The Grande Cache Coal project

Abstract Grande Cache Coal (GCC), an investor-owned Alberta company, is in the final stages of the regulatory process leading to the resumption of coal mining in the Smoky River Coal Field of Alberta. Although many opportunities for low-cost, high-yield mining remained on the property, GCC opted for a long-term production plan that ensures stability for the local economy, sustainable use of the resources in the area, environmental responsibility and a satisfactory return for its investors. GCC entered the Alberta coal approval process in late 2000 with a public disclosure document. In October 2001, GCC formally submitted an application for mining approval and an environmental impact assessment (EIA) to the government and the public. The application covered the proposed Grande Cache Coal project, which includes the No. 7 underground mine, No. 8 surface mine and coal processing operations. The EIA provided a comprehensive investigation of environmental sensitivities in the project area, matched with environmental protection programs. The project is based on commencement of operations in late 2002.
GCC’s plans are founded on a commitment to sustainable development and has framed this commitment in the context of a long-range mine development plan that will sustain the community of Grande Cache over the next 25 years. The Grande Cache coalfields offer extensive coal reserves and opportunities, for both surface and underground mining. Combining highly productive U.S.-style room-and-pillar underground mining methods and conventional truck-and-shovel open pit mining, GCC’s approach to sustainable development encompasses community involvement and reclamation of mine sites to productive land uses after mining.
Keywords: Grande Cache Coal project,
Coal mining, Sustainable development,
Reclamation.
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Summary: The Oil sands-Equipment Interactions Program (OsEIP) is a collaborative research venture between Syncrude Canada Ltd., James Progithin International Ltd. (JPi), the University of Alberta, P&H MinePro, and Caterpillar Inc. The objective is to better understand the behaviour of oil sands as it interacts with mining equipment, in particular, large trucks and shovels. With a move to ever larger equipment, mining oil sands of highly variable bitumen content, ground stability comes into question....
Publication: CIM Bulletin
Author(s): T.G. Joseph
Keywords: Oil sands, Underfoot stiffness, Shovel stability, Truck stability, Oil sands-Equipment Interaction Program (OsEIP).
Issue: 1064
Volume: 95
Year: 2002
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Summary: Hangingwall sloughing is the major cause of unplanned stope dilution in open stope mining. Understanding the hangingwall sloughing mechanism can guide the stope design in minimizing the unplanned dilution and improving muck size and therefore mining efficiency. Though the modified stability graph method may be adopted to assess the hangingwall stability, for mines where the hangingwall is inaccessible, the required parameters are difficult to define and some of the simple influential factors...
Publication: CIM Bulletin
Author(s): J. Ran
Keywords: Hangingwall, Voussoir beam, Sloughing, Muck quality, Dilution.
Issue: 1064
Volume: 95
Year: 2002
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Summary: An experimental and numerical study was conducted on the geomechanical behaviour of oil sands during penetration tests in which a steel wedge with an apex angle of either 20 degrees or 30 degrees was forced into compacted oil sands. The boundary conditions simulated in the laboratory tests are similar to shovel penetration into oil sands. The objective of the laboratory tests was to measure the force required to push a steel wedge into compacted oil sands. A wedge penetration test differs...
Publication: CIM Bulletin
Author(s): D.D. Tannant, C. Wang
Keywords: Wedge penetration, Oil sands, Geomechanics, Particle Flow Code (PFC).
Issue: 1064
Volume: 95
Year: 2002
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Summary: This paper considers the duty cycle of an electric cable shovel and correlations with measured passive seismic responses of the underfoot oil sands material in-pit.
It has been observed that the cyclic activity during operation of any shovel in the oil sands environment causes the material to deteriorate and provide a less than ideal footing for this large item of equipment, whose dead weight approaches 1500 tons with a footprint of merely 75 sq. yd. Consequences are manifested in the form of...
Publication: CIM Bulletin
Author(s): T.G. Joseph, G.W. Hansen, J.M. Goris
Keywords: Cables, Oil sands, Shovels, Equipment, Oil sands-Equipment Interaction Program (OsEIP).
Issue: 1064
Volume: 95
Year: 2002
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Summary: Syncrude Canada operates the largest oil sands crude oil production facility in the world and produces over 13% of Canada’s total oil requirements. To achieve this, Syncrude mines the oil sands in open pits, extracts the raw oil known as bitumen from the sand using water-based processes and upgrades it into sweet light crude oil by fluid coking, hydroprocessing, hydrotreating and reblending. The final product, Syncrude Sweet Blend (SSB), is sent by pipeline to three Edmonton area refineries...
Publication: CIM Bulletin
Author(s): L.M. Gould
Keywords: Oil sands, High precision shovel GPS, Geology, Open pit.
Issue: 1064
Volume: 95
Year: 2002
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