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Seabrook Floodgate : ウィキペディア英語版 | Seabrook Floodgate
The Inner Harbor Navigation Canal (IHNC) Seabrook Floodgate Structure is a flood barrier in the Industrial Canal in New Orleans, Louisiana. The floodgate is designed to protect the Industrial Canal and the surrounding areas from a storm surge from Lake Ponchartrain. It consists of two 50 ft wide vertical lift gates and a 95 ft wide sector gate. The building of the floodgate was authorized by Congress in 2006 and will operate in tandem with the Lake Borgne Surge Reduction Barrier to reduce the risk of storm surge damage to some of the New Orleans region's most vulnerable areas – New Orleans East, metro New Orleans, the Ninth Ward, Gentilly, and St. Bernard Parish.〔("Seabrook Project Video" ), ''NOLA.com'', September 27, 2010.〕 ==Design== The Seabrook Floodgate Structure will consist of a sector gate and two vertical lift gates approximately south of the Senator Ted Hickey Bridge with flood wall tie-ins on the east and west sides.〔("New Storm-Surge Sector and Lift-Gate Plans To Be Aired" ), ''Engineering News-Record Website'', January 2, 2009.〕 Other components of the Seabrook Floodgate project include building T-wall and replacing the existing Alabama Great Southern Railroad gate with a new taller gate that meet the 100 year level of risk reduction the Corps strives to achieve by 2011; constructing new T-walls that will tie the into a new vehicle gate being built at the boat launch on Leon C. Simon Drive; and raising the Hayne Boulevard ramps on both the east and west sides of the canal.〔("IHNC Fact Sheet" ), ''US Army Corps of Engineers Website'', September 27, 2010. '' <--Broken link, November 2015.''〕 When complete, the Seabrook structure will close the only remaining gap on the East Bank of the Hurricane and Storm Damage Risk Reduction System.
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