Topographic & Sub-Surface Utility Engineering
The University of Notre Dame
Notre Dame, Indiana
LFA, with assistance from Cardno TBE and R&R Visual, mapped nearly all visible and subsurface features within the University of Notre Dame’s Campus Crossroads project area using multiple methods aimed to optimize the required accuracies, produce the requested deliverables and to create a dataset worthy of incorporation into a GIS platform for use with the University’s facilities management. Survey grade GPS was utilized to establish a control network over the entire project site that could be used during construction of the Campus Crossroads project and future projects in the area. As-built data for the gravity utilities were generated using digital imaging technology that greatly increased the efficiency of data collection in the field while providing a visual record of the gravity structure itself. Non-gravity utilities were mapped using geophysical location methods that resulted in both horizontal and vertical (in selected instances) location information. The resulting information was assembled and modeled in Autodesk’s Civil3D software. The Campus Crossroads survey data also served as the test set for conversion of consultant-provided data into the University’s expanding GIS system.
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