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Jiangnan Shipyard to develop LNG dual-fuelled Newcastlemax bulker

07 Sep 2018

Shanghai-based Jiangnan Shipyard, a subsidiary of China State Shipbuilding Corporation (CSSC), will be jointly developing a liquefied natural gas (LNG) dual-fuelled Newcastlemax 210K bulk carrier design with classification society Lloyd’s Register (LR).

The shipyard received an Approval in Principle (AiP) from LR on Wednesday for its design to use a ‘LNG Dual Fuel Package with Piggybacked Type C Tanks’ (LNG-PTC) especially for bulk carriers.

The LNG-PTC system will feature a dual-fuel main engine (MAN B&W ME-GI or WinGD X-DF), dual-fuel auxiliary engines, fuel gas system (high pressure or lower pressure), cylindrical IMO Type C LNG tank(s) and an LNG related safety system.

The following advantages of the LNG-PTC design are:

  • The ‘piggyback’ arrangement has no effect on the ship’s dimension and structural integrity of hull girder;
  • All LNG related components are located stern part, with no impact to the cargo handling operation;
  • Stern hull form and the strength of hull girder are well optimised for providing compensation due to supplemental weight of LNG-PTC;
  • Full-width stern deck makes full endurance of an LNG dual-fuel propulsion system possible, whilst maintaining comfort level as equivalent to conventional Newcastlemax;
  • A shelter for the LNG tank can be provided as an option for enhancing safety against mechanical damage.

“Jiangnan has a rich experience and strong capability to provide LNG-PTC for either new building or retrofitting on bulk carriers as turn-key projects,” said Lin Ou, Chairman of Jiangnan.

“Jiangnan has its own facility and qualified team to integrate the fuel gas system and fabricate Type C tank of the LNG-PTC.

“When considering longer trade voyages, Jiangnan has another two fuel tank systems (Type B and GTT Membrane) as alternative solutions.”

Presenting the AiP, Nick Brown, LR Marine & Offshore Director said: “We are delighted to have worked with Jiangnan on this project.”

“LR provided assistance and support in terms of fuel tank design, analysis of support structure and the LNG fuel system application and checked the design against IGF code, LR Gas Fuelled Rules as well as other relevant applicable standards.”

Jiangnan is currently building LNG-fuelled 22,000 TEU capacity boxships.

Related: Jiangnan Shipyard orders LNG fuel tanks for mega boxships

Published: 7 September, 2018

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