English to French Tech/Engineering Construction / Civil Engineering

Building Area
Means the maximum projected horizontal area of a building at established grade measured to the centre of party walls and to the outside of other walls including air wells, and all other spaces within the building, but excluding open air porches, verandas, steps, cornices, chimney breasts, fire escapes, exterior stairways, breezeways, accessory buildings, ramps and pen loading platforms, balconies and garages.