Abstract

Abstract This paper presents a systematic methodology aiming at investigating human-error induced collisions between attendant vessels and offshore installations, with focus on three key risk categories: Cargo handling and personnel transferring (CH), loss of station keeping (SK) and ship handling and maneuvers (SH). Because of space limitation, the methodology will be applied here to the first category (CH) only. The Failure Mode, Effects and Criticality Analysis (FMECA) method was used to identify the hazards. Moreover, the Interpretive Structural Modeling (ISM) of Multi Criteria Decision Making (MCDM) was used for the same purpose and results of both methods were favorably compared. Moreover the Fault Tree Analysis (FTA) was used to evaluate the root causes of accidents down to the Underling Factors (UFs) benefiting from the revised guidelines for the IMO Formal Safety Assessment (FSA).

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