A project is pronounced successful if it is finished on time within the budgeted value. Cost overruns and time overrun (delays) have been a critical problem of many projects that led to poor project execution. The construction industry has a poor reputation in terms of finishing the project within budget and on time. Although contractors and designers are one of the key players in construction projects, various other factors affect the project cost overrun depending on the main cause of change. This thesis takes the previous studies one step forward by identifying the root causes of cost overrun using real data extracted from one of the largest general contractors in California and analyzing the data to find the main causes of change orders in the top three market sectors, and the key responsible parties for each change. The analysis showed that the contract value is irrelevant to the amount of change orders. In addition, it proved that depending on the market sector, the underlying root causes for the cost overrun may vary accordingly. Furthermore, it provides legitimate data to help quantify the change impacts on project performance.
|Commitee:||Balali, Vahid, Hong, Jin Gi|
|School:||California State University, Long Beach|
|Department:||Civil Engineering & Construction Engineering Management|
|School Location:||United States -- California|
|Source:||MAI 81/8(E), Masters Abstracts International|
|Subjects:||Civil engineering, Management|
|Keywords:||Construction management, Construction projects, Cost overrun, Market sectors, Root cause analysis, California|
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