I-3), open exit access stairways are now permitted. … In the case of an open stair between the first and second stories, the distance is computed to the exit discharge.
Do exit stairs have to be enclosed?
Interior exit stairways shall be enclosed. Vertical exit enclosures four stories or more shall be 2-hour fire-resistance rated.
Can you exit through a suite?
Egress from a room or space shall not pass through adjoining or intervening rooms or areas, except where such adjoining rooms or areas and the area served are accessory to one or the other, are not a Group H occupancy and provide a discernible path of egress travel to an exit.
What is an elevator lobby?
The lobby to the elevator bank on the main floor of a building should be directly accessible from the building’s main entrance. In lobbies with two or more elevators, the call-button panel should be located between the elevators to provide ample access for all users. …
Do all means of egress need to be accessible?
Accessible means of egress are required from all accessible spaces. Spaces required to be accessible are established in Section 1103.1. In addition, those spaces not required to be accessible but provided with full access must be provided with accessible means of egress.
What is an occupant evacuation elevator?
The International Building Code (IBC) defines occupant evacuation elevators (OEE) as elevators used by occupants for self evacuation during fires. … It is more specific and describes the operation of an elevator system for occupant evacuation in a building under emergency conditions.
Are stairs part of an accessible route?
An accessible route does not include stairs, steps, or escalators. See definition of “egress, means of” in 3.5.
What are egress stairs?
Egress Stairs are exit access stairways that incorporate an area of rescue assistance within an enlarged floor-level landing. It provides a protected path that is continuous and unobstructed of egress travel to the exit discharge or public way.
What is a monumental stair?
Perhaps a favorite item for any architect to design is the monumental stair. Often a showpiece of the most important interior space, monumental stairs combines exposed metal structure, decorative metal elements, along with infinite number of other material finishes.
What is an exit access stairway?
EXIT ACCESS DOORWAY – A door or access point along the path of egress travel from an occupied room, area or space where the path of egress enters an intervening room, corridor, exit access stair or exit access ramp. … EXIT ACCESS STAIRWAY – An interior stairway that is not a required interior exit stairway.
What is level of exit discharge?
The term “level of exit discharge” is used to describe the location of the door from the exit (stair enclosure) to discharge the stair directly to the outside as noted in the appendix for an exit. This includes the use of exit passageways or egress through areas on this level to reach the outside.
What is a convenience stair?
Convenience stairs, loosely defined as any non-egress stairs, are increasingly popular in retail establishments.
Do stairs need to be fire rated?
Stairways shall be built of materials consistent with the types permitted for the type of construction of the building, except that wood handrails shall be permitted for all types of construction. … There are no specific fire-resistance rating requirements for stair and landing framing.