Surveys & Inspections

UWILD & Class IWS

Every actively trading vessel is required by its classification society to undergo a UWILD (Underwater Inspections in Lieu of Dry-docking) periodically depending on the type of asset.  Also known as class in- water surveys (IWS), these are required to ensure the structural and operational integrity of a marine asset throughout its life span. The inspections also ensure regulatory compliance in accordance with the IMO, flag state, and class regulations.

SGS’ survey and inspection services include:

• In-water surveys in lieu of dry docking
• Condition surveys
• Pre-purchase surveys
• Sea valve /chest Inspections
• New Zealand MPI inspection services
• Impact damage inspections
• Propeller crack detections
• Underwater structural inspections
• Seabed surveys, corrosion surveys etc
• NDE inspections
• Marine construction inspections such as dams, power stations, bridge inspections.

‍