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Decontamination and Demolition of V1 NPP Buildings and Site Restoration

Project identification: D4.7.01

Project name

Decontamination and Demolition of V1 NPP Buildings and Site Restoration

project status

Realization

Description

The project “Decontamination and Demolition of V1 NPP Buildings and Site Restoration” represents the final V1 NPP decommissioning works with Time for Completion of 60 months. It contains activities of the project preparation, disconnection, dismantling and demolition of contaminated buildings/structures of the V1 NPP main reactor building, as well as the remaining auxiliary facilities and remaining contaminated and non-contaminated V1 NPP building structures, including their decontamination, dismantling and subsequent demolition works followed by the V1 NPP site restoration. The scope of this project includes modifications or complete removal of more than a hundred (100) of the V1 NPP buildings, which will require close coordination of the ongoing activities, with a total quantity of concrete to be demolished at the V1 NPP site of approximately 155,000 m3.

The objective of this project is:

  • Dismantling of remaining technological elements or parts of the systems and equipment not dismantled within the previous V1 NPP decommissioning projects,
  • Performance of radiological survey with subsequent decontamination of contaminated building surfaces and structures,
  • Demolition of all unnecessary buildings (including the underground buildings to the level of -1m, where possible) and backfilling of pits after the demolition of buildings,
  • V1 NPP site clean-up and site restoration,
  • Final survey and release of the V1 NPP from administrative control of the Slovak regulatory authorities,
  • Management of the generated waste.

Implementation of the D4.7.01 subproject will also result in fulfilment of the “specific objectives" of the Bohunice Programme as defined in the Council Regulation (EURATOM) No. 2021/100, Annex II.

The purpose of the D4.7.01 subproject is the release of the V1 NPP site from administrative control of the Slovak regulatory authorities. The Slovak Republic would thus meet the obligation of early shutdown of the V1 NPP pursuant to the Government Decree No. 801/1999 Coll. and the EU Accession Treaty and subsequent necessary steps and procedures with the V1 NPP.

It is possible to divide the scope of the D4.7.01 subproject into these basic activities:

  • Development of documentation related to the project
  • Modifications of systems
  • Dismantling of unnecessary systems
  • Radiological survey and decontamination of building surfaces
  • Demolition of civil buildings
  • Backfilling of the construction pits
  • Site restoration
  • Final survey and release of the V1 NPP site from administrative control of the Slovak regulatory authorities
  • Management of the waste produced on side of the Contractor during the project implementation