A structural steel stair landing support assembly framing a W18 beam and a WT 5x22.5 shape into an HSS 8x6 hollow structural section column. The connection features a continuous L4x4x5/16 angle landing support and three-eighths-inch stiffener plates located at L/3 and 2L/3. Four one-half-inch diameter by twenty-four-inch deck bent anchors are spaced equally at the stair landing only, set at elevation 16'-0" relative to the canopy deck reference plan at elevation 16'-3". Fillet welds of five-sixteenth-inch and one-quarter-inch sizes secure the structural steel components together.
WT 5x22.5 w/ HSS8x6 W12 5/16 5/16 3 L4x4x5/16xCONT. LANDING SUPPORT W18 BEAM (4) 1/2"Øx24" DBA'S EQ. SPACED THIS STAIR LANDING ONLY EL. 16'-3" EL. 16'-0" 1/4 2-8 1/4 2-8 5/16 5/16 3/8"STIFF PL AT L/3 AND 2L/3 DECK REF. PLAN
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