The audit activities are rooted in the PSA's main prioritiy to determine whether technical and operational barriers are maintained in a unified and consistent manner to keep the risk of major accidents as low as possible.
The purpose of the audit was to verify that the various organisational units in Statoil manage and follow up technical integrity, capacity and competence within operations and maintenance on Norne. Statoil has established a separate programme for follow-up of technical condition of the safety systems (TTS). The company's follow-up of own findings through TTS was a central part of our audit.
Our main impression is that the integrity of technical barriers on the Norne facility is safeguarded through TTS, the operations plan and the work permit system. There is unsignificant maintenance lag for safety critical equipment. Roles and responsibilities seem to be clearly defined for follow-up of TTS, and there is good contact across the organization.
The audit identified one nonconformity related to the automatic shutdown of the emergency generator upon detection of gas at the air intake.
Additionally, one improvement item was identified in relation to insufficient documentation that cables pulling through fire barriers do not weaken the barriers.
Thor Gunnar Dahle, Principal engineer
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