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South Stream Transport Appoints DNV GL to Validate Pipeline Safety
February 07, 2014 + + + South Stream Transport has
contracted DNV GL for the independent certification of the South Stream
Offshore Pipeline. DNV GL will be involved in the design, manufacturing,
construction and pre-commissioning of the pipeline in order to issue a
Certificate of Conformity, showing that the pipeline complies with the
norm DNV-OS-F101. DNV-OS-F101 is a leading international standard for
offshore pipelines to ensure that projects are designed, constructed and
operated with due regard for safety and environmental protection.
The South Stream Offshore Pipeline will be composed of 4 parallel
underwater pipelines each made up of approximately 75,000 pipes with a
diameter of 32 inch (813 mm). Each pipe will have a length of 12 metres
and a steel wall thickness of 39 mm. In addition, buckle arrestors with a
wall thickness of 74 mm will be installed at regular intervals in deep
waters for additional strength.
Third-party verification from start
to finish
DNV GL will be involved across all stages of project
implementation, ranging from design to construction and completion of the
pipeline. In 2013, DNV GL already issued a Statement of Verification for
the Front End Engineering Design (FEED) of the South Stream Offshore
Pipeline. The company will also review the detailed design of the pipeline
system to confirm its compliance with integrity and safety standards
before construction starts.
During pipe production, inspectors from
DNV GL will be present at the pipe mills to ensure that the pipes meet the
required standards for the offshore pipeline. Previously, the organisation
was also involved in the Manufacturing Procedure Qualification Tests
(MPQT) that all potential pipe producers had to complete in order to
qualify as a supplier.
DNV GL will also monitor offshore
construction on-board the pipe-laying vessels and inspect and verify the
pre-commissioning process that takes place before the pipeline is taken
into operations.
Having DNV GL involved at both the design and
implementation stages of the project ensures that the South Stream
Offshore Pipeline is built in accordance with the approved design and
specifications, thereby validating its integrity and safety. More about
DNV GL:
http://www.dnvgl.com
Source:
www.south-stream-transport.com
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