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    Scenario evaluation through Mine Schedule Optimisation

    162618_39726_Scenario eval thru mine sched optimisation.pdf (363.9Kb)
    Access Status
    Open access
    Authors
    Fava, L.
    Millar, D.
    Maybee, Bryan
    Date
    2011
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Fava, Lorrie and Millar, Dean and Maybee, Bryan. 2011. Scenario evaluation through Mine Schedule Optimisation, in Kuyvenhoven, R. and Rubio, E. and Smith, M. (ed), MinePlanning 2011, Jun 8 2011. Antofagasta, Chile: Gecamin.
    Source Title
    Proceedings of the 2nd international seminar on mine planning
    Source Conference
    2nd International Seminar on Mine Planning
    ISBN
    9789568504458
    School
    Graduate School of Business
    URI
    http://hdl.handle.net/20.500.11937/36590
    Collection
    • Curtin Research Publications
    Abstract

    The Schedule Optimisation Tool (SOT) is a software that identifies the sequence (schedule) of mine development and the ore production activities that maximise the Net Present Value (NPV). A case study exercise in a live mine planning process found that SOT added over a hundred million dollars of value to the orebody. SOT has been enhanced to allow automated generation and evaluation of mine design parameters. The first enhancement allows the automated evaluation of schedules over a range of operational resource constraints. Heuristics can be used to seed the starting point of the search; for example, by prioritising production from specific stopes based on their mineral grades. The second enhancement allows a user‐specified ranking to be applied as a seeding heuristic. A third enhancement allows automated application of sequencing rules for primary and secondary stopes. SOT provides substantial assistance to the mine planner, allowing for strategic decisions based on a thorough evaluation of mine design parameters.

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