Section 17 in The Chennai City Corporation Building Rules, 1972
17. Requirements of rooms as to size, height, ventilation, etc.
- Every room in a domestic building shall comply with the following provisions:-(a)Height of rooms. - (i) The height of rooms should be measured to the underside of the ceiling in the case of flat roofs and to the underside of the Tie Beam. Bressemmer or width plate in the case of pitched roof.(ii)In the case of flat roof, the height shall be every part not less than two metres and seventy five centimetres provided that in buildings which are fully air conditioned, the height may be two and a half metres.(iii)In the case of pitched roof, the height shall not be less than two and half metres.(b)Width of rooms. - Every habitable room other than kitchen shall have an average width of not less than two and a half metres for a distance of at least three metres along with the length of the room.(c)Size of rooms. - Every room shall contain at least seven and a half square metres of floor area except bath rooms, lavatories, kitchens, reception halls, dressing rooms and sleeping porches. At least one room in every apartment shall have a floor area of not less than eleven and two tenths square metres and the total floor area of every apartment shall not be less than eighteen and four tenths square metres.(d)Kitchen. - Every kitchen shall have a clear superficial area of not less than -(i)three and three fourths square metres in the case of tenements with a single room;(ii)five and six tenths square metres in the case of tenements with two or more rooms.
