Development of an improved system for contract time determination : phase III.
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Development of an improved system for contract time determination : phase III.

Filetype[PDF-4.44 MB]


  • English

  • Details:

    • Publication/ Report Number:
    • Resource Type:
    • Geographical Coverage:
    • OCLC Number:
      794567873
    • Edition:
      Final report; Aug. 2008-Sept. 2010.
    • NTL Classification:
      NTL-PLANNING AND POLICY-PLANNING AND POLICY ; NTL-ECONOMICS AND FINANCE-ECONOMICS AND FINANCE ;
    • Abstract:
      This study developed Daily Work Report (DWR) based prediction models to determine reasonable

      production rates of controlling activities of highway projects. The study used available resources such as

      DWR, soil data, AADT and other existing project data from the various divisions of ODOT as primary

      source in estimating productivity. The study describes the effects and variations of production rates of

      highway activities to changes in environmental, geographical and project site conditions. The study also

      includes a relative comparison between a survey of experts’ estimate of production rate and DWR based

      prediction models. An Excel based standalone software program developed for ODOT engineers and

      schedulers to estimate reasonably accurate production rates is also presented in the study.

      The output of this model would allow ODOT engineers and schedulers to improve their accuracy and

      save their time in determining more reliable production rates of major highway construction activities by

      easily adjusting site conditions and project factors. The program will help ODOT to determine

      appropriate contract times of Tier II highway projects which would enhance better planning of resources,

      reduce construction cost, minimize the construction crew’s exposure to traffic, reduce the inconvenience

      to the public, track project progress and future estimating and bidding guidelines. This study will not only

      allow ODOT to be equipped with a streamlined procedure for determining production rates of highway

      construction activities, but will also be a framework and a benchmarking example to other highway

      agencies.

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