Conceptually-ontological basis of the definition of "construction cluster" in the context of the mechanism of formation and format of planning for the functioning of public-private partnership

The article deals with the conceptual and ontological basis of the term "building cluster" in the context of creating and ensuring the implementation of public-private partnership. The advantages of this form of PPP as a concession for the state economy and factors of realization of construction projects, which are connected with certain difficulties, are analyzed. The main points of modernization of PPP mechanisms are taken into account taking into account the concession. The new organizational structure "building cluster" is described, which is positioned as an integrated association of project type, the existence of which is determined by the life cycle of investment-construction project.