The landing beam per plan frames into a hollow structural section post featuring a cap plate per plan and a stiffener plate per detail 1/S600 similar. A half-inch gap is maintained between the structural components. Connection angles sized L4x4x1/4 are three inches long on each side, secured with typical quarter-inch fillet welds. A concrete over metal pan stair landing assembly bears upon the structural framework.
L4x4x1/4 3" LONG EA SIDE LANDING BEAM PER PLAN CONC OVER METAL PAN HSS POST W/CAP PL PER PLAN STIFF PLATE PER 1/S600 SIM 1/4 1/4 TYP 1/4 TYP 1/2" GAP
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