4000x3000 MM staircase Plan Layout shown in AutoCAD File. The typical detail of starting staircase side elevation drawing that shows 270mmX150mm trade and rise with measurements detail in mm format. Staircase elevation, section, and detail drawing are available in this AutoCAD File. the load factors also account for variability in the structural analysis used to compute moments and stairs in the dwg file. Thank you for downloading the AutoCAD drawing file and other CAD program files from our website.