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Home » Asphalt Contractor » September 2006

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Paving the Iowa Speedway

NASCAR champion Rusty Wallace gives new track thumbs-up for work completed by Manatt's Inc.

Roadtec RP-195 10-foot rubber-track paver.

After driving numerous laps around the track, Rusty Wallace said, This surface is flawless; a great ride. Its simply going to offer a great racing experience and be the best racetrack in the world.

Rusty Wallace

Roadtec RP-195 10-foot rubber-track paver.

Manatts used windrow paving to construct the track, which meant they needed a paver that could operate in the banked turns, reaching a maximum of 14 degrees cross slope, while pushing a windrow elevator. To handle this task, Manatts used a Roadtec RP-195 10-foot rubber-track paver paired with an Eagle 10 screed.

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By Greg Udelhofen
Editor

Both the base and binder courses used a PG 76-22 binder and surface course used a polymer modified PG 82-22 binder. The surface course also consisted of 65-percent granite which was imported from Minnesota. The rest of the mix consisted of primarily limestone and sand which were available locally.

Overall the project has been a huge success. All smoothness and density requirements were met and final touches are being made to prepare for Indy Racing League track tests.

There has also been interest from many other race circuits. After all is said and done, there will be almost 85,000 tons of asphalt used at the Iowa Speedway at a cost of $8 million for the material. The first race on the track is scheduled for Sept. 15th.

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