A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Development of a Pavement Warranty Contract and Performance Specification for a Hot-Mix Asphalt Resurfacing Project
Reports by state DOT's have indicated that the use of a pavement warranty may increase the overall pavement quality and the time between required maintenance operations. In an effort to increase the service lives of pavements, VDOT developed a warranty contract and a 9-year performance specification for inclusion as part of the contract documents for a typical interstate flexible pavement resurfacing project. A project site that was already scheduled for resurfacing was chosen as a pilot location for study of the warranty concept. Following a field investigation that revealed significant localized stripping of the asphalt binder and a weakened pavement structure, VDOT developed its own "most likely" rehabilitation strategy. Following this process, it was decided that this site did not represent suitable conditions for studying the implementation of the warranty concept. Main reasons for this conclusion were the advanced state of deterioration of the existing pavement and an inability to increase the pavement surface elevation after rehabilitation. Although the warranty concept was not included at this particular site, it is anticipated that VDOT will consider the implementation of a pavement warranty in the future at another location. This paper presents the experiences in developing a performance-based warranty specification, usage of the field investigation results in the final decision, and a discussion of future usage of warranties for pavement projects in Virginia.
Development of a Pavement Warranty Contract and Performance Specification for a Hot-Mix Asphalt Resurfacing Project
Reports by state DOT's have indicated that the use of a pavement warranty may increase the overall pavement quality and the time between required maintenance operations. In an effort to increase the service lives of pavements, VDOT developed a warranty contract and a 9-year performance specification for inclusion as part of the contract documents for a typical interstate flexible pavement resurfacing project. A project site that was already scheduled for resurfacing was chosen as a pilot location for study of the warranty concept. Following a field investigation that revealed significant localized stripping of the asphalt binder and a weakened pavement structure, VDOT developed its own "most likely" rehabilitation strategy. Following this process, it was decided that this site did not represent suitable conditions for studying the implementation of the warranty concept. Main reasons for this conclusion were the advanced state of deterioration of the existing pavement and an inability to increase the pavement surface elevation after rehabilitation. Although the warranty concept was not included at this particular site, it is anticipated that VDOT will consider the implementation of a pavement warranty in the future at another location. This paper presents the experiences in developing a performance-based warranty specification, usage of the field investigation results in the final decision, and a discussion of future usage of warranties for pavement projects in Virginia.
Development of a Pavement Warranty Contract and Performance Specification for a Hot-Mix Asphalt Resurfacing Project
Diefenderfer, Brian K. (author) / Bryant, Jr., James W. (author)
Airfield and Highway Pavements Specialty Conference 2006 ; 2006 ; Atlanta, Georgia, United States
Airfield and Highway Pavement ; 996-1007
2006-04-28
Conference paper
Electronic Resource
English
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