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Thursday, April 4, 2019 

DNV GL has approved the use of service suppliers to provide close-up surveys using remote inspection technologies (RIT) drones, climbers or remotely operated vehicles (ROVs).

RITs can be used as an alternative to close-up surveys in both DNV GL rules and IACS Unified Requirements. The use of the technology could reduce survey time and costs, while improving the safety of surveyors and the owner’s personnel.

Service suppliers must be able to successfully carry out a close-up survey according to the requirements given by DNV GL.  The attending DNV GL surveyor will witness the survey and watch the details of the close-up inspection through a live video stream. The quality of the data obtained during RIT-assisted surveys must be equivalent to that of a traditional survey. The data is later compiled into a final report.

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