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Deviation Analysis for Industrial Projects (LiDAR)

When your construction or retrofit project encounters deviations from the design, every misalignment can cause costly delays. Our Deviation Analysis services help you quickly identify discrepancies between as-built conditions and the original design. This early detection reduces rework, minimizes risks, and ensures that your project stays aligned with your objectives, on time and within budget.

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[DEVIATION ANALYSIS]

Deviation Analysis is one of the most powerful applications of laser scanning.

Deviation analysis is the process of comparing the captured 3D scan data (the “as-built” condition) against a reference model or design drawing (the “as-designed” intent) to identify differences.

The result is usually shown as a color-coded heatmap, where deviations from the design are displayed in different colors based on tolerance thresholds (e.g., green = within tolerance, red/blue = out of tolerance).

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Key benefits for your project

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TECHNOLOGY

Early Issue Detection

Prevents costly rework by identifying issues early.

Optimize Quality Control

Improves QA/QC with measurable, documented proof.

Faster Decision-Making

Speeds up decision-making with clear visualizations.

Stakeholder Confidence

Increases trust between stakeholders with objective, data-driven reports.

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How the technology works

We focus on accuracy, reliability, and service — delivering high-quality data and models tailored to your project needs.

Capture data

A laser scanner collects millions of points from the built environment.

Align data

The point cloud is aligned with the CAD or BIM design model.

Run analysis

Specialized software calculates the distance between each scan point and the design geometry.

Visualize results

Differences are shown in a heatmap or report, highlighting where construction is within or outside of tolerances.

[DEVIATION ANALYSIS]

Identify, Analyze, and Correct Discrepancies in Real Time

Ideal for: manufacturing plants,
food & beverage, automotive,
energy, and mining.

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Frequently Asked Questions

Explore answers to key questions about our Deviation Analysis services.

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What types of laser scanners are used for 3D Laser Scanning (LiDAR)?

• High-precision laser scanners (static, mobile, or handheld) capture millions of measurement points of the as-built environment.
• Accuracy is typically ±2–5 mm, depending on scanner type.

What is point cloud data and how is it generated?

• The scanner generates a point cloud, a dense 3D dataset that represents every surface in the scanned area.
• This becomes the “real-world” reference for comparison.

How is the point cloud compared to CAD/BIM design models?

• The point cloud is compared against a design model (from AutoCAD, Revit, Navisworks, etc.).
• The design serves as the “theoretical” reference.

What software is used for Deviation Analysis?

• Software such as Leica Cyclone, Autodesk ReCap, Navisworks, CloudCompare, Trimble RealWorks, or Faro Scene performs the comparison.
• Algorithms detect differences between point cloud (as-built) and CAD/BIM (as-designed).

How Do Color-Coded Deviation Maps Work?

•  Results are visualized as heatmaps:
        Green = within tolerance
        Blue/Red = below/above design surfaces
•  Reports and maps highlight exactly where deviations occur.

Tolerance Settings used in Deviation Analysis?

• Engineers set tolerance thresholds (e.g., ±5 mm or ±10 mm).
• The system automatically flags areas outside those tolerances.

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