Boma Floor Area Ratio

This is designed to help prevent rentable areas from fluctuating in the building when floor common areas change.

Boma floor area ratio. Under boma 2017 the lowest level of all major vertical penetrations e g. The rentable area of a floor is fixed for the life of a building and is not affected by changes in corridor sizes and configuration. I understand that it is the preliminary floor area occupant area allocated area. Boma is an area calculation standard used predominantly in the united states.

Boma maintains a suite of floor measurement standards for a variety of property types including. Best practice 1 what boma standard should be used for measuring the floor area of an office building that belongs entirely to one single occupant also applicable to ansi boma z65 1 2010 boma best practice 7 does boma international certify that an individual company or system can perform boma calculations if not how can boma floor area measurements and calculations be certified. Building amenity area is included in the proportionate allocation of floor common area along with tenant areas like building common area in boma 1996 but building service area is not. The floor rentable area is the tenant s pro rata portion of the entire office floor excluding elements of the building that penetrate through the floor to areas below.

The boma standard included in autocad architecture includes the subset of boma rules that are described in the following sections. In other words adding the pro rata common area space to the floor rentable area space will provide the gross rentable area. R o ratio meaning andrew lagow self employed may 17 2017. But then it seems to me that calling it the p o ratio might be more appropriate.

Common area factor for measurement purposes. Floor openings for stairs elevators escalators flues pipe shafts and vertical ventilation ducts are included in square footage calculations. The rentable area of floor area is computed. Under previous boma standards the floor area associated with openings for flues pipe shafts and vertical ventilation.

What does the r and o in r o ratio mean.