Requirements for site level PSA model management

    Research output: Book/ReportReport


    In this report, preliminary requirements are outlined for site PSA documentation, model management and computation. First, overall requirements for site PSA are developed. Second, it is specified what information needs to be documented in different site PSA analysis steps. Third, requirements for a multi-unit dependency database and PSA model management process are listed. Finally, requirements for computation results are specified.

    The requirements were mainly outlined based on method development that focused on level 1 PSA. When level 2 PSA and other radioactive sources than the fuel in the reactor core are included in the scope, some additional requirements might be needed. In addition, the overall requirements only consider PSA applications on a general level. It is therefore expected that the set of requirements will be updated when more research and development work is completed and after gaining experience from site PSA work. Guidelines for site PSA model management should also be prepared.
    Original languageEnglish
    Place of PublicationEspoo
    PublisherVTT Technical Research Centre of Finland
    Number of pages15
    Publication statusPublished - 2018
    MoE publication typeD4 Published development or research report or study

    Publication series

    SeriesVTT Research Report


    • site probabilistic safety assessment
    • model management
    • multi-unit


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