UPDATED: Amendment to reflect extension of completion date: TVA is conducting repairs on transmission towers at Tennessee River mile marker 411 July 6-14, 2022. All river traffic must be completely stopped during daylight hours only. There are three boats in the water at Tennessee River miles 410 and 412 to warn boaters to keep out. Two boats have white/yellow flashing lights and one boat has blue flashing lights with TVA police onboard. All three vessels are monitoring channels 13 and 16. Call signs for these vessels are TVA Safety Boat and TVA Police Boat. For more info, call Shane Carman, manager of River Services and CCP Facility Management, via cell at 662-279-9991.