Pay Factors Based on Observed Field-Performance Data
Publication: Journal of Transportation Engineering
Volume 142, Issue 5
Abstract
The fundamental purpose of any construction specification is to ensure the expected long-term performance of the final product. A construction project that fails to meet the required quality level should always result in reduced payment to the contractor in order to recover the future costs that the highway agency will incur for additional maintenance. However, a superior-quality project must be rewarded based on actual savings to the agency that correspond with the improvement in performance due to higher construction quality. Performance-related specification (PRS) incorporates the economic implications associated with superior or inferior pavement construction practices. In general, earlier PRS development studies were based on performance data collected from either pilot pavement construction projects or models built based on experimental pavement sections. This study primarily focuses on constructing a pay adjustment framework utilizing field performance data and actual quality control measurements obtained during road construction projects. An econometric modeling approach for establishing the relationship between quality control parameters and the corresponding pavement performance (in terms of early deterioration rate) is proposed. Laboratory density of plant-mix, placement density of compacted pavement, and as-constructed ride quality are identified as performance-sensitive parameters. A performance-related, pay adjustment scheme that is governed by performance-sensitive quality control parameters is also developed.
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Acknowledgments
The authors acknowledge the support of the Texas Department of Transportation (TxDOT) for funding this research.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 142 • Issue 5 • May 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Jan 21, 2015
Accepted: Nov 20, 2015
Published online: Feb 4, 2016
Published in print: May 1, 2016
Discussion open until: Jul 4, 2016
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