ABS Holds Seminar On Tanker Designs Of The Future

ABS recently held a seminar on "Tanker Designs for the 21st Century" in Houston, Texas. The seminar was kicked off with opening remarks by ABS chairman Frank Iarossi and was followed by presentations from representatives of three shipping companies (BP, Chevron and Arco Marine), the Coast Guard and ABS.

The structural maintenance of aging VLCCs was addressed by D.T.

Melitz and his associates from BP Shipping in a paper entitled "Structural Performance Management of VLCCs—An Owner's Approach." The paper included a history of analytical studies and the development of a maintenance program for five VLCCs built in the mid-1970's.

J.W. Kimble addressed the subject of double-hull tankers and included the experience Chevron has had with the double-hull tankers operated by the company. Mr.

Kimble discussed Chevron's philosophy with respect to maintenance, inspection and repair in the design of double-hull tankers.

Commander L. Doyle and H.P.

Cojeen of the U.S. Coast Guard discussed the Oil Pollution Act of 1990 (OPA 90) and international requests related to regulations for double-hull tankers and answered related questions on the mid-deck tanker design as an alternative to the double-hull tankers.

D. Sucharski of Arco Marine discussed the experiences that his company has had in dealing with slamming events on its 190,000-dwt tankers.

In a related subject, Dr. Jack Spencer of ABS discussed the new ABS Dynamic Loading Analysis criteria for analyzing loads on structures caused by movement of liquids in cargo tanks. Dr. Spencer also described the ABS Hull Structure Rule Restatement project which is underway, of which the first edition will discuss double-hull tanker design criteria.

Maritime Reporter Magazine, page 41, Apr 1992

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