UCC completes nuclear diving project at legacy Sellafield pond

April 13, 2023, 12:02PMRadwaste Solutions

In December 2022, UCC UK became the first nuclear diving company in more than 60 years to enter Sellafield’s PFSP. (Photo: Sellafield Ltd.)

Underwater Construction Corporation (UCC) UK Ltd. announced that it has recently completed a nuclear diving pilot project at the Pile Fuel Storage Pond (PFSP) at the Sellafield nuclear site in Cumbria, England. UCC UK said the project marks a significant decommissioning milestone for Sellafield, demonstrating the capability of the company’s methods and equipment to remediate the legacy nuclear pond while limiting worker dose.

The oldest pool on the Sellafield site, the PFSP was constructed between the late 1940s and early 1950s as a storage and cooling facility for irradiated fuel and isotopes from the two Windscale reactors and was in full operation until 1962. Then through the mid-1970s, the pond facility, one of six on the site, was used for storage of intermediate-level waste and fuel from the U.K. nuclear program.

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