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{{Short description|Semi-submersible crane vessel}}
{|{{Infobox ship begin |display title=SSCV ''Thialf''}}
{|{{Infobox ship begin |display title=SSCV ''Thialf''}}
{{Infobox ship image
{{Infobox ship image
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*{{NetT|41,012}}
*{{NetT|41,012}}
|Ship displacement= 198,750 t max
|Ship displacement= 198,750 t max
|Ship length= {{convert|201.6|m|ft|abbr=on}}
|Ship length= {{convert|201.6|m|ftin|abbr=on}}
|Ship beam= {{convert|88.4|m|ft|abbr=on}}
|Ship beam= {{convert|88.4|m|ftin|abbr=on}}
|Ship height= {{convert|144.0|m|ft|abbr=on}} crane
|Ship height= {{convert|144.0|m|ftin|abbr=on}} crane
|Ship draft= {{convert|31.6|m|ft|abbr=on}} max
|Ship draft= {{convert|31.6|m|ftin|abbr=on}} max
|Ship depth={{convert|49.5|m|ft|abbr=on}}
|Ship depth={{convert|49.5|m|ftin|abbr=on}}
|Ship hold depth=
|Ship hold depth=
|Ship ice class=
|Ship ice class=
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}}
}}
|}
|}
The '''SSCV ''Thialf''''' is a huge [[Semi-submersible#Semi-submersible crane vessels (SSCV)|semi-submersible crane vessel]] operated by [[Heerema Marine Contractors]], and it was the largest [[crane vessel]] in the world until the {{ship|SSCV|Sleipnir}} became the largest in 2019.
'''SSCV ''Thialf''''' is a huge [[Semi-submersible#Semi-submersible crane vessels (SSCV)|semi-submersible crane vessel]] operated by the Netherlands-based [[Heerema Marine Contractors]]; it was the largest [[crane vessel]] in the world until the {{ship|SSCV|Sleipnir}} became the largest in 2019.


==History==
==History==
Line 82: Line 83:


==Layout==
==Layout==
The ''Thialf'' has two cranes with a combined maximum lifting capacity of 14,200 metric tons.<ref>{{cite web|url=http://absapps.eagle.org/safenet/record/record_vesseldetailsprinparticular?Classno=8503569&Accesstype=PUBLIC&ReferrerApplication=PUBLIC |title=American Bureau of Shipping Record, Thialf |url-status=dead |archiveurl=https://web.archive.org/web/20090420100116/http://absapps.eagle.org/safenet/record/record_vesseldetailsprinparticular?Classno=8503569&Accesstype=PUBLIC&ReferrerApplication=PUBLIC |archivedate=April 20, 2009 }}</ref>
The ''Thialf'' has two cranes with a combined maximum lifting capacity of {{convert|14200|MT}}.<ref>{{cite web|url=http://absapps.eagle.org/safenet/record/record_vesseldetailsprinparticular?Classno=8503569&Accesstype=PUBLIC&ReferrerApplication=PUBLIC |title=American Bureau of Shipping Record, Thialf |url-status=dead |archiveurl=https://web.archive.org/web/20090420100116/http://absapps.eagle.org/safenet/record/record_vesseldetailsprinparticular?Classno=8503569&Accesstype=PUBLIC&ReferrerApplication=PUBLIC |archivedate=April 20, 2009 }}</ref>


It is equipped with a class III [[dynamic positioning]] system. Propulsion and position keeping is by six 5,500&nbsp;kW retractable azimuthing thrusters. For shallow waters there are 12 [[Flipper Delta]] anchors, 22.5 t, with 2,500 meter, 80&nbsp;mm mooring wire.
It is equipped with a class III [[dynamic positioning]] system. Propulsion and position keeping is by six 5,500-kW retractable [[Azimuth thruster|azimuthing thrusters]]. For shallow waters, there are 12 [[Flipper Delta]] anchors at 22.5 t, with {{convert|2500|m|sp=us}}, 80 mm mooring wire.


The hull consists of two pontoons with four columns each. Transit draught is about 12 metres. For lifting operations it will normally be ballasted down to {{convert|26.6|m|ft|abbr=on}}. This way the pontoons (with a draught of 13.6 metres) are well submerged to reduce the effect of waves and swell.
The hull consists of two [[Float (nautical)|pontoons]] with four columns each. Transit draft is about {{convert|12|m|sp=us}}. For lifting operations, it is normally [[ballast]]ed down to {{convert|26.6|m|ftin|abbr=on}}. This way the pontoons (with a draft of {{cvt|13.6|m|ftin|disp=comma}}) are well submerged to reduce the effect of waves and swell.


It is able to accommodate 736 people.
It is able to accommodate 736 people.


Lightship weight is 72,484 t.
Its lightship weight is 72,484 t.


==Noteworthy projects==
==Noteworthy projects==
[[File:Thialf and Sleipnir.jpg|thumb|''Thialf'' and {{ship|SSCV|Sleipnir||2}} at Stavanger in May 2024. The {{ship|German corvette|Braunschweig}} in the foreground.]]

* Installing the pylon of the [[Erasmus Bridge]] in 1995.
* Installing the pylon of the [[Erasmus Bridge]] in 1995.

* Decommissioning of the [[Brent Spar]] in 1998.
* Decommissioning of the [[Brent Spar]] in 1998.
* In 2000 it set a world record of 11,883 t by lifting [[Royal Dutch Shell|Shell's]] Shearwater topsides, beaten by [[Saipem 7000]] in 2004 with the Sabratha deck lifting of 12,150 t.<ref>{{cite web|url=http://www.lr.org/News+and+Events/News+Archive/2004/Lloyds+Register+EMEA+assists+world+record+lift+for+Sabratha+topsides+installation.htm |publisher=Lloyd register |title=Lloyd's Register EMEA assists world record lift for Sabratha topsides installation |url-status=dead |archiveurl=https://web.archive.org/web/20070303003157/http://www.lr.org/News+and+Events/News+Archive/2004/Lloyds+Register+EMEA+assists+world+record+lift+for+Sabratha+topsides+installation.htm |archivedate=March 3, 2007 }}</ref>
* In 2000, it set a world record of 11,883 t by lifting [[Royal Dutch Shell|Shell's]] Shearwater topsides, beaten by [[Saipem 7000]] in 2004 with the Sabratha deck lifting of 12,150 t.<ref>{{cite web|url=http://www.lr.org/News+and+Events/News+Archive/2004/Lloyds+Register+EMEA+assists+world+record+lift+for+Sabratha+topsides+installation.htm |publisher=Lloyd register |title=Lloyd's Register EMEA assists world record lift for Sabratha topsides installation |url-status=dead |archiveurl=https://web.archive.org/web/20070303003157/http://www.lr.org/News+and+Events/News+Archive/2004/Lloyds+Register+EMEA+assists+world+record+lift+for+Sabratha+topsides+installation.htm |archivedate=March 3, 2007 }}</ref>
* In 2004 it installed the topsides on [[BP|BP's]] Holstein, at the time the world's largest [[Spar (platform)|spar]]. The lift was a record for the Gulf of Mexico: 7,810 t. The current record for Gulf of Mexico is now held by the ''Saipem 7000'' with the 9,521 t of PEMEX PB-KU-A2 deck installed in March 2007.<ref>{{cite web | url = http://www.rigzone.com/news/article.asp?a_id=43601| title = Saipem Sets New Record in Mexico}}</ref>
* In 2004, it installed the topsides on [[BP]]'s Holstein, at the time the world's largest [[Spar (platform)|spar]]. The lift was a record for the [[Gulf of Mexico]]: 7,810 t. The current{{As of when|date=May 2024}} record for Gulf of Mexico is now held by the ''Saipem 7000'' with the 9,521 t of PEMEX PB-KU-A2 deck installed in March 2007.<ref>{{cite web | url = http://www.rigzone.com/news/article.asp?a_id=43601| title = Saipem Sets New Record in Mexico}}</ref>
* In 2005 it installed the heaviest single piece foundation piles: 2.74 meters diameter x 190 meters long, weighing 818 t each for [[Chevron Corporation|Chevron's]] Benguela Belize [[compliant tower]].
* In 2005, it installed the heaviest single piece foundation piles: 2.74 meters diameter × 190 meters long, weighing 818 t each for [[Chevron Corporation|Chevron's]] Benguela Belize [[compliant tower]].
* In 2009 the ship became involved in the [[Alpha Ventus Offshore Wind Farm|Alpha Ventus]] project, the first German [[offshore windfarm]].
* In 2009, the ship became involved in the [[Alpha Ventus Offshore Wind Farm|Alpha Ventus]] project, the first German [[offshore windfarm]].
* 2017-2018: The Thialf was involved in the installation of the platform sections of the Johan Sverdrup Complex—part of the development of the [[Johan Sverdrup oil field]].<ref>{{cite web | url = https://issuu.com/pms72/docs/iro_catalogue_2019/s/78851| title = Special projects thanks to Dutch offshore contractors}}</ref>
* 2017-2018: ''Thialf'' was involved in the installation of the platform sections of the Johan Sverdrup Complex, part of the development of the [[Johan Sverdrup oil field]].<ref>{{cite web | url = https://issuu.com/pms72/docs/iro_catalogue_2019/s/78851| title = Special projects thanks to Dutch offshore contractors}}</ref>


==Footnotes==
==Footnotes==
{{reflist|2}}
{{reflist}}


==External links==
==External links==

Latest revision as of 16:09, 6 December 2024

SSCV Thialf in a Norwegian fjord
History
NameSSCV Thialf
NamesakeThialfi (Norse servant of Thor)[1]
OperatorHeerema Marine Contractors
BuilderMitsui Engineering & Shipbuilding[2]
Identification
StatusIn service
General characteristics
Class and typeSemi-submersible crane vessel
Tonnage
  • 136,709 GT
  • 41,012 NT
Displacement198,750 t max
Length201.6 m (661 ft 5 in)
Beam88.4 m (290 ft 0 in)
Height144.0 m (472 ft 5 in) crane
Draft31.6 m (103 ft 8 in) max
Depth49.5 m (162 ft 5 in)
Propulsion6 × 5,500 kW retractable azimuthing thrusters
Complement736 berths

SSCV Thialf is a huge semi-submersible crane vessel operated by the Netherlands-based Heerema Marine Contractors; it was the largest crane vessel in the world until the SSCV Sleipnir became the largest in 2019.

History

[edit]

The ship was constructed in 1985 as DB-102 for McDermott International by Mitsui Engineering & Shipbuilding Co., Ltd. In 1997, it was taken over by Heerema Marine Contractors after discontinuation of their joint venture with McDermott, HeereMac, and renamed Thialf.

Layout

[edit]

The Thialf has two cranes with a combined maximum lifting capacity of 14,200 metric tons (14,000 long tons; 15,700 short tons).[4]

It is equipped with a class III dynamic positioning system. Propulsion and position keeping is by six 5,500-kW retractable azimuthing thrusters. For shallow waters, there are 12 Flipper Delta anchors at 22.5 t, with 2,500 meters (8,200 ft), 80 mm mooring wire.

The hull consists of two pontoons with four columns each. Transit draft is about 12 meters (39 ft). For lifting operations, it is normally ballasted down to 26.6 m (87 ft 3 in). This way the pontoons (with a draft of 13.6 m, 44 ft 7 in) are well submerged to reduce the effect of waves and swell.

It is able to accommodate 736 people.

Its lightship weight is 72,484 t.

Noteworthy projects

[edit]
Thialf and Sleipnir at Stavanger in May 2024. The German corvette Braunschweig in the foreground.
  • Decommissioning of the Brent Spar in 1998.
  • In 2000, it set a world record of 11,883 t by lifting Shell's Shearwater topsides, beaten by Saipem 7000 in 2004 with the Sabratha deck lifting of 12,150 t.[5]
  • In 2004, it installed the topsides on BP's Holstein, at the time the world's largest spar. The lift was a record for the Gulf of Mexico: 7,810 t. The current[as of?] record for Gulf of Mexico is now held by the Saipem 7000 with the 9,521 t of PEMEX PB-KU-A2 deck installed in March 2007.[6]
  • In 2005, it installed the heaviest single piece foundation piles: 2.74 meters diameter × 190 meters long, weighing 818 t each for Chevron's Benguela Belize compliant tower.
  • In 2009, the ship became involved in the Alpha Ventus project, the first German offshore windfarm.
  • 2017-2018: Thialf was involved in the installation of the platform sections of the Johan Sverdrup Complex, part of the development of the Johan Sverdrup oil field.[7]

Footnotes

[edit]
  1. ^ "Thialf". Ugly Ships. 14 May 2010. Retrieved 26 March 2011.
  2. ^ "DCV Thialf". Heerema Marine Contractors. Archived from the original on 23 June 2012. Retrieved 26 March 2011.
  3. ^ "DCV Thialf". Marine Traffic. Retrieved 26 March 2011.
  4. ^ "American Bureau of Shipping Record, Thialf". Archived from the original on April 20, 2009.
  5. ^ "Lloyd's Register EMEA assists world record lift for Sabratha topsides installation". Lloyd register. Archived from the original on March 3, 2007.
  6. ^ "Saipem Sets New Record in Mexico".
  7. ^ "Special projects thanks to Dutch offshore contractors".
[edit]
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