The assembly features a three-sixteenth-inch bent plate forming the stair tread and riser, supported by L2x2xone-quarter-inch angles measuring zero feet nine inches long at each end. The bent plate connects to the stair stringer referenced on plan with three-sixteenth-inch fillet welds applied to three sides typically. Additional concrete tread fill and steel risers are referenced per architectural drawings. Fillet welds are specified as three-sixteenth-inch typical.
3/16" BENT PL STAIR TREAD AND RISER (1/4) 2-6 L2x2x1/4x0'-9" TREAD SUPPORT EACH END 3/16 2-6 TYP. STRINGER REF. PLAN STEEL RISER REF. ARCH. CONC. TREAD REF. ARCH. 3/16 (3) SIDES TYP. 3/16 3/16 TYP.
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