1,500-tonne Floating Sheer Leg Crane

1,500-tonne Floating Sheer Leg Crane
Year Built: 1971

Length of Hull: 80.00 m 262 feet
Molded Beam: 34.00 m 112 feet
Molded Depth: 6.50 m 21 feet
Draft Amid Ship (no load): 2.47 m 8 feet
Draft Amid Ship (w/max. load): 3.00 m 10 feet
Displacement (no load): 6,000 tonnes
Displacement (max.): 7,500 tonnes
Gross Tonnage: 6,241 tonnes
Accommodation:
Crew: 15
Customers: 10
Fully air conditioned, with catering facilities

Tank Capacities
Fresh Water: 2 x 63.28 cubic meters 83 cubic yards
Gas Oil: 2 x 62.71 cubic meters 82 cubic yards
Cooling Water: 2 x 503.38 cubic meters 658 cubic yards
Ballast Aft: 2 x 509.63 cubic meters 667 cubic yards
+ 2 x 695.88 cubic meters 910 cubic yards
Ballast Forward: 2 x 756.16 cubic meters 989 cubic yards

Crane
Type: Shear leg, twin booms
Boom Adjustment: 40 to 75 degrees, variable speed up to 2 degrees/min
Capacity, Main Hooks: 2 x 750 tonnes = 1,500 tonnes
Max. Height under Main Hook
(to deck level): 55.00 m 180 feet
Max. Reach at 20 degrees: 61.40 m 201 feet
Max. Reach on Max. Capacity at
60 degrees: 34.50 m 113 feet
Max. Capacity on Max. Reach: 2 x 200 tonnes = 400 tonnes
Lift Speed, Main Hooks: Variable up to 1 m/min. (3 feet/min.)

Power
Main Diesel driven Generators: 350 kW x 3 469 hp x 3
Auxiliary Diesel driven Generators: 150 kW x 1 201 hp x 1
Emergency/Port Diesel driven
Generators: 75 kW x 1 101 hp x 1
Electrical System (1): 440V, 3Ph., 60 Hz / 220V, 3Ph., 60 Hz
Main Winches Drive: 2 x E. motors, 440V,
300 kW x 2 402 hp x 2
Boom Winches Drive: 2 x E. motors, 440V,
300 kW x 2 402 hp x 2
Speed Control: VFD
Hydraulic System: 110 kW x 8 148 hp x 8
pressure 70 bar

Deck Cranes
Lifting Capacity: 7.5 kW x 4 10 hp x 4
Lifting Speed: Variable up to 30 m/min. (98 feet/min.)

Main Mooring & Auxiliary Winches
Main Load Winches: 2 x 52 t x 31 m/min. (102 feet/min.) on 50 mm (2 inches)
wire cable, electric drive.
Boom Positioning Winches: 2 x 75 t x 22 m/min. (72 feet/min.) on 70 mm (3 inches)
wire cable, electric drive.
Mooring Winches Aft: 2 x 27 t x 18 m/min. (59 feet/min.) on 40 mm (1.6 inches)
wire cable, plus 2 x 60 t x 7.5 m/min. (25 feet/min.) on
60 mm chain (2.4 inches), hydraulic drive.
Mooring Winches Fwd.: 2 x 27 t x 18 m/min. (59 feet/min.) on 40 mm (1.6 inches)
wire cable, hydraulic drive.
Maneuvers Winch C. L.: 1 x 25 t x 25 m/min. (82 feet/min.) on 40 mm (1.6 inches)
wire cable, hydraulic drive.
Maneuvers Winches Fwd.: 2 x 30 t x 38 m/min. (125 feet/min.) on 40 mm (1.6 inches)
wire cable, hydraulic drive.
Auxiliary Mooring Winches Fwd. Deck: 6 x 7.5 t x 20 m/min. (66 feet/min.) on 20 mm (0.8 inches)
wire cable, hydraulic drive.
Auxiliary Mooring Winch Aft Deck: 1 x 7.5 t x 20 m/min. (66 feet/min.) on 20 mm (0.8 inches)
wire cable, hydraulic drive.