Integrated Offshore MCM and HUC Services

Delivering integrated Maintenance, Construction, Modification (MCM) and Hook-Up & Commissioning (HUC) solutions that support the complete lifecycle of offshore facilities—from installation and upgrades to commissioning, maintenance, and operational excellence.

Integrated Offshore Support Throughout the Asset Lifecycle

AIG provides comprehensive Maintenance, Construction, Modification (MCM) and Hook-Up & Commissioning (HUC) services for offshore oil & gas facilities, delivering multidisciplinary engineering and execution support throughout every stage of an asset’s operational lifecycle. Our integrated approach combines engineering expertise, fabrication, installation, commissioning, and maintenance capabilities to ensure offshore facilities operate safely, efficiently, and reliably.

From brownfield modifications and equipment installation to commissioning and operational support, we work closely with clients to minimize downtime, optimize production, and maintain the integrity of critical offshore infrastructure.

End-to-End

OFFSHORE PROJECT DELIVERY

Live Asset

OFFSHORE EXECUTION

Comprehensive Offshore Execution Services

Maintenance Services

Preventive, corrective, and shutdown maintenance to ensure continuous and reliable operation of offshore facilities.

Construction & Brownfield Modifications

Structural, piping, mechanical, and electrical modifications to support facility upgrades, expansions, and operational improvements.

Hook-Up Services

Mechanical, piping, electrical, instrumentation, and structural hook-up works for newly installed equipment and offshore modules.

Commissioning & Start-Up

System testing, pre-commissioning, commissioning, performance verification, and start-up support to ensure safe operational readiness.

Mechanical & Piping Works

Installation, replacement, fabrication, pressure testing, and maintenance of mechanical equipment and piping systems.

Electrical & Instrumentation

Installation, calibration, loop checking, cable termination, control systems integration, and functional testing.

From Engineering to Offshore Commissioning

1

Engineering Planning

Project planning, work packs, engineering reviews, and execution methodology.

2

Offshore Preparation

Material procurement, logistics coordination, fabrication, and mobilisation.

3

Offshore Execution

Maintenance, construction, modifications, and equipment installation carried out safely offshore.

4

Testing & Commissioning

Mechanical completion, system testing, loop checking, and commissioning activities.

5

Operational Handover

Final documentation, performance verification, client acceptance, and operational handover.

Delivering Reliable Offshore Performance

Every offshore campaign is executed with a focus on safety, efficiency, and long-term operational reliability, helping clients maintain production while extending the value of their offshore assets.

Reduced Production Downtime

Efficient execution strategies minimize operational interruptions during maintenance and modification activities.

Improved Asset Reliability

Maintain the integrity and performance of critical offshore systems through integrated engineering and maintenance.

Safe Project Execution

Deliver every project under strict HSE standards and industry best practices.

Integrated Project Delivery

A single multidisciplinary team managing engineering, construction, commissioning, and project coordination.

Operational Readiness

Ensure offshore facilities are fully tested, commissioned, and prepared for safe operation.

Lifecycle Support

Ongoing maintenance and engineering support to maximize long-term asset performance.

Delivering Offshore Projects with Safety, Precision & Reliability

Partner with AIG for integrated offshore maintenance, construction, modification, and commissioning solutions tailored to your operational requirements.