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Система инвестиционно-строительной деятельности (ИСД) рассмотрена как совокупность экономического пространства и времени. Задача системы ИСД состоит в достижении оптимального состояния за счет рационального использования системных ресурсов. Определены и рассмотрены подсистемы ИСД, их взаимодействие в системе координат. Пространство ИСД охватывает совокупность основных и вспомогательных процессов, поведение технико-экономической системы, режим ее функционирования в условиях устойчивого развития. Ключевые слова: инвестиционно-строительная деятельность, многомерная модель, экономическое пространство, системотехническое моделирование, управление в строительстве.

Introduction. The development of transport infrastructure may be ensured through the reengineering of existing facilities of the same name, and also in conjunction with the construction of new buildings and structures in the convertible right-of-way. The objective of the research is to provide a scientific basis for the impacts within the framework of reengineering programs for transportation infrastructure facilities. In accordance with the chosen research area, reconstruction, technical re-equipment, renovation are considered to be the reengineering measures of individual transportation infrastructure facilities, and reclamation is the one of land plots in the right-of-way and adjacent territories. The management body acts on the object and subject with Regulatory Impact to achieve the set goals, recipients of the impact are the reengineering program participants, i.e. owners, contractors, clients. Materials and methods. The theory of Regulatory Impact Logistics and methodological provisions of simulation modelling are applied in the research. The research provides a diagram of the interaction of subjects, participating in the implementation of reengineering programs for transportation infrastructure facilities, to confirm the feasibility and substantiate the possibility of allocating resources between the works on facilities in the process of operational management. Results. The result of the research is a formalized description of the determining the execution of reengineering programs and formation of proposals for newly launched transportation infrastructure facilities. Conclusions. The results are established to form a possible basis for a system of information and analytical support for reengineering of transportation infrastructure facilities, this system, among other things, will contribute to the optimal consumption of material and technical resources and their effective supply schedule. Ultimately, this should lead to a reduction in the cost and duration of reengineering of transportation infrastructure facilities.

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