2006 New York Code - Smoke Detecting Devices; Where Required.

 
    §  27-979  Smoke  detecting  devices; where required. (a) On and after
  January first, nineteen hundred eighty-two, all  dwelling  units  within
  occupancy  group  J-1  and  occupancy group J-2, except such units which
  contain operational automatic wet sprinkler systems pursuant to  article
  four  of  this  subchapter,  and  dwelling  units  in  buildings  within
  occupancy group J-3 shall be  equipped  with  approved  and  operational
  smoke  detecting  devices  as  hereinafter  provided.  Buildings  within
  occupancy group  J-1  may,  in  the  alternative,  be  equipped  with  a
  line-operated zoned smoke detecting system with central annunciation and
  central  office  tie-in  for  all  public  corridors  and public spaces,
  pursuant to rules and regulations promulgated by the  commissioner.  The
  commissioner may, upon good cause shown, extend the period of compliance
  for  occupancy  groups  J-1  and J-2 to June thirtieth, nineteen hundred
  eighty-two.
    (b)  Approved  and  operational  smoke  detecting  devices  shall   be
  installed in mechanical rooms, electrical switch gear rooms and electric
  and  telephone closets over seventy-five square feet in gross floor area
  in all buildings in all occupancy groups.