Jurisdiction: Abandoned Mine Lands
2012 Completed Projects Archive
2012 Columbus Phases 13 and 14 Projects
These two projects were conducted to eliminate 7000 feet of dangerous highwall, level unstable spoil piles and grade and revegetate 350 acres at an abandoned mine south of Columbus. Approximately 589,250 cubic yards of excavation were required for these projects. The contractor for Phase 13 was Baranko Bros, Inc. of Dickinson, ND. Work was completed October 25, 2012, and the contract cost was $625,693.80. The contractor for Phase 14 was Riley Bros. Construction, Inc. of Morris, MN. Work was completed October 3, 2012, and the contract cost was $757,829.75.
2012 Beulah/Zap Phase 13 Project
The objectives of this project were 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. Approximately 4059 feet were drilled and 5496 cubic yards of grout were pumped into underground mine voids at this project site. In addition, 36 dangerous sinkholes were filled. The contractor for this project was B & C Concrete Pumping, Inc. of Williston, ND. Work was completed December 5, 2012, and the contract cost was $729,263.80. A separate contract was issued to Geoserv, Inc. of Bismarck, for testing of the grout used for this project and the final cost was $30,500.
2012 Exploratory Drilling Project
The objectives of this project were to perform rotary drilling, drill hole casing and associated work in order to obtain subsurface information concerning abandoned underground mines. Approximately 31,595 feet of drilling and 2540 feet of casing were conducted at locations near Belfield, Bowman, New Leipzig, Reeder and Scranton, North Dakota. The contractor for this project was T & C Drilling, Inc. of Mandan, North Dakota. Work was completed July 31, 2012, and the contract cost was $170,500.
2012 Sinkhole Filling Project
This project was conducted to fill approximately 41 dangerous sinkholes resulting from collapse of underground coal mines. Sinkholes were filled near the cities of Haynes, Dickinson, Wilton, and Baldwin. Repairs were also made to erosion features on a reclaimed surface mine near Velva, ND. The contractor for this work was Earthworm Excavating of Carrington, ND. Work was completed November 27, 2012, and the contract cost was $61,772.75.
2012 Coal Fire Suppression Project
This project was conducted to extinguish four dangerous coal seam fires on the Little Missouri National Grasslands in Slope and McKenzie Counties in North Dakota. The contractor for this project was Baranko Bros, Inc., of Dickinson, ND. Work was conducted December 5-23, 2012, and the total contract cost was $35,000.