Extreme Measures Planmine™ Help Desk
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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.

FAQ & Read-Me Articles
What are as-built drawings / models?
What is CAD and BIM?
How do I resolve an area dispute?
Where can I get measurement standards publications?
BOMA Office Overview
BOMA Industrial Overview
BOMA Retail Overview
BOMA Multi-Unit Residential Overview
BOMA Gross Areas Overview
BOMA Mixed-Use Overview
IPMS for Office Overview
Alternative Methodologies
Glossary of Industry Terms

Which Standard should I use?

Patra Philips
O'Brien & Associates
October 5, 2011

I'm going to assume it's the ANSI/BOMA Z65.1-2010 for Office buildings, but here's my question.

I have a new 9 story mixed use building that has Retail and Restaurant on the first level, offices on levels 2-4, and residential on levels 5-9. We've been asked to calculate the building using BOMA standards.
Since they are most interested in the Office rentable areas, and I have 3 floors of that, would the 2010 method for Office buildings be the best way to go? Would I calculate the retail and restaurant spaces with this method as well? Or does the standards allow using 2 different Methods (Office and Retail) in a building?

Adam Fingret
Extreme Measures Inc.
October 5, 2011


The new BOMA mixed-use standard does allow you to use 2 or more uses/methods and share common areas proportionately by means of "mixed-use common area".

If there are resources in the building that are shared by the different uses, then your project is probably a good candidate for the mixed-use standard. I would advise you to give it a good read before deciding for certain, as it does complicate the overall approach somewhat. All of the current Standards are available online at the BOMA Store (http://shop.boma.org).

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