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Advances in Civil Engineering
Volume 2014 (2014), Article ID 107926, 11 pages
Review Article

Using Intelligent Techniques in Construction Project Cost Estimation: 10-Year Survey

1University of Tabuk, Tabuk 50060, Saudi Arabia
2Binladen Research Chair on Quality and Productivity Improvement in the Construction Industry, College of Engineering, University of Hail, Saudi Arabia

Received 7 August 2014; Accepted 6 November 2014; Published 2 December 2014

Academic Editor: Samer Madanat

Copyright © 2014 Abdelrahman Osman Elfaki et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Cost estimation is the most important preliminary process in any construction project. Therefore, construction cost estimation has the lion’s share of the research effort in construction management. In this paper, we have analysed and studied proposals for construction cost estimation for the last 10 years. To implement this survey, we have proposed and applied a methodology that consists of two parts. The first part concerns data collection, for which we have chosen special journals as sources for the surveyed proposals. The second part concerns the analysis of the proposals. To analyse each proposal, the following four questions have been set. Which intelligent technique is used? How have data been collected? How are the results validated? And which construction cost estimation factors have been used? From the results of this survey, two main contributions have been produced. The first contribution is the defining of the research gap in this area, which has not been fully covered by previous proposals of construction cost estimation. The second contribution of this survey is the proposal and highlighting of future directions for forthcoming proposals, aimed ultimately at finding the optimal construction cost estimation. Moreover, we consider the second part of our methodology as one of our contributions in this paper. This methodology has been proposed as a standard benchmark for construction cost estimation proposals.