The implementation of the CSM regulation by the European Commission in 2009 which harmonizes the risk assessment process and introduces a rather new concept of judging changes within the European railway industry. This circumstance has risen the question how other technology sectors handle the aspect of modifications and alterations. The paper discusses the approaches for judging the significance of modifications within the three transport sectors of European railways, aviation and maritime transportation and the procedure which is used in the area of nuclear safety. We will outline the similarities and differences between these four methods and discuss the underlying reasons. Finally, we will take into account the role of the European legislator and the fundamental idea of a harmonization of the different approaches.

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maritime transportation risk assessment process railways aviation nuclear safety changes

Heinz Peter Berg,Nicolas Petrek,.Process of Judging Significant Modifications for Different Transportation Systems compared to the Approach for Nuclear Installations. 9 (4),.

Heinz Peter Berg,Nicolas Petrek,"Process of Judging Significant Modifications for Different Transportation Systems compared to the Approach for Nuclear Installations" 9

Heinz Peter Berg,Nicolas Petrek,"Process of Judging Significant Modifications for Different Transportation Systems compared to the Approach for Nuclear Installations"