This assembly consists of a wide-flange steel column, with a minimum size of W10x49, encased in fireproofing material. The enclosure is framed using one and five-eighths inch steel studs positioned on each side of the column end flange. The exterior finish is composed of two layers of five-eighths inch Type X gypsum board, providing the required fire-resistive rating for the structural member.
Text on the drawing
TWO LAYERS OF 5/8" TYPE X GYPSUM BOARD 1 5/8" STEEL STUDS EACH SIDE OF COLUMN END FLANGE STEEL COLUMN (MIN SIZE W10x49) FIREPROOFING
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