Assessment of the 40” Wide Paving Skid Box for Preventative Maintenance
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Assessment of the 40” Wide Paving Skid Box for Preventative Maintenance

Filetype[PDF-1.53 MB]

  • English

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    • Edition:
      Final Report (2012-2015)
    • Abstract:
      VTrans has typically employed common preventative maintenance treatments (PMTs) such as bituminous crack fill sealant, chip seal, micro-surfacing, slurry seal, cape seal, fog seal, paver placed surface seal, ultra-thin bituminous overlay, cold milling and bituminous overlays, and hot-in-place bituminous overlays. These treatments have proven to be effective. Their costs however can be fairly expensive depending on the treatment and roadway type. The average winning bid price was approximately $1.6 million to treat an approximate average of 12 miles of state maintained highways from 2009 to 2011. Many state maintenance departments are investigating ways to repair deteriorated roadways at lower costs. VTrans Operations division has contracted with ST Paving located in Waterbury, VT through a Category II Maintenance Rental Agreement (CAT II MRA) to address several distresses along four sections of roadway in central Vermont in a cost-effective manner. The project repaved a 40 inch wide area around the right wheel paths in each direction, rather than repave the entire roadway surface. The goal of the project is to eliminate water penetration, stop further failures, repairing and improving the ride, and extend the service life of the existing pavement. These goals will further improve safety in these areas by: 1) eliminating water retention and hydroplaning; 2) reducing roughness for cars and bicyclists; and 3) eliminating snow retention thus reducing the amount of salt needed for winter maintenance to clear the roadways. This report outlines the effectiveness of the process used as well as the 40” skid box on the sections of US Route 2. Sites visits with observation of rutting and cracking show an improvement in performance over the period of this study, and allow for an extended service life of this roadway segment.
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