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Section 1019 Exit Access Stairways and Ramps

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1019.1 General
Exit access stairways and ramps serving as an exit access component in a means of egress system shall comply with the requirements of this section. The number of stories connected by exit access stairways and ramps shall include basements, but not mezzanines.
1019.2 All Occupancies
Exit access stairways and ramps that serve floor levels within a single story are not required to be enclosed.
1019.3 Occupancies Other Than Groups I-2 and I-3
In other than Group I-2 and I-3 occupancies, floor openings containing exit access stairways or ramps shall be enclosed with a shaft enclosure constructed in accordance with Section 713.
Exceptions:
  1. Exit access stairways and ramps that serve or atmospherically communicate between only two adjacent stories. Such interconnected stories shall not be open to other stories.
  2. In Group R-1, R-2 or R-3 occupancies, exit access stairways and ramps connecting four stories or less serving and contained within an individual dwelling unit or sleeping unit or live/work unit.
  3. Exit access stairways serving and contained within a Group R-3 congregate residence or a Group R-4 facility are not required to be enclosed.
  4. Exit access stairways and ramps in buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1, where the area of the vertical opening between stories does not exceed twice the horizontal projected area of the stairway or ramp and the opening is protected by a draft curtain and closely spaced sprinklers in accordance with NFPA 13. In other than Group B and M occupancies, this provision is limited to openings that do not connect more than four stories.
  5. Exit access stairways and ramps within an atrium complying with the provisions of Section 404.
  6. Exit access stairways and ramps in open parking garages that serve only the parking garage.
  7. Exit access stairways and ramps serving smoke-protected or open-air assembly seating complying with the exit access travel distance requirements of Section 1030.7.
  8. Exit access stairways and ramps between the balcony, gallery or press box and the main assembly floor in occupancies such as theaters, places of religious worship, auditoriums and sports facilities.
  9. Exterior exit access stairways or ramps between occupied roofs.
1019.4 Group I-2 and I-3 Occupancies
In Group I-2 and I-3 occupancies, floor openings between stories containing exit access stairways or ramps are required to be enclosed with a shaft enclosure constructed in accordance with Section 713.
Exception: In Group I-3 occupancies, exit access stairways or ramps constructed in accordance with Section 408 are not required to be enclosed.

Related Code Sections

1017.3.1 Means of Egress, Exit Access Stairways and Ramps
Travel distance on exit access stairways or ramps shall be included in the exit access travel distance measurement. The measurement along stairways ...
1017.3.1 Means of Egress, Exit Access Stairways and Ramps
Travel distance on exit access stairways or ramps shall be included in the exit access travel distance measurement. The measurement along stairways ...
Section 1019 Means of Egress, Exit Access Stairways and Ramps
Exit access stairways and ramps serving as an exit access component in a means of egress system shall comply with the requirements of this section ...
Section 1019 Means of Egress, Exit Access Stairways and Ramps
Exit access stairways and ramps serving as an exit access component in a means of egress system shall comply with the requirements of this section ...