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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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Allocation of Bldg Service Areas

Norman Elbin
Fairmount Properties
October 18, 2012

For multi-story office, does BOMA Method A allocate Building Service Areas to each Occupant space?

Adam Fingret
Extreme Measures Inc.
October 18, 2012

Yes Method A proportionately allocates Building Service Area to all of the tenants in the building.

Norman Elbin
Fairmount Properties
October 18, 2012

I have studied the sample spreadsheet titled "Chart 3 Legacy Method A Global Summary of Areas"
and I don't see where or how this allocation is made. I am trying to build a spreadsheet based on the formulas contained in this chart but I just don't see this allocation. Can you explain?

Adam Fingret
Extreme Measures Inc.
October 18, 2012

Norman,

I can't really tell you how to make your own chart as this goes beyond our mandate to assist with "interpretation" of the standard, however...

Column M - R/U Ratio, represents the floor common load factor
Column O - R/O Ratio, represents the building common load factor
Column P - Load Factor A, represents the total/combined load factor (this number is mostly a convenience)

I hope this helps

Norman Elbin
Fairmount Properties
October 19, 2012

Thanks for that response. One other question related to Chart 3. Column J is described as "Usable Area (U)" and column N is described as "Occupant + Allocated Area (O)". What do the (U) and (O) stand for in the descriptions?

Adam Fingret
Extreme Measures Inc.
October 25, 2012

Hi Norman,

The "(U)" refers to the "U" in Column N, as in R/U Ratio, and likewise the "(O)" refers to the "O" in Column O, as in R/O Ratio.

It is a bit confusing.

Sarah Larkin
Regus
July 29, 2015

Adam- I'm having a similar quandary as Norman. In studying the chart, I can't figure out how and where building service is getting allocated. Can you explain further?

I'm working on a chart for a two floor building with a multi-tenant first floor and a single tenant second floor and expect the single tenant load factor to be the lower number but it isn't and I'm thinking the building service isn't getting allocated.

David Fingret
Extreme Measures Inc.
July 29, 2015

Hi Sarah,

It sounds like the calculations in your chart might be incorrect. If you carefully follow the calculations provided to you in the BOMA 2010 Office Standard publication, you should be able to figure it out. If you want to send it to us at mail@xmeasures.com, I'll have a quick look for you.

Thanks,
David

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