Team of Teams break ground for the Lake Borgne Inner Harbor Navigation Canal Surge Barrier Project
"The IHNC Surge Barrier Project is a significant piece of the Hurricane and Storm Damage Risk Reduction System (HSDRRS)..."
(EMAILWIRE.COM, December 16, 2008 ) NEW ORLEANS –Defense of the Greater New Orleans most vulnerable area from storm surge began Thursday with the groundbreaking of the Inner Harbor Navigation Canal (IHNC) Lake Borgne Surge Barrier Project.
The IHNC Surge Barrier Project is a significant piece of the Hurricane and Storm Damage Risk Reduction System (HSDRRS) because it will block the powerful Gulf of Mexico storm surge from entering the Gulf Intracoastal Waterway (GIWW).
When completed in 2011, the $700 million surge barrier will extend from the Michoud Canal floodwall along the GIWW to the Mississippi River Gulf Outlet (MRGO) levee just south of the Bayou Bienvenue control structure. It will reduce the hurricane and storm surge risk faced by the people in the surrounding communities of St. Bernard, New Orleans East, Ninth Ward, and Gentilly to a 1 percent chance in any given year.
“When we see this surge barrier, we will know that it is a stance we've taken for the betterment of the people in New Orleans,” said Army Corps of Engineers Commander, Lt. Gen. Robert Van Antwerp.
Approximately 200 local residents, political leaders, and Corps officials celebrated the start of the largest design-build, civil-works project in the Corps’ history aboard a Corps inspection barge anchored near the middle of the 2-mile-long project site. “To achieve these project goals, the Corps, the state, our local partners and the local communities must all work together. It’s all about teamwork,” said the Corps’ Task Force Hope Director, Karen-Durham-Aguilera.
Six features make up the IHNC Lake Borgne Surge Barrier Project. The GIWW features include the GIWW north floodwall, the GIWW gates, and the GIWW to Bayou Bienvenue floodwall. The Bayou Bienvenue features include the Bayou Bienvenue gate, and the Bayou Bienvenue to MRGO south floodwall. The final feature of the barrier is the MGRO south floodwall.
The Corps awarded the IHNC Lake Borgne Surge Barrier contract to Shaw Environmental & Infrastructure of New Orleans, LA in April 2008. Shaw has completed nearly 50 percent of the design for the project.
The Corps and Shaw estimate that construction will require approximately 57,000 tons of steel, 2,600 closure piles and 1,300 concrete vertical piles approximately 5 ½ feet in diameter and 144 feet long, each weighing 92 tons. Additionally, 660 steel batter piles 36 inches in diameter will provide support for the structure The initial barrier, standing over 14 feet high will provide advance measures.
Later, 300 deck sections, 17 feet long, 12 wide and 6 feet high, each weighing 96 tons will sit on top of the main surge barrier. The deck sections will bring the height of the barrier to 20 feet above water. Crenels and merlons added to the decks, a feature giving the barrier the appearance similar to the open and closed spaces on battlement fortifications in castles, will bring the total height of the structure to 24 and 26 feet.
The Corps expects to complete the IHNC Lake Borgne Surge Barrier in 2011, with advance measures implemented during hurricane season in 2009 to reduce the flood risk for people in the Greater New Orleans area.
The IHNC Surge Barrier Project is a significant piece of the Hurricane and Storm Damage Risk Reduction System (HSDRRS) because it will block the powerful Gulf of Mexico storm surge from entering the Gulf Intracoastal Waterway (GIWW).
When completed in 2011, the $700 million surge barrier will extend from the Michoud Canal floodwall along the GIWW to the Mississippi River Gulf Outlet (MRGO) levee just south of the Bayou Bienvenue control structure. It will reduce the hurricane and storm surge risk faced by the people in the surrounding communities of St. Bernard, New Orleans East, Ninth Ward, and Gentilly to a 1 percent chance in any given year.
“When we see this surge barrier, we will know that it is a stance we've taken for the betterment of the people in New Orleans,” said Army Corps of Engineers Commander, Lt. Gen. Robert Van Antwerp.
Approximately 200 local residents, political leaders, and Corps officials celebrated the start of the largest design-build, civil-works project in the Corps’ history aboard a Corps inspection barge anchored near the middle of the 2-mile-long project site. “To achieve these project goals, the Corps, the state, our local partners and the local communities must all work together. It’s all about teamwork,” said the Corps’ Task Force Hope Director, Karen-Durham-Aguilera.
Six features make up the IHNC Lake Borgne Surge Barrier Project. The GIWW features include the GIWW north floodwall, the GIWW gates, and the GIWW to Bayou Bienvenue floodwall. The Bayou Bienvenue features include the Bayou Bienvenue gate, and the Bayou Bienvenue to MRGO south floodwall. The final feature of the barrier is the MGRO south floodwall.
The Corps awarded the IHNC Lake Borgne Surge Barrier contract to Shaw Environmental & Infrastructure of New Orleans, LA in April 2008. Shaw has completed nearly 50 percent of the design for the project.
The Corps and Shaw estimate that construction will require approximately 57,000 tons of steel, 2,600 closure piles and 1,300 concrete vertical piles approximately 5 ½ feet in diameter and 144 feet long, each weighing 92 tons. Additionally, 660 steel batter piles 36 inches in diameter will provide support for the structure The initial barrier, standing over 14 feet high will provide advance measures.
Later, 300 deck sections, 17 feet long, 12 wide and 6 feet high, each weighing 96 tons will sit on top of the main surge barrier. The deck sections will bring the height of the barrier to 20 feet above water. Crenels and merlons added to the decks, a feature giving the barrier the appearance similar to the open and closed spaces on battlement fortifications in castles, will bring the total height of the structure to 24 and 26 feet.
The Corps expects to complete the IHNC Lake Borgne Surge Barrier in 2011, with advance measures implemented during hurricane season in 2009 to reduce the flood risk for people in the Greater New Orleans area.
Contact Information:
U.S. Army Corps of Engineers
Randy Cephus
Tel: (504) 862-1708
Email us
This is a press release. Press release distribution and press release services by EmailWire.Com: http://www.emailwire.com/us-press-release-distribution.php.
U.S. Army Corps of Engineers
Randy Cephus
Tel: (504) 862-1708
Email us
This is a press release. Press release distribution and press release services by EmailWire.Com: http://www.emailwire.com/us-press-release-distribution.php.
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