The use of a Geosynthetic Clay Liner (GCL) as the low permeability layer in landfill lining systems and restoration caps can provide a cost effective and readily Construction Quality Controlled alternative to natural clay. In fact this material may be the only option in regions where the local geology is such that no clay of [...]

SITA Cornwall  News (January 2008) - reports: Improvement in compliance… Landfill SITA Cornwall’s two landfill sites play an important role in managing the county’s waste. A great deal of work was carried out in 2007 at the landfills and even more is planned for 2008. It was a busy year in terms of engineering at United Mines [...]

In the design of municipal landfill leachate collection systems, some state regulatory agencies require carbonate content of leachate collection system aggregate not to exceed 15 percent by weight. This requirement comes from a legitimate concern about the possibility of aggregate degradation, or loss of mass due to contact with leachate. Most involved in landfill design and [...]

New MC3000 rolled out Magpie Drilling has continued its expansion with a further MC3000 added to the drilling rig fleet. Following the increase in customer demand for deeper, larger diameter wells, with temporary and permanent steel casings, the need for increased power, higher torque, and superior depth capabilities are paramount. The new machine has an extra rod [...]

Retaining Wall System Combining Sheet Piling and Geogrid Reinforcements Now Available from Northstar Vinyl Products, LLC and Tensar International The new AquaTerra™ system combines sheet piling and geogrid reinforcements, offering considerable benefits to slope stabilization, marine and levee repair projects. Atlanta, GA (PRWEB) December 2, 2007 - Northstar Vinyl Products, LLC (http://www.northstarvinyl.com/) and Tensar International recently unveiled [...]

This summer was the second summer season, and the 4th stage of restoration capping at this Wexford County Council landfill during which Rowe Environmental provided capping construction quality assurance services. The start of the works in June 2007 coincided with the uniqely heavy rainfall exprienced throughout the region that month. Although clay capping proceeded in between rain [...]

Marton Geotechnical (MGS) are selling the Flaretech Solar Ignited Flare, which is innovative and sounds like a great idea. On their web site they describe the Flaretech™ SPE as a solar powered elevated (open) landfill gas flare. It can be used on landfill gas vents, LFG wells and, we are told, leachate chambers. In fact use this anywhere that methane gas [...]

This is a question for our expert visitors. The answer is: “Leakage Detection Layers”. We have quoted some text from a US landfill lining systems report. “The double-composite liner system, …, consists of a primary liner overlaying a secondary liner with a leak detection layer between the two liners. Both the primary and secondary liners have two [...]

Leading drilling specialist Magpie has announced the deepest boreholes/wells for leachate extraction drilled to date. SITA UK approached Magpie with a need for one of the most challenging landfill drilling projects undertaken to date. Enderby Warren a closed landfill site in Leicestershire has existing leachate extraction chambers 74m deep. SITA wanted to retro drill some chambers adjacent to [...]

Most UK businesses are “completely unprepared” for major new waste regulations coming in on October 31, requiring waste to be “pre-treated” before it is sent to landfill. That is the view of business advisory company Grant Thornton, which said the “vast majority” of companies in this country are not ready for the legislation, which will require [...]