Maximizing Electrical Leak Location Effectiveness with Covered Geomembranes

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By Abigail Gilson-Beck and Julio Ferreira – Designers of geomembrane-lined containment facilities commonly assume two to five leaks per hectare, with each leak of the size or diameter of a few millimeters. A leak is any damage that fully penetrates a geomembrane panel or seam (e.g. hole, perforation, tear, crack or puncture). Typical leaks caused by equipment placing cover material can be orders o... »

Electrical Leak Location Sensitivity Explored

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By Abigail Beck, P.E. – Electrical Leak Location (ELL) survey success is directly related to the sensitivity that can be achieved by the method employed.  Method sensitivity is one of the most widely misunderstood aspects of ELL surveys, since it is largely a function of site conditions and less a function of survey equipment and methodology.  Some adjustments in ELL equipment and survey methodolo... »

Improve Your Business with CQA Week Training

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CQA Week was established 10 years ago to provide technically advanced but immediately implementable, revenue-generating expertise for geotechnical engineering businesses. The focus is on providing the type of training that will keep companies (and regulators) ahead of the field. Held twice per year, CQA Week will next take place 13 – 17 October 2014 in Austin, Texas at the TRI Environmental campus... »

CQA Week Short Courses and Certification, October 13 – 17

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TRI Environmental has announced the short course line up for the next CQA Week. Now in its 10th year, CQA Week will be 13 – 17 October 2014 in Austin, Texas and feature training and certification opportunities in liner integrity (leak location) surveys, CQA of geosynthetic installations, and CQA of compacted clay and GCL installations. REGISTER FOR CQA WEEK ONLINE DOWNLOAD THE BROCHURE (PDF) The s... »

Menges Roller Enables 10m Wide Rolls in Nonwovens Market

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Menges Roller, a leader in manufacturing and maintaining precision industrial rollers for the nonwovens and geosynthetic industries, has extended its size capacity and technical capabilities with the purchase of a large new machine. The new machine gives Menges Roller the ability to manufacture rollers as long as 10 meters. Menges Roller Company purchased this large machine in response to companie... »

New Edition of Electrical Leak Location Guide

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TRI Environmental has published an updated Electrical Leak Location Survey General Guide. This publication (August 2014) closely follows the release of ASTM International Committee D35’s new standard, D7953 – Standard Practice for Electrical Leak Location on Exposed Geomembranes Using the Arc Testing Method. DOWNLOAD A COPY OF THE ELL GUIDE (PDF) The most substantive change in the guid... »

Electrical Leak Location Method Receives New ASTM Designation

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AUSTIN, Texas – After having been in commercial use in Europe since 1999, the arc testing electrical leak location (ELL) method has finally found a home among other electrical leak location methods in ASTM International’s standards system. ASTM D7953-14, Standard Practice for Electrical Leak Location on Exposed Geomembranes Using the Arc Testing Method, has been approved by Committee D35 on ... »

Miller Weldmaster Promotes Benefits of Moduline System for the Geo Industry

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As the “First Choice Globally”, Miller Weldmaster strives to serve customers in the industrial fabrics industry with state-of-the-art fabric welding equipment and world-class customer service and support. Among the company’s customers worldwide are manufacturers in the Geo industry. For optimized production outcomes, Miller Weldmaster offers these manufacturers the Moduline System, a machine model... »

Miller Weldmaster Increasing Production Capabilities of Geo Industry as Global Geosynthetics Demand Rises

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A report recently published by The Freedonia Group projects that global demand for geosynthetics will reach 5.2 billion squares in 2017. The market research firm predicts that the growth will be tied to improved conditions for road- and structure-building, as well as “growing concerns regarding environmental protection and greater awareness of the performance advantages of these products in a vari... »

Video – Miller Weldmaster Geosynthetic Welding Equipment

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Miller Weldmaster is a manufacturer and innovator of rotary hot air and hot wedge welding machines for the industrial fabric and thermoplastic industries. Specializing in geomembrane liner welding equipment, this video tells the family-owned and -operated company’s story of innovation, customer support and technology development. »

Demtech’s “On the Move” Team Expands to Four Technicians

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November 2013 – “Demtech On The Move” (www.demtech.com) is on the move, traveling all over the United States and Canada to offer on-site equipment, repair and training services for geosynthetic installations. With four mobile field technicians now on staff, the team covers more ground than ever. Don’t be surprised if you see a Demtech trailer or van on a highway near you! Due to the ov... »

Early Look at Waterproof Membranes 2013 Attendees List

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The annual Waterpoof Membranes conference, organized by UK-based Applied Market Information (AMI), holds its 7th edition this December 10-12 in Dusseldorf, Germany. The conference routinely includes a mix of geotechnical and architectural barrier presentations—market statistics and trends, manufacturing advances, new materials, application expansion, and more. AMI is offering a savings of €100 on ... »

Electrical Leak Location Arc Tester to Revolutionize Liner Quality

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By Abigail Beck, TRI Liner Integrity Services — New equipment has been developed that behaves like a spark tester, but doesn’t have to be performed on conductive-backed geomembrane.  It has the same requirements as the water puddle and water lance methods in terms of a conductive layer underlying the geomembrane, including soil.  It is not a spark tester, which is used exclusively on conduct... »