Time–Cost Relationships in Australian Building Construction Projects
Publication: Journal of Construction Engineering and Management
Volume 131, Issue 2
Abstract
Project time–cost relationships were examined by using project scope factors as predictors for 161 construction projects that were completed in various Australian States using the multiple regression technique of weighted least squares. The analysis was performed between project duration (i.e., time), project type, procurement method, tender type, gross floor area (GFA), and number of stories. An alternative model to that proposed by Bromilow more than three decades ago for forecasting time and cost performance is proposed. It is shown that GFA and the number of stories in a building are key determinants of time performance in projects. Furthermore, the results indicate that cost is a poor predictor of time performance. Limitations and practical implications of the research are also presented.
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Acknowledgments
The writers would like to thank the four anonymous reviewers for their constructive comments which have helped improve the quality of this manuscript. In addition, the writers would like to acknowledge the financial support provided by the Australian Research Council (DP-0453258).
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© 2005 ASCE.
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Received: Sep 11, 2002
Accepted: Mar 15, 2004
Published online: Feb 1, 2005
Published in print: Feb 2005
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