ArCADia software features: Support BIM technology, object-oriented architectural design. Ready-made architectural elements: multilayer walls, stairs, bases, columns, chimneys, windows and doors. Comparing and merging documents. Automatic floor entry, additional support for Teriva ceiling design. Drawing of flat and spatial technical documentation and its writing to the native DWG format characteristic of most CAD applications. Work on layered drawing with the ability to use groups, blocks, external references and raster backdrops. Precise drawing with the ability to use Cartesian and polar coordinates, characteristic points and tracking. Work on a real-world model with the ability to print at any scale on a specified sheet of paper. Generating statements. Supporting the IFC format. A possibility to exchange design data with other programs. Collision analysis - list of all or individual ArCADia system elements on a view, 3D view and a clear list. Inserting an automatic roof. Inserting automatic ceilings on the closed external walls contour. Drawings of the internal water supply system connection point water meter set pipelines. Drawings of the internal water supply system connection point water meter set pipelines. Automatic generation of connection fittings, creation of point numbering and installation description. Creating own templates. 3D installation preview, which facilitates the correcting of irregularities in the pipeline route not shown on the view Drawing of internal electrical installations with distribution boards, sockets, connectors, boxes, lighting fixtures. Constructing the structural systems of Teriva ribbed-beam roofs, containing all the basic elements of the system: ceiling beams, reinforcing ribs, hidden ribs, trimmer beams, supporting mesh and additionally all necessary material lists including the elements needed to make the ceiling, completed with reinforcing steel and monolithic concrete.