case studies

Architects and mechanical contractors could plan both the demolition of the existing systems and the implementation of the new systems without jeopardizing the Frank Lloyd Wright Unity Temple's aesthetics and spatial design.

To laser scan both the interior and exterior of Frank Lloyd Wright’s Unity Temple and produce a 3D BIM model for historical renovation documentation.

GPRS laser scanned the interior and exterior of Frank Lloyd Wright’s Unity Temple to produce a 3D BIM model for historical renovation documentation.

Location: Unity Temple in Oak Park, Illinois Task: To laser scan both the interior and exterior of Frank Lloyd Wright’s Unity Temple and produce a 3D BIM model for historical renovation documentation. Challenge: The challenge in this case was to be able to thoroughly document the 1909 Frank Lloyd Wright masterpiece—in order to prepare for a multi-million dollar building restoration—without compromising the building’s historical identity or disrupting ongoing tourism and church activities within Unity Temple. Solutions: Building Information Modeling (BIM) has become a major practice within the AEC industry, specifically for new construction, adaptive reuse, or buildout projects. But how does this practice of “build twice” translate to restoring an early 19th century architectural marvel? By means of High Definition Surveying (HDS). HDS is a non-contact measuring tool that collects visible information of existing conditions in a fast, precise way while, at the same time, reducing damage risks and time associated with traditional measuring methods. Visible information is captured in 360 degrees, generating a 3D point cloud with accuracy up to 2 to 4mm. These point clouds ultimately become 3D virtual worlds of the building, making the method a fast and cost effective way to generate as-built documentation (both 2D and 3D) for project analysis and coordination. In the case of Unity Temple, TruePoint was hired for its expertise in historical preservation by means of laser scanning and BIM modeling. TruePoint’s team of architects and engineers performed a comprehensive laser scan of the building’s interior (temple, offices, mechanical basement, classrooms, etc.), exterior, roof, and skylights in order to capture explicit detail of Unity Temple’s current condition. TruePoint then created a 3D Revit model from the point cloud data so that the construction management firm and subcontractors (mechanical contractors, concrete restoration, architects, etc.) could investigate the building’s existing state and accurately assess their project designs for restoring Unity Temple. Deliverables: Deliverables included a 3D Revit model of the building’s interior, exterior, roof, and skylights; a colorized point cloud in Autodesk Recap file formats (.rcp/.rcs) to be used directly in Autodesk Software (Revit, AutoCAD, Navisworks, etc.); and TruView photographs. Added Value: The colorized point cloud generated from laser scanning gave explicit detailed information that would be otherwise nearly impossible or extremely difficult to document without risking damage to the fragile building elements. Examples of two key architectural features are the intricate window panes (e.g., clerestories, skylights) and the wood trim throughout Unity Temple. Both of these features were collected in the point cloud data in congruence with other building information (structure, mechanical systems, etc.). Additionally, TruePoint trained the client on how to create 2D elevations, sections, and a Reflected Ceiling Plan (RCP) directly from the point cloud data within AutoCAD. These AutoCAD sheets contained precise measurements and photographs, making it quick and easy for the client to identify the exact piece and location of each element for its removal, restoration, and re-implementation. TruePoint also provided the client with TruViews. The TruView utilizes a free plug-in for Internet Explorer in order to view each scan location from the scanner’s perspective. This offers a quick, easy way to take rudimentary measurements, make hyperlink notes, and perform project collaboration, thereby reducing the hassle, time, and cost associated with on-site visits. Another added bonus of producing a comprehensive point cloud and BIM model of Unity Temple was documenting the existing mechanical room and tunnel in relation to the entire structure. Mechanical contractors and architects could then plan both demolition of the existing systems and implementation of the new systems without jeopardizing Frank Lloyd Wright’s aesthetic and spatial design.

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3D Laser Scanning

With 3D laser scan data, the client can accurately verify the existing HVAC and mechanical equipment within the building without having to worry about positioning or measurement error. This helps them to design their new systems more accurately and efficiently.‍

3D scanning services were performed for a 10-story office building, capturing existing above-ceiling interstitial HVAC systems on each floor, as well as mechanical rooms, chiller rooms, air handling unit rooms and a basement tunnel connecting the utility area to the office building. Over 240,000 square foot of space was laser scanned to document the as-is conditions. The client was upgrading the HVAC system and GPRS developed a 3D model to aid the design process and reduce clashes.

With the 3D laser scan data collected by GPRS, the client could accurately verify the existing HVAC and mechanical equipment within the building.

Location: Toledo, Ohio Task: 3D scanning services were performed for a 10-story office building, capturing existing above-ceiling interstitial HVAC systems on each floor, as well as mechanical rooms, chiller rooms, air handling unit rooms and a basement tunnel connecting the utility area to the office building. Over 240,000 square foot of space was laser scanned to document the as-is conditions. The client was upgrading the HVAC system and GPRS developed a 3D model to aid the design process and reduce clashes. Challenge: With the site being an active office building, it was critical that the required lidar scanning data was obtained with minimal interruptions. Accuracy was important and the space was vast, they needed complete documentation to plan for system upgrades, including above the acoustic tile that was to remain in place. Solutions: Using the RTC360 and P40 Leica 3D laser scanners, GPRS Project Managers 3D laser scanned the interstitial and mechanical space in the evenings to avoid interrupting the office workday. A laser scanner mounted to a tripod was extended above the ceiling tiles to capture the interstitial space. With the 3D laser scan data, the client can accurately verify the existing HVAC and mechanical equipment within the building without having to worry about positioning or measurement error. This enables them to design their new systems more accurately and efficiently. Deliverable: GPRS delivered point cloud data in .rcs file format usable in Autodesk products (Revit, AutoCAD, Navisworks, etc.) so the client can align and overlay the point cloud to their existing 3D Revit model to verify the location of large format ductwork located in the interstitial space. GPRS also provided a 3D model of the mechanical rooms, chiller rooms, air handling unit rooms and basement tunnel. An LOD 100 model of the structural space and an LOD 300 of the MEP space was delivered to the client. Added Value: GPRS customizes deliverables for each client, so they are only paying for what they need. Also, upon completion of the HVAC system upgrade and prior to ceiling tiles being installed, GPRS will re-mobilize to the site to capture the new as-built conditions of the space for future reference.

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3D Laser Scanning

GPRS’ accurate measurements allowed the client to order dimensionally-correct windows for each specific opening, thus reducing any change orders for this project. The client can review the 6-story building and its openings in 3 separate deliverables: the point cloud, the 2D drawings, and the TruViews.

To capture the dimensions of all the window openings on the building.

GPRS captured the accurate dimensions of the window openings safely from the ground.

Location: Detroit, Michigan Task: To capture the dimensions of all the window openings on the building. Challenge: The building was a 6-story building with windows on all four sides. The height alone of a 6-story building can create enough challenges when obtaining accurate measurements of window dimensions. This project, however, presented additional challenges. For example, the exterior of the building was not easily accessible by lift or scaffolding due to its being located along a busy road with minimal right of way. Additionally, the other sides of the building also had obstacles which further limited access to the windows. Solutions: By utilizing laser scanning, a non-contact measurement tool, GPRS was able to capture the accurate dimensions of the window openings safely from the ground, as well as from other safe locations. Windowsills can sometimes be difficult to capture when scanning from the ground, but our scan technicians were able to set up on and scan from surrounding buildings and rooftops to ensure enough elevation to capture these features accurately for our client. And since laser scanning is not only safe and accurate, but also is extremely fast, the field work was limited to one day. Deliverable: GPRS provided our client with 2D elevations in AutoCAD, which included the dimensions of the edge of existing rough openings dictated by the limestone cladding. Additionally, we supplied our client with TruViews – 3D photographs overlaid on top of the point cloud, allowing for rudimentary measurements directly from the photos. The client can now view the building and its openings in 3 separate deliverables: the point cloud, the 2D drawings, and the TruViews. Added Value: Many times, in field measuring, there is an assumption made, after measuring several similar units, that others will likely be of the same dimensions. With laser scanning we can easily and accurately determine the dimensions of each opening individually. As is common with many older buildings, many of the openings of this building appeared to be the same size but, in fact, varied enough to cause potential problems. GPRS’ accurate measurements allowed the client to order dimensionally-correct windows for each specific opening, thus reducing any change orders for windows that did not fit perfectly the first time they were placed.

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3D Laser Scanning

With the possession of an as-built, field-verified 3D model of the façade and awning, our client can confidently design and fabricate the necessary custom panels for their project. All guesswork is eliminated from the equation and the client can rely solely on the accurate measurements collected by Leica 3D laser scanners.

GPRS’ task on this project was to laser scan and 3D model a façade for a building addition under construction at an airport. After receiving the 3D model, the client requested a second mobilization to 3D laser scan and model the building’s awning.

GPRS’ task on this project was to laser scan and 3D model a façade and awning for a building addition under construction at an airport.

Location: Hebron, Kentucky Task: GPRS’ task on this project was to laser scan and 3D model a façade for a building addition under construction at an airport. After receiving the 3D model, the client requested a second mobilization to 3D laser scan and model the building’s awning. Challenge: GPRS’ client was fabricating and installing custom architectural panels for the building addition. The panels needed to fit perfectly and attach seamlessly with the already built substructure and window arrangement. For the second mobilization, awnings would also have to be made to adhere to the unique geometry of the awnings already in place at the airport. The size (25+ ft tall) and intricate detail of these panels made them very difficult to accurately measure using traditional measurement techniques. Solution: GPRS was able to quickly mobilize and scan the 17,000 sq. foot façade in one day. 59 laser scans were completed with the Leica P50 and P40 ScanStations from both the ground level and the elevated roadway that leads to the passenger drop-off zone. For the second mobilization, GPRS completed 23 scans with the Leica P40 ScanStation to gather precise data of the awning. Using industry standard registration methods, the scans from each dataset were seamlessly tied together to provide comprehensive detail of the façade and awning from all necessary vantage points. Deliverable: The final deliverables for this project consisted of an intensity map point cloud (.PTG format), Leica JetStream Viewer files (.LGS file), and a 3D model delivered in a .STP file format. All of which were mailed on a 1TB hard drive sent directly to the client’s office in Pennsylvania. Added Value: With the possession of an as-built, field-verified 3D model of the façade and awning, our client can confidently design and fabricate the necessary custom panels for their project. The client can reference the models during installation to troubleshoot on-site issues that may arise. Essentially, all guesswork is eliminated from the equation and the client can rely solely on the accurate measurements collected by Leica 3D laser scanners.

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3D Laser Scanning

Capturing basic structural and architectural features will immensely help the architect in planning the hotel renovations.

A hotel developer plans to invest $30 million to renovate a 200-room hotel in downtown Toledo, Ohio. GPRS performed laser scanning services to aid this client in the renovation. GPRS 3D laser scanned the exterior elevation, basement, main lobby level, 2nd floor and elevator shaft – more than 30,000 square feet of space. All structural and architectural features were captured as part of the scan.

A hotel developer plans to invest $30 million to renovate a 200-room hotel in downtown Toledo, Ohio.

A hotel developer plans to invest $30 million to renovate a 200-room hotel in downtown Toledo, Ohio. Case Study: 3D Laser Scanning Aids In Hotel Renovation Location: Toledo, Ohio TASK: A hotel developer plans to invest $30 million to renovate a 200-room hotel in downtown Toledo, Ohio. GPRS performed laser scanning services to aid this client in the renovation. GPRS 3D laser scanned the exterior elevation, basement, main lobby level, 2nd floor and elevator shaft – more than 30,000 square feet of space. All structural and architectural features were captured as part of the scan. PROBLEM: No accurate as-built drawings existed. It would have been difficult, costly and time consuming to manually measure the 19-story building. The developer was not local, making transportation and lodging an added expense. Safety was also a concern, as the building was partially demolished and contained asbestos. SOLUTION: GPRS quickly mobilized to the site and captured the existing conditions of the hotel. Using a P40 survey-grade Leica ScanStation, the local GPRS Project Manager tied the data to survey control, achieved 2-4mm accuracy, and mitigated movement, ensuring level scans. The client received .rcs Intensity Map Point Cloud files, 2D AutoCAD Floor Plans, 2D Point Cloud Sheets, a 3D Revit 2017 LOD 100 Model and TruViews. To save costs and expedite this project, only the unique floors of the hotel were laser scanned. Capturing the basic structural and architectural features will immensely help the architect in planning the hotel renovations. Laser scanning quickly captured precise data while avoiding the risk of the unsafe environment. GPRS collected all building information, eliminating the need to return to the site for additional measurements. For 3D laser scanning of hotels and other resort properties, contact GPRS. GPRS Intelligently Visualizes The Built World® for customers, nationwide. What can we help you visualize? GPRS 3D laser scanned the exterior elevation, basement, main lobby level, 2nd floor and elevator shaft – more than 30,000 square feet of space. GPRS CAD designers developed a 3D Revit 2017 LOD 100 Model for the client to plan the renovation. Point cloud of 2nd floor. LOD 100 Model close-up of basement and 1st floor beams. Detail of exterior wall dimensions. 3D model closeup of northwest stairwell.

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3D Laser Scanning

For oil tank replacement, the true shape and condition of the tank can be critical for ensuring that the new design fits the existing conditions; reducing costly delays or rework.

GPRS provided terrestrial-based 3D laser scanning services for a 25' x 25' x 30' oil tank near Topeka, Kansas. The objective was to capture the existing conditions of the tank, piping, flanges, nozzles, structural steel, pipe supports, and grade.

3D laser scanning by GPRS for an oil tank replacement.

3D laser scanning by GPRS for an oil tank replacement. Case Study: Oil Tank 3D Laser Scan Location: Emporia, Kansas TASK: GPRS provided terrestrial-based 3D laser scanning services for a 25' x 25' x 30' oil tank near Topeka, Kansas. The objective was to capture the existing conditions of the tank, piping, flanges, nozzles, structural steel, pipe supports and grade. PROBLEM: The client was upgrading the oil tank and needed 3D laser scanning to plan for the removal and replacement. For tank replacement, the true shape and condition of the tank can be critical for ensuring that the new design fits the existing conditions; hence reducing costly delays or rework. All piping, nozzles and structural steel around the tank was reality-captured so the new tank could be designed with proper fit and without interruptions to the unit. SOLUTION: 3D laser scanning provides a way to quickly and accurately obtain the existing condition information. The exact dimensions of a tank can easily be determined to ensure that fabrications match the existing structure. In less than 5 hours on site, the GPRS Project Manager captured the as built conditions of the existing tank and nozzles. Once the point cloud was registered, GPRS Mapping & Modeling CAD technicians delivered the point cloud data for the client to incorporate into their design model. GPRS delivered Intensity Map Point Cloud files, RCS Files and PTG Files to the client. BENEFITS: GPRS uses Leica Laser scanners, which can also capture images to further enhance the collected data. These images, called TruViews, were provided to the client and offer factual record of the areas inspected. GPRS is an experienced 3D laser scanning company. Our knowledgeable Project Managers confidently scan complex jobs with extreme safety requirements. For this job, the technician used an intrinsically safe laser scanner, since any spark would cause an explosion for this particular tank farm. Delivering the point cloud data gives the client the ability to do clash detection for interferences, saving them time and money in the field. GPRS Intelligently Visualizes The Built World® for customers nationwide. What can we help you visualize? For 3D laser scanning services in Kansas, call GPRS. Isometric view of scan area captured from a tripod mounted scanner. Perspective view of the hexane tank. Perspective view of piping surrounding the oil tank.

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3D Laser Scanning

With 3D laser scanning, the client avoided the costs of renting a lift, manually measuring the façade, and the potential of inaccurate and incomplete data.

This client needed to do some rehabilitation on a historic cathedral in Denver, Colorado. After experiencing 100 years of weather in Denver, the cathedral had damage to the exterior stonework. GPRS laser scanned the exterior front façade of the historic cathedral and provided the client with 2D drawings.

GPRS worked quickly to define the scope of work, document a proposal, provide 3D laser scanning services and deliver a 2D drawing for this project.

Case Study: Historic Cathedral Needs 3D Laser Scanning Of Front Façade Location: Denver, Colorado Task: This client needed to do some rehabilitation on a historic cathedral in Denver, Colorado. After experiencing 100 years of weather in Denver, the cathedral had damage to the exterior stonework. GPRS laser scanned the exterior front façade of the historic cathedral and provided the client with 2D drawings. Problem: Prior to beginning work, the client needed accurate drawings to document the locations of stonework that needed maintenance. The client was pressed for time and needed an immediate turnaround for 3D laser scanning services and a 2D drawing. They also had a minimal budget for this project. Solution: GPRS worked quickly to define the scope of work, document a proposal, provide 3D laser scanning services and deliver a 2D drawing for this project. The Project Manager was able to scan the exterior façade within a few hours. GPRS quickly captured the entire front facade from the ground without the need for a lift. The Leica C10 laser scanner was used, whose range exceeds 900 feet and possesses accuracy that is sub-centimeter, making 3D laser scanning a perfect option. GPRS supplied the client with 2D elevations of the plotted point cloud so they could document the exterior stone damage while on site. Benefits: The client avoided the costs of renting a lift, manually measuring the facade and the potential of inaccurate or incomplete data. GPRS offers an extensive team of laser scanning professionals, including Engineers and Architects, to provide a deliverable that is accurate, cost-efficient and timely. If you are in the Denver area and are in need of as-builts, construction verification, or architectural documentation call GPRS for a quote! We Intelligently Visualize The Built World for customers, nationwide. What can we help you visualize? Want to hear more about our different applications? We offer Lunch ’n Learn presentations at your office!

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3D Laser Scanning

GPRS captured point cloud data to generate a 3D as-built model from which the client could take measurements and locate key features that could be affected by the seating renovation.

GPRS laser scanned a historic theater, including the main floor, three balcony levels, and box seats to generate a 3D Revit model for seating renovations. The target objects of data acquisition were structural features, including exposed columns and beams; and the architectural envelope of the audience area, including walls, floors, ceilings, doors, openings, railings, seats, floor, and lighting.

GPRS 3D laser scanned a historic theatre to generate a 3D Revit model for seating renovations.

GPRS 3D laser scanned a historic theatre to generate a 3D Revit model for seating renovations. Case Study: 3D Laser Scanning A Theatre To Generate A 3D Model Location: Philadelphia, PA Task: GPRS laser scanned a historic theater, including the main floor, three balcony levels and box seats to generate a 3D Revit model for seating renovations. The target objects of data acquisition were structural features, including exposed columns and beams; and the architectural envelope of the audience area, including walls, floors, ceilings, doors, openings, railings, seats, floor and lighting. Problem: The client did not have accurate as-builts to plan and layout the new seating and understand the grade of the main floor and balconies. Manually measuring for this would have been time consuming and less accurate. Solution: 3D laser scanning will provide the client precise, as-built documentation of the historic theater, including floor slope, balcony and ceiling heights. GPRS captured point cloud data to generate a 3D as-built model from which the client could take measurements and locate key features that could be affected by the seating renovation. Benefits: GPRS’ in-house CAD technicians created a 3D Revit model for the client. Revit families were created for all the varying features so that each layer could be selected or de-selected depending on which portion of the model was being analyzed by the client. Accurate data facilitates timely and cost-efficient decisions. The 3D model will be crucial to plan for enhancements that are made to the space. This model could further be used to study the room acoustics and how adding/removing/changing objects would impact the reflection of sound. GPRS Intelligently Visualizes The Built World® for our customers, nationwide. Our 3D laser scanning services specialize in point cloud processing and Autodesk® software implementation workflows. Certified laser scanning professionals have extensive experience in data collection. Our in-house Mapping & Modeling Team bring real world applications of the data to create meaningful models. For 3D laser scanning in Philadelphia, call GPRS. For 3D laser scanning services in theatres, arenas or stadiums, contact GPRS Laser Scanning. Certified scanning professionals have extensive experience in collecting point cloud data. GPRS generated a 3D Revit model of the theater’s structure, architecture and seating. The 3D model will be crucial to plan for enhancements that are made to the space. 3D laser scanning will provide the client precise, as-built documentation of the historic theater.

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3D Laser Scanning

3D laser scanning aids the process of architectural design from the early stages of site documentation and conceptualization, to monitoring construction progress and verifying as-built accuracy.

GPRS Laser Scanning developed an as-built model to aid this client in converting a historic building into a luxury hotel. GPRS provided 3D scanning services for a 250,000 square-foot building, including the exterior facades, floors 1-4, basement, roof, penthouses and mechanical spaces. GPRS’ team of in-house architects, engineers and CAD Technicians delivered point cloud files, a 3D model, and TruViews to the client.

GPRS 3D laser scanned a 250,000 square-foot historic building and developed a 3D Revit model to aid the client in renovating the building into a luxury hotel.

Meta Title: GPRS Develops As-Built Model to Convert Historic Building into a Luxury Hotel Meta Description: GPRS 3D laser scanned a 250,000 square-foot historic building and developed a 3D Revit model to aid the client in renovating the building into a luxury hotel. Header: A GPRS Case Study: GPRS Develops As-Built Model to Convert a Historic Building into a Luxury Hotel Images: Link: https://www.gp-radar.com/services/mapping-modeling Alt Tag: 3D model of a multi-story building. Caption: 3D model showing courtyard windows. Link: https://www.gp-radar.com/services/mapping-modeling Alt Tag: 3D model of a building exterior. Caption: 3D model showing building exterior. Link: https://www.gp-radar.com/services/mapping-modeling Alt Tag: 3D model close-up of building exterior. Caption: 3D model close-up showing exterior architectural features. Link: https://www.gp-radar.com/services/3d-laser-scanning Alt Tag: Intensity map point cloud of lobby. Caption: Intensity map point cloud of lobby. Link: https://www.gp-radar.com/services/3d-laser-scanning Alt Tag: Intensity map point cloud of building exterior. Caption: Intensity map point cloud of building exterior. Link: https://www.gp-radar.com/services/3d-laser-scanning Alt Tag: A 3D laser scanner standing in a building’s courtyard. Caption: 1,680 laser scans were completed in 15 days with a Leica P20 ScanStation. Link: https://www.gp-radar.com/services/3d-laser-scanning Alt Tag: A laser scanner stands in front of a multi-story building. Caption: GPRS completed long-range, high-resolution laser scanning of a historic building in Philadelphia. Quote from GPRS Team Member: “The scanning and modeling teams worked around the clock, sometimes 7 days a week, to complete this project. The hard work paid off and we’re thrilled with the result – one of our most highly-detailed architectural 3D models to date.” - Nate Baker, GPRS Service Line Leader – 3D Laser Scanning Location: Philadelphia, Pennsylvania Task: GPRS Laser Scanning developed an as-built model to aid this client in converting a historic building into a luxury hotel. GPRS provided 3D scanning services for a 250,000 square-foot building, including the exterior facades, floors 1-4, basement, roof, penthouses and mechanical spaces. GPRS’ team of in-house architects, engineers and CAD Technicians delivered point cloud files, a 3D model, and TruViews to the client. Challenge: The client was challenged with acquiring highly detailed architectural data including walls, ceilings, floors, stairs, balustrades, colonnades etc., and structural data including exposed columns and beams to design the renovation. Due to the size of the building and the ornate features, traditional methods would have taken months to complete and would not have been as accurate or anywhere near as detailed. Solutions: The GPRS scan technician completed 1,680 laser scans in 15 days (an average of over 100 scans per day!) with a Leica P20 ScanStation. A 3D Revit model with varying degrees of LOD 200 and LOD 300 modeling was generated by GPRS’ engineers based on the client’s instruction. Some areas of the building, such as the main lobby and exterior facades, required finer modeling detail over 350. This was deciphered through several project scope conferences between GPRS and the client. Deliverables: GPRS delivered point cloud files (.rcs file formats), a 3D Revit model and TruViews to the client. GPRS worked closely with the project architect to review the model in real time utilizing BIM360 software for shared viewing of the model in its current state throughout the 2-month project. Added Value: 3D laser scanning aids the process of architectural design from the early stages of site documentation and conceptualization, to monitoring construction progress and verifying as-built accuracy. Aside from the benefits of quickly and accurately creating detailed as-built drawings of a site, the data acquired through laser scanning has continued value throughout the project's life. Laser scanning and modeling is exploding in the AEC industry. 3D laser scanning creates a smooth BIM workflow, from the acquisition of data to a polished 3D model. Scan to BIM services are becoming more popular as the need for intelligent 3D CAD models grows.

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3D Laser Scanning

"GPRS has been able to continually support our customer through multiples phases of this project. Ultimately, the power utility has been able to benefit from our partnership, allowing the new power distribution project to move smoothly from the design, into the construction phase of the project.” – Curtis Hoag, Market Segment Leader, Power

GPRS Utility Locating Services provided clearances and as-builts for the excavation for and installation of power duct banks in an urban neighborhood.

The power utility company required accurate locations, depths, and maps of all public & private utilities at the site of their proposed duct bank that they could share with their design & engineering teamsMany of the utility lines were under a roadway, impeding Project Managers’ efforts without traffic controlThe duct bank had been designed without subsurface data; installing it without underground utility maps had a high probability of a clash and/or utility strike GPRS Project Managers instituted traffic control measures to ensure a safe work zoneGround penetrating radar (GPR) and electromagnetic (EM) locating were deployed utilizing Subsurface Investigation Methodology (SIM) to locate all buried utilities, public & private, providing depth readings where possibleUtility location and mapping were accomplished via on-site field markings and GPS; those findings were uploaded to SiteMap® to create maps and drawings detailing the location and type of each utility line The power utility now has accurate existing conditions documents of its site, even depths of utilities under a busy roadwayThe design team could define any potential clashes and rework prior to construction to save valuable time and money, and preserve safetyDesigners, stakeholders, and contractors could see their initial results within minutes, and could collaborate seamlessly from anywhere via SiteMap’s® cloud-based platform and mobile applicationGPRS provides a complimentary SiteMap® Personal subscription, PDF and .KMZ file for every utility locate

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General SOQ

GPRS provided 3D laser scanning and modeling services for a power plant in Ann Arbor, Michigan, which generates and processes four main services: steam, electricity, compressed air and domestic hot water. The objective was to as-built survey the 5-level building, basement, exterior facades, rooftop areas, electrical switch gear rooms, vaults and interstitial space below the control room. GPRS generated a 3D model in Bentley Microstation for the client’s use. The model included all civil, structural, electrical and mechanical features, including piping and conduits ½" in diameter and larger

GPRS provided 3D laser scanning and modeling services for a power plant in Ann Arbor, Michigan.

Location: Ann Arbor, Michigan Task: GPRS provided 3D laser scanning and modeling services for a power plant in Ann Arbor, Michigan, which generates and processes four main services: steam, electricity, compressed air and domestic hot water. The objective was to as-built survey the 5-level building, basement, exterior facades, rooftop areas, electrical switch gear rooms, vaults and interstitial space below the control room. GPRS generated a 3D model in Bentley Microstation for the client’s use. The model included all civil, structural, electrical and mechanical features, including piping and conduits ½" in diameter and larger. Challenge: The client needed to accurately document existing conditions. Due to the vast space and density of piping, it would have been much more difficult and time consuming to accurately depict the location of pipe runs, structural features and other details in the plant manually. It would have also been difficult and unsafe to capture overhead and structural features without the use of a lift. Solutions: Utilizing several scan technicians and multiple Leica laser scanners, including the Leica P-40, P-20, and C-10 ScanStation, GPRS was able to occupy existing plant benchmarks and orient the data to survey control. GPRS’ scan technicians captured full color panoramic photographs at each scan location with the on-board camera. GPRS completed over 1,200 individual scans for this project due to the density of the piping. Deliverables: GPRS’ team of in-house CAD technicians provided Microstation POD files, full-color TruViews and a Bentley Microstation V8i 3D model. Added Value: GPRS communicated directly with on-site personnel at the power plant and participated in daily work briefings to ensure compliance with plant safety protocol. Additionally, GPRS’ CAD technician visited the site with the scan technician, utilizing cutting edge methods to conduct in-field verification and quality assurance review of the 3D model on tablets in real time using both virtual reality and augmented reality methods.

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3D Laser Scanning

GPRS provided laser scanning services to capture data from a staircase and railings to generate a 3D model in STP file format. The target objects of acquisition were the staircase features including treads, rails and rail hangers. The 3D model was needed to create custom drawings to prefabricate an irregular railing.

GPRS is experienced in 3D laser scanning spiral staircases.

Location: New York, NY Task: GPRS provided laser scanning services to capture data from a staircase and railings to generate a 3D model in STP file format. The target objects of acquisition were the staircase features including treads, rails and rail hangers. The 3D model was needed to create custom drawings to prefabricate an irregular railing. Challenge: It was difficult for the client to accurately make three-dimensional measurements of staircase and railing using conventional tools. Manually trying to take enough measurements in the X, Y, Z axis to comprehensively and accurately model the unique shape and contours would have been tedious and nearly impossible. Solutions: High resolution point cloud data was collected by an experienced scan technician in 20 scan locations and four hours on site. Accurate measurements of all parts of the stairway, including the whole step surface, balustrade, handrails and adjacent floor and wall surfaces were quickly captured. Deliverable: GPRS’ in-house engineers delivered intensity map point cloud files, 3D model in STP file format and TruView’s (3D photographs overlaid on top of the point cloud data) to the client.Added Value: The GPRS scan technician was met on site by an Italian-based design firm to discuss using the 3D model to generate design specs. In this case, the client was interested in dimensions of the railing for fabrication. 3D laser scanning generates point cloud data and engineers can summarize the data into a 3D model. Every dimension on the staircase can be determined quickly and accurately. Another benefit of laser scanning includes being able to immerse a viewer in the virtual scene without the need for a site visit. 3D laser scanning is a powerful tool for capturing measurements where precision and accuracy are critical.

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3D Laser Scanning

To complete the restoration of the church, the client required accurate 2D CAD drawings with precise measurements of the structural and architectural elements.

Our client needed accurate as built documentation to complete a $1.2 million restoration and improvement project for a historic church. The 1875-built church in Glandorf, Ohio was the largest Roman Catholic church built at the time. Built in Neo-Gothic style, it contained a 225-foot spire, beautiful statues imported from Austria and stained-glass windows imported from Germany. In 2017, the church underwent a 3-month historic restoration and improvement project. The project involved preventive measures including fiber-glassing the interior walls, painting and installing updated storm windows to protect the stained glass. In addition, damaged sections of the archway and niches were repaired, and a ceiling was lowered in the vestibule to highlight a stained-glass window.

GPRS’ client needed accurate as-built documentation to complete a $1.2 million restoration and improvement project for a historic church.

Our client provides historic restoration services and is dedicated to providing excellence in conservation and restoration. To complete the restoration of the church, the client required accurate CAD drawings with precise measurements of the structural and architectural elements. With a Leica P40 laser scanner, GPRS quickly captured the structural and architectural details of the church’s interior with92 laser scans. 3D laser scanning captured full spatial and color data with high detail and precision. Laser scanning can capture extreme detail for even the most intricate buildings easily. 3D laser scanning delivered a valuable data set to the client. Intensity map point cloud files provided digital visualization. 2D CAD drawings were created from accurate scan data. From skyscrapers to sewer lines, GPRS Intelligently Visualizes The Built World® to keep your projects on time, on budget, and safe.

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3D Laser Scanning

The deliverables provided will be an asset for years to come as they can be referenced for any future coring or drilling needs showing where everything embedded in the slab was prior to pouring.

The client was in active build of an eight-story apartment complex in Houston, Texas. Each floor had five to six concrete pours scheduled on specific dates over an 8-month period. GPRS 3D laser scanned each area to capture the existing conduit, post-tensioning, rebar plan and sleeves prior to the slab being poured. This allowed the client to check the existing conditions for any irregularities.

GPRS 3D laser scanned each area to capture the existing conduit, post-tensioning, rebar plan and sleeves prior to the slab being poured.

Location: Houston, Texas Task: The client was in active build of an eight-story apartment complex in Houston, Texas. Each floor had five to six concrete pours scheduled on specific dates over an 8-month period. GPRS 3D laser scanned each area to capture the existing conduit, post-tensioning, rebar plan and sleeves prior to the slab being poured. This allowed the client to check the existing conditions for any irregularities. Challenge: The client was on a strict timeline and did not want delays in construction. They needed to quickly and accurate ensure that everything was in its correct location prior to pouring the slab. The client needed a 3D laser scanning company who could quickly mobilize to the site, conduct efficient laser scanning and provide point cloud data aligned to the design drawings within 24-48 hours. Solution: GPRS worked closely with the client. The scan technician mobilized to the site 1-2 times a week for 8 months and quickly captured the data without stalling the construction process. The scan technician set up the laser scanner at multiple locations around each slab and captured the data without disturbing the active construction site. GPRS’ team of in-house engineers quickly provided the point cloud alignment. The sub-centimeter point cloud data allowed the client to review the site conditions and make changes prior to the scheduled pour and without ever having to leave the office. Deliverable: GPRS’ Project Manager laser scanned each area and provided a colorized point cloud to the client. The colorized point cloud allowed the client to see color imagery, stitched over the point cloud to assess the area for misplaced sleeves, conduits and post-tension runs. This data was also aligned to the existing building plans to quickly find any issues. Added Value: The client relayed that GPRS saved them thousands of the dollars with just the first mobilization. They identified issues with the sleeve alignment from the home office and had them corrected prior to the slab being poured. Finding out that the sleeves were not in the correct location, even the day after the pour, would have cost the general contractor tens of thousands of dollars in coring costs alone. And if this problem would not have been discovered until framing and other elements went up could have cost exponentially more. GPRS’ nationwide team of scan technicians that can mobilize to any site quickly. Our experience and long-term client commitment make us a great partner for your 3D laser scanning needs. 3D high-definition surveying has proven to be a quick, accurate, and versatile tool for architects, engineers, BIM managers, general contractors, and construction managers. It is ideal for adaptive reuse or renovation projects. In this case, GPRS provided the client with invaluable information that allowed them to assess the site from their office before the concrete slab was poured. The deliverables provided will be an asset for years to come as they can be referenced for any future coring or drilling needs showing where everything embedded in the slab was prior to pouring. From skyscrapers to sewer lines, GPRS Intelligently Visualizes The Built World® to keep your projects on time, on budget, and safe. What can we help you visualize?

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3D Laser Scanning

GPRS provided 3D laser scanning services for six parking lot structures at the Dallas Fort Worth International Airport, ranging from 500 to 2,500 square feet in plan area. The client wanted accurate dimensional information to prefabricate replacement canopies for each of the structures.

GPRS provided 3D laser scanning services for six parking lot structures at the Dallas Fort Worth International Airport, ranging from 500 to 2,500 square feet in plan area

Dallas Fort Worth International Airport – DFW Airport, Texas Prefabrication of Canopies for Parking Lot Structures ‍ TASK: GPRS provided 3D laser scanning services for six parking lot structures at the Dallas Fort Worth International Airport, ranging from 500 to 2,500 square feet in plan area. The client wanted accurate dimensional information to prefabricate replacement canopies for each of the structures. ‍ CHALLENGE: The client needed accurate information to design replacement fabric panels, including the location of the attachment plates and fasteners. They requested a quick turnaround on this project, GPRS expedited deliverables within 15 working days of the purchase order. ‍ SOLUTION: Dimensions were quickly verified in these high traffic areas of the airport with a Leica laser scanner. GPRS’ Mapping & Modeling Team created an LOD 200 Revit 3D model including basic structural elements, such as exposed structural columns and joists, grade and canopy. With the 3D model, the following details could be used to expedite prefabrication and installation - elevations, plan dimensions, radii of rolled elements, plus locations and dimensions of all attachment hardware.

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3D Laser Scanning

The Kennedy Space Center used GPRS 3D laser scanning services during recent upgrades to Launch Complex 39B. Our client was installing piping from the mechanical room under the launch pad up to the surface where they terminate, rerouting overhead piping through the mechanical room, as well as, removing and installing new equipment. GPRS delivered accurate and reliable as-built data for the Kennedy Space Center to plan upgrades and reroute piping.

The Kennedy Space Center used GPRS 3D laser scanning services during recent upgrades to Launch Complex 39B.

The Kennedy Space Center – Cape Canaveral, Florida 3D BIM Model to Upgrade Launch Complex 39B ‍ TASK: The Kennedy Space Center used GPRS 3D laser scanning services during recent upgrades to Launch Complex 39B. Our client was installing piping from the mechanical room under the launch pad up to the surface where they terminate, rerouting overhead piping through the mechanical room, as well as, removing and installing new equipment. GPRS delivered accurate and reliable as built data for the Kennedy Space Center to plan upgrades and reroute piping. ‍ CHALLENGE: The client needed fast and accurate as built documentation of the project areas so they could effectively plan upgrades and piping routes and note any clash points. Understanding exactly where the mechanical room equipment was located below the launch pad surface was crucial to this project and difficult to determine using a method other than 3D laser scanning. ‍ SOLUTION: The GPRS Mapping & Modeling Team delivered an LOD 300 3D BIM model of the structural and MEP details. Accurate information helped the client plan for the equipment and piping and determine the vertical penetration points. This saved time and money by prefabricating the piping offsite and minimizing rework from misaligned pipes and equipment.

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3D Laser Scanning

GPRS was awarded the utility locating and mapping phase of the PIA Terminal Phase I Modernization project for Pittsburgh International Airport. GPRS helped execute 100% subsurface damage prevention planning by mapping all the subsurface infrastructure prior to groundwork. The drawings for the project were completed in CAD and overlaid onto the existing as builts.

GPRS helped execute 100% subsurface damage prevention planning by mapping all the subsurface infrastructure prior to groundwork. The drawings for the project were completed in CAD and overlaid onto the existing as builts.

Pittsburgh International Airport – Pittsburgh, Pennsylvania Terminal Modernization Project Requires Subsurface Mapping ‍ TASK: GPRS was awarded the utility locating and mapping phase of the PIA Terminal Phase I Modernization project for Pittsburgh International Airport. GPRS helped execute 100% subsurface damage prevention planning by mapping all the subsurface infrastructure prior to groundwork. The drawings for the project were completed in CAD and overlaid onto the existing as builts. ‍ CHALLENGE: The airport’s architects and engineers required accurate underground infrastructure and feature locations and measurements for project planning. ‍ SOLUTION: GPRS located known and unknown utilities, tunnels, duct banks, and other subsurface features to update the airport’s as builts and record drawings. Data was collected with GIS instrumentation to ensure accurate mapping. ‍

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General SOQ

GPRS provided 3D laser scanning services for John Glenn International Airport in Columbus, Ohio. The client was upgrading the existing airport entrance. Renovations included the installation of a prefabricated ceiling panel system and new doors. The primary objective of the laser scan was to capture the ground, curbs, ceiling beams, and related structural features to design and prefabricate the upgrades.

GPRS provided 3D laser scanning services for John Glenn International Airport in Columbus, Ohio. The client was upgrading the existing airport entrance. Renovations included the installation of a prefabricated ceiling panel system and new doors. ‍

John Glenn International Airport – Columbus, Ohio Airport Entrance Upgrades Requires 3D Laser Scanning ‍ TASK: GPRS provided 3D laser scanning services for John Glenn International Airport in Columbus, Ohio. The client was upgrading the existing airport entrance. Renovations included the installation of a prefabricated ceiling panel system and new doors. The primary objective of the laser scan was to capture the ground, curbs, ceiling beams, and related structural features to design and prefabricate the upgrades. ‍ CHALLENGE: The client had a 60-day window to complete renovations, and no in-house engineers. The airport entrance did not match the architectural drawing; the ceiling structure was sloped where the drawings showed it level, and differing beam heights and widths between two levels of the airport created additional challenges. They needed accurate as builts to tie the upgrades to the existing structure and align with the camber of the structure. The client also had to deliver precise measurements to the ceiling panel system prefabricator and to provide the builders of the custom doors precise measurements on entryways. This would minimize any assumptions that could lead to field changes and schedule delays during construction. ‍ SOLUTION: The airport, which serves 7 million annual travelers, needed to remain in operation with little to no interruption of services. So, 3D laser scanning was completed at night during low passenger activity periods, so the airport could remain in operation. The GPRS Mapping & Modeling Team worked closely with the client to create maps and models to expedite components and minimize inaccuracies. 2D CAD drawings, and a 3D BIM model were delivered, which eliminated field adjustments and delays during renovations. The laser scan data also helped the client to plan how the new entrance would tie into the existing entrance, while taking into account all of the field variables.

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3D Laser Scanning

GPRS provided laser scanning services for the Arena Theatre in Houston, Texas. The client desired to replace the current seating and did not have accurate drawings. The primary objective was to capture the existing dimensions of the seating, ramps, stairs, floor and stage area. The client requested the raw scan data to design the new layout of the seats.

GPRS provided laser scanning services for the Arena Theatre in Houston, Texas, where the client desired to replace the current seating.

Meta Title: Laser Scanning to Design Seating in Arena Theatre Meta Description: GPRS provided laser scanning services for the Arena Theatre in Houston, Texas, where the client desired to replace the current seating. Header: Case Study: Laser Scanning to Design Seating in Arena Theatre Alt Tag: A 3D laser scanner sitting inside a theater. Caption: GPRS provided laser scanning services for the Arena Theatre in Houston, Texas. Alt Tag: Theater seating. Caption: The primary objective was to capture the existing dimensions of the seating, ramps, stairs, floor, and stage area. Alt Tag: A 3D laser scanner in a dark theater. Caption: Using the Leica HDS7000 Ultra-High-Speed Laser Scanner with Extended Range, the GPRS Project Manager captured the existing conditions and delivered point cloud data to the client. Alt Tag: Theater steps. Caption: GPRS provided the highest quality laser scan data in the shortest period of time. Location: Houston, Texas Task: GPRS provided laser scanning services for the Arena Theatre in Houston, Texas. The client desired to replace the current seating and did not have accurate drawings. The primary objective was to capture the existing dimensions of the seating, ramps, stairs, floor and stage area. The client requested the raw scan data to design the new layout of the seats. Challenge: The client has a remote laser scanner; however, due to inclement weather, could not make the flight to Houston. With a full concert schedule and a limited window of opportunity to laser scan, the client contacted GPRS to handle this project for them. Solutions: Since GPRS offers nationwide service, a Project Manager (PM) quickly mobilized to the site to perform laser scanning. Using the Leica HDS7000 Ultra-High-Speed Laser Scanner with Extended Range, the PM captured the existing conditions and delivered point cloud data to the client the next day. Deliverables: GPRS delivered raw scan data (.zfs files) to the client. No registration was required for this project. Added Value: GPRS worked quickly to provide laser scan data to the client, allowing them to begin designing the new seating for the Arena Theatre. The client trusted GPRS to provide the highest quality laser scan data in the shortest period of time. GPRS Intelligently Visualizes The Built World® to keep your projects on time, on budget, and safe. What can we help you visualize? Click below to schedule a service or request a quote today!

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3D Laser Scanning

GPRS' elite customer service, visualization tools and technologies, and SiteMap® infrastructure management platform allowed us to create a comprehensive above and below-ground full site scan, available to the client at the touch of a button in SiteMap® for their operations, maintenance, and planning needs.

GPRS Located, marked, and mapped all utility and sewer lines at the manufacturing facility, and provide comprehensive infrastructure data management for O&M purposes.

GPRS Located, marked, and mapped all utility and sewer lines at manufacturing facility, and provide comprehensive infrastructure data management for O&M purposes.

GPRS Located, marked, and mapped all utility and sewer lines at Manufacturing Facility, and provide comprehensive infrastructure data management for O&M purposes. The manufacturing facility needed a permanent record of their 60-acre facility’s buried infrastructureData needed to be secure, yet easily accessible for facility manager and their teamPerdue previously spent $100,000 on a full site scan, but the contractor left them with only the field markings and hand-drawn utility maps The manufacturing facility was familiar with GPRS’ capabilities, having previously hired us for utility locatesExisting relationship between the two companies led to the manufacturing facility hiring GPRS to locate and map the entire facility’s buried infrastructure, and conduct drone flyovers of the siteThis accurate, field-verified data was uploaded into SiteMap® Pro, where the manufacturing facility has 24/7, secure access The facility had secure, 24/7 access to accurate, field-verified infrastructure data that they can use for future O&MGPRS and the facility entered into a SiteMap® Pro agreement, where Perdue will pay a subscription fee to continue to have access to their infrastructure data

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General SOQ

GPRS paired specialized equipment with our industry-leading sewer pipe inspection process to locate a sewer line hidden 40 feet below the campus of the 124-year-old Carnegie Mellon University and ensure the safe installation of a foundation for a new building.

GPRS paired specialized equipment with our industry-leading sewer pipe inspection process to locate a sewer line hidden 40 feet below the campus of the 124-year-old Carnegie Mellon University and ensure the safe installation of a foundation for a new building.

A GPRS Case Study: Protecting College Campus’ Wastewater Infrastructure During Excavation Highlights: The Big Idea GPRS paired specialized equipment with our industry-leading sewer pipe inspection process to locate a sewer line hidden 40 feet below the campus of the 124-year-old Carnegie Mellon University and ensure the safe installation of a foundation for a new building. Problem • Existing as-built documentation indicated that a sewer line ran through the planned location for the new building’s foundation, but the contractor had not been able to locate the line themselves • The sondes (instrument probes) built into GPRS’ sewer inspection rovers can only locate sewer lines up to 15 feet deep • Due to the hilly conditions on campus, the sewer line was presumed to be located deeper than normal Solution • GPRS Project Manager deployed a Prototek Durasonde ‘super sonde’ Transmitter, which is locatable in nonmetallic pipes over 50 feet in depth • Sewer pipe was located, and location and depth were marked on the surface using spray paint, so project team knew where they could and could not dig • Data was uploaded into SiteMap® to document sewer line’s location for future O&M purposes Benefits • GPRS helped prevent subsurface damage that could have otherwise derailed the project and led to service interruptions • Documentation of the line’s location and depth in SiteMap® will streamline future O&M

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General SOQ

Complete subsurface mapping and millimeter-accurate aboveground measurements for a top-down, 360° visualization of a hospital wing and parking area to support a hospital expansion.

The addition is designed to occupy an existing parking lot for hospital employees, patients, and visitors. GPRS performed utility locating, video pipe inspection, and 3D laser scanning to create a comprehensive map and 3D model of the medical center’s infrastructure, both above and below ground.

TASK: Complete subsurface mapping and millimeter-accurate aboveground measurements for a top-down, 360° visualization of a hospital wing and parking area to support a hospital expansion. PROJECT APPLICATION: Rudolph Libbe, a longtime GPRS client and partner, oversaw the construction on the expansion of a northwest Ohio medical center. The addition is designed to occupy an existing parking lot for hospital employees, patients, and visitors. GPRS performed utility locating, video pipe inspection, and 3D laser scanning to create a comprehensive map and 3D model of the medical center’s infrastructure, both above and below ground. PROBLEM SOLUTION BENEFITS n Rudolph Libbe received millimeteraccurate laser scan data and an integrated 3D BIM model to precisely design and plan the building addition during preconstruction. n Non-destructive utility-locate methods reduced the number of unknown utilities and obstructions for the design and construction teams. n GPRS’ as builts allowed Rudolph Libbe to plan the new foundation and identify areas where further investigation would be warranted to prevent design and utility clashes. n With comprehensive field services provided by GPRS, Rudolph Libbe saved time and money on change orders, and eliminated subsurface damage during the construction process. With parts of the medical center’s campus dating back to the mid- 1800s, inaccurate as built data and unknown subsurface obstructions could jeopardize construction planning. n It was imperative that the proposed locations of the structural foundation and planned utilities coordinated with the existing conditions. n Rudolph Libbe desired 3D as builts to plan and complete the building addition, such as structural and utility tie-in information. n Traditional exploration methods typically include “soft” excavation methods over the entire building footprint. This option is expensive, time consuming, and requires tremendous coordination. GPRS utilized ground penetrating radar (GPR) and electromagnetic (EM) locating to map the hospital’s utilities. n Video pipe inspection (VPI) recorded the precise location and condition of the facility’s sewer lines, detailed in a NASSCO-certified report. n 3D laser scanning documented as built site data and utility maps to create 2D CAD drawings and a 3D BIM model for virtual design and construction. n GPRS participated in coordination meetings with construction and design team members. NO ONE HAS GONE TO THIS EXTENT TO MAP A SITE ABOVE AND BELOW GROUND. IT WAS IMPERATIVE THAT RUDOLPH LIBBE HAD ACCURATE AS BUILT SITE DATA AND UTILITY MAPS WITH CRITICAL STRUCTURAL AND UTILITY TIE-IN INFORMATION.” JAIME ALTHAUSER | FIELD SUPPORT DIRECTOR, GPRS

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3D Laser Scanning

A Revit model will expedite design changes and fabrication of equipment to increase production capacity at the manufacturing plant.

3D laser scan a manufacturing facility that is receiving upgrades to three of its lines to capture point cloud data and generate a 3D Revit Model.

A specialty compound manufacturer was upgrading three manufacturing lines at its plant as part of a larger capital improvement plan.

A specialty compound manufacturer was upgrading three manufacturing lines at its plant as part of a larger capital improvement plan.The facility was originally built in the 1980's and has expanded several times over the years.Multiple levels in the facility needed scanned at a very high level of detail, capturing structural, architectural, MEP and civil elements, along with a site plan.The following areas required 3D laser scanning services:On the ground production level, GPRS captured extruder areas for lines 1-3 and process equipment.On the mezzanine level, GPRS captured mixers for each extrusion line.On the second floor, GPRS captured blender areas for lines 1-3, process equipment, air handling equipment, and additional rooms.Outside, GPRS captured the tank farm and silo farm. GPRS provides 3D laser scanning services for facility upgrades and expansions, delivering 2-4mm accurate dimensions of building infrastructure: structural, mechanical, electrical and plumbing features; furnaces, equipment, conduit and piping. With an accurate, comprehensive data set, plant engineers can install new equipment and upgrade the three manufacturing lines. The facility was 3D laser scanned on the weekend to minimize interruption to the manufacturing lines.73 scans were performed in one day with the Leica P40 ScanStation and the Leica RTC360 laser scanner, acquiring very high detail of the plant.Colorized point cloud, TruView Viewer files, and a Revit model were delivered to the client. 3D laser scanning and a Revit model will expedite design changes and fabrication of equipment to increase production capacity.The investment of laser scanning will reduce the project timeline, minimize downtime and change orders -- providing cost savings for the client.This client is pioneering innovation in its industry -- upgrading the lines with updated extruders will increase capacity for long-term growth while minimizing stoppages, set-up times, and scrap material.

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3D Laser Scanning

GPRS’ detailed 2D CAD drawings and 3D BIM model allow for safe cutting, coring & drilling for building-wide MEP and HVAC installations.

GPRS located and marked the full post-tension cable system layout for 12 floors of a 49-floor building, with approximately 12,500 sq. ft. of concrete on each floor. After concrete scanning was completed with ground penetrating radar technology, GPRS 3D laser scanned each floor to produce 2D CAD drawings and a 3D BIM model for virtual design and construction. The architect received a permanent record of the post-tension cable layout to complete fit and finish design plans for the building.

Mapping the PT cable layout in concrete slabs facilitates design and minimizes the risk of injuries and delays.

GPRS’ detailed 2D CAD drawings and 3D BIM model allow for safe cutting, coring & drilling for building-wide MEP and HVAC installations. Construction Concrete Scanning, 3D Laser Scanning & 3D BIM Modeling Concrete scanning services will locate critical targets like post tension cables, rebar, conduits, voids, and more to help keep your project on time, on budget, and safe. 3D laser scanning captures concrete markings with 2-4mm accuracy for GPRS to transform into custom 2D CAD drawings and 3D BIM models. GPRS located and marked the full post-tension cable system layout for 12 floors of a 49-floor building, with approximately 12,500 sq. ft. of concrete on each floor. After concrete scanning was completed with ground penetrating radar technology, GPRS 3D laser scanned each floor to produce 2D CAD drawings and a 3D BIM model for virtual design and construction. The architect received a permanent record of the post-tension cable layout to complete fit and finish design plans for the building. Post-tension cable location, spacing, and depth are determined by an engineer, are specific to each project, and must be traced in short distances to reveal the slope. Each tendon pulls 24,000 to 33,000 lbs. of pressure. Damaging a cable when cutting, coring, or drilling into a slab can cause a tendon to burst with enough force to cause severe injury or death, and impact the structural integrity of the slab. Replacing a single post-tension cable costs $10,000 - $20,000. Experienced Project Managers used ground penetrating radar (GPR) technology to locate and mark the precise details of each concrete reinforcement, documenting the location, number of cables, and depth directly on the slab and ceiling. After the post-tension layout was complete, each floor was 3D laser scanned to capture the field markings. That data was used to create a virtual tour, 2D CAD drawings (PT site layout and floor contours,) and a complete 3D BIM model of the site. The captured point cloud data was aligned to survey control, then to the client’s design model, further ensuring the accuracy of the data. GPRS has a verified 99.8% accuracy rate for concrete scanning, backed by our Green Box Guarantee. Laser scanning is accurate within 2-4mm. An accurate layout of post-tension cables protects tendons from damage, prevents injury and mistakes, and protects the integrity of the building. 2D plan sheets and a 2D floor contour map documenting the actual floor elevation added even more accuracy to the depth of cover that is field marked. The 3D BIM model provided the architect data to plan fit and finish designs and coordinate with contractors and MEP trades before build-out.

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3D Laser Scanning

A BIM model allowed the architect to plan precise renovations to the stadium’s layout, from design changes and material selection, to cost estimation and construction phasing, with ease.

GPRS 3D Laser Scanning Services delivered as-builts and a 3D BIM model to Florida State University for a $255-million-dollar renovation project to update Doak Campbell Stadium with a number of new, modern seating experiences, including founder’s boxes, and a field level club.

An architect requested an ArchiCAD BIM model of a college football stadium to create renovation construction documents.

BIM Model Aids Design Renovations for Stadium A BIM model provided the stadium owners a better understanding of the design updates. Tallahassee, Florida Task: An architect requested an ArchiCAD BIM model of a college football stadium to create renovation construction documents. Problem: A vast amount of space required as-built documentation, over 600,000 sq. ft. needed 3D laser scanned and modeled. The renovation changes were complex. A BIM model was needed to provide the stadium owners a better understanding of the architecture and design updates. Our client needed a single source of data, where all architects on the team could see the latest design and document their changes. Solution: The exterior and interior of the stadium were 3D laser scanned with 2-4 millimeter precision, including three concourse levels, stadium seating, and suites. TruePoint delivered an intensity map point cloud, TruView viewer files, and a Revit 2021 3D model of the stadium. Working from precise details in the 3D model, renovations can be designed right the first time, saving time and costly change orders. Benefits: The architect utilizes the Building Information Modeling (BIM) process to provide their clients a better understanding of the complexities of architecture and design. Technical construction drawings (floor plan views, elevation views, cross-sections, iso-metric representations, etc.) can be effortlessly created from the 3D BIM model and shared with all disciplines. A BIM model allows architects to plan precise renovations, from design changes and material selection, to cost estimation and construction phasing.

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3D Laser Scanning

The customer received 99.8%+ accurate utility locating data and CAD map overlays for seven locations across four states in less than a month to coordinate collaboration on design & construction.

Conduct full site utility locates for seven compression stations located in four states and deliver CAD files containing subsurface infrastructure data to the customer.

The customer received 99.8%+ accurate utility locating data and CAD map overlays for seven locations across four states in less than a month to coordinate collaboration on design & construction

UTILITY LOCATING SUPPORTS MULTI-STATE COMPRESSOR STATION UPGRADES TASK: Conduct full site utility locates for seven compression stations located in four states and deliver CAD files containing subsurface infrastructure data to EN Engineering & Enbridge PROJECT APPLICATION: Provide subsurface data to help the client prepare design, geotechnical work, and construction execution for 142 acres of compression station locations in multiple U.S. states Enbridge required comprehensive subsurface utility & infrastructure mapping data for seven compression stations in Ohio, Kentucky, Indiana, and Mississippi n Utilities located at compression facilities are complex and condensed, requiring precise and accurate measurements n Daylighting or potholing to identify utility lines posed additional risk for Enbridge due to the proximity of buried gas pipelines, so it was vital to utilize non-destructive testing & imaging (NDT) n The projects required an expedited turnaround time from field work to CAD delivery PROBLEM SOLUTION BENEFITS THE BOTTOM LINE: Enbridge received 99.8%+ accurate utility locating data and CAD map overlays for seven locations across four states in less than a month to coordinate collaboration on design & construction GPRS Project Managers visited all seven locations to provide SIM-supported utility assessment and mapping n Electromagnetic (EM) locators were initially used, complemented by ground penetrating radar (GPR) deployed in a 5 ft. x 10 ft. grid pattern to capture every underground feature, including depths n GPS/GNSS Geodes were utilized to geolocate and upload precise geographical data to SW Maps & SiteMap® n GPRS’ Mapping & Modeling Team exported the geolocated utility data to create precise CAD satellite image overlays of all underground utilities which were also delivered via SiteMap Thanks to SIM (Subsurface Investigation Methodology) Enbridge was assured that each site would have the same level of precision mapping & measuring, regardless of location n GPRS’ national footprint and 500-strong elite team of SIM-certified Project Managers allowed for easy multi-state coordination and rapid response n In-house mapping & modeling provided by GPRS provided all necessary data to meet Enbridge’s one-month timeframe n SiteMap® allowed Enbridge to have secure, shareable 24/7 access to their utility data via the desktop and/ or SiteMap® Mobile App as a single source of truth for all team members Gas line crossing under an aboveground gas line, located via electromagnetic CAD satellite map overlay created by GPRS’ in-house Mapping & Modeling Team (EM) locating

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General SOQ

By involving laser scanning on the front end of the project the client will pay for the laser scanning services by reduced change orders, rework, and associated delays by having all of the necessary information upfront.

GPRS 3D laser scanning services provide 2-4mm accurate existing conditions site documentation for efficient planning, design, and construction. Once the site was laser scanned, the GPRS Mapping & Modeling Team created a geometrically accurate 3D building information model (BIM) model of the site.

GPRS was asked to use 3D laser scanning to help develop as-built drawings, plans, and specifications necessary for construction space planning, and furniture placement.

By involving laser scanning on the front end of the project the client will pay for the laser scanning services by reduced change orders, rework, and associated delays by having all of the necessary information upfront. INDUSTRY Office & Commercial Buildings SERVICE 3D Laser Scanning & 3D BIM Modeling ASK 3D laser scan 350,000 sq. ft of office space at the Carnival Cruise Lines Corporate Headquarters in Miami, Florida to develop a LOD 200 Revit model showing basic architectural features, including walls, doors, windows, and ceilings to begin construction renovation space planning and plot furniture placement. PROJECT APPLICATION Behind every successful renovation project lies detailed design plans, budget and timeline estimates, and an expert construction team. Laser scanning allows design and construction teams to understand exactly what’s in an existing space by providing millimeter-accurate as-builts. TASK GPRS 3D laser scanning services provide 2-4mm accurate existing conditions site documentation for efficient planning, design, and construction. Once the site was laser scanned, the GPRS Mapping & Modeling Team created a geometrically accurate 3D building information model (BIM) model of the site. PROBLEM • Carnival Cruise Lines plans to redesign existing office workspace in the Miami, Florida headquarters. • The company seeks to develop a workspace that is aligned with core organizational values such as collaboration, transparency, diversity, and inclusion. • A strict deadline required a rapid capture of as-built information. • Secondary goals include improved building efficiencies and modernization of the space to meet the needs of current and future employees. SOLUTION • Laser scanning provided accurate and detailed information, plus the ability to quickly create a 3D BIM model. Manually pulling hand measurements would prove hugely inefficient in a space of this size. • After laser scanning the North and South Tower, GPRS produced a LOD 200 Revit model showing basic architectural features (walls, doors, windows, and ceilings) of the entire area. BENEFITS • GPRS provided a LOD 200 Revit model that can be used along with the 3D JetStream viewer files as a means of showcasing the existing conditions to their client throughout the duration of their project. • By involving laser scanning on the front end of the project the client will pay for the laser scanning services by reduced change orders, rework and associated delays by having all of the necessary information upfront.

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3D Laser Scanning

The data GPRS collects can be used to develop the utility portion of a conceptual site model (CSM) to visualize migration routes, communicate with stakeholders, make informed remediation decisions, and protect the team on site and the environment.

A gas station requested utility locate and as built data to document the existing conditions for site upgrades and to develop an emergency response plan for potential leaks. Accurate 2D utility locate maps, a 3D BIM model, and a conceptual site model (CSM) were created of the gas station, underground storage tank system, and surrounding utilities.

A Michigan gas station requested utility locate and as built data to document the existing conditions for site upgrades and to develop an emergency response plan for potential leaks.

Task: A gas station requested utility locate and as built data to document the existing conditions for site upgrades and to develop an emergency response plan for potential leaks. Accurate 2D utility locate maps, a 3D BIM model, and a conceptual site model (CSM) were created of the gas station, underground storage tank system, and surrounding utilities. Problem: The gas station lacked as built site information required for compliance with environmental regulations, essential to plan for site upgrades, and necessary to take prompt corrective action in the case of an emergency. The client did not have an accurate conceptual site model (CSM) to understand and interpret contaminant fate and transport in the subsurface. Solution: GPRS Project Managers used state-of-the art equipment to perform ground penetrating radar (GPR), electromagnetic (EM) locating, video pipe inspection (VPI), leak detection, 3D laser scanning, and drone photogrammetry services at the gas station. The GPRS Mapping & Modeling Team delivered accurate as built and utility location data in point cloud, 2D maps, 3D BIM model formats, to help eliminate guesswork from decision making, and prevent time-consuming and dangerous mistakes and the costs associated with them. The gas station received access to millimeter-accurate information to efficiently plan work and drill safely. Locating underground storage tanks, including their depths, can help the station owner detect unusual fluctuations in fuel levels and assess any potential leak faster. Detailed site maps can help to communicate the location of a leak, the most likely paths and extent of horizontal and vertical delineation, and to plan assessment and mitigation efforts. Benefits: Infrastructure location and mapping are vital before conducting any construction or subsurface work like soil boring, or coring concrete to drop vapor pins – to eliminate clashes and utility strikes and keep workers and the community safe. Comprehensive site data is essential for the early detection and management of petroleum leaks at a gas station, to help minimize environmental damage and ensure the safety of employees and the surrounding community. GPRS as built maps and models provide accurate information to avoid hitting a UST or system component, and to avoid a utility strike when sampling soil. The GPRS SiteMap® mobile app securely stores utility data, geolocated and layered, and securely accessible for the station stakeholders to share with those who may need it. The data GPRS collects can also be used to develop the utility portion of a conceptual site model (CSM) to visualize migration routes, communicate with stakeholders, make informed remediation decisions, and protect the team on site and the environment.

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3D Laser Scanning

When plant engineers at a pet food packaging facility needed to make modifications, they asked GPRS 3D Laser Scanning to provide as built documentation and a 3D model to plan retrofits to the existing structure. The project site consisted of 140,000 sq. ft. of interior space. Approximately 100,000 sq. ft. of this was single-story warehouse space, consisting of a central palletizer, semi- truck loading bays and temporary material storage. The remaining 40,000 sq. ft. contained 7 levels of elevated platforms containing product packaging equipment. TruePoint captured all architectural and structural features, equipment, conduit and piping.

Transforming a pet food facility with GPRS 3D Laser Scanning. Detailed documentation & 3D models streamline retrofit planning. Covering 140k sq.ft., including warehouses & elevated platforms.

CASE STUDY LOCATION Bowling Green, Kentucky TASK: When plant engineers at a pet food packaging facility needed to make modifications, they asked TruePoint Laser Scanning to provide as built documentation and a 3D model to plan retrofits to the existing structure. The project site consisted of 140,000 sq. ft. of interior space. Approximately 100,000 sq. ft. of this was single-story warehouse space, consisting of a central palletizer, semi- truck loading bays and temporary material storage. The remaining 40,000 sq. ft. contained 7 levels of elevated platforms containing product packaging equipment. TruePoint captured all architectural and structural features, equipment, conduit and piping. PROBLEM SOLUTION BENEFITS n By using laser scanning instead of traditional survey methods, TruePoint saved this client thousands of dollars in field survey work and drafting time, and provided greater detail than what would have otherwise been possible. With an accurate, comprehensive data set, plant engineers were able to complete virtual interference checks, avoiding design rework costs. n In two days on site, TruePoint’s experienced project managers 3D scanned the 140,000 sq. ft. area with millimeter accuracy. 523 scans were taken with the Leica P50 and RTC 360 laser scanners. This project was scanned on the weekend to avoid disruption to production. n After proper data registration, TruePoint’s in-house modeling team built an information-rich 3D BIM model for the client. TruePoint’s experienced team has optimized workflows for importing data, registration, creating deliverables, quality checks and transferring data to clients. n No as built plans existed for the facility. The plant was complex, capturing the existing spatial data of the conduit and piping in a high level of detail was important to the plant engineers. n There were silos and other pieces of large equipment that would be difficult to measure precisely using traditional or manual measuring techniques. /// GPRS LASER SCANNING SERVICES ///// 3D LASER SCANNING CASE STUDY: USING 3D LASER SCANNING FOR FACILITY DESIGN MODIFICATIONS “IT’S HARD FOR ME TO IMAGINE HOW THIS PET FOOD PACKAGING FACILITY COULD HAVE BEEN DOCUMENTED WITHOUT 3D LASER SCANNING.” TRUEPOINT PROJECT MANAGER

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GPRS’ use of Subsurface Investigation Methodology paired with the high-speed GPR array provided the most precise subsurface utility infrastructure mapping available, found 171 lines in 55 minutes, and completed the job without disrupting traffic flow.

Accurately map the entire subsurface utility infrastructure of 0.6 miles of three-lane, high-speed road in the city of Charlotte, North Carolina

GPRS used Subsurface Investigation Methodology with a high-speed GPR array to map utility infrastructure, finding 171 lines in 55 minutes and completed the job without disrupting traffic flow.

UTILITY LOCATING: CASE STUDY In Pursuit of Subsurface Damage Prevention TM n GPRS collected all the over-road data in 55 minutes to capture 171 utility lines and other features n By supporting the high-speed array with SIM, GPRS was able to locate, identify, track, and log far more utilities than could have been found by the GPR array only n Condor Osprey software produced a comprehensive TIF file that offers data portability to ESRI, ArcGIS, CAD, QGIS, Google Earth & SW Maps, among others n GPRS’ precise depth work found two 10-foot tunnels buried 11 feet under the surface that did not appear on existing as-builts n Data collection had to be done without disrupting traffic with lane closures, detours, or slow-downs n Data had to be complete and highly accurate with RTK positioning coordinates, and portable to various GIS systems n Although the high-speed array was accurate, it has limitations. To create a comprehensive map, complementary technologies & methods were required PROBLEM SOLUTION BENEFITS The Bottom Line: GPRS’ use of Subsurface Investigation Methodology paired with the high-speed GPR array provided the most precise subsurface utility infrastructure mapping available, found 171 lines in 55 minutes, and completed the job without disrupting traffic flow. SUPPORTING HIGH-SPEED GPR ARRAY WITH SUBSURFACE INVESTIGATION METHODOLOGY FOR COMPREHENSIVE UTILITY MAPPING IN CHARLOTTE, NORTH CAROLINA TASK: Accurately map the entire subsurface utility infrastructure of 0.6 miles of three-lane, high-speed road in the city of Charlotte, North Carolina n GPRS controlled array data quality in the field: found & filtered out poor GPS coordinates on site n GPRS’ Mapping & Modeling Team employed slicing, data filters, and soil velocity calibrations to the array data to ensure precise depths and extract 171 lines for mapping n Subsurface Investigation Methodology (SIM) compensated for the limitations of the array. SIM verified utility lines & types, and corrected inaccurate data with complementary technologies n The field team provided a full surface mark-out: tracked each line to a surface feature, uploaded the verified data with RTK positioning to SW Maps & SiteMap®, to provide data portability to ArcGIS, ESRI, et al. The tow behind has 18 channels of GPR, 8cm from one another. This is an example of OspreyView, displaying utilities from 1.8ft to 5ft in this intersection. The features are color coded based on depth. Yellow is nearer to the surface, green is around 3.5ft and the blues are towards 5ft in depth

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General SOQ

GPRS located, marked, and mapped a seven-acre site in a single day, supplying instant access to subsurface as-built data via SiteMap® to help Teichert Solar to avoid utility strikes, delays, and redesigns, adding efficiency and saving money.

Locate, mark, and map all utility and sewer lines at Gateway Seminary in Ontario, California prior to the construction of solar carports by Teichart Solar.

GPRS located, marked, and mapped a seven-acre site in a single day, supplying instant access to subsurface as-built data via SiteMap® to help Teichert Solar to avoid utility strikes, delays, and redesigns, adding efficiency and saving money.

Installing solar carports is a technically challenging project that requires careful engineering and a proper foundation to support the weight of the steel structure and solar panelsExcavation clearance was required before Teichart could core holes in the parking surface for concrete foundations to assure they didn’t strike subsurface utilities GPRS located and mapped the electric, communication, water, storm sewer, sanitary sewer, and irrigation lines: information necessary to plot and place the solar carport foundationsGPRS also identified any additional subsurface objects found such as concrete pads and USTsTeichert Solar was able to quickly access 99.8% accurate field- verified GPS-enabled CAD utility site maps in PDF, KMZ, and SHP file format via SiteMap®, GPRS’ cloud-based infrastructure visualization software In one day on site, three GPRS Project Managers used GPR technology and EM locators to mark the precise locations and deliver a CAD utility site plan showing the accurate vertical and horizontal positions of underground utility and sewer locationsUtility maps were easily shared via SiteMap® with the solar canopy subcontractors and engineers to collaborate on installation and avoid utility strikes

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Solar Case Studies

GPRS provided critical dimensional verification to ensure a flawless installation, reduce delays, clashes, and other unforeseen challenges for the project team

GPRS partnered with two renewable energy companies constructing an offshore wind farm to verify that the prefabricated components of several wind turbines met the specified design requirements

GPRS aids renewable energy projects with precise as-built data for design, construction, and maintenance. From solar panel installation to wind farm construction, we deliver accurate data for your project needs. 3D laser scanning captured complete and accurate dimensional information to verify that the prefabricated components were in tolerance for the design drawings Precast concrete foundations were laser scanned and a CAD comparison was performed to confirm that the dimensions matched the design planSubstation topside steel platforms were laser scanned to provide accurate as-built dimensions of all three levels and report the maximum outside diameter of the structure The Mapping & Modeling Team delivered 2D CAD drawings and a 3D BIM model, detailing the as-built dimensions and deviation between the design model and actual component 3D laser scanning captured complete and accurate dimensional information to verify that the prefabricated components were in tolerance for the design drawingsPrecast concrete foundations were laser scanned and a CAD comparison was performed to confirm that the dimensions matched the design planSubstation topside steel platforms were laser scanned to provide accurate as-built dimensions of all three levels and report the maximum outside diameter of the structureThe Mapping & Modeling Team delivered 2D CAD drawings and a 3D BIM model, detailing the as-built dimensions and deviation between the design model and actual component

The construction of a wind turbine required shipping prefabricated components on a vessel out to sea and using a crane to assemble Verification of the prefabricated component measurements within tolerance of the design drawings ensured a flawless installation Unique construction conditions meant there was no time to troubleshoot installation problems or add additional site visits and time at sea

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3D Laser Scanning

A GPRS Project Manager 3D laser scanned 4,000 s.f. of existing retail space to provide 2D CAD drawings, a 3D virtual tour, a colorized point cloud, and a 3D BIM model to a client who was renovating a 30-year-old location.

Capturing 4,000 s.f. of Retail Space for New Tenant's Redesign

GPRS 3D Laser Scanning Services provided 3D reality capture, 2D CAD drawings, point cloud, a 3D virtual tour, and BIM model to redesign a retail location for a new tenant in Austin, Texas.

An Austin-based maker of cowboy boots and western wear was moving retail locationsThe previous tenant had occupied the location for more than 30 years The new tenant desired 2D floor plans and a 3D BIM model for a virtual walkthrough of the propertyThe previous tenant still occupied the active storefront, so scanning had to be completed after hours to avoid business interruptions Utilizing a Leica P-Series laser scanner, the GPRS Project Manager completed 24 scans of the 4,000 s.f property in one eveningLaser scanning captured measurements and virtual tour data to help the new tenant plan the store layoutGPRS Mapping & Modeling Team provided the tenant with a colorized point cloud, architectural 2D floorplans, a 3D BIM model, and virtual tour of the property 3D laser scanning is the fastest way to capture existing building conditions, documenting every detail into a digital mapMeasurements and point cloud data is accurate within 2-4mm to allow for accurate 2D and 3D as-builts3D virtual walk throughs allow the tenant to view the site remotely to easily plan and implement floor layouts and merchandisingWhile the renovations were initially designed in Rhino, the client planned to export Rhino models into Revit for further refinement and documentation

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3D Laser Scanning

The 17,000 s.f. golf club, including pro shop, locker rooms, and restaurant areas were all 3D scanned in a single day with minimal operational interruption to provide 1/4" accurate structural & architectural models

GPRS 3D Laser Scanning provides existing conditions documentation to Vanderbilt University's Legends Golf Club

Vanderbilt Legends Golf Club renovations aimed for "elite facility" status, aided by GPRS 3D Laser Scanning and Mapping & Modeling Services

Vanderbilt University planned an expansion and renovations of its Legends Golf Club to propel it to "elite facility" statusThe architect on the project needed accurate existing conditions documentation to develop a design plan and solicit bids from construction companiesThe club management required that any work be completed with minimal operational interference GPRS 3D laser scanned the two-story, 17,000 s.f. clubhouse in one day with the Leica RTC360An intensity map point cloud file, 2D CAD drawings, and a Revit 3D model were all delivered to the architect via GPRS Mapping & Modeling TeamDocumenting architectural elements, such as the building envelope, walls, windows, doors, ceilings, exposed columns, beams, and posts with 2-4mm accuracy was critical to the renovation effort Capturing real-time existing conditions prior to designing the expansion & renovation reduced reworks, waste, and mistakesThe 1/4" accuracy provided by the architectural and structural model allowed for extremely detailed plans to be delivered to the contractorThe building renovations created a state-of-the-art facility for the team, the membership, and to aid in recruitment efforts

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3D Laser Scanning

Providing both a 3D BIM model and a 2D reflected ceiling plan allowed various trades and MEP professionals to work without disturbing each other's timelines, to finish the project with fewer mistakes, reworks, and less cost.

Use 3D laser scanning to create a BIM model for new construction coordination in Paoli, Pennsylvania.

GPRS provided a detailed Revit 3D BIM model and reflected ceiling plan to keep a large project on schedule and reduce clashes and reworks.

Only the building shell existed, but did include the foundation, structural skeleton, columns, beams, and fire suppression system pipingA BIM model was requested to complete the design, minimize clashes, and plan for field coordinationThe VDC engineer wanted each trade to be able to conduct their specific work without interference from other trades A 3D Revit model was created from the point cloud with standard detail that included architectural, structural, and MEP featuresA reflected ceiling plan, an architectural drawing that shows visible objects located on the ceiling of a space, was delivered for MEP coordination2D plans and 3D models allowed this client to complete the design, communicate the scope of work to each trade, and efficiently schedule work to be completed Model-based implementations are the foundation of our client’s VDC department. They plan site layout and work sequencing for efficient logistics and safety.Because the VDC engineer received an accurate as-built model to place all building components and MEP into, they were able to effectively plan and communicate to minimize trade interference, clashes, installation problems, rework, and additional costs

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3D Laser Scanning

Accurate 3D BIM modeling allowed the developer and two architectural firms to collaborate and more easily communicate with their general contractor, which saved time and money on a massive adaptive reuse project

$30 Million Hotel & Parking Garage Adaptive Reuse Project Required Accurate 3D Visualizations

Laser scanning to create a 3D BIM model of a 15-story hotel and adjacent parking garage for building redevelopment. The developer requested a 3D BIM model that accurately captured existing conditions in a cloud-based platform so they could document, view, and plan for structural renovationsWith a 3D model, the architectural team was able to view the existing conditions at the onset of the project. The model was then updated as construction progressed to keep all parties on the same page throughout the projectThe 3D model allowed the firms to communicate construction requirements to the general contractor to avoid miscommunications, reworks, delays, and cost overruns

$30 million-budgeted adaptive reuse project converting 130,000 sq. ft. hotel property into 100 residential units Most floors of the building were completely gutted: only the exterior envelope and interior circulation core remained intact With two architectural firms, a developer, and a G.C. meant that this project involved many professionals a lot of planning before breaking ground The developer requested a 3D BIM model that accurately captured existing conditions in a cloud-based platform so they could document, view, and plan for structural renovations With a 3D model, the architectural team was able to view the existing conditions at the onset of the project. The model was then updated as construction progressed to keep all parties on the same page throughout the project The 3D model allowed the firms to communicate construction requirements to the general contractor to avoid miscommunications, reworks, delays, and cost overruns The 3D model allowed the architectural team to troubleshoot the restoration and adaptation while keeping historic elements intact to preserve the building's characterDelivering the 3D BIM model in a digital format with the ability to update and edit, streamlined communication and collaboration across a large and diverse project team to bring the project in with fewer clashes, reworks, and mistakes, saving time and money

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3D Laser Scanning

292 individual interior and exterior LiDAR scans were completed in a single day, capturing existing conditions including all historical features, all without disrupting the historic site's operations or impacting its valuable contents so that a renovation could be designed and planned without requiring time consuming hand-measurements.

3D laser scanning a historic Massachusetts library to create a 3D BIM model.

GPRS 3D laser scanned a historic library in Amherst, Massachusetts and created an LOD 300 Revit model for the architect. The interior and exterior of the library was 3D scanned, this was an estimated 47,000 sq. ft. of space with 4 levels.

Built in 1919: there were no existing as-built details availableIt was likely that the existing condition of the building included unsquared architectural features The library’s historic features had to be preserved and intact during and post-renovation The library needed to remain open to patrons and conduct regular operations while visualization was completedPaintings of Emily Dickinson and Robert Frost, plus local historical exhibits, were contained in a gallery on site that needed to remain untouched Laser scanning was executed on Patriot’s Day, a Massachusetts state holiday. The library was closed so all scans could be completed without disrupting operations292 laser scans were completed of the interior and exterior of the library; approximately 47,000 sq. ft. of space spanning four levels An intensity map point cloud and 3D BIM model were delivered to the client, giving them accurate data of the current as-built conditions 3D scanning provided updated floor plans and captured existing conditions via a 3D BIM model to speed redesign and planningArchitects, designers, and contractors could access and utilize the BIM model and 3D laser scanning data at any stage of the restoration process for reference3D laser scanning is non-contact; scanning from a distance minimized the risk of damaging historical art work and exhibits and was completed in a single day on site

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3D Laser Scanning

After two sets inadequate sets of utility locates led to multiple dangerous and costly utility strikes, GPRS helped get the project back on schedule, accurately mapped all underground utilities, and provided data that allowed the installation to proceed with ZERO additional utility strikes.

Providing accurate subsurface existing condition documentation for the safe installation of new power utility lines via directional drilling.

Unreliable utility locates and a tight timeline required non-destructive existing condition capture and utility mapping for new power utilities being installed via directional drilling

Problem • Multiple utility line strikes caused damage to local residential areas, delays to the project, and additional expense • The public utility locates proved inadequate for the directional boring installers needs • A third-party locator hired after the initial strikes did not provide adequate locates, resulting in additional utility strikes and damages • A tight deadline and rigorous subsurface requirements required extensive project coordination Solution • Our rapid response deployment allowed a Project Manager to be on site immediately mediate year technolodies allowed for the capture of accurate eviatina underaround it locations and mappine • The utilization of Subsurface Investigation Methodology (SIM) and multiple complementary technologies allowed for the capture of accurate existing underground utility locations and mapping • GPRS' 99.8% + subsurface utility scanning accuracy provided accurate locates and utility maps prior to directional drilling Benefits • On Time: Due to our rapid response, the project continued moving forward, with no new utility strikes, which reduced downtime • On Budget: There were ZERO new damages to existing utilities as new power lines were installed, which greatly cut cost overruns • Safety: No new utility strikes meant that both the installers and the community remained safe • Reputation: The customer increased their productivity to remain in good standing for project renewals in the future

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Power Case Studies

Raw point cloud data provided an engineering firm in California the accurate measurements they needed to design and plan the expansion of a water treatment facility in Texas thanks to 3D laser scanning

Capture accurate existing conditions and provide raw as-built, point cloud data for the expansion of a water treatment plant

An engineering firm was generating construction drawings to expand an existing water treatment plant. The firm required accurate field conditions in raw point cloud data (.rcp files and related supporting files) to create new layouts for construction.

No as-built drawings existed for the water treatment plant. Accurate existing conditions were needed to plan for the facility expansion • Exact dimensions were required to plan modifications and fabricate pipe • The project's engineering firm was located in California; the water treatment plant was located in Texas. They needed accurate information available in a digital platform to begin design planning Solution • Using a Leica Scan Station, a GPRS Project Manager completed 40 laser scans of the building to capture architectural, structural, and MEP features • The client received a colorized point cloud in ReCap (.rcp files and related supporting files) and TruView files that allowed the engineering firm and the plant to coordinate off-site planning and prefabrication for the expansion Benefits Laser scanning is an extremely efficient and accurate way to gather data necessary to create construction drawings of a building or space. • 3D laser scanning eliminated the firm's travel to the Water Treatment Plant. In one day on site, enough scans were taken to create a complete colorized point cloud of the space. • 3D laser scan data provided the Engineering Firm critical tie points on tanks and lines, information that was crucial to the expansion.

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3D Laser Scanning

By entering into a partnership agreement with GPRS, Cable East received consistent pricing for hundreds of jobs in the Atlanta metro area, met their tight deadline for directional boring fiber line installation, and had ZERO utility strikes.

Clear the road and the ROW for fiber line installations throughout the ATL metro area

GPRS achieved 100% accuracy on private utility locates in the dense metro Atlanta underground infrastructure, which allowed for clean fiber line installs by Cable East.

The public utility locating service mismarked or misidentified multiple public utilities on the project site • The 811 One Call service located public utilities. Private utilities were left undiscovered • The deadlines for the project were tight, and quick turnaround times were required • The project was suffering budget overruns due to inconsistent private utility locator pricing Solution • Our SIM-certified Project Managers provided GPRS' consistent 99.8% + utility locating & mapping services • GPRS locates private utilities and can confirm locations for public utilities • Because we have over 500 Project Managers nationwide, our rapid response rates help turn projects quickly • Cable East & GPRS inked a partnership agreement that put an end to the client's inconsistent pricing issues Benefits • On Time: Due to our rapid response, we kept the project moving, reducing downtime • On Budget: There were no damages to utilities, and consistent partnership pricing, which kept the project on budget • Safety: Knowing the precise location of underground utilities reduced the risk of cross bores and kept everyone safer • Reputation: No strikes or delays means that our client's valuable reputation was protected • GPRS provided complimentary PDF and KMZ files as well as CAD drawings for precise underground utility mapping

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Telecom Case Studies

Tower Engineering Professionals partnered with GPRS for accurate and efficient utility locates at 54 telecom tower foundations throughout the U.S.

Tower Engineering Professionals partnered with GPRS for accurate and efficient utility locates at 54 telecom tower foundations throughout the U.S.

TEP needed to dig at the base of the foundations to validate existing anchors • A previous locate had misidentified some utility lines and left other utilities unmarked • Budget overruns were an issue due to inconsistent utility locator pricing Solution • Our nationwide team of 500 SIM-certified Project Managers located utilities and subsurface obstructions with 99.8%+ at each site • GPRS accurately identified unknown private utilities and verified public utilities onsite, to eliminate utility strikes for the project • Our national pricing and partnership agreements reduce unnecessary paperwork and logistics and keep prices consistent Benefits • On Time: Due to our rapid response, we kept the project moving, reducing downtime • On Budget: There were ZERO utility damages once GPRS was on the job, allowing the project to stay on budget • Safety: Knowing where utilities lie under the ground helped keep all workers safe • Reputation: No strikes or delays kept TEP's valuable reputation safe • GPRS provided complimentary PDF and KMZ files as well as CAD drawings of each tower foundation locate

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Telecom Case Studies

GPRS safely mapped multiple substation locations for utilities and mapped all underground infrastructure including the grounding grids with zero ground disturbance, providing clearance for safe excavation and construction for the customer without the risk or expense of potholing in a brownfield.

Provide accurate existing condition documentation, identify, and map existing utilities and the grounding grid for each brownfield substation prior to construction

GPRS provided accurate existing condition documentation, identify, and map existing utilities and the grounding grid for each brownfield substation prior to construction.

There were no accurate as-builts or records of prior utility findings for the brownfield substations • Team member safety was the paramount concern due to unknown subsurface infrastructure and the additional risk of brownfield excavation • The state-provided 811 public utility locating service did not locate private utilities on the substation sites • It was important to know the exact location of the grounding grids to avoid striking it and damaging the substation's electrical infrastructure Solution • GPRS provided comprehensive and accurate utility infrastructure maps and existing subsurface condition documentation • Private utilities were located and the location of public utilities were confirmed to provide accurate maps and dig clearances • Locating each grounding grid eliminated the risk of a strike that could damage substation electrical infrastructure and cause injury • There were ZERO utility or grounding grid strikes on the project Benefits • On Time: We kept the project moving with our rapid response, reducing downtime • On Budget: There was no damage to utilities, saving the client from expensive damage reparation costs • Safety: GPRS kept all team members safe by preventing dangerous utility or grounding grid strikes during excavation • Reputation: With no utility strikes on the project, the customer maintains their good reputation

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Power Case Studies

To pinpoint a one gallon per second leak that had been hidden for 11 months in the fire suppression system for Insite Real Estate at an historic Michigan RACER-administered PFAS site.

The fire suppression system at this previous GM plant and historic WWII bomber facility was losing a gallon per second for more than 11 months. GPRS pinpointed the leak, stopping the pressure loss and outflow of some 28 million gallons of water at the RACER site.

Problem • Insite Real Estate had been searching for the fast-running leak in the fire suppression system at their site for nearly a year • At one gallon per second, over 11 months, the leak caused as much as 28 million gallons of lost water on site, all of which Insite had to pay for • Multiple jockey pumps were constantly running to keep the system pressure at 150 psi, which increased the electric bill • The site is an historic WWll bomber manufacturing plant and former GM facility, which was under the care of the Revitalizing Auto Communities Environmental Response Trust and monitored for PFAS contaminants in the water supply Solution • GPRS Leak Detection Project Managers listened to every contact point (hydrant, piv, valve, meter pit, etc.) • The PMs concluded that the noise was predominately near two hydrants • Leak correlation pinpointed the leak to the pipe running under/on the sidewalk • Once the leak was pinpointed, Insite could have it repaired efficiently and minimize risk Benefits • Insite was able to excavate only where the leak was located, instead of digging up the entire fire loop or a certain section of the pipe in a potentially risky environment • By pinpointing their excavation, Insite was able to repair the leak and stem the outflow of both water and money it had caused

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General SOQ

GPRS provided the accurate concrete scans and field markings that allowed Turner to cut and core at hundreds of locations in the facility with ZERO hits, keeping the project on time, on budget, and safe.

GPRS provided Turner Construction the concrete reinforcement infrastructure data it needed to remove concrete as part of a large tenant improvement project, requiring extensive concrete infrastructure changes at the Denver Center for the Performing Arts.

GPRS provided the concrete reinforcement infrastructure data it needed to remove concrete as part of a large tenant improvement project, requiring extensive concrete infrastructure changes at the Denver Center for the Performing Arts.

Due to the building's age and the amount of concrete removal required from walls and floors, it was critical to avoid striking existing reinforcements within the concrete in areas that were not being removed • During construction, damage to the existing infrastructure within concrete slabs, walls, and under slabs was a significant safety concern for the owner and the Turner team • The project required tight deadlines and extensive project coordination Solution • There were ZERO strikes of existing concrete reinforcements during the project, keeping the structure and the crews safe, and the project on time and on budget • GPRS Project Managers train in a world-class facility with thousands of square feet of concrete slab as part of their SIM certification, which gives them the experience required to scan the most complex subsurface infrastructures and is the backbone of our 99.8%+ accuracy rate • The repeatable methodologies of SIM make our Project Managers more efficient and allow them to scan dozens of locations in a day Benefits • On Time: Due to our rapid response, we kept the project moving, reducing downtime • On Budget: There was no concrete damage allowing the project to stay on budget • Safety: Protecting post tension cables and structural steel from damage helped keep all workers safe • Reputation: No strikes or delays meant that the client's valuable reputation was protected

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General SOQ

GPRS pinpointed the defect in the storm sewer line that was allowing for inflow of contaminated groundwater so that the system manager could repair it and stem the flow of contaminants at the outflow point, to protect the waterway, the environment, and public health

Pinpoint the source of contaminated groundwater infiltration so the customer could mitigate it before it reached the outfall point

GPRS pinpointed the defect in the storm sewer line that was allowing for inflow of contaminated groundwater so that the system manager could repair it and stem the flow of contaminated water at the outflow point, to protect the waterway, the environment, and public health.

The client requested us to locate and inspect the storm sewer system, including potential laterals at a site with known soil and groundwater contamination • There was no known existing condition documentation or maps of the storm sewer system or potential laterals • The client identified higher contaminant concentrations at the storm sewer outfall than at upstream catch basins • An outfall is where a sewer line discharges into a body of water, so it is vital to the environment and public health to mitigate inflow contamination Solution • GPRS VPI services located and mapped all storm sewer lines, laterals, and flow direction to the outfall • We did this utilizing lateral launch cameras, robotic CCTV crawlers, and push cameras • We identified the area of groundwater intrusion into the storm sewer system, which assisted in determining which portion of the system needed to be repaired to stem the contaminant inflow before it reached the outfall Benefits • On Time: Due to our rapid response, we kept the project moving, reducing downtime • On Budget: GPRS protected the client's budget by preventing expensive and unnecessary excavations • Safety: GPRS provided accurate storm sewer locations and depths as well as the area the contaminated groundwater intrusion was identified. So the client was able to dig safely, repair the line, and eliminate the contaminated groundwater infiltration to eliminate risk to public health and the environment • Reputation: By preventing the client from using a trial-and-error approach, they can quickly deliver their results to their customers to alleviate concern and protect public health • GPRS provides complete NASSCO-certified Video Pipe Inspection Reports that provide video, photos, and reporting of each pipe defect discovered and its severity to help customers plan, repair, and better maintain their sanitary and storm sewer systems

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General SOQ

In less than two hours on site, GPRS 3D Laser Scanning captured all aboveground features and utility field markings that were then used to provide integrated above and below-ground plan view of the campus via 2D CAD drawings to plan HVAC upgrades, and have accurate existing condition documentation for future use

A Los Angeles, California high school required 3D laser scanning of the above ground and below ground infrastructure to create 2D CAD drawings and plan for HVAC system upgrades throughout the campus

In less than two hours on site, GPRS 3D Laser Scanning captured all aboveground features and utility field markings that were then used to provide a integrated above and below-ground plan view of the campus via 2D CAD drawings to plan HVAC upgrades, and have accurate existing condition documentation for future use.

Problem • A 12-year-old high school was replacing the piping on 16 HVAC units throughout the campus. • The piping for these units runs intricately in and out of buildings, and through retaining walls and mechanical yards. • The areas that the pipes thread through do not have any as-builts or existing plans. Solution • Using the Leica RTC360 laser scanner, a Project Manager captured elements of the surrounding campus and GPR markings in less than hours on site • This project was laser scanned in full color, allowing the client to easily visualize and identify structural elements, pipes, conduits, and concrete reinforcement points inside the point cloud • CAD engineers created 2D AutoCAD floor plans and exterior elevations, PDFs with and without the point cloud overlayed Benefits • The combination of laser scanning structural and ground penetrating radar markings provided the client a high definition 3D comprehensive view of the campus, including both visible and invisible elements • With 3D laser scan data, the client can verify the HVAC mechanical equipment with confidence knowing high accuracy instruments minimize position error throughout the 3D space • The client has the most up-to date, accurate and comprehensive information to design HVAC upgrades

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3D Laser Scanning

The Famous Group was able to create a mixed reality experience that included an enormous virtual panther skulking through the stadium and onto the Jumbotron, delighting the 70,000 fans in attendance, thanks to the accurate scans, models, and meshes provided by GPRS

GPRS 3D laser scanned The Bank of America Stadium and the Gentle Giant panther statue for The Famous Group and the Carolina Panthers to create a mixed-reality experience for the home opening football game vs. the New York Jets

GPRS 3D laser scanned The Bank of America Stadium and the Gentle Giant panther statue for The Famous Group and the Carolina Panthers to create a mixed-reality experience for the home opening football game vs. the New York Jets. GPRS delivered a 3D mesh model to assist in the creation of this mixed-reality experience.

Problem • To sell the realism of mixed reality, computer-generated objects must precisely interact with the physical environment • As-built information and a 3D model of The Bank of America Stadium did not exist Solution • In 1 ½ days on site, using a Leica P40 ScanStation, point cloud data of the interior field, stadium bowl, seating, and upper rigging area was captured • To give the panther virtual objects to climb on and interact with, CAD technicians used the point cloud data to create a Revit 2021 LOD 200 3D model of the stadium • The Gentle Giant panther statue at the front of the stadium was 3D laser scanned to create a triangulated 3D mesh model in .fbx file format for the animation/CGI Benefits • 3D laser scanning is a fast and accurate way to digitize real-world objects for use in computer-aided design (CAD) and mixed reality • 3D models are created in our corporate office by experienced engineers and CAD technicians • The Famous Group was able to create a mixed reality experience that included an enormous virtual panther skulking through the stadium and onto the Jumbotron, delighting the 70,000 fans in attendance

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3D Laser Scanning

The client was able to fabricate components offsite and plan a flawless installation based on our existing condition data and 3D model. Plus, GPRS' work was conducted entirely at night, mitigating any disruption to construction

Field verification to prefabricate ACM panels

Our client was installing ACM panels to the canopy of a newly constructed airport terminal. The construction plans did not match the existing conditions at the site. A deviation could cause a major issue. The installation process needed to be precisely planned to avoid rework.

The construction plans did not match the existing conditions at the site. The installation process needed to be precisely planned to avoid rework • The shape of the canopy was complicated and stood 65 feet in the air. The client needed field verification and a plan to expedite proper installation of the panels • Installers were working overhead in a lift; there was no room for trial and error Solution • The Project Manager conducted a site walk to devise a plan for the client • The canopy and curtain wall of the airport terminal were 3D laser scanned to capture precise as-built data and generate a 3D model and 2D drawings to facilitate ACM panel installation • 22" x 34" 2D CAD drawings were created with the panel layout for the client to take to the field. This allowed each panel to be labeled with a custom number, cut and shim points Benefits • Laser scanning obtained exact measurements for the client and took away any guesswork from this project • To circumvent the active construction site, the Project Manager scanned the site at night to eliminate movement and trades working • The client was able to fabricate components offsite and plan a flawless installation

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3D Laser Scanning

In just one day on site, GPRS was able to capture the entire existing condition of the facility, even in dense pipe runs and hard-to-reach spaces, with 2-4mm accuracy to provide the client with an accurate 3D BIM model for planning, fabrication, and clash detection

An engineering firm needed to have existing conditions of a power plant documented and modeled to plan for renovations.

An engineering firm needed to have existing conditions of a power plant documented and modeled to plan for renovations.

Problem • The client needed to accurately document the existing conditions of the plant without interruptions to the power supply • Many of the pipe runs were dense and impossible to accurately measure by hand • The client required 2-4 mm accuracy of dense piping and pipe runs throughout the facility • The client needed to guarantee that installations complied with safety regulations Solution • In one day on site, GPRS' Project Manager used the Leica RTC360 laser scanner to capture 150 laser scans, documenting existing conditions of the facility • Many of the pipe runs were dense and impossible to accurately measure by hand • GPRS generated a 3D BIM model for use in CAD software, including all civil, structural, electrical, and mechanical features, piping, and conduit 1" and larger Benefits • Due to the vast space and density of the piping, it would have been much more difficult and time consuming to accurately depict the location of pipe runs, structural features, and other details in the plant manually • The point cloud data from laser scanning was used by CAD technicians to create an intelligent 3D BIM model for planning, fabrication and clash detection • Verified measurements and virtual planning guarantee installations will comply with safety regulations • Using virtual 3D models, the firm can plan and model future developments to manage the facility without having to re-enter the site

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3D Laser Scanning