A GPRS Case Study

3D Laser Scanning a Historic Church for Restoration

3D Laser Scanning a Historic Church for Restoration

Highlights

THE BIG IDEA

To complete the restoration of the church, the client required accurate 2D CAD drawings with precise measurements of the structural and architectural elements.

INDUSTRY

Historic Restoration Services

SERVICE

3D Laser Scanning Mapping & Modeling

LOCATION

Glandorf, Ohio

PM Insight

Deliverables

The client received 2D orthographic sheets for floor plans, reflected ceiling plans, and sections. Also, intensity map point cloud files, PTGs, were delivered for use in many CAD packages.

PROJECT APPLICATION

TASK

Our client needed accurate as built documentation to complete a $1.2 million restoration and improvement project for a historic church. The 1875-built church in Glandorf, Ohio was the largest Roman Catholic church built at the time. Built in Neo-Gothic style, it contained a 225-foot spire, beautiful statues imported from Austria and stained-glass windows imported from Germany. In 2017, the church underwent a 3-month historic restoration and improvement project. The project involved preventive measures including fiber-glassing the interior walls, painting and installing updated storm windows to protect the stained glass. In addition, damaged sections of the archway and niches were repaired, and a ceiling was lowered in the vestibule to highlight a stained-glass window.

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Task

Our client needed accurate as built documentation to complete a $1.2 million restoration and improvement project for a historic church. The 1875-built church in Glandorf, Ohio was the largest Roman Catholic church built at the time. Built in Neo-Gothic style, it contained a 225-foot spire, beautiful statues imported from Austria and stained-glass windows imported from Germany. In 2017, the church underwent a 3-month historic restoration and improvement project. The project involved preventive measures including fiber-glassing the interior walls, painting and installing updated storm windows to protect the stained glass. In addition, damaged sections of the archway and niches were repaired, and a ceiling was lowered in the vestibule to highlight a stained-glass window.

PROBLEM

Our client provides historic restoration services and is dedicated to providing excellence in conservation and restoration. To complete the restoration of the church, the client required accurate CAD drawings with precise measurements of the structural and architectural elements.

Solution

With a Leica P40 laser scanner, GPRS quickly captured the structural and architectural details of the church’s interior in 92 laser scans. 3D laser scanning captured full spatial and color data with high detail and precision.

Benefits

  • Laser scanning can capture extreme detail for even the most intricate buildings easily.
  • 3D laser scanning delivered a valuable data set to the client.
  • Intensity map point cloud files provided digital visualization.
  • 2D CAD drawings were created from accurate scan data.

CASE STUDY GALLERY

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“Our team was more effective and efficient because of SiteMap, allowing us to provide better results from more informed decision-making.”
Alexander Valigosky
Project Environmental Scientist

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