The economic analysis develops from the origin idea of a building project in the new and old building range with consideration of the following aspects:

• economic and ecological extents
• complexity of the building project
• clarifying necessary building project-referred components
• clarifying concerning the decision criteria and possible alternatives

The recess in detail questions forms the inevitable basic condition for the entrance into the implementation phase of a project engineering in the classical sense, in order to be able to already limit in the apron the probability of risk of the failure of the overall project to a calculable measure.

In synthesis presentation represents therefore an agenda/book that collects the information in sufficient way in order to obtain the base of decision on the necessary participations and investment activating therefore the true and own steps for the realization of the same plan.