Trunnion Structure Analysis with Rigging Variations at The Loadout Stage During Lifting Jacket Platform Process
Keywords:
Trunnion, Loadout, Lifting, Jacket
Abstract
An offshore structure is a structure that is operated at an
offshore base and has the general function of oil and gas
exploitation and exploration. The making process of this
structure is called the fabrication process. Fabrication is the
process which is covered the whole activities to produce the
structure. Lifting is a process that is included in this
fabrication step.Many important lifting items correspond to
the requirement to let the lifting process is working. A
trunnion is a tubular member that helps lift the structure
because it is where slings can be convoluted. Trunnion can
be called lifting lugs, depending on the engineer at the
company used.In this research, the trunnion that must be
analyzed is the trunnion that has the general function for the
jacket-to-lifting processes. In contrast, the researcher
analyzed the effect of various rigging configurations. The
considered variable of rigging configuration is the shape
and amount of the spreader bar.
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