Conbit was contracted to engineer lifting plans and execute lifting operations during an offshore installation campaign led by Heerema Marine Contractors. The main objective of the activities was to hook up a topside module to a jacket construction in the Mediterranean Sea. The topside was mounted on top of the jacket by Heerema’s largest deep-water construction vessel, the Thialf.


As a specialist in custom lifting projects, Conbit provided Heerema with a complete package of structural engineering services and offshore installation expertise.


Part of the hook-up support was the installation of 11 spool pipes under the sub-cellar deck. Conbit prepared all the rigging and lifting plans, supplied the project-specific equipment and deployed three experienced rigging teams with rope-access skills. In addition to lifting the spools to connect the jacket with the topside, Conbit assisted with the installation of the vent stack and emergency lighting, and performed many other related activities.

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