2006 New York Code - General.

 
    §  27-368  General.  (a)  Means  of  egress  shall be provided for all
  buildings by one or more of the facilities listed below. Access and exit
  facilities not specifically covered in this section shall not be used to
  satisfy the exit requirements of this code. Fire escapes  shall  not  be
  permitted  on  new construction, with the exception of group homes. Fire
  escapes may be used as exits on buildings existing  on  December  sixth,
  nineteen hundred sixty-eight when such buildings are altered, subject to
  the  approval  of  the  commissioner,  or as provided in subdivision (b)
  hereof. Elevators or escalators shall be provided in all  new  buildings
  exceeding  four  stories  in  height  except  that buildings or building
  sections classified in occupancy group H-2 exceeding one story in height
  and buildings or building sections classified in occupancy  group  G  or
  J-1 exceeding two stories in height shall be provided with elevators.
    (b)  In  group  homes all floors used by children shall have alternate
  exits remotely located from each other and  readily  accessible  to  the
  occupants.  Fire  escapes  shall  be  permitted  as  the second means of
  egress.