Safronova Natalia N. Ph.D. Association of Organizations of the Construction Complex of the Nuclear Industry safronovann@accni.ruMain Provisions of the Block Concept of Decommissioning of NPP Buildings and Facilities 12/16/2023 2023 - #04 Decommissioning Engovatov I.A. Ivanova A.I. Kovalenko Zh.A. Volkov V.G. Safronova N.N.