Section 2(xxviii) in The Punjab Capital (Development and Regulation) Building Rules, 1952
(xxviii)'Height' as applied to a building shall mean the vertical measurement of the building measured from the finished level of the centre of the street where such street exists, or from the mean level of the ground adjoining the outside of the external walls to half the height of the roof in the case of sloping roofs and to the highest level of the building in the case of buildings with flat roofs excluding the projected portions of mamties, flues, ducts, minarets and parapets not exceeding three feet six inches in height and as applied to a room shall mean the vertical measurement from the upper surface of the floor to the under surface of the ceiling of the same room joist and beams being allowed to project beneath the ceiling; and in the case of a shaped or sloping ceiling, the height shall be mean height of any such room.
