work was estimated to remain. The existing lock is expected to become unsafe for continued use some time before 2023. In October 2004 TVA installed a new warning system to alert individuals downstream when the dam is releasing water. The warning measures include strobe lights, signs and alarm horns. TVA conducts periodic maintenance on Chickamauga Dam using sawcut expansion holes, a type of expansion joint used in concrete construction. In 2010, engineering contractor S&ME used a Geoprobe drill to open and repair the expansion holes and cut new joints. Recreation The Riverpark Area at the Chickamauga Dam has a boat ramp, fishing piers, day-use areas, restrooms, shelter rentals, and walking and biking trails. On the shoals, below the dam, fisherman use conventional and fly tackle to fish for striped bass, large mouth bass, small mouth bass. See also Hales Bar Dam Dams and reservoirs of the Tennessee River List of crossings of the Tennessee River National Register of Historic Places listings in Hamilton County, Tennessee References External links TVA: Chickamauga Reservoir Hydroelectric plants in Tennessee Dams on the Tennessee River Dams in Tennessee Hydroelectric power plants in Tennessee Tennessee Valley Authority dams Buildings and structures in Chattanooga, Tennessee Dams completed in 1940 Energy infrastructure completed in 1940 Historic districts in Tennessee National Register of Historic Places in Hamilton County, Tennessee Dams on the National Register of Historic Places in Tennessee 1940 establishments in Tennessee