Seminar on Cold Regions: Cover Systems and Mine Closure

April 7-9, 2014 | Fairmont Chateau Whistler, Canada

Organized by InfoMine
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About the Seminar

81 delegates from USA and Canada attended the Cold Covers 2014 event!

Who Should Attend

The target audience for the Seminar includes project managers and cover system design practitioners associated with closure and reclamation of mine sites in cold regions. Other groups, such as regulatory agencies, Aboriginal peoples, and non-governmental organizations (NGOs), will benefit from the seminar.

Themes

Day 1 – Theory and Design

Session 1: Requirements for closure in cold climates

  • Issues and special conditions – permafrost, remote, short construction season, materials, logistics, etc.
  • Regulatory requirements
  • First Nations and traditional knowledge
  • Time frame for design and assessment
  • Climatic change (precipitation patterns change)

Session 2: Closure design

  • Setting cover design objectives
  • Linking of cover design objectives to overall site closure objectives (e.g. cost benefit of cheap terrestrial cover versus expensive very low infiltration cover)
  • Climatic effects and modeling
  • Landforms and land use
  • Surface water run-off and floods
  • Erosion, sedimentation and water quality
  • Geochemistry

Session 3:  Cover and form design for cold climates

  • Materials including geosynthetics
  • Layers/use of filter criteria
  • Disruption due to frost action
  • Infiltration
  • Erosion/vegetation/rock cover
  • Access / trafficability / constructability / QA during construction
  • Risk assessment (climate change, vegetation impacts)
  • Critical needs for test covers during operations

Session 4: Papers on design (analysis and case studies) – call for papers

Day 2 – Applications and Experience

Session 5: Cover and landform performance for cold climates

  • Application to dumps
  • Application to tailings dams

Session 6: Operation and maintenance

  • Surface water management structures – ice management
  • Water treatment options and requirements
  • Construction requirements and constraints
  • Costing of closure measures and maintenance

Session 7: Post-closure care

  • Long-term risk assessment
  • Criteria for certification and custodial transfer
  • Funding provisions
  • NOAMI workshop summary

Session 8: Papers on case studies, construction, operation and risk assessment – call for papers

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