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Tag: Monolith
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  • October

    Construction workers from contractor Thalle Construction complete the first monolith “top-out” on the Kentucky Lock Addition Project located in Grand Rivers, KY, Oct. 12, 2024. A monolith is a single structure of concrete that is in the shape of a column. There are a total of 50 monoliths that are to be constructed made from five-foot layers of concrete. Each five-foot layer is called a lift. Early Saturday morning, the final concrete lift was completed for a monolith located on the downstream side of the lock being constructed.

    Kentucky Lock Addition Project reaches first monolith top-out milestone

    On Oct. 12, 2024, the U.S. Army Corps of Engineers Nashville District, in partnership with contractor Thalle Construction, marked a major milestone in the Kentucky Lock Addition Project with the first monolith top-out of the project’s Downstream Lock Monolith contract. This accomplishment reflects significant progress in constructing the new lock, which aims to enhance navigation efficiency on the Tennessee River.

  • May

    Shimmick Crane Operator Patrick Harrison lifted the last concrete form from monolith L13 to mark the official completion of the first of 36 monoliths. The U.S. Army Corps of Engineers Nashville District and its contractor, Shimmick, held a topping-off ceremony May 22, 2023, at the Chickamauga Lock Replacement Project on the Tennessee River in Chattanooga, Tennessee. (USACE Photo by Lee Roberts)

    Chickamauga Lock Replacement Project reaches monolithic milestone

    CHATTANOOGA, Tenn. (May 23, 2023) – Construction of a new navigation lock on the Tennessee River reached a monolithic milestone yesterday as crews and officials held a topping-off ceremony to mark the completion of the first concrete monolith.