Survey & Soil Investigation

Marine & Hydrographic Survey

Capital Surveys is a leading provider of Marine Survey and Hydrographic Survey services, delivering high-accuracy offshore and nearshore solutions for ports, harbors, coastal developments, subsea pipelines, and marine infrastructure projects. Utilizing advanced hydrographic equipment, proven survey methodologies, and experienced marine professionals, Capital Surveys provides reliable data that meets international standards.

Our services cover hydrographic surveying, marine geophysics, oceanographic investigations, underwater inspection, and coastal engineering consultancy, supporting projects from feasibility and design through construction and monitoring.

Hydrographic Survey Services

Capital Surveys specializes in high-precision hydrographic surveys to map seabed topography, water depths, and underwater features essential for safe navigation, dredging, offshore construction, and marine engineering design.

Our hydrographic survey capabilities include:

  • Bathymetric Surveys (Single-Beam & Multi-Beam Echo Sounders)

     

  • Accurate Depth Measurement & Seabed Contouring

     

  • Seafloor Mapping & Feature Detection

     

  • Volume Estimation for dredging and reclamation projects

     

  • Dredging Monitoring & Progress Surveys

     

  • As-Built Hydrographic Surveys for marine structures

     

  • Surveys conducted in accordance with IHO Standards
Bathymetric Survey Services

Capital Surveys delivers detailed bathymetric surveys for shallow water, coastal, and offshore environments to support:

  • Port and harbor development

  • Dredging and reclamation works

  • Offshore and nearshore construction

  • Coastal and environmental studies


High-resolution bathymetric data ensures accurate engineering design and risk assessment.

Sonar Imaging Surveys

Using advanced side-scan sonar and high-resolution imaging systems, Capital Surveys provides:

  • Cable & Pipeline Route Identification

     

  • Detection of Fallen Objects, Debris & Lost Anchors

     

  • Seafloor Imaging & Obstacle Identification

     

  • Seabed Sediment Distribution Analysis

 

Sub-Bottom Profiling (SBP)

Our sub-bottom profiling surveys investigate geological conditions beneath the seabed and support marine engineering and geotechnical planning by identifying:

  • Sediment Layer Delineation

     

  • Buried Pipelines & Objects

     

  • Subsurface Geological Features

     

  • Seabed Stratigraphy & Soil Thickness
Oceanographic & ADCP Surveys

Capital Surveys provides comprehensive oceanographic surveying services, including ADCP (Acoustic Doppler Current Profiler) surveys, essential for marine and coastal engineering design.

ADCP (Acoustic Doppler Current Profiler) Services

  • Current Velocity & Direction Measurement (Water Column Profiling)
  • Tidal Current Analysis
  • Flow Regime Assessment for Intake & Outfall Design
  • Sediment Transport & Scour Assessment
  • Support for Coastal, Offshore & Environmental Studies

Oceanographic Measurements

  • Wave Measurement & Analysis

     

  • Tide Monitoring & Long-Term Tidal Studies

     

  • Physical & Chemical Parameters of Seawater

     

  • Marine Site Assessment & Environmental Baseline Studies

     

Underwater Inspection & Subsea Services

Capital Surveys offers professional underwater inspection and subsea survey services using certified divers and remotely operated systems:

  • Diving Inspection Services

     

  • ROV (Remotely Operated Vehicle) Surveys

     

  • Underwater Photography & Videography

     

  • Inspection of Marine Structures & Subsea Assets

 

Coastal Engineering Consultancy Services

Capital Surveys provides expert coastal engineering consultancy, supporting design, monitoring, and construction of marine infrastructure, including:

  • Design of Intake & Outfall Pipelines

     

  • Shoreline Monitoring & Coastal Erosion Studies

     

  • Design & Construction Support for Coastal Structures, such as:

     

    • Jetties

       

    • Groynes

       

    • Sheet Piling

       

    • Seawalls & Breakwaters
Why Choose Capital Surveys for Hydrographic & Marine Surveys?
  • Advanced hydrographic, sonar & ADCP equipment

  • Experienced hydrographic surveyors & marine engineers

  • Compliance with IHO and international standards

  • Accurate data for design, construction & navigation

  • Proven offshore, nearshore & coastal experience