Contractors have many applications for geophysics. They use geophysics to find existing utilities, map rebar in concrete, locate shallow groundwater, measure bedrock depth, rippability and much more. Contractors use geophysics for the safety of excavation crews and to avoid damaging existing pipes. Information provided by geophysics helps contractors confirm how things were built. Potential problems such as shallow water or bedrock can be discovered long before these conditions turn into expensive delays. Geophysical information saves time and money by providing contractors with information on what is underground. Better information on what is underground improves safety and lowers construction costs.

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