A massive hauling job - The Costa Concordia

[sailorman]

A massive hauling job

BY TIM QUEENEY

Courtesy Boskalis​

http://www.youtube.com/watch?feature=player_embedded&v=NcmMhZ3NthA


Salvage companies righted the wrecked cruise ship Costa Concordia in September 2013. Then workers attached sponsons to the ship's crumpled starboard side to refloat it. At that point, the original plan called for the vessel to be towed to a breaker's yard by ocean-going tugs.
Now, however, the Italian-based cruise line Costa Crociere, the owners of the wreck, intend to transport it away from the Italian island of Giglio by using Dockwise Vanguard, a massive semi-submersible vessel normally used to transport gigantic structures such as oil rigs.
Once the starboard sponsons have been welded on and the wreck is floating due to their added buoyancy, Dockwise Vanguard will be partially submerged and the Costa Concordia wreck will be towed into position by tugs. Then Dockwise Vanguard will be "de-ballasted" and will lift the wreck clear of the water. See video animation of the process below.
Some yacht owners may be familiar with the Dockwise name due to Dockwise Yacht Transport, which uses semi-submersible vessels to haul yachts across oceans. Even given the size of superyachts these days, however, hauling the the 952-foot long, 114,000-gross-ton Costa Concordia wreck is a much more daunting task.

http://www.oceannavigator.com/Web-Exclusives-2013/Hauling-the-wreck-away/

 

[Greenheart]

That Dockwise Vanguard is worthy of a moment's appreciation...

...900ft long, 260ft wide and over 100ft draft when submerged! And capable of twelve knots...oh, I want to see the wash she churns up, carrying the 110,000 tonne Costa wreck!

 

[capnsensible]

That Dockwise Vanguard is worthy of a moment's appreciation...

...900ft long, 260ft wide and over 100ft draft when submerged! And capable of twelve knots...oh, I want to see the wash she churns up, carrying the 110,000 tonne Costa wreck!

Saw the vessel in Gib Bay 2 weeks ago off Punta Canero, anchored. Probably in for bunkers. Looks, er, bit odd......

Wont have wash, will do mebbe 4 knots laden, others in know may correct me on that point.

 

[Plomong]

A massive hauling job

BY TIM QUEENEY

Courtesy Boskalis​

http://www.youtube.com/watch?feature=player_embedded&v=NcmMhZ3NthA


Salvage companies righted the wrecked cruise ship Costa Concordia in September 2013. Then workers attached sponsons to the ship's crumpled starboard side to refloat it. At that point, the original plan called for the vessel to be towed to a breaker's yard by ocean-going tugs.
Now, however, the Italian-based cruise line Costa Crociere, the owners of the wreck, intend to transport it away from the Italian island of Giglio by using Dockwise Vanguard, a massive semi-submersible vessel normally used to transport gigantic structures such as oil rigs.
Once the starboard sponsons have been welded on and the wreck is floating due to their added buoyancy, Dockwise Vanguard will be partially submerged and the Costa Concordia wreck will be towed into position by tugs. Then Dockwise Vanguard will be "de-ballasted" and will lift the wreck clear of the water. See video animation of the process below.
Some yacht owners may be familiar with the Dockwise name due to Dockwise Yacht Transport, which uses semi-submersible vessels to haul yachts across oceans. Even given the size of superyachts these days, however, hauling the the 952-foot long, 114,000-gross-ton Costa Concordia wreck is a much more daunting task.

http://www.oceannavigator.com/Web-Exclusives-2013/Hauling-the-wreck-away/

In her current state she probably weighs somewhere less than 50000 tones. Gross tons are a measure of volume, not weight.

Plomong

 

[Greenheart]

Wont have wash, will do mebbe 4 knots laden, others in know may correct me on that point.

I only know what I found on Wikipedia...

http://en.wikipedia.org/wiki/Dockwise_Vanguard

...11-13 knots, loaded. Which I reckon would plough up some waves, particularly at 260ft wide!

Agree with you though, she's a funny looker:

View attachment 36296

 

[tudorsailor]

Lets hope that this submersible does not sink like one of its predecessors the Mighty Servant 3 http://www.rigzone.com/news/article.asp?a_id=38859 How embarrasing would that be

TudorSailor

 

[capnsensible]

I only know what I found on Wikipedia...

http://en.wikipedia.org/wiki/Dockwise_Vanguard

...11-13 knots, loaded. Which I reckon would plough up some waves, particularly at 260ft wide!

Agree with you though, she's a funny looker:

View attachment 36296

Impressive. The odd heavy lift Ive seen in the Straits is much slower. Pretty neat engineering. We went over for a close look, strange. Now in Rio according to AIS.

 

[masterofnone]

I wouldn't want to be the one paying the day rate for that.

 

[Bilgediver]

Saw the vessel in Gib Bay 2 weeks ago off Punta Canero, anchored. Probably in for bunkers. Looks, er, bit odd......

Wont have wash, will do mebbe 4 knots laden, others in know may correct me on that point.

The reason these ships move oil rigs is due to their speed. Rigs can do 3/4 knots self propelled...On the back of these ships 14 knots is not unusual.
In fact one of the problems they have to watch is that helm angles are controlled when at full speed to minimise heeling Gave our crew on one rig the willies
when a steering equipment fault gave an excessive amount of helm!

Speed is a lot more than 4 knots......Try 14 !!!!!

http://www.dockwise.com/page/fleet/vanguard.html

 

[paul.norton]

Dockwise Vanguard was in Malta a few weeks ago carrying a large oil rig. She was alongside the dry-dock for a couple of weeks while, presumably, they carried out maintenance work on the underwater sections of the rig.

The whole lot left Grand Harbour for deeper water where the rig was floated off - it was then towed back into port for further maintenance work.

A good alternative to a dry-dock for oil rigs.

Paul

 

[capnsensible]

The reason these ships move oil rigs is due to their speed. Rigs can do 3/4 knots self propelled...On the back of these ships 14 knots is not unusual.
In fact one of the problems they have to watch is that helm angles are controlled when at full speed to minimise heeling Gave our crew on one rig the willies
when a steering equipment fault gave an excessive amount of helm!

Speed is a lot more than 4 knots......Try 14 !!!!!

http://www.dockwise.com/page/fleet/vanguard.html

Its amazing engineering.... and seamanship!

Very happy to be corrected. Malta, Gib, Rio, Dockwise have clearly done their homework.

 

[doris]

A massive hauling job

BY TIM QUEENEY

Courtesy Boskalis​

http://www.youtube.com/watch?feature=player_embedded&v=NcmMhZ3NthA


Salvage companies righted the wrecked cruise ship Costa Concordia in September 2013. Then workers attached sponsons to the ship's crumpled starboard side to refloat it. At that point, the original plan called for the vessel to be towed to a breaker's yard by ocean-going tugs.
Now, however, the Italian-based cruise line Costa Crociere, the owners of the wreck, intend to transport it away from the Italian island of Giglio by using Dockwise Vanguard, a massive semi-submersible vessel normally used to transport gigantic structures such as oil rigs.
Once the starboard sponsons have been welded on and the wreck is floating due to their added buoyancy, Dockwise Vanguard will be partially submerged and the Costa Concordia wreck will be towed into position by tugs. Then Dockwise Vanguard will be "de-ballasted" and will lift the wreck clear of the water. See video animation of the process below.
Some yacht owners may be familiar with the Dockwise name due to Dockwise Yacht Transport, which uses semi-submersible vessels to haul yachts across oceans. Even given the size of superyachts these days, however, hauling the the 952-foot long, 114,000-gross-ton Costa Concordia wreck is a much more daunting task.

http://www.oceannavigator.com/Web-Exclusives-2013/Hauling-the-wreck-away/

Effing hell! If it was early April I would have thought this was a wind up. Hugely impressive engineering.