No person shall operate a rooming house or shall occupy or let
to another for occupancy any rooming unit in any rooming house which
does not comply with the requirements of this article.
The operator of every rooming house shall be responsible for
the sanitary maintenance of all walls, floors and ceilings, and for
maintenance of a sanitary condition in every other part of the rooming
house; and he shall further be responsible for the sanitary maintenance
of the entire premises where the entire structure or the building
is leased or occupied by the operator.
Every room occupied for sleeping purposes by one person shall
contain at least 70 square feet of floor space, and every room occupied
for sleeping purposes by more than one person shall contain at least
50 square feet of floor space for each occupant thereof.