Live fish carrier Aqua Tromøy delivered from Crist yard

An innovative live fish carrier Aqua Tromøy (yard no. NB SC 75/1 or Crist B75) built for the Norwegian owners Artic Shipping AS (Artic Group) has been recently delivered from Gdynia based Crist SA yard. The vessel left the yard and the port of Gdynia on September 13, 2018.   Crist yard launched and floated out Aqua Tromøy on January 21, 2018. Following outfitting the ship was undergoing its first sea trials at the end of second decade of August.

The modern, highly automated and versatile vessel, with diesel-electric propulsion, will be most probably used in the North Sea and/or in the northern parts of Atlantic and Pacific Oceans.

Aqua Tromoy departing the yard and the port of Gdynia on September 13, 2018.
Aqua Tromoy departing the yard and the port of Gdynia on September 13, 2018.

The contract won by Crist for fully outfitted multipurpose live fish carrier of the SC 75 design was announced in October 2016. At that time the delivery was said to be scheduled for Q4 2017.

An order for the second vessel of the same design – SC 75 (newbuilding no. NB SC 75/2 or Crist B75/2), was acquired in March 2017. The second unit, to be named Aqua Kvaløy was about to be delivered (according to initially released information) in mid-2018. More recent known reports were saying of August 2018.

Meanwhile, the two ships on order have been transferred to the prospective fleet of newly established DESS Aquaculture Shipping, which is to become an operator of the two sister vessels. DESS, is a joint venture of Marine Harvest and Deep Sea Supply. According to some sources, the technical and crew management responsibilities for Aqua Tromøy was about to be assumed by Stan Shipping Agency Ltd. of Gdańsk, Poland.

Aqua Tromoy at yard's quay
Aqua Tromoy at the yard’s quay.

The design comes from Seacon AS, a Norwegian consulting naval architects / ship designers specializing in fishing and fish farming industry vessels, but has been developed in cooperation with Artic Group and Havyard MMC of Fosnavåg. The NB SC 75/1 newbuilding is designed and built according to the rules and under supervision of DNV GL.

The SC 75 series has been designed to offer a less expensive wellboat (live fish carrier) without compromising the quality of design, comfort, environment and fish processing. Simpler concept, different thinking and other ways to put together the boat and the fishing package makes the boat cheaper overall. The equipment and the quality in general are on par with or better one, similar boats – the designers assure.

Each of the vessels will be equipped with two tanks for live salmon delivery with a total capacity of 3000 m³, which may also be used for de-licing either with freshwater or with hydrogen peroxide.

PBS, rel (Seacon AS)

Aqua Tromøy and Aqua Kvaløy – principal characteristics:
IMO no. (Aqua Tromøy) – 9818888
flag – Norwegian
owner – Artic Group AS, Norwegia
operator – Marine Harvest Norway AS
ship manager, technical management – Stan Shipping Agency Ltd, Polska
designer – Seacon AS, Norway
shipyard – Crist SA, Gdynia
newbuilding no. for  Aqua Tromøy (Crist) – B75/1
dates for Aqua Tromøy: delivery – 11.09.2018; launching – 17.01.2018; keel laying – 08.03.2017
length over all – 76.90 m (75.70 m or 76.859 m according to other sources)
length b.p. – 69.745 m
width – 15.00 m (according to other source: max. breadth – 15.08 m, moulded breadth – 14.992 m)
depth – 8.00 m
draught – 6.80 m
estimated weight of hull – approx. 980 ton (according other source – the same value is provided as lightship weight)
gross tonnage – 2784 (2500 according to other source)
nett tonnage – 836
compensated gross tonnage (CGT) – 6698
deadweight – 1230 t
capacity – 2 fish holds, 3 000 m³ total
fresh water production – 6 000 m³/day
circulation pumps – 8 × 3 000 m³/h at 10 mlc
vacuum pumps – 2 × 6 000 l
bow thruster – 1 × 400 kW
cargo systems:
– fish loading – vacuum and under-pressure loading (with water separation)
– fish offloading – sliding bulkhead and over-pressure off-loading 12 mlc
– fresh water production – RO with UV pre-treratment, 6 000 m³/day
– CO₂ strippers 2 × 3 000 m³/h
– filters – 8 × automatic pressure filters 3 000 m³/h, 150 micron; UV – 4 × 2 500 m³/h @ T10=92%
– Ozon (O₃) disinfection system – 2 × O₃ generator, each 3.2 kg/h at 10wt %
– oxygen (O₂) production plant – 2 × O₂ generator, each 67 kg/h at purity 93 %
– de-licing treatment – fresh water and H₂O₂
ballast water treatment – yes
tank washing system – yes
propulsion – diesel electric propulsion, Halvorsen Power – 4 × Cummins diesel generators, 940 kW each
1 × emergency / harbour generator 250 kW
2 × azimuth propulsion thrusters, 1000 kW each
main engines equipped with SCR-control, approved for IMO Tier III
speed (loaded/ballast) – 12.5 / 14 knots
classification – DNV GL.


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