While designing we always start from the technological requirements, regardless of the fact that it is an apartment or an industrial complex, a cottage or a high-rise apartment house, an administrative or office building. In each case, first of all the technologist starts to work, the architect begins to work only after the coordination with customer of all the nuances, and then the designer and specialists in related engineering sections begin their work. This procedure allows to avoid errors and take into account all the technological characteristics of the projected object in early stages and put in the forefront functionality and rational approach that can significantly reduce risks and costs for the Customer.