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WÄRTSILÄ GAS HANDLING SYSTEM FOR US LNG BUNKER VESSEL

Wednesday, September 9, 2020 

Wärtsilä Gas Solutions has taken delivery of four LNG cargo tanks from the company’s supplier in China, providing a complete cargo handling system for a new 5400m3 LNG bunker barge being built at the Fincantieri Bay Shipbuilding (FBS) yard in Wisconsin, USA for Polaris New Energy (PNE).

The four cargo tanks have internal piping, instruments, equipment and access structures. They have 300mm insulation and will be installed below deck on the bunkering barge; only the domes will be visible once completed. Transportation to the yard required detailed logistics planning. The tanks were moved by barge to Shanghai, where they were loaded onboard the heavy-lift vessel BBC Louise for transport to the USA. After crossing the Pacific, the ship will pass through the Panama Canal and then head north along the USA’s eastern seaboard on its way via the St Lawrence Seaway to the shipyard on Lake Michigan. The ship is expected to arrive in late October as planned, which is in line with the yard’s schedule for delivering the barge to PNE end-2021.

Geir Kirkemo, Project Manager, Wärtsilä Gas Solutions, said: “Delivering the cargo tanks as agreed with FBS puts the main piece of the jigsaw puzzle in place. Construction work has been to the highest HSE standards, and we are really satisfied with the quality.”

The four cargo tanks are each 1350m3 in size. The barge will be the largest vessel of its kind when launched, and will operate as a ‘moving gas station’ to supply LNG fuelled vessels along the east coast of the USA. The LNG will be delivered at a temperature of about -160 degrees C.

“The completion, and shipping, of the LNG cargo tanks marks a very significant milestone in the overall project. Fincantieri Bay Shipbuilding greatly appreciates the efforts made by all parties in trying times, and looks forward to receiving the tanks and moving into the next phase of the project,” said Pete Sinclair, Programme Manager, FBS.

The full Wärtsilä scope for this project includes, in addition to the tanks, the system design and integration, the LNG pumps, a ship-to-ship transfer system, ship to shore communication link, all necessary safety and control equipment, valves, instrumentation, and a gas combustion unit.

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