Self-elevating wind farm construction platform (Jackup)

Type: Self-elevating wind farm construction platform for SALE  

Main Components: Upper hull, four legs, jacking system, lifting cranes  

Designed Working Water Depth: 50 m  

Lifting Capacity: 1200 tons  

Dynamic Positioning: DP1  

Self-sustaining Capacity: 30 days  

Accommodation: 80 persons  

Deck Area: ~2,700 m²  

Propulsion: Full electric power  

3 × 1800 kW stern azimuth thrusters  

3 × 900 kW bow tunnel thrusters  

Class: CCS  

Notation: ★ CSA Self-elevating Offshore Wind Turbine Service Unit/Crane Unit;  

Lifting Appliance; MCC, PSPC(B), Thruster  

Length Overall: 110.4 m  

Breadth: 42.0 m  

Depth: 8.5 m  

Scantling Draft: 6.0 m  

Designed Draft: 5.3 m  

Leg Number: 4 sets  

Leg Diameter: 4.2 m  

Leg Length: 91.6 m  

Water Depth: 50 m  

Variable Load: 1700 t  

Main Crane (Main Hook): 1200 t @ 28 m  

Lifting height above deck: 148 m (outreach 28 m/h) Total: 168 m  

Main Crane (Auxiliary Hook): 450 t @ 28–55 m  

Lifting height above deck: 160 m (outreach 28 m/h) Total: 180 m  

Auxiliary Crane: 300 t @ 15–30 m, Lifting height 75 m above deck  

Jacking System: Dual-acting continuous loop beam  

Single Pile Lifting Load: 5040 t  

Preloading Load of a Single Pile: 7200 t  

Jacking Speed (Hull Lifting): 20 m/h  

Main Generators: 1600 kW × 5 sets  

Harbor/Emergency Generator: 400 kW × 1 set  

Stern Azimuth Thrusters: 1800 kW × 3 sets  

Bow Thrusters: 900 kW × 3 sets  

Leg Flushing Pumps: 120 m³/h @ 5 MPa × 4 sets  

Leg Flushing Air Bottles: 2 m³/h @ 3 MPa × 4 sets  

Ballast Pump/Anti-heeling Pump: 2250 m³/h × 5 sets  

Dual-acting continuous loop beam jacking system for fast lifting.  

Dual-redundant pile driving system (high-pressure water & high-pressure air).  

Ballast water treatment system installed.  

CCTV system installed.  

Comfortable accommodation with 2.6 m clear height cabin.  

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