![]() ![]() #SLEIPNIR VESSEL INSTALL#We saw an emerging need to install integrated large topsides in order to reduce offshore hook-up times and therefore lower overall construction costs, and the same applies to platform decommissioning where there is a benefit in reverse lifting of decks in larger pieces. This is a market that we have been operating in for a while, and we have a strong position that we wish to maintain. #SLEIPNIR VESSEL DRIVER#Schuurmans: Our main driver has always been for the company to be in a position to serve clients in the heavy-lift market for the next couple of decades. ![]() Offshore: Was the timing influenced by market forecasts at that time, and your competitors’ plans to enhance their own heavy-lift capabilities? The board finally gave its full sanction for the project in March 2015, when the company contracted Sembcorp Marine to build the vessel. The first major commitment was the award of the cranes contract to Huisman in May 2014. It was a process that took shape over several years, with involvement of GVA in Gothenburg, Sweden, for the concept and basic design of the vessel during 20. #SLEIPNIR VESSEL HOW TO#At that point we started to look at what was required, what our customers were looking for, and how to develop such a vessel. Schuurmans: There had been a push within the company to invest in a new, larger vessel that started in 2008, but due to the market situation at that time, work on the project ended up being deferred until 2011. Offshore: When did HMC take the decision to commit to a new heavy-lift vessel? Offshore spoke to Sipke Schuurmans, Sleipnir Project Director at Heerema Marine Contractors, about the background to this investment. Other stand-out features include greater workability in harsher environments due to the design of the columns, and increased deck space for carrying multiple modules. (All images courtesy Heerema Marine Contractors) The 129-m (423-ft) high lifting capacity provided by the cranes’ main hoist also facilitates placement of heavy topsides modules at higher elevations.Īrtist’s impression of Sleipnir installing a jacket. ![]() This, the company says, will allow clients to design larger and/or heavier topsides and jackets which the vessel can install fully integrated and commissioned, with resultant cost benefits due to minimized hookup. Its two main cranes, under construction by Huisman in China will each be equipped with 10,000-metric ton (11,023-ton) lifting capacity. Sleipnir, named after Odin’s powerful eight-legged stallion of Norse legends, will be 220 m (722 ft) long with an overall beam of 102 m (334 ft) and a normal service speed of 10 knots. ![]()
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