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Optical & GNSS RTK Surveys

Engineering Topography & High-Precision Geodesy

We deliver high-precision engineering topography and geodetic services for infrastructure, civil, and industrial projects. Utilizing robotic total stations (Leica / Topcon) and dual-frequency GNSS receivers for sub-centimeter accuracy.

±1 mm
Instrument Precision
Dual Frequency
ROMPOS Network
1,000+
OCPI Approved Plans
100% Robotic
Leica/Topcon Optics
Engineering Capabilities

Topographical surveys, construction setting out, profiles, and deformation monitoring

Engineering Topography & High-Precision Geodesy
Optical & GNSS RTK Surveys

Engineering Topography & High-Precision Geodesy

Key Technical Features

High-precision topographical surveys for site plans (PUG / PUZ / PAC)
GNSS RTK surveys connected to the national ROMPOS permanent reference network
Setting out of construction axes, grid points, property lines, and utilities
Longitudinal and cross-sectional profiles for roads, railways, and watercourses
Building displacement and structural deformation monitoring over time
Bathymetric surveys and riverbed topographical mapping
Quality Guarantee

ANCPI Clasa I & Standarde ISO

Our services are executed by ANCPI Class I authorized engineers, adhering strictly to ANCPI DocCad, E-Terra, and ISO 9001/27001 standards.

Echipament Megagis
OCPI Approval

Topographical Surveys for PUG/PUZ/PAC

Preparation of digital site plans required for building permits and urban planning approvals.

Infrastructure

Longitudinal & Cross-Sectional Profiles

High-precision altimetric profiling for roads, bridges, and utility line engineering.

Construction Site

Construction Axis & Grid Setting-Out

Continuous site assistance, axis alignment, foundation staking, and property line layout.

Stability Monitoring

Structural Deformation & Movement Monitoring

Tracking micro-displacements and building settlement over time using high-precision leveling.

Field Equipment

GPS ReceiversTopcon HiPer HR / GR-5
Total StationsTopcon OS-103 BG / Leica TCR
RTK Accuracy±8mm Horiz. / ±15mm Vert.

Topographical Deliverables

1
Digital Site Plans verified and approved by OCPI
2
Vector CAD files (DWG / DXF) and 3D Digital Terrain Models (DTM/TIN)
3
Longitudinal and Cross-Sectional Terrain Profiles
4
Setting-out certificates and geodetic precision reports
Execution Methodology

Topographical Engineering Workflow

01

Documentary Audit & ROMPOS Setup

Reviewing existing geodetic points and calibrating GNSS receivers to national reference networks.

02

Optical & RTK Data Acquisition

On-site measurements using robotic total stations and dual-frequency GNSS receivers.

03

CAD Processing & 3D Terrain Modeling

Compiling field data, generating 3D terrain surface models (TIN/DTM), and breakline cleanup.

04

Quality Control & Geodetic Tolerances

Verifying closures against control points and confirming legal precision thresholds.

05

OCPI Approval & Final Delivery

Submitting documentation to OCPI and delivering verified DWG/PDF files.

Target Audience

Topographical Use Cases (B2G & B2B)

B2G · Sector Public

Public Sector (B2G)

  • Infrastructure and National/Regional Road Authorities
  • Regional water and wastewater utility operators
  • City councils developing master urban plans (PUG / PUZ)
B2B · Sector Privat

Private Sector (B2B)

  • General construction contractors (grid setting-out and elevation control)
  • Architectural and structural engineering firms
  • Private landowners requiring exact boundary verification
Free Technical Consultation

Request a Proposal for Engineering Topography & High-Precision Geodesy

Contact us today for a free consultation and a personalized quote for your project.