Sewer line inspections for cross bores in Pennsylvania are getting a boost from camera-equipped robots that are inserted into the line and drive up the sewer to confirm there's no intersection between gas and sewer lines. "This noninvasive video inspection process does not cause any interruption to service and, except in limited instances, doesn't require any access to home or property," said Russell Bedell, manager of communications and community relations for Columbia Gas of Pennsylvania & Maryland. "Prior to the development of this new technology, small sections of mains or laterals could have been viewed using a push camera, but that technology is more time intensive and more limited in its capability."
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