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Reviving the Palos Verdes Reservoir, Part 3
February 1st, 2019
California’s water infrastructure is one of the most challenged systems in the United States due to the large population it supports, the age of much of the water infrastructure, and the diverse environments—mountains, coastlines, old-growth forests, deserts—found in the state. The water infrastructure is also one of the country’s most advanced systems, in part due […]
Act Global and Solmax release next generation of LiteEarth capping system
January 29th, 2019
Act Global and Solmax announced the launch of the next generation LiteEarth PE capping system. LiteEarth is a patented synthetic-grass capping system developed for long-term closure of solid and hazardous waste landfills, coal ash, mining containment sites, and other land reclamation projects. “We have engineered the next generation of a truly sustainable and efficient system,” […]
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 […]
A next-gen basin liner solution for the U.S. Army Corps of Engineers
April 1st, 2018
There are more than 100,000 miles (> 160,000 km) of levees throughout the United States, protecting lives and property from extreme weather-related flooding. Aging infrastructure and increasingly stronger storms have intensified the need to reinforce and protect levees, and emergency responders need solutions to repair a breached levee before it results in catastrophic damage. Therefore, […]
GMA announces Waste Containment System Design technical seminar in Syracuse in April
March 8th, 2018
On March 7, 2018, the Geosynthetic Materials Association (GMA) announced the opening of registration for a technical seminar on “Waste Containment System Design” at the Crowne Plaza in Syracuse, New York, April 17–18, 2018. The technical seminar will identify how vertical expansions of landfills can raise a number of engineering concerns that must be evaluated […]
Part 2: The regulation of CCR in the United States: Geosynthetics and barriers
October 1st, 2017
As discussed in Part 1 of “The Regulation of CCR in the United States,” for the first time in decades, nationwide regulation of CCR (coal combustion residuals) surface impoundments expands the regulated use of geosynthetic materials. While the CCR Rule (2015) allows continued operation of existing CCR surface impoundments, it provides criteria for the disposition […]
Part 1: The regulation of CCR in the United States: Geosynthetics and barriers
August 1st, 2017
The regulation of coal ash (coal combustion residuals or CCR) has significantly expanded the market for geosynthetics within the United States. Further, there is interest in these regulations around the globe in every country using coal as an energy source. These regulations are the result of recent environmental incidents. The regulations call for the increased […]
Geomembrane used at South Africa’s first black-woman-owned manganese mine
July 19th, 2017
A geomembrane provided by Zambia’s Kaytech Engineered Fabrics and installed by South Africa’s Aquatan Lining System was used at the Kalagadi Mine, near Hotazel, Northern Cape province, South Africa, about 675 miles (1,085 km) northeast of Cape Town. Kalagadi is the first manganese mine owned by a South African black woman, Daphne Mashile-Nkosi, known as […]