Page 19: of Maritime Reporter Magazine (July 2002)

Investment in Design

IZAR Gijon

Delivers Dredger

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ANCHORS

CHAINS ^ORTELBOER

Tel.: +31 (0)10 429 2222

Fax: +31 (0)10 429 6459 [email protected] www.wortelboer.nl

French owner GIE Dragages Ports recently took delivery of a 5,000 cu. m. TSHD (Trailing

Suction Hopper Dredger) — yard number C365 — built by Spain's IZAR Gijon shipyard.

This self-propelled TSHD, named Daniel Laval, is designed to operate in water depths rang- ing from 1 to 3 m under the keel, and mainly in the Seine river estuary and in Dunkerque, according to shipowner sources. The vessel took just 21 months to build, as it was ordered in

May 2000, and delivered in February 2002.

Daniel Laval is fitted with a trailing side suction pipe on starboard and bottom valves for load dumping. The dredge pump is driven by one of the propulsion diesel engines through a reduction gear. Dredging operational availability is 7,000 hours per year.

Loading and Unloading

At a 66-ft. (20-m) dredging depth, the loading times are: • Sixty minutes for filling the hopper with fine sand to reach the maximum carrying capac- ity of 6,500 tons of sand having a d50 between 0.10 and 0.20 mm (based on the free flowing soil), • Twenty-one minutes to fill the hopper with silt having an average load density in the hop- per of 1.25 ton/cu. m. for 5,000 cu. m. and having a d50 of 0.01 mm, with a hopper previ- ously drained before the beginning of dredging operations. The accommodation deckhouse and the wheelhouse are located at the bow of the ship. Accommodation is arranged in 19 sin- gle cabins but the shipowner expects to employ 16 crew on board. A machinery deckhouse is located at the stern of the ship. Daniel Laval is propelled by two shaftlines equipped with controllable pitch pro- pellers, each of the shaftlines driven by a diesel engine.

The ship is also equipped with a bowthruster to enhance manueverability.

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A stylish entrant to the rapidly-growing ferry traffic across the Gulf of Finland between Tallinn and Helsinki denotes the opening of a new chapter in the development of the

Estonian fleet, and could also act as a spur to fresh investment by

Nordic operators. The 40,000-gt Romantika is a landmark vessel, sig- naling the attainment of a new unit scale in the Estonian ferry sector and the introduction of a cruise ferry standard to contractual owner Tallink's inter-city service, where the company ranks as market leader with a 40- percent share of the passenger traffic.

The designers' endeavors to appeal to the Finnish short-cruise market have been shaped by the expectation that at least three-quarters of pas- sengers will book round-trips entailing only a short sightseeing break in

Tallinn. At the same time, the vessel is equally suited to rising demand from business travelers, car-accompanied passengers and freight shippers, recognizing the convenience and opportunity presented by the 3.5-hour crossing between the Finnish and Estonian capitals.

The latest completion from the Rauma stable of Aker Finnyards, an inno- vative shipbuilder which can lay claim to a long line of mold-breaking

European ferries and RoRos, has been dimensioned for 2,500-passengers and 1,000 lane-m of vehicles, conveyed on a year-round schedule at up to 22-knots. The ship was phased into duty only 21 months after the signing of the $131-million contract in August 2000. At a time of diminishing ferry orderbooks, it is hoped that the high-grade Romantika will give fresh impulse to ordering by Baltic specialists.

Main Particulars

Length, o.a 341 ft. (104 m)

Length, between pp 321 ft. (98 m)

Breadth molded 72 ft. (22 m)

Depth to main deck 25 ft. (7.5 m)

DWT 6,9001

Propulsion 2 x Wartsila 9L26A (2925 kW and 2700 kW)

Output Power 7,630 kW

Travelling speed 13 knots

Capacity 5,000 cu. m.

Maximum draught on dredging freeboard 20 ft. (6 m)

Minimum dredging depth (drained hopper, 50 % stores) 21 ft. (6.5 m)

Max. dredging (drained hopper, 10 % stores) 79/85 ft. (24/26 m)

July, 2002

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