Validation of a Model for Predicting Schedule Changes in Highway Work Zones—Case Studies
Publication: Journal of Transportation Engineering
Volume 132, Issue 8
Abstract
There are currently no standard or accepted methods in the construction industry to calculate the probable impact of indirect cost factors on the schedule of highway work zone projects. This paper presents a model for stochastic analysis of factors affecting construction schedule in highway work zones and determination of probable changes, i.e., reduction or escalation, in the original estimated schedule for a given project. Also, three case studies from the Indiana Department of Transportation are illustrated in this paper in order to show the applicability of the model as a forecasting tool for predicting schedule changes on state Department of Transportation projects.
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Acknowledgments
The case studies presented in this paper would not have been possible without the help of INDOT personnel. The three interviewees that participated in the research have spent valuable time discussing projects and providing input for the calculations in the model. The opinions and findings expressed here, however, are those of the writers alone and not necessarily the views or positions of INDOT.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 132 • Issue 8 • August 2006
Pages: 638 - 648
Copyright
© 2006 ASCE.
History
Received: Mar 1, 2005
Accepted: Jan 3, 2006
Published online: Aug 1, 2006
Published in print: Aug 2006
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