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Leica Geosystems technology helps Chicago Department of Transportation reduce field time by 20%

The Chicago Department of Transportation (CDOT) retained the Dynasty group through AECOM to provide a professional survey of the Wells Street Bridge. But using a traditional total station, level, and measuring tape would have taken weeks of field time, resulting in disruptions to a crucial traffic route during rush hour.

Surveyors used 4 Leica ScanStations, one at each of the 4 corners of the bridge, to survey inaccessible areas. The ScanStations increased crew safety by allowing surveyors to avoid the electrified rail on the train tracks and other hazards on this heavily trafficked bridge. In addition, use of laser scanning helped reduce field time by 20 percent.

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