U.S. Army Corps of Engineers plan calls for a 12-ft elevation storm surge wall to ring the Charleston Peninsula.

Plans for a multiple lines of defense strategy to protect the Texas Gulf Coast from hurricanes and storm surge moves to Congress for approval with the release of a final feasibility report and final environmental impact statement from the Corps of Engineers and Texas General Land Office that proposes $28.87 billion in coastal protection projects.

After fast growth from Category 2 to Category 4 in two days, storm made landfall near Cameron, La., early on Aug. 27, but earlier predicted "unsurvivable" storm surge was less than anticipated.

In a few weeks, workers will begin to dismantle the temporary pumps and floodgates that have been in place along the New Orleans lakefront since the year after Hurricane Katrina.

Now a tropical depression with heavy rainfall, storm slows to a crawl and builds significant flood risk across Carolinas and SW Virginia; power still out for 450,000 Duke Energy customers.

South Carolina safety experts fan out to assess dams whose failure would pose the most risk to population and evacuation routes

New pumps and gates are part of the project that will complete the city of New Orleans’ $14.6 billion hurricane-defense system.