While Hurricane Katrina fades into the country’s memory, its aftermath is a daily reality for the Sewerage and Water Board of New Orleans (SWBNO).The board is working with the Federal Emergency Management Agency (FEMA) on proposals for a major main replacement plan, while an army of repair crews work to isolate and eliminate leaks. Among their diagnostic tools is an acoustic technology that helps assess pipe degradation and locate leaks with precision.Ongoing assessments by SWBNO staff indicate that the current condition of the mains is directly related to the flooding caused by Katrina, which struck in August 2005. “When the
