Page 212 - ICC IEBC 2018

RESOURCE A

FIGURE 1.1.5
MASONRY WALLS
10″ TO LESS THAN 12″ THICK
NUMBER OF
ASSEMBLIES
The number in each box is
10 keyed to the last number in the
Item Code column in the Table.
For example:
W-11-M-33

23 24 32 33
5
10 22 31 30

9 20 25 26 28

8 16 7 21 19

6 12 27 3 17 15

2 4 18 13 11 1 5 14 29
0
0 1 2 3 4 5 6 7
FIRE RESISTANCE RATING (HOURS)

TABLE 1.1.5
MASONRY WALLS
10″ TO LESS THAN 12″ THICK
PERFORMANCE REFERENCE NUMBER
REC.
ITEM CODE THICKNESS CONSTRUCTION DETAILS PRE- POST- NOTES
LOAD TIME BMS-92 HOURS
BMS-92 BMS-92
3
Core: two 3 / ″, 40% solid clay or shale structural tiles
4
3
W-10-M-1 10″ with 2″ air space between; Facings: / ″ portland 80 psi 4 hrs. 1 1, 20 4
4
cement plaster on stucco on both sides.
1
W-10-M-2 10″ Core: cored concrete masonry, 2″ air cavity; see Notes 80 psi 1 hr. 1 1, 20 1 /
3, 19, 27, 34, 40; No facings. 30 min. 2
W-10-M-3 10″ Cored concrete masonry; see Notes 3, 18, 27, 34, 40; 80 psi 4 hrs. 1 1, 20 4
No facings.
W-10-M-4 10″ Cored concrete masonry; see Notes 2, 19, 26, 34, 40; 80 psi 2 hrs. 1 1, 20 2
No facings.
W-10-M-5 10″ Cored concrete masonry; see Notes 2, 18, 26, 33, 40; 80 psi 5 hrs. 1 1, 20 5
No facings.
1
W-10-M-6 10″ Cored concrete masonry; see Notes 2, 19, 26, 33, 41; 80 psi 1 hr. 1 1, 20 1 /
No facings. 30 min. 2
W-10-M-7 10″ Cored concrete masonry; see Notes 2, 18, 26, 33, 41; 80 psi 4 hrs. 1 1, 20 4
No facings.
1
W-10-M-8 10″ Cored concrete masonry (cavity type 2″ air space); see 80 psi 1 hr. 1 1, 20 1 /
Notes 3, 19, 27, 34, 42; No facings. 15 min. 4
(continued)

2018 INTERNATIONAL EXISTING BUILDING CODE ® 193
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