- (1) Height. - The height of a bathroom or water closet measured from the surface of the floor to the lowest point in the ceiling (bottom of slab) shall not be less than 2.2 metres.(2)Size. - (i) The size of a bathroom shall not be less than 1.5 square metres. The floor area of water closet shall be 1.1 square metres with a minimum width of 0.9 metre. If bath and water closet are combined, its floor area shall not be less than 2.4 square metres with a minimum width of 1.2 metres. The area of W.C. with wash basin shall not be less than 1.3 square metres.(ii)In case of Special Housing Scheme referred to in Rule 66 (3) (ii), the sizes of bathrooms/water closets shall be as follows:-(a)independent water closet-1.1 m X 0.9 metre(b)independent bathroom-1.3 m X 1.1 metres(c)combined bathroom and closet-2.0 square metres with minimum width of 1.1 metres.(d)Water closet with wash basin-1.3 square metres.(3)Other requirements. - Every bathroom or water-closet shall,-(a)be so situated that at least one of its walls shall open to external air;(b)not be directly over or under any room other than another water-closet, washing place, bath or terrace, unless it has a water tight floor;(c)have the platform or seat made of watertight non-absorbent material;(d)be enclosed by wall or partitions and the surface of every such wall or partition shall be finished with a smooth impervious material to a height of not less than 1 metre above the floor of such a room;(e)be provided with an impervious floor covering, sloping towards the drain with a suitable grade and not towards verandah or any other room; and(f)have a window or ventilator, opening to a shaft or open space, of area not less than 3 square metres with side not less than 0.3 metre.(4)No room containing water-closet shall be used for any purpose except as a lavatory and no such room shall open directly into any kitchen or cooking space by a door, window or other opening. Every room containing water closet shall have a door completely closing the entrance to it.
