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Ice class SAR tug/supply nears completion

Written by Nick Blenkey
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APRIL 10, 2017 — Russia’s Nevsky Shipyard is currently fitting out the fourth in a series of four MPSV12 design multipurpose, shallow draft, tug/salvage vessels.

The 79.85 m by 17.36 m Arc 5 ice class vessel has a 6.7 m molded depth. a minimum draft of just 3.2 m and a loaded draft of 4.5 meters.

The boat will provide support for a wide range of operations, including rescue work for general shipping, fishing vessels or oil and gas fields and is fully outfitted for search and rescue evacuation, with accommodations for up to 12 crew, 36 berths and 87 people.

It also equipped for combating fires at sea and carries a wide range of oil spill response equipment.

As a tug it can tow damaged vessels to shelter in open waters or ice conditions.

In addition to all this, the MPSV12 also has the ability to supply offshore oil drilling and production sites. It has tankage for 200 m3 of domestic water and 550 m3 of cargo water, 450 m3 of domestic fuel and 400 m3. of cargo fuelalong with capacity for 130 m3 of drilling mud and 550 m3 of drilling water.

On deck the vessel carries a double-drum towing winch with braking power of approximately 100 tons as well as a 60-on towing hook with a remote quick release. There is also a pedestal mounted 24-ton crane with a 20-meter boom. There is a ROV and dive support station for work up to 60-meter depths. The 430 m2of cargo deck can also accommodate one-tier of containers.

For propulsion and maneuvering at sea the vessel has two ice-classed controllable pitch propellers in nozzles as well as two bow thrusters and a single stern thruster.

Main propulsion power is provided by a pair of Wärtsilä 2600 kW medium speed engines.

Electrical requirements are met by a pair of Cummins K38-CP800DM5 generator sets each producing 800 kW of power at 50 Hz and 400 V. There is also a Cummins 6C-CS125DMS emergency genset.

The rescue tugs are being built for the Russian Rescue Agency. The vessels will operate in four different regions: the Caspian Sea, the Black Sea, the White Sea and the Japanese Se .

The Nevsky Shipyard specializes in both new-build vessels and ship repair. Located on the Volga-Baltic Waterway it has excellent access to Russia’s inland waterways and, via the Port of St. Petersburg, to the Baltic Sea.

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