Tunneling through a {open_quotes}fault{close_quotes} - the channel fill of the ancient Galatia River and a couple of {open_quotes}real{close_quotes} faults

Conference · Mon Dec 01 04:00:00 EST 1997

OSTI ID:549059

Grounds, T A ^[1]

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1. Kerr-McGee Coal Corp., Harrisburg, IL (United States)

Construction of the Kerr-McGee Galatia mine began in 1982. Production began in 1984, initially from the Springfield (No. 5) Coal (locally called Harrisburg No. 5) 550 feet below the surface, then in April 1985, from the Herrin (No. 6) Coal, about 100 feet above the No. 5 seam. The room-and-pillar method was used to 1989 in the Herrin and to 1992 in the Springfield seams when they were converted to longwall mining, respectively. Only the required development work is performed by continuous miners. The author describes the effect of Clean Air Act Ammendments on the minability of some of the mines reserves, and consideration of gaining access to additional reserves, which however required tunneling of approximately 1 mile to gain access. The author goes on to describe the decision to access this coal, survey work in characterizing the rock which had to be mined, experience with a contractor in performing the work, and finally the need of the mining company itself to take over the tunnel completion to maintain cost and schedule control.

• OSTI ID: 549059
• Report Number(s): CONF-9609232--
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
COAL MINING
GEOLOGIC FAULTS
ILLINOIS
TUNNELING