Page 258 - ICC IEBC 2018

RESOURCE A

TABLE 2.2
ROUND CAST IRON COLUMNS
ITEM MINIMUM PERFORMANCE REFERENCE NUMBER REC.
CODE DIMENSION CONSTRUCTION DETAILS LOAD TIME PRE-BMS-92 BMS-92 POST-BMS-92 NOTES HOURS
Column: 0.6″ minimum metal thickness;
C-7-CI-1 7″ O.D. — 30 min. 1 1 /
unprotected. 2
Column: 0.6″ minimum metal thickness
C-7-CI-2 7″ O.D. — 45 min. 1 3 /
concrete filled, outside unprotected. 4
Column: 0.6″ minimum metal thickness;
1
C-11-CI-3 11″ O.D. Protection: 1 / ″ portland cement plaster on — 3 hrs. 1 3
2
1
high ribbed metal lath, / ″ broken air space.
2
Column: 0.6″ minimum metal thickness;
2 hrs.
1
C-11-CI-4 11″ O.D. Protection: 2″ concrete other than siliceous — 1 2 /
30 min. 2
aggregate.
Column: 7″ O.D. 0.6″ minimum metal thick-
ness; Protection: 2″ porous hollow tile, / ″
3
C-12-CI-5 12.5″ O.D. 4 — 3 hrs. 1 3
mortar between tile and column, outside
wire ties.
3
Column: 7″ I.D., / ″ minimum metal thick-
C-7-CI-6 7.6″ O.D. 10 — 30 min. 1 1 /
ness, concrete filled unprotected. 2
3
Column: 8″ I.D., / ″ minimum metal thick-
10
ness; concrete filled reinforced with four
C-8-CI-7 8.6″ O.D. — 1 hr. 1 1
3 / ″ × / ″ angles, in fill; unprotected
3
1
2 8
outside.
For SI: 1 inch = 25.4 mm.

2018 INTERNATIONAL EXISTING BUILDING CODE ® 239
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