Underwater Construction Corporation (UCC) successfully completed another Traveling Water Screen (TWS) project at a Southeast Nuclear Power Plant. UCC performed the removal and replacement of the six original TWS’s that were installed in the 1970’s. After removal the pits were cleaned and the old grout removed from under the screens. [...]
An underwater inspection was performed determining that a sill plate was deteriorated beyond repair and then confirmed by engineering review. Using hydraulic underwater cutting equipment the old sill plate and concrete was carefully removed. Concrete forms were fabricated and installed underwater allowing UCC to place new concrete. Installation consisted of [...]
Underwater inspections determined that 19 of 24 spillway block sections were subjected to years of erosion. UCC provided skilled divers and specialized underwater tooling to remove the damaged concrete. The substandard rebar was removed using an exothermic cutting torch and new rebar matting was installed as required by engineering specification. [...]
