Underground Utility Location Prior
to Excavation in Evanston, IL

A new chilled water system was to be installed in the Technological Institute at Northwestern University in Evanston, IL. Installing the new piping for this system required the excavation of a trench between several of the surrounding buildings. Any underground utilities in the path of the trench needed to be located prior to this excavation.

Ground Penetrating Radar Systems performed the required utility locating services throughout the area where the trench was to be excavated. A GPR survey and other utility locating methods were used to determine the locations and depths of any buried utilities in this area, including water lines, electric conduits, gas lines, and sewers. The locations of all utilities were marked at the site, allowing this trench to be dug without damaging any existing utilities.

Nathan Machel is regional director for GPRS operations throughout Wisconsin, Illinois, Iowa, Minnesota, and eastern Missouri. He is based in Chicago, IL and he can be reached by phone at 847-514-2277 or 414-795-6485, or by email at nathan.machel@gp-radar.com.

GPRS operator Nathan Machel conducts a survey for underground utilities at Northwestern University in Evanston, IL. The GPR system is capable of detecting the metallic and PVC pipes used for many types of utilities.