Section 14 in Tamil Nadu District Municipalities (Hill Stations) Building Rules, 1993
14. Ventilation of Building.
(1)Every room which is intended for human habitation, shall be furnished with sufficient number of windows and ventilators totally providing a ventilation area of not less than one-tenth of the floor area of the room, affording effectual means of ventilation by direct communication with the external air:Provided that every latrine or bath shall be provided with ventilation area of not less than 0.30 square metre.(2)Every dwelling house should be provided with a kitchen and the kitchen shall be provided with a total ventilation area of not less than one-tenth of the floor of kitchen:Provided that sufficient arrangements shall be made for the exhaust of smoke and effectual means of drainage to the satisfaction of the executive authority.
