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Abstract:Previous research on alternative pavement type bidding has proven that various treatments
are unique in terms of constructability, material characteristics, and associated performance.
While some treatments may have higher initial costs, it is important t
o consider future
maintenance needs as well as life cycle. Other considerations may include construction
sequencing, user delays, or potential benefits to the environment. Evaluation of these
variables should occur during the bid selection process to ensu
re the construction of the most
cost effective treatment for a given location. For this investigation, three alternative pavement
treatments were proposed for the construction of a park and ride located in Randolph at the
intersection of VT Route 66 and T
own Highway 46. The options included a conventional
bituminous pavement, a porous bituminous pavement, and a porous concrete pavement.
The
purpose of this study is to perform a cost analysis of the bids and compare the annualized
costs of each
alternative over their expected service life. The study will also examine
constructability performance in association with some preliminary monitoring, and will
summarize operations practices during an initial service period.
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