Izvestiya vuzov. Yadernaya Energetika

The peer-reviewed scientific and technology journal. ISSN: 0204-3327

Ensuring Radiation Safety during Temporary Storage of Solidified Radioactive Wastes in Light Hangar-Type Facilities

6/15/2021 2021 - #02 Global safety, reliability and diagnostics of nuclear power installations

Rosnovsky S.V. Povarov V.P.

DOI: https://doi.org/10.26583/npe.2021.2.09

UDC: 621.039.74

To ensure safe temporary storage of solidified radioactive waste at NPP sites, expensive capital storage facilities with massive engineering structures are traditionally used. This approach is determined by the need to comply with regulatory requirements for limiting the gamma background in the area adjacent to the storage facility.

However, using light hangar-type storage facilities, it is possible to optimize the costs of temporary storage of solidified radioactive wastes. At the same time, the safety of storage, including the radiation protection of the personnel, the public and the environment, is undoubtedly ensured through the use of special organizational and technical solutions.

The Novovoronezh NPP, a branch of Rosenergoatom Concern JSC, successfully operates light hangar-type storage facilities for temporary storage of solidified radioactive wastes classified as medium-level wastes in accordance with OSPORB-992009. During operation, a methodology and method for conditioning and temporary storage of solidified radioactive wastes were developed to ensure the transfer of radioactive wastes to final disposal without additional technological operations and unreasonable costs.

A methodology has been developed for assessing the radiation situation around storage facilities during temporary storage of radioactive wastes as well as a software package for predicting the radiation situation when it is necessary to make a decision on the layout of the storage peripheral rows


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radioactive wastes temporary storage hangar-type storage radiation package optimization of radiation protection