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FIRE AND SMOKE PROTECTION FEATURES

TABLE 716.1(2)
OPENING FIRE PROTECTION ASSEMBLIES, RATINGS AND MARKINGS
MINIMUM MINIMUM SIDELIGHT/
REQUIRED FIRE DOOR TRANSOM ASSEMBLY FIRE-RATED GLAZING MARKING
SIDELIGHT/TRANSOM PANEL
WALL AND FIRE FIRE-RATED RATING (hours)
TYPE OF DOOR VISION
ASSEMBLY ASSEMBLY SHUTTER PANEL SIZE b GLAZING MARKING c, e
RATING ASSEMBLY DOOR VISION PANEL Fire Fire Fire Fire
(hours) RATING protection resistance protection resistance
(hours)
4 3 See Note b D-H-W-240 Not Permitted 4 Not Permitted W-240
Fire walls and 3 3 a See Note b D-H-W-180 Not Permitted 3 Not Permitted W-180
fire barriers 100 sq. in. = D-H-90
having a required 2 1 1 / 2 100 sq. in. >100 sq. in.= Not Permitted 2 Not Permitted W-120
fire-resistance D-H-W-90
rating greater
than 1 hour 100 sq. in. = D-H-90
1
1
1
1 / 2 1 / 2 100 sq. in. >100 sq. in.= Not Permitted 1 / 2 Not Permitted W-90
D-H-W-90
Enclosures for
shafts, interior 100 sq. in. = D-H-90
exit stairways 2 1 1 / 2 100 sq. in. c > 100 sq. in.= Not Permitted 2 Not Permitted W-120
and interior exit D-H-T-W-90
ramps.
100 sq. in. = D-H-180
4 3 100 sq. in. > 100 sq. in.= Not Permitted 4 Not Permitted W-240
Horizontal exits D-H-W-240
in fire walls d 100 sq. in. = D-H-180
3 3 a 100 sq. in. > 100 sq. in.= Not Permitted 3 Not Permitted W-180
D-H-W-180
Fire barriers
having a required
fire-resistance
rating of 1 hour:
Enclosures for
shafts, exit access 100 sq. in. = D-H-60 Not
stairways, exit 1 1 100 sq. in. >100 sq. in.= Permitted 1 Not Permitted W-60
access ramps, D-H-T-W-60
interior exit
stairways and
interior exit
ramps; and exit
passageway walls
Fire protection
Other fire barriers 1 3 / 4 Maximum D-H 3 / 4 D-H
size tested

/
/
1 1 b Maximum D-20 3 b D-H-OH-45
size tested
3
4
Fire partitions:
Corridor walls
/
0.5 1 b Maximum D-20 1 / 3 D-H-OH-20
3
size tested
1 3 / 4 Maximum D-H-45 3 / 4 D-H-45
Other fire size tested
partitions Maximum
0.5 1 / 3 size tested D-H-20 1 / 3 D-H-20
(continued)

146 2018 INTERNATIONAL BUILDING CODE ®
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