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Planning for Closure Workshop Announced

ยท 500 words, 3 minute read

RGS Environmental – Planning for Closure Workshop

Integration of mine planning, material characterisation and mine water management using a new framework.

RGS Environmental and the workshop facilitators will present a framework that can be used to meet the need for planning for integrated mine closure and progressive rehabilitation and closure planning. The workshop will include a group exercise to enable participants to contribute to the workshop, by identifying risks / opportunities / limitations to implementing the integrated mine closure planning process.

Workshop agenda
  • Professor Ward Wilson will provide an overview of the current concepts used to manage mine waste and discuss their strengths and weaknesses. Ward will provide examples of the work he has done using co-disposal methods of waste management and how approaches can be used to reduce geotechnical failure, reduce long term financial liability and reduce the footprint of the mine waste facilities. Ward will provide examples of industry leading practice from north and south America that can be considered by mine planners when they are developing mine designs.
  • Deswik will build on the discussion by Ward and present some of the key aspects of its solutions using visual real-world examples of project work completed in 2017 to 2019. The power of the tools will be immediately apparent to the attendees in the workshop and set the scene for the subsequent presentations and discussion. Deswik will also discuss the data that is needed to underpin the work, such as geochemical and physical data for the soil, regolith and mine waste that is mined and then placed into mine waste storage facilities, and the need to define how tailings and waste rock need to be managed.
  • Anita Parbhakar-Fox research is focussed on mine waste characterisation to improve mine planning and waste management practices where she has worked with mining industry, METS sector and government stakeholders. Anita will facilitate the workshop, drive the discussions with the presenters and the attendees, and enhance the workshop with the work she has undertaken at UTAS and UQ that address the need for the integration of the geometallurgical assessment and the development of mine waste (geoenvironmental) block models into the mine planning space.
  • RGS Environmental will build on the discussion by Anita, Ward and Deswik and present the approaches they use to obtain the geochemical and physical data of everything from the topsoil down to the deepest mined surface that are used as attributes in a landform haulage schedule model like Deswik.LHS. RGS have been documenting our approach to material characterisation in mine material management plans (MMM Plan) for 15 years. The MMM Plans typically include detailed geochemical and physical sampling and analysis programs (GaPSaAP) that provide the information to mining companies to allow implementation of the work, on the ground, in a progressive and clear manner. RGS will provide some examples of how the geochemical characterisation data from the GaPSaAP is used to evaluate the potential impacts of mine planning options; the examples will include several final void and pit lake studies completed in 2018 and 2019.
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