(a) Every room in a residential building which is intended to be used as an inhabited room shall be provided for the purpose of light and ventilation with windows, clear storey windows, doors and apertures having a total area of not less than 1/6 at the floor area of the room.
(b) Stores, backroom and the like:- These will have at least half of the ventilation required for living rooms. When such ventilation by apertures in walls is not possible or advisable, at least there shall be ventilation by means of a flow or chimney.
(c) Laundry and recreation room:
Laundry and recreation rooms located above the basement shall be lighted by window located in exterior walls having openings of not less than 10 p.c. of the floor area.
(d) Basement and cellars: - Basement and cellars and all rooms located therein, except storage rooms, shall be lighted and ventilation area of not less than 5 p.c. of the floor area.
(e) Kitchen:- Every kitchen shall be ventilated according to the standards of habitable rooms.