NYCAC

Article 6 - SMOKE DETECTING DEVICES¶

Section 27-978¶

Section 27-978

  § 27-978 Definitions. For the purposes of this article: a. an existing
building is one which is within occupancy group J-1, occupancy group J-2
or  occupancy  group  J-3  and for which plans have been approved by the
department on  or  prior  to  December  thirty-first,  nineteen  hundred
eighty-one.
  b.  an  improvement  or alteration is a physical change in an existing
structure  other  than  painting,  repairs  and  normal  replacement  of
maintenance items.
  c.  a  building shall be deemed to have been substantially improved or
altered if:
  1. the cost of improvement  or  alteration  exceeds  the  sum  of  one
hundred fifty thousand dollars, or
  2. in either occupancy group J-1 or occupancy group J-2, fifty percent
or  more  of  the  dwelling  units  or  square feet of the structure are
improved or altered and the  cost  of  such  improvement  or  alteration
exceeds the sum of fifteen thousand dollars per dwelling unit, or
  3. there has been a change in the occupancy or use of the structure.

Section 27-979¶

Section 27-979

  § 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.

Section 27-980¶

Section 27-980

  §  27-980  Power  sources  of  smoke detecting devices. Dwelling units
shall be equipped with smoke detecting devices receiving  their  primary
power  from  the  building  wiring and there shall be no switches in the
circuit  other  than  the  over-current  device  protecting  the  branch
circuit;  provided,  however,  that dwelling units in existing buildings
may,  in  the  alternative,  be  equipped  with  battery-operated  smoke
detecting devices except where such buildings are substantially improved
or altered on or after January first, nineteen hundred eighty-two.

Section 27-981¶

Section 27-981

  §  27-981  General  requirements  for  smoke detecting devices. a. All
smoke detecting devices required to be provided and  installed  pursuant
to  this  article  shall  either  be  accepted  pursuant  to  rules  and
regulations promulgated by the commissioner or be listed by a nationally
recognized independent laboratory that maintains periodic inspections of
production of  listed  equipment  and  whose  listing  states  that  the
equipment   meets   nationally   recognized   standards.   To  meet  the
requirements of  this  article,  such  laboratory  shall  be  one  which
maintains  a  periodic  follow-up  service  of  the  devices  to  ensure
compliance with the original listing.
  b. No device shall be deemed to be in compliance with  the  provisions
of  this  article  unless  it  is  of  either  the ionization chamber or
photo-electric type. Such  devices  shall  be  in  compliance  with  the
requirements  of reference standard RS 17-11 and shall be installed in a
manner consistent with the requirements of reference standard  RS  17-12
except  that  devices  within  occupancy  group  J-1  shall be installed
pursuant to rules and regulations promulgated by the commissioner.