Truepoint Laser Scanning

As Built Construction Surveys / Clash Detection / Prefabrication

OSU Plan Shaded Burnt Orange Pipes
3D Model with Point Cloud Overlay in Navisworks for clash detection

Creating as-builts has never been easier, more accurate, or more complete than it is now, with the use of 3D laser scanning.  And with the trend of repurposing buildings - adapting old structures for new purposes (as-built construction) – it is not a surprise as to why laser scanning has become mainstream so quickly. Through the use of laser scanning technology, TruePoint captures information about a building structure or site in a point cloud file and then uses that data to create deliverables that are useful to Architects, Engineers, and General Contractors (AEC industry).  These deliverables can range from the raw data itself to 2D drawings and 3D models.  Other deliverables such as orthoimages, clash detection analysis, .pdf’s, take offs, volume calculations, and 3D photographs can also be created. 

TruePoint uses a wide range of software packages to create the deliverables and typically works natively in the software in which clients are interested in receiving their data.  For example, if an architect is interested in receiving an intelligent 3D model in Revit 2015, our team of Architects, Engineers, and CAD Technicians will complete their work in these same software suites.  TruePoint utilizes a wide range of software, including several different Autodesk suites, Leica Cyclone, Kubit, EdgeWise by ClearEdge 3D, Bentley Microstation, Rhino, and several others to create a wide spectrum of custom deliverables for our clients.  Since our team is composed of Architects and Engineers who have real-world experience, they understand what clients need and can often anticipate what would be helpful for a particular project. 

The 3D laser scanner captures millions of measurement points per second of the existing structural, mechanical, electrical, and plumbing (MEP) features within the scanner’s line of sight.  TruePoint’s software and post-fieldwork personnel analyzes the point clouds to define the objects in the scan data to show where existing obstacles are and where new features can be installed.  Utilizing laser scan data for clash detection is a very cost-effective method because it reduces change orders, field re-work, and schedule delays due to clashes that would have otherwise gone undetected. 

According to The American Institute of Architects (AIA), change orders account for 3 to 5% of total construction costs. These costs are often equally distributed between the following:

  1. Errors and omissions
  2. Field conditions
  3. Owner requests

For a $10,000,000 project, that could equate to $500,000 in additional costs, not to mention schedule delays and general frustration among the project's team members.

However, laser scanning can help minimize all three categories of change orders.  Laser scanning gives the design team more information up-front, which allows design decisions to happen sooner and makes for a more complete set of bidding drawings.  This, in turn, allows contractors to have confidence in their bids, to fully utilize BIM for virtual construction, and to prefabricate more of their products—all of which, in the end, allow contractors to meet critical path schedule dates and limit both re-orders of materials and delays due to unforeseen field conditions.
In addition: 

  1. Owners can reduce their costs and tighten their schedules.  Furthermore, owners will then have better control over all categories of change orders, allowing for more prudent negotiations and discussions regarding the captured information.
  2. Architects and engineers can make critical design decisions sooner and with more complete and accurate information.  Additionally, they can creatively utilize the point cloud data directly for construction documents, minimizing their drawing or modeling hours. This, in turn, results in a reduction of both RFI’s and change orders related to field conditions, as well as a reduction in errors and omissions.
  3. Contractors can streamline their construction process and prefabricate more materials off-site.  This can result in reduced labor costs, fewer schedule delays, and the satisfaction of delivering a project on time and under budget.
Passenger Elevator Animation
After generating a Building Information Model (BIM), TruePoint was tasked to build an animation illustrating the sequence of construction. Existing objects were modeled off the point cloud and overlaid with the proposed fabrication model. Navisworks allows tasks to be broken down into individual tasks and associated with a specific animation behavior, and timeframe. Navisworks users layout the timeline along a traditional Gantt chart that is interactive with respect to time and animation behavior. Tasks can be modified by directly sliding Gantt chart bars and thereby alter how the animation behaves. A complex sequence of construction can be illustrated in multiply timeframes and animations. The end result is a video that shows animations and an associated Gantt Chart of the tasks.
Passenger Elevator Animation
Click to enlarge

As Built Construction Case Studies  

Former Meat Packaging Plant

To scan the entire interior of an abandoned warehouse, capturing architectural and structural elements for as-built documentation.

Read the complete case study > 

Meat Packaging Plant laser scan

Construction Surveying
of a Medical Facility's Facade

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.

Read the complete case study >  

Intensity Map Point Cloud of Facade

Laser Survey of Pipe for Clash Detection
Laser Survey of Pipe for Clash Detection
OSU Plan Shaded Burnt Orange Pipes
Laser Survey of Pipe for Clash Detection
Detroit, Michigan
OSU Plan Shaded Burnt Orange Pipes
Mechanical Room Pipe Plan
Laser scan of a mechanical room for as-documented verification and clash detection
Laser Scan of Mechanical Room for As-Documented
Verification & Clash Detection
Prefabrication laser scan
Area Scanned for Prefabrication
of Wall Finish System
Columbus, Ohio
Colorized Point Cloud scan with laser
Colorized Point Cloud of Interior Feature Wall and
Drywall Bulkhead Scanned for Prefabrication
Columbus, Ohio
3D Model with laser scanning
3D Model Used for Prefabricating Metal Panel System
Columbus, Ohio

Columbus, Ohio laser scanning company
Finished Prefabricated Stainless Steel Cladding
Columbus, Ohio

Sample of what a TruView is
and what it can be used for

Fly thru of Point Cloud with Steel Structure Overlay
3D orthographic photogrammetry TruView
3D Orthographic Photogrammetry TruView
3D CAD model of building exterior 2D as-built floor plan
3D CAD Model of Building Exterior 2D As-Built Floor Plan

Point cloud with model overlay for verifications and clash detections
Point Cloud with Model Overlay for Verification & Clash Detection




Site Last Updated August 30, 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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