A fire-rated shaft wall terminates at an offset fireproofed structural steel beam, incorporating steel rib lath attached per framing details. The assembly maintains no exposed metal as indicated by keynote annotations, complying with UL head-of-wall joint system requirements. Framing attachments and joint treatments are coordinated with specified keynotes for fire resistance.
STEEL RIB LATH, ATTACHMENT PER FRAMING DETAILS NO EXPOSED METAL FOR TYPICAL INFO, SEE 'A' & B C FIREPROOFED BEAM, OFFSET UL HW-D-0645 D SEE KEYNOTE 15 SEE KEYNOTE 14 SEE KEYNOTE 13
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