A wide-flange steel section designated as W12x45 is aligned with grade beam GB3. The top of footing is set at an elevation of negative one foot four inches typical unless noted otherwise. Dimensions of seven feet and symmetrical spacing of three feet six inches establish the layout geometry.
11 S4.04 11██████████ 11██████████ 11███████████████ ██████████11 ██████████11 ██████████11 ██████████11 ___ ___ W12x45 T.O.F.= -1'-4" TYP. U.N.O. 3'-6" 3'-6" 7'-0" GB3
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