Engineering & Survey Services
Topography Survey
Every design decision starts with knowing the ground you're building on. Terren's topographic survey work turns raw terrain into levels, contours and site data your engineers can actually design against.
Overview
Know the ground before you build on it.
Before a foundation is poured or a road is aligned, someone has to answer basic questions: how does this land actually sit? Where are the access points, obstructions and elevation changes that will shape the build? Terren's survey teams capture that picture in the field and turn it into data that infrastructure, industrial and development projects can build from — accurate, current, and ready for the next stage of design. Our topographic survey work covers sites across Riyadh, Jeddah, Dammam and Jubail's industrial zones, along with remote and regional project locations throughout Saudi Arabia.
Technology
Applications
Technical Method
From site data capture to engineering-ready survey outputs.
Control & Site Setup
Survey control is established to support reliable positioning, level reference and alignment with project coordinate requirements.
Drone & Ground Data Capture
UAV photogrammetry and ground-based survey methods can be coordinated depending on terrain, access, project scale and accuracy needs.
Terrain Processing
Captured data is processed into usable terrain information such as contours, orthophotos, digital terrain models and site feature outputs.
Engineering Output Preparation
Outputs are prepared in formats suitable for engineers, consultants, contractors and project teams working on design or construction.
What We Cover
Technical scope under topographic survey.
UAV survey and photogrammetry support
GNSS control point coordination
RTK / PPK survey workflows
Ground control point establishment
Contours, DTM and DSM preparation
Orthomosaic and terrain visualization
CAD and GIS-ready deliverables
Road alignment and corridor survey support
Site feature mapping and level information
Deliverables
Structured outputs that support project decisions.
Topographic survey drawings with level information
Contour maps for planning and preliminary design
Orthomosaic / orthophoto outputs for site review
Digital Terrain Model and Digital Surface Model support
CAD-ready files such as DWG / DXF when required
GIS-ready outputs such as SHP / GeoTIFF when required
Survey information for road, access and corridor planning
Terrain data to support site preparation and quantity review