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<p>The Risk Informed Decision Making (RIDM) working group is a group of industry professionals formed under the joint initiative undertaken by United States Society of Dams (USSD) Tailings Dam Safety Committee and Canadian Dam Association (CDA) Mining Dam Committee (MDC). The working group was organized to develop guidelines on implementation of a RIDM process relating to the design of mining water dams and Tailings Storage Facilities (TSF). Since its formation in 2022, the group has completed a literature review of more than one hundred (100) cross-industry publications on applications of RIDM in mining water dams and TSFs, and has held two industry workshops in Niagara Falls, Ontario in 2024 (Workshop 1) and Saskatoon, Saskatchewan in 2025 (Workshop 2) to capture industry input relating to the understanding and application of RIDM. The working group has subsequently formulated a process that constitutes good industry practice as it relates to the application of RIDM in mining dams and TSFs.</p><p>The authors, through their engagement and leadership in the working group and facilitating the two industry workshops in 2024 and 2025, are of the opinion that the successful application process of RIDM across Canada and United States (U.S.) is still not clear to some industry practitioners. Observations suggest there is confusion over terminology, good versus poor RIDM, and in some cases reluctance to use RIDM terminology.</p><p>This paper addresses critical knowledge gaps identified in the RIDM implementation for mining water dams and TSFs through three years of stakeholder engagement. It provides clarity of the process via a joint position statement and implementation roadmap, resolves terminology confusion, and documents contradicting industry opinions to promote adoption of good RIDM practices in Canada, U.S. and beyond.</p>

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Overview of the Process on Risk Informed Decision Making in Mining Dams / Tailings Storage Facilities- Practice Gaps in North America, Position Statement and Case Study

  • 期刊论文

  • 发表日期：

    2026年3月20日

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  • Chaitan S. Sandhu,
  • Alistair James,
  • Andy Small,
  • James Alcorn

摘要

The Risk Informed Decision Making (RIDM) working group is a group of industry professionals formed under the joint initiative undertaken by United States Society of Dams (USSD) Tailings Dam Safety Committee and Canadian Dam Association (CDA) Mining Dam Committee (MDC). The working group was organized to develop guidelines on implementation of a RIDM process relating to the design of mining water dams and Tailings Storage Facilities (TSF). Since its formation in 2022, the group has completed a literature review of more than one hundred (100) cross-industry publications on applications of RIDM in mining water dams and TSFs, and has held two industry workshops in Niagara Falls, Ontario in 2024 (Workshop 1) and Saskatoon, Saskatchewan in 2025 (Workshop 2) to capture industry input relating to the understanding and application of RIDM. The working group has subsequently formulated a process that constitutes good industry practice as it relates to the application of RIDM in mining dams and TSFs.

The authors, through their engagement and leadership in the working group and facilitating the two industry workshops in 2024 and 2025, are of the opinion that the successful application process of RIDM across Canada and United States (U.S.) is still not clear to some industry practitioners. Observations suggest there is confusion over terminology, good versus poor RIDM, and in some cases reluctance to use RIDM terminology.

This paper addresses critical knowledge gaps identified in the RIDM implementation for mining water dams and TSFs through three years of stakeholder engagement. It provides clarity of the process via a joint position statement and implementation roadmap, resolves terminology confusion, and documents contradicting industry opinions to promote adoption of good RIDM practices in Canada, U.S. and beyond.