Marine and coastal Geosurvey

Arena Sub has developed in-house capabilities, tailored equipment and added-value procedures to meet the precise survey needs of our clients. With the flexibility of a fleet of coastal vessels including the 20m ship Numana, which is fully equipped, permanently crewed and ready for mobilisation at all times. Arena Sub continually delivers a seamless, efficient and professional service from data acquisition, analysis and interpretation through to the final report. Offering a full range of services to all marine sectors including offshore oil and gas, emerging marine renewable energies, ports, harbours and marinas, marine minerals and aggregates and near shore coastal civil engineering.

We Offers a full range of marine, coastal & waterway surveys including:

Bathymetric & Hydrographic Surveys
– Single and Multibeam Echosounders
Geophysical Remote Sensing
– Sidescan Sonar, Seismic Profiling, Magnetometer
Geotechnical Testing & Sampling
– Vibrocore, CPT, Piston and Gravity Cores, Grabs
Topographic Surveys
– GPS, DGPS positioning
Environmental Surveys
– Beam Trawls, Water Quality Sampling, Benthic studies, Underwater Video, ADCP,
Soil Physicochemical Testing
– Dedicated Laboratories

Our projects include:

High resolution wreck surveys
Debris detection surveys
Scour monitoring
Pipeline surveys
Ports and harbour surveys
Coastal engineering and environmental
Aggregate resource assessment and monitoring
Archeological site investigation
Wind and tide farm development and monitoring
Dredging surveys
Ordnance detection
Seabed mapping