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Louisiana contractors, federal and state officials and public and private infrastructure owners are assessing all damage from one of the worst storms to hit the state.
In your story on the Permanent Canal Closures and Pumps project in New
Orleans (ENR 5/9 p. 24), with regard to the severity of Hurricane Katrina’s storm surge in Lake Pontchartrain, wave heights were typically similar to those assumed for the design of the structures (IPET, vol. 1, p. 2).
On Aug. 29, 2005, Hurricane Katrina winds pushed water from Lake Pontchartrain into New Orleans’ three major drainage canals, putting pressure on floodwalls-topped levees that failed to withstand the load of the water.