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One year of AREVA NP Maintenance Services in Kozloduy Units 5 + 6 Bulatom One year of AREVA NP Maintenance Services in Kozloduy Units 5 + 6 Bulatom 2009 Christophe Schultz AREVA NP Gmb. H Services AREVA NP Gmb. H • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 All rights are reserved, see liability notice.

Kozloduy Units 5+6 } WWER-1000/W 320 w 953 MWel w Commissioning 1988 and 1993 Kozloduy Units 5+6 } WWER-1000/W 320 w 953 MWel w Commissioning 1988 and 1993 w Modernization of I&C and Electrical systems 1998 till 2007 • • Consortium of AREVA and Siemens Security related measures Availability related measures Diagnostic Systems w Security Systems 3 x 100% meshed w UPS 3 triple-stranded, meshed w NPP Staff end of 2007: 4654 AREVA NP Gmb. H • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 All rights are reserved, see liability notice.

Overview of Modernized I&C Systems AREVA NP Gmb. H • Bulatom 2009 • Maintenance Overview of Modernized I&C Systems AREVA NP Gmb. H • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 All rights are reserved, see liability notice.

Maintenance Services contract } } AREVA Maintenance Contract resulted from Experiences of business relations Maintenance Services contract } } AREVA Maintenance Contract resulted from Experiences of business relations between KNPP and AREVA during modernization Phase } } AREVA NP Maintenance Services for Systems and Equipment of Electrical and I&C Equipment supplied and installed by AREVA NP und Siemens Signing of the contract 30. 04. 2008 Contract duration 36 months Preferred Subsupplier: Alfa-Enemona OOD Contractual Subsuppliers: ABB, Gutor, Siemens EOOD AREVA NP Gmb. H • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 All rights are reserved, see liability notice.

Contractual concept Preferred subsupplier AREVA NP Alfa-Enemona Kozloduy, BG Kozloduy NPP Erlangen, DE Contractual Contractual concept Preferred subsupplier AREVA NP Alfa-Enemona Kozloduy, BG Kozloduy NPP Erlangen, DE Contractual subsupplier ABB AREVA NP Maintenance contract Kozloduy, BG Contractual subsupplier Gutor AREVA NP Gmb. H • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 Siemens All rights are reserved, see liability notice.

Contractual Scope of Supply Field Contractual AREVA Scope of Supply I&C 1. 1 KÜS Contractual Scope of Supply Field Contractual AREVA Scope of Supply I&C 1. 1 KÜS I&C 1. 2 FLÜS I&C 1. 3 FAMOS I&C 1. 4 H 2 -Measurement I&C 1. 5 Reactor Coolant Level I&C 1. 6 Seismic Control and Monitoring System I&C 1. 7 Automated System TXP I&C 1. 8 Automated System for COP TXS Electrical 2. 1 Uninterrupted Power Supply Cat. I Electrical 2. 2 Uninterrupted Power Supply Cat. II Electrical /Mecanical 2. 3 Unit Diesel Generator Electrical 2. 4 Recording System SIMEAS R Electrical 2. 5 Excitation System Thyripol-D Electrical 2. 6 RF Monitoring System Electrical 2. 7 ASO System of the 6 k. V switchgear Electrical 2. 9 6 k. V Switchgear NXAIR-P Electrical 2. 10 Generator Breaker HEC-7 Electrical 2. 11 Fire detection and automatic fire extinguishing system Electrical AREVA NP 2. 8 Digital Electrical Protections 3. 1 Open Switchyard and Bank Pump Station AREVA NP Gmb. H • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 All rights are reserved, see liability notice.

Project Organisation and Interfaces } Communication Channels go between Project Managers and via Local Project Organisation and Interfaces } Communication Channels go between Project Managers and via Local Office Kozloduy Local Office Site Manager Leading Engineer AREVA NP Gmb. H • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 All rights are reserved, see liability notice.

General } After contract signature on 30. 04. 2008 KNPP and AREVA had to General } After contract signature on 30. 04. 2008 KNPP and AREVA had to quickly start preparation activities for the outage of I&C and Electrical equipment } Outage Unit 5 from 06. 2008 till 18. 07. 2008 – 43 days (AREVA work started on 17. 06. 2008) both parties successfully developed the basis of their cooperation } Outage Unit 6 from 22. 08. 2008 till 04. 10. 2008 – 44 days AREVA teams performed an even larger Scope of activities During Summer 2008, the cooperation of KNPP and AREVA showed continuous improvement AREVA NP Gmb. H • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 All rights are reserved, see liability notice.

Milestones of Maintenance Contract in 2008 30. 04. Contract signature 16. 12. Steering Committee Milestones of Maintenance Contract in 2008 30. 04. Contract signature 16. 12. Steering Committee Meeting 20. 05. Internal KOM 26. 05 06. AREVA NP June July 15. 12. 04. 10. 22. 08. Outage unit 5 Plant Walk Down May 18. 07. Feedback Workshop Outage unit 6 August AREVA NP Gmb. H • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 Sept. October Nov. All rights are reserved, see liability notice. Dec.

Total manpower during the outages 2008 Unit 5 Unit 6 25 Persons Permanent personnel Total manpower during the outages 2008 Unit 5 Unit 6 25 Persons Permanent personnel CW 22 23 24 June AREVA NP 25 26 27 28 29 July AREVA NP Gmb. H • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 35 August 36 37 38 39 40 September 41 Oct. All rights are reserved, see liability notice.

Documentation with WIS (1/2) Input System Documentation Originals, Protocols Accounting Planning Data Reporting Controlling Documentation with WIS (1/2) Input System Documentation Originals, Protocols Accounting Planning Data Reporting Controlling Documentation Life Time History and knowledge-based assistance of maintenance AREVA NP Gmb. H • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 All rights are reserved, see liability notice.

Documentation with WIS (2/2) } Data sets for detailed equipment information and documentation such Documentation with WIS (2/2) } Data sets for detailed equipment information and documentation such as drawings, photos and maintenance documentation } Provision of schedules for inspection and testing } Strategy & long range planning } Development of a maintenance assisting Tablet PC AREVA NP Gmb. H • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 All rights are reserved, see liability notice.