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Abstract:This study evaluates data from CDOT’s Cost Data books and Pavement Management Program. Cost
indices were used to normalize project data to year 2014. Data analyzed in the study was obtained from
the CDOT’s Cost Data books and the Pavement Management Program. Cost indices were used to
nominalize project data to year 2014. The results were obtained for heater remixing (process mat,
rejuvenating agent, and furnish hot-mix asphalt), heater scarifying and its rejuvenating agent, cold inplace
recycling process (rejuvenating agent and hydrated lime), and full-depth reclamation. Concrete,
hot-mix asphalt overlays and hot-mix asphalt mill-and-fill projects were categorized by quantities less
than or greater than 10,000 square yards or tons. Subcategories of thickness were made for concrete and
product type for asphalt.
Implementation
The purpose of this study is to evaluate the cost of rehabilitation techniques used on interstates, state
highways, and principal arterials dating back to 2009 for use in LCCAs. The rehabilitation techniques
used in this study include cold in-place recycling, hot in-place recycling, full-depth reclamation, hotmix
asphalt overlays, hot-mix asphalt mill-and-fill, and portland cement concrete pavement. Hot inplace
recycling was further broken into three categories; heater remixing, heater repaving, and heater
scarifying.
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