• New Book Announcement - Quantification of Pollution Levels in Harbour Sediments – A Geospatial Perspective

    New Book Announcement - Quantification of Pollution Levels in Harbour Sediments – A Geospatial Perspective

    12/07/2013
    As promised, the full report of a preliminary research project into global sediment contamination levels conducted by Dr. Ilse Steyl, Prof. Fani Sakellariadou and Dr. Simon Bray with a Technical Review by Dr. W. J. Langston of the Marine Biological Association, UK, has been published in hardback book form and is available at Tahoka Press... Read more
  • World premiere: permanent underwater repairs to all types of propellers now possible

    World premiere: permanent underwater repairs to all types of propellers now possible

    14/06/2013
    Over the years the Hydrex R&D department has continuously improved underwater repair techniques to make it possible for Hydrex diver/technicians to perform permanent repairs on seals, thrusters, rudders and almost any other part of the underwater vessel without the ship needing to go to drydock. The final step has now been taken by the development... Read more
  • No drydocking needed after fast underwater stern tube seal repairs in Singapore

    No drydocking needed after fast underwater stern tube seal repairs in Singapore

    14/06/2013
    In May, Hydrex diver/technician teams carried out underwater stern tube seal repairs on a 292-meter, 50,644 grt container vessel in Singapore. The ship was suffering from an oil leak, making a fast repair necessary. Using one of the company’s flexible mobdocks the team was able to carry out the entire operation on-site and underwater, saving... Read more
  • New generation propeller repair equipment used for operations in Denmark and Croatia

    New generation propeller repair equipment used for operations in Denmark and Croatia

    14/06/2013
    Recently teams of Hydrex diver/technicians performed propeller blade croppings on several vessels across Europe. In Kalundborg, Denmark the four propeller blades of a 170-meter bulk carrier were cropped. A similar operation was carried out on a 330-meter cruise vessel in Dubrovnik, Croatia. Having developed different procedures for different kinds of damage, Hydrex is equipped and... Read more
  • Permanent underwater hull repairs keep tanker out of drydock

    Permanent underwater hull repairs keep tanker out of drydock

    14/06/2013
    Last month a Hydrex team mobilized to a 100-meter tanker vessel berthed in Rotterdam to perform underwater hull repairs. Despite the relative small scale of this operation, it was nonetheless vital for the shipowner. It allowed him to keep his vessel out of drydock and avoid having to go off hire. Hydrex on-site hull repair... Read more
  • Hydrex White Paper No. 12 and 12A, Ship-hull Performance Optimization Tool (SPOT) Pilot Project

    Hydrex White Paper No. 12 and 12A, Ship-hull Performance Optimization Tool (SPOT) Pilot Project

    14/06/2013
    There has been a great deal of attention amongst ship hull paint manufacturers on the subject of a transparent standard for measuring ship hull performance and efficiency. This came in the wake of a series of claims on the subject that “so-and-so paint will save x% of fuel bills.” Of course a standard of this... Read more
  • New generation mobdock used for fast underwater stern tube seal replacement in Port Everglades

    New generation mobdock used for fast underwater stern tube seal replacement in Port Everglades

    17/05/2013
    In February Hydrex diver/technician teams carried out underwater stern tube seal repairs on a 139-meter container vessel in Port Everglades, Florida, close to the company’s office in Clearwater. The vessel was suffering from an oil leak, making a fast repair necessary. Using one of the company’s next generation flexible mobdocks the team was able to... Read more
  • Rapid underwater bow thruster removal avoids drydocking

    Rapid underwater bow thruster removal avoids drydocking

    17/05/2013
    A Hydrex diver/technician team mobilized to Tacoma, Washington, U.S.A. last month to remove the bow thruster of a 294-meter container vessel. The unit needed to be overhauled. Hydrex performed the operation underwater in a very short time frame. This made it possible for the owner to keep his vessel out of drydock. Together with all... Read more
  • Underwater propeller blade straightening in Denmark with Hydrex new generation equipment

    Underwater propeller blade straightening in Denmark with Hydrex new generation equipment

    17/05/2013
    In April, a diver/technician team performed successful propeller blade straightening operations on two vessels at anchorage in Kalundborg, Denmark. First the bent blades of a 225–meter bulk carrier were restored. The team then straightened the damaged blades of 158-meter reefer in the same location. By taking advantage of the in-house developed cold straightening technique, damaged... Read more
  • Fast on-site propeller repairs in Germany and Spain keep ships out of drydock

    Fast on-site propeller repairs in Germany and Spain keep ships out of drydock

    19/04/2013
    Last month, Hydrex teams carried out underwater propeller operations in Bremen and Rostock (Germany) and Algeciras (Spain). In Algeciras a 200-meter vehicle carrier had its five propeller blades cropped. In Germany three of the five blades of a 183-meter tanker were grinded, re-profiled and polished while a fourth one was straightened. Both repairs were carried... Read more
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