Tailings

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GHD’s tailings and mine waste specialists combine many years of practical experience with professional skills and innovative technology to develop safe, economical and appropriate solutions. Be it base metal, gold, alumina, ash dams, mineral sands or other mine waste and tailings, GHD has the resources to solve the issues.

Over the past 30 years, GHD has gained a high level of local and international recognition for its cost-effective, practical, and innovative methods used in tailings design and management. GHD is represented on national and international technical committees including Australasian Institute of Mining and Metallurgy (AusIMM), Australian National Committee on Large Dams (ANCOLD) and close links with other organisations such as the Australian Centre for Geomechanics (ACG).

Successful tailings and mine waste management must incorporate many disciplines to produce safe and reliable solutions. GHD provides many of these skills in-house and customises project teams to provide a focused service that meets client needs.

Our services

Planning and approvals

  • Pre-feasibility and feasibility studies
  • Disposal options selection studies
  • Long range disposal planning
  • Approvals advice and liaison with regulators
  • Hazard and risk evaluation

Investigation and design

  • Geotechnical investigations and site selection
  • Slurry handling and processing systems design
  • Tailings storage facilities design
  • Seismic and liquefaction analyses
  • Water management systems design
  • Waste rock dump design and optimization

Procurement and commissioning

  • Contracts, estimating and tendering
  • Project and construction phase services
  • Certification and commissioning services

Operation and maintenance

  • Operation manuals and operator training
  • Tailings discharge management plans
  • Water balance modelling and predictions
  • Annual licensing inspections and certification
  • Performance and integrity monitoring

Environment

  • Environmental studies and reporting
  • Groundwater and seepage assessments
  • Assessment and remediation of acid mine drainage

Closure and rehabilitation

  • Closure and rehabilitation studies and planning
  • Post closure provisioning and management

For further information, contact:
Andrew Massey
Tel: 61 3 6210 0698
Email: David Brett

Eurallumina Alumina Refinery Red Mud Management, Italy

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GHD provided planning, design and construction phase services for the Eurallumina Sa Foxi Red Mud Basin located in Sardinia, Italy.

The Sa Foxi Red Mud Basin is located at Portoscuso, which is adjacent to an industrial area, environmental fish habitat and the Mediterranean Sea. The site is restricted and is sensitive to environmental and community issues.

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Gove Alumina Refinery Red Mud Management, Northern Territory

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GHD has provided specialist engineering services to the Gove Alumina Refinery since 1982. The work has included planning, investigation and management of geotechnical and tailings advice for civil works in the residue disposal area.

This included detailed design and construction supervision of some 250 hectares of tailings storage, including upstream embankment construction, caustic liquor conservation methods, embankment stability, water balance models and design of drainage systems.

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Hazelwood Power Station Ash Thickening

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Hazelwood Power Station, a 2000 MW brown coal power station, produces approximately 350,000 cubic metres of ash per year.

GHD assisted International Power to consider a wide range of future ash management options for the power station, and to construct and commission an ash thickening plant and in-pit thickened ash deposition.

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Masbate Gold Project – Philippines Tailings Storage Facility (TSF) and associated infrastructure

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GHD was appointed by CGA Mining Limited to carry out the detailed design of the Tailings Storage Facility (TSF) and associated infrastructure for the Masbate Gold Project – Philippines.

The Masbate Gold Project comprises four planned open pits, located on a mine site previously developed and operated by Atlas Consolidated Mining and Development Corporation. It is located approximately 7 km south of the town of Aroroy on the northern coast of the island of Masbate (approximately 350 km south of Manila), a province of the Philippines in the Bicol Region.

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Sino Iron Ore Project

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The Sino Iron Project is Australia's first major magnetite project and the second largest project currently under construction in the Pilbara.

Due to its remote location 1200 kilometres north of Perth in Western Australia, the client CITIC Pacific Mining Management Pty Ltd required the development of dedicated infrastructure to support the USD3.5billion greenfields sino iron project.

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Tailings