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Original scientific paper

A New Schedule Estimation Technique for Construction Projects

Roger D. H. Warburton ; Department of Administrative Sciences, Metropolitan College Boston, MA 02215

Fulltext: english, pdf (124 KB) pages 0-0 downloads: 606* cite
APA 6th Edition
D. H. Warburton, R. (2014). A New Schedule Estimation Technique for Construction Projects. Organization, technology & management in construction, 6 (3), 0-0. Retrieved from https://hrcak.srce.hr/135299
MLA 8th Edition
D. H. Warburton, Roger. "A New Schedule Estimation Technique for Construction Projects." Organization, technology & management in construction, vol. 6, no. 3, 2014, pp. 0-0. https://hrcak.srce.hr/135299. Accessed 16 Sep. 2021.
Chicago 17th Edition
D. H. Warburton, Roger. "A New Schedule Estimation Technique for Construction Projects." Organization, technology & management in construction 6, no. 3 (2014): 0-0. https://hrcak.srce.hr/135299
Harvard
D. H. Warburton, R. (2014). 'A New Schedule Estimation Technique for Construction Projects', Organization, technology & management in construction, 6(3), pp. 0-0. Available at: https://hrcak.srce.hr/135299 (Accessed 16 September 2021)
Vancouver
D. H. Warburton R. A New Schedule Estimation Technique for Construction Projects. Organization, technology & management in construction [Internet]. 2014 [cited 2021 September 16];6(3):0-0. Available from: https://hrcak.srce.hr/135299
IEEE
R. D. H. Warburton, "A New Schedule Estimation Technique for Construction Projects", Organization, technology & management in construction, vol.6, no. 3, pp. 0-0, 2014. [Online]. Available: https://hrcak.srce.hr/135299. [Accessed: 16 September 2021]

Abstracts
Allen studied hundreds of construction projects and developed an accu-rate, practically useful model of their labor profiles. We combine Al-len’s labor profile with standard Earned Value Management (EVM) techniques and derive a simple, practical formula that estimates the fi-nal schedule from early project data. The schedule estimation formula is exact; it requires no approximations. The estimate is also surprisingly accurate and available early enough in the project for the project manager to be able to take appropriate actions. We use one of Allen’s real-world construction data sets to calibrate and validate our theoreti-cal model. Early estimates of the final schedule are remarkably accu-rate, and available early enough to be used to effect management changes. We also explain why a current schedule estimation method, Earned Schedule (ES), has a poor theoretical foundation and show that our model is superior to ES in predicting construction schedule delays. The model should provide warning of schedule delays early enough for project managers to take corrective actions.

Keywords
Schedule estimation; Schedule performance index; Earned schedule; Construction labor profile

Hrčak ID: 135299

URI
https://hrcak.srce.hr/135299

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