Electromagnetic Induction

EM technology is one of the newest technologies for utility location on the market. Electromagnetic Induction uses magnetic fields to produce electrical currents. Based on the frequencies used and currents induced, utility location readings can be used to create an incredibly accurate map of everything below ground, from concrete to underground water sources and underground utility lines.

Underground Utility Location, Utility Locator San Bernadino, Utility Locator High Desert, Utility Locator Inland Empire, Utility Locator Tri-Valley, Utility Locator Orange County, Utility Line Locattion, Cable Line Location


Utility Locating Methods 

Global Conductor Locators uses the American Public Works Association (APWA) Uniform Color Codes for temporary marking of underground utilities are listed below: 

Electric power lines, cables, conduit, and lightning cable

Telecommunication, alarm or signal lines, cables, or conduit
Natural gas, oil, steam, petroleum, or other gaseous or flammable material
Sewers and drain lines
Drinking water
Reclaimed water, irrigation, and slurry lines
Temporary survey markings, unknown/unidentified facilities
Proposed excavation limits or route

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Ground Penetrating Radar

Ground Penetrating Radar is used to rapidly and precisely locate underground utility lines to avoid potentially hazardous and costly situations. GPR equipment creates a “baseline” or point of reference that indicates where the radar waves are initiated.  The GPR device sends radar into the ground, creating geological readings that include any voids or objects below ground.  That information is then transmitted back to the "baseline" or GPR device. Our trained technicians collect those readings and compile them to create a quick and accurate picture of where underground utility lines lay.