Performance Evaluation of the New Orleans and Southeast Louisiana Hurricane Protection System: Draft Final Report of the Interagency Performance Evaluation Task Force, Volume VIII - Engineering and Operational Risk and Reliability Analysis   [open pdf - 2MB]

"The mission of the Interagency Performance Evaluation Task Force (IPET) risk and reliability analysis was to examine the risks to life and property posed by the New Orleans hurricane protection system (HPS) that was in place prior to Katrina and by the system as it is expected to exist at the start of the next hurricane season (1 June 2006). The purpose of the analysis was to identify areas of the HPS that are relatively more vulnerable to flooding than others, and to identify the sources of that vulnerability. The studies also provide estimates of the frequency of flooding within each drainage basin. By examining the pre- and post-Katrina risks, the effectiveness of the repairs and improvements made to the HPS since Katrina can be evaluated. The risk analysis considered the expected performance of the various elements of the system and the consequences associated with that performance. This report outlines the procedures and methodologies used in the risk studies."

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