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B: Application [Table of Contents] D: Responsibilities

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

[-] Sec.1: General
[-] C: Interface with Classification

Sec.1
C. Interface with Classification

Sec.1
C 100   General

Sec.1 C
101   UK offshore compliance requires that design, construction, and operation of offshore installations is as safe as reasonably practicable, in line with current industry good practice and technology. Compliance is installation specific and cannot be based upon prescriptive requirements alone.

Classification can contribute to, or be based on, UK compliance, in the following ways:

Sec.1 C
102   Risk Based Classification

DNV can award classification based on risk assessment and independent verification, as detailed in DNV-OSS-121. This approach is similar to that for UK compliance. Units/installations classed by this method will have fulfilled many of the initial steps for UK compliance. Conversely, units/installations achieving UK compliance through DNV will also have fulfilled the key requirements for classification as detailed in DNV-OSS-121.

Sec.1 C
103   Traditional Classification

Units and installations following a traditional classification approach can credit classification for UK compliance. The most significant benefits are:
—rules are based on experience and current good practice and are frequently updated
—requirements apply to the key structures and systems which are important for safety and integrity
—the approval (independent verification) process is systematically applied and documented from design through to operation.

Classification input is particularly valuable input to verification schemes for mobile offshore units coming to the UK from operation in other areas of the world.

Some additional work will be required in the form of risk assessments, safety case(s), and UK written schemes. The key items of additional work and relevant DNV services are identified in this document.

Sec.1 C
104   It should be noted that deviations from traditional class which are required in the UK regime may be acceptable under class.

Sec.1 C
105   It has been accepted by the HSE that the work carried out under Class can be considered as contributing to the scope of the Verification of the SCEs.

B: Application [Table of Contents] D: Responsibilities