Floor Area Definition Building Code
The floor area within the inside perimeter of the exterior walls of the building under consideration exclusive of vent shafts and courts without deduction for corridors stairways ramps closets the thickness of interior walls columns or other features.
Floor area definition building code. Floor area means the area expressed in square feet or such other unit as the lessor may determine of all floors and mezzanines of all storeys in each interior leasable space in the building or any specified portion thereof calculated by measuring from the exterior surfaces of the exterior walls and of all walls adjoining common facilities from the centre line of party or demising walls. The floor area ratio is the relationship between the total amount of usable floor area that a building has or has been permitted to have and the total area of the lot on which the building stands. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. Building owners or ahj authorities having jurisdiction usually adopt the definition by one of these agencies.
The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. The area included within surrounding exterior walls or exterior walls and fire walls exclusive of vent shafts and courts areas of the building not provided with surrounding walls shall be included in the building area if such areas are included within the horizontal projection of the roof or floor above. The area included within surrounding exterior walls or exterior walls and fire walls exclusive of vent shafts and courts. An area where persons unable to use stairways can.