5,000 t Dual-draught Heavy Lif

Principal dimensions and main particulars
? Length overall 183.0 m
? Length between perpendiculars 171.6 m
? Breadth moulded 37.8 / 47.0 m
? Depth at side 18.2 m
? Operational draught (pipe laying) 8.50 m
? Operational draught (crane lifting mode) 13.50 m

Classification
The vessel, including the crane has beendesigned according to
the rules and regulations of Det Norske Veritas to obtain the Class
notation:
1A1 CRANE VESSEL CLEAN DK(+) HELDK-SH DYNPOS AUTRO E0
BIS
The vessel has been designed in accordance with the requirements
of Norwegian Maritime Directorate (NMD).

Machinery
Power generation:
? Main diesel generators 6 x 4,500 kW
? Emergency diesel generator 1 x 1,200 kW

Propulsion and DP
? Main propulsion azimuthing thrusters 2 x 5,000 kW
? Retractable azimuting thrusters 2 x 3,500 kW
? Tunnel thrusters 2 x 1,012 kW

Crane
Fully revolving offshore crane
? Mainhoist (slewing) 5,000 t @ 32 m
? Auxiliary hoist 1 800 t @ 72 m
? Auxiliary hoist 2 200 t @ 90 m
? Whiphoist 110 t @ 118 m
? Trolley hoist 30 t
(travelling on underside of boom from base of boom beyond main
hoist)

Pipe-lay system (future capability)
Capability to install an S-lay system with the following characteristics:
? Main firing line below maindeck leaving unobstructed maindeck
? Pipe diameter range 6" - 60"
? A & R system capacity 675 t
? Fixed type stinger with stinger adjustments system

Accommodation & Helideck
Accommodation unit 220 / 395 persons
Helideck Sikorsky S61N / S92

Tanks and storage capacities
? Fuel oil MDO 3,800 m3
? Fresh water 2,300 m3
? Ballast water 50,500 m3

Design criteria


Maximum operating conditions lifting
? Significant wave height (Hs) 2.5 m
? Wave period (Tp) 3.5 C 14 s
? Wind speed, 1 hour mean (Vw) 17 m/s
? Current speed (Vc) 1 m/s

Maximum operating conditions pipelaying
? Significant wave height (Hs) 4 m
? Wave period (Tp) 7.5 C 9.5 s
? Wind speed, 1 hour mean (Vw) 12.5 m/s
? Current speed (Vc) 1 m/s

Maximum operating conditions standby / abandoning pipe
? Significant wave height (Hs) 6 m
? Wave period (Tp) 10 C 12 s
? Wind speed, I hour mean (Vw) 17 m/s
? Current speed (Vc) 1 m/s

Transit conditions
In transit condition, unrestricted worldwide service is ensured.
The service speed is 14 knots

Water depth
Pipe lay operations can be executed in maximum 2,500 meters
water depth