NEW ORLEANS - Damages allegedly caused by the Plaquemines Parish Government's failure to properly maintain hurricane protection levees is not a risk covered by an excess marine insurance policy, a Louisiana appeals panel found Feb. 20, affirming a lower court in a Hurricane Katrina coverage dispute (Melvin Burmaster, et al. v. Plaquemines Parish Government, et al., No. 2012-CA-1091, La. App., 4th Cir.; 2013 La. App. LEXIS 267).