The Northern Star
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- Advanced Gas Carrier Launched By Moss Rosenberg Maritime Reporter, Jun 15, 1980 #44
The 388-cubic-meter Northern Star, an advanced carrier designed to transport liquefied gases, was launched recently at the Moss, Norway, yard of Moss Rosenberg Verft AS. The ship was christened by Mrs.
Martha Foght, wife of the managing director of Du Pont (U.K.) Limited, London, the vessel's owner.
Built to Lloyd's Register of Shipping classification + 100A1 Liquefied Chlorine Carrier, the ship has an overall length of 64.50 meters, beam of 10.25 meters, depth of 4.50 meters, and draft of 3.20 meters (211.6 by 33.6 by 14.8 by 10.5 feet).
The ship has been built to rules and recommendations of IMCO Code for Construction and Equipment for Ships carrying liquefied gases in bulk, including all relevant amendments and special tentative requirements for chlorine.
The main engine is a Normo diesel type LDM-8 developing 1,875 bhp at 750 rpm.
Speed at loaded draft is 11.3 knots. The engine is coupled to a Hjelset controllable-pitch propeller via a Volda/Liaaen reduction gear.
Propeller speed is 294 rpm at 750 rpm on the engine. A transverse propeller is fitted in the bow, and the ship has an emergency diesel/electric plant that will provide a "takehome" speed of 7 knots.
The wheelhouse and cargo control room are designed as a gastight emergency survival compartment for the crew. It is equipped with comprehensive rescue and survival gear such as separate air and oxygen supply and a special first aid station.
A compartment for a chlorine absorbtion plant, including a tank for caustic soda, is arranged forward. The ship is built with one cargo hold containing one independent, cylindrical cargo tank with a capacity of 388 cubic meters. A cofferdam is installed between the cargo hold and engine room. The double bottom and side cofferdams extend from aft peak bulkhead to the forward end of the caustic soda tank.
A crew of 10 is accommodated aft in fully air-conditioned quarters. There are singleberth cabins for all crew members, offering a high standard with particular attention to sound insulation.
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