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National Nuclear Found for Decommissioning of Nuclear Installations and for Spent Fuel and Radioactive Waste Management (2012) Strategy of Back-end of Peaceful Use of Nuclear Energy in Slovak Republic. (In Slovak)

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• TITLE: Prediction of External Exposure during Dismantling of Steam Generator

  AUTHORS: Martin Hornáček, Vladimír Nečas

  KEYWORDS: Steam Generator, Dismantling and Fragmentation, External Exposure

  JOURNAL NAME: World Journal of Engineering and Technology, Vol.3 No.3C, October 22, 2015

  ABSTRACT: The decommissioning of nuclear power plants is in the Slovak Republic an actual issue. In 2015 started the second decommissioning stage of nuclear power plant V1 in Jaslovské Bohunice. This stage involves the dismantling and segmentation of activated (reactor pressure vessel, reactor internals) and contaminated parts (steam generators, pressurizer). From this reason it is necessary to investigate the radiation situation in the vicinity of the component to be cut. The presented results show that during remote dismantling the exposure is small (compared with the fragmentation tasks). Moreover, when the pre-dismantling decontamination with decontamination factor of 100 is applied, the total collective effective dose is below the yearly limit of 20 mSv for workers.