Page 225 - ICC IEBC 2018

RESOURCE A

FIGURE 1.2.1
METAL FRAME WALLS
0″ TO LESS THAN 4″ THICK
NUMBER OF
ASSEMBLIES

15

36
32
The number in each box is
31
10 keyed to the last number in the
29 Item Code column in the Table.
24 For example:
23 W-3-Me-34
21
26 20
5
16 14
9 30 13 34
4 25 12 35 27
2 22 7 28 19 10 33
15 1 8 3 11 6 5 18 17
0
0 1 2 3 4
FIRE RESISTANCE RATING (HOURS)

TABLE 1.2.1
METAL FRAME WALLS
0″ TO LESS THAN 4″ THICK
PERFORMANCE REFERENCE NUMBER
REC.
ITEM CODE THICKNESS CONSTRUCTION DETAILS POST-BMS- NOTES
LOAD TIME PRE-BMS-92 BMS-92 HOURS
92
Core: steel channels having three rows of
1
4″ × / ″ staggered slots in web; core filled
8
W-3-Me-1 3″ with heat expanded vermiculite weighing N/A 25 min. 1 1 /
3
2
1.5 lbs./ft. of wall area; Facings: sides 1 and
2, 18 gage steel, spot welded to core.
Core: steel channels having three rows of
1
4″ × / ″ staggered slots in web; core filled
8
W-3-Me-2 3″ with heat expanded vermiculite weighing 2 N/A 30 min. 1 1 /
2
2
lbs./ft. of wall area; Facings: sides 1 and 2,
18 gage steel, spot welded to core.
Solid partition: / ″ tension rods (vertical)
3
8
3′ o.c. with metal lath; Scratch coat: cement/
1
W-3-Me-3 2 / ″ sand/lime plaster; Float coats: cement/sand/ N/A 1 hr. 7 1 1
2
lime plaster; Finish coats: neat gypsum
plaster.
Solid wall: steel channel per Note 1;
W-2-Me-4 2″ 2″ thickness of 1:2; 1:3 portland cement on N/A 30 min. 1 1 /
2
metal lath.
(continued)
206 2018 INTERNATIONAL EXISTING BUILDING CODE ®
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