ClassNK grants AiP for LNG-fuelled bulker concept design

ClassNK grants AiP for LNG-fuelled bulker concept design

NS United Kaiun Kaisha and Imabari Shipbuilding have received an Approval in Principle (AiP) from ClassNK for a joint project on the concept design of a liquefied natural gas (LNG)-fuelled capesize bulker.

According to Imabari Shipbuilding, the basic design can achieve CO2 emission volumes that are 30 per cent less than the reference line as required under the Energy Efficiency Design Index (EEDI) Phase 3 by the IMO.

The main features of the design include two Type C LNG tanks at the stern, which according to Imabari Shipbuilding are considered cost competitive and comparatively easily to install as it is possible to build an LNG-fuelled vessel without significant changes to the conventional vessel’s basic design. The design adopts a low-pressure dual-fuel engine for the main engine, which enables the use of gas that has naturally vaporised (BOG: boil-off gas) from the LNG tanks in the main engine without any waste, thereby reducing the burden on the environment and lowering running costs.