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[BG] A103.1.9.3 SP-3, Atrium
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An opening through two or more floor levels of a building defined by other use groups, other than for enclosed stairways, elevators, hoistways, escalators, plumbing, electrical, air-conditioning or other equipment, that is closed at the top and not defined as a mall. Risk and hazard levels shall correspond to the use group of the building within which the atrium is located.
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Related Code Sections
A103.1.9.3 Risk Factors of Use and Occupancy Classifications, SP-3, Atrium
correspond to the use group of the building within which the atrium is located ...
Section 404 Special Detailed Requirements Based on Use and Occupancy, Atriums
The adjacent spaces of any three floors of the atrium shall not be required to be separated from the atrium where such spaces are accounted ...
Section 404 Special Detailed Requirements Based on Use and Occupancy, Atriums
barrier is not required between the atrium and the adjoining spaces of any three floors of the atrium provided such spaces are accounted ...
Section 404 Special Detailed Requirements Based on Occupancy and Use, Atriums
between the atrium and the adjoining spaces of up to three floors of the atrium provided that such spaces are accounted for in the design of the smoke ...
707.3.5 Fire and Smoke Protection Features, Atriums
The fire-resistance rating of the fire barrier separating atriums shall comply with Section 404.6 ...