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Integrated Metrology Solutions

Full-scope metrology capabilities in-house to ensure precise fit up, from planning through installation — all backed by a proven track record of successful data interpretation.

As utilities seek innovative approaches to major projects for upgrades and maintenance, the ability to shape on-site schedules and budgets that meet your project needs becomes more important than ever. That’s why Framatome has full-scope metrology capabilities in-house to ensure precise fit up, from planning through installation. You can be confident in in your project’s success with precision measurements accurate to within .001". Even large-scale, survey-grade precision and as-built surface modeling are accurate within .125". With an operational excellence culture that’s second to none, our metrology teams are focused on the highest standards of safety, quality, performance and delivery for your project.

Support is available for design engineering, fabrication, installation, dimensional receipt inspection, large volume surface modeling, and interference detection as well as animation creation. Innovative technologies include digital photogrammetry, laser tracking, industrial total stations, laser scanning and complete 3D CADD analysis/visualization.

Metrology brings added value to the BWR fleet with projects including:

  • Alternate Decay Heat Removal (ADHR)
  • Auxiliary Transformer Replacement
  • Circulating Water Intake Pump Replacement
  • Condensate Margin
  • Control Rod Disposal
  • Emergency Diesel Generator Mods
  • Feedwater Heater Replacement
  • Feedwater Valve Replacement 
  • Intake Structure Project
  • Intake Valve Replacement
  • Reactor Vessel Cavity & Head Disassembly Sequence Animation & 3D Model
  • Service Water Piping
  • Turbine Controls Modification

Features & Benefits

  • Nuclear is our business — it’s what we do best
  • Advanced metrology services combined with a track record of successful data interpretation
  • Proven experience integrating multiple metrology technologies include but not limited to:
    — Steam Generator Replacements
    — Reactor Vessel Head Replacements
    — Piping Modification Support
    — Component, Valve, and Piping Replacements
    — Reverse Engineering and 3D Modeling Support
    — Virtual Alignment of Components and Machinery Systems
  • Animation with Voice Over to Improve Sequencing and Team Continuity
  • Load Path Analysis and Interference Detection
  • Installation & design risk mitigation
  • Minimized re-work
  • Provides optimal weld locations
  • Ensures proper weld geometry for positive NDE results
  • Reduced personnel radiation exposure
  • Increased safety
  • Improved financial performance
  • Improved schedule performance
  • Customized applications to meet your specific needs

Experienced. Reliable. Accountable.

Over 140 years of combined experience

  • Senior technicians 15-25 years each in 3D metrology equipment and applications
  • CAD unit 40 years combined experience

Diversified background

  • Shipbuilding
  • Aerospace
  • Automotive
  • Nuclear
  • Machining
  • Pipefitting

Recognition and affiliation

  • ASPRS/CMSC certified metrology technicians
  • Certified MicroStation trainer
  • Digital Photogrammetry

    Digital Photogrammetry

    Photogrammetry is a triangulation measurement process that utilizes a series of overlapping high resolution digital images and a robust software package to derive accurate, three-dimensional coordinate measurements. Field accuracies utilizing the methodology of photogrammetry are typically within 0.005.”

    To measure the features, small retro-reflective targets are discreetly installed on the components and/or cubicles, piping, structural interfaces, scribed lines, bolt patterns, walls, etc. These targets are then identified semi-automatically on each image and exported to the iterative bundling software that produces a relative series of individual three-dimensional coordinate data points. This data is then transformed into a working coordinate system by utilizing known features to orient the analysis coordinate system. The points are then analyzed to create geometric shapes such as planes, cylinders, axes, etc.


  • Laser Scanning

    Laser Scanning

    Framatome utilizes an ultra-high speed, “phase-based” laser scanner built for fast, productive as-built data collection.

    Laser scanning does not require target placement to collect dimensional information. However we do use targeting as an aid to provide a better quality end product. The technology is ideally suited for capturing the surface geometries of complex or irregular structures that require engineering or survey-grade accuracy, 0.125" that would otherwise be very time-consuming or very difficult, if not impossible, to measure and model. Finished models can be easily exported to popular CAD packages for subsequent design of facilities and structures, dimensional analysis or conversion to 2D drawings.

    Laser scanning also replaces traditional field walk downs, minimizing resources and personnel dose exposure while increasing the amount and accuracy of the collected data. New technologies include a Measurement Arm and close-range laser scanner accurate to within 0.002" and a medium range laser scanner accurate to within 0.012". Both scanners are capable of measuring irregular features for reverse engineering.


  • Laser Tracker

    Laser Tracker

    The laser tracking system is a “real-time” measurement process that uses a laser distance meter, two precision encoders and sophisticated proprietary software to calculate, store and display the 3-dimensional position of a mirrored target (probe) or other specially developed probe systems. A beam steering system senses movement of the mirrored target and directs two servo motors to track the target. The Tracker follows the mirrored target over features, updating the position at a rate of 1,000 times per second. The abundance of data collected yields good statistical redundancy, permitting excellent accuracy and repeatability. Measurement data can be displayed in spherical, cylindrical, or Cartesian coordinates.

    Field accuracies when utilizing the methodology of laser tracking is 0.002.” The measured 3D data can be presented in reports, exported to CADD programs, or spreadsheet programs for further data analysis.


  • Total Stations

    Total Stations

    The total station is a “real-time” measurement process. By measuring vertical and horizontal angles, and incorporating electronic distance meter (EDM) determined straight-line slope distances, a three-dimensional coordinate value of each survey point is electronically calculated.

    The total station measurement system is accurate to within 0.030” in the field and provides an accurate representation of point cloud data collected and their relation to gravity. The total station utilizes retro reflective targeting to collect the required data. These targets are placed on piping, structural interferences, walls, etc.

    This data is then transformed into a working coordinate system by utilizing known features to orient the analysis coordinate system. The points are then analyzed to create geometric shapes such as planes, cylinders, axes, etc.


  • 3D Modeling

    3D Modeling

    The collected laser scan data will be “registered” together as one common data set relative to plant features in the project area to set the azimuthal and elevation position of the collected data. The point cloud data can be converted to a 3D CAD model  that represents the as-found conditions of the area.  The registered laser scan data and/or 3D CAD model can be used for static and non-static interference detections.


  • Scan Files

    Scan Files

    As part of our laser scanning service, SCANView files will be created and delivered. The SCANView files utilize TruView software, which is free software designed for mass-distribution with an intended use of comprehensive visualization of the scanned areas and includes pan and zoom capabilities, limited measurement extraction, and area/job specific annotation features that can be shared with as many employees/contractors as desired across network or the web. The SCANView files will contain all laser scanning stations and the point cloud data that was acquired from each station. This tool works well for the non-3D users within the project — no skills in laser scanning, CAD, or 3D are needed.