Mohsen Kordbacheh - MA Student, Department of Administration Management and Economics, Science and Research Branch, Islamic Azad University, Iran
Mehdi Iran Nejad Parizi - Members of Faculty, Department of Management and Economy, Science and Research Branch, Islamic Azad University, Iran
Karim Hamdi - Members of Faculty, Department of Management and Economy, Science and Research Branch, Islamic Azad University, Iran

With the increasing expansion of the construction industry in developing countries, especially in the Islamic Republic of Iran, the need for the implementation of development projects, which is a symbol of this development, is felt. To achieve success in this area, the debate comes to development projects and also key success factors in these projects, with the very high but most important they can be in the form of project management, construction management involved coordination between relevant agencies, planning and project management and financing of projects. These factors are creating a very effective process in the project in case of damage to each of them leading to the failure of the project. The study on the operational definition of critical success factors and prioritize them according to their role and influence in the view of the four groups involved in the project (client, consultant, contractor and project management) is conducted. In order to respond to the fundamental questions raised about the effectiveness of the main pillars of the key success factors and identify procedures and the factors in the success of development projects on Renovation Company Project in Abbas Abad Area, Tehran (Tabiat Bridge) data should be analyzed and the results can be studied to identify the twelve key factor in the project and the most effective element in the success of development projects, in the four factors (management plan) are the main pillars of the project and realize the important role that was responsible for project management tasks are mentioned.This study is descriptive – field that after reviewing previous studies and using the experience of the construction industry, factors into four categories, and among them, the elements that have contributed to this project were tested using a questionnaire, the population of this survey is available samples after collecting the information, answer sheets are evaluated and analyzed factors were rated.

construction projects, key success factors, project management, procedures