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County turns low seal coat bid into better road surface

The savings from a low seal coat bid this year will result in other McLeod County road improvement.
Highway Engineer John Brunkhorst requested McLeod County Board approval to solicit quotes for an ultra-thin bonded wearing course on South Grade Road (CSAH 115) between CSAH 7 and Otter Lake Bridge in lieu of doing a double-chip seal that had been approved.
“We learned MnDOT is bidding a similar project in June for Trunk Highway 15 through downtown Hutchinson,” said Brunkhorst. “We would like to capitalize on the economy of scale and perform similar work around the same time.”
This segment of road is already programmed this summer for a double-chip seal at a cost of about $37,600. The estimated price for the ultra-thin bonded wearing course is $76,000 to $91,000.
The difference in price could be covered with the savings to the county seal coat bid this year that was about $56,000 under estimate. Brunkhorst said the county also could apply for an operational research grant of $10,000 maximum to help defray the cost.
The highway department is requesting this change because the ultra-thin has been performing well on U.S. Highway 212 and Trunk Highway 22, and this should provide longer life. The county will get “more bang for the buck,” added Brunkhorst.

For more from the County Board meeting, see the May 6 print edition of The Chronicle.