A GPRS Case Study

3D Laser Scanning Michigan Power Plant

3D Laser Scanning Michigan Power Plant

Highlights

THE BIG IDEA

INDUSTRY

Power Generation

SERVICE

3D Laser Scanning Mapping & Modeling

LOCATION

Ann Arbor, Michigan

PM Insight

Deliverables

GPRS’ team of in-house CAD technicians provided Microstation POD files, full-color TruViews and a Bentley Microstation V8i 3D model

PROJECT APPLICATION

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

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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

PROBLEM

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

Solution

Utilizing several scan technicians and multiple Leica laser scanners, including the Leica P-40, P-20, and C-10 Scan Station, GPRS was able to occupy existing plant benchmarks and orient the data to survey control. GPRS’ scan technicians captured full color panoramic photographs a teach scan location with the on-board camera. GPRS completed over 1,200individual scans for this project due to the density of the piping

Benefits

GPRS communicated directly with on-site personnel at the powerplant 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

CASE STUDY GALLERY

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“Our team was more effective and efficient because of SiteMap, allowing us to provide better results from more informed decision-making.”
Alexander Valigosky
Project Environmental Scientist

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