Engineering & Consultancy / Geomatics

Surveying
& Geospatial

Reliable geospatial data for planning, design and construction.

Geodetic control, terrestrial and UAV surveys, photogrammetry, LiDAR and GIS support verified mapping, terrain models and engineering-ready spatial datasets.

Explore our services
01Geodetic controlConsistent spatial reference
02Topographic surveysTerrain and existing conditions
03Remote acquisitionUAV, imagery and LiDAR
04Digital deliverablesCAD, GIS and 3D models

The foundation of a sound design

Precision starts
with reliable control.

Surveying establishes a measurable picture of a site—its position, elevation, physical features and constraints. Control points, coordinate systems, datums and independent checks are selected for the purpose and accuracy requirements of each assignment.

Terrestrial observations, GNSS, imagery and laser scanning are complementary rather than interchangeable. Combining them intelligently helps project teams make informed decisions without overstating the certainty of any single dataset.

Field-to-office continuityDocumented measurement, processing and verification from acquisition through delivery.
Field survey with a GNSS receiver in a mountainous landscape
Field surveying in varied terrain · Field survey reference image

Surveying disciplines

Technical services across
the project lifecycle

Methods are selected to match survey purpose, access constraints, terrain and agreed tolerances. Documented control, independent checks and traceable processing support defensible engineering deliverables.

01 / CONTROL

Geodesy &
Survey Control

GNSS positioning, terrestrial total-station measurements and precise levelling form a reference framework for engineering works, monitoring and repeatable project surveys.

Control networks · Horizontal / vertical datums
02 / TERRAIN

Topographic &
Construction Surveys

Mapping of existing features, levels, contours, infrastructure and site boundaries supports feasibility, grading, earthworks, alignment studies, setting-out and as-built documentation.

Plans · Sections · Volumes · Setting-out
03 / ACQUISITION

Photogrammetry
& Airborne LiDAR

Georeferenced imagery and LiDAR point clouds can support orthomosaics, surface models, terrain extraction and three-dimensional representations—validated with control and checkpoints as appropriate.

Orthomosaics · Point clouds · DTM / DSM
04 / INTEGRATION

GIS & Engineering
Data Integration

Structured spatial data links field measurements with CAD/GIS design workflows. Where relevant, bathymetric observations can be incorporated with carefully managed horizontal and vertical reference systems.

CAD · GIS layers · Metadata · QA/QC

Technical approach

From observation
to decision-ready data

A defensible deliverable depends as much on the control and checking strategy as it does on the sensor used to acquire the observations.

01

Plan the survey

Define purpose, coordinate reference, tolerances, site constraints and independent check methods.

02

Acquire & verify

Use appropriate field methods, record metadata and inspect observations against the control framework.

03

Process & deliver

Prepare drawings, GIS datasets, terrain models and reports suited to engineering use.

Typical project outputs

Prepared for the next stage

  • Control reports and coordinate schedules
  • Topographic plans, contours and cross sections
  • Georeferenced orthomosaics and image mosaics
  • Classified point clouds, DTM and DSM
  • CAD drawings, GIS layers and data metadata
  • As-built and measurement verification records

Technology reference: DJI confirms that Matrice 400 supports Zenmuse L3 using the dedicated single-gimbal connector on E1. Product specifications are presented for technical context only, not as a statement of GPEC ownership. DJI Matrice 400 · DJI Zenmuse L3.

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GPEC / Engineering & Consultancy

Grounded in field experience.
Focused on reliable outcomes.

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