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Egis provides design and construction supervision for new engineered sanitary landfill in Phnom Penh, Cambodia
March 12th, 2025
Contributed by Egis Phnom Penh, Cambodia has experienced significant demographic and economic development in recent years, with a rapid rise in municipal solid waste (MSW) generation – the city now produces 3,600 tonnes of MSW per day. At the same time, the existing dumpsite at Dangkor near Phnom Penh is close to saturation, prompting the […]
2027 date floated for commissioning new reservoir in Sechelt, B.C.
January 31st, 2025
Contributed by Coast Reporter By Connie Jordison The Lower Crown Reservoir, to be built in a mined out section of the Heidelberg Material’s Sechelt mine in Sechelt, British Columbia, will include a geomembrane liner underlain by a non-woven geotextile to protect the quality of the stored water. shíshálh Nation will build the first of two […]
Geomembranes as an effective environmental compliance solution in rail yards
January 11th, 2024
On the evening of February 3, 2023, a train derailed in East Palestine, Ohio. The tanker cars, carrying several types of chemicals, ruptured and caught fire. The aftermath unfolded in the news for days, weeks, and months. The event impacted the population of the small community most directly, but also created an environmental investigation for […]
Lake Forest reservoir relining and floating cover
August 29th, 2023
FIGURE 1 Aerial view of the east cell (left side) completed in 2021 and west cell (right side) reservoir under construction in July 2022 Geosynthetic floating covers provide a highly sustainable and economical method of protecting and treating fresh and potable water. They are designed to protect fresh water from environmental contamination while eliminating water […]
Singhal Industries Private Limited rolls out versatile geomembrane for landfill sites
March 27th, 2023
Singhal Industries Private Limited has launched an innovative geomembrane that is developed especially for landfill sites. With this state-of-the-art innovation, customers can now be assured of a more reliable and effective solution for waste disposal needs. This geomembrane offers a range of benefits for garbage disposal needs. It is lightweight, durable, cost-effective, and easy to […]
Connection strength of geosynthetics anchored in concrete
February 1st, 2023
FIGURE 1 Photographs of various styles of embedment liners Nearly all geomembrane installations are fixed at the perimeter of the containment by burying the liner in an anchor trench or by attaching it to concrete (i.e., a collar wall, foundation, ring wall, manhole, vault, etc.). The standard approach for connecting the geomembrane liner to concrete […]
Toowoomba landfill undergoing $5.3 million vertical expansion with piggy-back geomembrane liner
October 6th, 2022
The Toowoomba Regional Council (TRC) is undertaking a $5.3 million project to extend the life of the Toowoomba Waste Management Centre landfill in Toowoomba, Queensland. Specialist Brisbane firm DECC Environmental has started work on the project with support from Toowoomba civil engineering firm Harrison Infrastructure Group. TRC Water and Waste Committee portfolio leader Cr Nancy […]
Reviving the Palos Verdes Reservoir—Part 2
April 1st, 2018
The October/November 2016 issue of Geosynthetics published Part 1 of this series on revitalizing the Palos Verdes Reservoir in Los Angeles County, California. That article described the approach to revitalizing the site, as well as the five-month-long geosynthetic manufacturing and fabrication phase. In Part 2, we continue to explore more of the inner workings for […]
Controlling uplifting gas bubbles in exposed geomembrane-lined ponds—Part 3
April 1st, 2018
Part 1 of this series (Thiel 2017) demonstrated how the size, shape, pressure, and stresses and strains experienced by geomembrane bubbles inflated with gas could be analytically estimated. Part 2 of this series (Thiel 2018) evaluated the considerations for incorporating a gas-venting underdrain below the geomembrane liner. The current, and final, Part 3 of this […]
Protecting geomembranes from animal damage
June 1st, 2017
Resisting animal and insect attacks on geomembranes is an interesting problem. Geomembrane installers and manufacturers have had numerous geomembranes damaged by bears, deer, coyotes, birds, beavers, and ground squirrels (Figures 1 and 2). In most cases, the damage is incidental to something else the animal is seeking. Deer damage the liner with their hooves trying […]