Coal Cost Guide Cost Indexes for Surface and Underground Coal Mining and Processing (Preparation)

Coal Cost Guide Cost Indexes for Surface and Underground Coal Mining and Processing (Preparation)

Cost indexes provide a means of adjusting out-dated cost information for the effects of inflation. They are based on statistical averages of costs for specific items and time periods. Following are the composite indexes for capital and operating costs for each of surface and underground coal mining and coal processing (preparation) operations. Indexes for specific cost centers, e.g. labor, equipment, transportation, fuel, explosives, tires, electric power, natural gas, and industrial chemicals are available by subscription to Coal Cost Guide.

The CostMine U.S. CCG indexes are composite indexes representing the cost of developing and operating a typical coal mine and preparation plant operation in the United States. Separate indexes are listed for surface mine capital costs, surface mine operating costs, underground mine capital costs, underground mine operating costs, mill capital costs, and mill operating costs. Composite proportions are determined from base model estimates with cost distributions listed in Coal Cost Guide (printed version). The surface mine base model is a typical truck-dragline-excavator operation mining 45,000 short tons (40,800 tonnes) coal per day. The underground mine base model is a 8,000 short tons (7,258 tonnes) per day longwall operation using using continuous miner development and ramp access and LHD-conveyor haulage. The plant base model is a 1,400 short tons (1,270 tonnes) per hour heavy media operation.

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