Marine Link
Tuesday, October 17, 2017

Damen Delivers Tug to Sea Ports Corp.

May 17, 2004

In March 2004 the Damen Stan Tug 4511 Al Salaam was delivered from Damen Shipyards Galatz to the Owner’s Sea Ports Corporation (S.P.C.) Sudan. The Damen Stan Tug 4511 is the latest member of the Damen Stan Tug series. In 2003 two shorter versions, the Stan Tugs 4011, where delivered to an Owner in the Middle East.

Al Salaam will operate at the Beshair SBM terminal south of Port Sudan, where it’s basic functions will be towing, berthing, fire fighting and pollution control. The tug is classified by Lloyd's Register of Shipping for Unrestricted Service.

Al Salaam has a heavily built hull with a transom stern and a round bow. The double chine is designed to afford good water-flow to the twin screws and nozzles and incorporates a large skeg aft. The transom corners are also well rounded and the full-height forecastle gives sufficient bow height for severe working conditions. The hull is divided into five compartments and is of a very strong construction with side and bottom plating of 10 mm and decks of 8 mm thickness. The aft deck is suitable for a specific weight of 5 ton per square meter. A stern roller is fitted, with a 19 mm thick deck forward of it. At the bow a heavy rubber block fender is fitted, made of W-shaped blocks with section of 500 x 400 mm. At the transom corners rubber D- fender of 300x300 mm section is fitted. An extensive tyre fendering is fitted at the sides.

The steel superstructure is placed on the forecastle deck and has 6 mm thick side plating and 7 mm front plating. The deckhouse has ample space for the captain's cabin, chief engineer’s cabin and two officers’ cabins. On main deck a galley, large mess room, stores and one crew cabin are arranged while the other crew cabins and sanitary facilities are situated below deck. The wheelhouse has control stands at centre forward, and the starboard aft side, which gives optimal view on the aft deck.

Al Salaam is powered by two six-cylinder MAN 6L28/32 A engines, driving fixed pitch propellers of 2500 mm diameter, which run in Van de Giessen nozzles. The main engines have a total output of 2940 bkW (4000 bhp) at 775 r.p.m. The reverse/reduction gearboxes are make Reintjes, type WAF 1942. For optimal control and manoeuvring, these gearboxes are fitted with integrated shaft brakes and trolling valves.

The steering is by means of two streamlined (airfoil) double plate rudders, which are activated by a Van de Velden double ram hydraulic steering gear. Two electrically driven pumps are fitted, which can be used in single or double mode. To further aid manoeuvrability and positioning capabilities a hydraulically driven bow thruster is fitted.

Al Salaam is fitted with MAN D2866 LXE30 auxiliary engines, driving 150 kVA Stamford generators. A 1350 cu. m. Nijhuis fire-fighting pump is driven by a MAN D2840 LE 401 diesel engine. On the fire fighting platform, between the funnels, two Ajax monitors are fitted, each capable of a throw length of 120 meter. The hull and superstructure are protected against radiant heat by means of a water spray system. For storing of foam, a tank of 28.6 cu. m. capacity is integrated in the ship's construction. Two electrically driven Quincy compressors supply the air for the starting and control system. A Sperre emergency compressor with separate 30 litre air bottle is fitted. To further auxiliary equipment includes the normal general service pumps, fuel pumps, pressure sets etc. with furthermore a Facet bilge water separator, diesel driven emergency fire fighting pump and a Megator twin pump set for dispersant spraying.

The Damen Stan Tug 4511 has a very large wheelhouse with control positions fore and aft. Main propulsion and bow thruster controls are available at each position. Controls for the aft winch are located at the after control station.

The nautical and communication equipment complies with the Global Maritime Distress and Safety System (GMDSS) for Area A2 with complete Navtex coverage.

Two Sailor RT 4822 VHF radios are fitted with incorporated DSC modems/watch receivers. Further communication equipment consist of a Furuno FS 1562-15 SSB radio telephone with DSC-60, a Furuno NX-500 Navtex and a Furuno FA-100 Automatic Identification System. The navigation equipment consists of a Furuno FR-7062 radar, a Litton SR-180 gyro compass, a Furuno GP-80 GPS navigator, Furuno FE-700 recording echo sounder and a RZ Delta 130 anemometer.

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