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New $30-Million Graving Dock For Electric Boat Division Gen-eral Dynamics has announced the award of an approximate $30- million contract to Morrison-Knud- sen Co. Inc. of Boise, Idaho, to con- struct a pontoon graving dock at its Electric Boat Division's shipyard in Groton, Conn. The new graving dock, 'believed to be the first of its kind ever built, was developed by Electric Boat Division engineers. Approximately 583 feet long and 102 feet wide, the graving dock is part of a new submarine fabrication and assembly facility being built at the Groton shipyard and can be used for launching and drydocking submarines. A pontoon launching platform, within the graving dock, will be used to launch submarines. North and south of the graving dock basin will be pier walls, each more than 100 feet wide, where ship construction can be completed prior to launching. The new facility, when fully operational in about two years, will enable General Dyna- mics to construct the largest sub- marines presently contemplated and will substantially increase its submarine production capacity. Detailed engineering work on the new facility is being done by Ralph M. Parsons Company of Los An- geles, Calif. O In addition to the new dock, the company is also building an en- closed submarine fabrication and erection area directly east of the graving dock. That building will be 490 feet high, 260 feet wide, and will provide year-round protection for submarine construction. Work is being performed by Gilbane Building Company of Providence, R.I., under a $14-million contract. Sectionalized construction of the submarines will be accomplished in the enclosed manufacturing areas. The sections will then be moved from the concrete assembly plat- form and onto the pontoon launch- ing platform. 'General Dynamics currently has contracts to build 18 of the high- speed 688 (Los Angeles) Class sub- marines for the Navy. Arnessen Marine Relocates Office Egil Arnessen, president, has an- nounced the relocation of Arnessen Marine Systems, inc. to 500 Fifth Avenue, New York, N.Y. Accord- ing to Mr. Arnessen, the steady in- crease in the firm's business made it necessary to enlarge its staff, re- sulting in the need for larger facili- ties. Arnessen Marine Systems, Inc., represents well-known manufactur- ers of marine equipment, i.e., Sie- mens A.G., Anschutz & Co., Hat- lapa, Svenska Flaktfabriken, Kel- vin Hughes, A/5 Atlas, Demag- Lauchhammer, as well as repre- senting the Blohm & Voss Ship- yard for new construction and tur- bines. In addition, Fuji Electric Co. recently appointed Arnessen to rep- resent their Marine Division for the purpose of marketing their equip- ment for installation on board ships being built in Japan. Arnessen Marine Systems, Inc., a member of The Arnessen Corpor- ation Group of Companies with affiliated offices in London and Tokyo, is managed by Joachim Werner, vice president. Rothschild Washington Stevedoring Company Appoints P.C. Bradfield Rothschild Washington Steve- doring Company has announced the appointment of Peter C. Bradfield as resident manager, Tacoma, Wash,, for Rothschild. Mr. Bradfield has been with Rothschild Washington Stevedor- ing Company for approximately five years and has been stationed in Tacoma for the past four years. Prior to joining Rothschild, Mr. Bradfield sailed as a deck officer with Lykes Bros, and American Mail Line. He is a graduate o'f Cali- fornia Maritime Academy, having graduated at the top of his class. Mr. Bradfield is a local resident of Tacoma and active in the Ta- coma Propeller Club. Rothschild is the pioneer steve- dore in Tacoma, having operated an office in the port for over 75 years. 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