해저장비

장비 사양

Weight

• Air Weight : 27.5ton
• Submerged Weight : 22.0ton

Dimensions

• Skid Down : 9.49m (L)
• Drawbar Down : 5.50m (H)
• Over Stabilisers : 5.08m (W)

Operation

• Pulled by tow wire from surface vessel
• Operating Depth : 1,500m
• 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 : Up to 3.3m
• Cable Size : 17mm to 90mm Diameter
• Repeaters : Up to 380mm Diameter
• Cable Splice Boxes : Up to 150 Diameter
• Cable Bend Radius : Minimum along the cable path 1.5m
• 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

Hydraulics

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

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

Subsea Electronics and Telemetry

• Test Pressure : 1.25 X Working Pressure
• Mounting : Anti Vibration Type

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)

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