LIRA-SAPR is comprehensive software package that benefits from BIM technology. The software is intended for analysis and design of building structures. BIM-technology is supported due to the interface with other architectural, analysis & design, graphical and documentary systems (Revit Structure, AutoCAD, ArchiCAD, Advance Steel, Tekla, BoCAD, Allplan, STARK ES, GLAZER, etc.) through DXF, MDB, STP, SLI, MSH, STL, OBJ, IFC, etc. files.