Offshore Cable Installation November 2010 John Davies Global Marine Systems Limited
Services and Markets - Overview Both directly and through our Partnerships & Joint Ventures, we offer a wide range of services in several markets Submarine telecommunications cable Turnkey submarine cable systems installation & maintenance Network planning and design Subsea power cable installation & Subsea route planning and survey maintenance Permitting & Offshore Liaison Cable storage and logistics Cable joint development ROV and plough services, Charting Equipment leasing Subsea technology training Undersea research equipment installation & maintenance Oil and Gas Support Services to complement IRM and Installation / Repair / Removal of SURF components. and engineering Decommissioning support and assets to for the Subsea removal of seabed infrastructure. Trenching Services and Plough assets for both installation and reburial.
Mission Statement To be the first choice provider of global offshore marine engineering services, recognised by our customers for our commitment to quality in everything we deliver.
Together lets learn from experience We have been installing power cable in offshore wind since UK Round 1 C.S. Great Eastern:1866 Offshore wind may be relatively new, but we have been installing cable under the sea for well over 160 years Many of the processes and project management issues are similar in both Telecommunications & Offshore Power Cable tank in C.S. Great Eastern Source: Smithsonian Institution Libraries 4
Energy - Overview We are the market leader for the cabling element of offshore wind farms, comprising the interturbine connection cables & export cables to shore. Major new entry into growing Offshore Wind Farm market. One of the only contractors in the world with significant experience in this market. Wind Farms are seen as crucial to meeting the power needs of the UK & Europe. Building latest generation of marine engineering, jobs and power infrastructure here in UK. Our area of expertise is in the project design, installation, burial and eventual maintenance of array cables, export cables and inter-connectors. 5
An Explanation Export Cable Array Cable Image source: BWEA Interconnectors are those systems that join countries. Eg. Britned Britain to Netherlands. 6
In short, we bury cable: our vessels & equipment are somewhat different than what you normally see in offshore wind photos 7
Global Marine Systems: Subsea Power Cable Installation Specialists Beatrice StatoilHydro Gjoa Horns Rev Horns Rev 2 Barrow Alpha Ventus Nord Eon 1 Sheringham Shoal BritNed Gunfleet Sands London Array Kentish Flats Q7 OWEZ Our area of expertise is in project design, installation, burial and maintenance of inter-field cables, export cables and inter-connectors. At the forefront of the alternative energy market for several years, specifically offshore wind Experience at many of the world s largest offshore projects 8
Energy Projects complete Horns Rev Installation and burial of 80 in-field cables on one of the largest offshore wind farms. Kentish Flats One of the first major offshore wind farms operating in the UK, providing power from the Thames Estuary to the coast in Kent. Global Marine Systems installed and buried 3 export cables and 27 inter-array cables. Beatrice Wind Farm The installation and burial of the cables connecting the world s first two offshore 5MW turbines and the Beatrice Alpha production platform. EstLink A HVDC inter-connector link between Estonia and Finland comprising of some 77 kilometres of bundled power cable, installed and buried by the CS Sovereign. Barrow Wind Farm Remedial work carried out on the inter-array cables using the CS Sovereign and the Atlas 1 trencher ROV. OWEZ Wind Farm Reburial of the export cables and the inter-array cables using the CS Sovereign and the Atlas 1 trencher ROV. Horns Rev 2 Successfully completed the installation and burial of all the 91 inter-array cables using two cable lay barges namely the Pontra Maris and the Stemat 82. 9
Energy Projects under construction NordE. ON1 The installation and burial of the 110kms HVCD wind farm export cable in Germany using the Team Oman to install the cable and the Excalibur trenching system for post lay burial. Completion is due in Art 2010. BritNed The power inter-connector cable between the UK and The Netherlands is currently being installed by Global Marine Systems Energy. Utilising the Team Oman and the North Ocean 102 to install the bundled HVDC system. The cable is being buried by the Excalibur trenching system. Completion is due early Q3 2010. StatoilHydro Gjøa A HVAC system form the Norwegian mainland to the Gjoa floating production platform. The North Ocean 102 has completed an extensive mobilisation programme and will lay the cable in Q1/Q2 2010. London Array Signed 4th Feb 2010. Global Marine has been chosen to install the 175 inter-array cables of the world s largest and most prestigious offshore wind farm project to date. Due to the range of water depths we shall be utilising cable installation barges and DP2 installation vessels for this work. The work is due to start in July 2011 and will be completed by July 2012 10
Portland UK Marine Base We run a ROV Training School, operate a state of the art cable depot and operate our subsea equipment from our Portland, Dorset, UK base.
Cable Tank House
Portland Subsea Training School 13
Port Facilities Horns Rev 2 14
Port Facilities Horns Rev 2 Cable Storage 85 Turbines, london Array 175 and West of Isle of Wight similar amount 2 Campaigns storing 40 at a time on shore 30T ea @ 650 metres 15
Port Facilities Horns Rev 2 Additional items J tube extension pieces, mattresses, equipment / Ploughs / Trenchers 16
Port Facilities Operations HR2 2 Barges plus 2 AHT ea Oil Express CS Sovereign 1 x Windcats 1 x crew transfer cutter 200 people at any one time 17
Inter Array Installation 18
Port Facilities Supply Chain Complete Logistics Support on Site offices, freight forwarding, stevedore, canteen, craneage, tugs, transportation, storage, bunkering, berths,agents, field control office. Wider Business Cluster welding, hydraulics, machining, fabrication, electricians, consumables, chandlers, personnel, training, transport (cars, buses, train) 19
Thank You 20