Blog

January 23, 2015

One question we get frequently from our clients is: how accurate is underground utility locating? The alternate question is: what's the safe distance to drill or excavate away from marked underground utilities? Although there is no precise answer to this question, there are still some good practices to follow.

Some states require you keep certain distance away from marked underground utilities if powered tools are to be used. For example, in new jersey, you can only hand dig within two feet of a line marked by utility companies. In general, two feet is the minimal distan...

November 14, 2013

Enviroprobe conducted an underground utility locating survey at a gas station in Morristown, NJ. During the process of searching for underground utilities, an anomaly showed up in the ground penetrating radar data close to the pump island. The experienced Enviroprobe geophysicist immediately realized this could be an orphaned underground storage tank. Further investigation utilizing metal detectors confirmed the finding. The finding was notified to the client, a reputable environmental consulting company, so further appropriate actions could be taken.

November 5, 2013

Prior to drilling, digging, trenching, and excavating, it is essential to know where underground utility lines are located. It’s particularly important for gas stations. Unlike residential house and office building properties, gas stations usually contain extra underground utilities including those for gasoline/diesel tanks and pumping systems. Besides the usual utilities including electrical power, communication, sewer, water and natural gas lines, there are other important lines such as fuel/product lines, ventilation lines and electrical conduits for the gasoline/die...

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