How a Legacy Building Was Digitised Without CAD or BIM

June 8, 2025 in Case Studies, Digital Twins

How a Legacy Building Was Digitised Without CAD or BIM

A brownfield facility was converted into a smart asset using 3D scans and IoT, proving that even older buildings can go digital with the right approach.

Sector
Commercial

Platform
Nhance Digital Twin

Solution
Photogrammetry + Asset & Document Mapping

How a Legacy Building Was Digitised Without CAD or BIM

A brownfield facility was converted into a smart asset using 3D scans and IoT, proving that even older buildings can go digital with the right approach.

Sector
Commercial

Platform
Nhance Digital Twin

Solution
Photogrammetry + Asset & Document Mapping

PROBLEM

Bringing Visibility to a Brownfield Site

This brownfield site had no BIM, no CAD, and minimal documentation. Any digitisation effort seemed impossible due to age and lack of as-built data. Yet, the facility teams needed visibility, better scheduling, and asset control.

SOLUTION

Creating a Digital Twin Using Just Scans and Sensors

Nhance performed high-precision photometric scans, converting point clouds into a live model. Assets and zones were tagged, and IoT sensors were overlaid for maintenance and analytics.

Full digital twin created from 3D scans
No CAD or BIM required
Asset and alert mapping by zone
Document vault connected to each space

RESULTS

Full Digitisation Without Drawings in 4 Weeks

Fully digitised and operational in < 4 weeks
Live fault and occupancy monitoring
Preventive maintenance made spatially actionable
Legacy building upgraded without drawings

TESTIMONIAL

What Our Clients Said

“We thought our building was too old to go digital. The scan-based twin gave us a 21st-century platform without needing 21st-century drawings.”

VP, Facilities,

Large Campus Operator

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The views and opinions expressed in this blog are those of the author and do not necessarily reflect the official policy, position, or views of nhance.ai or its affiliates. All content provided is for informational purposes only.