• Complex steel and cofferdam repairs carried out afloat

    Complex steel and cofferdam repairs carried out afloat

    17/07/2015
    Hydrex has an in-house Research & Development department that can take care of the engineering aspects of an operation. In this way turnkey solutions can be offered for complex hull and other repairs that require the construction of specific equipment.   Download .PDF
  • Underwater propeller modifications in Spain

    Underwater propeller modifications in Spain

    24/06/2015
    Recently Hydrex diver/technicians performed propeller croppings on two vessels berthed in Algeciras, close to the Spanish Hydrex office. The first operation was carried out on a 174-meter LPG tanker, the second one on a 230-meter bulk carrier. Both ships had suffered torn off pieces, severe cracks and bents on all four propeller blades. An on-site... Read more
  • Dry shaft seal renewal underwater in Australia

    Dry shaft seal renewal underwater in Australia

    01/06/2015
    In May a Hydrex diver/technician team carried out underwater stern tube seal repairs on a 200-meter roro vessel in Port Kembla, Australia. The ship was suffering from an oil leak, making an on-site repair necessary. Taking advantage of the Hydrex flexible mobdock technique the team was able to carry out the entire operation on-site and... Read more
  • Underwater propeller cone fin installation offers immediate fuel savings

    Underwater propeller cone fin installation offers immediate fuel savings

    01/06/2015
    Last month Hydrex installed a propeller cone fin on a general cargo vessel. This operation was carried out in Antwerp, but can be performed economically almost anywhere. As a result of the underwater operation an owner can instantly start benefitting from the fuel savings a propeller cone fin brings. He does not have to wait... Read more
  • Underwater rudder crack repair in Haifa

    Underwater rudder crack repair in Haifa

    30/04/2015
    At the end of March a Hydrex team traveled to  Haifa, Israel to carry out a crack repair on the rudder of a 260-meter container vessel. The divers started the operation with a detailed underwater inspection of the affected area. This was done under the supervision of a representative of the classification society. With the... Read more
  • Underwater propeller blade cropping in Yeosu restores efficiency

    Underwater propeller blade cropping in Yeosu restores efficiency

    30/04/2015
    Last month a diver/technician team performed a successful propeller blade cropping operation on a 190-meter bulker under difficult weather circumstances while the vessel was at anchorage in Yeosu, South-Korea. An underwater inspection was done by our local support base. This revealed that all five blades were bent severely, with two of the blades bent 90°... Read more
  • Underwater bow thruster installation in stages allows vessel to stay on schedule

    Underwater bow thruster installation in stages allows vessel to stay on schedule

    27/03/2015
    Two and a half months after Hydrex diver/technicians removed the bow thruster of a 363-meter container vessel in Rotterdam, a Hydrex team once again mobilized to reinstall the overhauled unit underwater with the use of the Hydrex flexible mobdock technique. Like the removal, the operation was performed in stages at several locations to allow the... Read more
  • Permanent underwater hull repairs keep vessels out of drydock

    Permanent underwater hull repairs keep vessels out of drydock

    27/02/2015
    Last month Hydrex teams carried out underwater insert repairs on vessels in Zeebrugge and Antwerp. Both vessels had suffered cracks in the shell plating. In Zeebrugge a 600mm x 300mm plate was installed in the flat bottom of a 203-meter ro/ro vessel. A similar operation was carried out with a 300mm x 300mm plate on... Read more
  • Underwater propeller repair in Uruguay with new generation equipment

    Underwater propeller repair in Uruguay with new generation equipment

    27/02/2015
    Recently a diver/technician team performed a successful propeller blade cropping operation on a 190-meter bulker at anchorage in Punta del Este, Uruguay. An underwater inspection revealed that all five blades were bent severely, with three of the blades bent over more than 90°. Cropping was the only option. By taking advantage of the in-house developed... Read more
  • Immediate fuel savings from underwater propeller cone fin installation

    Immediate fuel savings from underwater propeller cone fin installation

    27/02/2015
    Over the last few months Hydrex installed different types of propeller cone fins on bulk carriers and general cargo vessels. These operations were carried out in Antwerp and Panama. They can be performed economically almost anywhere. As a result of the underwater operation an owner can instantly start benefitting from the fuel savings a propeller... Read more
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