404.3 - Automatic sprinkler protection
An approved automatic sprinkler system shall be installed throughout the entire building. [F]
Exceptions:
1. That area of a building adjacent to or
above the atrium need not be sprinklered provided that portion of the building
is separated from the atrium portion by not less than 2-hour fire
barriers constructed in accordance with Section 707 or
horizontal assemblies constructed in accordance with Section
712, or both.
2. Where the ceiling
of the atrium is more than 55 feet (16 764 mm) above the floor, sprinkler
protection at the ceiling of the atrium is not required.
Notes
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