Mike Arles, quality assurance representative on the Chickamauga Lock Replacement Project checks steel cables that will be post-tensioned to 441-tons pressure connecting three sections of an approach wall beam at Watts Bar Dam, Decatur, Tenn., Jan. 31, 2013. The beams are being assembled and stored at Watts Bar for placement in the Chickamauga Lock Replacement Project when required for construction. (USACE photo by Fred Tucker)