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HomeBest HostingThe Army Corps of Engineers completes post-Katrina protection in Louisiana

The Army Corps of Engineers completes post-Katrina protection in Louisiana

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Seventeen years after Hurricane Katrina flooded New Orleans, the Army Corps of Engineers completed an extensive system of gates, reinforced dams and other protections.

The 130-mile (210-kilometer) ring is designed to withstand storm surges of about 30 feet (9 meters) around New Orleans and the suburbs of three parishes.

It is “the largest civil works project in the history of the Corps and is the result of nearly two decades of hard work and collaboration at the local, state and federal levels,” Gov. John Bel Edwards said Friday during a symbolic transfer to the state. . “The people of New Orleans have faced the worst that Mother Nature has to offer, and once the system is complete, they will be protected by the best engineering, design and hurricane protection.”

The Atlantic hurricane season begins on June 1, and federal meteorologists predict it will be busy.

Congress has provided $ 14.5 billion for what is officially called the Hurricane and Storm Risk Reduction System and related projects. It includes two features that the Corps describes as the largest in the world: a pumping station and a 2.9-kilometer barrier that can be closed against storm surges.

Louisiana will pay $ 1.1 billion, the governor’s office said in an email on Friday. He didn’t say if that included interest.

Dams withstood Hurricane Ida in 2021, although some suburbs outside the system were flooded.

Until 2011, the system could protect against a storm with a 1% chance of occurring in a given year, according to the Corps.

Features added since then include shield dams to prevent erosion and cleaning when stronger storm surges rise above their peaks and three permanent canal closures and pumps.

“We know that we will eventually face an increase of more than 1%, so we designed HSDRRS to be overtaken,” said Colonel Stephen Murphy, commander of the New Orleans District Corps, in a statement. the press. “With all the shields in place, this system is entering the strongest hurricane season of 2022 ever.”

The state has been taking control of the system for years as components have been built, The Times-Picayune / The New Orleans Advocate noted.

He said maintenance and operating costs are expected to be about $ 25 million a year for the Southeast Louisiana Flood Protection Authority and about $ 7.8 million a year for its counterpart on west bank.

Copyright 2022 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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