SAm The Hidden Asset PDF
Preview SAm The Hidden Asset
Submarine Cables the Hidden Asset Alasdair Wilkie Hibernia Networks Hibernia Networks 2013. Private & Confidential Before I Start Hibernia Networks © 2014 2 Agenda • A Little bit about me • The Submarine Cable Network • History • The position today • The dangers • The areas of concern and interest • Cable Systems • Legal Jurisdictions • Cable & Amplifiers • System Design • System Processes • Marine Repairs • Ongoing Preventative Maintenance Hibernia Networks © 2014 3 A little bit about me Started with submarine cables in 1985, worked in the terminals on UK-Belgium No 5. Worked in a variety of companies ranging from manufacturers, installers, consultancies through to developers and owners. Been involved with the following, System Design, Installation and Commissioning of systems on land and at sea, system maintenance etc. Have a keen interest in the history of cables Hibernia Networks © 2014 4 History of Cables • 1850 First cross channel telegraph cable • 1858 First transatlantic telegraph cable (failed) • 1865 First working transatlantic cable • 1939 First polyethylene coaxial cable • 1976 Highest capacity coaxial cable system in the world installed (ANZCAN) • 1980 First optical repeater installed (Loch Fylde, Scotland, BT experimental system) • 1986 First international optical system (UK - Belgium 5) • 1997 First optically amplified system installed Hibernia Networks © 2014 5 Evolution in the Atlantic 1850 - 2010 Hibernia Networks © 2014 6 Telecommunications Cables in Service 2014 Hibernia Networks © 2014 7 The Dangers to Cables (1) • Fishing − Bottom Fishing • Trawling – Beam – Otter (doors) • Scallop Dredging • Clam Dredging − Stow nets − Longlines − Bottom Gillnets Hibernia Networks © 2014 8 The Dangers to Cables (2) • Ships − Anchors − Piracy • Natural Phenomena − Earthquakes − Turbidity Currents • An Increasingly Crowded Seabed − Oil & Gas Exploration − Offshore Energy − Fish Farms − Deep Sea Mining Hibernia Networks © 2014 9 Areas of Concern and Interest 6 7 5 1 8 3 4 2 Hibernia Networks © 2014 10
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