April’s GSI Webinars Tackle Landfill Expansion and Heap Leach Mining

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The Geosynthetic Institute opened the year by increasing the number of webinars it offers in the calendar year. In April, this includes two very big topics: landfill expansion over existing landfills and geosynthetics in heap leach mining. The webinars will be held 11:30 am – 1:00 pm EST on April 12 (Landfill Exapnsion) and April 26 (Heap Leach Mining).  Each carries 1.5 PDHs, provided successful ... »

Waterproof Membranes 2017 Call for Presentations

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AMI has announced the dates of Waterproof Membranes 2017, the 11th installment in the annual series and issued a call for presentations. The international conference focuses on the market dynamics, technical innovation, manufacture, installation, and performance of waterproof membranes (e.g., geomembranes). It will be held 14 – 16 November 2017 at the Maritim Hotel in Cologne, Germany. VISIT... »

Bituminous Geomembranes for Gas Depot Secondary Containment

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By Natalie Daly, Bertrand Breul, and Bernard Breul – The Chevron Willbridge Terminal is located in Portland, Oregon near the Willamette River. The facility stores refined petroleum products. Currently, the site features 11 light product tanks, 10 lube oil tanks of smaller diameter, and 3 waste tanks. The terminal has been in operation for more than 100 years, and the tanks are of varying sizes and... »

Managing Geomembrane Wrinkles: A Manufacturer’s Approach

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On April 27 at 1:00 pm EST, Solmax will tackle a very hot topic with a free webinar: managing geomembrane wrinkles. This session follows the discussion created by the Geosynthetic Institute’s (GSI) recent webinar in which Dr. Robert Koerner spoke strongly against wrinkles left in or left to develop in a geomembrane installation. The GSI webinar highlighted a number approaches that might be used to... »

LEISTER’s New Quality System Shares GPS-Based Seam Data

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Two years ago, Leister Technologies AG debuted the GEOSTAR wedge welder line at Geosynthetics 2015, a biennial event. During the forthcoming edition (Geotechnical Frontiers 2017) in Orlando, Leister returns with a major advance for the GEOSTAR geosynthetic welding equipment: GPS-based, wireless seam data sharing. Geotechnical Frontiers 2017 will be held 12 – 15 March 2017 in Orlando, Florida. Leis... »

Geosynthetics CQA Workshop at Australian Landfill Conference

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During the 7th Australian Landfill and Transfer Stations Conference, a one-day CQA workshop will be held with a focus on construction quality assurance (CQA) for geosynthetic liners. These barrier systems are vital to the long-term performance and environmental security of waste management installations. The CQA conducted on site ensures that these systems go into operation in ideal condition to b... »

Register for FGI Short Course on Containment and Welding

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The Fabricated Geomembrane Institute is presenting a one-day course on “Current Advances & Trends in Containment & Welding Technologies.” The February 21 FGI short course will be held at TRI Environmental’s headquarters in Austin, Texas. Expert speakers from geosynthetics manufacturers, fabricators, installers, research and academia, and government agencies will be on han... »

Boyd Ramsey Opens Engineering Consultancy

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After nearly two decades in engineering roles in North America and Asia with a global leader in geosynthetics manufacturing, Boyd Ramsey is taking on a new challenge: developing an engineering consultancy. The firm, Boyd Ramsey Consulting LLC, officially opened as the calendar year turned to 2017. A website has been launched in support of the venture: www.boydramseyconsulting.com BOYD RAMSEY CONSU... »

Video: Conductive Geomembranes and Enhanced CQA

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In November, Solmax provided the third of its high-level webinars on geomembranes with a session on “Enhancing Quality Assurance with Conductive Geomembranes.” The presentation is now available for free via the company’s YouTube channel, as are the previous two webinars. Those other sessions dealt with Blown Film vs. Flat Die Geomembranes and Geomembrane Resin and Additive Packages. ENHANCED CQA W... »

VIDEO STORY: Solmax Cleans Up 150 Tons at an Illegal Dump

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International geosynthetics manufacturer Solmax has been undergoing a change in its identity from that of a commodity producer to a provider of value-added solutions. It hasn’t lost its focus on the environment, though. That old focus has intensified, as exemplified by the recap video the company has shared of its day doing volunteer cleanup of an illegal dump. The project, conducted in collaborat... »

Webinar: Enhancing Quality Assurance with Conductive Geomembranes

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On November 17, the next webinar in Solmax’s series of deeper-level geosynthetics discussions continues with presentation on “Enhancing Quality Assurance with Conductive Geomembranes.” The free session will be offered at 1:00 EST. REGISTER ONLINE CONDUCTIVE GEOMEMBRANES Previous webinars in the series have looked at blown film and flat die geomembranes and at HDPE additives in manufacturing as the... »

VIDEO: Flat Die and Blown Film Geomembranes

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Solmax made public its well-received presentation on blown film geomembranes and flat die geomembranes. The July 2016 talk, led by Mathieu Cornellier, P.Eng, addresses the differences between the two plastic extrusion processes, how they influence the final high-density polyethylene (HDPE) geomembrane product, relevant standards for selecting these materials, and potential misunderstandings about ... »

13-Year Study of Exposed, Green Geomembrane Cover

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By Boyd Ramsey – In the summer of 2001, a 60- mil high-density polyethylene (HDPE) green geomembrane was installed as a cap at the Polk County Florida solid waste disposal facility (The North Central Sanitary Landfill Class 1 Disposal Area). This cap covers approximately 4 hectares (16 acres) of surface area on a mass of waste with a relatively flat top surface and benched side slopes with an angl... »

The Lighter Side of Geomembranes

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Geomembrane installations often cover substantial areas. Landfill cells pose enormous footprints. Oil and gas pits, industrial processing ponds, and wastewater containment ponds are large installations too, and each year they tend to be built a little larger. The scaling up of these facilities is not just a matter of achieving better operational economics for the facility owner; it’s also because ... »

Geosynthetic Protection and Covering Lecture at MoDNR

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Mark Sieracke of Weaver Consultants Group will provide a special keynote lecture focused on Geosynthetic Protection and Covering on Thursday, September 8. The talk is part of CQA Week professional development events in Jefferson City, Missouri. The Missouri Department of Natural Resources (MoDNR) is hosting this round of CQA Week engineering training 7 – 9 September 2016. The program is open to th... »

Polymer-Enhanced GCL for Wet Process Ash Impoundment

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By GSE Environmental – An innovative geosynthetic clay liner (GCL) was used for the containment of wet process ash at a 3,520 MW facility in the Southeastern United States. The wet process ash project involved roughly 1,000,000 ft.2 of GSE Bentoliner CAR (Coal Ash Resistant) GCL. The facility owner wanted an impoundment design that would conform to any potential rulings from the US Environmental P... »

SURVEY: Extra-Wide Geomembranes

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I-CORP International’s Dr. Ian D. Peggs, P.E., P.Eng has shared a survey on extra-wide geomembranes. Your participation is invited. Responses are sought from manufacturers, distributors, installers, construction/contracting firms, design engineers, etc. The information gathering project aims to initially assess the market potential for 11.6m-wide, seamless panels of polyethylene and polyprop... »

A Conductive Prime Finish for Spark Testing Geomembranes

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Last month, Solmax announced a new multi-day conductive geomembrane training program. Now, the company has furthered its information offerings in the field with the release of a new Conductive Prime Finish brochure. The new electrically conductive geomembrane skin enhances the ability to use spark testing for liner integrity verification. DOWNLOAD THE CONDUCTIVE PRIME FINISH BROCHURE (PDF) Conduct... »

Solmax Unveils Conductive Geomembrane Training Program

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A new training program from international barrier system manufacturer Solmax aims to increase user understanding of conductive geomembrane. The three-day training will be held in Montreal, Quebec, Canada at Solmax’s headquarters. Conductive geomembrane are greatly improving the ability of geosynthetics installers, facility owners, and regulators to prove the integrity of the construction wor... »

GCL Transforms Australian Quarry into Landfill

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By NAUE – An Australian quarry became of the country’s largest landfills, with the installation of a geosynthetic clay liner (GCL) barrier system. The site, known as the Western Landfill, has an available airspace totaling more than 15,000,000m3. Since 1999, the facility has offered municipal and commercial waste management services to metropolitan Melbourne. Today, more than 30% of Vi... »

Installing CSPE Geomembrane in the Virgin Islands

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The island of Saint Thomas in the US Virgin Islands is one of the Caribbean’s most popular and cosmopolitan destinations. When an aging lining system began to fail in a well-known resort’s cistern system, Colorado Lining International (CLI) was called in to replace the membrane with a CSPE geomembrane. The underground installation presented a number of challenges. The vertical walls (16 ft.) of th... »

Coal Ash Management Forum Program

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The Environmental Research & Education Foundation (EREF) and the National Waste & Recycling Association (NWRA) are holding the Coal Ash Management Forum July 21 and 22 in Charlotte, North Carolina. The event features a 1.5-day technical program that will take participants through a comprehensive range of topics: Perspectives on CCR Management Current Research on Coal Combustion Residuals G... »

10 Geomembrane Questions

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Questioning the practice of engineering has long been part of the geosynthetics field. It is this on-going dialogue and re-evaluation that leads to new manufacturing innovations, better CQA, more economical and more sustainable designs, and much more. Here, we present geomembrane questions, as contributed by Dr. Ian D. Peggs, P.E., P.Eng of I-CORP INTERNATIONAL: We install high-density polyethylen... »

GRI-GM30 Delivers a Woven-Coated Geomembrane Spec

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On May 24, Interwrap’s Jimmie Eloff was discussing a canal lining option with an engineer in Idaho. The next morning, Eloff contacted the engineer with a woven-coated geomembrane specification from the Geosynthetic Research Institute (GRI). The engineer told him he’d looked for that very type of standard specification from GRI but had been unable to find one. GRI had just officially approved... »

Concrete Canvas Wins Major LNG Contract in Australia

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Concrete Canvas has won a major contract to supply its Geosynthetic Cementitious Composite Mat (GCCM) for one of Australia’s largest resource projects: the Wheatstone liquefied natural gas (LNG) plant in Western Australia. Worth more than US$1M, the contract supplies more than 32,000 m2 of Concrete Canvas® GCCM (CC) for a range of erosion control measures. The work is part of the long-term s... »