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It's a Jungle out there. Underground Utility Detection & Inspection Services

Metallic Line Detection


Underground Utility Pipe Locator in Oregon (Eugene & Portland) and Washington State (Everett, Renton, Seattle, & Tacoma)

Metallic Line Detection

Identification of metallic underground utilities with electrical continuity: Utilizing electromagnetic transmitters and receivers to locate conductive utilities like Phone, Gas, Cable/TV, Water, Irrigation, Lighting, Electrical, Etc…

Active Methods

An active signal is a signal that has been artificially generated by an external source. Active electromagnetic radio detection methods can allow different services such as telephone and electric to be individually identified. Active methods involve the use of a transmitter. The transmitter can either be used for direct connection or for induction. Direct connection involves the application of an active signal to a conductor using a clip or clamp. Induction involves a signal being radiated from the internal antenna of the transmitter which is induced to any conductors in the vicinity and re-radiated. Generally 8, 33, 65 or 83KHz frequencies are used. It is often possible to determine the depth of the service in these modes.

Passive Methods

A passive signal is a signal that occurs ‘naturally’ on a buried conductor. Passive radio detection methods will provide an indication only that services are present underground. Passive methods use the electro-magnetic fields already present around the underground utility to locate them. Two modes are generally used:

Radiodetection: Fundamental Principles and Techniques

Pipe and Cable Locators don’t find pipes and cables, they find electro-magnetic fields. Why is that? Electro-magnetic fields do things and function in ways that pipes and cables don’t.

Underground conductors don’t move, but the electro-magnetic fields we detect and trace are subject to distortion affected by;

There are three ways to locate a buried conductor;

It takes specialized equipment and training for successfully detection.