Survey Support for Dredging and Construction


A-2-Sea offers ultra-high resolution monitoring surveys tailored to dredging support operations.

A-2-Sea’s in-house dedicated survey vessel (12-hr and 24-hr operations) provides an ideal survey platform for dredging support operations. The vessel can be mobilised at short notice by a team of skilled survey professionals, minimising any operational downtime or delays. Alternative survey platforms are available to suit the client’s requirements.

Real-Time Kinematic (RTK) GNSS networks are coupled with the latest ultra-high resolution shallow water multibeam allows for near real-time reduction of bathymetric data to the required datum.

A processing suite of high specification PCs and the latest QPS Qimera data processing software allows for the rapid production and visualisation of tailored survey deliverables.

A-2-Sea’s specialist survey professionals and experienced management team are practised with offering bespoke support services in support of dredging operations. To discuss project requirements or for information on survey vessels, please call us on 01794 830909 or email us.

Tailored Survey Services:

  • Ultra-high resolution multibeam data acquisition for monitoring surveys.
  • RTK GNSS network corrections are combined with motion corrected multibeam bathymetry provides an integrated solution for rapid data production and visualisation.
  • Optimise efficiency by using QPS QINSy navigation software for online data acquisition and system integration with QPS Qimera for data processing and visualisation, therefore, streamlining the data management system and reducing the time to create data deliverables.
  • A-2-Sea’s experienced management team will work closely with clients to ensure survey requirements and specifications are met.
  • Dedicated 24-hr survey vessel is available to be shipped worldwide.

Cost-effective Survey Solution:

  • Rapid mobilisation of dedicated in-house survey vessel with 12-hr and 24-hr operational capability.
  • Dedicated shallow-draft survey vessel
  • 24-hr data processing facilities
  • Time-efficient delivery of data deliverables
  • Efficient data management system
  • Cost-effective weather standby packages

Data Quality:

  • Utilisation of the latest generation, state-of-the-art, survey equipment and specialist software packages
  • Surveys carried out to meet and exceed Internationally recognised standards (International Hydrographic Organisation S-44 standards) and to adhere to bespoke seabed comparison requirements.

Data Processing and Reporting:

  • High specification processing PCs and use of industry leading data processing software (QPS Qimera) allows for the production and visualisation of data deliverables.
  • 24-hr on board data processing facilities allows for a rapid turnaround time to produce processed data.
  • A team of GIS and CAD specialists for charting deliverables


A-2-Sea featured at numbers 13 and 21 in two recent prestigious Sunday Times Fast Track and Export Track awards. ... Read More

Project: Nautical Charting

A-2-Sea awarded 3 to 5 year contract with the Maritime & Coastguard Agency’s Civil Hydrography Programme. ... Read More

Project: Highlands & Islands

A-2-Sea has installed 40 beach joints as part of the record-breaking operation to bring superfast broadband to the Scottish Highlands. ... Read More

Get in touch

Contact the A-2-Sea team on 01794 830909 or