Calamity Jane

Specification

• Length overall: 151 m 
• Length between perpendiculars: 117 m                 
• Breadth: 20 m                 
• Depth to main deck: 3 m             
• Operating draught:  8 m              
• Maximum speed: 10 knots
• Total installed power: 13,255 kW
• Propellers: 2 x 2394 kW controllable pitch
• Thrusters: 4 x 1150 kW retractable azimuth thrusters
• Dynamic positioning system: LR DP (AA), Duplex DP system, General Electric C-series, DPS 900 ALSPA
• Accommodation: 73 persons
• Helideck: Suitable for Sikorsky S-61N and S-92 helicopters

Deck cranes/lifting equipment

• General purpose crane of 26 t at 31 m
• Trencher handling frame of 200 t at 450 m
• A-frame of 35 t at waterline; 20 t at 1570 m; 5 t at 3100 m
• Knuckle boom crane of 10 t at 3.5 m 
   

Other equipment

• Mattress skidding system: on raised main deck, with 940 t storage capacity and 70 t skidding capacity
• Subsea installation frame: for installation of mattresses and subsea structures up to 60 t
• ROV: 4000 m depth rated, for pipelay assistance, subsea, interventions and pre-/post-lay survey