Bigman Geophysical, LLC | 3,308 followers on LinkedIn. We help engineers/contractors increase site safety and reduce project costs by implementing geophysics and ndt programs. | Bigman Geophysical, LLC offers full-service geophysical and non-destructive testing solutions to the engineering, construction, utility, environmental, and infrastructure industries. We regularly collaborate with customers on the following applications: Archaeological and historical site mapping Cemetery mapping, grave verification, and unmarked burial identification Residential and commercial construction and renovations Concrete scanning for rebar, conduits, and post-tension cables Inspection of concrete for corrosion, delamination, honeycombing, and voids Thickness measurements of concrete, runways, dams and roadways Mapping utilities, drainage systems, irrigation networks, and other civil infrastructure Environmental investigations Precision Agriculture Contaminant and waste mapping Location of underground storage tanks (USTs), septic tanks, and buried drums Void and sink hole detection and characterization Estimation of depth to bedrock or water table We are also the only firm that offers a-la-cart support solutions including training, equipment rental and supply, equipment calibration and maintenance, and data processing services. We use cutting edge technology such as ground penetrating radar (GPR), multi-channel GPR, electromagnetics, GIS, GNSS, ultrasonic testing equipment, pulse echo, magnetics, electrical resistivity, rebound hammers, eddy current, etc...