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The primary mechanisms of failure at the 17th Street Canal, London Avenue Canal and Industrial Canal (east side north) were improper design of the canal floodwalls. [25] The failure mechanism for the Industrial Canal (east side south and west side) was overtopping of levees and floodwalls by the storm surge.
A woman walks her dog along the levee beside the flood wall on the Metairie side of the canal, November 11, 2005. In the background to the right, ongoing repairs in the breach on the New Orleans side can be seen. The 17th Street Canal is the largest and most important drainage canal in the city of New Orleans.
The breach at the 17th Street Canal Levee, a levee-floodwall combination, was found to be about 300 feet (100 m) long. The Corps began operating on an initial hypothesis that the force of the water overtopped the floodwall and scoured the structure from behind and then moved the levee wall horizontally about 20 feet (6.1 m).
The levee failure contributed to extensive flooding in the New Orleans area and surrounding parishes. About 80% of all structures in Orleans Parish sustained water damage. Over 204,000 homes were damaged or destroyed, and more than 800,000 citizens displaced—the greatest displacement in the United States since the Dust Bowl of the 1930s. [1]
An article in the New Orleans Times-Picayune on 30 November 2005 reported that studies showed the 17th Street Canal levee was "destined to fail" as a result of fundamental design mistakes by the United States Army Corps of Engineers. [6]
Future engineers need a greater understanding of past failures — and how to avoid repeating them — a Louisiana-based nonprofit said to mark Tuesday's 18th anniversary of the deadly ...
The community group, American River Trees, is specifically concerned about a portion of the levee upgrade project by the U.S. Army Corps of Engineers known as the “Contract 3B site,” where ...
The 17th Street Canal is the largest and most important drainage canal and is capable of conveying more water than the Orleans Avenue and London Avenue Canals combined. [1] The 17th Street Canal extends 13,500 feet (4,100 m) north from Pump Station 6 to Lake Pontchartrain along the boundary of Orleans and Jefferson parishes. The Orleans Avenue ...