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I-696 Wall Monitoring Survey
A combination of reflectorless total station and laser scanning technologies was used by the Michigan Department of Transportation (MDOT) for the first time to quickly and cost-effectively perform a wall monitoring survey on 14 miles of I-696. Wade Trim surveyors recorded 520 observation locations at 100-foot intervals on wall heights ranging from 10 to 25 feet. Mag nails were installed to establish permanent horizontal control for this and future surveys without the expense of a project-wide control network. Results from this award-winning survey narrowed MDOT’s concerns to approximately 15% of the walls for consideration of design improvements or future monitoring. |
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C. S. Mott Children’s and Women’s Hospital HVAC Survey
Hanger positions for HVAC ducts were staked throughout 12 floors of the new C. S. Mott Children's and Women's Hospital for the HVAC contractor. In-patient areas needing more ducts to serve small rooms required setting up to 1,200 points per floor while office and surgical areas required up to 400 points. According to the contractor’s foreman, hanger installation time was reduced by 35% using Wade Trim for the layout and drop ins. This method also greatly enhanced their personnel safety resulting in zero injuries during duct installation.
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Schenkel Road Cave Sewer Addition
Laser scans were performed to support a sewer addition through Schenkel Road Cave in Frankfort, KY. Wade Trim’s first phase of laser scanning was used by the City and their consultant, Quest Engineering, to determine the feasibility of supplementing an existing 14-inch sewer pipe running through the cave with a new 36-inch sewer pipe. The cave was subsequently widened and the new sewer pipe was installed. A second phase of laser scanning provided as-built documentation and an archive for the City. |
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Michigan Height Modernization
MDOT is undertaking Height Modernization activities throughout Michigan to upgrade vertical stations for the National Spatial Reference System (NSRS). As a subconsultant to Surveying Solutions, Inc., Wade Trim performed approximately 430 kilometers of high accuracy leveling work using Global Positioning System technology to incorporate new southeast Michigan benchmarks into the NSRS. The project will improve the accuracy of geospatial data for positioning and navigation needs. |
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Belleview Biltmore Hotel Preservation
Laser scanning the Belleview Biltmore Hotel put as-built data and 3D modeling capabilities at the fingertips of architects to aid in historic preservation and restoration design efforts for this west Florida landmark. Wade Trim surveyors collected data from 26 exterior locations and throughout the interior to capture the entire 440,000-square-foot hotel and three cottages during a 2-week period. Laser scanning eliminated any impacts to hotel structures and minimized disturbances to guests. |
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M-25 Bridge Hydraulic Survey
A road design, structure and hydraulic survey of the M-25 Bridge over Harbor Beach Creek in Harbor Beach, MI, was performed to assist MDOT in future planning and design improvements for the bridge and roadway. GPS control was set to obtain state plane coordinates and National Geodetic Survey benchmarks were used to obtain elevations to determine flow capacity of the bridge and flooding hazards for the surrounding properties. |
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