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Two
exits or
exit access doorways from any space shall be provided where one of the following conditions exists:
1. The
occupant load of the space exceeds one of the
values in Table 1015.1.
2. The
common path of egress travel exceeds one of the limitations of
Section 1014.3.
3. Where required by
Section 1015.3,
1015.4,
1015.5,
1015.6 or
1015.6.1.
Exception: Group
I-2 occupancies shall comply with Sections
1014.2.2 through
1014.2.7.
Where a building contains mixed
occupancies, each individual
occupancy shall comply with the applicable requirements for that
occupancy. Where applicable, cumulative
occupant loads from adjacent
occupancies shall be considered in accordance with the provisions of
Section 1004.1.
TABLE 1015.1 SPACES WITH ONE EXIT OR EXIT ACCESS DOORWAY | OCCUPANCY | MAXIMUM OCCUPANT LOAD |
| A, B, Ea, M, U | 74 |
| F | 49 |
| H-1, H-2, H-3 | 3 |
| H-4, H-5, I-1, I-3, I-4 | 10 |
| I-2 | See Sections 1014.2. 2 through
1014.2.7 |
| R | 20 |
| S | 29 |
Three
exits or
exit access doorways shall be provided from any space with an
occupant load of 501 to 1,000. Four
exits or
exit access doorways shall be provided from any space with an
occupant load greater than 1,000.
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Two exits or exit access doorways from any space shall be provided where one of the following conditions exists: 1. The occupant load ...
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way of egress travel may include an assisted rescue path. AISLE. An unenclosed exit access component that defines and provides a path of egress travel. AISLE ACCESSWAY. That portion of an exit access that leads to an aisle. ALTERNATING TREAD DEVICE. A device that has a series of steps between 50 and 70 degrees (0.87 and 1.22 rad) from horizontal, usually attached to a center support rail in an alternating manner so that the user does not have both feet on the same level at the same time. AREA OF RESCUE ASSISTANCE. An area where persons unable to use stairways can remain temporarily to await instructions or assistance during emergency evacuation. ASSISTED RESCUE PATH. A portion of the accessible means of egress which begins at the area of rescue assistance and terminates at the public way. BLEACHERS. Tiered seating supported on a dedicated structural system and two or more rows high and is not a building element (see "Grandstand"). COLLECTING SAFE AREA. A safe area that receives occupants from the assembly space it serves, as well as from other safe areas. COMMON PATH OF EGRESS TRAVEL. That portion of exit access which the occupants are required to traverse before two separate and distinct paths of egress travel to two exits are available. Paths that merge are common paths of travel. Common paths of egress travel shall be included within the permitted travel distance. CORRIDOR. An enclosed exit access component that defines and provides a path of egress travel to an exit. Corridors shall be either interior or public. Corridor, interior. A corridor that serves only one tenant. In Group E occupancies, corridors serving only one institution shall be deemed as serving a single tenant. Corridor, public. A corridor that serves more than one tenant. CROSS AISLE. An unenclosed exit access component in a place of assembly usually parallel to rows of seats, connecting aisles or connecting an aisle and an exit. For the purposes of this chapter, a cross aisle is not an aisle. DEAD END. A portion of a corridor in which the travel to an exit is in one direction only. DOOR, BALANCED. A door equipped with double-pivoted hardware so designed as to cause a semicounterbalanced swing action when opening. EGRESS COURT. A court or yard which provides access to a public way for one or more exits. EMERGENCY ESCAPE AND RESCUE OPENING. An operable window, door or other similar device that provides for a means of escape and access for rescue in the event of an emergency. EXIT. That portion of a means of egress system, which is separated from other interior spaces of a building or structure by fire-resistance-rated construction and opening protectives as required to provide a protected path of egress travel between the exit access and the exit discharge. Exits include exterior exit doors at the level of exit discharge, vertical exit enclosures, exit passageways, exterior exit stairways, exterior exit ramps and horizontal exits, but do not include access stairs, aisles, exit access doors opening to corridors, or corridors. EXIT ACCESS. That portion of a means of egress system that leads from any occupied portion of a building or structure to an exit. EXIT ACCESS DOORWAY. A ...