16. Rooming house shall mean a class B converted dwelling with more than half of the rooms in rooming units.
17. Single room occupancy is the occupancy by one or two persons of a single room, or of two or more rooms which are joined together, separated from all other rooms within an apartment in a multiple dwelling, so that the occupant or occupants thereof reside separately and independently of the other occupant or occupants of the same apartment. When a class A multiple dwelling is used wholly or in part for single room occupancy, it remains a class A multiple dwelling.
18. A lodging house is a multiple dwelling, other than a hotel, a rooming house or a furnished room house, in which persons are housed for hire for a single night, or for less than a week at one time, or any part of which is let for any person to sleep in for any term less than a week.
19. Public hall shall mean a hall, corridor or passageway within a building but outside of all apartments and suites of private rooms.
20. Public part of a dwelling includes a public hall and any space used in common by the occupants of two or more apartments or rooms, or by persons who are not tenants, or exclusively for mechanical equipment of such dwelling or for storage purposes.
21. Living room shall mean any room within a dwelling unit except a dining space, kitchenette, bathroom or water closet compartment, foyer or private hall, corridor or passageway.
22. The floor area is the clear area of the floor contained within the partitions or walls enclosing any room, space, foyer, hall or passageway of any dwelling.