This Architectural Drawing is AutoCAD 2d drawing of Detail of plinth projections in AutoCAD, dwg file. Plinth area is the covered built-up area measured at the floor level of any storey or at the floor level of the basement. Plinth area is also called as built-up area and is the entire area occupied by the building including internal and external walls. Plinth area is generally 10-20% more than carpet area. For more details and information download the drawing fiole.