Risk Assessment, Decision Making and Management of Mine Waste Facilities

Risk Assessment, Decision Making and Management of Mine Waste Facilities

Nov 13th, 2016

Date(s) - 13/11/2016
All Day

Pinnacle Hotel at the Pier


Brief goal and objectives of the course Risk Assessment, Decision Making and Management of Mine Waste Facilities

This course is for all who have to design, permit, construct, operate, finance, insure, steward and ultimately close a mine tailing
s facility, waste rock dump, or spent heap leach pad. The course describes the use of risk assessment and decision making methods during all phases of the management of a mine waste facility.

Authors and affiliation

Franco Oboni, Riskope, Vancouver, BC, Canada
Cesar Oboni, Riskope, Vancouver, BC, Canada
Jack A. Caldwell, Robertson GeoConsultants, Vancouver, BC, Canada


  • Site selection for a new tailings facility using risk assessment and decision making methods.
  • Design of tailings facilities based on risk management and mitigation considerations.
  • Continuous performance improvement during the operation of a tailings facility.
  • Risk assessment in the conduct of dam safety inspections and reviews.
  • Tailings facility closure scenarios assessment using risk-based approaches.

Case histories spanning some thirty years and spreading from South Africa to Latin America, Canada and Europe will be used through role-playing to illustrate the use of risk analysis and decision making in both informal and formal ways as part of the professional and responsible management of mine tailings facilities.

Innovative methodologies based on sound and best practice risk assessment approaches will also be explained. These offer users:Risk Assessment, Decision Making and Management of Mine Waste Facilities

  • The possibility to perform discrete or real time updates (depending on the applications and the criticalities involved).
  • “Decluttering” the results, reducing the “overwhelming syndrome” often root-cause of inaction.
  • Enhancements in the internal and external communication process, thus supporting the social license to operateand the CSR efforts of the owners/operators.

Attendees will leave the course equipped to select methods, to apply principles, and to make decisions leading to better, safer management of their mine tailings facilities. It is time for miners to embrace Risk Management 2.0 and evolve from the obviously not always successful status quo!


The course is intended for:

  • Mine managers and operators, stewards who need to be sure the mine’s tailings facility, waste rock dump, or spent heap leach pad is safe, cost effective, and in accordance with current good risk management practice.
  • Consultants who design new mine waste disposal facilities, assist in their operation, and plan closure works and who therefore need to be aware of and able to incorporate new and relevant RA & RBDM methods.
  • Civil engineers who undertake dam safety inspections that demand the use of risk assessment methodologies.
  • Regulators who have to review and approve new tailings facilities, expansion of facilities, and ultimately the closure of such facilities.
  • Surface and groundwater hydrologists and specialists faced with management of surface water and seepage from tailings facilities, waste rock dumps, and spent heap leach pads.
  • Environmental scientists who are charged with protection the environment of the site and surrounding region of mine waste disposal facilities.
  • Financial institutions that finance or insure mines and their facilities and who need to be assured that the facilities are risk resilient.

Program outline

Morning session

1. Introduction
2. Risk Assessment Principles & Practice
3. Decision Making Principles & Practice
4. Facility Site Selection using Decision Making

Afternoon session

5. Tailings Facility Failure Modes and Statistics
6. Operational Continuous Improvement
7. Planning & Implementation involving RA & RBDM
8. Post-Closure Facility Risk Assessment Challenges

Items required by participants of the course

None foreseen.


Category: Risk Analysis, Risk Management

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