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Marinette Marine Delivers Last Of 52 Workboats A Year Ahead Of Schedule Marinette Marine Corporation's contract with the Naval Sea Sys- tems Command for fifty-two 50-foot workboats was completed one year ahead of contract schedule when the last workboat departed the Wiscon- sin-based shipyard in December of 1985 for delivery to the West Coast. One vessel per week has been deliv- ered to the East and West Coasts since November 2, 1984. The original contract for 28 ves- sels was awarded to Marinette Ma- rine in February 1984, and an option contract for 24 additional vessels was awarded in November 1984. The workboats are of steel construc- tion with an overall length of 50 feet, a beam of 14 feet 4 inches, and a full load draft of 3 feet 6 inches. The twin-screw craft is powered by a pair of 8V-71 GM engines. Marinette Marine Corporation, now in its 43rd year of operation, is a company of marine design engi- neers and shipbuilders specializing in the design and construction of defense related marine vessels, and high technology commercial craft. For further information on Ma- rinette Marine, Circle 7 ori Reader Service Card Copper Blast would like to dust off your blasting budget. Dust (shown here from silica sand) means lower cutting efficiency and visibility and increased health hazards and clean-up costs. COPPER BLAST (in use here) has very little dust, is low in free silica, cuts 30-50% better than lower-quality slag abrasives and up to four times better than many silica sands. We can tell you how much the dust in your present abrasive is costing and how much you can save by using COPPER BLAST. COPPER BLAST is a low free silica, low dust abrasive with a 30%-50% cutting advantage over lower-quality slags. It cuts up to four times faster than many silica sands. With COPPER BLAST, job time goes down and cost effectiveness goes up. The first step could be our COPPER BLAST Value Worksheet. Using your project figures, you can see how much dust particles — which do no work! — are costing you. We'll also show you how COPPER BLAST can save time and money on your jobs plus the results of laboratory tests on several kinds of abrasives. COPPER BLAST is manufactured in a new, high-tech plant and adequate supplies are always available throughout the West and Midwest. For your COPPER BLAST Value Worksheet, or for more infor- mation, call or write James D. Hansink, Manager, Construction Materials, Rocky Mountain Energy, 10 Longs Peak Drive, Box 2000, Broomfield, CO 80020. Or return the reader response card in this publication. Call toll-free: 800/525-8113. (In Colorado, call collect 303/469-8844). ROCKY MOUNTAIN ENERGY A Subsidiary of Union Pacific Corporation Circle 280 on Reader Service Card A. L. Don introduces the 'Next Step' in debarkation ladders... "ERIKII" Erik II" is a totally synthetic embarkation/debarkation ladder. This new and unique ladder is designed with steps you can replace quickly and easily, right on board the vessel. A specially designed mechanical clamp holds each step in place. So there is no need to unstring the ladder and there are no special tools required. Erik H" has successfully undergone drop tests as high as 95' (28.96 meters).. .the longest length synthetic debarkation ladder ever approved by the U.S.C.G. and meets or exceeds SOLAS and IMO standards as well. Each step will easily with- stand loads of 700 lbs. with less than %" of deflection. The ropes are polypro-dacron with a white outer jacket and orange inner safety core. "Erik II" is patented, available worldwide, and at prices far lower than those of competitors. Take the next step' and call for free literature, technical drawings and quotes. M Headquarters: A. L DON COMPANY Division olSteelstran Industries. Incorporated Foot of Dock Street, Matawan, NJ 07747 (201) 566-5040 • Telex: 139374 A.L.DON, WEST Roberton & Schwartz Sales Co., Inc. 722 Folger Ave , Berkeley. CA 94710 (415) 845-9336-Telex 176148 A.L. DON Circle 135 on Reader Service Card SAFETY AT SEA on Ships and Rigs CK-A60 MULTI-CABLE TRANSIT SYSTEM The Sigmaform CK-A60 Multi-Cable Transit System is designed to pass multi- ple cables from one com- partment to another and maintain fire, gas and water tight integrity. SIGMAFORM CORPORATION 2401 Walsh Avenue Santa Clara, CA 95051 (408)727-6510 Telex No. 546-335 P O. Box 515, Richboro PA 18954 (215) 322-4453 • * install first row of cables. install stay plate above first row. Install additional rows of cables and stay plates as required. completed CK-A60 MULTI- CABLE TRANSIT SYSTEM. Rambert Appointed Product Manager-Power Generation For Waukesha Engine Circle 320 on Reader Service Card Fred J. Rambert Fred J. Rambert has been ap- pointed product manager-power generation for Waukesha Engine Division, Dresser Industries, Inc. In this capacity, he will be responsible for Waukesha's power generation marketing activities worldwide. Mr. Rambert joined Waukesha Engine in 1977, and has served as senior application engineer. Prior to that, he was employed by Eaton Corporation and IBM. Waukesha Engine Division manu- factures heavy-duty diesel and gas engine for the petroleum, marine, off-highway equipment and power generation markets. CACI Awarded Coast Guard Contract To Design And Build Hyperbaric Chambers CACI, Inc.-Federal has been awarded a U.S. Coast Guard con- tract for the design and fabrication of two portable aluminum recom- pression chambers. The work will be performed at the firm's Alexandria, Va., facilities. The first unit will be deployed in May this year aboard the icebreaker Polar Star; the sec- ond will be assigned later. Free Color Brochure From Armco Describes Aquamet Shafting Line Armco Aquamet, a family of pro- prietary stainless steel boat shafting materials, is featured in a new, full- color brochure from Armco's Spe- cialty Steels Division, Middletown, Ohio. Descriptions of each shafting ma- terial—Aquamet 17, 18, 19 and 22— include each shaft's benefits and ap- plication ranges. The brochure de- scribes how the division's precision rotary forge, melting facilities, and shaft-turning equipment produce shafts up to 38 feet in length and up to 15 inches in diameter. A postage-paid reply card is in- cluded in the brochure for ordering complete boat shafting property, design, and application data. Also listed are Armco's Specialty Steels Division sales offices. To obtain a free copy of this new brochure, Circle 77 on Reader Service Card 6 Maritime Reporter/Engineering News
