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1103.4.4 Atriums and Covered Malls
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In other than Group I-2 and I-3 occupancies, interior vertical openings in a covered mall building or a building with an atrium 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.
Exceptions:
- Vertical opening protection is not required for Group R-3 occupancies.
- Vertical opening protection is not required for open parking garages.
- Exit access stairways and ramps shall be in accordance with Section 1103.4.8.
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1103.4.4 Construction Requirements for Existing Buildings, Atriums and Covered Malls
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In other than Group I-2 and I-3 occupancies, interior vertical openings in a covered mall building or a building with an atrium shall be protected ...
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