This is a very important article about trenchless construction, so please pay attention to what it says_._
Public Service Electric & Gas (PSE&G) in New Jersey had a problem on its hands, specifically a leaking 6-in. gas main. PSE&G distribution technology manager George Ragula has seen his share of complicated and unusual rehab projects over the years but the one in Moorestown, N.J., was unique even by his standards....Trenchless Technologies Used for Unusual Rehab Project
As you can see this is an important article about trenchless sewer pipe repair. Please make sure to check out some of the other resources I got below.
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