SEABED EXCAVATOR

THE SEABED EXCAVATOR is a multipurpose tool carrier for subsea tooling and dredging equipment, capable of

working in up to 2500 meter water depth. The system is delivered with a Kongsberg Evotec active heave

compensated LARS system, and the vehicle can be launched and recovered in wave heights up to 4 meters.

This Excavator is capable of running high powered WeSubsea ejectors up to 16”, providing 4800 m3/h through

the ejector. The Seabed Excavator sets a new standard with compact design with new proven reliable technology

and safety for subsea excavators. The machine is a Swire Seabed design with hardware and software based upon

a Perry Slingsby XLX ROV, combined with Kaiser Excavator body, and WeSubsea’s Titanium Dredger System.

Layo

ut/d

esig

n: C

reat

ur M

edia

, Fot

o: R

onny

Stra

nd

Working areas for the Seabed Excavator• Excavating and dredging

• Decommissioning

• Removal/relocation of drill cutting and rock dump

• Loading of cargo into baskets

• Removal and recovery of subsea structures

• Cutting and grinding

• Handling of cargo from ship wrecks

• Seabed sampling

• Spud can operations

• Subsea drill well centers

• Scour protections

WESUBSEA AS +47 71 71 04 00 WESUBSEA UK +44 1467 625 277

WeSubsea AS is a quali�ed supplier in Achilles JQS and SellihcaWeSubsea AS is ISO certi�ed NS-EN ISO 9001:2008 and meet the requirements of ISO 14001:2004

WeSubsea UK is a quali�ed supplier in FPALOur quality and management systems meet the requirements of ISO 9001:2008 and ISO 14001:2004

wesubsea.com

SWIRE SEABED ASNorway, Bergen

+47 5518 1830www.swireseabed.com

SEABED EXCAVATOR

SEABED EXCAVATOR SPECIFICATION

Depth Rating : 2500mPower Pack : 150HPUSpeed forward : 1+ knotsSpeed lateral : 1+ knotsWeight (Dry/Subsea) : 14/10tStandard arm : 5m (extended nozzle can be mounted)Deck area : 100m2 requiredLifting capacity : Approx. 1500kg on full boom extension

DREDGING CAPABILITY

Ejector sizes : 12”, 14”, 16” Water Pump : 2x135kwMax capacity : 4800m3/h �ow inside

Back �ush system for unclogging.External cooling system on water pumps to increase reliability and non-stop operation.

STANDARD EQUIPMENT

• Gyro/Fluxgate compass• Pitch/Roll sensor• Digiquartz Depth• Obstacle Avoidance Sonar• 16 Station Proportional Manifold• 6x 500 watt lights on dimming circuits• Kongsberg OE 15-100 Near SIT camera• Kongsberg OE 14-366 colour Camera• Ready for extra live view sonar system and virtual 3D system • DVR Black-Box duo with independent video overlay per channel is provided for digital recording of video

AUTO FUNCTIONS

• Auto Heading Mode• Auto Failsafe Mode

3 x 20’ CONTAINERS

• 20’ Control room container• 20’ Workshop container• 20’ Power container

CONTROL / WORKSHOP CONTAINER

• ICE Real Time Control System with Gb Telemetry and Graphical Diagnostics• Fully redundant Windows based HMI computers• 4 x 40” HD LCD video wall

LAUNCH AND RECOVERY SYSTEM (LARS)

• Electric drive• Active heave compensated winch• DNV 2.22 Certi�cation• 24.5/14Te SWL (dry weight)• 2.4m/s on winch (inner layer)• Two fail safe disc brakes

TOOLING INTERFACE

• Auxiliary HPU: Pressure : 3200 psi. Max �ow : 95 L/pm• 360° rotor on boom for tooling operation• Quick connector for tool swapping subsea, includes hydraulics for tooling equipment• Jetting nozzle: 10 bar at 3400 Lpm (7 bar at 6000Lpm)• Drum Cutter• Drill Rig• Diamond wire cutter, circular saw, 3 in 1 bucket, dredging nozzle, normal scoop bucket (1.2m wide), and other tools as required

Evotec Launch and Recovery System and the Seabed Excavator

Ergonomic working environment

Layo

ut/d

esig

n: C

reat

ur M

edia

, Fot

o: R

onny

Stra

nd

WESUBSEA AS +47 71 71 04 00 WESUBSEA UK +44 1467 625 277

WeSubsea AS is a quali�ed supplier in Achilles JQS and SellihcaWeSubsea AS is ISO certi�ed NS-EN ISO 9001:2008 and meet the requirements of ISO 14001:2004

WeSubsea UK is a quali�ed supplier in FPALOur quality and management systems meet the requirements of ISO 9001:2008 and ISO 14001:2004

wesubsea.com

SWIRE SEABED ASNorway, Bergen

+47 5518 1830www.swireseabed.com