Page 193 - ICC IEBC 2018

RESOURCE A

TABLE 1.1.2—continued
MASONRY WALLS
4″ TO LESS THAN 6″ THICK
PERFORMANCE REFERENCE NUMBER
ITEM REC.
THICKNESS CONSTRUCTION DETAILS PRE- POST- NOTES
CODE LOAD TIME BMS-92 HOURS
BMS-92 BMS-92
4 / ″ × 2 / ″ cellular fletton brick (1873 psi) with / ″
1
5
3
16
8
2
1 hr.
3
1
W-4-M-9 4 / ″ sand mortar; bricks are U-shaped yielding hollow cover N/A 25 min. 7 2 1 / 3
16
(approx. 2″ × 4″) in final cross-section configuration.
1
1
1
1
3
W-4-M-10 4 / ″ 4 / ″ × 2 / ″ fletton (1831 psi) brick in / ″ sand mortar. N/A 1 hr. 7 2 1 /
4 4 2 2 53 min 4
1
3
1
1
1
W-4-M-11 4 / ″ 4 / ″ × 2 / ″ London stock (683 psi) brick; / ″ grout. N/A 1 hr. 7 2 1 /
4 4 2 2 52 min. 4
4 / ″ × 2 / ″ Leicester red, wire-cut brick (4465 psi) in 1 hr.
1
1
3
1
W-4-M-12 4 / ″ 4 2 N/A 7 6 1 /
2 1 / ″ sand mortar. 56 min. 4
2
1
1
1
1
1
W-4-M-13 4 / ″ 4 / ″ × 2 / ″ stairfoot brick (7527 psi) / ″ sand mortar. N/A 1 hr. 7 2 1 /
4 4 2 2 37 min. 2
1
1
1
1
W-4-M-14 4 / ″ 4 / ″ × 2 / ″ sand-lime brick (2603 psi) / ″ sand mortar. N/A 2 hrs. 7 2 2
4 4 2 2 6 min.
1
1
1
1
W-4-M-15 4 / ″ 4 / ″ × 2 / ″ concrete brick (2527 psi) / ″ sand mortar. N/A 2 hrs. 7 2 2
4 4 2 2 10 min.
4″ thick clay tile; Ohio fire clay; single cell thick; No
1
1
W-4-M-16 4 / ″ plaster exposed face; / ″ 1:2 gypsum back face; Design N/A 31 min. 2 3-6, 36 1 / 2
2
2
“F,” Construction “S.”
4″ thick clay tile; Ohio fire clay; single cell thick; Plas- 80 3-5, 8,
1
1
W-4-M-17 4 / ″ ter exposed face; / ″ 1:2 sanded gypsum; Back Face: psi 50 min. 2 36 3 / 4
2
2
none; Construction “S,” Design “F.”
1
1
2
W-4-M-18 4 / ″ Core: solid sand-lime brick; / ″ sanded gypsum plaster 80 3 hrs. 1 1, 11 3
2 facings on both sides. psi
1
1
2
1
W-4-M-19 4 / ″ Core: solid sand-lime brick; / ″ sanded gypsum plaster 80 2 hrs. 1 1, 11 2 /
2 facings on both sides. psi 30 min. 2
1
2
1
W-4-M-20 4 / ″ Core: concrete brick / ″ of 1:3 sanded gypsum plaster 80 2 hrs. 1 1, 11 2
2 facings on both sides. psi
1
3
2
1
W-4-M-21 4 / ″ Core: solid clay or shale brick; / ″ thick, 1:3 sanded 80 1 hr. 1 1, 2, 1 /
2 gypsum plaster facings on fire sides. psi 45 min. 11 4
4″ thick clay tile; Ohio fire clay; single cell thick; cells
3
3
W-4-M-22 4 / ″ filled with cement and broken tile concrete; Plaster on N/A 1 hr. 2 2, 3-5, 1 /
3
4 exposed face; none on unexposed face; / ″ 1:3 sanded 48 min. 9, 36 4
4
gypsum; Design “G,” Construction “E.”
4″ thick clay tile; Ohio fire clay; single cell thick; cells
3
W-4-M-23 4 / ″ filled with cement and broken tile concrete; No plaster N/A 2 hrs. 2 2, 3-5, 2
4 exposed faced; / ″ neat gypsum plaster on unexposed 14 min. 9, 36
3
4
face; Design “G,” Construction “E.”
3″ × 13″ air space; 1″ thick metal reinforced concrete 2,250
W-5-M-24 5″ facings on both sides; faces connected with wood lbs./ 45 min. 1 1 3 / 4
splines. ft.
Core: 3″ thick void filled with “nondulated” mineral 2,250
3
W-5-M-25 5″ wool weighing 10 lbs./ft. ; 1″ thick metal reinforced lbs./ 2 hrs. 1 1 2
concrete facings on both sides. ft.
1
1
2
W-5-M-26 5″ Core: solid clay or shale brick; / ″ thick, 1:3 sanded 40 2 hrs. 1 1, 2, 2 /
gypsum plaster facings on both sides. psi 30 min. 11 2
Core: solid 4″ thick gypsum blocks, laid in 1:3 sanded
1
W-5-M-27 5″ gypsum mortar; / ″ of 1:3 sanded gypsum plaster fac- N/A 3 hrs. 1 1 3
2
ings on both sides.
(continued)
174 2018 INTERNATIONAL EXISTING BUILDING CODE ®
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