Repair Aids to Navigation Eastern Maine

Six aids to navigation (ATON) structures are in need of replacement. Drunkard ledge Day Beacon (DBN) is currently listing at an approximately 20-degree angle. Drunkard ledge is a monopile structure located in an open and exposed ocean environment. The structure will be demolished and removed. Clark Ledge DBN3 is a spindle structure located on a small island with complete expose to surrounding marine environment. The DBN's foundation is spalling and in need of replacement. Emms Rock light 9 is a 2'x2' tower mounted on a foundation comprised of concrete blocks. tower and climbing ladder are severely corroded and need replacement. Merry Island Dbn15 is a monopile structure with now climbing ladder hindering the servicing unit to perform maintenance. Guptil Ledge is a spindle structure that has been deemed unsafe. Porterfield DBN needs to be repaired.