This help desk is a free resource intended for discussion purposes only. Neither BOMA, its chapters, affiliates, or Extreme Measures Inc.® are responsible for the information, comments or opinions expressed herein. For complete information, refer to the official publications of the standards themselves.
Hello, I have a building stair with its vestibule adjacent to the stairwell shaft. The vestibule is not a landing, it is not part of the stair shaft. There is a 5' wide opening between the vestibule and the stairwell, no door.
This vestibule is the only access to the stairwell.
On a handful of tenant floors there are 2 doors and this vestibule is used as a cross corridor.
Since this vestibule is not within the stairwell shaft can I allocate to FSA?
Hi Veronica,
You should be ok to include the vestibule area up to the stair riser as Floor Service Area. The standard states:
Where there is no Base-Building wall directly adjacent to a Vertical Circulation Area, the area of MVP shall terminate at the Floor opening or at its ingress/egress point, where the stair riser intersects the Floor.
I believe that this covers the situation you are describing.
Thanks,
David