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Audit of technical safety – Skarv Turret

Audit: On 18 -20 November 2009, the Petroleum Safety Authority Norway (PSA) conducted an audit of the design of the technical safety systems on Skarv Turret at the Keppel Shipyard in Singapore.

The audit emphasised the following areas:

  • Safety strategies and design loads
  • Fire-fighting
  • Passive fire protection
  • Instrumentation safety systems, with special focus on ESD, fire and gas detection

Skarv Turret

About Skarv
Skarv is located approx. 35 kilometres southwest of the Norne field in the northern section of the Norwegian Sea. The development is a unitisation of the 6507/5-1 Skarv and 6507/3-3 Idun deposits.

The water depth in the area is between 350 and 450 metres. The development concept is a floating production facility (FPSO) connected to five subsea templates on the seabed.

BP Norge AS (BP) is the operator of Skarv.

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, thereby also contributing towards the greatest possible value creation for the Norwegian society.

The PSA shall also contribute to reducing the risk level in the petroleum activities by following up to ensure that the players facilitate technical and operational integrity.  Technical safety is a key component of the technical barriers, and safeguarding this in a good manner is important to maintain an acceptable risk level.

Purpose of the audit
The purpose of the audit was to verify that BP, in the engineering of Skarv Turret, safeguards the regulatory requirements within the area comprised by the activity.

Result of the audit
Skarv Turret is being built at the Keppel Shipyard in Singapore. The audit was carried out according to the plan. The audit concentrated on the areas safety strategies and design loads, as well as passive fire protection.

The work on passive fire protection had been delayed. This was due to weather-related challenges and difficult access where other types of work were being carried out in the area.

The result of the audit shows that BP has satisfactory control of this discipline.

However, one item with potential for improvement was pointed out relating to audit of Design Accidental load specification as this is a central governing document. There were also a few remarks.

Journal 2009/785 (document in Norwegian)