Home' Baird Maritime : November 2011 Contents 'Karloo'
Type of vessel:
In survey to:
Half Tide Marine,
2 x Caterpillar 3516B TA
Rolls Royce US 255
2 x Caterpillar
C4.4 TA, 107kVA
13.5 knots (ahead),
12.9 knots (astern)
69.3 tonnes (ahead),
64.6 tonnes (astern)
Sailor RT4800 VHF;
Sailor RT5022 VHF;
2 x Jotron TR20 handheld
Magnetic, Cassens & Plath,
Kotter type; Furuno SC-50
Heila HLM 10-2S + 1PM
2 x RFD, 6 persons each
89.7 cubic metres
28.7 cubic metres
Damen Shipyards has built the last of
its ASD 3111 tug design with the
delivery of 'Karloo' to Half Tide Marine
of Queensland. 'Karloo' follows her
sister-vessel 'Kalarka', received by Half
Tide a few months earlier.
Damen has delivered a total of twenty
ASD 3111 tugs, but the design will now be
replaced by the new ASD 3212. According
to Damen, the ASD 3111 will be a hard act
to follow. Wim de Rooy, production
manager of the Damen Changde shipyard
where the tugs were built, has described it
as "a superb example of tug design".
The ASD 3111 hull-form, incorporating
a long deep central skeg, is the result of
many years of experience, testing and
research into the needs of Damen's
customers. That has resulted in a harbour
tug with an exceptional performance. A
bollard pull of 69.3 tonnes ahead and 64.6
tonnes astern is combined with excellent
manoeuvrability to enable the tug to
reposition quickly and apply force where it
is required, whether pushing or pulling.
On deck, efficient hydraulically powered
single drum winches are positioned fore
and aft. The forward winch incorporates
the anchor windlass and has a maximum
brake holding load of 185 tonnes and a
line-pull of 27.2 tonnes. A Heila HLM 10-2S
deck crane is installed to handle stores and
equipment and has a maximum lifting
capacity of two tonnes at a maximum
reach of 4.5 metres.
The wheelhouse gives good all-round
visibility and standardised controls aimed at
ease of operation and a user-friendly layout.
Fully air-conditioned accommodation is
provided for a crew of up to six.
Single-berth cabins are fitted out for the
captain and chief engineer and two
double-berth cabins for the remainder of
the crew. Noise and vibration levels aboard
the ASD Tug 3111 are extremely low thanks
to flexibly mounted main engines and
flexible drive couplings.
When the first ASD 3212 is introduced
next year, it will retain many of the
features of the ASD 3111. However, the
new vessel will have a higher, more flared
and slender bow and a revised hull-form to
improve towing characteristics in exposed
locations, along with a heavier 'two-stage'
super-absorbent bow fender. More powerful
Caterpillar 3516C TA/D engines and new
Rolls Royce propulsion units with larger
propellers will achieve a bollard pull of 75
tonnes and free running speed of 14 knots.
For further information contact:
Damen Shipyards, The Netherlands.
PH: +31 183 63 99 11,
FX: +31 183 63 21 89,
November 2011 BAIRD MARITIME
TUGS, TOWAGE AND SALVAGE
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