Deep C® Subsea Dredge

  • Powerful dredge up to 16” unrestricted diameter
  • Onboard jetting systems for clay disintegration
  • Range of suction heads for various tasks
  • Dual dredge capacity (two suction hoses)
  • Subsea quick connector for suction hoses and exhaust hoses
  • Remotely operated backflush function
  • Integrated subsea HPU availability
  • Crane or moon pool deployment
  • Designated ROV manipulator for hose handling Interface for lights, camera, sonars etc

Request more information

Download as pdf


The Deep C® Subsea Dredge is a powerful stand alone dredging unit, powered through an electrical umbilical from surface. The system requires minimum deck space and offshore manning, and is designed for seamless operation by ROV or diver. The Deep C Subsea Dredge offers unrestricted dredge size up to 16”, extensive outreach and long transport distances.

Technical specifications

Dimensions (LxWxH): 2700 mm x 2100 mm x 2600 mm
Weight (air) 3200 kgs*
Weight (water) 2500 kgs*
Power sources Up to 285 kW available in system without need for additional topside equipment or downlines. Power can be freely utilized for dredging, jetting and hydraulics.
Dredging system Up to 16″ unrestricted flow.
Standard power on dredge 95 kW, with possibility to run twin pumps (2 x 95 kW) to allow in-built redundancy, more power on dredge (two separate suction hoses).
Remotely operated backflush.
Clay cutting Seabed specific configurations.
190 kW electrical power available with no need for additional topside equipment or downlines.
HPU The Deep C® Subsea Dredge can carry up to 190 kW integrated subsea HPU with no need for additional topside equipment or downlines.
Hose Handling Designated basket for storage of hoses.
Reinforced hoses for safe launch and recovery.
Subsea quick connectors for suction hoses and exhaust hoses.
Navigation Output available for extensive use of lights, cameras, sonars and other instrumentation
Deployment Deployment to seabed by vessel crane.
Guide funnels available for deployment through moon pool.
Selection of relevant equipment Deep C ROC Manipulator for hose handling, range of various suction head designs, clump weights for positioning of exhaust hose, mud mats for soft seabed, bespoke solutions

Topside Spread

PDU Container (LxWxH)
6000 mm x 2400 mm x 2700 mm
9000 kg
Umbilical Winch (LxWxH)
2400 mm x 3500 mm x 2500 mm
13000 kg
Umbilical Chute (LxWxH)
2200 mm x 900 mm x 1800 mm
1000 kg

Several Deep C® Systems can be operated from one single topside spread, allowing you to bring a tool box offshore with minimum mobilization. 

Deep C® Systems consists of standardized and interchangeable components. 

Deep C® Systems are very flexible for project specific configurations and will be optimized to meet your actual requirements.