When a manhole cover is broken, you don’t even have to climb out of your service truck to see it. A suspected crack in an underground sewer line is a whole different matter. You can run a camera through the line, but when the cost of a complete inspection is prohibitive — especially for a line that seems intact — what are the alternatives?
This was the dilemma facing Aurora (Colorado) Water Operations and Engineering personnel in 2015. A sinkhole adjacent to busy Peoria Street in the Colorado city announced a leak from a sewer interceptor line buried 30 feet underground.
