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Recent projects

A selection of our most recent work.

Dredging work on a waterway in Fryslân
Fryslân, the Netherlands · 2026 to present

Waterway dredging in Fryslân: surveys and excavation systems

Maintenance dredging of a waterway of over 14 kilometres in Fryslân: De Groot GeoServices provides the surveys and machine models for Van der Meulen Woudsend, commissioned by the Province of Fryslân.

Bathymetric model of the Weser at the construction works in Bremen
Bremen, Germany · 2024 to present

Wesertunnel Bremen: integrated survey and machine support

From dredging logs, drone and water surveys to excavation systems and connected survey software for the northern and southern approaches.

Cross section of a levee with measured line, design and a red area where the levee is too low
The Netherlands · 2026

Levee profiles: measured against the design

RTK pole-measured profiles of a levee, automatically checked against the design, with a clear sheet per cross section and an indication of the shortfall.

TideMate screen showing the current water level, the tidal station on the map and the last 24 hours of water level
The Netherlands and Germany · 2026

TideMate: tidal data linked to the GNSS position

An in-house tool that retrieves current water level and tidal data, selects the nearest active station and presents the information directly.

Animated excavation simulation of a sand extraction site with yellow areas outside the bed model
Anonymised sand extraction site · 2026

Excavation simulation: visualising continued extraction

An animated 3D scenario shows what happens when extraction continues to greater depth while the existing slope ratios are extended.

Crane rail in an industrial hall during inspection and measurement
The Netherlands, Belgium and Germany · 2026

Crane rail measurements: geometry tested to ISO 12488-1

Accurate verification of gauge, alignment, elevation and local slope of crane rails, worked up in our own software, CalibrationMate.

Bathymetric depth model around the Friesenbrücke near Weener
Weener, Germany · 2024 to 2025

Friesenbrücke: verification of dredging and bed protection

Turning 2D designs into construction-ready 3D models, supported by monitoring, reporting and excavation systems around the bridge axes.

Drone with camera in flight over a survey area
Netherlands · 2024

Drone Survey: optimizing measurement accuracy

An innovative drone survey project combining measurement accuracy and turnaround time for a complex topographic project.

Suction system in action during dune reinforcement on Wangerooge
Wangerooge, Germany · 2023

Wangerooge: efficient system integration for dune reinforcement

A hydraulic crane temporarily integrated into a suction system to spray sand more efficiently on Wangerooge for dune reinforcement.