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The human factor in licensing and operating the next generation of nuclear plants
As human factors specialists working at the intersection of human performance and nuclear operations, we are witnessing one of the nuclear sector’s most significant transitions in decades. The emergence of small modular reactors, microreactors, and other advanced designs is reshaping the industry’s landscape. Digital instrumentation and controls, passive safety systems, and increased automation are creating opportunities for greater safety margins and more flexible operation. These same features also fundamentally redefine what it means to “operate” a nuclear plant. Interactions among human roles, automation, and passive systems shape how people maintain awareness, exercise judgment, and intervene when necessary. These developments affect both operational realities and the regulatory foundations on which nuclear safety is built.
Bernd Richter
Nuclear Technology | Volume 121 | Number 2 | February 1998 | Pages 162-167
Technical Paper | German Direct Disposal Project | doi.org/10.13182/NT98-A2828
Articles are hosted by Taylor and Francis Online.
One of the two German spent-fuel management options envisages the direct (i.e., no reprocessing) final disposal of spent-fuel assemblies from nuclear reactors in a geological repository. The reference repository will be located in a salt dome. The spent fuel will become inaccessible immediately after its emplacement in drifts, and this rules out a retrieval of the nuclear material from the repository. The Nuclear Non-Proliferation Treaty requires compliance verification by inspection regimes. A safeguards approach has been developed for the German reference disposal concept, which would be applicable today and which would meet the requirements of the International Atomic Energy Agency as well as the recommendations of the 1995 Consultants Meeting on Safeguards for Geological Repositories. It foresees cask verification in the aboveground area (material balance area I) and design information verification in the aboveground and belowground (material balance area II) areas of the repository. Safeguards have to continue even after closure and decommissioning of the repository mine.