Lifting, Transportation and Installation Analysis

Topside lifting analysis - FEYANA

FEYANA provides analysis and design supporting the fabrication, transportation and installation phases – lift arrangements, padeyes and slings, sea-fastening and the design of cranes and lifting equipment for installation and transport.

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Scope

ItemContent
Lifting analysisWeight and COG envelope, rigging layout, dynamic amplification and skew load factors, structural checks during the lift
Lift point designPadeyes, trunnions, spreader bars/frames, shackle and sling checks
Load-outSkidding or lifting modules from the yard onto barges
TransportationBarge/vessel motion accelerations, sea-fastening design, structural checks
Stability and marine operationsBarge stability and motion analysis in sea states
Installation lifting equipmentLifting frames, crane supports and temporary works for installation
Four-sling lifting arrangement - FEYANA
Four-sling lifting arrangement
Structural model checked for lifting - FEYANA
Structural model checked for lifting
Transport barge model - FEYANA
Transport barge model

Tools and codes

Lift structural analysis in SACS and SAP2000; stability and motions in MOSES and OrcaFlex; detailed lift-point FEA in ANSYS and ABAQUS. DNV marine operations standards, API, AISC and marine warranty/class requirements.

Deliverables

  • Lifting, load-out and transportation reports
  • Padeye, lifting frame and sea-fastening drawings
  • Sling, shackle and lifting gear selection
  • Support with third-party review comments

See also: offshore structural design · skid and module design and fabrication.

Software and standard names are mentioned only to describe technical scope and belong to their respective owners. Images on this page are FEYANA models and workshop photos.

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