Hull diminution surveys
Systematic assessment of hull plating and structural members for measured material loss.
Marine NDT
Marine Hull Diminution Surveys & UTM Gaugings
NVI's marine teams provide ultrasonic thickness measurements and hull diminution data that support class surveys, condition assessment, and efficient repair planning.
Inspection done right
Reliable results for critical assets
Experienced marine technicians collect structured thickness data across hull plating, internal structure, tanks, and other designated areas. Measurements are organized around the approved survey scope and reported clearly for owner, repair yard, and class review.
NVI understands the cost of vessel downtime. Our Gulf Coast presence, trained personnel, and reporting support help clients complete surveys safely and move from inspection to repair decisions quickly.
Capabilities
What NVI provides
UTM gaugings
Ultrasonic thickness measurements collected at specified locations and documented for review.
Class survey support
Inspection support for programs involving major classification societies and marine authorities.
Repair planning data
Clear measurement records that help owners and yards identify steel renewal and repair priorities.
Tank and internal structure
Thickness measurement programs for ballast tanks, cargo spaces, and internal structural members.
Rapid field coordination
Mobilization and reporting support designed around dry dock, port, and operational schedules.
Applications
Where this service is used
- Commercial vessels
- Offshore support vessels
- Tugs and workboats
- Barges
- Marine tanks and internal structures
- Offshore and port structures
Quality and compliance
Built around your requirements
NVI develops each inspection scope around the asset, operating conditions, applicable code, and client procedure. Certified technicians provide timely field communication and clear reporting so owners can make informed maintenance decisions.
Start a conversation
Need an inspection plan for your asset?
Tell us about the scope, location, schedule, and applicable requirements. NVI will help identify an efficient inspection approach.