This concrete stair reinforcement detail shows a stair slab framing into a concrete landing slab at the top of the run. The stair slab features number four reinforcing bars spaced at twelve inches on center along the bottom, supplemented by typical stair reinforcing. A single number five bar is placed at the landing transition with dowels matching the stair bottom reinforcement. Dimensions define the span, landing thickness, and development lengths for the reinforcing bars.
EL PER PLAN TOP CONC 4" 2'-0" Ld 1'-0" 4'-0" Lsb SPAN "L" STAIR OPNG PER ARCH FSP DWG CORRESPONDS TO NOSING #4 @ 12" REINF PER TYP CONC STAIR REINF DET REINF PER TYP CONC STAIR REINF DET DOWELS TO MATCH STAIR BOT REINF (1) #5 1'-1"
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