Page 268 - ICC IEBC 2018

RESOURCE A

FIGURE 2.5.1.5
STEEL COLUMNS—CONCRETE ENCASEMENTS
MINIMUM DIMENSION 12″ TO LESS THAN 14″
NUMBER OF
ASSEMBLIES

10

The number in each box is
keyed to the last number in the
Item Code column in the Table.
For example:
C-13-SC-15
5

3 17 12 5 16 15

13 2 1 9 4 11 8 10 7 14 6
0
0 1 2 3 4 5 6 7 8 9 10 11
FIRE RESISTANCE RATING (HOURS)
TABLE 2.5.1.5
STEEL COLUMNS—CONCRETE ENCASEMENTS
MINIMUM DIMENSION 12″ TO LESS THAN 14″

ITEM MINIMUM PERFORMANCE REFERENCE NUMBER REC.
CODE DIMENSION CONSTRUCTION DETAILS LOAD TIME PRE-BMS-92 BMS-92 POST-BMS-92 NOTES HOURS
12″ × 14″ concrete encased steel column; 8″ ×
6″ × 35 lbs. “H” beam; Protection: aggregate
1
C-12-SC-1 12″ concrete (4150 psi) with 120 3 hrs. 7 1 3 / 3
4″ mesh; 16 SWG reinforcing tons 24 min.
1″ below column surface.
12″ × 16″ concrete encased column;
8″ × 6″ × 35 lbs. “H” beam; Protection:
3
C-12-SC-2 12″ aggregate concrete (4300 psi) with 90 tons 2 hrs. 7 1 2 / 4
4″ mesh; 16 SWG reinforcing 52 min.
1″ below column surface.
12″ × 16″ concrete encased steel column; 12″
× 8″ × 65 lbs. “H” column; Protection: gravel 177 2 hrs.
1
C-12-SC-3 12″ aggregate concrete (3550 psi) with 7 1 2 / 2
4″ mesh; 16 SWG reinforcement tons 31 min.
1″ below column surface.
12″ × 16″ concrete encased column;
12″ × 8″ × 65 lbs. “H” beam; Protection:
C-12-SC-4 12″ aggregate concrete (3450 psi) with 118 4 hrs. 7 1 4
4″ mesh; 16 SWG reinforcement tons 4 min.
1″ below column surface.
(continued)

2018 INTERNATIONAL EXISTING BUILDING CODE ® 249
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