Metallic and PVC conduits and piping
Post-tension cables
Depth and spacing of reinforcing
Slab and substructure voids
Masonry walls for voids and reinforcing
Rebar deterioration and corrosion
Underground structures and utilities
Geological and forensics sites
Road evaluation, including asphalt and concrete thickness
Bridge and concrete structure inspection
Underground tanks and drums
Water leaks and saturated soils (petroleum, industrial fluids, brine, etc.)
Environmental geological and archeological investigation