Underground Planning at Stillwater Mining Company

W. Matthew Carlyle and B. Curtis Eaves
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W. Matthew Carlyle: Department of Industrial Engineering, Arizona State University, Tempe, Arizona 85287-5906
B. Curtis Eaves: Department of Management Science and Engineering, Stanford University, Stanford, California 94305-4023

Interfaces, 2001, vol. 31, issue 4, 50-60

Abstract: As part of a new expansion effort, Stillwater Mining Company needed a tool for analyzing development and production scenarios in a new area of an underground platinum and palladium mine in Stillwater, Montana. We developed a large mixed-integer programming model that takes as input the planned mine layout, projected ore quality, and projected costs for basic mining activities, and produces as output a near-optimal schedule of activities that maximizes discounted ore revenue over a given planning horizon. We then used this model to evaluate various planning scenarios and make recommendations about development and production in this new area.

Keywords: INDUSTRIES—MINING-METAL; PRODUCTION—SCHEDULING-PLANNING (search for similar items in EconPapers)
Date: 2001
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