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为确保大坝的安全，加拿大BC水电局正在持续实施大坝的风险评估计划。风险评估是在加拿大风险评估标准的基础上进行的，风险评估过程中引进了失事事件树结构，研究了大坝失事的概率和触发失事事件的概率，指出，后果评估加深了人们对减小风险和控制风险方法的认识及其评估的可靠性。
In order to ensure the safety of the dam, BC Hydro is continuously implementing the dam risk assessment plan. The risk assessment is based on the Canadian risk assessment criteria. During the risk assessment, the structure of the incident calamity tree is introduced to study the probability of the calamity of the calamity and the probability of triggering the calamity incident. It is pointed out that the consequence assessment deepens people ’ And understanding of risk control approaches and the reliability of their assessment.