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Themistokli Dervi 20 D 302 Nicosia Cypress CY1066

Jetting Sled

Jetting Sled

This is a subsea jetting sled operational since 1984, modified and redesigned for the trenching of submarine utility cables. It is capable of jetting or mechanically trenching cables to a burial depth of approximately 2 meters and can be operated in subsea water depths of 50 meters. It has an optional 3 meter burial injector tool with a hydraulic trencher. The sled can also provide a complete navigation package with personnel including real time burial depth, pitch and roll interface with GPS at survey grade accuracy with as-built. It can provide a complete containerized operational cable management system with control room, winch, motorized cable reels, heave tensioners, jet pumps, tension-meters including a LARS (a launch & recovery system).

The system has an Hydraulically Articulated Cable Injector that can adapt to different depth, length and width of power or Fiber Optic Cables including the option of a Hydraulic and mechanical trencher attachment for non-fluidized soil such as clay, cobbles or corrals.

The Hydraulic Reel System 12'x12'x12' can carry over 20 Kilometres of 1" Cable or 6,000' of 4" wire. It is totally self-contained with Hydraulic control for the Jet Sled and has small Hydraulic Winches for holding the Jet Sled in position under water. The minimal deck space required is 14' wide x 40' long.


Specification of the Jetting Sled.
  • 1. Length 6.0 Meters
  • 2. Width 4.5 Meters (assemble)
  • 3. Dry Weight 5.5 Tonnes
  • 4. Max Operating Depth 50 Meters
  • 5. Max Trenching Depth 3 Meters
  • 6. Max Trenching Speed 7.5 Meters/Per Minute (soil conditions favourable)
  • 7. Max Jetting Speed 12.5 Meters/Per Minute (soil condition favourable)
  • 8. Net Buoyancy Floats in 1 Meter of Water
  • 9. Water Pumps 1 or 2 Depending on Soil Condition
  • 10. Max Ben Radius 1.9 Meters (can be modified)
Modifications can be made to the sled.