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SUBSEA MARINE

CABLE SERVICES

SMS delivers expert cable solutions and support with the ability to take over from any phase of cabling operations.

We are experienced and trusted providers of Subsea, Shallow Water, Shore-End, and Land Fiber Optic Cable Services.

CABLE ROUTE PLANNING

Leveraging our fleet of survey vessels, such as the S/V Geo and S/V Echo, SMS offers comprehensive planning services for new marine fiber optic cable routes. We employ advanced GIS mapping tools, high-resolution multibeam bathymetry, side scan sonar surveys, and geotechnical analysis to identify the most efficient, safe, and environmentally sustainable routes.

Cable Route Planning

  • Desktop route feasibility studies

  • Multibeam bathymetry and side scan sonar surveys

  • Geotechnical analysis for seabed composition and stability

  • Environmental impact assessments

  • Engagement with relevant stakeholders and authorities

  • Landing site surveys and analysis

  • Risk assessment and mitigation strategizing

  • Detailed project budgeting and cost estimates

  • Compliance with international and local regulations

CABLE ROUTE CLEARANCE

We are equipped to handle all facets of the cable route clearance phase. Prior to cable installation, SMS ensures that the chosen path is free of obstructions and hazards that could impede installation or damage cables.

Cable Route Clearance

  • Seabed hazard identification and mapping

  • Advanced sonar and remote-operated vehicle (ROV) inspections

  • Pre-lay grapnel runs

  • UXO detection and clearance

  • Environmental monitoring to minimize impact from clearance

  • Debris detection, identification and removal

  • Route dredging and leveling

  • Rock/berm removal and relocation

  • Pre-lay route verification reporting

CABLE INSTALLATION

Supported by our specialized cable laying vessel M/V Angel and survey fleet, SMS provides efficient and successful fiber optic cable installations across all ocean depths. We utilize advanced positioning systems, monitoring, and cable burial techniques.

Cable Installation

  • Specialized cabling vessels and equipment

  • Dynamic positioning systems to accurately lay cables along the route

  • Real-time tension monitoring

  • Specialized cable burial techniques, including ploughing and jetting

  • Post-lay inspection and testing

  • Shore-end landings and beach manholes

  • Repeater installation and testing

  • Cable burial, armoring and stabilization

  • As-built reporting and documentation

CABLE MAINTENANCE & REPAIR

SMS provides comprehensive maintenance and 24/7 emergency repair services to ensure reliability of your marine fiber network. Our rapid response teams employ advanced survey techniques to efficiently diagnose faults and conduct environmentally sensitive repairs swiftly, minimizing downtime as much as possible.

Cable Maintenance & Repair

  • 24HR emergency response and repair

  • Regularly scheduled and on-demand remediation inspections 

  • Immediate mobilization of repair teams and equipment

  • Expert fault location and diagnosis using advanced survey techniques

  • Methods to ensure longevity of repairs and of marine habitats

  • Regular cable inspection and maintenance

  • Fault location and diagnosis

  • Cable recovery and redeployment

  • Cable repair, jointing and testing

  • Burial reinstatement and additional armoring

  • Post-repair testing and documentation

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