Page 259 - ICC IEBC 2018

RESOURCE A

FIGURE 2.3
STEEL COLUMNS-GYPSUM ENCASEMENTS

NUMBER OF
ASSEMBLIES

10

The number in each box is
keyed to the last number in the
Item Code column in the Table.
5
For example:
C-SG-13
11 12

9 8
5 10 6

1 3 2 7 4 13
0
0 1 2 3 4 5 6 7 8 9 10
FIRE RESISTANCE RATING (HOURS)
TABLE 2.3
STEEL COLUMNS—GYPSUM ENCASEMENTS
MINIMUM PERFORMANCE REFERENCE NUMBER
ITEM AREA OF REC.
CODE SOLID CONSTRUCTION DETAILS LOAD TIME PRE-BMS-92 BMS-92 POST-BMS-92 NOTES HOURS
MATERIAL
Steel protected with / ″ 1:3 sanded
3
4
1
C-SG-1 — gypsum or 1″ 1:2 / portland cement plas- — 1 hr. 1 1
2
ter on wire or lath; one layer.
2 hrs.
1
C-SG-2 — Same as C-SG-1; two layers. — 1 2 /
30 min. 2
2″ solid blocks with wire mesh in
horizontal joints; 1″ mortar on flange;
C-SG-3 130 in. 2 — 2 hrs. 1 2
reentrant space filled with block and
mortar.
Same as C-130-SG-3 with / ″ sanded
1
C-SG-4 150 in. 2 2 — 5 hrs. 1 5
gypsum plaster.
2″ solid blocks with wire mesh in
horizontal joints; 1″ mortar on flange; 2 hrs.
1
C-SG-5 130 in. 2 — 1 2 /
reentrant space filled with gypsum 30 min. 2
concrete.
1
Same as C-130-SG-5 with / ″ sanded
C-SG-6 150 in. 2 2 — 5 hrs. 1 5
gypsum plaster.
4″ solid blocks with wire mesh in
horizontal joints; 1″ mortar on flange;
C-SG-7 300 in. 2 — 4 hrs. 1 4
reentrant space filled with block and
mortar.
(continued)
240 2018 INTERNATIONAL EXISTING BUILDING CODE ®
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