![]() The vessel's size and semi-submersible form would allow it to operate in worse weather conditions than smaller and conventionally shaped vessels. Saturation diving facilities would support subsea connection work. It would also be able to support the offshore completion of the platform by providing hotel and workshop facilities for large construction crews. The Saipem 7000, originally named the Micoperi 7000, was conceived in the mid-1980s by its original owners Micoperi as a multipurpose offshore oil platform installation vessel that would be able to install very large oil production platform decks (known as integrated decks) as well as the decks' supporting structures (known as jackets) using its two very large fully revolving cranes. The cost of the vessel was not released by Micoperi but it was estimated in the technical press as being up to US$400 million. The sea trials, which took two months, started in September, and on 15 December the vessel was handed over to Micoperi. The hull mating was complete in early 1987 and the two cranes built by Officine Meccaniche Reggiane under subcontract to American Hoist & Derrick Company (Amhoist) were installed in sections by the Saipem crane vessel Castoro Otto in April of that year. During the mating operation the halves were supported by temporary pontoons. The halves were then floated out from the dry dock and mated. The vessel was built in two halves in a long dry dock. at their Monfalcone yard, Trieste in north-eastern Italy. The vessel was built between 19 by Fincantieri-Cantieri Navali Italiana S.p.A. The vessel was designed by Gusto Engineering during 1984. It is owned by the oil and gas industry contractor Saipem S.p.A. The Saipem 7000 is the world's third largest semi-submersible crane vessel, after the SSCV Sleipnir and the SSCV Thialf. ( July 2008) ( Learn how and when to remove this template message) Please help to improve this article by introducing more precise citations. This article includes a list of general references, but it lacks sufficient corresponding inline citations.
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