Elmira Water Board Pressure Pipe Lining

The Elmira Water Board (EWB) has two raw water sources across town that are pumped to the treatment facility from either the Chemung River or ground wells delivering upwards of 5 MGD. The transmission lines consist of twin 24” cement lined ductile iron pipes with an operating pressure of 30 PSI; each pipe delivers 2.5 MGD to the treatment plant daily. A large valve chamber 100′ outside of the treatment plant controls the flow and separation of the raw water before being pumped another 30 LF vertically upwards entering the treatment plant. It was discovered that water was leaking out of the hillside between the treatment plant and valve chamber, losing thousands of gallons of water daily and causing sink holes endangering the foundation of the building. Digging was not an option. Arold utilized a high-pressure fiberglass NSF 61 Approved Epoxy Liner to rehabilitate the existing pipe. It was the only solution. The installation required two crews working 12-hour shifts around the clock for approximately three days to install the liner around (3) 90 degree bends and cure it. The liner had to be brought into the building and installed via a “water inversion” and then cured with steam. WEKO End Seals were installed at the termination point of the liner to complete the installation prior reinstalling the valve cluster and going back online for the EWB. The project was managed by Matt Gardiner, Drew Wolff and Tom Hughes & the Field Superintendent was Michael Schmeissner. Our contract value was approximately $150,000.