Existing unreinforced masonry walls tie into structural steel channels and a three-inch ledger using through-bolted connections. Threaded tension rods span through the wall assembly, equipped with couplers where extensions are required. Joists connect per plan using top flange hangers. The 6x6 assembly is utilized where no threaded rod extension is present, requiring drilled holes through the existing steel channels.
JOIST PER PLAN W/ TOP FLANGE HANGER (E) URM (E) STEEL CHANNEL, V.I.F. COUPLER WHERE EXTENSION REQ'D (E) STEEL PER PLAN 6x6 ASSEMBLY WHERE NO T.R. EXTENSION 3X LEDGER DRILL HOLES THROUGH (E) STEEL CHANNELS 9-S6.04 SIM SEE 13-S6.04 FOR INFORMATION NOT NOTED HERE (E) STEEL PER PLAN
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