ClassNK issues AiP for jointly developed ammonia fuelled bulk carrier

(Posted on 27/01/23)

ClassNK has issued an Approval in Principle (AiP) for a large ammonia fuelled 210,000 DWT bulk carrier jointly developed by Mitsui O.S.K. Lines, Ltd. (MOL) and MITSUI & CO., LTD (MITSUI).

Ammonia is expected to be used as a ship fuel for decarbonization since it does not emit CO2 when combusted. Meanwhile, adequate safety measures are imperative as it has been pointed out that ammonia is toxic to humans and corrosive to materials. ClassNK has been involved in projects aiming for zero-emission ships using ammonia fuel in terms of safety assessment, and has issued its "Guidelines for Ships Using Alternative Fuels” as a necessary standard to minimize the risks related to ammonia-fuelled ships for the ships, crews, and environment by stipulating requirements for installation, controls, and safety devices.

MOL and MITSUI have jointly determined the size and specifications for the vessel, and its design has been entrusted to Mitsubishi Shipbuilding Co., Ltd. ClassNK carried out the review of this jointly developed design in line with Part C of its guidelines and issued the AiP on verifying conformity to the prescribed requirements. In addition, risk assessment (HAZID) will be conducted to confirm that no unacceptable risks exist at the basic design stage and to identify items to be considered in the detailed design.

ClassNK will continue to support those companies as the certification body and will strive to provide appropriate standards for ammonia-fuelled ships through the expertise gained from the collaboration.

Approval in Principle (AiP): At the initial stage of designing or before the specific target ship to be implemented is decided, the design is examined based on the existing regulations such as international conventions and ship classification rules, and an Approval in Principle (AiP) is issued as proof of conformity with requirements. It also prevents rework of regulatory aspects in the post-process, shortens the examination time at the time of class registration, and can be used as a technical basis for external appeal of the design status.

Latest News

Maritime appetite for cyber risk higher than other industries

A new report published by DNV reveals that the majority (61%) of maritime professionals believe the... Read more

NorthStandard adjusts for future with precautionary premiums increase

The return of higher claim volumes during 2024, increased exposure to larger claims, and continuing... Read more

ClassNK ELW on improving seafarers’ living conditions for Tokei Kaiun bulker

ClassNK has granted its ‘ELW (HP)’ (Excellent Living and Working Environment (Hydroponics... Read more

FONASBA elects new President and Board

The Federation of National Associations of Ship Brokers and Agents (FONASBA) has held its annual meeting... Read more

10,000 cadets benefit from Sailors’ Society virtual conferences

Record-breaking numbers of cadets and ratings from across the globe have attended the 2024 Sailors&rsquo... Read more

Algoma’s stronger quarter signals promising close to the year

Algoma Central Corporation has reported its results for the three and nine months ended September 30... Read more

Urgent need for updated medical guide for ships

Marine Medical Solutions, a key player in maritime healthcare, is raising awareness to the urgent need... Read more

KCC makes move into wind with bound4blue eSAIL system on newbuild

A subsidiary of Klaveness Combination Carriers ASA (“KCC”) has entered into an agreement... Read more

KCC makes move into wind with bound4blue eSAIL system on newbuild

A subsidiary of Klaveness Combination Carriers ASA (“KCC”) has entered into an agreement... Read more

Partnership to launch maritime Know-Your-Customer data platform

Baltic Exchange has launched a Know-Your-Customer (KYC) platform to give the maritime sector greater... Read more