Section 27-366. Exits from floors

1. There shall be at least two independent
  exits,  remote  from  each other, from every floor of a building, except
  that only one exit may be provided from floors in:
    (a) One and two family dwellings.
    (b) Buildings classified in  occupancy  group  J-2  of  noncombustible
  construction  group  I or occupancy group E that are not more than sixty
  feet in height, have a gross area of two thousand square  feet  or  less
  per  floor,  and  have  a  maximum  travel distance of fifty feet on any
  floor.
    (c) Buildings classified in occupancy group J-1 or J-2  that  are  not
  more  than  two  stories  and  thirty  feet in height and have a maximum
  travel distance of eighty feet and the corridors and stair enclosure are
  provided  with  automatic  sprinkler  protection  complying   with   the
  construction provisions of subchapter seventeen of this chapter.
    (d)  Buildings  classified in occupancy group J-2 occupied exclusively
  by not more than one family on each story without boarders,  roomers  or
  lodgers  and  not  more than three stories and forty feet in height, and
  the stair enclosure is  provided  with  automatic  sprinkler  protection
  complying  with  the  construction provisions of subchapter seventeen of
  this chapter and without  openings  between  any  garage  and  the  exit
  passageway.
    (e)  Buildings  classified  in occupancy group J-2 not more than three
  stories and forty feet in height occupied by not more than four families
  on each story.
    2. Notwithstanding the exit requirements of this section, in buildings
  classified in occupancy group J-2 of construction class I-A,  one  level
  of  an  apartment occupying a part of not more than two floors need only
  be provided with a balcony that complies with subdivision (g) of section
  27-369 of article five of this subchapter, provided that,  in  addition,
  the stair within such apartment shall be at least two feet six inches in
  width  and  terminates not more than twenty feet from a corridor door on
  the other level that shall provide the required access to at  least  two
  independent  exits.  The  center line of such corridor door shall be not
  more than fifty feet from any room within such apartment.
    3. Notwithstanding any other provision of this section, when, within a
  building, any place of  assembly  has  an  occupant  load  between  five
  hundred and nine hundred ninety-nine persons, there shall be provided at
  least  three independent exits, remote from each other, from each floor;
  any such place of assembly with an occupant load of one thousand or more
  persons shall be provided with at least four independent  exits,  remote
  from each other, from each floor.