ORE2 tailings conclusions

ORE2 tailings conclusions

Oct 20th, 2021

This series of eight blogposts is a summary of what a standard ORE2_Tailings™ quantitative risk assessment deployment report includes. Indeed, the ultimate goal of the report is Risk-Informed Decision-Making (RIDM) support for the owner and the EoR. As a matter of fact the methodology is compatible with ISO 31000 and of course ICMM GISTM. The ORE2_Tailings™ deployment uses archival documents supplied by the client for each Tailings Storage Facility (TSF) and finally related dams and written Q/A sessions

ORE2 tailings conclusions

The report is an a priori endeavor insofar it delivers to the client estimates that require calibration and adaptation as new data and new events may become available and/or will occur. In particular, the report will require amendments and updates. These will occur when, for example:

  • new Space Observation or
  • other monitoring results,
  • corrective actions reports,
  • new stability analyses,
  • flooding criteria,
  • changes in service conditions,
  • new incidents reports and finally
  • inspections

may become available.

The report delivers nine take-aways as follows:

  1. archival documents gap analysis.
  2. final look on archival deficiencies.
  3. dams causality analysis.
  4. benchmarking with respect to the world-wide tailings dams performance.
  5. decreasing risks ranking.
  6. risks ranking in terms of intolerable part.
  7. risk prioritization of TSFs and dams.
  8. tolerable, intolerable but manageable, hence tactical, and finally intolerable and unmanageable, thus strategic risks discussion and finally
  9. risk informed recommendations for each site and each dam.

ORE2 tailings conclusions

In this series of eight blogposts which started on September 1st, we have described how a ORE2_Tailings™ deployment takes place. Additionally we have shown how ORE2_Tailings™ supports the owner and EoR decision-making. As a matter of fact the results can also be used to foster healthy discussions with regulators and insurers as applicable and needed.

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Category: Consequences, Hazard, Mitigations, ORE2_Tailings, Probabilities, Risk analysis, Risk management

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