The use of condition monitoring information for maintenance planning and decision-making

Kari Laakso, Tony Rosqvist, Jette L. Paulsen

    Research output: Book/ReportReport


    A survey is presented outlining the use of condition monitoring information in three Nordic nuclear power plants. The questions of the survey relate to the role of condition monitoring in strategic, as well as operative, maintenance planning and decision-making. The survey indicates that condition monitoring is increasingly implemented at nuclear power plants, but very selectively and in a rather slow pace for predictive maintenance. A combined strategy of condition based maintenance and predetermined preventive maintenance is applied for important
    equipment such as main circulation pumps and steam turbines. A realistic aim is to reduce the number of costly or error prone maintenance and disassembling inspection activities by condition monitoring given that the approach enables a good diagnosis and prediction. Systematic follow-up and analysis of such condition monitoring information followed by a case-specific planning and decision making of timely and rightly directed maintenance actions can justify an extension of the intervals of a number of predetermined inspection, maintenance or periodic testing tasks.
    Original languageEnglish
    Place of PublicationRoskilde
    PublisherNordic Nuclear Safety Research NKS
    Number of pages33
    ISBN (Print)87-7893-136-3
    Publication statusPublished - 2003
    MoE publication typeD4 Published development or research report or study

    Publication series

    SeriesNKS Reports


    • condition monitoring
    • maintenance planning
    • decision making


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