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Seven Sisters


Seven Sisters

Seven Sisters seen here in the Port of Sunderland (North East England) on 3rd June 2009.

Shiptype   Platform Supply Ship - Multi Role Service Vessel (MRSV)    

Owner/Operator: Siem Offshore AS - Norway - full specs @ http://www.siemoffsh...ault.aspx?ID=41
Being operated by Subsea 7 - subsidiary of Siem Offshore AS

Built: 2008-06 'Crist' Sp z oo - Gdansk (Hull) Yard/hull No.: (319)
2008-06 Kleven Verft AS - Ulsteinvik Yard/hull No.: 319
Standard design:MT-6016L; Hull Material:Steel; Hull Connections:Welded; Decks:1 dk; Bulbous bow; FS Ice Class 1C

Length Overall   103.700  
Length (BP)   96.800
Breadth Extreme   19.740  
Breadth Moulded    19.700
Draught   6.145  
Depth   7.700
Gross   5,275  
Net   1,582
Deadweight   4,665  
CGT   9,344
Formula Deadweight   6,482

4 diesel electric oil engines drivingeach a.c. connected to 2 electric motors of (2,200kW) integral to driving 2 Azimuth electric drive units
Total Power: Mcr 8,632kW (11,736hp)
Max. Speed: 16.00kts, Service Speed: 12.00kts
Design: Caterpillar, Engine Builder: Caterpillar Inc. - Peoria, Illinois
4 x 3516C, 4 Stroke, Single Acting, Vee
16 Cy. 170 x 215, Mcr: 2158 kW (2934 hp) at 1800 rpm
Thrusters: 1 Retract. directional thruster (f) 880kW(1,196bhp) , 2 Tunnel thruster (f) 1,050kW(1,428bhp)