Geophysical Survey
Ground Penetrating Radar (GPR)
High-frequency GPR survey to locate buried utilities and shallow voids along an urban renewal corridor in Riyadh.
Ground Penetrating Radar (GPR)
Scope of work
FEG completed a staged GPR survey prior to civil breakout along a congested arterial route. Data were collected in both longitudinal and transverse grids to improve detection confidence for non-metallic services.
Scope of work included:
Utility records review and site walkover with client engineering team.
GPR acquisition using 250 MHz and 500 MHz antenna configurations as appropriate to target depth.
Real-time processing and mark-out of anomalies exceeding amplitude/phase thresholds.
Trial pits and vacuum excavation verification at selected anomalies where permitted.
CAD deliverable with interpreted utility lines, voids, and confidence ratings.
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