A steel stair pan assembly is constructed from a 12 gauge plate forming the tread and riser profile. The pan is supported by angle members designated as L2x2x5/16, measuring zero feet eight inches in length. Fillet welds of 3/16-inch size secure the components, including three welds equally spaced at specific joints and two typical welds as indicated. Concrete step installation and attachment methods are provided by the contractor.
1 1/4" 1" 3/16 1-1/2" 2 WELDS TYP L2X2X5/16X0'-8" 3/16 1" TYP 3/16 TYP 1 1.5 CHANNEL, SEE STAIR PLAN CONC STEP SAD, ATTACHMENT BY CONTRACTOR 12 GA PL AT TREAD/RISER 3/16 1" 3 WELDS EQUALLY SPACED
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