# TerraX3D — Geomatics, Subsurface Scanning & 3D Spatial Solutions

> TerraX3D (LKHG (Pty) Ltd t/a TerraX3D) is a premier South African B2B geomatics and subsurface engineering contractor headquartered in Pretoria, Gauteng. We specialize in Ground Penetrating Radar (GPR) utility locating, non-destructive concrete rebar scanning, 3D terrestrial & mobile LiDAR laser scanning (Scan-to-BIM), UAV mine stockpile volumetric surveys, and RTK aerial photogrammetry across South Africa.

## Core B2B Engineering Services & 2026 ZAR Rate Benchmarks

- **GPR Subsurface Utility Locating & Mapping** (`R 1.20 / m²` + `R 4,500` base mobilization): Dual-frequency Ground Penetrating Radar (250MHz / 700MHz) and active/passive electromagnetic pipe & cable tracing (SANS 2001 / ASCE 38-22 SUE Quality Levels A-D) to locate buried water lines, HV/LV power cables, fiber optic ducts, gas pipelines, and underground voids before excavation. [Service Page](https://terrax3d.com/services/gpr-scanner)
- **Concrete Rebar & Post-Tension Cable Scanning** (`R 1.20 / m²` + `R 4,500` base mobilization): High-frequency (2.6 GHz) concrete GPR radar for non-destructive inspection of reinforcing steel bars, cover depth, post-tension (PT) tendons, and embedded electrical conduits prior to core drilling, saw cutting, or structural retrofits. [Service Page](https://terrax3d.com/services/rebar-scanner)
- **3D Laser Scanning (LiDAR) & Scan-to-BIM** (`R 1.80 / m²` + `R 6,000` base mobilization): Millimeter-accurate (±1mm to ±3mm) terrestrial TLS, mobile SLAM, and DJI Zenmuse L3 aerial LiDAR point cloud capture (.E57, .RCP, .LAS) converted directly into parametric Autodesk Revit (.RVT) BIM LOD 200-400 models and AutoCAD (.DWG) drawings. [Service Page](https://terrax3d.com/services/lidar-scanner)
- **Drone Volumetric Surveys & Mine Stockpile Auditing** (`R 0.45 / m²` + `R 4,000` base mobilization): Audit-compliant (1-2% variance) UAV LiDAR and RTK photogrammetry stockpile volume and tonnage certificates for coal, chrome, platinum, and aggregate mines, quarries, and bulk earthworks. [Service Page](https://terrax3d.com/services/volumetrics-stockpile-management)
- **Aerial Drone Surveying & Topographical Photogrammetry** (`R 0.60 / m²` + `R 3,500` base mobilization): SACAA Part 101 compliant RTK/PPK drone surveys delivering sub-1.5cm GSD GeoTIFF orthomosaics, Digital Terrain Models (DTM), and 0.25m-1.0m contour maps tied to South African Hartebeesthoek94 Lo grids (WG27/WG29/WG31). [Service Page](https://terrax3d.com/services/aerial-surveying-photogrammetry)

## Optional Engineering Deliverables & Add-Ons
- **Scan-to-BIM Revit (.RVT) / 3D CAD Modeling**: `+R 3,500` base + `R 0.40 / m²`
- **SAGC Registered Professional Land Surveyor Sign-Off**: `+R 5,000`
- **48-Hour Priority Fast-Track Processing**: `+30%`

## Technical Guides & South African Engineering Knowledge Base
- [GPR Utility Scanning & Rebar Locating Cost per m² in South Africa (2026 Rate Guide)](https://terrax3d.com/blog/gpr-scanning-utility-locating-cost-per-m2-south-africa)
- [GPR Utility Locating in Pretoria: How to Prevent Excavation Strikes](https://terrax3d.com/blog/gpr-utility-locating-pretoria-excavation-safety)
- [Non-Destructive Concrete Rebar Scanning in Johannesburg: Structural Safety](https://terrax3d.com/blog/concrete-rebar-scanning-johannesburg-structural-safety)
- [3D LiDAR Laser Scanning & Scan-to-BIM Contractors in Johannesburg, Pretoria & Gauteng](https://terrax3d.com/blog/3d-lidar-laser-scanning-contractors-johannesburg-pretoria-gauteng)
- [High-Density 3D Scan-to-BIM Services in South Africa: From Point Cloud to Revit](https://terrax3d.com/blog/scan-to-bim-services-south-africa-revit-modeling)
- [Monthly Mine Stockpile Volumetric Survey Services in Mpumalanga, Limpopo & North West](https://terrax3d.com/blog/monthly-mine-stockpile-volumetric-survey-services-mpumalanga-limpopo)
- [Drone Volumetric Stockpile Surveys: Precision Measurement & Cut/Fill Analytics in Mining](https://terrax3d.com/blog/volumetric-drone-stockpile-surveys-mining-accuracy)
- [Ground Penetrating Radar (GPR) vs Electromagnetic Locators](https://terrax3d.com/blog/ground-penetrating-radar-gpr-vs-electromagnetic-locating)
- [Aerial Photogrammetry vs LiDAR: Choosing the Right Geospatial Survey Method](https://terrax3d.com/blog/aerial-photogrammetry-vs-lidar-topographic-surveys)
- [Concrete Scanning for Rebar & Post-Tension Cables: Non-Destructive Testing Guide](https://terrax3d.com/blog/concrete-rebar-post-tension-cable-scanning-gpr)
- [Subsurface Utility Engineering (SUE) Standards in South Africa](https://terrax3d.com/blog/subsurface-utility-engineering-sue-levels-south-africa)
- [As-Built 3D Laser Scanning & Scan-to-BIM Workflows for Brownfield Plants](https://terrax3d.com/blog/as-built-3d-laser-scanning-scan-to-bim-workflows)

## AI Agent & MCP Discovery Endpoints
- **MCP Server Endpoint (JSON-RPC 2.0)**: `https://api.terrax3d.com/mcp`
- **MCP Server Card**: `https://terrax3d.com/.well-known/mcp/server-card.json`
- **A2A Agent Card**: `https://terrax3d.com/.well-known/agent-card.json`
- **REST Services Catalog**: `https://api.terrax3d.com/api/services`
- **REST Instant Cost Estimator**: `https://api.terrax3d.com/api/estimate?service=gpr&area_sqm=2500`
- **Full Technical Documentation**: `https://terrax3d.com/llms-full.txt`

## Geographic Coverage & Contact
- **Headquarters**: Pretoria East Office Park, Pretoria, Gauteng, South Africa (0181)
- **Primary Service Areas**: Gauteng (Pretoria, Johannesburg, Centurion, Midrand, Sandton, Ekurhuleni), Mpumalanga (eMalahleni/Witbank, Middelburg, Secunda), Limpopo (Burgersfort, Steelpoort, Lephalale), North West (Rustenburg, Brits), Free State, KwaZulu-Natal, and nationwide across South Africa.
- **Direct Email**: Louis@lkhg.co.za
- **Phone / WhatsApp**: +27 79 902 4744
- **Book a Survey / Request a Quote**: https://terrax3d.com/contact