TRI Liner Integrity Services

Measuring a giant one step at a time

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Courtesy of TRI Liner Integrity Services

Once construction is complete in 2013, the Columbus Upground Reservoir (CUGR) will be the largest continuously-lined lagoon on the planet, nearly twice as large as the lagoon currently holding that title. The sheer enormity of the project has been compounded with difficulties from the beginning of construction to make it one of the most challenging geomembrane-lined structures ever built.

Battling the extremes of desiccation and flooding, high winds and subterranean gases, each construction phase seemed to open the door to a medley of new challenges. Applying the latest quality control technology, a post-construction electrical liner integrity survey, posed additional demands on both the general contractor and the liner installer.

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