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Approved In Water Class Surveys

Class Survey approvals by BV, CRS and GL class surveyors. Dubina Services have completed over 150 of Hull surveys for class. Dubina Engenering have been ISO 9001:2002 accredited by Croatian Register Quality Assurance. We have been class approved for In-water surveys since 2001.

Class approvals for:

- Ships

- Mobile offshore units

- Propeller Polishing

- Hull Polishing & Cleaning

- Underwater Welding & Cutting

- Propeller Balancing & Trimming

- NDT Inspections (Ultrasonic)

- Sea Chest Cleaning

- High Quality Colour Video Inspections

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Hull Condition Inspections

This important function can be undertaken through the use of either ROV’s (Remote Observation Vehcile) which is a diverless operation OR through the deployment of qualified divers with hand-held video and still-camera.  Both methods of observation can be relayed to the surface in real time on closed circuit TV monitors.
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Propeller Polishing and repairs

Dubina Engenering use the Scotchbrite 3M system with propeller polish pads in grain 3 and 5 to achieve a high quality mirror like finish (where propeller casting allows). Before and after photos of our underwater polishing service are always provided. Our clients consistently advise us after service of the immediate recognisable fuel savings as a result of our underwater propeller service.
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Underwater surveys

Dubina Engenering provide high quality ROV inspection services to offshore oil and gas, pipelines, overseas communication cables, ships, anchor and chain recovery, throughout Adriatic sea.