Page 199 - ICC IEBC 2018

RESOURCE A

FIGURE 1.1.3
MASONRY WALLS
6″ TO LESS THAN 8″ THICK
NUMBER OF
ASSEMBLIES

10
66
65 64 The number in each box is
keyed to the last number in the
Item Code column in the Table.
58 62
For example:
26 48 53 34 55 W-6-M-63

25 41 49 50 52
5
21 29 39 43 44 36

12 28 31 42 16 35 61 63
10 22 27 30 40 15 34 57 46 56 60

9 13 23 24 32 59 8 33 51 45 20 38 47
11 2 3 14 4 8a 5 7 6 18 17 19 37 1
0
0 1 2 3 4 5 6
FIRE RESISTANCE RATING (HOURS)
TABLE 1.1.3
MASONRY WALLS
6″ TO LESS THAN 8″ THICK
PERFORMANCE REFERENCE NUMBER
REC.
ITEM CODE THICKNESS CONSTRUCTION DETAILS PRE- POST- NOTES
LOAD TIME BMS-92 HOURS
BMS-92 BMS-92
Core: 5″ thick, solid gypsum blocks laid in 1:3
1
W-6-M-1 6″ sanded gypsum mortar; / ″ of 1:3 sanded N/A 6 hrs. 1 6
2
gypsum plaster facings on both sides.
W-6-M-2 6″ 6″ clay tile; Ohio fire clay; single cell thick; No N/A 17 min. 2 1, 3, 4, 6, 55 1 /
plaster; Design “C,” Construction “A.” 4
W-6-M-3 6″ 6″ clay tile; Illinois surface clay; double cell N/A 45 min. 2 1-4, 7, 55 3 /
thick; No plaster; Design “E,” Construction “C.” 4
W-6-M-4 6″ 6″ clay tile; New Jersey fire clay; double cell N/A 1 hr. 2 1-4, 8, 55 1
thick; No plaster; Design “E,” Construction “S.” 1 min.
6″ clay tile; Illinois surface clay; double cell 1 hr.
1
2
5
W-7-M-5 7 / ″ thick; Plaster: / ″—1:3 sanded gypsum both N/A 41 min. 2 1-4, 55 1 / 3
8
4
faces; Design “E,” Construction “A.”
6″ clay tile; New Jersey fire clay; double cell 2 hrs.
5
1
1
W-7-M-6 7 / ″ thick; Plaster: / ″—1:3 sanded gypsum both N/A 23 min. 2 1-4, 9, 55 2 / 3
8
4
faces; Design “E,” Construction “S.”
6″ clay tile; Ohio fire clay; single cell thick; 1 hr.
5
1
3
W-7-M-7 7 / ″ Plaster: / ″ sanded gypsum; 1:3 both faces; N/A 54 min. 2 1-4, 9, 55 2 / 4
4
8
Design “C,” Construction “A.”
6″ clay tile; Illinois surface clay; single cell 1, 3, 4, 9,
1
5
W-7-M-8 7 / ″ thick; Plaster: / ″ sanded gypsum 1:3 both faces; N/A 2 hrs. 2 10, 55 2
4
8
Design “C,” Construction “S.”
6″ clay tile; Illinois surface clay; single cell 1 hr. 1-4, 9, 10,
3
5
1
W-7-M-8a 7 / ″ thick; Plaster: / ″ sanded gypsum 1:3 both faces; N/A 23 min 2 55 1 / 4
8
4
Design “C,” Construction “E.”
(continued)
180 2018 INTERNATIONAL EXISTING BUILDING CODE ®
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