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Calvada Surveying, Inc | Calvada

Importance of 3D Laser Scanning and Surveys

Oct 1st 2015 at 12:53 AM

3D Laser Scanning is the most advanced and updated land surveying technique employed today. This high definition survey technique is lauded for its superior accuracy. This method is also swifter compared to traditional survey strategies. Building constructors, surveying architects, and project developers use 3D laser scanning to accurately survey and examine structures for renovation, destruction, remodeling, and more.

How 3D Laser Scanning Surveys Work

This high definition survey methodology involves is fast, accurate, and versatile. High-end software is necessary for viewing scanned 3D images that offer markups, panoramic views, and other important measurements. The 3D laser scanner also takes photorealistic panoramic scans(360 by 320 degrees), giving surveyors precise 3D images on which to base their diagnosis.

The 3D survey methodology makes the construction process a lot easier in many ways, enabling extended constructability. This is why the most successful construction companies make use of high definition 3D laser scanning surveys. This technology can be applied in different developmental phases—including project planning, initiating phase, upgrades, and conclusion. From large industries to commercial construction projects down to residential remodels, 3D laser scanning surveys remain extremely useful.

The best surveyors use high-speed laser radar scanners (field of view: 360x270 degrees). Such a 3D scan technology is able to successfully survey any interior, exterior, natural or man-made structure and area within the field of view. This tool creates comprehensive raw data sets (3D images) with 3D point clouds (composed of millions of data points). In the resulting 3D scan or point cloud, every 2 points correspond to AutoCAD point measurements (accuracy: 6mm). The raw scan data may be analyzed using specialized software that allows viewing, panning, rotating, and zooming in. Some types of software also allow instant point-to-point measurements. Post-processing can likewise translate raw data into 2D or 3D AutoCAD drawings that can be used for design, visual walkthroughs, and for rendering solid 3D models.

Applications of 3D Laser Scanning

High definition 3D surveys can be applied to many different scenarios, including:
• Damage assessment
• Condition assessment
• Creation and updating of as-built documentation
• 3D modeling (semi-automated)
• Creating 2D plans
• Tank volumetric information
• Deformation analysis
• Inspections
• Weld peaking reports

Choosing a 3D Laser Scanning Company

It’s important that you work only with a reputable land surveyor in your state or region. Look at their portfolio of services. What other services can they provide? The best surveyors can provide ALTA and ACSM surveys, residential and property surveys, and boundary surveys,among others. They should specialize in 3D scan services, specifically HDS or high-definition surveying. Thanks to high-definition 3D laser scanners, clients receive an accurate and comprehensive survey surface geometry.

About the Author:

Armando Dupont, a professional land surveyor started his career in surveying in 1977 and has extensive experience in managing personnel and projects. His experience includes: topographic mapping, boundary surveys and analysis, construction and control surveying, preparation of tract and parcel maps, earth work calculation and quantities, targeting and control for photogrammetric, and land title surveys in accordance with the American Land Title Association and the American Congress on Surveying and Mapping. Mr. DuPont founded Calvada Surveying, Inc. in 1989 and is a licensed Professional Land Surveyor in the State of California.

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