Visu-Sewer has been contracted to complete the project which will affect the areas of Century Hill, Huntington Commons and Saybrook.

CIPP involves inserting a flexible liner into the existing sewer pipe and heating resin inside the liner to harden it in place, which results in the sewer pipe’s repair without the need to dig a trench.

“This trenchless method will eliminate tree loss, prevent the disturbance of nearby landscaping and avoid long-term traffic inconveniences,” Department of Public Utilities Wastewater Collection and Pumping Supervisor Tony Conn said.

Mr Conn expects that CIPP technology will add another 50 to 100 years of life to the city’s sewer system.

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“It is a cost effective and efficient way to repair underground pipelines. This method of sewer rehabilitation is widely used to repair aging sanitary sewers that are experiencing deterioration, tree root intrusion and groundwater infiltration.”

The work is expected to be completed by December 2009.