Hurricane preparedness for New Orleans two months later. Hurricane Katrina threatened the city in August 2005. The eye of the huge storm grazed the eastern side of the city, sparing it from the worst of its power. However, due to poorly designed levees and the worst civil engineering failure in United States history, most of the city experienced flooding similar to a direct hit; see: Levee failures in Greater New Orleans, 2005. There were many predictions of hurricane risk in New Orleans before Katrina. On August 26 the storm, at one point up to a Category 5, was in the Gulf with a projection to
Civil engineering and infrastructure repair in New Orleans after Hurricane Katrina New Orleans area was more than 80 percent unwatered. Corps officials estimated the overall unwatering effort, given normal seasonal rainfall, would be completed no later than early October, 2005. Tropical Storm Rita was being closely watched at this point. Additional traffic in the city in the past three days had caused some delay in traveling to work sites and moving emergency repair equipment. By September 21, 2005, the Army Corps of Engineers had begun closing two damaged canals at noon in preparation for storm surges associated with Hurricane Rita. The 17th Street and London Avenue Canals were closed with steel