Duplex House / Magazine Floor
Such constructions should not exceed a third of length and width of the building.
Shaded area is the correct place for these.
In the shaded area, more than one floor may be constructed. Care be taken that all the shaded area be covered in such constructions. Also it may be noted that the roof of the shaded and unshaded areas be one only.
Effect of Duplex house / Magazine floor in debilitating areas (Shown Shaded)