Sea Technology

MAR 2018

The industry's recognized authority for design, engineering and application of equipment and services in the global ocean community

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www.sea-technology.com March 2018 | ST 29 Netherlands Workshop Receives DNV GL Approval AEGIR-Marine's new workshop received approval from DNV GL, making it the first brand-independent ser- vice provider in the Netherlands with an approved work- shop for repair and maintenance of propulsion systems. Workshop approval includes the quality of maintenance on propulsion systems, workplace routing, workplace safety, hazardous substances handling and risk manage- ment. The workshop allows AEGIR-Marine to perform spin tests, running and simulating propeller and thruster speeds in real time. Dynamic Underwater Laser Mapping Technique Developed for ROVs Newton Research Labs Inc. and Sonardyne Interna- tional Ltd. completed tests to integrate Newton Labs' underwater laser scanners with Sonardyne's acoustically aided inertial navigation system for underwater vehicles, SPRINT-Mapper. Newton and Sonardyne entered into a formal collab- oration in late 2017 to develop and promote dynamic underwater laser mapping, a rapidly emerging survey technique that significantly reduces the time needed to carry out inspections using underwater vehicles, includ- ing ROVs and manned submersibles. Now, an underwa- ter vehicle fitted with a Newton underwater laser, is able to capture high-density point clouds of subsea assets and environments while on the move. The milestone paves the way for greater adoption of mobile laser mapping technology to survey seafloor sites and subsea structures. Cornish Company Receives First Grant Issued by Marine Challenge Fund Marine-i, an EU-funded program to boost the marine technology sector in Cornwall, made its first grant award to Triskel Marine, a technology company that recently moved to the Marine Enterprise Zone in Hayle, Cornwall. Enterprise Zones are designated areas across England that provide tax breaks and government support for new and expanding firms. The grant, the first from Marine-i's Marine Challenge Fund, has enabled Triskel to build a comprehensive hybrid test rig for a new hybrid ener- gy product, which the company expects to unveil at a launch event in the U.S. in fall 2018. Stern Tube Seal Repair in Antwerp Uses Flexible Mobdock Instead of Drydocking Hydrex diver and technician teams carried out an un- derwater stern tube seal repair on a tanker berthed in Antwerp. The ship was suffering from an oil leak, mak- ing an on-site repair necessary. Using a Hydrex flexible mobdock, the team was able to make the repair on site underwater. The operation started with a thorough under- water inspection of the stern tube seal assembly, which revealed that a rope and a fishing net were entangled around it. Both were removed by divers, and the team then removed and replaced the three damaged seals. ST

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