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Inside our giant drydock at San Francisco Spacious safety decks at the 68-ft level in both wingwalls house the pumps, motors, substations, and other equipment.They are compart- mented by watertight bulkheads. Control of pumps and flooding for all 40 ballast compartments through banks of buttons and indi- cators is centered here in the con- trol house atop the west wingwall. Each wingwall carries a 60-ton crane with 90-ft boom. Centerline lift with spreader bar: 120 tons. Services include compressed air, oxygen, acetylene, steam, salt and fresh water, sew- age lines, AC/DC power, P.A. and phone circuits—all with numerous outlets. Strong lighting is provided throughout. New dock can lift 65,000 tons and accept a vessel of max 150-ft beam and 31 -ft draft. Pontoon is 20 ft deep, has 800-ft-long unobstructed deck—plus two 50-ft, grate-type aprons. Its 2,000 pumping hp can lower and raise the unloaded dock in less than 40 minutes. 65,000 tons lifting capacity makes this the largest floating drydock in America. It is also the country's newest, and incorporates every possible control and service feature to make its operation the most efficient in the business. Built by our San Francisco Yard, the dock is ready to take on the supertankers. Most of those in the 150,000-dwt class, and some as large as 230,000 dwt, can be handled in this new dock, which has an over- all length of 900 ft and a breadth of 150 ft between wingwalls. SEVEN FULL-SERVICE REPAIR YARDS Bethlehem repair yards on the West, Gulf, and East coasts of the United States offer complete repair service to ships of every type and class. Dry- docking, periodic surveys, damage repairs, engine and boiler work. You name it, Bethlehem can do it. BETHLEHEM STEEL Shipbuilding General Offices: 25 Broadway, New York, NY 10004 Telephone: 212344-3300 Cables: BETHSHIP • June 1, 1971 .A 39
