GISMappers

Underground Surveying

Underground surveying is a specialized branch of topographic surveying that involves the precise measurement and mapping of subsurface structures and environments. It is essential for mining, tunneling, pipeline construction, utility detection, and infrastructure development. These surveys enable engineers and project planners to gain a clear understanding of underground conditions, avoid hazards, and guide excavation or construction with confidence and accuracy.

Key Features & Benefits:

1. Utility Mapping & Detection

Detection and mapping of underground utilities like cables, pipelines, and drainage systems using GPR and EM locators.
Prevents damage during excavation and ensures accurate records for urban infrastructure.

2. Mining and Tunnel Surveys

Used for alignment and control in underground mining and tunneling operations.
Provides 3D spatial data to monitor excavation progress and structural integrity.

3. Subsurface Modeling & Mapping

Generates accurate 3D models of underground utilities and voids.
Helps in planning for infrastructure expansion, trenchless technology, and rehabilitation works.

4. Safety & Risk Mitigation

Identifies potential hazards like buried tanks, sinkholes, or unstable ground.
Enhances safety during construction, drilling, or excavation activities.

5. GPS-denied Environment Surveying

Uses Total Stations, laser scanners, and inertial systems in environments where GPS signals are unavailable (e.g., tunnels, basements).
Ensures continuous accuracy in complex underground networks.

At GISMappers, we leverage the latest in Ground Penetrating Radar (GPR), Electromagnetic (EM) locators, and inertial navigation tools to provide highly accurate underground surveying services. Our team works across various sectors including construction, mining, utilities, and urban development to help clients reduce risk and plan smarter with trusted subsurface data.