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KCS Facilities Inforamtion

Underwater Robot

ROV MARCAS-V

MARCAS-V

A cable laying and maintenance ship, the KDDI PACIFIC LINK is equipped with ROV MARCAS-V.

MARCAS-V can dive to a maximum depth of 3,000 meters, and works for cable burial and maintenance.

The burial is performed by taking in a large amount of seawater, waterjetting it into the seabed, and digging a trench. The maximum burial depth is around 2 meters.
In addition, MARCAS-V is equipped with the most advanced navigation system, and is possible to switch track mode and scan mode according to the working area and situations.

(The MARCAS-V brochure is here.)

Specifications of MARCAS-V

Max. Working Depth

3,000m

Dimensions Length: 4.5m with 1m jet tool    5.4m with 2m jet tool
Height: 2.7m
Width: 3.1m in track mode
Weight In air: 8,700 kg(9,300 kg in track mode)
In water: Neutral
Propulsion Skid mode: 3 knots for horizontal       1.5 knots for vertical
Track mode: 2,200 m/hr
Vehicle power Total 300 HP(150 HP subsea electric motor x 2)
Thruster 4 x 380mm hydraulic driven thruster
4 x 300mm hydraulic driven thruster
Max. Burial Depth 2 m (depending on seabed soil condition)
Umbilical Cable 3,300 m (steel armoured cable)

MARCAS-V Operating Scene

MARCAS-V Launch and Recovery System

1. MARCAS-V is lifted up by the Launch and Recovery System.

MARCAS-V ROV with Jeting Tool

2. MARCAS-V is with Jetting Tool.

MARCAS-V Control Cabin

3. Control Room controling MARCAS-V

Watching a status of the seabed and cables by the subsea cameras or sonar of MARCAS-V, the ROV pilot controls MARCAS-V using the joystick in the control room of the KDDI PACIFIC LINK.

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