The utility’s Buried Utilities Management Toolbox includes ground penetrating radar (GPR), electromagnetic locators, magnetic locators, and this laser rangefinder.
An example of the myriad of pipes and utilities (current and abandoned) that San Jose-Santa Clara Regional Wastewater Facility crews regularly encountered.
More than half of the San José-Santa Clara Regional Wastewater Facility’s as-built drawings were incorrect. The agency systematically confirmed and corrected pipeline locations using equipment like this dual-frequency UtilityScan ground penetrating radar (GPR) unit manufactured by Geophysical Survey Systems Inc. of Salem, N.H.