Training and certification for geomembrane liner leak location surveyors

August 12, 2010  |  Features

By Ian Peggs, Ph.D., P.E Introduction The benefits of performing geoelectric leak location or liner integrity surveys (LIS) as the final stage of geomembrane liner construction quality assurance are well established. In fact, the New York State Department of Environmental Conservation (NYS DEC) Divi…
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“Workshop on Engineered Barrier Performance”

August 12, 2010  |  News

By George Koerner, Ph.D., P.E., CQA The U.S. Nuclear Regulatory Commission’s Offices of Nuclear Regulatory Research (RES) and the Federal and State Materials and Environmental Management Programs (FSME) conducted the “Workshop on Engineered Barrier Performance Related to Low-Level Radioa…
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Strata Geosystems awarded ISO 9001 certification

August 10, 2010  |  Products

Strata Geosystems India Private Ltd. announced Aug. 10 that its manufacturing plant in Daman, which produces high-tenacity geogrid, was awarded the ISO 9001:2008 Quality Management System Certificate, by internationally recognized certification body TUV-Nord. That standard is developed by the Intern…
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TRI to conduct CQC/CQA courses and mini trade show in Australia

August 9, 2010  |  News

TRI Geosynthetics Services will conduct a Construction Quality Assurance (CQA) Training Week, 4-6 Nov., 2010, at Monash University and Extension in Melbourne, Australia. Schedule of events Thursday, 4 Nov., 2010 “CQA of Geosynthetics” (including geomembranes, geotextiles, geocomposites, geogrids…
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14th IGS Council is formed

August 3, 2010  |  News

At the 9th International Conference on Geosynthetics (9ICG) in Guarujá, Brazil, the International Geosynthetics Society (IGS) Council marked the beginning of a new term. During the IGS’s General Assembly May 26, the officers and council members elected to serve for the 2010–2014 t…
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ASTM correction

August 1, 2010  |  News

To the editor: I just read the article in June/July Geosynthetics on purging dated test methods and specs. I couldn’t agree more with the article. I still commonly see specifications for NSF-54! I would make one bit of clarification on [this] information. You list ASTM D6214 replacing D4437 and D4…
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Geocell application?

August 1, 2010  |  News

Editor’s Note: A question-and-answer from the GMA Techline article in the April/May 2010 issue of Geosynthetics prompted a follow-up question and this answer. Question RE: Geocell application From: Suprio C. Posted: April 3, 2010 If a layer of geocell is placed on a soft subgrade of say CBR va…
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Transmissivity: An ambiguous contradiction

August 1, 2010  |  News

Editor’s Note: Rich Lacey of TRI/Environmental wrote an interesting article about transmissivity in the February 2008 issue, prompting this response. Thanks From: Mariko Posted: April 30, 2010 Thanks for explaining the difference between flow rate per unit length and transmissivity. It’s…
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Is it magic?

August 1, 2010  |  News

Editor’s Note: Prof. Dov Leshchinsky, a regular contributor to Geosynthetics magazine, authored an intriguing article for the June/July 2010 issue. In “Geosynthetic reinforced walls and steep slopes: Is it magic?” Leshchinsky urges a critical review of the apparent magic before it …
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Geotextile tubes are integral components for oil-pipe foundations, erosion control

August 1, 2010  |  News

Editor’s Note: The annual Specifier’s Guide by Geosynthetics magazine (the December-January issue every year) provides the answer to the question below regarding geotextile tubes. Question RE: Geosynthetic uses From: Nazir Posted: April 27, 2010 Could you please brief us about the weight…
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