On September 10th representatives from Wessner’s Excavating LLC demonstrated to Northwestern Lehigh High School’s Earth Sciences class how GPS is used in construction.

Buddy Wessner, president of Wessner’s Excavating LLC, showed the students heavy construction equipment installed with GPS. He explained how GPS is used in modern construction methods and compared it to how site work used to be done. Today’s GPS equipment operator can move earth with an accuracy of + or – 1” without the need for any additional people on the ground.

Members of Wessner’s Excavating LLC’s Survey Department, Tim Frantz and Bill Hoch, explained to the students how CAD information is converted and prepared for use by the GPS equipment. They demonstrated a GPS Rover and how it is used for layout and collecting site data.

The students also sat in a GPS equipped dozer, operated by employee Bob Cressman, and saw live information as it relates to the site preparation process.
