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2012 - 11th Annual NC State Summer Undergraduate Research Symposium
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Session Time :
8/1/12 3:00 PM - 8/1/12 4:14 PM
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Content Area : OIA-SRE, Office of International Affairs - Summer Research Experience
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Lead Student Presenters : Hsiao-hui Yang
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Abstract Title : Change Order`s Impact on Construction Productivity -A Data Envelopment Analysis
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Abstract :
Change orders have long been identified to have an impact on the productivity in construction industry. Change orders are issued to correct or modify the original design or scope of work. Most of change orders usually are the main cause in both time and cost overrun, and loss of productivity. In this paper, we study the effects of changes on the construction productivity using Data Envelopment Analysis, (DEA), which is a nonparametric method in operations research and economics for the estimation of production frontiers. Based on a large survey database from Construction Industry, we take totals/cost scope changes and totals/ schedule scope changes as inputs and productivity, as output for this research. The contribution to the body of knowledge is that it will provide a new DEA approach to measure both multiple inputs and outputs and identify efficient input and output target data. According to this information, project managers will be able to focus on the priority easily and follow the Pareto Principle to help to improve the productivity in construction industry.
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Mentor and/or Co-Author : Min Liu
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