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Class NK awards AiP to Imabari Shipbuilding for LPG dual fueled bulk carrier

28 Apr 2020

Japanese classification society ClassNK on Monday (27 April) granted an Approval in Principle (AiP) to Imabari Shipbuilding Co., Ltd. for their concept design of a 180,000 DWT liquid petroleum gas (LPG) dual fueled bulk carrier developed in cooperation with Mitsubishi Shipbuilding Co., Ltd. 

ClassNK said the AiP was granted to the concept design based on the Society’s Guidelines for Ships Using Low-Flashpoint Fuels(*1) and its Rule Part GF (regulation for ships using low-flashpoint fuels) incorporating “International Code of Safety for Ships using Gases or other Low-flashpoint Fuels (IGF Code), the current IMO Res. MSC.391(95) and the MSC.458(101) revision planned for release in 2024. 

This is the first LPG dual fueled bulk carrier in the world to be granted an AiP, it noted. 

One of the merits of this particular design, is that it eliminates the necessity for special consideration of boil off gas with this design handling LPG at room temperature and high pressure, which makes the ship’s operation easier, says Class NK. 

In addition, the ship has been designed with extensive consideration towards cost competitiveness by eliminating the use of low-temperature materials such as stainless steel and cryogenic insulation, it added. 

ClassNK notes the LPG tank is planned to be installed in the aft area of the bridge and has round-trip distance capacity to journey between Japan and Australia. 

It adds that the increasing availability of LPG as marine fuel increases in ports worldwide motivated the firm to design the ship this way. 


Photo credit: ClassNK
Published: 28 April, 2020

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