This help desk is for discussion purposes only. Neither BOMA, its affiliates, nor Extreme Measures Inc.® are responsible for the information, comments, or opinions expressed herein. For complete information, please refer to the official publications of the standards themselves.
Vertical Penetration refers to any opening in the floor slab that allows for the passage of building systems or people between floors (stairs, elevators, shafts). These are almost always excluded from rentable area as they represent a "hole" in the occupiable floor plate.