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CSS Survey

CSS Subsea offers subsea survey services, supporting our clients needs across the hydrographic and construction survey spectrum.

Providing expertise developed in operations spanning the globe, in all environments and water-depths;  CSS Subsea Survey deliver positioning and mapping solutions to the offshore energy industries with confidence, professionalism and acute attention to detail.

In a fast-paced and constantly developing world; CSS Subsea Survey brings innovation and technically excellent solutions to bear in project delivery, providing the most cutting edge and effective answers to client requirements.

Geophysical Survey


To assist with project design and development, CSS Subsea Survey offers high-quality, high resolution geophysical surveys utilising sidescan sonar, multibeam echosounder, magnetometer and subbottom profilers.

•   Pipeline Route and Anchor Corridor
•   Cable Route Survey
•   Site Surveys
•   Pre-Engineering Surveys
•   Nearshore Bathymetric Surveys
•   Pre- and Post-Trenching Survey

Survey Geo 02

UXO Survey and Target Investigation

UXO Survey 01

To service the infrastructure pre-installation UXO  Survey and Target
Investigation requirements;
CSS  Subsea Survey provides the full range of necessary  services from initial assessment through to disposal and ALARP sign-off

Services are offered by combining strategic partnerships with independent UXO specialists and extensive in-house UXO Survey and ID experience.

CSS Subsea offers UXO Target Inspection using either ROV or Diver solutions.

UXO Survey 04

Pipeline/Cable Survey and Inspection

Pipeline Survey 01

To support IRM requirements, CSS Subsea Survey  provide pipeline and cable survey and inspection services.

Using ROV based video and multibeam systems to deliver high-resolution
inspection data, this can be supplemented
with depth of burial, leak-detection or
CP measurement capability.


Construction Support

Collaborating with our ROV team or integrating into our clients teams, CSS Subsea Survey are on hand to deliver efficient and seamless construction support services.

Construction Survey 01
Construction Survey 01

•   Subsea Positioning
•   Touchdown Monitoring
•   Infrastructure Installation
•   Mattress Installation
•   Rock Bag Deployment