Municipal Sewer & Water Magazine, Oct 2010, Keep It Flowing

There’s a word for traffic disruptions around Harrisburg, the Pennsylvania state capital: ugly. When two dual pipelines running deep beneath one of the area’s busiest arteries showed signs of deterioration, no one wanted to repair it by conventional dig-and-replace methods.

Instead, the Pennsylvania Department of Transportation(PennDOT) settled on a trenchless solution involving a spray-on structural coating. The job saved months of traffic disruption and an estimated $2.6 million.