Metal Structural Repairs
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March 2024 - Marine Technology Reporter page: 38using a computer-controlled battery ana- 15C, with no damage or loss of capacity. lyzer, such as the Computerized Battery Analyzer (CBA V), ? Nickel Metal Hydride (NiMH) batteries have high en- from West Mountain Radio (https://www.westmountainra- ergy densities, self-discharge rate of up to 30%/month
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March 2024 - Marine Technology Reporter page: 35perature effects on capacity only begin to show up after the Some battery chemistries, principally Nickel-Cadmium cells pass below 0°C. (NiCd) and Nickel Metal Hydride (NiMH), have recharge ? Lithium (Lithium-thionyl chloride, Li-SOCl2): These memory effects. The condition describes the way these bat-
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March 2024 - Marine Technology Reporter page: 33the TMC / Allseas and JAMSTEC 2022 pilot projects. They also hold a world record water depth for a producing riser sys- tem of 14,764 feet. Impossible Metals is developing a nod- ule collector, unlike other technologies, is untethered and hovers above the sea- bed, picking nodules with robotic arms. CEO
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March 2024 - Marine Technology Reporter page: 32FEATURE SEABED MINING by a sea? oor plume from its pilot collection system test. pact, nodule collection system that utilizes mechanical and The Metals Company recently signed a binding MoU with hydraulic technology. Paci? c Metals Corporation of Japan for a feasibility study on The company’s
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March 2024 - Marine Technology Reporter page: 30since then has been on scaling while en- wave, current and vessel motions that in? uence loads in the suring the lightest environmental impact,” says The Metals power umbilical. The LARS can operate in up to 3.5m wave Company CEO Gerard Barron. In-? eld collection system tri- height signi? cant. The physical
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March 2024 - Marine Technology Reporter page: 29. Only 2-8% of the sediment mass was detected 2m or higher above the seabed and hadn’t settled after several hours. “All indications to date point to polymetal- lic nodules having the potential to become one of the most responsible ways to help meet the world’s spiraling demand for met- als,” says GSR managing
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March 2024 - Marine Technology Reporter page: 17• Integrity assessment, and otherwise covered, e.g., by rock dump. As for depletion of • Mitigation, intervention and repair. sacri? cial anodes, this can be dif? cult or even impossible to Selecting the best method for collecting the data these work- estimate due to poor visibility, the presence of
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March 2024 - Marine Technology Reporter page: 16(CP), is ment strategy, normally consisting; used on all underwater structures that consist of two or more • Identi? cation of threats, touching metals, and therefore act like a battery in seawater, • Assessment of risk associated with the identi? ed threats, creating a current that causes consumption
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April 2024 - Maritime Reporter and Engineering News page: 29RADM PHILIP SOBECK, MILITARY SEALIFT COMMAND U.S. Navy photo by Bill Mesta/released U.S. Navy photo by Ryan Carter Rear Adm. Philip Sobeck, Commander, United States Navy’s Military Sealift Command, visits USNS Patuxent (T-AO 201) for a tour of the ship at Naval Station Norfolk, Va., November 20, 2023.
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April 2024 - Maritime Reporter and Engineering News page: 27RADM PHILIP SOBECK, MILITARY SEALIFT COMMAND With COVID, we had to make some hard choices for our Do your CIVMARs have upward mobility? mariners because we couldn’t rotate. Many of our mariners The Navy has Sailors who become “Mustangs,” and work found other employment, and were able to use their skills
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April 2024 - Maritime Reporter and Engineering News page: 22INTERVIEW WE ARE ENGAGED WITH MULTIPLE US OSW WIND DEVELOPMENTS AND SEEING AN UP-TICK FOR CVA, TECHNOLOGY REVIEW AND RISK REDUCTION SERVICES IN EARLY DEVELOPMENT PHASES. WITH NEW LEASE ROUNDS COMING AND NEW OPPORTUNITIES, WE DO NOT SEE A BIG SLOWDOWN FOR OSW DEVELOPMENTS APART FROM THE OBVIOUS
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April 2024 - Maritime Reporter and Engineering News page: 14Book Review Approach to Meeting Underwater Radiated Noise Limits Def ned By Raymond Fischer uantitative underwater radiated noise limits will construction inspections, 5) possible training with respect to be developed shortly by IMO, and/or countries salient design/construction essentials, 6) compliance
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April 2024 - Marine News page: 41, R.I., the 100-foot-long aluminum catamaran is owned and of the U.S. offshore wind industry, currently has vessels on order at Blount Boats as well as Metal Shark in Franklin, La. operated by A-O-S, a joint venture formed in 2020 by lead- www.marinelink.com MN 41
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April 2024 - Marine News page: 40Vessels General Arnold Chasse, La. The 32-inch CSD will immediately begin work on Phase Four of the Corpus Christi Ship Channel Improvement Project. The project will bene? cially reuse 100% of the dredged material removed from the channel deepening and widening. The General Arnold is the newest,
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April 2024 - Marine News page: 26Feature ECO Edison, the ? rst U.S.- Shipbuilding built wind farm service operations vessel. Ørsted U.S. SHIPBUILDING REPORT By Barry Parker If nothing else, building vessels in the U.S. is a com- handle), handling “…government and commercial work, plicated business. primarily newbuilds, but also
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April 2024 - Marine News page: 17OpEd Shipbuilding can industrial base. building, repairing, repowering and local communities at a time in which Second, the Congress must pri- maintaining ships, not to mention our maritime strength is needed more oritize stable and predictable budgets the massive supply chain that sup- than ever
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April 2024 - Marine News page: 16OpEd Shipbuilding U.S. Commercial Shipbuilding and Repair Industry Ensures American Strength at Sea By Matthew Paxton, President, Shipbuilders Council of America As Senator Roger Wicker force, the U.S. is falling behind. China, Korea and Japan of Mississippi once said, “Growth in commercial ship-
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April 2024 - Marine News page: 2Marine News April 2024 • Volume 35 Number 4 Contents Features 20 Navigation and Wind Farms 20 Competing ocean uses are raising existential questions. As the U.S. offshore industry continues to ramp up, many topics still need to be resolved By Tom Ewing 26 2024 U.S. Shipbuilding Report If
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February 2024 - Maritime Reporter and Engineering News page: 44Tech Files Latest Products & Technologies MarineShaft Yanmar Hydrogen MarineShaft specializes in urgent re- Fuel Cell AIP pair/replacement of damaged rudder and Yanmar Power Technology Co., Ltd. propeller equipment along with many (Yanmar PT), a subsidiary of Yanmar on-site repair services. MarineShaft
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February 2024 - Maritime Reporter and Engineering News page: 32REPAIR Photo Courtesy Marine and Industrial Transmissions ings to optimize load distribution. A large number of the incidents analyzed by Gard were attributed to ghost ? shing gear that enter the stern tube seal area causing seawater to contaminate the lubrication oil. A 2022 study by CSIRO scientists
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February 2024 - Maritime Reporter and Engineering News page: 31EAL AND STERN TUBE DAMAGES “Our recommendations “A good bearing are simple. Please design is have good control over important.” your oil quality in the primary barrier, the aft – Øystein Åsheim Alnes sealing system,” Head of section for Propulsion and Steering, – Arun Sethumadhavan DNV
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February 2024 - Maritime Reporter and Engineering News page: 30REPAIR Photo courtesy Marine and Industrial Transmissions STERN TUBE DAMAGE DECLINING? It might be easy to blame EALs, but the ongoing causes of stern tube damage are varied, and possibly declining. By Wendy Laursen nvironmentally Acceptable lubricants (EALs) gained market traction with the introduction
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February 2024 - Maritime Reporter and Engineering News page: 16THE PATH TO ZERO Methanol’s Superstorage Solution Technical inquiries to SRC Group ramped up after it received Approval in Principle (AIP) for a concept which ‘reinvented methanol fuel storage’ on board ships. Delivering the answers has seen technical talk converting into project discussions
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February 2024 - Maritime Reporter and Engineering News page: 11down to a smaller size, and especially a smaller width relieves waterfront infrastructure footprints and costs. that issue. One may argue that one human with a bigger truck These 5-foot wide units will zip through the city much faster can deliver more cargo than one human with a smaller truck, and