U.S. Bureau of Reclamation Use of Risk Analysis

by Neil F. Parrett, Bur of Reclamation Engineering &, Research Cent, Denver, CO, USA,

Document Type: Proceeding Paper

Part of: Risk-Based Decision Making in Water Resources


The United States Bureau of Reclamation (USBR) has been using risk analysis techniques in assessments for management decisions. Before presenting USBR practice and experience, the paper focuses on experienced causes for dam failures. While risk analysis associated with large remote-occurring floods is discussed, actual failures of modern major dams have resulted from causes other than floods, usually 'piping,' and these usually result due to conditions not detected by designers before the failure.

Subject Headings: Risk management | Bureau of Reclamation | Water resources | Resource management | Dam failures | Hydraulic design | Accidents | Safety | United States

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