For successful realization of that size of a project it is absolutely obligated to keep all preparatory work to be set at the highest professional level, according to practice of realization of PPP projects in other countries. It is important to realize that the Project is prepared by highest quality will lower the main risks (technical, financial, legal etc.) in realization of the project itself. That will support the opportunities to attract private investment partners on better conditions for the state or municipality.n>