Vipel > Resins for CIPP > Case histories about provenperformance and consistency size="-2">

Millions of people in the United States are benefiting from the pipe rehabilitation work of American Water Underground Infrastructure, Inc. The fact that hardly anyone notices is precisely the objective the company seeks with licensed National Liner > ή trenchless technology. This cured-in-place-pipe (CIPP) technology dramatically lowers costs, gets the job done faster, keeps traffic and commerce moving, and protects the environment and civil infrastructure.The technology utilizes the inversion method to insert resin-impregnated felt tubing into the underground pipeline in need of repair. The...

Historic Neighborhood Charm Is Preserved PROJECT SUMMARY Location: Columbus, OhioPipe Diameters: 15 to 48 in. (375 to 1,200 mm)Extent of Repair: 5,044 linear ft. (1,538 m)Project Completed: February 2004 This project was located in historic German Village just south of downtown Columbus. Established in 1814, the Village is the largest privately-funded historic district on the National Register of Historic Places. The job involved the rehabilitation of existing brick combined sewers, manholes and associated work and was part of a long-range capital improvements plan by the City of Columbus to...

Large Pipe Repaired on Difficult Allegheny Terrain PROJECT SUMMARY Location: Pittsburgh, PennsylvaniaPipe Diameters: 54 in. (1,350 mm)Extent of Repair: 1,372 linear ft. (418 m)Project Completed: May 2004 A sanitary sewage line in the Lower Nine Mile Run has a half-moon reinforced concrete top with a brick invert. The pipe is in a creek and under water. During dry weather, the exposed pipe crown was subject to considerable inflow and infiltration (I/I). I/I abatement and environmental remediation were the primary project objectives. The general contractor, Allison Park Contracting, Inc., pro-vided...

PROJECT SUMMARY Location: Boston, MassachusettsPipe Diameters: 10 to 30 in. (250 to 750 mm)Extent of Repair: 5,225 linear ft. (1,593.6 m) Project Completed: November 2004 This project involved sewer and drain rehabilitation in the Dorchester, East Boston, Hyde Park, Mat- tapan, Roslindale and West Roxbury districts of the metropolitan Boston area. Most work locations were in densely populated, high traffic areas; so the primary project objective was to minimize dis- ruption for businesses, residences and commuters. Having experienced positive CIPP performance in the past, the City of Boston selected...

The work in Cary started with the trenchless rehabilitation of 8-in.diameter sanitary collector sewers. The contract included related tasks such as manhole rehabilitation, open-cut point repairs and service lateral replacement. During the contract period, the Town encountered partial collapse of an existing sanitary sewer outfall pipeline, located at Prestonwood Country Club, home of the Senior PGA SAS Championship. The problem was complicated by the sensitive location of the pipeline, which runs under the clubs driving range, tennis courts and parking lot. The Town expedited repair of the collapsed...