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Westerschelde 02 March 2012 |
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Name |
SEVEN ATLANTIC |
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Type |
Diving support vessel - ROV |
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IMO-number |
9419125 |
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Call sign |
2CBP2 |
|
Flag |
Isle of Man Government - United Kingdom |
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Port of registry |
Douglas |
|
GT |
17.496 t |
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DWT |
11.885 t |
|
NT |
5.248 t |
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Length |
144,79 m overall |
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Breadth |
26,00 m moulded |
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Draught |
7,00 m |
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Depth |
12,00 m to maindeck |
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Speed |
Full transit speed: 15,5 knots Normal transit speed: 13,6 knots Economical speed: 12,0 knots |
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Built |
2010 |
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Launch date |
26.07.2008 |
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Date of completion |
29.01.2010 |
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Builder |
IHC Merwede Scheepswerf |
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Yard number |
713 |
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Hull material |
Steel |
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Main engines / Generators propulsion |
6x 3.360 kW (Diesel Electric) 3x 2.950 kW stern azimuth thrusters 2x 2.400 kW retractable bow azimuth thrusters 1x 2.200 kW bow tunnel thruster total thruster power 15.850 kW |
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Cargo deck |
Deck Area (main deck): 1.200 m² Deck Strength: 10 t/m² |
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ROV Systems |
The vessel is fitted with two permanently installed moonpool launching eyeball ROV heave compensated systems rated to 1,200 metres. The vessel can be fitted with an additional workclass and observation class ROV on deck. The survey suite will include a current profiler and heading reference system |
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Diving System |
The 24-person saturation diving system includes four 3-man twin lock living chambers, two 6-man twin lock decompression chambers and two horizontal transfer under pressure chambers, (chambers are 2,40 m internal diameter) 54.000 m³ of gas storage and up to six split levels of saturation storage. The system is designed for compliance with Norwegian NORSOK requirements, and features much improved living conditions compared to previous systems. Two Hyperbaric Life Boats are provided (one port and one starboard). The bells have 7,0 m³ internal capacity and are launched through two athwart-ships moonpools, positioned near the minimum motion point of the vessel. There are two fully integrated air diving systems, including chambers, one port and one starboard. A comprehensive system of mechanical handling aids is fitted to support saturation and air diving operations, including port and starboard T bars, A-frames, hose reels, tugger winches and umbilical management hoop booms (20,00 m reach from ship side) |
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Heckle
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Helideck of aluminium construction suitable for regular operations of S61 and S92 helicopters and equipped with a fixed foam fire fighting system in accordance with CAP 437 |
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Tank capacities |
Marine gas oil: 2.289,73 m³ Fresh water: 1.051,59 m³ Ballast water: 4.736,67 m³ Heeling tanks: (55%) 663,80 m³ Stabilising tanks (operational): 600 m³ Technical fw/ waterballast: 135 m³ Low sulphur diesel oil: 135 m³ |
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Lifting equipment |
Main deck heave compensated crane - SWL 120,0 t at 16,00 m Whip line - SWL 24,0 t at 32,00 m Two provision cranes - SWL 2,50 t at 12,00m Auxiliary deck crane I & II - SWL 10,0 t at 14,00m |
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Life saving appliances
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Four davit launched lifeboats 75 persons each Twelve life rafts 25 persons each One life raft 10 person Two hyperbaric lifeboats 18 persons each |
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Accommodation |
150 persons Captain class cabins: 6 Officer: 5 Single cabins: 9 Double cabins: 65 All cabins with own private facilities One 2-berth sick bay |
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Communications Systems
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The vessel is fitted with Inmarsat Fleet 77 and KU Band systems. The KU Band system has the option to be converted to C Band as operational requirements demand. Extensively equipped operations and client office suites; IT network and facilities / video conferencing |
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Manager |
Subsea 7 International Contracting United Kingdom |
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Operator |
Subsea 7 |
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Owner |
Subsea 7 |
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Latest data adjustment |
11 March 2014 |