Every dwelling unit which is intended for occupancy as an efficiency,
bachelor, studio, kitchenette or similar type of apartment and which
contains a room not intended primarily for either cooking or for sleeping,
but which is properly designed and equipped or especially furnished
with kitchenette and bed furniture, properly designed for daytime
storage or other daytime uses, to be maintained as a combination or
regular living and efficiency sleeping unit, shall have a minimum
of 100 square feet of habitable floor area for the first occupant
and 50 square feet for each additional occupant, exclusive of that
area designated as a kitchenette and bathroom or toilet room.