PSA Finds Transocean Without a Bow-Tie

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Dec 122010
 
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Transocean Leader, key personnel did not understand the risk management system used onboard.

Deepwater Horizon owner Transocean has come under pressure from Norway’s Petroleum Safety Authority following an audit covering the company’s management of major accident risk and handling of barriers. In addition to some 14 non-conformities ranging from inappropriate headoffice directives to firefighting and lifesaving equipment the PSA found that manager were not familiar with the risk management methodology it recently introduced.

The four-day audit of the Transocean Leader facility, preceded by a one-day management meeting onshore

Transocean is  implementing a Bow-tie methodology which illustrate hazardous situations and probability-reducing barriers on one side, and consequence-reducing barriers following incidents on the other side of a diagram that resembles a bow-tie.

On the Transocean Leader facility, the PSA verified Transocean’s management and knowledge of major accident risk by reviewing two major accident scenarios in the form of ”table-top” exercises related to the facility’s defined hazard and accident situations.

Says PSA: “The audit activity was well-organised by Transocean”

Transocean’s main management defined which defined situations of hazards and accidents, DFUs, can primarily trigger major accidents. Currently there is not a complete overview of the operational and organisational barrier systems, and the company lacks a systematic approach in the area..

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