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Piatt County – County Highway 9

Eric Seibring – County Engineer

Cold-In Place Recycling – (2013)

• 4-inch Depth
• Engineered Emulsion
• 3-inch HMA Surface Treatment

Road Condition

• Road deterioration due to grain elevator in close proximity
• Large farm equipment and semi traffic
• Longitudinal cracking
• Reflective cracking
• Rough ride  

Henry County – County Highway 19

Steven L. Brandau – County Engineer

Cold In-Place Recycling

• 4-inch Depth
• Engineered Emulsion – 1.8 gallons per square yard
• A-2 Oil and Chip Surface Treatment

CH 19 – 77,400 square yards

• Road deterioration due to heavy machinery from Bishop Hill Wind Farm
• Longitudinal cracking
• Raveling/stripping discovered during coring for mix design
• Some HMA patching (2013) done to deter deterioration of road in certain sections
• Base repair (2012) due to large machinery from Bishop Hill Wind Farm

The video, generously provided by Wirtgen displays the one of two short train processes of CIR that Dunn Company utilizes.

The video, generously provided by Wirtgen displays the two short train processes of CIR that Dunn company utilizes.