Page 216 - ICC IEBC 2018

RESOURCE A

FIGURE 1.1.6
MASONRY WALLS
12″ TO LESS THAN 14″ THICK
NUMBER OF
ASSEMBLIES The number in each box is
keyed to the last number in the
81 84 Item Code column in the Table.
10 For example:
80 83
W-12-M-42
76 82 42

64 87 78 39
59 61 77 37

50 58 47 63 85 34
5
46 48 60 62 57 31 49 79 23 73
30 44 53 55 56 27 45 75 9 70

51 26 20 22 52 54 21 41 72 7 66 74

33 18 14 16 17 29 8 36 68 4 24 43 35 38 67
32 28 12 11 13 15 19 3 25 65 86 2 10 1 5 6 40 59 71
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
FIRE RESISTANCE RATING (HOURS)
TABLE 1.1.6
MASONRY WALLS
12″ TO LESS THAN 14″ THICK
PERFORMANCE REFERENCE NUMBER
REC.
ITEM CODE THICKNESS CONSTRUCTION DETAILS PRE-BMS- POST- NOTES
LOAD TIME BMS-92 HOURS
92 BMS-92
Core: solid clay or shale brick;
W-12-M-1 12″ N/A 12 hrs. 1 1 12
No facings.
Core: solid clay or shale brick;
W-12-M-2 12″ 160 psi 10 hrs. 1 1, 44 10
No facings.
Core: hollow rolok of clay or shale;
W-12-M-3 12″ 160 psi 5 hrs. 1 1, 44 5
No facings.
W-12-M-4 12″ Core: hollow rolok bak of clay or shale; 160 psi 10 hrs. 1 1, 44 10
No facings.
W-12-M-5 12″ Core: concrete brick; No facings. 160 psi 13 hrs. 1 1, 44 13
W-12-M-6 12″ Core: sand-lime brick; No facings. N/A 14 hrs. 1 1 14
W-12-M-7 12″ Core: sand-lime brick; No facings. 160 psi 10 hrs. 1 1, 44 10
Cored clay or shale brick; Units in wall
W-12-M-8 12″ thickness: 1; Cells in wall thickness: 2; 120 psi 5 hrs. 1 1, 45 5
Minimum % solids: 70; No facings.
Cored clay or shale brick; Units in wall
W-12-M-9 12″ thickness: 3; Cells in wall thickness: 3; 160 psi 10 hrs. 1 1, 44 10
Minimum % solids: 87; No facings.
Cored clay or shale brick; Units in wall
W-12-M-10 12″ thickness: 3; Cells in wall thickness: 3; N/A 11 hrs. 1 1 11
Minimum % solids: 87; No facings.
(continued)

2018 INTERNATIONAL EXISTING BUILDING CODE ® 197
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