The placement of emulsion spray is automated, and the system regulates percentages of emulsion applied, making it easy on the crew, Webster said. "If the paver slows down, the application rate slows down," he said. "It's easy to use."
Once the emulsion is placed, and asphalt compacted, traffic can be allowed on the pavement within minutes. "You can let traffic on the UTACS very quickly, it's not a very 'tender' mix," he said.
One eight-man crew handles the Super 1800-2 SprayJet and UTACS paving, and Andy Kimball is paving superintendent. A material transfer vehicle is required by agency spec, although the benefits of an MTV in an ultra-thin overlay aren't as obvious as with thicker lifts.