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...a new name ...a proud reputation in shipbuilding & repair shipbuilding & repair, inc. (formerly Bludworth Shipyard, Inc.) Capabilities — Complete repair facilities for inland and offshore marine equipment • new construction-petroleum barges • liquified petroleum barges • open hopper cargo barges • geophysical survey boats • oilfield supply vessels • harbor tugs • river towboats • offshore tugs • and customized vessels. For further information write or call: Newpark Shipbuilding & Repair P.O. Box 5426/Houston, Texas 77012 C713) 928-5051 A subsidiary of Newpark Resources, Inc. COMET PUMP SttYRE RVRTS Allis-Chalmers Aurora Buffalo Coffin Dean Bros. Fairbanks Morse Gould Ingersoll-Rand National Transit Pacific Warren Westco Worthington Write or call for complete information \ COMET MARINE SUPPLY CO. 157 PERRY STREET, NEW YORK, N.Y. 10014 TEL. (212) 675-8776 Ship Design Paper Attracts Wide Interest A paper on direct calculation methods in ship structural design presented by Lloyd's Register of Shipping at a recent international shipbuilding symposium, "Preparing for the Eighties," organized at Newcastle upon Tyne northeast England by Kongsberg Vapenfab- rikk of Norway, attracted international in- terest. The paper discussed the need for direct calculation methods to complement classifica- tion society rules for the design of new or specialized marine structures. The systematic analysis of the types of loads and the capability of structures were covered, together with failure modes and design criteria. The paper explained how, through procedural documents, such aspects as load intensities, modeling and design cri- teria levels were defined. These definitions would assist in the design of bulk carriers, containerships, tankers and ro/ro ships. A short discussion was included about ways of improving and defining future direct methods to include the tolerances asso- ciated with modern ship production tech- nology. Interest was shown, states Lloyd, by com- panies from the Far East, South America, Asia, West and East Europe, and Scandi- navia. The paper can be obtained by contacting the Hull Structures Department, 71 Fen- church Street, London EC3. Details and cop- ies of the Society's Procedural Documents are obtainable from Lloyd's Register's Print- ing House, Manor Royal, Crawley, West Sus- sex RH10 2QN, England. Dravo Corporation Appoints Larry Dyjak Larry Dyjak has been appointed superin- tendent of the combined pipe and mechanical department at Dravo Corporation's Engineer- ing Works Division. Previously, Mr. Dyjak was pipe shop superintendent for a year and a half. A graduate of Ryder College, Mr. Dyjak holds a Bachelor of Science degree and has been with Dravo since 1973. Dravo's Engineering Works Division oper- ates one of the nation's largest inland water- ways shipyards at Neville Island near Pitts- burgh, Pa., where it designs and builds a wide range of marine products. It is a leading manufacturer of towboats, barges and bulk materials handling equipment and systems. Warren Thomson Joins ITT Jabsco Products Warren Thomson has been named marine market specialist for ITT Jabsco Products, 1485 Dale Way, Costa Mesa, Calif. 92626, manufacturer of marine pumps and acces- sories. Mr. Thomson assumed his new position following four years' service with Wilcox- Crittendon, where he served as product devel- opment manager. New product development and market de- velopment and analysis are included in Mr. Thomson's responsibilities at ITT Jabsco Products. He holds a Bachelor of Science degree in mechanical engineering from the University of Connecticut, and had done post- graduate work in business administration. Battery-operated Barge Running S^m Ain Automatic Power barge running lights r 11 ^ are "ready-to-go" units for all types Sp ^ of unpowered barges. All running lights include an on-off switch, photocell, Saft AN-110 or Pri-Gel 350 batteries, lamp and port/starboard/stern sector screening. Lanterns are available with red, green, yellow and clear lenses. Types III and IV (60-night battery power) include a fiberglass, top-opening battery box and 4-place lampchanger. Type VI (210-night battery power) includes a galvanized steel, front-opening battery box and 6-place lampchanger. Types I, II, and IV are portable for easy movement from barge to barge as tow configuration changes. Call or write for literature and quotations. Penmalt >3 AUTOMATIC POWER Post Office Box 18738 « Houston. Texas 77023 • (713) 228-5208 Telex 76-2853 Agent & distributor for J 1 f* Saft Corporation of America 44 Maritime Reporter/Engineering News
