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Maritime construction



Maritime construction involves building and maintaining critical infrastructure such as harbors, bridges, piers, and seawalls. These projects often take place in dynamic and challenging environments where precision, stability, and safety are essential.

Exail delivers innovative technologies tailored to the complex demands of maritime construction, ensuring accuracy, stability, and operational safety at every stage, enabling efficient and reliable operations from start to finish.

Your trusted partner at every stage of your maritime construction projects

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DriX O-16

The DriX O-16 is a transoceanic Unmanned Surface Vehicle (USV), designed for unrestricted navigation and long-duration missions lasting up to 30 days.

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The Sams Series of Synthetic Aperture and Mapping Sonars

The Sams Series of Synthetic Aperture and Mapping Sonars offers a unique seabed mapping solution. Based on the interferometric SAS sonar technology, it allows for simultaneous real-time imaging and high-resolution bathymetric mapping of the seabed.

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Echoes Series Sub-bottom Profilers

The Echoes Series is a complete solution to acquire, process and interpret high-quality geological data thanks to its integration with the provided Delph Seismic software.

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Canopus LBL transponder

Providing highly performant subsea positioning and monitoring capabilities down to 6,000m, the Canopus transponder offers advanced LBL/sparse LBL capabilities.

SeapiX-R 3D Multibeam Echosounder

SeapiX-R is an advanced 3D Multibeam Echosounder solution that delivers unique capabilities for environmental survey.

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R7 Remotely Operated Vehicles

A robust, versatile ROV ideal for precise inspection, maintenance, and repair tasks

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FlipiX Remotely Operated Towed Vehicle (ROTV)

FlipiX is operated autonomously and enhances uncrewed survey capabilities. Deployed from Unmanned Surface Vessels (USVs) or traditional vessels, it enables autonomous bathymetry, geophysics and UXO operations in a single run. Leveraging best-in class motion control and a reduced operational footprint, FlipiX is a unique conveyance platform for Side Scan Sonars (SSS) and Magnetometers.

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Operating in dynamic marine environments

Maritime construction sites are exposed to shifting tides, strong currents, and adverse weather conditions, all of which can disrupt operations. Equipment, vessels, and platforms must be capable of maintaining stability and performance under these demanding conditions.

    • Exail’s inertial navigation systems powered by FOG technology, provide precise positioning for surface vessels and underwater vehicles. Designed for the harshest environments, they ensure seamless operations for complex tasks like subsea foundation installation and offshore structure assembly, at depths of down to 6000 meters.
    • The DriX USVs offer exceptional seakeeping, operating effectively in high seas (>SS5) and strong cross currents. Equipped with advanced sensors and reliable communications, it ensures precise, real-time data collection.
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Achieving precision in structure placement

Whether constructing breakwaters, installing pilings, or placing underwater foundations, accurate positioning is vital. Even minor misalignments can result in structural vulnerabilities, making precise navigation and positioning crucial for project success.

  • Exail’s USBL and LBL solutions are key to achieving this precision. Our systems provide real-time, reliable data to ensure accurate positioning of underwater assets
  • Combined with our subsea inertial navigation systems , these advanced technologies simplify operations, improve efficiency, and streamline workflows, ultimately reducing project timelines

Dynamic positioning and stabilization for safe operations

Marine construction often involves floating platforms and vessels equipped with heavy machinery such as cranes and gangways. Stabilizing these assets during tasks like lifting, piling, and construction is critical for ensuring safety and operational accuracy, particularly in rough sea conditions.

  • Exail’s motion sensors are essential for dynamic positioning and equipment stabilization. They provide real-time data on heading, roll, pitch, position, and speed, ensuring vessels maintain a fixed position and heading in harsh conditions, without relying on GNSS. They also help stabilizing critical equipment, ensuring safe and smooth operations in all sea conditions.
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Ensuring real-time monitoring and quality control

Continuous monitoring of construction activities and real-time inspection of submerged structures are necessary to verify the alignment of critical elements such as pipelines, foundations, and equipment, detect potential issues, and maintain quality control.

  • Exail’s subsea imagery systems provide high-resolution visuals for precise assessments of underwater infrastructure. These systems help detect issues like corrosion and structural damage early, minimizing downtime and preventing costly delays.
  • Exail’s ROVs further enhance inspection capabilities by providing reliable, detailed observations of submerged structures, ensuring efficient and effective operations.