2006 New York Code - Area Of Refuge.

 
    §  27-372  Area  of  refuge.  Areas  of  refuge  shall comply with the
  following:
    (a) Separation. Areas of refuge shall be separated from the area which
  they serve by construction having at least a  two  hour  fire-resistance
  rating.
    (b)  Floor  area.  Areas of refuge shall provide clear public space or
  space occupied by the same tenant or owner, adequate in size to hold the
  occupant load it receives from the floor area it serves as  computed  by
  the  provision  of section 27-367 of article four of this subchapter, in
  addition to its own occupant load, allowing at least three  square  feet
  per  person,  except that in buildings classified in occupancy group H-2
  for patient areas only, the allowance shall be at  least  thirty  square
  feet per person.
    (c)  Required  exits.  Areas of refuge shall be provided with at least
  one vertical exit. When an area of refuge is  located  higher  than  the
  eleventh floor of a building, the vertical exit shall be supplemented by
  at least one elevator.
    (d)  Locking.  Doors providing access to areas of refuge shall be kept
  unlocked at all times when any floor area served by the area  of  refuge
  is occupied.