Subsea 7 – Seven Polaris

Pipe Lay Crane Vessel

Man hours: 1,100,000 man hours

May 2012 – 14 weeks.

  • Extensive repairs and modifications during her 30 year SPS
  • Fabrication & Repair of 150 tons of steelwork.
  • Over 3500m of cooling water piping systems.
  • Main & Aux engines exhaust insulation and cladding
  • Complete overhaul of 4 x 40ton RR Azimuth thrusters.
  • Complete overhaul of 2 x bow & stern thrusters.
  • Overhaul of 4 x Ulstein Bergen thrusters engines.
  • Wartsila and GM generator engines.
  • Volvo hydraulic power pack engines.
  • Repairs of the main 1600ton Clyde crane winches.
  • Hydraulic repairs to 2 x Manitowoc crawler cranes.
  • Refurbishment of 2 x ROV Launch & Recovery “A” frames.
  • Hydraulic system upgrades and modification.
  • 92 electric motor overhauls of various sizes, main alternators, bow & stern thruster motors (1,400KW).
  • Overhaul of switchboards & crane boom flood lighting.
  • The installation of a new 120 ton winch on the main deck

Hull fenders were fitted with new wood.

 

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  • Subsea 7 – Seven Polaris
  • Subsea 7 – Seven Polaris
  • Subsea 7 – Seven Polaris