Construction Floor Area Definition

Construction floor area is used to measure and estimate costs related to the construction of a building.

Construction floor area definition. Residential buildings published by the international property measurement standards coalition ipmsc in september 2016 the floor area of a building is. Gross floor area gfa in real estate is the total floor area inside the building envelope including the external walls and excluding the roof. Floor area designing buildings wiki share your construction industry knowledge. 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 floor area of a building is the sum of the gross area of each floor of the building excluding mechanical space cellar space floor space in open balconies elevators or stair bulkheads and in most zoning districts floor space used for accessory parking that is located less than 23 feet above curb level. This is the sum of all areas at all floor levels including basements mezzanine floors balconies and enclosed rooftop structures measured to the outer face of the external. 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. According to the international property measurement standards ipms.

Construction floor area is the total space in a building including. The definition of building area is the area included within the surrounding exterior walls of the building and the definition further states that the floor area of a building or portion thereof not provided with surrounding exterior walls shall be the usable area under the horizontal projection of the roof or floor above. A building s construction floor area is important for not only controlling costs but also for designing standard fixtures and other physical properties found in most residential and commercial structures. Building owners or ahj authorities having jurisdiction usually adopt the definition by one of these agencies.

Definitions of gfa including which areas are to be counted towards it and which areas aren t vary around the world. Floor area definitions vary depending on the defining agency.