Measuring a giant one step at a time

April 1, 2013

Leak location survey at the Columbus Upground Reservoir (CUGR) By Abigail Beck Introduction Once construction is complete later this year, 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 …

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Bituminous geomembrane in a final cover exposed to tidal action

By Tarik Hadj-Hamou and Bertrand Breul Abstract Final closures of old abandoned landfills often pose technical and logistical challenges. A small (5 hectares/12 acres) landfill created by pushing waste into a tidal wetland on the edge of Suisun Bay in Northern California was no exception. The initially proposed final cover design called for 60cm (23in.) …

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The basis for landfill closure, remediation, and redevelopment

October 1, 2012

Reuse and recycle By Joan A. Smyth and Stacey A. Smith Introduction The Lexington County Highway 321 landfill site was recently awarded the U.S. Environmental Protection Agency’s (EPA) Region 4 Excellence in Site Reuse: Superfund Redevelopment Award. This site, located in West Columbia, S.C., contains several waste disposal areas that were active from the 1950s …

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Sustainability contribution by MSE berms at landfills

August 1, 2012

The articles in this series encompass all types of geosynthetics and their applications viewed from the context of sustainability. Traditional solutions are compared with geosynthetic solutions from both cost and carbon footprint perspectives. (from the Geosynthetic Research Institute’s 24th conference, 2011) Abstract Mechanically-stabilized earth (MSE) berms are increasingly utilized by landfill owners to efficiently create …

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An unprecedented design/build regulatory effort

April 1, 2012

Closing the A&L Salvage Landfill By Kevin Harshberger, Ron Zitek, and Chris Eichelberger Introduction Description of the A&L Salvage Landfill site in rural northeastern Ohio: 400-acre site near Lisbon, Ohio, began operations in 2001. a C&D (construction and demolition) landfill with asbestos and “unrecognizable” waste—unauthorized municipal solid waste (MSW). 46 acres of waste with no …

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Closing and capping the Timber Ridge Landfill

February 1, 2012

This project, submitted by Agru America Inc., won an Outstanding Achievement Award in the 2011 International Achievement Awards(IAA) / Geosynthetics presented by the Industrial Fabrics Association International. Each project in its own special way, exhibits outstanding innovation, technical skill and design excellence. Submissions of geosynthetics projects for the 2011 International Achievement Awards are being accepted …

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Emergency water supply: The Upper Chiquita Reservoir

October 1, 2011

By Steve Roades Introduction The recently completed Upper Chiquita Reservoir in Southern California was built to provide the region with substantial new water reserves to meet customer demand during disruptions of water deliveries. These interruptions can be unanticipated—for example, the 1999 break in a primary supply pipeline—or planned, such as a shutdown of the filtration …

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Comparison of carbon footprints for various stormwater retention systems

August 1, 2011

Introduction Construction materials continue to be a major source of greenhouse gases (GHG), based on the fossil fuels used in their production. As the amount of greenhouse gases generated each year continues to increase, there is a conscious effort to provide alternatives with lower carbon footprints. Geosynthetics have always provided cost-effective alternatives to traditional construction …

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Patch extrusion welding as a geomembrane failure mechanism

Geomembrane performance: Lessons learned—Part 2 By Garrett Q. Dutson Introduction This case history examines the geosynthetic construction, use, failure, and repair of an evaporation pond at an EnergySolutions facility in Clive, Utah. A high priority is placed on management of water that has contacted waste stored in this pond. A geosynthetic investigation into the root …

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EPA identifies case studies for hydraulic fracturing study

June 27, 2011

Agency to conduct field work in various regions of the country starting this summer. The U.S. Environmental Protection Agency (EPA) announced in a June 23 press release the next steps in its congressionally mandated hydraulic fracturing study. The EPA has identified seven case studies to help examine potential impacts of hydraulic fracturing (“hydrofracting”) on water …