Fendercare Marine supplied protective equipment to reduce the risk of damage to the vessel during operations. Excel Marco was contracted to provide the safety system package for the vessel. Harding Safety won a contract to provide FF1200 freefall lifeboat systems with davits in January 2016. In the same month, Sembcorp Marine placed an order with Wärtsilä for eight 5.5MW thrusters. Sembcorp Marine awarded a contract to MAN Diesel & Turbo in October 2015 for the supply of MAN 8L51/60DF engines and selective catalytic reduction systems. Lloyd’s Register was contracted to class the Sleipnir crane vessel in August 2015. Steel cutting ceremony of the cranes was held in the same month. Sembcorp Marine subsidiary Jurong Shipyard and Heerema Offshore Services signed a letter of intent to build the new crane vessel in March 2015.Ī $1bn engineering and construction contract was awarded by Heerema Offshore Services to Sembcorp Marine in July 2015. Huisman Equipment signed a letter of intent for the construction of two 10,000mt cranes for the Sleipnir semi-submersible crane vessel in March 2014. The vessel also features medium-voltage switchboards, transformers and MV7000 drives. Station-keeping is enabled by the onboard dynamic positioning system, built in accordance with Lloyd’s Register’s IMO Class 3 is the DP (AAA) notation. With a combined output of 96MW, the propulsion system provides a transit speed of 10k.Įight 5.5MW WST-65U underwater demountable fixed-pitch, variable speed azimuth thrusters, including four retractable type, are installed at forward and aft portions of the vessel ensure better manoeuvrability. In November 2019, Heerema announced plans to switch its vessel switched from diesel generators to wind energy, which will be sourced from Eneco’s Landtong Rozenburg wind farm. The Sleipnir heavy-lift crane vessel is powered by 12 8MW, tier III-compliant, four-stroke MAN Diesel & Turbo 8L51/60DF engines, which are designed to run on both low sulphur marine gas oil and liquefied natural gas. Sleipnir crane vessel propulsion and performance Additionally, the vessel has one 70mt pedestal-mounted lattice boom crane, capable of reaching depths of 2km. The cranes also feature a 200mt whip hoist with a maximum radius of 153m. The auxiliary crane hoist has a lifting capacity of 2,500mt at a radius between 33m and 60m. The main hoist can lift 1,000mt of loads to a depth of 1km below sea level and can reach heights of 129m above the waterline. The dual cranes provide heavy lift capacity for the installation and removal of offshore structures, including floating platforms, foundations and mooring systems. The Sleipnir semi-submersible crane vessel is equipped with two heavy-lifting tub-mounted cranes with a capacity to lift 10,000mt each at a working radius of 48m. The vessel incorporates several position reference systems, developed by Norwegian firm Kongsberg Maritime, for accurate positioning during offshore installation operations. It is made up of fairleads, 12t Stevpris Mk-6 anchors, control system, electric-driven winches, and wire sheaves for holding 1,750m wire rope. Each station comprises three DNV OS E-406-standard FF1200 freefall lifeboat systems, fitted with LA1200H and LA1200HO skid launch davits, while each lifeboat can carry up to 70 people.Ī 12-point mooring system is used to provide station-keeping for the vessel at sea. Three lifeboat stations are carried on the Sleipnir to assist the vessel in distress.
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