• Underwater repairs in Poland allow ship to sail on after severe grounding damage

    Underwater repairs in Poland allow ship to sail on after severe grounding damage

    23/08/2013
    In June a fully loaded 229-meter bulker suffered a 14-meter gash and some smaller cracks during a collision just outside the port of Gdansk, Poland. The classification society did not allow the ship to sail on until a temporary repair was made. Because the ship had just been loaded in Gdansk, it was essential that... Read more
  • Fast underwater stern tube seals repairs with new generation mobdocks

    Fast underwater stern tube seals repairs with new generation mobdocks

    23/08/2013
    Hydrex has carried out on-site, underwater repairs and replacements on all types of seals for a number of years now.  A dry environment is created underwater in which the divers can work. Several major classification societies have also awarded Hydrex certificates that accept the Hydrex revolutionary flexible mobdock technique to perform permanent underwater seal repairs... Read more
  • New generation propeller cleaning offers large cost savings

    New generation propeller cleaning offers large cost savings

    12/07/2013
    The effect of a rough propeller on the vessel’s fuel consumption is significant. The cost of remedying a rough propeller is very minor. Remedies for a rough propeller are not only simple and quick to execute, they also represent a fast, high return on investment. A rough propeller results in a fuel penalty for the... Read more
  • Recent conferences and presentations

    Recent conferences and presentations

    12/07/2013
    Over the last couple of months we have attended numerous exhibitions and conferences around the world, giving presentations on various topics or sitting on panels to discuss the future of sustainable shipping. In this article you can read an account of two of the more recent conferences we took part in: the Workshop on Biofouling... Read more
  • Underwater bow thruster reinstallation in Tacoma, U.S.A.

    Underwater bow thruster reinstallation in Tacoma, U.S.A.

    12/07/2013
    Three months after Hydrex diver/technicians removed the bow thruster of a 294-meter container vessel in Tacoma, a Hydrex team once again mobilized to this location to reinstall the overhauled unit underwater with the use of the Hydrex flexible mobdock. The superintendent of the ship was very satisfied with the first part of the operation. The... Read more
  • 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
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