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SAN DIEGO SECTIQ M SS * »* \ * t a i ^J l,t 'f I I 9 w I " Voht » Nnz-P/ZD&A31 JVZT A /VOT/^/l P£T/VOV C/ZCVLA7DK" SNAME SAN DIEGO SECTION MEETS: The regular monthly meeting of the San Diego Section of The Society of Naval Architects and Marine Engineers was held at the San Diego Yacht Club on November 18, 1970. Following dinner, a technical paper entitled "Explosion Bonded Materials for Marine Structural Applications" was presented by Charles R. McKenney and John G. Banker of DuPont De Nemours and Company, Inc. The paper, backed up by slides, discussed the problems and applications for marine use of explosion bonded material. This method of bonding aluminum to steel proved to be of great interest to the attending members and their guests. A question and answer period was conducted afterward by Mr. McKenney and Mr. Banker. Pictured at the meeting, from left to right: Thomas S. Hand, Jr., vice chairman; C. Sinclair, chairman; John G. Banker, speaker, Charles R. McKenney, speaker; David Rodger, papers chair- man, and G.A. Uberti, secretary-treasurer. Atlantic Research Gets $223,500 Contract For Harbor Patrol Craft A combination fire-fighting harbor- patrol boat is to be built for the San Diego Unified Port District. The $223,500 contract was awarded the Atlantic Research Corp., a division of the Susquehanna Corp., Santa Ana, Calif. The vessel, measuring 42 feet long and 12 feet wide, will be powered by three GM diesels. Over 18,000 pounds of aluminum sheet and plate will be used in the hull, superstructure, and deckhouse. In order to create a small- er wake the hull will have an in- verted "V" shape. The second quar- ter of 1971 is the scheduled time of delivery. Breit Engineering Accredited To Certify Shore-Based Devices H.E. Breit Jr., president of Breit Engineering, Inc., New Orleans, La. has announced that his firm is now accredited by the U.S. Depart- ment of Labor for certifying shore- based material handling devices, including floating cranes and der- ricks, anywhere in the United States. Tests and examinations will be conducted by the marine sur- veying staff. Inquiries may be directed to Breit Engineering, Inc., 441 Gra- vier St., New Orleans, La. 70130, Attention W.J. Galatas, Chief Sur- veyor. Telephone: (504) 524-3575. NEW YORK PORT ENGINEERS: The Society of Marine Port Engineers, New York, N.Y., Inc., met on November 18 at the Commuters Cafe and Restaurant, New York City. A cocktail hour and dinner preceded the technical session. Lee Clark, accounts supervisor, Texaco International, marine sales, sponsored a paper entitled "Developments in the Pratt & Whitney Aircraft FT4 Marine Gas Turbine Power Pac and its Application in Container Ships," which was presented by Carl Mere, of Pratt & Whitney Aircraft. Shown above, left to right: Lee Clark, John C. Fox Jr., president of the Society; Edward English, chairman, entertainment and program committee; Carl Mere, author; Joseph Thelgie, chairman of the board of directors, and Philip A. Donahue, 1st vice president. 26 Maritime Reporter/Engineering News Bethlehem Beaumont Shipyard Launches 31,000-Dwt Unmanned Oceangoing Barge The Ocean 250 slides down the ways of Bethlehem Steel's Beaumont, Texas, shipyard. Two similar barges for Interstate Marine are on order at the Bethlehem yard. What is believed to be the largest unmanned oceangoing tank barge ev- er constructed was launched on No- vember 20 by Bethlehem Steel Corpo- ration's Beaumont yard. Named the Ocean 250, the huge steel barge was designed by George Drake Jr., naval architect of Port Washington, N.Y., and is owned by Interstate Marine Transport Com- pany of Philadelphia, Pa. The Ocean 250 has a deadweight of 31,000 long tons, or about twice that of the conventional T-2 tanker, the World War II standard. The largest tank barge heretofore con- structed according to available rec- ords was a 30,000 tonner. Overall length of the Ocean 250 is 546 feet, breadth 85 feet, and depth 40 feet. It has a capacity of 255,000 barrels at a draft of 32 feet. A 40-foot-deep notch is provided at the stern of the barge together with adjustable skegs to permit either tow- ing or pushing. According to Interstate Marine Transport, the big barge will normal- ly operate out of Marcus Hook, Pa., carrying refined petroleum products for the British Petroleum Company and serving Portland, Maine, Provi- dence, R.I., Boston, and New York City. Classed by the American Bureau of Shipping as an A-l Tank Barge, Ocean Service, Unmanned, the Ocean 250 is also certified by the United States Coast Guard for grade A Pe- troleum Products, Oceangoing Serv- ice. Bethlehem Steel's Beaumont Yard has two similar huge barges on order for Interstate Marine Transport and another tank barge, almost as large, is on order for Sabine Towing and Transportation Co., Inc., of Port Ar- thur, Texas. The Sabine Towing Co. is a subsidiary of Chromalloy Amer- ica Corporation. The Ocean 250 has four 4500- GPM deep-well pumps with GM die- sel drives serving 12 epoxy coated tanks. A hydraulic power system will handle the anchor windlass, hose booms port and starboard, eight mooring winches and five capstans for line handling. Each cargo pump engine is pro- tected by weatherproof enclosures. The electric generators and hydraulic power unit are enclosed in a small en- gine house. An air-conditioned office is also provided.
