krogragg

Category: lock and dam

  • Corps lowers Dardanelle pool to repair damaged lock gate

    Corps lowers Dardanelle pool to repair damaged lock gate The Little Rock (Ark.) Engineer District has begun lowering the Dardanelle pool on the McClellan-Kerr Arkansas River Navigation System (MKARNS) to elevation 336 feet to support repairs to a damaged miter gate at Dardanelle Lock and Dam. The drawdown began November 26 and will take about…

  • Massive wall beams moved to Chickamauga Lock

    Massive wall beams moved to Chickamauga Lock After more than a decade in storage, 120-foot-long concrete wall beams—each weighing more than 463 tons—are finally on the move. On Friday, August 29, the Nashville Engineer District began transporting the first of 12 upstream approach wall beams by barge from Watts Bar Dam to the Chickamauga Lock…

  • Chickamauga Lock approach wall receives second nose pier delivery

    Chickamauga Lock approach wall receives second nose pier delivery Progress continues at the Chickamauga Lock Replacement Project near Chattanooga, Tenn., as the Nashville Engineer District marks a major milestone in the upstream approach walls contract. Yesterday, the district announced that crews successfully delivered the second nose pier—a towering concrete structure essential to guiding vessels safely…