Research notes : pay adjustment system for AC pavements.
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1991-10-01
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Alternative Title:Pay adjustment system for AC pavements.
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Abstract:Oregon's use of statistical pay adjustments (contractor incentives) in AC pavements began in 1985 as part of a nationwide trend toward End Result Specifications (ERS's). Oregon State Highway Division (OSHD) management became concerned that the State should be receiving something of corresponding value in return for these payments. The study includes a rigorous statistical analysis of test results for five material properties and average changes in these properties since starting the pay adjustments. In another part of the study, the most positive responses came from the Project Managers themselves, rather than their inspectors. Project Managers were also questioned about any recent paving jobs that were showing signs of early distress.
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