(1) Every bathroom or water closet shall—
(i) be so situated that at least one of its walls shall be open to external air;
(ii) not preferably be directly over or under any room other than another latrine, garage, washing place, bath or terrace, unless it has a water-tight floor;
(iii) have the platform or seat either plastered with cement or made of some water-tight non-absorbent material;
(iv) be enclosed by walls or partitions of bricks. Surface of every such wall or partition shall be furnished with a smooth, impervious material, such as cement plaster 1.3 cm thick or glazed tiles or polished marble or any suitable materials to a height of not less than 1 m (3 ft) above the floor of such a room;
(v) be provided with an impervious floor covering sloping towards the drain; and
(vi) have a floor level of such a height as to ensure suitable grade towards the sewage drain.
(2) Every room to be used as kitchen shall have—
(i) a floor area as provided under rule 117(2);
(ii) either a suitable flue for the escape of heated air or an approved form of smokeless chulla;
(iii) a height as provided in rule 116(3);
(iv) unless separately provided in a pantry, means for the washing up of kitchen utensils which shall lead directly or through a sink to a grated and trapped connection to the waste pipe.