Submarine Assets

Specification

Weight

• Air Weight : 27.5 tonnes (approx.)
• Submerged Weight : 22.0 tonnes(approx.)

Hydraulics

• Fittings Motor : 3-Phase, 2kV, 50/60Hz, 15kW
• Reservoir : 100 litres working Capacity

Dimensions

• Skid Down : 9.49m long
• Drawbar Down : 5.50m high
• Over Stabilisers : 5.08m wide

Subsea Jetting System

• Motor/Pump Sets : 2 x 250kW subsmersible motor/Pump sets
• Jets : 1 x set with Different Nozzle Diameters 1 x set of Nozzle Blanks
• Power Control : Main Share Jet tool consumption up to 500kW Switch each 250kW
• supply to front jet tool or share

Instrumentation

• Pressure Transducers : Water depth, Depressor pressure, Hydraulic system
• Jetting Transducers : Water Pressure (x2)
• Linear Transducers : Hydraulic oil reservoir volume
• Altitude : Echo sounder (range 0.6m to 30m)

Operation

• Pulled by tow wire from surface vessel
• Operating Depth : 1,500mtr
• Towing Force : 10Ton to 80Ton (0m to 2.2m deep) 50Ton (2.2m to 3.3m deep)
• Max. Permissible pull at Plough : 80Ton
• Burial Depth : 3.3mtr Trench Depth Max.(with extension)
• Cable Size : 17mm to 90mm Diameter
• Repeaters up to 380mm Diameter
• Cable Splice Boxes up to 150 Diameter
• Cable Bend Radius : 1,5m (Max.)
• Soil Type : Any, with Good Rock Ripping Ability
• Cable Tracking : Lateral Cable Angle Potentiometer and TV Camera
• Ploughing Speed : Up to 1m/s Depending on Seabed Condition

Operating Conditions

• Operating Temperature : +40C to -4C
• Ambient Temperature : +50C to -15C

Surveillance

• Cameras : 3 x Near-SIT camera (Kongsberg Simrad)
• Lamps : 5 x 150W 245V LED (Bowtech)
• Sonar : Obstacle Avoidance (Tritech, Super seaking)
• Pan and Tilt : Sub-Atlantic, 24V Pan and Tilt Unit
• Hydrophone : For noise monitoring - Benthos