A steel column connects to a three-quarter-inch thick steel base plate anchored into a concrete over steel deck slab with two three-quarter-inch diameter expansion anchors. The slab bears on a structural steel beam equipped with beam web stiffener plates on each side, welded with three-sixteenth-inch typical fillet welds. An inset plan view details the base plate layout showing symmetrical bolt spacing.
3/4" THICK STEEL BASE PLATE W/2-3/4"Ø EXPANSION ANCHORS STEEL COLUMN CONC OVER STEEL DECK STEEL BEAM BEAM WEB STIFFENER PLATE EACH SIDE STAIR-18 3/16 TYP BASE PLATE (2-BOLT) EQ EQ 1 1/2" 1 1/2" 1/2"
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