Truepoint Laser Scanning

Case Study: 3D Laser Scanning of a Medical Facility's Facade

Photograph of Building Envelope
System after installation

Location:
Cincinnati, Ohio

Task:
To capture the edge of slab of multi-story hospital structure as it was being built to verify it was built to specifications and identify any discrepancies prior to fabrication of building envelope system.

Challenge:
Due to the extremely high tolerances of this particular building envelope system and the complexity of the slabs it attached to, the contractor needed to know any deviation of the slab in order to adjust the system before fabrication.  Since the client needed so many measurement points along the edge of slab, traditional survey methods would have been impractical. 

Solutions:
By utilizing 3D laser scanning, TruePoint was able to capture literally a million measurements per second as it scans the façade of the building structure, creating a highly detailed point cloud of the exterior shell surface.  Overlaying the point cloud on top of the construction management firm’s design model, TruePoint was then able to show the client where there were discrepancies and have them adjust these areas prior to fabrication of the wall assembly.

Deliverable:
A colorized Point Cloud, TruView’s and 2D AutoCAD elevation drawings showing variance between as-is construction and design model (supplied to us by client). 

Added Value:
Having Structural Engineers and Architects on-staff, TruePoint’s team was able to understand the construction firm’s needs and assist them in creating the necessary deliverables to achieve their goal of verifying the structure was built as it was intended to be. 

If you have a project that requires quick and accurate dimensions which may be otherwise difficult to obtain, contact TruePoint Laser Scanning at 734-807-0117 or cincinnati@truepointscanning.com to determine if 3D laser scanning may be the right solution for your project.




Colorized Point Cloud of building slabs


2D Plan showing design model variances from as-built

2D AutoCAD Elevation showing
point cloud and design model variances

 

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Site Last Updated June 26, 2017
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©2017 TruePoint Laser Scanning, LLC. TruePoint Laser Scanning, LLC. ® is a Registered Trademark
*DISCLAIMER: 3D Laser scanning is a measurement tool to assist in capturing as-built conditions of existing spaces and should be used in conjunction with other sound industry practices for verifying these conditions, including but not limited to: site visits, manual field measurements and verifications of scan data, to ensure its accuracy prior to design and engineering. Because this data can be used for various applications and disciplines outside the scope of the original field scanning and beyond our control, we cannot guarantee that the data is accurate for these uses.
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