Home' Ausmarine : July 2009 Contents Richard Devine Marine (RDM) hull
number 049 is a 35-metre catamaran
ferry designed by Incat Crowther to be
The vessel's design provides excellent
viewing positions, allowing passengers to
take in the scenery between Dar es
Salaam and the island of Zanzibar off the
east coast of Tanzania once the vessel
'Kilimanjaro' is designed to carry 400
passengers at a service speed of 22 knots
fully loaded. The main cabin contains
seating for 200 passengers with further
seating for 128 in the vessel's upper cabin.
In addition there are a further 72 exterior
seats behind the upper cabin and on the
wheelhouse deck. The aft deck has been
arranged with four toilet spaces, a luggage
room and a staircase.
Powered by twin Cummins KTA38M2's
each producing 783kW at 1,600rpm, the
vessel will have a maximum speed of 24
knots at half load. The design is similar to
the recently launched 35-metre catamaran
ferry 'Eagle', now operating on Tasmania's
According to RDM, the client required
the assurance that a proven design provides
when moving forward with this acquisition.
Australian aquaculture company
Clean Seas Tuna has developed a
multi-million dollar, feeding station
for its kingfish grow-out operations.
The $2.5 million feed station was
designed and built by Clean Seas and can
carry up to 600 tonnes of dry feed, the
equivalent of up to a month's food
supply for the kingfish and southern
bluefin tuna. Measuring 52 metres by
twelve metres, the fully automated barge
is now stationed offshore from the Clean
Seas Arno Bay hatchery in Spencer Gulf,
Dry pellets are distributed in strictly
controlled portions via a floating network
of flexible pipes connected to up to 30 sea
pens holding about 3,000 tonnes of fish
spread across a three square kilometre area
Previously, the kingfish were fed by
Clean Seas feeding vessels supplying feed
to each pen daily.
Clean Seas Tuna Managing Director
Marcus Stehr said the feeding station has
been two years coming.
"The dry feed is sprayed over the
middle of each sea cage, ensuring not one
pellet goes to waste," he said. "Computers
control the distribution of the feed,
spraying pellets into two sea cages at a
time under the watchful eye of closed
circuit TVs on the feed barge.
"Once a sea cage has received its
portion, a valve automatically shuts off
the pipe to that pen, and feed is then
directed to the next two pens. Portion
sizes vary to meet the individual needs of
fish in each sea cage.
"Feeding is monitored by television
cameras and the barge is manned 24
hours a day by an operator who also
supervises the cages."
Mr Stehr said the feeding station also
assisted with bio-security by ensuring the
feed was stored securely and not
contaminated by any foreign matter. It
also boosted the company's commitment
to environmental sustainability.
The feed barge also has the flexibility
to feed southern bluefin tuna (SBT) once
Clean Seas begins commercial production
of its aquaculture-bred SBT later this year.
Disclosure: Members of the Baird family and
companies in the Baird Publications group own
shares in Clean Seas Tuna.
The feeding station will service Clean Seas' kingfish grow-out operations
Clean Seas Tuna builds feed station barge
RDM builds on its success with an Incat Crowther design
A sketch of the passenger ferry as it will appear when complete
'Kilimanjaro' under construction at the
Richardson Devine Marine facility
AUSMARINE July 2009 13
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