Thermal Imaging showing uniform heat in the new and recycled layers
Fact Sheet:
Thermal Imaging May 2016
Location:
SR-30 for the Utah Department of Transportation, May 2016.
Method:
Cutler Repaving Inc. Single Pass Hot In-place Repaving.
1.5” cold mill first to remove several layers of chip seal; then recycling 1.5” depth adding 1.5” of new AC on the surface in a single pass.
New AC:
½” minus. Superpave 75 gyration, 64-34 binder mix with 20% RAP. State of Utah mix Gr.SX(75)PG64-34.
Recycling Agent:
0.15 gal/syd; HFMS-2P for the 1.5” recycle depth.
Haul Route:
50 miles, approximately 1.5 hours up Logan Canyon.
Vertical climb = 2900’ to a maximum elevation of 7800’.
Project location on the shores of Bear Lake, elevation 6000’.
2 Cutler conventional preheaters; 1 new forced air heating hood PCV; 1 conventional heating Repaver, in that order on the roadway.
Equipment:
New forced air heating hood deployed on PCV.
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Cool ambient temperatures
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High elevation
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1.5” recycle depth (typical 1”)
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Minimal smoke
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Long haul
Key Points:
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