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Federal Energy Regulatory Commission

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Potential Failure Modes (PFMs)

A review of PFMs developed under the FERC’s PFMA process found many to be inadequately developed and described from initiation up through potential breach of the reservoir. Inadequate PFM descriptions do not provide the information necessary to adequately implement a dam safety surveillance and monitoring program or assess the risk at a dam. The PowerPoint shown below titled "Identifying, Describing, and Classifying Potential Failure Modes" along with file titled "Reviewing and Revising the PFMA Report" provide more detail on fully developed PFM’s.