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DumpSolver Pty Ltd is a Perth-based company that was formed in 2002 to provide a service to optimise the economic design and sequencing of waste dumps for open pit mines. The company was named after its proprietary software program, which is designed to do for waste dump design what pit optimisation programs like Whittle Four-XTM have done for open pit design. DumpSolver has been under development since 1999. Experience has shown that a significant proportion of the costs associated with an open pit mine are directly related to the haulage of waste rock and therefore construction of the waste dump. In studies carried out to date, DumpSolver has provided a new dump profile that has consistently reduced these haulage costs sometimes by as much as 15c/bcm. For a large mine hauling around 500 million cubic metres of waste, this can represent a very significant saving over the life of the mine. For smaller operations, the overall cost reduction will obviously be more modest, however a 5% improvement on a NPV of $5 million still represents a significant improvement on return. In addition to direct saving in operating costs, DumpSolver designs have been shown to have more favourable environmental outcomes. Apart from the obvious reduction in fuel consumption and therefore greenhouse gas emissions, the lower more gently contoured dump profiles typically produced by DumpSolver, have improved stability, water handling capabilities as well as better retention of topsoil and re-vegetation and hence present improved erosion-resistant qualities than traditional rectangular waste dumps. DumpSolver is a rigorous planning tool that will guide a mining engineer to develop the most economic waste dump. DumpSolver's unique and rapid method of handling dumping constraints allows the strategic impact of specific decisions to be assessed financially and collectively rather than subjectively. This allows management to control the dump construction process and target expenditure. The process is equally applicable to owner operator or contract mining operations.
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| © 2005 DumpSolver Pty Ltd Website designed by Seja Design |
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| Optimising, designing and sequencing mine waste dumps towards a sustainable mining industry | ||