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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.

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One story, Single tenant Restrooms

Monica Newhard
February 24, 2020

We have a single tenant in a one story building. The design of the new space will have restrooms distributed throughout the floor. Would the Code required restrooms be considered Floor Service Area and any additional restrooms be considered Tenant Area, since they are discretionary?

I'm having trouble figuring out how to calculate Method A column M, Building Totals SUM. Would this be an average of the column floor allocation ratio? How is the sum calculated?


David Fingret
Extreme Measures Inc.
February 26, 2020

Hi Monica,

If you are using BOMA 2017 Office Standard for the single tenant Building rather than BOMA Gross Areas, it is applied the same as a multi-tenant building. In a single story building, use Building Service Area instead of Floor Service Area. Your determination as to whether the restrooms are Tenant Area or Building Service Area should be determined based on whether the restroom is Permanent or Non-Permanent according to their definitions in the standard. A Permanent Restroom will be Service Area and a Non-Permanent restroom will be Tenant Area.


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