Norwegian Multi-role Coastguard Vessel 'Harstad'
One of the most recent Emergency Towing Vessel (ETV) deliveries, built for use in Europe is the multi-role Coastguard vessel K/V Harstad , owned by Remoy Shipping andoperated on long term charter to Kystvakten - the Norwegian Coastguard.
K/V Harstad istherefore equipped to tow tankers of up to 200,000dwt in an emergency situation.
Aker's Soviknes yard built the vessel to the Rolls-Royce UT512 design and supplied a package of major propulsion and deck equipment. The hull and all major steelwork was completed by Aker Tulcea in Romania.
K/V Harstad is a vessel of 83m in length overall with a breadth (moulded) of 15.5m and measuring 3132 gross tonnes.
Operation along the full length of Norway's coastline and throughout the country's EEZ involves a considerable time in the Barent's Sea and therefore a requirement for ICE class 1B, along with anti-icing measures that included heated shelters for the two MOB/boarding boats.
Harstad is manned, as are other Norwegian coastguard vessels, by a combined military and civilian crew and in its patrol boat role it carries a foredeck mounted gun and is equipped with a full military and civilian communications system.
The Rolls-Royce package included the propulsion system giving the vessel a bollard pull of 110 tonnes and a maximum free running speed of 18.5 knots.
Two 8-cylinder Bergen B32:40L diesels, each developing 4,000kW (5435bhp), power a pair of Kamewa Ulstein controllable pitch propellers rotating in fixed nozzles. Independent Tenfjord steering gears operate the high lift rudders and there are two electrically driven thrusters at the bow. One is a 736kW Kamewa Ulstein tunnel thruster and the other an Ulstein Aquamaster retractable azimuth thruster rated at 883kW. The main engines also drive the pumps for the FiFi 1 fire-fighting system. This coastguard vessel is the first to be fitted with the new Rolls-Royce Poscon2 DP system (AUTS notation), and full UMAS automated systems.
Rauma Brattvaag deck machinery is installed, comprising a main low pressure hydraulic towing winch with a 50 tonne pull and 250 tonne brake holding load, an anchor windlass, capstan and tugger winch. Towing pins and a hydraulic deck crane are also provided, along with a harpoon system for attaching the tow wire to stricken vessels and a reinforced push-bow. Other facilities include a hospital, line throwing gear, oil spill booms, skimmers and 1,000m 3of dedicated tank space for recovered oil.
Accommodation is provided for up to 35 people in single and twin berth cabins with full facilities.
The superstructure is placed near amidships to reduce the effects of motion, and K/V Harstad is also equipped with a passive tank roll reduction system.
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