Extreme Measures Planmine™ Help Desk
About Us
Sign In / Sign Up
Extreme Measures
Extreme Measures

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
BOMA Office Standards Overview
BOMA Industrial Standards Overview
BOMA Retail Standards Overview
BOMA Multi-Family & Hospitality Standards Overview
BOMA Mixed-Use Overview
BOMA Gross Areas Overview
IPMS: All Buildings Standard Overview
Alternative Measurement Methods
Glossary of Industry Terms
What are as-built drawings/models?
Understanding CAD, BIM & Digital Twins
Resolving area disputes between tenants and landlords
Where to get measurement standards publications

External walls in basement

Damien GANAY
Residential Plus Real Estate Services
September 9, 2015

Do we have to consider external walls (diaphragm wall) in basement in gross building area?

Adam Fingret
Extreme Measures Inc.
September 9, 2015

Hi Damien,

According to the BOMA 1996 Standard, Gross Building Area includes basements (without deduction) and measures to the outside finished surface of permanent outer building walls.

Your Comments ...

Please allow up to 24 hours for your question to appear after it is reviewed.