Arctic Offshore Farming
 

Norway Royal Salmon  wants to engage with potential suppliers and partners who together with Aker Solutions will develop Arctic Offshore Farming as the future offshore technology for the aquaculture industry.

 
 
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Norway Royal Salmon  |  Aker Solutions

Arctic Offshore Farming

On 9 March 2018, the Norwegian Directorate of Fisheries granted development licences for realizing the Arctic Offshore Farming concept. These licences are signs of recognition of a long and successful development process where NRS, Aker and Aker Solutions have jointly developed a semi-submersible offshore fish farming system, designed for harsh environment. Locating the submerged farms further away from the coast significantly improves the utilisation of Norwegian territorial waters and  reduces the environmental footprint at the same time.

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Project description

 

NEW AREAS REQUIRE NEW TECHNOLOGY

  • The concept is designed for siginificant wave height 5-15m

 

FLOATING STRUCTURE WITH TWO PONTOONS (RINGS)

  • Limited motions of the structure and net
  • Space for equipment and storage inside pontoons
  • Two  fish farming units in combination with feed barge

DRAFT CHANGE BETWEEN SURVICE AND OPERATION DRAFT

  • Draft change by ballast/de-ballast
  • Service draft enables full access to net
  • Opration draft provides protection of fish and net
 

SUBMERGED DURING OPERATION

  • Top of net 10m below surface in operation draft
  • Limit exposure of fish to sea lice
  • Limit environmental loads on fish and equipment

 

AIR POCKETS INTEGRATED IN THE STRUCTURE

  • Provide salmon means to adjust their swim bladder while being submerged for long periods
  • Large artificial air surface for the fish (360 m2 with 1m height)
 

SOME FACTS
79 METERS OUTSIDE Ø
STEEL WEIGHT: 2250 TONNES
UPPER PONTOON: 2X3M
LOWER PONTOON: 6X4M
COLUMNS: 1.5M Ø
ARTIFICIAL AIR POCKETS APPROX. 10% OF AREA INSIDE LOWER PONTOON.
ESTIMATE TO PRODUCE 3.000 TONNES PR CAGE

 
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Norway Royal Salmon  |  Aker Solutions

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