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DNV GL COMPLETES REMOTE SHIP SURVEYS USING ROV

Monday, August 31, 2020 

The first in-water remote ship surveys using a remotely operated vehicle (ROV) have been completed by DNV GL, on three separate Wilson ASA-managed vessels with the first having been completed on the 'Wilson Fedje' in December 2019 by a surveyor from HÝvik.

The latest in-water survey of this kind was performed earlier in July on another ASA Wilson-managed vessel in Bergen, Norway. Elias Triantafyllidis, the remote surveyor, attended the survey from the DNV GL DATE (Direct Access To Experts) hub in Piraeus, Greece. As with the two previous surveys, it was conducted in collaboration with VUVI, a Norwegian inspection company certified by DNV GL to perform underwater inspections for ships and offshore platforms using ROVs.

Knut Ørbeck-Nilssen, CEO of DNV GL - Maritime, said: “We are delighted to have collaborated with VUVI and Wilson ASA to deliver this exciting new approach to remote surveys. DNV GL has been carrying out remote surveys since 2018, so this service is an extension of a broad suite of remote services that are already available. Naturally, the pandemic has pushed us to scale up the intensity of remote service delivery and we are fortunate that our longstanding commitment to digital advancement has meant we are well positioned to respond to the needs of our customers during this difficult time.”

Survey planning and review of hull drawings were completed the day prior to the survey, thereby optimising the degree of survey assurance. During the inspection, the surveyor used VUVI’s sonar technology to scan the vessel’s bottom in order to locate the hull equipment, such as echo sounder sensors; speed log sensors and sea chests, while simultaneously assessing the general condition of the hull.

The in-water survey was concluded in two-and-a-half hours, a similar timeframe to traditional surveys, with the same level of assurance as an in-person survey.

“Working in a modern world, with technologies allowing us carry out a bottom-survey without deviation or off-hire, we are really enabling a huge potential for efficiency and environmentally friendly solutions,” said Thorbjørn Dalsøren, General Director of Wilson Ship Management. "We trust this will be adapted to several more of our operations, taking advantage of digital solutions.”

DNV GL has recorded a 33% uplift in the weekly number of remote surveys conducted compared to pre-pandemic levels. In total, DNV GL has now conducted an estimated 17,400 remote surveys worldwide since 2018 with on average 300 remote surveys being carried out every week.

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