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Marine Construction Management

Decades of Hands-On Execution and Seamless Delivery.

What sets OCS apart is not just our engineering depth, but field-proven marine construction management capability. Our core team comprises veterans of McDermott—industry leaders during the peak era of offshore development in Asia Pacific. These are professionals who’ve spent their careers delivering “hard money” projects in some of the most challenging marine environments, earning the kind of operational judgment and precision that can’t be learned from manuals.

At OCS, this hands-on legacy drives how we train our next generation of engineers and field specialists. It defines our company culture: pragmatic, delivery-focused, and relentlessly client-oriented. Our construction managers ensure that what’s engineered in the office is executable offshore, with minimum rework, maximum safety, and full alignment with client objectives.

Our construction management expertise forms the backbone of everything we do—enabling tighter coordination between our engineering, project teams, and strategic equipment units. Our in-house technicians are trained on every piece of OCS equipment to ensure flawless execution with clear communication and zero disconnect between design intent and field delivery.

With our versatile Utility Barge UB-01 “Miss Pennie” band a suite of strategic marine support equipment, we are uniquely positioned to take on turnkey scopes and specialist packages alike—from platform installations to nearshore pipeline landings.

Key Capabilities

We invite clients with complex scopes or unconventional requirements to engage us early — this is where OCS delivers the most value. Our construction management covers a wide scope, including but not limited to:

  • Installation of piled platforms in water depths >500 ft (drilled and driven piles)
  • Topsides installation (lift and floatover)
  • Rigid pipeline installation Platform and Pipeline Decommissioning
  • Flexible flowlines, umbilicals & subsea power cables
  • Subsea manifolds and template structures
  • Nearshore and landfall scopes (HDD, barge pulls, open cut)
  • Riser and subsea tie-in installations
  • FPSO mooring and turret systems
  • Platform modifications and module additions (brownfield scopes)
  • Platform jacking operations
  • Pipeline hot taps and retrofit scopes
  • Pipelay barge conversions and stinger system design
  • “Build-to-Operations” vessel documentation for Class certification
  • Marine construction weather planning and risk mitigation
  • Cost estimating for subsea, shallow, and deepwater projects

Supported by OCS Subcontract Services:

  • Pipeline Pre-Commissioning
  • Pipeline Free Span Corrections
  • Pre-Trenching and Post-Trenching
  • Shore Approaches
  • Pile Remediation
  • Flexible Lay Operations

Looking for a partner who understands both the plan and the execution?

Contact OCS to explore how we can tailor a construction strategy to meet your project’s unique requirements — and deliver it, from engineering to offshore.