UK: GustoMSC Contracts Seajacks to Provide Basic Design for Two Self-Propelled Jack-Ups

In February 2010 Seajacks entered into a contract with GustoMSC to provide the Basic Design Package for two purpose built wind farm installation vessels.

In June 2010 Seajacks entered into a contract with Lamprell shipyard to build these new vessels and Seajacks will take delivery of the first new-build, Seajacks Zaratan, in May 2012, and the additional new-build shortly thereafter.

These self-propelled jack-ups have been designed specifically to service the wind farm installation market in the harsh operating environment of the North Sea, as well as to provide services to the oil and gas industry. The vessels will be a modified version of the MSC NG5500 design, which incorporates a fully redundant DP2 propulsion system, accommodations for 90 persons, and an 800T leg encircling crane designed by MSC.

Seajacks Zaratan Construction Summary – 11/08/2011

 

STRUCTURAL

 Hull:

  •  Completed up to main deck level with exception of:-
  •  Completed up to main deck level with exception of; blocks 1, 4 & 19 (3 x corner blocks – presently under sub assembly). Block 20 has now been installed and installation of Block 4 has commenced
  • All 4 x Jack houses under various stages of fabrication/assembly (25B is still in blast/paint)
  • Weld repair rate is currently 0.42%

 Spud Cans:

  •  Completed

 Legs:

  •  Leg Fabrication completed as follows:-
  •  4 x starter sections – 100%, 86%, 96%, 90% completed
  • 4 x lower sections – 2%, 62%, 21%, 69% completed
  • 4 x upper section – 0%, 38%, 0%, 43% completed
  • First leg section (Port – Aft), starter section is complete and due for delivery to LEL on 13/8/11
  • The second leg section (Port-Fwd) is complete and scheduled for delivery on 20/8/11

 Main Deck:

  •  EDG room (Block 36) under assembly
  • Main Deck closing, (Block 32) now complete and painted
  • Main Deck closing, (Block 32) now complete and painted
  • STRB – AFT Dummy Funnel (Block 35) under assembly

 Accommodation:

  •  Structure complete up to and including 4th level – painting now complete with outfitting in progress and installation scheduled for 14/8/11
  • Bridge deck (Block 42) under assembly
  • Main Deck office block (Block 37) is under final welding
  • Helideck support structure (Block 44) under assembly

 Foundations:

  •  Effectively complete throughout tank top level

 Cable Trays:

  •  Completed in switchboard room
  • Ongoing throughout machinery spaces, below deck accommodation areas and main accommodation block

 Electric Cable:

 Commenced running 690V cable on 2/8/11

 Machinery Installation:

 The following have been installed:-

  •  Aft Thruster Room: Machinery in situ and main deck closed but machinery not installed yet
  • Main Engine Room: All machinery installed
  • Port Auxiliary Room: All machinery installed
  • Hotel Auxiliary Room: Machinery installed with exception of sewage tank and water mist unit
  • Starboard Auxiliary Room: All machinery installed
  • HPU Room: Awaiting delivery of HPU units – due in yard mid September (currently being packed for shipment)

 Main equipment received on site and stored: –

  •  ELEC – Bulk Cable. VSD’s and soft starts for the SW supply and cooling pumps
  • MACHINERY – Emergency genset, W/T doors, windows, HVAC equipment
  • ACCOMM – Wet Rooms
  • GALLEY – Assorted equipment

 Pipe work:

  • Ongoing throughout machinery spaces

 800T Crane:

  •  Still ahead of schedule. Tub collar is to be delivered 2/9/11 (4 x weeks ahead of schedule)

 Auxiliary Cranes:

  •  2 x crane pedestals completed and ready for installation

 Jacking System:

  • On schedule

Source: Seajacks, August 17, 2011;

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