ONEOTA STREET During replacement of the last pumping station built by Duluth, Minnesota, in the 1920s, the Western Lake Superior Sanitary District (WLSSD) was able to reha- bilitate the deteriorated concrete in an aging lift station using a high-build, fiber- reinforced epoxy liner from Tnemec. “The concrete in the lift station had corroded down to the river rock that was used as aggregate during mixing,” Tnemec coating consultant Randy Bartz

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