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Forum Categories BOMA 2010 - Office Buildings Question

External Circulation (Building Service Area) and Occupant Area space class boundary

Kaitie Gay: Perkins Eastman; March 6, 2020

Hello,

We have a one-story multi-tenant office building with no internal corridors and all circulation/egress around the perimeter of the building and a courtyard. With the external circulation being classified as building service area and because it shares a boundary with occupant area, I see in the wall priority diagram that I should locate the space class boundary at the far side of the wall (interior side). Does this far side boundary placement account for when we have over 50% glass and should it jog accordingly? Or is that only when the IGA boundary type is Dominant portion?

Thank you,

Kaitie

David Fingret: Extreme Measures Inc.; March 9, 2020

Hi Kaitie,

According to the standard, wall priority is used between the two applicable space classifications, so dominant surface would not apply at the interior of the building. See "Exterior Areas" in Section 6, Page 29. This is further supported in illustration 6 on page 41.

Thanks,
David