This assembly provides fire protection for a structural steel column using five-eighths inch Type X gypsum board. The gypsum is supported by one and five-eighths inch metal furring channels or approved metal column furring clips. Corner beads are installed at the exterior gypsum board edges. Fire sealant is applied at the interface between the column enclosure and the adjacent rated walls. The assembly is referenced to Underwriters Laboratories design number X528, with additional fire-rated assembly information provided on sheet A-61007.
Text on the drawing
CORNER BEADS 5/8" GYPSUM BOARD, TYPE "X" STEEL COLUMN, REF STRUCTURAL UL NO: X528 SEE SHEET A-61007 'FIRE RATED ASSEMBLY TYPES' FOR ADDITIONAL INFORMATION SEE PLAN/SECT 1 5/8" METAL FURRING (OR APPROVED METAL COLUMN FURRING CLIPS) X FIRE SEALANT @ RATED WALLS FIRE SEALANT @ RATED WALLS
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