Det Norske Veritas - Germanischer Lloyd

VERIFICATION OF SUBSEA FACILITIES - Incorporates Amendment: April 2012
 N DNV-OSS-306

Annotation

Scope of application for verification

This specification may be adopted for the verification of parts of subsea facilities or selected project phases.

Subsea facilities typically comprise the following systems:

- Downhole system

- Subsea wellhead and tree system (including: choke, tubing hanger and connection systems)

- Manifold, foundations and template

- Flowlines and risers (including dynamic umbilical risers)

- Subsea control umbilicals

- Subsea production control system

- Subsea processing system

- Well intervention/completion/workover system

- ROT intervention system which are applied in various configurations and tailored to each particular project's specific requirements.

This specification describes the principles of a levelled verification involvement. These principles may be applied both for planning of any need or obligations for independent external verification (third party) as well as internal company verification (second party).

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