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Major accident audit and audit of management and follow-up of technical and operational conditions at StatoilHydro Mongstad

During the period 16-18 October 2007, the Petroleum Safety Authority Norway (PSA) conducted an audit (major accident audit and follow-up of technical and operational conditions) at the petroleum facility at Mongstad (StatoilHydro Mongstad).


Background for the audit
The PSA is to set standards for, and follow up to ensure that, the players in the petroleum activities maintain high standards as regards health, safety and the environment, and thereby also contribute towards creating the greatest possible values for the Norwegian society.

The audit shall be systems-oriented and risk-based and come in addition to the follow-up from the industry.

The audit was based on the Major Accident Regulations and requirements in the Temporary Regulations relating to safety and working environment for certain petroleum facilities on land and related pipeline systems and the Regulations relating to systematic health, environment and safety work in enterprises (the Internal Control/HSE Regulations).

Mongstad

The Mongstad facility

Purpose of the audit
The purpose the audit was investigate whether StatoilHydro Mongstad meets the requirements related to The Major Accident Regulations with special emphasis on maintenance and especially with regard to evaluations and ranking of systems and equipment, as well as responsibilities and roles in this connection.

Another objective was to obtain information on technical and operational conditions at the facility and how the design life for important equipment and components is determined and ensured.

The audit included the following topics and areas:

  • Maintenance and inspection.

  • Major accident potential.

  • Ageing of technical equipment.

  • Verifications.

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Result of the audit
The results are based on presentations of management systems elements and conversations with selected personnel, with subsequent verification of governing documents and procedures and programs for carrying out maintenance at StatoilHydro Mongstad.

It is our assessment that the facility at StatoilHydro Mongstad does not fully meet the regulatory requirements as regards maintenance management. The overall risk represented by outstanding maintenance and non-conformities has not been assessed. This amounts to an uncertainty in connection with the assumptions about the facility's technical condition in the risk analyses (TRA) and the safety report.

The operation of the installation depends on experienced and skilful employees, and an important future challenge will be to maintain the competence at the facility.

We received the impression that StatoilHydro Mongstad to a greater extent than previously is directing its attention to the underlying causes of incidents.

Contact person in the Petroleum Safety Authority Norway:
Mike Theiss