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Tokyo, 8 June 2017: DNV GL has awarded Kawasaki Heavy Industries,
Ltd (KHI) an Approval in Principle (AiP) for their newly developed
non-spherical (MOSS) tank. The new tank is a IMO Independent Type B LNG tank
that has been developed for use in 180KM3 LNG carriers designed to pass
through the new Panama Canal.
“It is always a great pleasure to work with
KHI, to continue what has been such a long and enjoyable cooperation,” said
Johan Petter Tutturen, Business Director for Gas Carriers at DNV GL –
Maritime. “We worked with KHI on the delivery of the first Japanese built LNG
carrier – Golar Spirit – in 1981 and that cooperation
continues to this day, as she remains in DNV GL class after her successful
conversion to a FSRU, a world’s first.”
KHI says that the new tank has the same
reliability as a spherical (MOSS) tank, but has an increased cargo capacity
of 15 per cent. It can also be used with the “Kawasaki Panel System”, an
advanced heat insulation system developed by KHI.
Head
of Media and Public Relations of DNV
GL Maritime Communications, Nikos Späth,
stated that DNV GL carried out comprehensive sloshing and buckling analyses
together with KHI, which demonstrated that the new tank provided an
equivalent level of safety performance to the well-known spherical (MOSS)
tank with no filling restrictions.
“As DNV GL’s experience with LNG has grown
over the years, so too has our conviction that LNG can make a significant and
positive contribution to the efficiency and sustainability of the energy and
maritime industries,” said Johan Petter Tutturen. “To keep this momentum for
the use of LNG growing, DNV GL will continue to work with innovative partners
like KHI to ensure that owners and yards can be confident that this
technology will continue to advance, while meeting strict safety and
reliability standards,” he concluded.
An Approval in Principle is an independent
assessment of a concept within an agreed framework, confirming that the
design is feasible and no significant obstacles exist to prevent the concept
from being realized. The AiP is typically carried out at an early stage of a
project to confirm its feasibility for the project team itself, company
management, external investors or regulators.
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