The provisions of this chapter shall not apply to buildings used exclusively for private residence purposes, except hotels in which there are more than fifteen sleeping rooms, tenement houses in which there are more than five apartments, and houses or apartments in which more than five houses or apartments are heated from the same boiler or furnace. It shall apply to stacks connected with all other buildings, steam boilers, locomotives, furnaces and heating apparatus of any description within the City.
(R.O. 1946, C. 30, Sec. 1.)