Purpose: This study aimed to identify the Sustainability that is a broad and complex concept, which has grown to be one of the major issues in the building industry. Design/methodology/approach: This study discusses the idea of sustainability involves enhancing the quality of life, allowing people to live in a healthy environment, with improved social, economic and environmental conditions in post-disaster area. a methodological approach for sustainable reconstruction mostly depending on survey at the beginning to study the case and know more about it, then to assess damage and look for what is available as materials putting the consideration environmental variations, local practices, skills, and how vulnerable and wide is the case to start with. Findings: The most important delay factors identified leading to schedule overruns were contractor failure, redesigning of designs/ plans and change orders, security issues, selection of low-price bids, weather factors, and owner failures, external factors like change climate. Some of these are quite in line with findings from similar studies in other countries/regions, but some are unique to the Iraqi project sample, such as security issues and low-price bid selection. Originality/value: We selected ANN’s analysis first because ANN’s was rarely used in project management, and never been used in Iraq to finding solutions for problems in construction industry. Also, this methodology can be used in complicated problems when there is no interpretation or solution for a problem. In some cases, statistical analysis was conducted and in some cases the problem is not following a linear equation or there was a weak correlation, thus we suggested using the ANN’s because it is used for nonlinear problems to find the relationship between input and output data and that was really supportive.
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