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CIPP liner selected as best method to rehabilitate water main

The Reversing Falls Bridge traverses the Saint John River in New Brunswick and is one of only two bridges connecting the east and west sides of the City of Saint John. The Saint John Water Utility operates a 484 mm diameter welded steel water main suspended beneath the bridge which provides potable water from the east side to some consumers on the west. Due to recent issues with the pipeline and the need to rely on this critical pipe for many more years into the future, it was originally planned to replace this pipe. After extensive research, it was decided to rehabilitate the existing water transmission main by means of a fully structural cured-in-place pipe (CIPP) liner.