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Glossary Term Defined

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Floor Penetrations / Major Vertical Penetrations

BOMA OFFICE STANDARD 2010

A floor opening in excess of (1)square foot (0.1 square meter) that serves vertical building systems or vertical occupant circulation functions. Floor penetrations include stairs, elevators shafts, flues, pipe shafts, vertical ventilation ducts and their enclosing walls. Floor openings between two or more floors that are removed or controlled exclusively by a single occupant are included in the occupant area of that occupant and referred to as Occupant Voids. Occupant Voids may include but are not limited to private stairs, private elevators, dumbwaiters, exhaust shafts, etc.

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