Work Zone Wednesday: Scrub seal completed on K-51 in Morton County
A crack is shown on K-51 before the repair work.
K-51 in Morton
County from the Kansas/Colorado state line east to the K-51/K-27 got a
face-lift with a scrub seal followed by chip seal in June. According to Syracuse
Construction Manager Larry Meyer, this was the first scrub seal project
completed by District Six and only the third scrub seal completed in
The project was
completed in just six days by Mid America Road Builders Inc. out of Platte City,
Mo., at an approximate cost of $230,000. The work took six days to
Here is the crack after the asphalt emulsion oil is sprayed on the highway.
During a scrub
seal, an asphalt emulsion oil is sprayed on the roadway and then “scrubbed” into the cracks with an emulsion
scrub broom. Then a light-weight cover material is applied and rolled into the surface. This is followed by a chip
Meyer was very
impressed with this process as the scrub seal forced the asphalt material into
the cracks sealing them better than the conventional sealing operation. In
addition, the cracks were almost completely full after the chip seal on top of
the scrub seal.
The crack is filled after the scrub broom pushes the material into it..