(a) directly to exterior dwelling entrance with interior entrance to
basement or cellar direct from said entrance, or from a fire retarded
public hall or stair landing, and
(b) to one or more cellar or basement walls containing accessible
windows.
2. The stairway leading to cellar or basement shall be enclosed with
fire retarded partitions or equal construction and shall have a minimum
fire rating of one hour. Said cellar or basement entrance shall be
equipped with a one hour self-closing fire door assembly.
Structure New York Laws