A complex of decontamination and dismantling work on removing radiation contaminated equipment and special utility lines in the previously mothballed building 53 at VNIINM has been implemented. The 33.1 m long air pathway between building 53 and building B, contaminated by α-emitters to 120 particles/(cm2·min), has been dismantled. Thirty-three pieces of large-size equipment were dismantled. Fifteen pieces of equipment were decontaminated. Special utility lines of the building were completely dismantled: ~140 m special drain lines and ~320 m special ventilation. Approximately 180 m of piping has been decontaminated. Low-waste decontamination procedures made it possible to reduce the amount of radwaste produced during rehabilitation work by more than 1.5 times (to 27 m3). A radiation survey established that the procedure has unlimited application in the enterprise’s business activities taking into consideration the location on the industrial site at VNIINM.
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Translated from Atomnaya Énergiya, Vol. 126, No 3, pp. 167–171, March, 2019.
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Kuznetsov, A.Y., Antsiferova, E.Y., Belousov, S.V. et al. Rehabilitation of Building 53 at VNIINM. At Energy 126, 191–196 (2019). https://doi.org/10.1007/s10512-019-00535-z
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DOI: https://doi.org/10.1007/s10512-019-00535-z