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Title: Robotics Technology Goes Live For Repairing Gas Mains
Author: George Ragula, Gerard T. Pittard
Source: American Gas Association 2005
Year Published: 2005
Abstract: United States gas distribution companies spend in excess of 1 billion/year to inspect and repair leaking gas mains and services. Repairs are generally performed by excavating over the pipe and performing an external repair. A newly developed robotics system has the potential to reduce repair costs by combining both inspection and repair activities into one piece of equipment, reducing the number of excavations, and making multiple repairs up to 1,000 feet in each direction from a single entry point. The system operates in a live environment (i.e., gas flowing through mains during inspection and repair) without interruption of service to customers. This paper will outline capabilities and potential limitations of various components in the robotic system.

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