2022 New York Laws
MDW - Multiple Dwelling
Article 6 - Converted Dwellings
Title 2 - Fire Protection
192 - Cellar Entrance.

§  192.  Cellar  entrance.  a. If there is a cellar, there shall be an
independent entrance thereto from outside the dwelling  by  means  of  a
metal  fire  ladder  or  fireproof  stair  leading  to an opening in the
outside cellar wall at least two feet six inches in width and  six  feet
in  height.  Such  entrance  to  the cellar may be through an areaway or
through a fireproof passageway  leading  directly  to  the  street.  The
entrance  to  the cellar may be closed off with a grating or doors which
shall not be locked or bolted unless they can  be  readily  unbolted  or
unlocked  from  the  inside  without  a  key  and  shall be arranged and
constructed so as to be readily opened at all times.
  b. In lieu of the requirements set  forth  in  subdivision  a  hereof,
buildings existing November first, nineteen hundred forty-nine in cities
having  a  population  between five hundred thousand and one million may
comply with the following:
  1. shall have an unobstructed entrance through a yard or court from  a
street:
  (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.