Fuel Usage Factors in Highway and Bridge Construction (2013) / Chapter Skim
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Pages 11-17
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From page 11... ...
11 Chapter 1 of this report details the background information, purpose, and the existing literature relevant to NCHRP Project 10-81. The introduction section provides a brief overview of fuel usage factors and the research problem that this report addresses.
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12 Fuel Usage Factors in highway and Bridge Construction 1.3 Literature Review This literature review presents the most relevant and helpful sources available. Its purpose is to provide necessary background information while framing the research objectives: factoring inflation and 30 years of technological advancement into a dated set of fuel usage factors, reducing risk for both agencies and contractors, and ensuring the availability of an improved system to state DOTs.
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Background 13 average price per ton of asphalt in Florida, for example, increased from $34.66 in 1990 to $97.04 in 2008. Such increases reinforce concerns with inflationary risks and doubts over the efficacy of current escalator clauses (Prasad 2010)
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14 Fuel Usage Factors in highway and Bridge Construction 1.3.3 Academic Research Another set of literature consists of university-based research studies conducted for state DOTs on various aspects of price adjustment clauses. One such study is the June 2007 "Best Practice for Developing the Engineer's Estimate," a SCDOT research project with FHWA funding, written by Karl Niedzwecki, Greaton Sellers, and Lansford Bell of Clemson University.
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Background 15 failure to correct for the effects of inflation on the 1980 fuel adjustment factors for structures and miscellaneous costs. The second is improvements in construction practices and fuel efficiency.
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16 Fuel Usage Factors in highway and Bridge Construction ostensible improvements in estimation methodology (Schexnayder et al.
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Background 17 despite numerous contacts with entities such as the United Kingdom's Highways Agency. Perhaps the best source currently available is the "International Construction Cost Survey 2009," published by Turner & Townsend.
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