An exterior concrete grade beam features top and bottom longitudinal reinforcement sized per plan with three inches of concrete clearance. The foundation requires a minimum footing embedment below the lowest adjacent grade as specified per plan, situated below subgrade and finished grade layers. Exterior flatwork occurs at the surface where indicated.
17 3" Clr. Top & Bot. Reinf. per Plan 3" Clr. Top & Bot. Reinf. per Plan Ftg. Width per Plan Ext. Flatwork as Occurs, BO EXTERIOR GRADE BEAM Appd . Finish Grade Subgrade BO 6" Min. Ftg. Embed. per Plan, Blw. Lowest Adj. Grade
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