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Turner Drake & Partners Ltd.
6182 North Street
Halifax, N.S.
B3K 1P5
Canada

Tel.: (902) 429-1811
Toll Free: (800) 567-3033
Fax.: (902) 429-1891

Suite 221
12 Smythe Street
Saint John, N.B.
E2L 5G5
Canada
Tel.: (506) 634-1811

Suite 11
109 Richmond Street
Charlottetown, P.E.
C1A 1H7
Canada
Tel.: (902) 368-1811

35 York Street
St. John's, N.L.
A1C 5M3
Canada
Tel.: (709) 722-1811

4th Floor
111 Queen Street East
Toronto, ON.
M5C 1S2
Tel.: (416) 504-1811

E-Mail: tdp@turnerdrake.com
Internet: www.turnerdrake.com

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Lasercad® (Space Measurement)


Industrial Standard Method of Measurement


The combined Building Owners and Managers Association (BOMA) and the Society of Industrial and Office Realtors (SIOR), Standard Method of Measurement is used to measure industrial and warehouse buildings. This method of measurement states:

Single Occupancy Building

  1. Rentable Area is equal to the aggregate Exterior Gross Area of all floors and mezzanines:

    Floors - measure to the exterior face of exterior walls.
    Mezzanines - measure to the end of their floor limits and/or to the exterior face of any exterior walls to which they are attached.

Multiple Occupancy Buildings

  1. Calculate the Exterior Gross Area of the building including the ground floor and permanent mezzanines.  Measurements are taken to the exterior face of exterior walls and, in the case of mezzanines, to the end limits of the floor bordering interior space.

  2. Calculate the area of all Major Vertical Penetrations (defined as “a floor opening in excess of 1 square foot that serves vertical building systems or vertical occupant circulation”).

  3. Subtract the Major Vertical Penetrations from the Exterior Gross Area to arrive at a Preliminary Floor Area.

  4. Calculate the area of all Occupant Areas (tenant units), Building Amenity Areas, and Building Service Areas.

  5. Determine the Floor Service and Amenity Area by deducting from the Preliminary Floor Area the various Occupant, Building Amenity, and Building Service Areas.

  6. The Floor Service and Amenity Areas are allocated to each tenant by multiplying the various Occupant Areas by the R/U ratio to arrive at Occupant and Allocated Areas.  [The R/U ratio is the factor which distributes the Floor Service and Amenity Areas to the various occupants on a proportionate basis].  The R/U ratio = (Occupant Area + Building Amenity Area + Floor Service and Amenity Areas) ÷ (Occupant Area + Building Amenity Area).

  7. The Building Service and Amenity Areas are then allocated to each tenant through the application of the R/O ratio to calculate their Rentable Area.  [The R/O ratio is the factor which distributes the Building Service and Amenity Areas to all occupants of the building on a proportionate basis].  The R/O ratio = total Preliminary Floor Area ÷ total Occupant and Allocated Area.

  8. The following should be separately disclosed:
    1. ground floor-finished area.
    2. ground floor-unfinished area.
    3. mezzanine-finished area.
    4. mezzanine-unfinished area.
    5. restricted headroom.
    6. connectors.

 

Frequently Asked Questions


   1.    
Q: How are columns treated within an industrial building?

A: Columns are ignored when calculating building areas. As with the BOMA Office Standard, no deductions are made "for columns and projections necessary to the building".

   2.    
Q: Is there more than one Method of Measurement within the BOMA/SIOR Industrial Standard?

A: Yes. Method A is used in most markets to measure industrial space and includes the exterior walls. Method B originates from the need in warm climates to measure industrial buildings which are not fully enclosed with exterior walls.

   3.    
Q: When do I use the BOMA/SIOR Industrial Standard?

A: When the building is at least 51% used for industrial purposes, the BOMA/SIOR Industrial Standard should be used. Flex-use buildings however, should always be measured to the BOMA/SIOR Industrial Standard regardless of the mix of industrial, office or retail uses.