Hulls of Two Buksér og Berging Boats Are 40% Complete
Norway’s Buksér og Berging reports 40% completion of the hulls for two dedicated-LNG escort tugs – said to be the world’s first – for long term terminal service at Statoil’s Kaarstoe terminal in southwest Norway.
The vessels are under construction at the new Sanmar Denizcilik shipyard on Tuzla Bay on the outskirts of Istanbul. Hulls are about 40% complete, BB chief operating officer Vetle Sverdrup said Thursday. Installation of engines and LNG tanks is to commence by year-end, he told F&F.
The two new boats will each have two lean burn, natural gas-only, C26:33 L6PG engines from Rolls-Royce Marine, as part of a Z-drive package with azimuth thrusters – Rolls’ US35 – with maximum power rating of 2,790 kilowatts, or 3,740 horsepower apiece.
The new hull and propulsion system will achieve up to 20% higher thrust efficiency compared to standard designs, BB says.
Rolls-Royce announced U.S. EPA approval of its dedicated-natural gas C-Series engines just this week (F&F, September 4).
The two new tugs are to enter service in late 2013.
The LNG system by Linde-AGA Cryo comprises an 86 cubic meter LNG tank (22,700 gallons), two cold boxes and a bunkering system.
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Source: company announcements with Fleets & Fuels/HHP Insight follow-up