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<br /> 101-86 , LIFE SAFETY CODE • ,
<br /> exists 5 ft (152 cmJ or more of space between the top of the 12-3.63.5 Fixed view panels of wired glass, in steel or other
<br /> ceiling subsystem and the bottom of the floor or rooJ above, � approved metal frames, limited to 1,296 sq in. (.84 sq m) in
<br /> provided: i area, may be installed in these doors.
<br /> (aJ The ceiling shall have been tested as a part of a fire- Exception: There shall be no restrictions in area and fire
<br /> rated assembly tn accordance with NFPA 251,Standard Meth- resiStance ojglass and frames in buildings protected through-
<br /> ods of Fire Tests of Building Construction and Materials,for a � out by an approved supervised automatic sprinkler sys[em
<br /> test period of II hour or more, and insralled in accordance with Section 7-7.
<br />' (bJ Corridor'partitions form smoketight joints with the ceil-
<br /> ings (joint filler, if used, shall be noncombustibleJ and, 12-3.6.3.6 Dutch doors may be used where they conform to
<br /> I� (cJ Each corripartment of interstitial space that constitutes a 12-3.6.3,and in addition,both upper leaf and lower leaf shall be
<br /> separate smoke;area is vented, in case of smoke emergency, to equipped with a latching device, and the meeting edges of the
<br />' the outside by mechanical means having sufficient capacity to upper and lower leaves shall be equipped with an astragal,rab-
<br /> provide at least'two air changes per hour, but in no case having bet, or bevel.
<br /> a capacity less �han 5,000 cfm (2.36 cu m/sJ, and Dutch doors protecting openings in enclosures around haz-
<br /> (dJ The interstitia! space shall not be used for storage, ardous areas shall comply with NFPA 80, Standard for Fire
<br /> and i Doors and Windows.
<br /> (eJ The space shall not be used as a plenum jor supply,
<br /> exhaust or retu`rn air except as noted in (cJ. 12-3.6.4 Transfer Grilles. Transfer grilles, whether or not
<br /> ; protected by fusible link operated dampers,shall not be used in
<br /> 12-3.6.2.2 Corridor walls shall form a barrier to limit the these walls or doors.
<br /> transfer of smoke. Exception. Doors to toilet rooms, bathrooms, shower rooms,
<br /> � sink closets and similar auxiliary spaces that do not contain
<br /> 12-3.6.2.3 Fixed wired glass vision panels shall be permitted
<br /> in corridor walls; provided they do not exceed 1,296 sq in. (.84 ./fammable or combustible materials may have ventilating lou-
<br /> sq m) in area and are mounted in steel or other approved metal vers or may be undercut
<br /> frames. �
<br /> Exception: There shall be no restrictions in area and fire 12-3.7* Subdivision of Building Spaces.
<br /> resistance of glass and frames in buifdings protected through- 12-3.7.1 Smoke barriers shall be provided, regardless of
<br /> Iout by an approved supervised automatic sprinkler system building construction type, as follows.
<br /> installed in acco�l dance with Section 7-7 (a) To divide every story used by inpatients for sleeping br
<br /> 12-3.6.3* Corridor poors. treatment,or any story having an occupant load of 50 or more
<br /> persons, regardless of use, into at least two compartments,
<br /> 12-3.6.3.1 Doors protecting corridor openings in other than and -
<br /> required enclosu�res of vertical openings, exits, or hazardous
<br /> areas shall be substantial doors, such as those constructed of �b) To limit on any story the length and width of each smoke
<br /> � i compartment to no more than 150 ft (45 m).
<br /> I/4-in. (4.4-cm) solid bonded core wood or of construction that
<br /> will resist fire fo'r at least 20 minutes. Exception No. 1: Protection may be accomplished in con-
<br /> � junction with the provision of horizonta! exits.
<br /> Exception No. 1�: In buildings protected throughout by an
<br /> � approved supervised automatic sprinkler system installed in Exception No. 2. One dimension may be extended provided
<br />' accordance withl Section 7-7, the door construction require- that the total width plus length does not exceed 300 ft (91 mJ
<br /> ments noted above are not required, but the doors shall be con- and provided that fravel distance from a room to a smoke bar-
<br /> � rier door or horizontaf exit is no more than I50 t 45 m .
<br /> structed to resist�the passage of smoke.. .f � �
<br /> Exception No. 2: Doors to toflet rooms, bathrooms, shower
<br /> rooms, sink clos'ets, and similar auxiliary spaces that do not 12-3.7.2 Smoke barriers shall be provided on stories that are
<br /> i contain flammab�le or combustible materials. usable but unoccupied.
<br /> 12-3.6.3.2 Doo Is shall be provided with latches suitable for
<br /> keeping the door'�closed and acceptable to the authority having 12-3.7.3 Any required smoke barrier shall be constructed in
<br /> jurisdiction. accordance with Section 6-3 and shall have a fire resistance
<br /> rating of at least 1 hour.
<br /> Excepiion: Doors to toilet rooms, bathrooms,shower rooms, Exception. Where an atrium is t�sed,smoke barriers may ter-
<br /> sink closets, and`similar auxiliary spaces that do not contain
<br /> flammable or combustible materials minate at an airium wall constructed in accordance with
<br /> Exception No. 2 to 6-2.4.5(gJ A minimum of two separate
<br /> 12-3.6.3.3 Doorl frames shall be labeled, or shall be of steel smoke compartments shall be provided on each floor.
<br /> construction, or shall be of other materials complying with the
<br /> requirements of NFPA 252,Standard Methods of Fire Tests oj 12-3.7.4 At least 30 net sq ft (2.8 sq m) per patient in a
<br /> Door Assemblies� hospical or nursing home or 15 net sq ft(1.4 sq m) per resident
<br /> Exception: Door frames in buildings protected throughout by � in a limited care facility shall be provided within the aggregate
<br /> � an approved supervised automatic sprinkler system installed in area of corridors, patient rooms, treatment rooms, lounge or
<br /> accordance with Section 7-7. dining areas, and other low hazard areas on each side of the
<br /> I � smoke barrier. On stories not housing bed or litter patients, at
<br /> 12-3.6.3.4 Doorl closing devices are not required on doors in least 6 net sq ft (.56 sq m) per occupant shall be provided on
<br /> corridor wall operiings other than those serving required enclo- each side of the smoke barrier for the total number of occupants
<br /> sures of vertical ipenings, exits, or hazardous areas. in ad�oimng compartments.
<br /> �see eomoN �
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