Relining

PECO’s Exelon Infrastructure Services Inc. (EIS) announced a newservice yesterday in which gas utilities are offered a newcured-in-place relining technology, called starliner, forrehabilitating faulty mains and services. Utilities perform morethan 150,000 gas service line restorations and 4,500 miles of gasmain restoration each year, Exelon said. The majority of this workinvolves the traditional open-cut excavation. Unlike straight orrigid liners, cured-in-place liners can be installed through bends,fully open fittings, and where there may be variations in internaldiameters. This new service minimizes costly tasks like trafficcontrol and digging up and restoring streets, which account for 70%of the cost in gas line restoration work. Starliner has been usedsuccessfully in Europe since 1991 to restore over one million feetof gas main. EIS is the first construction company to offerstarliner to the U.S. market.