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Nuclear Safety Cooperation


Maintenance on VVER-1000

  • Closed
TACIS Region
Benefitting Zone
Eastern Europe and Central Asia
€ 1,196,502.04
EU Contribution
Contracted in 1993
Technical Assistance to the Commonwealth of Independent States


Type of activity

Design Safety



Contracting authority

European Commission

Method of Procurement

(FR2007) Restricted Call for Tender - External Actions


23/07/1993 - 23/04/1995





Project / Budget year

WW9103 Energy / 1991


The objective of the project was to establish the management system and instruments to be used by VVER-NPP managers in relation to maintenance activities both in normal operation and in planned outages, with a view to:

  • Improve the execution, the scope and the quality of maintenance;
  • Reduce personnel exposure to radiation;
  • Minimize the risks of accident to personnel;
  • Minimize equipment outage time and duration;
  • Comply with applicable legal and regulatory requirements;
  • Ensure or extend the service life of the different components of an NPP.


Task 1:

  • Revision of maintenance work plan;
  • Translation of relevant Russian documents;
  • Issue of recommendations;
  • Description of optimisation methods;
  • Russian implementation.

Task 2:

  • Selection of 2 pilot components;
  • Drawing up a methodology guide;
  • Design review of components;
  • Definition of feed-back analysis;
  • Presentation of EU-Contractor’s feed-back organization and documentation;
  • Drawing up preventive maintenance basic programme.

Task 3:

  • Establishment of guidelines for maintenance review;
  • Presentation of EU tools used to manage outages;
  • Preliminary review on site (Kalinin NPP);
  • Issue recommendations.

Task 4:

  • Preparing new analysis, diagnostic and testing methods;
  • Review of testing methods and preparation of a visit of Russian specialists to the Contractor’s workshop;
  • Performing demonstrations and presentations at Contractor’s premises;
  • Selection of maintenance tools by the Russian side;
  • Procurement of tools;
  • Transport of tools to Russia;
  • Demonstration on a Russian site.

Followed by R2.08/93N


  1. Progress Report 1st Progress Report 15/01/1994
  2. Progress Report 2nd Progress Report 15/04/1994
  3. Others Project Review Meeting 20/04/1994 Meeting with TPEG
  4. Progress Report 4th Progress Report 15/10/1994
  5. Technical Document Task 1-Recommendations for improvement 15/09/1994
  6. Proposal Extension of 3.5 Maintenance Project 22/02/1995
  7. Progress Report 5th Progress Report 15/01/1995
  8. Technical Document Task 1 recommendations: 13/02/1995 
    Recommendations for the improvement of the maintenance organization
  9. Progress Report 6th Progress Report 15/04/1995
  10. Project Final Report Final Report Volume 1&2 28/07/1995