2D AutoCAD Drawing of Filter STN Staircase Steel Column Section

This 2D AutoCAD DWG file features detailed typical section views of steel columns for the Filter STN Staircase, including exact dimensions, reinforcement details, and construction layout. Ideal for structural engineers, architects, and designers, it ensures accurate planning, visualization, and execution of staircase structures. The drawing supports precise measurement and proper detailing for industrial or commercial building projects.