Technical reference for LLDPE cover soil depth

October 1, 2013  |  Products

From the GMA Techline RE: Technical reference for LLDPE cover soil depth We are working on a project and our installation procedures are being questioned—specifically, what basis do we have for claiming that 36in. of cover soil will protect a 40 mil liner from damage. Our firm has always used …
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IECA announces winner of technical paper award

September 4, 2013  |  Products

Julie Etra and other award winners to be recognized in Nashville. The Denver, Colo.-based International Erosion Control Association (IECA) announced in a Sept. 3 press release its winner of the Most Distinguished Technical Paper Award for Environmental Connection 2014. The paper by Julie Etra, princ…
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Solmax hires new technical manager

August 28, 2013  |  Products

Mathieu Cornellier joins Canadian geomembrane firm. Canadian geomembrane manufacturer, Solmax Intl. Inc., announced in an Aug. 20 press release that Mathieu Cornellier has joined the company as technical manager, covering the Americas, Africa, and Europe. Cornellier is a certified civil engineer wit…
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Tensar North American Green introduces new TRM

August 6, 2013  |  Products

Cited as first multi-layered woven turf reinforcement mat Atlanta-based Tensar North American Green announced via an Aug. 5 press release its launch of the new VMax W3000 high-performance turf reinforcement mat (HPTRM). The VMax W3000 is the only multi-layered woven HPTRM on the market, according to…
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Synopsis of panel discussion on liner integrity surveys

August 5, 2013  |  Products

From presentation at Geosynthetics 2013 conference By Abigail Beck A standing room only crowd gathered April 3, 2013, for the panel discussion “How to specify a geoelectric leak location survey,” presented during the Geosynthetics 2013 conference April 1-4 in Long Beach, Calif. The varying viewp…
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FGI’s 2012 market shipment data is higher than estimated

July 18, 2013  |  Products

Study shows 2.3 billion square feet installed The Fabricated Geomembrane Institute (FGI) conducts an annual survey of its membership’s geomembrane shipments. In a July 15 press release, FGI president, Andrew Mills, said: “The market data study for year 2012 showed that the FGI membership…
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Tektoseal is Huesker’s new multi-component GCL

July 10, 2013  |  Products

For groundwater protection, site remediation, hydraulic engineering. Geosynthetic clay liners (GCL) have been used for many years as a natural sealing option for groundwater protection, contaminated site remediation, landfill construction, hydraulic engineering, and road construction applications. G…
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Passing peel separation, 4 out of 5?

June 1, 2013  |  Products

From the GMA Techline RE: 4 out of 5? A question about the Table 1(a) of GM19, page 9 of 13. Regarding passing peel separation %—do 4 out of the 5 specimens have to pass the 25% or less requirement? Or is that only for the strength criteria? (Sam | Maryland) Reply: In all honesty … <div…
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Leakage rates for pond liners

June 1, 2013  |  Products

GMA techline answers from Bob Koerner RE: Leakage rates for pond liners Do you have any data or know a source on typical ranges of leakage rates through geomembrane-only pond liners for raw water (nontoxic, nonwaste)? Thanks and best regards. (Gary | USA) Reply: We have exactly what you are looking …
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ASTM standards for silt barrier fence

June 1, 2013  |  Products

From the GMA Techline RE: Silt barrier fence I have a problem that could not be resolved by the only “approved” fabric manufacturer. I am turning to you in desperation. Our specifications calls for a silt fence with “a maximum slurry flow rate of 0.3 GPM/Sq. Ft.” I have seen …
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