Norwegian Offshore ROV-Survey Vessel

By Keith Henderson at October 20, 2011 07:45
Filed Under: General


Earlier this summer, GC Rieber Shipping, Norway took delivery of a new survey vessel, MV Polar King  from shipbuilder CNP Freire, Spain. The vessel is designed to service offshore oil/gas platforms and has an ICE-C classification and a ROV capability.


image credit: MAN Diesel & Turbo
Caption: Norwegian Offshore ROV-Survey vessel Polar King is a Norwegian bureau Skipsteknisk ST-254L CD design.

The vessel is a Norwegian bureau Skipsteknisk ST-254L CD design. It has an LOA of 363 ft (110.6 m), beam of 66 ft (20 m), draft of 20.3  ft (6.2 m) and deadweight of 5500 t. In addition to the cargo capacity of approximately 10,000 ft2 (925 m2), there is accommodation for up to 120 persons.

A diesel electric propulsion system comprises six MAN 9L21/31 diesel engines of 210 mm bore and 310 mm stroke, each with a power output of 1,980 kW at 900 r/min, giving a total power of 11.8 MW. This provides a top speed of about 16 kn. It includes a Dynamic Positioning System that meets IMO equipment class 1.

The vessel’s  classification includes the  DNV CLEANDESIGN notation stipulating requirements for controlling and limiting operational emissions and discharges.
These requirements cover the most important environmental aspects:
    Fuel tanks’ protection from grounding damage
    Handling of sewage and garbage
    Handling of ballast water
    Handling of fuel oil
    Environmentally friendly antifouling
    Combustion machinery emissions (NOx and SOx)
    Use of refrigerants
    Green Passport Inventory for recycling the ship
The notation also stipulates requirements for controlling and limiting operational emissions and discharges covered by the class notation CLEAN.

A sister ship, the MV Polar Queen, with accommodation for 112 persons was built and recently completed by the same yard, entered service this month.

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