The GMA Techline

February 1st, 2021

Moderated by George R. Koerner BIOLOGICAL DEGRADATION OF PE AND PP Q: Can you please enlighten me on the biological degradation of polyolefin polyethylene (PE) and polypropylene (PP)? A: Within the various plant forms of biological life, i.e., bacteria, actinomycetes, fungi and algae, polymer degradation is essentially nonexistent due to high molecular weight of the common […]

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Presto Geosystems presents solutions for managing stormwater and wastewater webcast

September 9th, 2020

Presto Geosystems will present a webcast “Innovative Solutions for Managing Stormwater and Wastewater” on Sept. 16, from 11 a.m. to 12 p.m. CDT. The webcast is free, and participants can earn 1 PDH. Are you looking for a better way to control stormwater and wastewater? As current systems get overtaxed due to rising populations and […]

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2018 International Achievement Awards

February 1st, 2019

Recognizing design excellence in geosynthetics The International Achievement Awards, sponsored by the Industrial Fabrics Association International (IFAI), recognize innovation, technical skill and design excellence in geosynthetic applications. The awards are an annual competition promoting awareness of the specialty fabrics used in thousands of products and applications ranging in size and shape. For more than 70 […]

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Registration opens for 2019 IECA conference and expo

September 26th, 2018

The International Erosion Control Association (IECA) has opened registration and published the full schedule for the 2019 IECA Annual Conference and Expo in Denver, Colo., Feb. 19–22. The 2019 IECA Annual Conference and Expo brings together the most innovative minds in the erosion, sediment control and stormwater industry. Attend this one-of-a-kind conference to connect with […]

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Minnesota Pollution Control Agency updates geosynthetic liner guidelines for stormwater management

August 30th, 2018

The Minnesota Pollution Control Agency (Minnesota PCA) revised and released new geosynthetic liner guidelines for stormwater management in August. The guidelines specify where liners are required and where liners are recommended, liner specifications (e.g., HDPE, GCL, PVC), and how to select an appropriate liner. “Liners are designed to limit infiltration of water from a stormwater […]

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The GMA Techline answers all

August 1st, 2018

UV Weathering of Geotextiles Q: My firm is providing construction quality assurance services for a landfill cell expansion. We are having an issue with our contractor and are going to be in a position of having 8 ounces/square yard (271 g/m2) of nonwoven geotextile exposed for a period of time, which exceeds the seven-day limit […]

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2019 IECA Annual Conference and Expo abstracts due Friday

May 29th, 2018

The deadline to submit abstracts for the International Erosion Control Association (IECA) Conference and Expo, Feb. 19–22, 2019, in Denver, Colo., is this Friday, June 1, 2018, the association said.                 Speaking at the conference will allow participants to gain exposure for their work while providing advancements to the […]

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O-I chooses steel reinforced geosynthetic drainage improvements for a Texas landfill

May 17th, 2018

In December 2017, Owens-Illinois, commonly known as O-I and one of the largest glassmakers in the world, took action to improve the drainage system for their glass container landfill situated near the company’s O-I Waco manufacturing facility in Waco, Texas, Contech Engineered Solutions said in a press release. The consulting engineer worked closely with the […]

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IFAI IAA Awards: Dewatering with geotextile tubes in a D.C. tunnel

April 1st, 2018

Completion Date: March 1, 2017 Fabric Name: Flintex™ OS425 Hi-Flo Fabric Producer: Flint Industries In 2013 DC Water in Washington, D.C., awarded the Impregilo-Healy-Parsons joint venture $254 million to design and build the second portion of a large tunnel system. The purpose of the tunneling project was to separately direct wastewater and stormwater to relieve […]

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Geosynthetics and erosion control

February 1st, 2018

Terra firma often does not morph in ways that modern society appreciates. Erosion from stormwater, snowmelt, long-term water flow and unrelenting waves sweep away soil and rock from steep slopes, riverbanks, ditches, channels, shorelines, building foundations and much more. To understand the power of erosion, simply think about the Grand Canyon, which was formed by […]

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