2006 New York Code - Fire-escapes.

 
    §   232.   Fire-escapes.  1.  All  fire-escapes  erected  after  April
  eighteenth,  nineteen  hundred  twenty-nine,  shall  be   arranged   and
  constructed in conformity with the provisions of section fifty-three.
    2.   As   specifically   indicated  in  subdivision  nine  of  section
  fifty-three, a wire, chain, cable, vertical ladder, or rope  fire-escape
  is   an  unlawful  means  of  egress  from  any  apartment.  Every  such
  fire-escape shall be removed and replaced, if required  as  a  means  of
  egress, by a system of fire-escapes constructed and arranged as provided
  in section fifty-three.