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Application Types
Resurfacing Applications
The City incorporates two types of resurfacing applications. The first is asphalt overlay, a mixture of coarse rock and asphalt 2 inches or more in depth. The second is slurry seals, a mixture of fine rock and emulsified asphalt that is placed on the pavement about one-fourth-inch thick to protect and seal the surface from the elements.

Pavement Selection
Roads rated in good condition in the City’s Pavement Management Program may be selected for slurry-seal application. Roads that would not benefit from slurry seal are ranked in priority for re-pavement at a later date.

Spray Injection Patching
Spray injection information:
  • Spray injection is a proven industry standard to repair potholes and other types of roadway imperfections.
  • The process of spray injection includes cleaning of the area to be repaired with air pressure.
  • A tack coat of heated emulsion is placed.
  • The pothole is then filled with granular material coated with heated emulsion.
  • Once the hole is filled, a dry layer of granular material is placed on top and the roadway is ready for traffic.
  • Spray injection does have a kick off of aggregate. Streets will be swept by the City approximately 30 days after the application.

Slurry Seal
Slurry seal information:
  • Slurry Seal is a proven industry standard used to preserve roads in good condition and extend pavement life.
  • Prior to application of slurry seal, roads are prepared using crack seal or asphalt patching.
  • The City uses different processes of slurry seal that are a mixture of fine aggregate and emulsified asphalt. The mixture is applied to prepared road surfaces.
  • The slurry seal coat requires 24 to 48 hours to cure but can be driven on within a few hours after application.
  • Slurry seal has a kick off of aggregate. Streets will be swept by the City approximately 30 days after the application.
  • Residents will be notified at least 24 hours prior to the slurry-seal application on their street and will be asked to park on a neighboring street while work is being completed.
  • An independent material-testing laboratory will be contracted to perform testing of the slurry materials to ensure that it meets project standards.