Building Strong! IHNC SURGE BARRIER GIWW MRGO

Building Strong! Trestle Construction About 2000’ of trestle allows precision installation of piles and other components

Building Strong! South Heading Soldier Pile Placement – Complete! 1271 piles – Completed October 21, 2009 Weeks 526 Rig 144 Feet Long 66” Diameter, 94 tons

Building Strong! Whirley Tower North Heading Soldier Pile Placement – Complete!

Building Strong! 18” Closure Piles & Jet Grouting 2544 piles – Completed February 11, 2010

Building Strong! 36” Steel Batter Piles- Complete! 645 of 645 piles – Completed as of April 10, 2010

Building Strong! Soldier, Closure, Batter Piles Closure Piles Temporary Trestle Batter Piles Soldier Piles Interstitial Space

Building Strong! Space to be filled 4’ of almost pure grout Excess material is pushed out of hole when closure pile is installed Excess material functioning as armoring and reducing the amount of infill required 6 Foot core sample taken shows good contact between overflow material and injected material Pile tip -45 Grout plume -55 to -85 Closure Pile Soldier Pile Interstitial Space-Complete

Building Strong! 66” Concrete Pile Clean Out- Complete Drill bit removes the mud from inside the pile

Building Strong! Precast Caps 17 Feet Long, 96 Tons 306 of 306 Installed – Complete!

Building Strong! Cast in Place Concrete Section 6 Feet Wide, 339 of 339 Cast – Complete

Building Strong! Expansion Joint 17 of 17 Set Complete!

Building Strong! Parapet Wall Complete Cast in Place

Building Strong! Protected Side of Floodwall

Building Strong! North T Wall Construction Located at the North end of the Floodwall Complete

Building Strong! South T Wall Construction Located at the South End of the Floodwall Complete

Building Strong! Bayou Bienvenue Gate Installed Sill Installing Walls

Building Strong! Barge Gate Complete

Building Strong! Sector Gate Cofferdam under way

Building Strong! Tripping Dauphins 3500’ 5500’

Building Strong! Questions