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Fresh Fuel Shipment: the FCC Concept

Abstract For more than 25 years, Framatome, the foremost world supplier of PWR fuel, has been delivering fuel elements directly or through Fragema, from the factories of its subsidiary FBFC to the various French and foreign sites. Since 1995, the French Safety Authority has undertaken a process of reviewing the concepts of the radioactive material shipping containers, with the purpose of ensuring that their safety files are consistent with the regulations in force. For now the safety analyses on the former packages, known as the RCC type, have shown the limits of this design. Framatome has committed itself to this process by performing a global review of the RCC containers transporting uranium-bearing fresh fuel assemblies, which has led to upgrading of the design of these former containers to an up-to-date model: known as the FCC type. The design of the new FCC container is presented from the mechanical strength and criticality standpoints, together with the regulatory tests which validated the basic hypotheses of the FCC design.