here is an autocad dwg file for stairway details . a passage in a public place with a set of steps that leads from one level to another.
Wall section dwg file
Foundation section detail
Wall design
Antenna support plant view
Plane sewer bridge
Beam and column section de
Iron fence installation de
Wall section view of house
Foundation section plan de
Construction detail of wal
Layout view of tower crane
Roof sectional detail cad