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Tendon and Mooring Systems

INTECSEA provides full engineering and project capability for tendon systems design for tension leg platforms (TLPs) in all water depths and locations around the world. INTECSEA has the most direct experience with design and installation of tendon systems of any engineering firm or operator. INTECSEA’s expertise is in all phases of tendon and mooring systems projects including concept development, detailed design, plan approval, procurement, fabrication and installation.

Services List:

  • Conceptual engineering
  • Pre-Feed engineering
  • FEED engineering
  • Project execution - detailed design
  • Design verification (CVA)
  • Tendon systems design and engineering:
    • Complete tendon and foundation system management
    • Global tendon and foundation system sizing and design
    • Global strength, fatigue and VIV analysis
    • Free standing (pre-installed) tendon analysis
    • Foundation driveability and installation analysis
    • Component specification
    • Component FEA analysis
    • Procurement and construction management
    • Installation planning, analysis, procedures and offshore management
  • Systems design basis
  • Marine operations manual
  • Interface matrix between the hull and tendons
  • Corrosion protection: cathodic protection and coatings procurement support:
    • Equipment specifications and datasheets
    • Scope of work
    • VDRL
    • Technical bid tabulations
    • Vendor data review and approval
  • Equipment manufacturing inspection
  • Factory acceptance testing oversight
  • Fabrication support
    • Drawings
    • Procedures
    • On-site supervision
  • Systems cost and economics assessment
  • Risk and reliability assessments and oversight
  • Capability for full EPCM
  • Experience in all geographic locations
    • Gulf of Mexico (GOM)
    • South America
    • West Africa
    • SE Asia
    • North Sea
    • Offshore Australia
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