The Floor Plan drawings... are a horizontal section 4\' above the floor control horizontal measurements are two dimensional representations all of the above Solution ans) D- A Floor Plan is a typically projected 4ft above the height of the floor,as opposed at an elevation which is measured plane projected from side of a building along its height or crosss section where the building is cut along an axis to reveal a interior structure.A floor plan is a two dimensional representation and contains horizontal measurements and also contains vertical also i.e lenght and width..