Gas Technology Institute

Kiran Kothari

Khalid A Farrag

A system for detecting an underground cross-bore includes a mechanical sensing device attached to an underground travel element to form a combination adapted for underground travel. The mechanical sensing device senses at least a first underground condition wherein the combination is ensconced in an underground bore and a second underground condition wherein the sensing device senses entry into a pipe cavity. The mechanical sensing device desirably can provide a signal identifying entry into a pipe cavity.

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Hoffman Estates, IL, United States of America

Kiran Kothari