Waterproofing 'non-conformance' flagged during inspections of LRT tunnel in 2018

By Jon Willing, Ottawa Citizen, April 2, 2019

Taxpayers might have to live with a leaky LRT tunnel, along with the threat of water accumulating in stations and damaging infrastructure, and there’s not much the City of Ottawa can do about it.

An inspection report filed last year suggests there are areas of the Confederation Line tunnel where the “waterstop” material wasn’t installed properly.

“Varieties of issues were identified with waterstop installation that may compromise their effectiveness,” a Rideau Transit Group (RTG) inspector wrote in a report that was started on April 18, 2018. “These issues range from discontinuities to premature saturation of the hydrophilic materials.”

https://ottawacitizen.com/news/local-news/waterproofing-non-conformance-flagged-during-inspections-of-lrt-tunnel-in-2018

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