AREVA NP GmbH • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 1AREVA NP All rights are reserved, see liability notice.

One year

of AREVA NP Maintenance Services in Kozloduy Units 5 + 6

Bulatom 2009

Christophe Schultz

AREVA NP GmbH Services

AREVA NP GmbH • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 2AREVA NP All rights are reserved, see liability notice.

Kozloduy Units 5+6

WWER-1000/W320

953 MWel

Commissioning 1988 and 1993

Modernization of I&C and Electrical systems 1998 till 2007 • Consortium of AREVA and Siemens• Security related measures• Availability related measures• Diagnostic Systems

Security Systems 3 x 100% meshed

UPS 3 triple-stranded, meshed

NPP Staff end of 2007: 4654

AREVA NP GmbH • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 3AREVA NP All rights are reserved, see liability notice.

Overview of Modernized I&C Systems

Neutron FluxMeasurement System

Reactor ProtectionSystem

Cold OverpressureProtection

H2 MeasurementSystem

others

Security I&C (UKTS) Operational I&C (Ovation) Turbine I&C (ASUT)Turbine I&C (ASUT)

Radiation MonitoringSystem (RMS)

AREVA NP GmbH • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 4AREVA NP All rights are reserved, see liability notice.

Maintenance Services contract

Maintenance Services for Systems and Equipment of Electrical and I&C Equipment supplied and installed by AREVA NP und Siemens

AREVA Maintenance Contract resulted from Experiences of business relations between KNPP and AREVA during modernization Phase

Signing of the contract 30.04.2008

Contract duration 36 months

Preferred Subsupplier: Alfa-Enemona OOD

Contractual Subsuppliers: ABB, Gutor, Siemens EOOD

AREVA NP GmbH • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 5AREVA NP All rights are reserved, see liability notice.

Contractual concept

Kozloduy NPP

Kozloduy, BG

AREVA NP

Erlangen, DE

Maintenance contract

Alfa-Enemona

Kozloduy, BG

Preferred subsupplier

ABB Gutor Siemens

Contractual subsupplier

Contractual subsupplier

AREVA NP GmbH • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 6AREVA NP All rights are reserved, see liability notice.

Contractual Scope of SupplyField Contractual AREVA Scope of Supply

I&C 1.1 KÜS

I&C 1.2 FLÜS

I&C 1.3 FAMOS

I&C 1.4 H2-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 6kV switchgear

Electrical 2.8 Digital Electrical Protections

Electrical 2.9 6kV Switchgear NXAIR-P

Electrical 2.10 Generator Breaker HEC-7

Electrical 2.11 Fire detection and automatic fire extinguishing system

Electrical 3.1 Open Switchyard and Bank Pump Station

AREVA NP GmbH • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 7AREVA NP All rights are reserved, see liability notice.

Project Manager

QualityManagement

AccountingManager

EngineeringI&C

EngineeringElectrical

EngineeringDiagnostics

Back Office

Project Manager

KNPP

Quality Assurance Manager

Deputy Project ManagerFinancial Part

Deputy Project ManagerTechnical Part

Technical Supervisor

Electrical Systems

Technical Supervisor

Electrical Systems

Technical Supervisor

I&C Systems

Technical Supervisor

OSY Systems

Project Organisation and Interfaces

Site Manager

Local Office

Leading Engineer

Communication Channels go between Project Managers and via Local Office Kozloduy

AREVA NP GmbH • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 8AREVA NP All rights are reserved, see liability notice.

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 06.06.2008 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 daysAREVA teams performed an even larger Scope of activities

During Summer 2008, the cooperation of KNPP and AREVA showed continuous improvement

AREVA NP GmbH • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 9AREVA NP All rights are reserved, see liability notice.

Milestones of Maintenance Contract in 2008

Internal KOM

Internal KOM

20.05.

Outage unit 5

Outage unit 5

Feedback Workshop

Feedback Workshop

Contract signature

Contract signature

May June July August Sept. Nov. Dec.

Outage unit 6Outage unit 6

October

Plant Walk Down

Plant Walk Down

30.04.

26.05 06.06. 18.07. 22.08. 04.10.15.12.

16.12.

Steering Committee

Meeting

Steering Committee

Meeting

AREVA NP GmbH • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 10AREVA NP All rights are reserved, see liability notice.

Total manpower during the outages 2008

CW 22 23 24 25 35 36 37 38 39 40

June

Unit 5 Unit 6

26 27 28 29

July August September

41

Permanent personnel

25 Persons

Oct.

AREVA NP GmbH • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 11AREVA NP All rights are reserved, see liability notice.

Documentation with WIS (1/2)

Life Time History and knowledge-based assistance of maintenance

System Documentation

Originals, Protocols

Planning DataReportingControlling DocumentationAccounting

Input

AREVA NP GmbH • Bulatom 2009 • Maintenance Services for Kozloduy NPP • May 2009 12AREVA NP All rights are reserved, see liability notice.

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 Basic Data

Statistics

Strategies & Long range planning

Event History

Maintenance DocumentationDrawings

Diagnosis data

Development of a maintenance assisting Tablet PC