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C: Verification Services [Table of Contents] App.A: Summary of Key UK Safety Compliance Milestones

DNV-OSS-202 Verification for Compliance with UK Shelf Regulations

[-] Sec.3: Written Schemes (Verification Services)
[-] D: Application for Classed Units

Sec.3
D. Application for Classed Units

Sec.3
D 100   General

Sec.3 D
101   Work under UK written scheme requirements and classification can be combined wherever possible to:
—take advantage of the experienced systematics and resources of DNV classification
—improve cost efficiency through avoiding unnecessary duplication of work.


Sec.3 D
102   The HSE have accepted that work carried out under the scope of Class/Flag can be considered as contributing to fulfilling the requirements of the Verification Scheme. They accept that there is no need for double survey of the same items under different headings.

Sec.3
D 200   Application to installations

All installations

Sec.3 D
201   DNV offshore classification includes independent design and construction approval, and ongoing approval through survey, of important safety features of installations. Where appropriate, this can be directly credited into the UK scheme. This can be particularly useful in consideration of the following:

Conversions to floating production installations (Fixed Installations)

Sec.3 D
202   Floating Production Installations are fixed installations under UK regulations, and written scheme must address original design and construction, as well as modifications, such as offshore production systems. DNV classification can be useful for some of this retrospective verification.

Sec.3 D
203   Design and construction verification of topsides can take credit for additional DNV class notations, such as PROD and DRILL.

Mobile Units

Sec.3 D
204   Written schemes must be in place when a mobile unit enters UK waters. These schemes must include demonstration of adequate design and construction, as well as ongoing operations.

Sec.3 D
205   Similar to floating production installations above, classification can be useful for some of this retrospective design and construction verification under classification. Further design and construction verification will only be required where not originally identified or suitable under classification, or where systems require modification for use in the UK.

Sec.3 D
206   UK regulations therefore recommend that mobile offshore units are designed and built with verification requirements in mind. These will simplify acceptance for operation in UK waters, and avoid the need for major remedial action by duty holder.

Sec.3
D 300   Class notation

Sec.3 D
301   Classed units/installations for which DNV provides verification services for establishing and performing a UK written scheme including all safety-critical elements may be assigned a class notation

UKVS

Details of the verification services shall be stated in the appendix to the class certificate.

C: Verification Services [Table of Contents] App.A: Summary of Key UK Safety Compliance Milestones