Plant Services

BCP Design Results in Reduction of Contamination

After BCP completes the Incore Flux Thimble Cleaning at a client Seal Table, the final activity is to run a Dummy Detector cable down the full length of the thimble bore, thereby verifying that it is open and free to the Flux Detector Cable insertion. This activity is the one that most leads to contamination […]

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Plant Services

Flux Thimble Repositioning and Expansion

Background Due to vibration of flux thimbles in certain reactor vessels, it becomes necessary to reposition the thimbles as an economical fix. BCP shortens the thimble by withdrawing the thimble from the core and cutting off a 1″ to 3″ length, then re-establishing a new high pressure seal at the seal table. This type of […]

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