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807.2.2 Mechanical and Emergency Generator Equipment and Systems
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Wall and floor-ceiling assemblies that separate a mechanical equipment room or space from the remainder of the building shall have a sound transmission class (STC) of not less than 50 or an apparent sound transmission class (ASTC) of not less than 45 if the completed construction is field tested, Wall and floor-ceiling assemblies that separate a generator equipment room or space from the remainder of the building shall have a sound transmission class (STC) of not less than 60 or an apparent sound transmission class (ASTC) of not less than 55 if the completed construction is field tested.
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Related Code Sections
807.2.2 Indoor Environmental Quality and Comfort, Mechanical and Emergency Generator Equipment and Systems
Wall and floor-ceiling assemblies that separate a mechanical equipment room or space from the remainder of the building shall have a sound ...
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