Here is the autocad dwg file for details of footing hoao . A concrete support under a foundation that rests in solid ground and is wider than the structure supported.
Wooden bridge gang plank
Wall section view of house
Wall section detail dwg fi
Wall construction details
Section plan detail dwg fi
Column detail dwg file
Stair plan and joint colum
Bridge details
Wall section plan and Colu
Construction view of truss
Roof cover section detail