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Bender To Offer New Ice-Class Anchor Handling Tug/Supply Vessel Bender Shipbuilding and Re- pair of Mobile, Ala., recently en- tered into an agreement with Cleaver and Walkingshaw Ltd., naval architects of Vancouver, B.C., which permits the Gulf Coast yard to offer the proven "hostile" class design to the American Offshore Service indus- try for construction at its Ala- bama facility. The 11,200-hp anchor handling tug supply vessel design is a product of Arctic Offshore De- sign Ltd., a subsidiary of Cleaver and Walkingshaw. The company specializes in de- signing vessels for the oil explo- J I" 11 K 1 * 1 .-il— I c mmm 1 For years Engelhard has been meeting the challenges of the sea head on Its Capac R system provides reliable impressed current corrosion protection for thousands of vessels from tugs to VLCC s as well as tor offshore rigs The Chloropac R system with its efficient modular design provides continuous fouling control through electrolytic hypochlorite generation from sea water. CapacR (Cathodic Protection Automatically Controlled") Extends period between dry doc kings Lowest installed cost Reduces fuel costs Less p.Jinting and hull maintenance Simple operation controls corrosion even under varying hull coatings, speeds and water cond tions Maritime Regulatory Agency and Classit cation Society approval Suitablefor I any type vessel » » or offshore rig Backed by Engelhard the only com pany in the world to design and manufacture components and refine its own prei;i< >us metals for anodes The permanent answer to short term s;icrificial anodes and 0 special coatings \J/ 5 yjfei/. than ' part per million hypochlorite Eliminate"-, roding heat exchangers Water boxes and sea chests stay clean Surface condensers main- tain heat transfer rate and reduce fuel con sumption Keeps piping clean reducing fouling induced erosion corrosion 5 year warranteed cell lite* Find out how you can go to sea safely and economic ally with Engelhard Systems Call (201) 964-2766 or write for information and no-obhga- tion evaluation assistance. ENGELHARD INDUSTRIES DIVISION 2655 U.S. ROUTE EE, UNION, NJ 07083 Pro-rated replacement charge based upon current cell selling price and time rema ning in 5-year warranty period ChloropacR Contrcils marine ftjuling with treatment cif less ration industry, with emphasis on the Eastern Canadian and Lower Arctic regions. Arctic Off- shore has thus far designed hos- tile environment boats such as icebreakers, seismic research ves- sels, geotechnic vessels, and ice- class oil tankers. The company also has consulted on designs for companies such as Husky Oil Op- erations, Dome Petroleum, the Government of Chile, and Cana- dian Marine Drilling, Ltd. However, the company is best known for its innovative design of the Arctic Class 3-4 research vessel Canmar Kigoriak. Bender president Tom Bender Jr., commented: "Cleaver and Walkingshaw is a company given to turning owners' requirements into realistic designs. In this par- ticular instance, we are very excited about offering our Amer- ican customers an outstanding 'hostile' environment vessel for which we see a substantial need in the not too distant future." Arctic Offshore's "hostile" class design has several distinct fea- tures, such as: four-engine re- liability and heavy fuel-burning capability; economical fuel con- sumption by using two engines for normal cruising speed; an approximate 123-long-ton bollard pull; three side thrusters — two bow at 800 bhp each and one in stern/skeg at 800 bhp; joystick control; FIFI II optional offshore firefighting equipment; wheel- house control of cargo unload- ing; and no fuel against the side shell. Other distinctive design fea- tures include: enclosed anchor handling winch and reels for pro- tection from icing; deck cargo capacity of 1,230 long tons; max- imum cargo deadweight of 2,460 long tons; optional survivor res- cue package; and design compli- ance with the Arctic Waters Pol- lution Prevention Act for Type A vessels. Mr. Bender continued: "This forward-thinking design will yield an advanced, economical unit for the oil industry. Cleaver and Walkingshaw has met the chal- lenge of a precarious frontier with innovation, cost-effective naval architecture and superior marine engineering. "We at Bender Shipbuilding and Repair Company are pleased with our association with Cleaver and Walkingshaw, and feel con- fident that the 'hostile' class de- sign enables us to offer one of the most economic and advanced ice-classed vessels to the in- dustry." The vessel is 235-feet long overall, with a beam of 52 feet 6 inches, a depth of 24 feet 6 inches, and a draft of 20 feet 6 inches. The cargo deck area is 124 feet 6 inches by 41 feet. The design calls for two main propulsion engines producing 11,300 hp, driving two cp pro- pellers set in nozzles. Two cp 800-bhp electric drive bow thrust- ers and one stern thruster are in- corporated to aid in maneuver- ing. The vessel has a range of 25 days/9,000 nautical miles at 12 knots. Maximum speed is 16 knots. The new design provides ca- pacities of 264,000 U.S. gallons of fuel oil; 26,500 U.S. gallons potable water; 317,040 U.S. gal- lons ballast water; 1,900 barrels liquid mud; and 10,600 cubic feet dry mud. Accommodations are provided for 14 crew in sin- gle cabins and 8 passengers in two and four bunk cabins. The deck machinery includes a hydraulic 275-ton enclosed tow- ing anchor handling winch; a 6-foot 6-inch by 15-foot stern roller; two 15-ton capstans; two 10-ton tugger winches; and two 3.25-inch gypsies/chain lifters. Model of the 235-foot-long ice-class offshore service vessel offered by Bender Shipbuilding. 18 Write 484 on Reader Service Card Maritime Reporter/Engineering News
