Ammonia-fuelled Boxship Design Receives ABS Approval

Credits: Seaspan

Seaspan Corporation and the Mærsk Mc-Kinney Møller Center for Zero Carbon Shipping (MMMCZCS), in collaboration with Foreship, have received Approval in Principle (AiP) from classification society American Bureau of Shipping (ABS) for the design of a 15,000 TEU ammonia-powered containership, reports Offshore Energy.

The certificate was presented at the MMMCZCS office in Copenhagen, Denmark, on 25 July. The project partners revealed the vessel’s design earlier this year.

AiP for ammonia-powered containership

The concept design for the ammonia-powered containership included defining the safety objective, the impact of ammonia as a fuel on vessel performance, completion of a hazard identification (HAZID) qualitative risk assessment and development of the concept design. Documentation included a fuel range and endurance analysis, ammonia tank and system location assessments, general arrangement, main machinery and electrical system design, and initial vessel stability calculations.

Singapore Ammonia Bunkering Feasibility Study (SABRE) consortium

The project is connected to the Singapore Ammonia Bunkering Feasibility Study (SABRE) consortium, focusing on developing and demonstrating an ammonia supply chain in Singapore.

  • Phase 1 performed an end-to-end technical and commercial feasibility study of ammonia bunkering in Singapore along with a preliminary ammonia bunkering vessel design.
  • Phase 2 is investigating how to mature the commercial feasibility so that contractual terms across the supply chain are prepared and can be executed to establish an ammonia bunkering operation in Singapore.

The 15,000 TEU vessel was designed as a potential receiver of ammonia fuel from bunker vessels currently under design and development.

MMMCZCS said it will publish a report detailing the concept design, how the ammonia safety case was developed and outcomes from the risk assessment later this year. The potential commercialization of the vessel design concept based on technology and shipyard readiness will be the focus of the next stage of this project.

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Source: Offshore Energy


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