Evaluation of 3M tape vs. poly-carb striping and striping warranty : construction phase report, December 2009.
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Evaluation of 3M tape vs. poly-carb striping and striping warranty : construction phase report, December 2009.

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    • Alternative Title:
      Organizational results research report
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      Final report.
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    • Abstract:
      The objective of this study was to find the best, most highly visible and long lasting striping for Missouri’s major highways. MoDOT currently has a contract with the 3M Company for the installation of Preformed Pavement Marking Tape for longitudinal striping on divided major roads but the contract will be ending in 2011. Tape has been found to be one of the best wet-reflective pavement markings so far but costs up to $5 per linear foot. The contract being studied was awarded on July 23, 2008 to Poly–Carb Inc. to provide Striping and a Striping Warranty on 235 linear miles of longitudinal striping on various roadways in the St. Louis and Kansas City areas. The way the whole process was done was innovative. It was a performance based warranty contract. Rather than specifying certain materials, the Department went out with a Request for Bids (RFB) that listed the requirements of how the stripe was to perform and let the bidders propose how they would meet those requirements. Asking for a fouryear warranty was also something new for MoDOT. While there is a four year warranty with 3M, this was the first time to ask for a warranty on pavement markings using a bidding process and specifying a payment schedule linked to that warranty. The Striping Warranty will be in effect until June 30, 2013. The contractor put down about 2.9 million feet or 550 line miles of the product. The final cost of the contract was $6.56 million, making the cost per linear foot $2.37 compared to the current $5 per linear foot for Preformed Pavement Marking Tape. Initial inspection results were very good with good color and very high retroreflectivity readings and initial payments were made with no corrections needed to the markings. Performance measures will be watched closely for the next four years. This study will evaluate both the quality of the pavement marking and the effectiveness of the performance based warranty to lower costs.
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