This concrete foundation detail shows a stepped footing transition with standard rebar development and lap lengths matching the main footing reinforcement. A typical reinforcing bar hooks at the step, accompanied by one number five diagonal corner bar on each face and one number five trim bar on each face. A three-inch clearance is maintained, with a maximum three-inch grout gap provided for fitup after erection using non-shrink grout.
FIN. FLR. FOOTING, SEE PLAN (1) #5 TRIM BAR EA. FACE 1 2 "D" "D" 3' - 0" 3' - 0" (1) #5 DIAG. CORNER BAR EA. FACE 3" CLR. LAP LENGTH LAP LENGTH MATCH FOOTING REINF. TYP. FOOTING REINF. TYP. FOOTING REINF., HOOK AT STEP GROUT GAP FOR FITUP AFTER ERECTION WITH NON-SHRINK GROUT. MAX. 3"
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