How Was the South Korean Naval Ship Raised?

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Discussion Overview

The discussion revolves around the methods and equipment used to raise a recently sunken South Korean naval ship. Participants explore the types of vessels and techniques involved in the recovery process, including the use of cranes and buoyancy aids.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • Some participants suggest that a recovery or salvage barge, described as a giant floating crane, is used for raising sunken vessels.
  • There is mention of the use of giant buoys to assist in lifting the vessel to a sufficient depth for the crane to operate.
  • One participant notes the possibility of using underwater inflatable balloons to aid in recovery efforts, while also mentioning the technique of divers digging channels to wrap chains and cables around the vessel for lifting.
  • Participants express admiration for the technology involved in the recovery process, highlighting the impressive nature of the floating crane.

Areas of Agreement / Disagreement

Participants share similar views on the types of equipment used but do not reach a consensus on the specific methods or techniques employed in this particular recovery operation.

Contextual Notes

The discussion includes various assumptions about the methods of raising sunken vessels, such as the effectiveness of buoyancy aids and the techniques used by divers, which remain unresolved.

pallidin
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pallidin said:
I was just doing my rounds on internet news and I came across this picture of a recently sunken South Korean naval ship being raised.

http://www.foxnews.com/world/2010/0...-torpedo-likely-sank-warship/?test=latestnews

Does anyone know what type of vessel is used for doing something like this?

Thanks.

I think it's called a recovery/salvage barge ... its basically a giant floating crane. I have no idea how it is ballasted in order to avoid tipping over, but the whole thing is rather impressive. You can see full shots of it in this video:

http://news.yahoo.com/video/world-15749633/19161526
 
Last edited by a moderator:
I think also in order to raise it so the crane can lift it, they use giant buoys if you like to raise it to a sufficient depth.
 
Thanks Spectra!
That's an awesome vid. Very impressive floating crane.
 
Simon Malzard said:
I think also in order to raise it so the crane can lift it, they use giant buoys if you like to raise it to a sufficient depth.

Yeah, I've heard about some serious underwater inflatable balloons to assist recovery efforts. Not sure if used here(I've heard that sometimes divers dig a channel underneath a sunken vessel to wrap chains and cables for eventual lift).
And the crane vid by Spectra rocks!
 

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