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This overview highlights the maintenance services provided by AREVA and Siemens at Kozloduy Units 5+6, covering modernization, security measures, and diagnostic systems. The text details the consortium's work, scope, contract details, and milestones achieved during the maintenance period.
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One year of AREVA NP Maintenance Services in Kozloduy Units 5 + 6 Bulatom 2009 Christophe Schultz AREVA NP GmbH Services
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 Staffend of 2007: 4654
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
Contractual concept Preferred subsupplier Maintenance contract AREVA NP Erlangen, DE Alfa-Enemona Kozloduy, BG Kozloduy NPP Kozloduy, BG Contractual subsupplier Contractual subsupplier ABB Siemens Gutor
Project Organisation and Interfaces • Communication Channels go between Project Managers and via Local Office Kozloduy Local Office Site Manager Leading Engineer
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
Milestones of Maintenance Contract in 2008 30.04. Contract signature 16.12. Steering Committee Meeting 20.05. Internal KOM 15.12. 04.10. 26.05 06.06. 18.07. 22.08. Feedback Workshop Plant Walk Down Outage unit 5 Outage unit 6 June July May August Sept. October Nov. Dec.
Total manpower during the outages 2008 Unit 5 Unit 6 25 Persons Permanent personnel CW 28 27 29 26 22 23 24 25 35 36 37 38 39 40 41 June July August September Oct.
Documentation with WIS (1/2) Input System Documentation Originals, Protocols ReportingControlling Accounting Documentation Planning Data Life Time History and knowledge-based assistance of maintenance
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