Digital twin for the Pulperie’s historic buildings

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Client

The Chicoutimi Pulp Mill

Objective

A major industrial landmark in the Saguenay region, the Chicoutimi Pulp Mill, formerly a plant operated by the Chicoutimi Pulp Company and now a historic site and regional museum, houses century-old buildings whose preservation poses a significant challenge. To help preserve and document this exceptional heritage, CGQ Innovation Géomatique undertook the creation of a digital twin of the site’s heritage buildings.

A digital twin is a precise, measurable virtual replica of a real-world location. Once modeled, the buildings can be viewed, inspected, and analyzed remotely for monitoring the condition of structures, planning restoration work, managing interventions, or promoting tourism and museum experiences through immersive virtual tours.

Multi-Technology Data Acquisition

In October 2026, the CGQ team visited the site to collect data, combining three complementary technologies:

  • The Matrice 600 drone, equipped with an airborne sensor, to cover the entire site and capture the rooftops with high precision;
  • The NavVis VLX portable mobile scanning system, which captures immersive scans of building facades;
  • A GNSS receiver, ensuring the precise georeferencing of all data within a common coordinate system.

This combination yields a comprehensive and consistent model of the site, combining geometric precision with rich visual documentation.

Preserving Heritage for the Future

Beyond mere documentation, this digital twin will become a valuable management tool for the Pulperie: future restoration projects will be able to use it as a reference, damage can be tracked over time, and the site’s history can be shared with visitors and future generations in new ways.

Fields

Digital Twin

Heritage Preservation

Data Acquisition October 2026

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