Terrestrial & Marine Surveys
Precise Land Surveying & Hydrometric Monitoring Enhanced by Advanced UAV Technology
Overview
Precise Land Surveying & Hydrometric Monitoring Enhanced by Advanced UAV Technology
AHEC delivers advanced topographic surveying and hydrometric monitoring, combining the latest drone technology with traditional survey methods. Our fleet, equipped with high-resolution cameras, LiDAR sensors and multispectral imaging, enables fast, accurate and cost-effective data collection — essential for environmental impact studies, engineering design and water resource management across the varied terrain of Saudi Arabia, Tunisia and the wider region.
8Capability Areas
58+Specialized Services
ANCEC Classification
Core Capabilities
What We Deliver
A complete scope of specialized services, delivered by one multidisciplinary team.
01 Topographic Surveying 7
- UAV-Based Large-Scale Topographic Surveys (primary method for rapid area coverage)
- Drone Photogrammetry for Digital Terrain Model (DTM) Generation
- Aerial Cross-Section and Longitudinal Profile Data Capture
- UAV Volumetric Analysis (stockpiles, cut and fill, quarries)
- Drone-Assisted Construction Monitoring and As-Built Documentation
- Traditional Ground Survey for Cadastral and Boundary Applications
- RTK GPS Control Network Establishment for Drone Accuracy
02 Hydrometric Monitoring 7
- Stream Flow Measurement and Gauging
- Water Level Monitoring (continuous and periodic)
- Velocity Measurement (current meters, ADCP)
- Discharge Calculations (rating curve development)
- Sediment Load Monitoring
- Groundwater Level Monitoring
- Tidal Gauge Installation and Monitoring
03 UAV/Drone Photogrammetry (Core Survey Method) 11
- High-Resolution Aerial Photography (orthophotos up to 1cm resolution)
- Structure-from-Motion (SfM) Point Cloud Generation (millions of points)
- Automated Flight Planning for optimal coverage and accuracy
- Digital Surface Model (DSM) and Digital Terrain Model (DTM) creation
- Real-Time Kinematic (RTK) Drone Positioning for survey-grade accuracy
- Rapid Large-Area Coverage (100+ hectares per day)
- Multispectral Imaging for vegetation and environmental analysis
- Ground Control Point (GCP) Integration for enhanced accuracy
- 3D Modeling and Visualization from aerial imagery
- Volumetric Calculations from drone-derived surfaces
- Progress Monitoring (weekly, monthly photogrammetry flights)
04 UAV LiDAR Scanning (Advanced 3D Mapping) 10
- Airborne Laser Scanning from drone platform
- High-Density Point Cloud Generation (200-300 points/m²)
- Vegetation Penetration for accurate bare-earth modeling
- Digital Terrain Model (DTM) under tree canopy
- Power Line and Vegetation Clearance Surveys
- Topographic Mapping in Challenging Terrain (wadis, mountains, dense vegetation)
- Stockpile and Mine Volume Measurement
- Infrastructure Corridor Mapping (pipelines, roads, transmission lines)
- Coastal Erosion Monitoring
- Flash Flood Risk Assessment (wadi channel characterization)
05 Specialized Drone Applications 6
- Thermal Imaging Surveys (infrastructure inspection, water leak detection)
- Multispectral Analysis (NDVI, vegetation health, soil moisture)
- Rapid Emergency Response Mapping (flood assessment, disaster documentation)
- Construction Site Daily/Weekly Monitoring
- Environmental Change Detection (temporal analysis)
- Inaccessible Area Surveys (steep slopes, hazardous locations)
06 Survey Technologies 5
- Total Station Surveying (boundary surveys, construction staking, control points)
- Real-Time Kinematic (RTK) GPS/GNSS (ground control establishment, verification)
- Differential GPS (DGPS) (asset mapping, utility location)
- Terrestrial Laser Scanning (3D scanning) (building facades, industrial facilities)
- Bathymetric Survey (Single-beam and Multi-beam Sonar for underwater topography)
07 Data Processing & Deliverables 6
- Survey Data Processing and Adjustment
- Contour Map Generation
- 3D Terrain Visualization
- CAD Drawing Preparation (AutoCAD, Civil 3D)
- GIS-Compatible Data Formats
- Survey Report and Accuracy Certification
08 Applications 6
- Infrastructure Project Design Support
- Environmental Baseline Documentation
- Drainage System Design
- Flood Modeling Input Data
- Construction Volume Estimation
- Coastal and Marine Project Surveys
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