2018 Sealcoat Project

Project Summary
2018 Seal Coat Project Map [PDF]
 2018 Seal Coat Map

The 2018 seal coat project is scheduled to begin Monday, July 16. The work is generally located within the southwest portion of the City, south of Highway 5 and west of Flying Cloud Drive. A few streets near Shady Oak Road west of Highway 212 also are getting seal coated as indicated on the project map [PDF]. The project is scheduled to be completed by Aug. 17, 2018.

Seal coating is considered a maintenance activity and helps extend the life of an asphalt street by sealing the cracks and providing protection from water. Prior to the actual seal coat application, “crack sealing” is done. This is where the cracks are sealed with an asphalt compound.  

Weather conditions and time allowing, the majority of the project area receives a chip seal followed by a fog seal – as indicated on the project map [PDF].

The chip seal procedure consists of spraying a thin layer of asphalt oil on the roadway surface, placing a thin layer of rock chips over the top and rolling the rock chips into the oil. Then the excess loose rock is swept up, typically within five days of the placement. During the chip seal coat process, roadways are open to traffic with appropriate traffic control in place, however short-term traffic delays may occur.

Next, the fog seal places a thin layer of asphalt emulsion over the chips that have been placed to help lock them in place. Driving and parking on streets being fog sealed must be avoided during the application of the asphalt emulsion until the emulsion cures.

Residents within the seal coat areas are notified before to both phases of the work.

“No Parking” signs are posted along the seal coat routes approximately one working day before the seal coat operation. Residents are requested to move their vehicles from those streets at that time. If vehicles remain on the street at the time of the seal coating and the owners cannot be located, the vehicle will be towed. Please refrain from watering lawns and operating irrigation systems until the seal coat has been completed. Cooperation of area residents is appreciated and can minimize the inconvenience during this time. “No Parking” signs will be removed after the seal coating is completed.

Project Contact
Mary Krause
Senior Project Engineer
952-949-8315

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