1103.4.2 Three to Five Stories
In other than Group I-2 and I-3 occupancies, interior vertical openings connecting three to five stories shall be protected by either 1-hour fire-resistance-rated construction or an automatic sprinkler system shall be installed throughout the building in accordance with Section 903.3.1.1 or 903.3.1.2.
- Vertical opening protection is not required for Group R-3 occupancies.
- Vertical opening protection is not required for open parking garages.
- Vertical opening protection for escalators shall be in accordance with Section 1103.4.5, 1103.4.6 or 1103.4.7.
- Exit access stairways and ramps shall be in accordance with Section 1103.4.8.