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UWILD — In-Water Surveys

In-water survey (UWILD) and RIT of FPSO and vessel hulls with the SRV-8X Optimus mini-ROV — a safe dry-dock alternative that generates no downtime.

UWILD — In-Water Surveys — HPS Offshore

Inspection scope

  • Assessment of biofouling levels.
  • Detection of corrosion, coating degradation and structural damage.
  • Inspection of hull plating, weld seams, sea chests, thrusters and appendages.
  • Assessment of sacrificial anodes and cathodic protection systems.
  • Ultrasonic thickness measurement to determine remaining steel.

Key benefits

  • No dry-docking required.
  • Reduced inspection time and cost.
  • Safe alternative to diver inspections.
  • High-quality technical and visual data.

Deliverables

  • High-Definition (HD) underwater photos and video.
  • Hull condition summary and biofouling levels.
  • Thickness measurement results (where applicable).
  • Technical inspection report with recommendations.

Frequently asked questions

What is a UWILD inspection?

UnderWater Inspection in Lieu of Drydocking: an in-water hull survey accepted as an alternative to dry-docking, so the vessel or FPSO does not interrupt its operation.

How often is a UWILD required?

It depends on the classification society and on the vessel type and age; it is typically accepted at the intermediate surveys of the class cycle. We coordinate the scope directly with class and the operator.

What do you inspect and what do you deliver?

Hull plating, weld seams, sea chests, thrusters, appendages and cathodic protection systems, with ultrasonic thickness measurement. We deliver HD photos and video, a hull condition summary and a technical report with recommendations.

Why with an ROV instead of divers?

With no personnel in the water, operational risk drops, the visual record is consistent and high quality, and time and cost are reduced. The SRV-8X Optimus mini-ROV works around the hull and its appendages.

Need this service for your project?

Tell us about your scope, location and timeline. We respond within one business day.

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