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About the acquisition of Capesize Bulk Carrier LPG dual fuelled ship design basics approval AiP


We, Imabari Shipbuilding Co., Ltd, have acquired AiP (Approval in Principle: design basics approval) of Capesize Bulk Carrier LPG dual fueled ship from Nippon Kaiji Kyokai (ClassNK) for the first time in the world.

AiP which we acquired this time signifies that ClassNK examined and approved this basic design to meet their standard. This resulted from our thorough research for the most suitable items targeting at "180,000 tons of deadweight type bulk carrier" with the cooperation with Mitsubishi Shipbuilding Co., Ltd.

To respond to the recent international requirements to reduce greenhouse gas (Green House Gas:GHG) and meet a wide range of needs, we researched and developed ship’s design with using LPG as fuel which is one of the alternative fuels for environmental friendliness.

Carefully considering the property and characteristic of LPG, we carried out risk assessment (HAZID: Hazard Identification Study) for each design to meet more safety and reliability.

As one of the merits of this design, 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. In addition, the ship has been designed with extensive consideration towards cost competitiveness by eliminating to use low-temperature materials such as stainless steel and cryogenic insulation.

LPG tank is planned/designed to be installed in the aft area of the bridge and with round-trip distance capacity between Japan and Australia. And, as for supplying LPG to the ship, nowadays, LPG supply bases and infrastructure facilities are globally more developed and improved, which makes the ship’s operation more flexible. This is another motivation to create this design.

We keep on developing the effective solution to forthcoming environmental regulations in the future.

Capesize Bulk Carrier LPG fuel ship (image)
AiP paper of Capesize Bulk Carrier LPG fuel ship