1 Preparing a decommissioning project (part III) H. Sterner E. Thurow Energiewerke Nord GmbH H. Sterner; E. Thurow, EWN, chapter 3.

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Presentation transcript:

1 Preparing a decommissioning project (part III) H. Sterner E. Thurow Energiewerke Nord GmbH H. Sterner; E. Thurow, EWN, chapter 3

2 Decommissioning plan Content and structure Project Management Licensing Process Characterisation of the facility (dose mapping and inventory classification) Safety assessment Radiation Protection and Monitoring Environmental impact assessment Waste Management Decontamination Dismantling and demolition Remote dismantling Engineering support necessary Quality Assurance and Quality control Physical Protection Site adaptation and development Public relations

3 Decommissioning plan EWN – Explanatory reports ERFirst issue in 1994Issue Index one year later ER1Licensing concept for decommissioning/dismantling of units ER2Radiation protection concept2 ER3Site operation4 ER4Incident analyses2 ER5Fire protection concept2 ER6Intervention in contaminated building structures under controlled area conditions 3 ER7Reconstruction/new construction of the complex of central active workshop/melting facility 3 ER8General dismantling plan1 ER9Material flow/release measurement concept1 ER10Decontamination concept2 ER11Disposal of damaged fuel elements1 ER12Physical protection3 ER13Remote dismantling of reactor pressure vessels 1 to 52 ER14Clearing of tube storages for activated components1 ER15Disposal of absorber sections and shielding assemblies2

4 Decommissioning plan  Initial for operation license  Updating during operation  Final for decommissioning license  Ultimate after project termination

5 Licensing aspects Decrease in potential risk

6 Licensing aspects EWN Strategy - overview  strategy  determination of main licensing steps  common understanding of decommissioning and dismantling in parallel to post operation and permanent system adaptation  categorisation of systems based on safety importance for the different decommissioning phases  step by step procedure of documents

7 Licensing aspects EWN Strategy - overview  system dismantling supervised area  personnel occupation  one basic license - possession - post operation -large dismantling part  work security  part licences -controlled areas -remote dismantling  smooth workload planning and authorized control  no public hearing necessary

8 Licensing aspects EWN - licensing mile stones (basic schedule )

9 Licensing aspects EWN - step by step procedure of documents

10 Finacial aspects EWN experience - cost  Decommissioning start as early as possible after shutdown  1 additional year of post operation costs ca. 50 Mio EURO  Comparison of dismantling costs per unit: Greifswald:200 Mio EURO German utilities:300 Mio EURO

11 Social aspects Problems after shut down Substantial problems at the NPP: Restructuring of the company for decommissioning is necessary Planning, preparation and realisation of decommissioning Motivation of personnel, ensuring the permanent personnel level Planning of the personnel reduction

12 Social aspects EWN - Measures and principles No major contractors Retirement scheme Privatisation/outsourcing Education - decommissioning - better position on labour market Dismissal with economical support Re-industrialisation of the site

13 Social aspects EWN – personnel reduction

14 Social aspects EWN – personnel reduction

15 Social aspects Approaches for the NPP Further qualification of the personnel Support for the creation of new working places (Outsourcing) Inclusion of local companies in decommissioning activities Timely release of NPP territory for the settlement of industries Use of national and international support programmes

16 Social aspects Approaches for the region Further qualification of unemployed people (increase of chances at the labour market) Creation of new working places (privatisation) Development of regional development programmes Use of national and international support programmes Co-ordination of regional activities/measures

17 Social aspects Approaches for the country Creation of boundary conditions (legal framework, financing, infrastructure) Initiation of national and international support programmes Creation of a centralised organisational structure for controlling and co-ordination of all measures

18 Summary Key issues for preparation inventory strategic analysis technical concept project breakdown license release limit values social impact