Conclusion
The option with dismantling of radioactive parts immediately after completion of power operation was adopted for the decommissioning of the Lovisa Atomic Power Plant. If the engineering life of the power units is 30 yr, the decommissioning of the first power unit will begin in 2008 and that of the second power unit in 2012. The entire period of decommissioning of the atomic power plant from the time of shutdown of the first power unit until the burial facilities are sealed and license obligations are discharged will last more than 12 yr.
Careful analyses showed that the dismantling of radioactive parts of the power units is possible through the use of methods that have already been developed.
According to estimates and calculations, decommissioning operations for the power units of the atomic power plant will require approximately 3000 man-yr.
Waste from dismantling can be buried safely in facilities built in the bedrock at the plant site. The irradiation doses to the public due to the burial of such waste remain low.
The collective irradiation dose to personnel engaged in dismantling is estimated to be 23 man-Sv.
The costs for decommissioning the power units of the atomic power plant, as calculated from the data compiled, are 800 million Finnish marks.
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Literature Cited
P. Vyalimyaki, The Activity Inventory and a Quantitative Estimate of Waste from the Dismantling of the Lovisa Atomic Power Plant [in Russian], Imatran Voima A/O, Helsinki (1985).
P. Vyalimyaki, Considerations of Radiation Protection During the Decommissioning of the Lovisa Atomic Power Plant [in Russian], diploma project, Otaniemi: Technical Higher Educational Institution (1984).
É. Maier, Working Plan on the Decommissioning of the Lovisa Atomic Power Plant [in Russian], Imatran Voima A/O, Helsinki (1987).
T. Vieno, Kh. Nurdman, K. Rasilainen, and V. Suolanen, Safety Analysis of the Burial of Waste from the Decommissioning of the Lovisa Atomic Power Plant [in Russian], Report YJT-87-12 (1987).
Additional information
Translated from Atomnaya Énergiya, Vol. 67, No. 2, pp. 83–88, August, 1989.
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Maier, É. Working plan for decommissioning of the Lovisa Atomic Power Plant. At Energy 67, 580–587 (1989). https://doi.org/10.1007/BF01125252
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DOI: https://doi.org/10.1007/BF01125252