ClassNK Green Lights World’s First A-FSRB

ClassNK Green Lights World’s First A-FSRB

An ammonia floating storage and regasification barge (A-FSRB) jointly designed by NYK Line, Nihon Shipyard Co (NSY), and IHI Corp. has received permission in principle (AiP) from ClassNK (IHI).

According to reports, this is the first AiP for A-FSRBs that handle ammonia as cargo.

A-FSRB, a floating offshore facility created by NYK Line, NSY, and IHI, can collect and store ammonia that has been brought by ship in liquid form, reheat and regasify ammonia in response to demand, and then send ammonia to a pipeline on land.

The three businesses claim that compared to building onshore storage tanks and regasification plants, the A-FSRB has the advantages of quicker construction and lower costs.

The businesses believe the A-FSRB might hasten the uptake of fuel ammonia and promote its widespread usage as a next-generation fuel with a lower environmental impact.

While the development of onshore facilities for storage and regasification is a challenge, ammonia, which does not generate CO2 during combustion, has gained attention for its usage in thermal power plants and other uses as a viable fuel for decarbonization.

In accordance with its Part PS of Rules for the Survey and Construction of Steel Ships and Guidelines for Floating Offshore Facilities for LNG/LPG Production, Storage, Offloading, and Regasification, ClassNK performed the design review of the A-FSRB.

Since there are currently no worldwide laws governing floating storage and regasification facilities for ammonia cargo, it is anticipated that the design will need to take into account the particular needs of ammonia.

As a result, from the beginning of the study phase, the enterprises and ClassNK worked to identify technical concerns and conducted a thorough risk assessment of potential possibilities.

The gap analysis method was used to identify and assess the risks associated with the differences between traditional ships and offshore floating installations (heavy oil, LNG, etc.). ClassNK released the AiP for the A-FSRB in accordance with its review and the findings of the risk identification.

By aggressively continuing to participate in cutting-edge decarbonization programs and supporting the entire industry's decarbonization, ClassNK will implement the information it has obtained by working with front-runners in its rules and regulations.

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