Feature 1 | TUGS AND SALVAGE
a longer range than the other recent deliver- ies, with a fuel oil tank capacity of 100.8m3 The vessel can undertake towing,
.
mooring, and fire-fighting operations, and it is classed by Bureau Veritas to: I + HULL MACH Tug Unrestricted Navigation AUT UMS standards. With the same engines and thrusters as
the French tugs, Isola Del Tino has already demonstrated a speed, both ahead and astern, of 13.8knots, a bollard pull ahead of 60.1tonnes, and a bollard pull astern of 55.1tonnes. Te vessel is fitted with a box cooling
and anti-marine growth system, and there is accommodation available for seven persons, with cabins for the captain, chief engineer, and crew, as well as two single officers’ cabins, above deck.
More ASDs Meanwhile, an additional ASD tug was delivered in December 2007 to North Tugz Ltd, New Zealand. Te 2411-class Bream Bay has a length overall of 24.47m, a beam overall of 11.33m, and depth at the sides is 4.6m. This smaller tug reaches a speed of
12.8knots, but has a bollard pull ahead of 69.1tonnes and 68.2tonnes astern. For towing duties, the Ridderinkhof hydrauli- cally-driven split drum towing winch exerts a 30tonne pull at 10m/min. Bream Bay is powered by two Caterpil-
lar 3516B TA HD/D main engines, rated at 4180kW at 1600rev/min. Also installed are Rolls-Royce US 255 azimuthing thrusters and built-in type slipping clutches. Te complement is four persons, with
Pullman bunks for two extra persons, and the tug is classed by Lloyd’s Register to: + 100 A1 Tug + LMC, UMS.
Stan tugs Damen’s Stan tugs are also proving popular. A pair in the 1606 series, Deverd and Porwi, was delivered in January this year. Te Societe Miniere du Sud Pacifique
ordered the New Caledonian-f lagged vessels for towing, mooring, and survey operations, and the 16.56m long tugs have two Caterpillar C18 TA/B engines installed, giving a total power of 896kW at 1800rev/min. Two Reintjes WAF 264L gearboxes drive two Kaplan II FP propellers. Two streamlined double-plated rudders
22 The Damen-built ASD tug Bream Bay for North Tugz Ltd, of New Zealand.
and hydraulically-powered steering gear with a rudder indicator are fitted, along with a Caterpillar C2.2 NA generator set. On trials Deverd and Porwi posted a speed of 11.2knots and an ahead bollard pull of 15.7tonnes. Te identical vessels are classed to Bureau
Veritas I + Hull MACH Tug Coastal Area and Marine Marchande Cat.3 require- ments. A couple of 2208 Stan tugs were also
delivered last year. The latest one arrived in December, built for towing, mooring, and fire-fighting. The vessel was named Orgullo de
Izabal, and Guatemalan owner Novacom SA employed Bureau Veritas to class the vessel to: I + Hull MACH Tug Unrestricted Navigation. The tug is 22.64m long, with a beam of 7.84m, and a draught of 3.69m. A pair of Caterpillar 3512B TA/B
engines power the vessel, facilitating a trial speed of 12.2knots, with a bollard pull of 39.7tonnes. A pair of Kaplan II FP propel- lers and Caterpillar C 4.4 T generator sets are also installed. The aft towing winch is of Kraaijveld
make and it is hydraulically-driven, allowing a 10tonne pull at 10m/min or a 5tonne pull at 23m/min. A Simrad AP-50 autopilot and a Furuno NX-700 Navtex receiver are fitted as well. Accommodation is for eight persons,
and it is completely insulated and finished with durable modern linings, an acousti- cal Dampa ceiling in the wheelhouse, and floating floors. Jannat is a further 2208 model which
was delivered towards the end of 2007. This tug was additionally fitted out for pollution control operations and included a Megator DP20 dispersant set, and has a dispersant tank capacity of 1m3
. The draught is slightly smaller than
Orgullo de Izabal’s, at 3.50m, and the complement is only six persons. Owner Misurata Free Zone obtained a Libyan flag for the vessel, and Jannat is classed to Lloyd’s Register 100 A1 Tug + MCH standards. Performance trials showed a 12knot
speed and 38.7tonnes of bollard pull ahead. Libyan owner Misurata Free Zone also
commissioned a Damen 2909 Stan tug in December last year. Assameeda is intended for towing, mooring, fire-fighting, and salvage basic functions, and is classed to: Lloyd’s Register 100 A1 Tug + LMC. The tug is 29.24m long, 4.4m deep, with
a beam of 8.84m. Aft draught is 4.12m and displacement is 486tonnes. Two main engines are of Caterpillar
3516B TA HD/B type, giving a total power of 3542kW at 1600rev/min. Bollard pull ahead is 67.2tonnes, and a trial speed of 13.5knots was reached. A Caterpillar 3406C fi-fi set is installed, with a capacity of 600m3 and a pair of 300m3
/hour at 10bar, /hour water/foam
fi-fi monitors are also fitted. Assameeda additionally features a Flygt BIBO 36m3
/
hour salvage pump. Air-conditioned accommodation is
provided for six persons, and includes four cabins. SBI
Ship & Boat International May/June 2008
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