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By Greg Udelhofen
Editor
Pavement Recycling Systems is a vertically integrated company that maintains complete ownership and control of the RAP slurry manufacturing process - from milling to processing the recycled asphalt pavement material to be incorporated in the slurry Pavement Coatings delivers to its agency customers.
As one of California's largest cold planning and milling operations, Pavement Recycling produces a continuous supply of recycled material. That material is trucked to the company's processing facility where it is tested, fractionated (or separated) into various components, and then ground and homogenized into a mixture of uniform properties.
At each stage of the process, a full range of QA and QC procedures are performed to maintain a consistent quality product that can then be used in slurry mixtures.
The Duarte RAP slurry seal 2008 project used 1,400 tons of RAP material, which saved 49 tons of emulsion. Using a VSS MacroPaver, Pavement Coatings' slurry crew placed 210,000 square yards of RAP slurry seal over both residential and small collector roads in eight days.
"We applied the RAP slurry over some roads that were first treated with a cape seals and other roads that just received the slurry," notes Doug Ford, manager of Pavement Coatings. "We're having success with promoting the advantages of RAP slurry preservation treatments and I think as more agencies recognize that the sustainability advantages make it the right solution for preserving and maintaining the service quality of their road systems, more will choose it as their preservation solution."