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Geomembrane waterproofing for a 10-mile wooden flume

October 1, 2016

Introduction In 2015, a private hydroelectric company in Washington state was looking to install a geosynthetic liner as part of a 16-km (10-mi) elevated wood and metal structure for conveying water—a flume. The project was located near Mount Rainier (Photo 1) about 50 miles southeast of Seattle in southwestern Washington’s Pierce County. The owner operates …