Underwater Inspections, Repairs, and Maintenance (IRM)

Since 1997, Phoenix International has delivered trusted IRM (Inspections, Repairs, and Maintenance) services to ensure the integrity, safety, and longevity of offshore floating platforms. Backed by decades of offshore expertise, our teams of project managers, engineers, divers, and technicians bring the ingenuity and skill required to maintain critical infrastructure in the world’s most demanding environments.

Underwater Inspections

Phoenix takes a proactive approach to underwater inspections—identifying potential issues before they lead to costly failures. We are certified by all major regulatory and classification agencies and have a deep understanding of inspection criteria and compliance standards.

• Underwater Inspection In-Lieu of Dry Docking (UWILD)
  • Hull Life Extension
• In Service Inspection Plan (ISIP)
• Level II, III, and IV Nondestructive Examination (NDE)
  • Close Visual Inspection (CVI)
  • Flooded Member Detection (FMD)
  • Eddy Current Testing
  • Magnetic Particle Testing (MT)
  • Ultrasonic Testing (UT)
  • Liquid Penetrant Testing (PT)
  • Cathodic Potential Measurement (CP)
  • Alternating Current Field Measurement (ACFM)

Underwater Maintenance

Routine underwater maintenance increases equipment lifespan, improves performance, and preserves offshore assets. Phoenix provides scheduled maintenance services tailored to platform-specific needs:

• Riser clamp replacement
• Anode retrofit
• Tendon porch grounding straps repair and/or replacement

Maintenance – Cleaning

• Hulls
• Acoustic Doppler current profilers
• Dry tree strakes
• Fire pump intakes
• Cooling water intakes
• Marine growth

Underwater Repairs

Offshore platforms endure extreme environmental conditions that can result in structural damage and system failure. Phoenix provides fast-track underwater repairs, supported by in-house engineering and rapid response teams:

• Hyperbaric welding repairs
• Welding inside pontoons
• Tendon Tension Monitoring System (TTMS)
• Sea Chest Installations
• Cable repair and replacement
• TTMS calibration and servicing

Certifications & Compliance

Phoenix holds certifications from major international regulatory bodies, including: American Bureau of Shipping (ABS), Det Norske Veritas (DNV-GL), and American Society for Nondestructive Testing (ASNT).

All inspection data is documented and delivered to client or in-house engineers for use in repair planning, regulatory compliance, and as Objective Quality Evidence (OQE) during and after project execution.