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Seaward Marine Services NDT Division Completes over 100 Hull Surveys using Lamp Ray® ROV

Posted May 13, 2015
Written by Cecil C. Achord
As of April 2015, the Seaward Marine Services, Inc. NDT Division has now completed more than 100 hull surveys using the Lamp Ray® ROV, recently including three LPD class ships and two USNS ships in Norfolk, and a CG in San Diego.

LAMP RAY® is a robotic scanning system that gives a complete picture of the ships underwater hull condition including hull plate thickness, paint dry film thickness, cathodic hull potential, and visual inspection.  This is accomplished using accepted and approved techniques and practices by the U.S. Navy, U.S. Coast Guard, and classification societies.  The ROV “is a underwater NDT laboratory” whose location is tracked using a high precision acoustic tracking system that records this data in ships coordinates with high precision (±15cm = ±6in),.all data is time stamped which permits post-survey verification and validation of data.  All of this allows NDT technicians to process and review this data and generate a survey report in an html format which uses standard internet browser to view the report.  This allows for an easy to read report thus giving the ships manager the ability to identify potential problems that can be planned for and addressed.
 

Seaward Marine Services, Inc. Lamp Ray® ROV from Seaward Marine Services, Inc. on Vimeo.
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Lamp Ray® ROV Underwater HD Video from Seaward Marine Services, Inc. on Vimeo.
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