OUR SERVICES

Comprehensive Survey & Construction Solutions

From seabed to skyline — precision at every elevation

01
Hydrographic & Topographic Survey

Hydrographic & Topographic Survey

Comprehensive Shoreline-to-Seafloor Mapping and Data Collection for Coastal and Offshore Infrastructure

SERVICE OVERVIEW
High-Resolution Bathymetry: Executing singlebeam and multibeam sonar surveys to chart subsea terrain, measure water depths, and map seabed topography. Coastal...
High-Resolution Bathymetry: Executing singlebeam and multibeam sonar surveys to chart subsea terrain, measure water depths, and map seabed topography. Coastal & Land Topography: Performing high-precision land and shoreline surveys to profile intertidal zones, coastal structures, and adjacent land terrain. Dredging Support & Volumetrics: Conducting pre- and post-dredging surveys, tracking subsea trenches, and computing accurate cut-and-fill volume metrics. Obstruction & Hazard Mapping: Deploying side-scan sonar imaging to detect subsea pipelines, submerged debris, structural hazards, and navigational risks. Geodetic Alignment: Establishing precise vertical datums, spatial reference networks, and custom coordinate alignments to deliver engineering-ready datasets.
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Hydrographic & Topographic Survey
02
Machine Control Systems

Machine Control Systems

3D machine guidance for excavators, dozers, and graders.

SERVICE OVERVIEW
Transform your earthmoving operations with precision 3D machine guidance and GNSS-based control systems.
KEY DELIVERABLES
3D Machine Guidance for Excavators, Dozers & Graders
GNSS-Based Machine Control
Total Station-Based Machine Control
Laser-Based Grading & Leveling Systems
Site Calibration, Setup & Support
Design Model Preparation & Integration (Civil 3D / BIM)
On-Site Technical Training
Aftermarket System Installation & Maintenance
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Machine Control Systems
03
Marine & Offshore Positioning Services

Marine & Offshore Positioning Services

High-Precision Real-Time Navigation, Asset Tracking, and Vessel Positioning for Offshore Operations

SERVICE OVERVIEW
Vessel & Barge Positioning: Delivering real-time high-accuracy positioning and orientation control for survey vessels, construction barges, lay barges, and jack-up...
Vessel & Barge Positioning: Delivering real-time high-accuracy positioning and orientation control for survey vessels, construction barges, lay barges, and jack-up rigs. Subsea Asset & ROV Tracking: Utilizing acoustic positioning systems to track subsea equipment, remotely operated vehicles, and underwater structure placement with pinpoint precision. Anchor Handling & Tug Management: Providing real-time telemetry and navigation guidance for anchor handling tugs during barge mooring and offshore platform operations. High-Precision GNSS Positioning: Deploying multi-constellation RTK and DGNSS setups to establish rigid spatial reference controls for coastal and offshore engineering activities. Pipe & Cable Lay Guidance: Real-time track alignment, touchdown monitoring, and position verification for subsea pipeline, umbilical, and power cable installations.
KEY DELIVERABLES
Real-Time Kinematic (RTK) GNSS Positioning
Static & Rapid Static GNSS Surveys
Post-Processed Kinematic (PPK) Solutions
Geodetic Control Network Establishment
Vessel & Barge Positioning (Marine)
Offshore Platform Positioning
Tide Gauge & Water Level Positioning
Precise Point Positioning (PPP) Services
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Marine & Offshore Positioning Services
04
Aerial Drone UAV Surveying

Aerial Drone UAV Surveying

Photogrammetry, LiDAR, and thermal drone surveys.

SERVICE OVERVIEW
Drone-based topographic mapping, LiDAR surveys, orthomosaic creation, 3D modelling, and infrastructure inspection.
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Aerial Drone UAV Surveying
05
Hydrographic Survey USV

Hydrographic Survey USV

Autonomous unmanned surface vessel bathymetry.

SERVICE OVERVIEW
Autonomous single and multibeam bathymetry, shallow-water mapping, ADCP flow measurement, and environmental monitoring.
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Hydrographic Survey USV
06
GPR – Ground Penetrating Radar

GPR – Ground Penetrating Radar

Non-destructive subsurface scanning and utility locating.

SERVICE OVERVIEW
Underground utility locating, concrete scanning, void detection, and bridge deck assessment using GPR technology.
KEY DELIVERABLES
Underground Utility Locating (Pipes, Cables, Conduits)
Concrete Scanning (Rebar, Post-Tension Cables, Conduits)
Void Detection beneath Slabs & Pavements
Underground Storage Tank (UST) Detection
Pavement Layer Thickness Evaluation
Bridge Deck Condition Assessment
Archaeological & Forensic GPR Surveys
Subsurface Anomaly Mapping
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GPR – Ground Penetrating Radar
07
Oceanographic & Metocean Surveys

Oceanographic & Metocean Surveys

Real-Time Oceanographic Data Collection, Hydrodynamic Modeling, and Environmental Baseline Monitoring

SERVICE OVERVIEW
Current Velocity & Flow Profiling: Deploying Acoustic Doppler Current Profilers (ADCP) to record current speed, direction, and flow distribution throughout...
Current Velocity & Flow Profiling: Deploying Acoustic Doppler Current Profilers (ADCP) to record current speed, direction, and flow distribution throughout the water column. Tide & Sea Level Monitoring: Real-time tracking of tidal cycles, water surface elevations, and vertical datum benchmarking for marine infrastructure and navigation. Wave Climate & Spectral Analysis: Measuring directional wave height, period, energy spectra, and sea state conditions using floating buoys and subsea pressure sensors. Water Quality & Physical Sampling: Multi-depth sea water sampling and continuous monitoring of physical parameters, including salinity, temperature, turbidity, and dissolved oxygen.
KEY DELIVERABLES
Meteorological Station Installation & Monitoring
Wave & Current Measurement (Directional Buoys, ADCPs)
Tide & Water Level Recording
Operational Weather Forecasting for Marine Works
Sediment Transport & Coastal Process Studies
Water Quality Profiling (CTD)
Environmental Baseline Data Collection & Reporting
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Oceanographic & Metocean Surveys
08
Marine Geophysical Surveys

Marine Geophysical Surveys

Sub-Surface Geological Mapping and Geohazard Identification for Offshore Engineering & Marine Construction

SERVICE OVERVIEW
Sub-Bottom Profiling: Mapping sub-seabed geological strata, sediment thickness, bedrock profiles, and shallow sub-surface structures. Side-Scan Sonar Imaging: High-resolution acoustic seabed...
Sub-Bottom Profiling: Mapping sub-seabed geological strata, sediment thickness, bedrock profiles, and shallow sub-surface structures. Side-Scan Sonar Imaging: High-resolution acoustic seabed imaging to map seafloor morphology, exposed pipelines, subsea debris, and navigational hazards. Marine Magnetometer Surveys: Detecting magnetic anomalies, buried ferrous targets, subsea pipelines, umbilical cables, and unexploded ordnance (UXO). Geohazard & Site Clearance Investigations: Identifying shallow gas pockets, fault lines, scour features, and sub-surface constraints to derisk foundation and dredging operations.
KEY DELIVERABLES
Seismic Refraction & Reflection Surveys
Electrical Resistivity Tomography (ERT)
Electromagnetic (EM) Surveys
Magnetometer Surveys
Downhole & Crosshole Geophysical Logging
Microgravity Surveys (Void/Cavity Detection)
Geotechnical Geophysics (Rippability, Bedrock Profiling)
UXO & Archaeological Geophysical Screening
Integrated Geophysical Data Interpretation & Reporting
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Marine Geophysical Surveys
09
Construction Services

Construction Services

Full-scale construction from earthworks to finishing.

SERVICE OVERVIEW
Site preparation, concrete works, steel erection, road construction, utility installation, and project management.
KEY DELIVERABLES
Underground Utility Locating (Pipes, Cables, Conduits)
Concrete Scanning (Rebar, Post-Tension Cables, Conduits)
Void Detection beneath Slabs & Pavements
Underground Storage Tank (UST) Detection
Pavement Layer Thickness Evaluation
Bridge Deck Condition Assessment
Archaeological & Forensic GPR Surveys
Subsurface Anomaly Mapping
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Construction Services
10
Civil Survey Services

Civil Survey Services

Cadastral, boundary, and construction survey services.

SERVICE OVERVIEW
Boundary surveys, construction staking, as-built surveys, earthwork calculations, and subdivision planning.
KEY DELIVERABLES
Cadastral & Boundary Surveys
Topographic Survey for Civil Design
Construction Staking & Layout
As-Built & Record Surveys
Earthwork Quantity & Volume Calculations
Right-of-Way & Easement Surveys
Subdivision Planning, Platting & Title Surveys
ALTA/NSPS Land Title Surveys
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Civil Survey Services
11
Marine & Offshore Mechanical Services

Marine & Offshore Mechanical Services

Specialized Mechanical Maintenance, Subsea Infrastructure Servicing, and Deck Equipment Mobilization

SERVICE OVERVIEW
Subsea Infrastructure Maintenance: Inspecting, cleaning, and servicing underwater assets, including outfall diffuser pipes, intake screens, manifolds, and structural flanges. Marine...
Subsea Infrastructure Maintenance: Inspecting, cleaning, and servicing underwater assets, including outfall diffuser pipes, intake screens, manifolds, and structural flanges. Marine Growth & Biofouling Removal: Mechanical cleaning, hydro-jetting, and surface preparation for subsea structures, sea chests, and vessel hulls. Survey Mobilization & Custom Fabrication: Designing, welding, and installing specialized over-the-side sensor poles, transducer brackets, and deck winch frames for survey vessels. Cover Plate & Valve Interventions: Mechanical removal, bolt torquing, seal replacement, and re-installation of subsea inspection covers, blind flanges, and flow control gates.
KEY DELIVERABLES
HVAC System Installation & Commissioning
Plumbing & Piping System Works
Fire Protection System Installation
Industrial Equipment & Machinery Setup
Pump Station Mechanical Installation
Welding & Metal Fabrication
Preventive Maintenance & Repair Services
Material Handling System Installation
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Marine & Offshore Mechanical Services
12
Construction Materials Testing (CMT)

Construction Materials Testing (CMT)

Soil, concrete, asphalt, and steel testing services.

SERVICE OVERVIEW
Soil classification, field density testing, concrete and asphalt testing, steel reinforcement testing, and pile integrity testing.
KEY DELIVERABLES
Soil Classification & Proctor Compaction Tests
Field Density Testing (Nuclear Gauge, Sand Cone)
Fresh & Hardened Concrete Sampling & Strength Testing
Asphalt Mix Design, Extraction & Marshall Testing
Aggregate Gradation, Abrasion & Quality Testing
Steel Reinforcement Tensile & Bend Testing
Plate Load & Foundation Bearing Capacity Tests
Pile Integrity Testing (PIT)
On-Site & Laboratory Testing Services
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Construction Materials Testing (CMT)
13
Electrical Services

Electrical Services

Design, installation, and maintenance of electrical systems.

SERVICE OVERVIEW
Power distribution, lighting, fire alarm, low voltage systems, backup power, and electrical maintenance.
KEY DELIVERABLES
Electrical System Design & Installation
Power Distribution, Panel Boards & Cabling
Indoor, Outdoor & Street Lighting Systems
Fire Alarm & Life Safety System Installation
Low Voltage Systems (Data, CCTV, Access Control)
Emergency Backup Power (Generators, UPS)
Testing, Commissioning & Troubleshooting
Electrical Maintenance & Retrofitting
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Electrical Services
WHY CHOOSE GEOMAK

The Tools & Standards We Rely On

Multibeam Sonar

Reson SeaBat 7125/T50

UAV LiDAR

Riegl VUX-1UAV

GPR System

GSSI SIR-4000

Dual-Freq GNSS

Trimble R12i

Total Station

Leica TS16

Heavy Drones

DJI Matrice 350

Processing Software

QINSy / CARIS / Trimble

CAD Platform

AutoCAD Civil 3D

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