Hydrex

Double stern tube seal repair on pipe laying vessel in Rotterdam

Double stern tube seal repair on pipe laying vessel in Rotterdam

Our diver/technicians replaced the seals of both stern tube assemblies of a pipe laying vessel berthed in Rotterdam. Using a Hydrex flexible mobdock they were able to carry out the entire operation on-site and underwater, saving the owner an expensive and time-consuming trip to drydock.

Once the operation was confirmed all preparations were handled swiftly and the lightweight equipment was mobilized. The operation then started with...

https://allaboutshipping.co.uk/2021/12/21/double-stern-tube-seal-repair-on-pipe-laying-vessel-in-rotterdam/

Zero by 2050: Is the technology there yet?

If you didn’t get the message that shipping needs to decarbonize, welcome back from your vacation on Mars. The International Maritime Organization has set what the International Chamber of Shipping describes as an “ambitious” goal of reducing total GHG reductions from shipping by 50% by 2050. In terms of the difficulty of achieving it, the goal is, indeed, ambitious. In terms of having a meaningful impact on slowing global warming, it is seen by many as “modest.”

Influential NGO Transportation &...

https://www.marinelog.com/shipping/environment/zero-by-2050-is-the-technology-there-yet/

Scrubber overboard pipe repairs in Europe

Scrubber overboard pipe repairs in Europe

Hydrex diver/technician welding one of the new scrubber pipes.

Recently Hydrex diver/technicians carried out scrubber overboard pipe repairs in Belgium, France, the Netherlands and Spain. The corroded areas of two scrubber pipes were ground out and rewelded on a 200-meter roro vessel. On a 400-meter container ship six pipes were replaced. In all cases the pipes were protected with Ecospeed, a highly chemically resistant coating produced by Subsea...

https://allaboutshipping.co.uk/2021/01/04/scrubber-overboard-pipe-repairs-in-europe/

Cavitation and Corrosion Repairs on Afloat RoRo Ship

An article in Maritime Technology reports of the pipe repair on a 200-meter roro ship done by Hydrex diver/technicians during her stop in Southampton, UK.

Leak due to corrosion damage

The vessel was suffering a leak as a result of corrosion damage to the pipe and a swift on-site solution was suggested by the company’s technical department.

The repairs were performed afloat. This gave the owner a cost-effective alternative for drydock.

While preparations for the welding work were ongoing inside the...

http://mfame.guru/cavitation-and-corrosion-repairs-on-afloat-roro-ship/

Hydrex Underwater Thruster Repairs Adapt to Ship’s Schedule

Hydrex can perform bow thruster removals and reinstallations on all types of tunnel thrusters, reports the Maritime Executive.

These repairs are carried out in cooperation with OEMs on any location. They are performed while the vessel stays afloat without impact on its schedule.

Thruster operations using mobdocks

Tunnel thruster operations are carried out using our flexible mobdocks that close off the tunnel on both sides.

This allows divers to work in a dry environment around the unit. Hydrex’s...

http://mfame.guru/hydrex-underwater-thruster-repairs-adapt-to-ships-schedule/

Vital Underwater Seal Repaired on a Berthed Tanker With No Drydocking

The Hydrex team carried out an underwater stern tube seal repair on a tanker berthed in Algeciras, that was suffering from an oil leak and no drydock was available close by. 

How was that handled?
  • The divers replaced the damaged seals underwater using one of the company’s flexible mob docks. 
  • This saved the owner an expensive and time-consuming trip to a drydock further away.
  • Once the operation was ordered all preparations were handled swiftly and the lightweight equipment was mobilized almost...

http://mfame.guru/vital-underwater-seal-repaired-on-a-berthed-tanker-with-no-drydocking/

Hydrex Completes Bulk Carrier Propeller Modifications in Singapore And Netherlands

Recently teams of Hydrex diver/technicians performed propeller blade modifications on several tankers and bulk carriers, says a press release published in their website.

Summary of events
  • The four blades of a 190-meter bulk carrier’s propeller were severely bent. An on-site solution was needed to restore the propeller’s balance and efficiency.
  • A team was therefore mobilized to Cam Pha, Vietnam to bring the damaged blades back as close as possible to their original condition.
  • After the equipment...

http://mfame.guru/hydrex-completes-bulk-carrier-propeller-modifications-in-singapore-and-netherlands/

[Answer] How Are Underwater Bow Thruster Operations Performed?

An article published in Maritime Technology explains the operation of underwater bow thruster in Oslo.

About the Incident

A team of Hydrex diver/technicians were mobilized to Oslo, Norway for an underwater bow thruster operation on a large ferry. A seal in the gearbox was leaking and needed to be replaced.

A small window was made available for the operation, but the repair had to be finished before the next scheduled trip.

Tailor-made cofferdam

A preliminary inspection of the bow thruster had...

http://mfame.guru/answer-how-are-underwater-bow-thruster-operations-performed/

Underwater rudder operation in Dubai

Hydrex diver performing welding work on the rudder.

Underwater rudder operation in Dubai

Hydrex as contacted by the owner of a 193-meter roro ship to secure both rudders of the vessel. This would allow the OEM to safely perform repairs on the rudders from inside the engine room. A team of the company’s divers therefore mobilized to Jebel Ali, Dubai to perform the operation during the ship’s stop.

The manufacturer needed to work on both rudders and they needed to be disconnected for this. Hydrex...

http://www.allaboutshipping.co.uk/2019/05/21/underwater-rudder-operation-in-dubai/

[Answer] How Hydrex Delivers Customized Stern Repairing Under and Above Water?

Hydrex divers have always provided customized repair solution above and underwater in times of need. But how they do it in such a short span of time in real time remains a mystery. So here we are taking a look into how they carried out six stern tube seal operations all across Europe in a very short time span. 2 of those repairs are being analyzed in this detailed press release issued by Hydrex.

The 2 Repairs in Question

In Flushing the four damaged seals of a 268-meter container vessel were...

http://mfame.guru/answer-how-hydrex-delivers-customized-stern-repairing-under-and-above-water/

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