Jurisdiction: Abandoned Mine Lands
2011 Completed Projects Archive
2011 Columbus Phases 11 and 12 Projects
These two projects were designed to eliminate a combined 2.5 miles of dangerous highwalls on 270 acres at an abandoned mine south of Columbus.Approximately 1.4 million cubic yards of excavation were required for these projects. The contractor for Phase 11 was Kern & Tabery, Inc. of Wadena, MN. Work was completed May 18, 2012, and the contract cost was $1,737,940.20. The contractor for Phase 12 was Gary Morlock Construction, Inc. of Bismarck, ND. Work was completed October 27, 2011, and the contract cost was $922,416.
2011 Beulah/Zap Phase 12 Project
The objectives of this project are to drill holes to locate underground mined workings and to pump a cementitious grout through these holes to fill the mine voids and reduce the likelihood of collapse. This was the twelfth year of a multi-year project in near Beulah. Approximately 15,829 feet were drilled and 9000 cubic yards of grout were pumped into underground mine voids at this project site. The contractor for this project was B & C Concrete Pumping, Inc., of Williston, ND. Work was completed December 29, 2011, at a final cost of $1,087,530. A separate contract was issued to Geoserv, Inc., of Bismarck, for testing of the grout used for this project and the final cost was $38,655.
2011 Sinkhole Filling Project
This project was conducted to fill approximately 172 dangerous sinkholes resulting from collapse of underground coal mines. Sinkholes were filled near the cities of Burlington, Noonan, Hanks, Beach, Haynes, Dickinson, Richardton, New Salem, Parshall, Garrison, Wilton and Washburn, ND. The contractor for this project was Basaraba Excavating & Dirt Works, L.L.C., of Wilton, ND, and the total contract cost was $153,520.50.