27 April 2010 – A Westinghouse-led consortium has been awarded a contract to dismantle the reactor vessel of Chooz A, the first pressurized water reactor (PWR) to be decommissioned in France.
The contract, awarded by Electricité de France (EDF) decommissioning arm EDF-CIDEN to a consortium led by Westinghouse, is expected to take six and a half years to complete. Westinghouse is partnered in the consortium by Nuvia France, and will also provide resources from its Swedish, Belgian and French locations.
Westinghouse will undertake overall project management, segmentation of the reactor vessel itself and of reactor vessel internals, reactor nozzle cutting, dismantling of the reactor vessel’s thermal insulation, while using ALARA (As Low As Reasonably Achievable) principles to ensure acceptable radiation doses to personnel and providing a complementary water filtration system to maintain water clarity during the segmentation work.
Chooz A was a prototype PWR and supplied electricity to the French grid from 1967 to 1991.