A reinforced concrete mat footing features top and bottom reinforcing bars matched in size and number according to structural plans, with top bars bent down with standard hooks. Two number five by five-foot side bars are placed at each side of the section. Clearances include three inches at the bottom and two inches typically, with development lengths tied to bar diameter 'd' and mat depth 'D'.
AT TOP REBAR REBAR TO MATCH BOTTOM REBAR IN SIZE AND NUMBER MAT FOOTING SEE PLAN BEND TOP BARS w/ STD HOOK, TYP TOC SLAB (2) #5x5'-0" SIDE BARS AT EACH SIDE REBAR TO MATCH TOP REBAR IN SIZE AND NUMBER "d" DENOTES DIAMETER OF BAR "D" DENOTES DEPTH OF MAT 3" CLR D TYP 2" CLR "D" 2'-0" TYP OR TYP 48 "d" 1'-6" TYP
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