In Iran, due to the large number of large-scale development projects and infrastructures that began in the years after the end of the imposed warfare and the production of a large volume of technical and financial information during the period of studies or implementation of the project, and the problems of recording, storing and using them in due time in Management decisions that often lead to delays in operation and mismatches with predetermined specifications and programs, the need to use a proper decision-making system for these projects is quite evident. The deployment of systems in the country's underlying infrastructure is at the beginning and there is still a long way to go and a large number of research in this field is needed to have clear understanding and standardization to integrate the information storage structure within the project.Considering that the construction projects account for 40% of the city's budget, it is particularly important to use decision-making methods. The use of appropriate decision-making systems in construction projects will control the project in terms of time, quality, cost and resources. Therefore, the purpose of implementing the decision-making system is to carry out the project taking into account the cost time and quality of the construction projects.