This structural detail shows a thickened slab-on-grade intersection supporting a stair stringer. The concrete slab features a sloped thickened section measuring one foot six inches at the base with a total depth of one foot zero inches, placed over under-slab preparation. Reinforcement consists of three continuous number five bottom reinforcing bars alongside number four bars spaced at twelve inches on center. The stair stringer and its connection to the slab are bidder-designed, requiring coordination with architectural drawings for exact positioning.
1 1 CENTER THICKENED SLAB ON STAIR STRINGER SLAB ON GRADE REF. PLAN (3) #5 CONT. BOT. #4 @ 12" o.c. BIDDER DESIGNED STAIR STRINGER AND CONNECTION TO SLAB REF. ARCH. DWGS. FOR LOCATION UNDER SLAB PREPARATION 1' - 0" 1' - 6" LAP LAP
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