Frontier-Kemper Mining Projects
Oak Grove Service Shaft
Contractor: Frontier-Kemper Constructors, Inc.
Owner: Oak Grove Resources, LLC
Location: Near Oak Grove, Alabama
In January 2010, Frontier-Kemper Constructors, Inc. was awarded a project by Oak Grove Resources, LLC (subsidiary of Cliffs Natural Resources) to construct a service shaft at their Oak Grove Mine near Oak Grove, Alabama. The FKCI Mining Group will construct a 24 ft. finished diameter conventional shaft with a depth of approximately 750 ft. The shaft will be concrete lined to the station at the coal seam. Station development will include construction of a four-way station with a large chamber excavation for a bridge crane, and development of a 32 ft. deep elevator pit and sump. After completion of the shaft and installation of the shaft steel and guides, the FKC-Lake Shore Division will install a new 40-ton turn-key hoisting system.
Drummond Coal Raise Bored Shafts
Contractor: Frontier-Kemper Constructors, Inc.
Owner: Drummond Company, Inc.
Location: Near Oak Grove, Alabama
In August 2009, FKCI was awarded the contract to raise bore two ventilation shafts for the new West Main access facility for the Drummond Company Shoal Creek Mine near Oak Grove, AL. Each shaft will be raise bored to a diameter of 16’-6” at a depth of approximately 1,250 ft. The shafts will be approximately 500 ft. apart and raise bored consecutively using our IR211 raise bore machine. Collar and coping construction will start around the beginning of November 2009 with drilling of the fan shaft pilot hole commencing in December 2009. After completion of the fan shaft raise bore, the IR211 will be moved to the intake shaft.
Black Panther Mining, LLC Raise Bored Shafts
Contractor: Frontier-Kemper Constructors, Inc.
Owner: Black Panther Mining, LLC
Location: Oaktown, Indiana
In February 2009, Frontier-Kemper was awarded a contract from Black Panther Mining, LLC for the construction of two raise bored shafts at their Oaktown Fuels Mine No. 2 in Oaktown, IN. The two shafts will be 18 ft. (finished) diameter by 450 ft. deep. These shafts are being constructed at the same mine where Frontier-Kemper recently completed the first 20 ft. diameter blind drilled shaft in North America.
Perry County Coal Shafts Project
Contractor: Frontier-Kemper Constructors, Inc.
Owner: Perry County Coal Corporation
Location: Hazard, Kentucky
In October 2008, Frontier-Kemper was awarded the contract to construct two new shafts for Perry County Coal in Hazard, KY. Work includes construction of two new 22 ft. finished diameter mine shafts on one site with the shafts located approximately 150 ft. apart. This includes a 250 ft. deep shaft into the Elkhorn No. 4 seam and a 470 ft. deep shaft into the Elkhorn No. 3 seam, as well as other associated work. The shafts will be conventionally excavated and lined with concrete. Each shaft will have a bottom station, 15 ft. sump, and divider wall.
Tunnel Ridge Shaft Construction Project
Contractor: Frontier-Kemper Constructors, Inc.
Owner: Tunnel Ridge LLC – A Subsidiary of Alliance Coal LLC
Location: Triadelphia, West Virginia
In November 2008, Frontier-Kemper was awarded the contract to construct a new service shaft for Alliance Coal’s Tunnel Ridge, LLC subsidiary. The shaft is located in Triadelphia, WV near the recently completed Shoemaker Mine slope project. The shaft is to be a dual-compartment 30 ft. finished inside diameter shaft with a collar pad and air sweep, four-way concrete lined station, and 30 ft. deep sump. The shaft will have a station on the Pittsburgh No. 8 seam level. The total shaft depth will be approximately 520 ft. to the bottom of the sump.
Doe Run Raise Shafts
Contractor: Frontier-Kemper Constructors, Inc.
Owner: The Doe Run Company
Location: Near Viburnum, Missouri
In April 2008, The Doe Run Company awarded FKCI the contract to raise bore four ventilation shafts. The shafts will be located near Viburnum and Bixby, Missouri at several of the Doe Run Mines in the area – the Brushy Creek Mine, Casteel Mine, and No. 29 Mine. All work is scheduled to be completed by the end of 2008. The four shafts will be constructed consecutively. All shafts are 6 ft. diameter raises ranging from about 600 ft. to approximately 1,000 ft. in depth. Steel casing will be installed through the overburden.