At least 50 hazardous occurrences associated with tailings facilities occurred in the Canadian mining industry between 2000‐2014. Further investigation revealed a dearth of information on worker safety around tailings storage and transport facilities. Workers at oil sands tailings operations are exposed to hazardous scenarios, including loss of containment and line of fire. These are the similar scenarios that manifest in traditional process industries, with the notable differences between traditional process industries and tailings operations being the frequency of incidents, pressures, volumes, and temperatures. The presence of hazardous scenarios and lack of incident reviews illustrate the need for increased attention to be paid to worker safety at oil sand tailings operations as well as enhancements to current hazard identification tools. Process safety management tools such as bow tie diagrams can be applied to tailings operations to visually identify unwanted events (process and occupational health and safety related), potential threats, consequences, and controls used to prevent incidents from occurring. They also serve as a tool for continuous improvement and show any over‐reliance on one type of control, such as administrative controls or personal protective equipment. This research combines safety approaches using the bow tie analysis of seven hazardous operational activities in the oil sands tailings operations as a case study. The impact of behavioural safety on the controls is also analyzed. This research facilitated the sharing of tailings safety best practices among oil sands operators and regional contractors.

中文翻译：

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结合安全方法以使危害成为焦点：油砂尾矿案例研究

在2000-2014年之间，加拿大采矿业至少发生了50次与尾矿设施相关的危险事故。进一步调查显示，关于尾矿存储和运输设施周围工人安全的信息匮乏。油砂尾矿作业的工人处于危险环境中，包括密闭性和火线丢失。这些是在传统过程工业中表现出的类似情况，传统过程工业与尾矿操作之间的显着差异是事件的发生频率，压力，体积和温度。危险场景的存在和事件审查的缺乏表明，有必要在油砂尾矿作业中更加重视工人安全，并需要增强当前的危害识别工具。可以将流程安全管理工具（例如领结图）应用于尾矿作业，以直观地识别有害事件（与流程和职业健康与安全相关的事件），潜在威胁，后果以及用于防止事故发生的控制措施。它们还可以作为持续改进的工具，并显示出对一种控制类型的过度依赖，例如行政控制或个人防护设备。这项研究结合了安全方法，并以领结分析的形式对油砂尾矿作业中的七种危险作业活动进行了案例分析。还分析了行为安全对控件的影响。这项研究促进了油砂经营者和区域承包商之间共享尾矿安全最佳实践。