Closure & Rehabilitation

ATC Williams provides lifecycle closure, rehabilitation and advisory services for tailings, water and mine waste storage facilities, and landfill facilities.

We deliver mine waste storage facilities that are safe, non-polluting, and aligned with post-mining land use.

— Our Expertise

Our expertise in mine waste storage facilities, rehabilitation and water management complements our clients’ facility closure compliance and social responsibility objectives.

With an extensive knowledge of tailings and mine waste, surface and groundwater management practices, and governance challenges, we are positioned to support our clients in transitioning from operations to closure.

Our Integrated Facility Closure considers:

  • Entire Life of Asset
  • Cost-Effective Lifecycle Solutions
  • Sustainable Outcomes

— INTEGRATED LIFECYCLE CAPABILITIES

Integrated Closure Solutions for Tailings, Water and Mine Waste Storage Facilities.

  • Facility Closure is an integral part of our tailings management, water management and mine waste management services, whereby end-of-life decommissioning, closure are rehabilitation are part of the overall design project.
  • Our ground engineering and material characterisation expertise contributes to the creation of practical solutions that maximise the use of local construction material resources and optimise integration into any related site activity to reduce closure liabilities through the lifecycle.

— Mine Closure Lifecycle Solutions

STRATEGY SELECTION

  • Options definition and appraisal
  • Governance and Risk Management, identification and assessment of risks from landforms with problematic waste
  • Closure plan development aligned with global governance practices and local legislative requirements

TECHNICAL ASSESSMENTS

  • Site characterisation, geotechnical and geochemical characterisation of tailings, waste rock and rehabilitation materials
  • Optimised options based on numerical modelling of slope stability, erosion, water and contaminant flux through containment structures

DETAILED LANDFORM GEOMATIC DESIGN

  • Cover and containment systems
  • Geomorphic landform design
  • Erosion and landform evolution modelling
  • Constructability assessment and solutions for soft tailings
  • Hydrology and Hydrogeology

CLOSURE IMPLEMENTATION

  • Detailed construction specification
  • Quality control and quality assurance management
  • Landform performance monitoring

ADVISORY SERVICES

  • Independent Technical Review
  • Regulatory Compliance
  • Governance & Assurance
  • Management Frameworks

— Partnership Focused

Our multi-disciplined, integrated approach produces safe, stable, non-polluting landforms. Stakeholder collaboration, governance and sustainable management of the environment guide our solutions.

We partner with our clients to understand specific needs for facility closure and to achieve effective outcomes, drawing on the range of technical skills and experience available to the business.

— MORE INFORMATION

 Please explore our Closure and Rehabilitation Capability Page to learn more.

— Let's Talk

Technical Community Lead:

Technical Community Team:

— Projects

Discover our extensive facility closure solutions for mining, resources and government projects around the world.

CLIENT
Rio Tinto
LOCATION
Northern Queensland
A detailed design for the decommissioning of two Tailings Storage Facilities no longer operational (estimated combined area of 150ha) at the Rio Tinto East Weipa bauxite mining operations located in northern Queensland.
Closure and Rehabilitation, Tailings Management
Australia/New Zealand
CLIENT
Toowoomba Regional Council
LOCATION
Queensland
Toowoomba Regional Council (TRC) were faced with the challenge of meeting regulatory and community expectations regarding the closure and rehabilitation of 28 closed landfill sites as well as rationalising fill-planning for the remaining nine regional operational sites.
Closure and Rehabilitation, Waste & Resource Recovery
Australia/New Zealand

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