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heavy lift offshore support vessel
SEVEN BOREALIS ULSTEIN

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Characteristics

  • Type:

    heavy lift

  • Length:

    182.2 m (597'09")

Description

A monohull pipelay/heavy lift vessel equipped for both S-lay and J-lay in all water depths and installation of the heaviest subsea production structures in ultra-deep and deepwater projects in the world's harshest environments. The revolving mast crane is capable of lifting 5,000 t (at 40 m) over the stern.
VESSEL TYPE

HEAVY LIFT AND PIPE LAY
BUILT BY

Sembawang
YEAR

2012
OWNED BY

Subsea7
DESIGNED BY

Sea of Solutions BV (today: UDS BV)
ORDERED BY

Nordic Heavy Lift
PRINCIPAL DIMENSIONS
Length:
182.2 m
Beam:
46.2 m
Speed (max):
12 kn
Accommodation:
399 POB
Deck area:
730 sqm

CAPACITIES
Fuel oil:
3080 cbm
Lub.oil:
64 cbm
Fresh water:
1,123 cbm
Ballast water:
20,600 cbm
Technical water:
700 cbm
Revolving mast crane:
5,000 t
Mast crane, max waterdepth:
-6,000 m
2 knuckle-boom cranes, each:
40 t
Pedestal mounted crane:
36 t
J-lay tower:
1,000 t
S-lay system:
600 t
On-board pipe storage:
2,800 t
Work-class ROVs:
2 x
CLASSIFICATIONS
DnV +1A1, Crane Vessel, HELDK-SH, OPP-F, E0, DYNPOS-AUTRO, NAUT-AW, CLEAN DESIGN, DK(+), BIS