  The characteristic of design works on firm at its renovation and of the
common directions of their informatization is given. The implantation of a CAD
is selected as the key direction, and the requirements to a complex CAD-system
are stated. The methods of such a CAD-system development are featured, and the
connectedness of this development with the process of integration of
information space of design department of the firm is characterized. The
experience of development and implantation of a complex CAD of renovation of
firms TechnoCAD GlassX lies in a basis of this reviewing
