Burke announces partners for CSPE geomembranes

September 8, 2015

San Jose, Calif.-based Burke Industries announced in a Sept. 8 press release that it has established exclusive strategic partnerships with Colorado Lining International Inc. (CLI) and Layfield Environmental Systems Corp. (Layfield) for the distribution and fabrication of all Burke chlorosulfonated polyethylene (CSPE) geomembrane products and systems. The two companies will manage Burke’s CSPE geomembranes in …

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New ballast system cited in landfill case studies

August 1, 2015

Introduction Exposed geomembrane cover systems such as rain covers and temporary caps are used on landfills throughout the world. While there are numerous benefits associated with exposed membranes, there are also potential hazards associated with insufficient ballasting or anchoring of the cover materials. For years owners and engineers have used various methods for ballasting exposed …

Intertape Polymer Group geomembranes are certified

June 23, 2015

Sarasota, Fla.-based Intertape Polymer Group (IPG) announced in a June 22 press release that its geomembranes have been certified by NSF International, a global public health and safety organization. The release said that NSF has certified IPG’s Aquamaster line of geomembranes to NSF/ANSI 61. ANSI 61 is a certification by NSF applied to products that …

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An approach to approaching zero leakage

June 1, 2015

Panel Discussion: Geosynthetics 2015 Conference February 16, 2015 | Portland, Ore. Session moderator: Ian D. Peggs, I-Corp International Inc., USA Do liners leak? It is said that all liners leak, including geomembranes. They don’t. Double geomembrane liners do not leak into the subgrade. Or do they? What should probably be said is that all single …

Geomembrane would surround buildings

Business asks to test flood-protection shield on former Tuckerton police station By Pat Johnson Since Federal Emergency Management Agency (FEMA) money won’t go far enough to pay for demolition of the former police office on South Green Street that was damaged beyond repair by 2012’s Superstorm Sandy, the Tuckerton [N.J.] Borough Council entertained a presentation …

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Part 2: The first double geomembrane liner 40 years later

April 1, 2015

Constructed in June 1974, it’s been in continuous service ever since then. By J.P. Giroud and J.P. Gourc Introduction The first double liner with two geomembranes was constructed in June 1974 and has been in continuous service since then. The double-lined structure is a water reservoir located in Pont-de-Claix, near Grenoble in southeastern France. The …

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Water woes addressed by newly lined reservoir

Chowchilla pistachio farm By Raphael Bennett Introduction Situated on 600 acres of pistachio farmland located in the northern San Joaquin Valley of California, this farm management conglomerate wanted a solution to its water accessibility issues. Due to the current water climate in California, the water loss problem with the reservoir as it previously stood had …

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Part 1: The first double geomembrane liner 40 years later

February 1, 2015

First constructed in June 1974 and has been in continuous service since then. By J.P. Giroud and J.P. Gourc Introduction The first double liner with two geomembranes was constructed in June 1974 and has been in continuous service since then. The double-lined structure is a water reservoir located in Pont-de-Claix, near Grenoble in southeastern France. …

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Reconstructing and relining Nottingham Lake high in the Rockies

Replacing a 32-year-old liner. By Bart Ewing and Duff Simbec Introduction Nottingham Lake is nestled high in the Rocky Mountains and has been the pride of Avon, Colo., for as long as anyone can remember. Tourists and residents use the lake for winter recreation and for boating, fishing, and swimming in the summer. It serves as …

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Design considerations for GCLs in leach pad liner systems

October 1, 2014

By Chris Athanassopoulos and Mark Smith Introduction Traditionally, leach pad lining systems have consisted of a single geomembrane liner placed directly over a prepared subgrade of locally available soil or, occasionally, compacted clay. Heap fills are most commonly constructed by placing a layer of highly-permeable drainage stone (overliner) over the geomembrane, usually with perforated drainage …