Reviving the Palos Verdes Reservoir—Part 4

August 1st, 2019

By John Heap and Chris Kelsey The active site work for the Palos Verdes Reservoir’s substantial update began in late 2016, advanced primarily throughout 2018 and concluded in the second quarter of 2019 with the filling of the reservoir. The project was immense for everyone involved, and with that has come the expected excitement, challenges […]

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Reviving the Palos Verdes Reservoir, Part 3

February 1st, 2019

California’s water infrastructure is one of the most challenged systems in the United States due to the large population it supports, the age of much of the water infrastructure, and the diverse environments—mountains, coastlines, old-growth forests, deserts—found in the state. The water infrastructure is also one of the country’s most advanced systems, in part due […]

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The magic of water and geosynthetics

February 1st, 2019

Water is a fundamental issue in many projects using geosynthetics. From erosion control to reservoir liners and covers, from landfill leachate pond barriers to coal ash dewatering, handling water and the effects of water are considerations nearly every engineer employing geosynthetics considers. Geosynthetics can effectively manage water applications of erosion control, reinforcement, barriers, filtration and […]

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Reviving the Palos Verdes Reservoir—Part 2

April 1st, 2018

The October/November 2016 issue of Geosynthetics published Part 1 of this series on revitalizing the Palos Verdes Reservoir in Los Angeles County, California. That article described the approach to revitalizing the site, as well as the five-month-long geosynthetic manufacturing and fabrication phase. In Part 2, we continue to explore more of the inner workings for […]

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Editorial: Geomembranes and water

April 1st, 2018

The World Health Organization (WHO) asserts that a clean water supply is “fundamental to global health.” WHO estimates that considerable exposure worldwide to contraction of many waterborne diseases and conditions (diarrhea, malaria, malnutrition, parasites, bacterial infections, etc.) could be diminished by increasing access to safe drinking water, improving sanitation and hygiene, and improving water management. […]

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Raven Industries acquires Colorado Lining International

August 23rd, 2017

Raven Industries Inc. announced Aug. 22, 2017, that it has signed an asset purchase agreement to acquire substantially all of the assets of Colorado Lining International Inc., headquartered in Parker, Colo. The cash transaction is expected to close in September with Raven paying approximately $14 million and the potential for up to $2 million in […]

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Are zero leaks with installed geomembranes possible?

June 1st, 2017

Abigail Gilson-Beck and Glen Toepfer step into a geosynthetics minefield in this issue of Geosynthetics with their article “Achieving zero leaks on a budget,” a goal that is controversial in the industry. Whether this goal should even be an objective is the question the debate hinges on. A spirited discussion on this issue arose during […]

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