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MDOT names new COO
July 18th, 2023
The Michigan Department of Transportation (MDOT) has named Gregg Brunner as chief operations officer (COO), succeeding current MDOT director Bradley C. Wieferich. Brunner has served as the acting COO since December 2022 and brings more than 24 years of experience and leadership with the state of Michigan to his new permanent role. Gregg Brunner "Gregg […]
Biofilter rehabilitation at Toronto’s Humber Wastewater Treatment Plant
July 17th, 2023
The Humber Wastewater Treatment Plant was originally constructed in 1960 and is Toronto’s second largest wastewater treatment plant. It services approximately 680,000 residents with an annual capacity of 473,000m3. The facility has undergone extensive upgrades to improve air quality and odor issues, including the biofilters. The biofilter system consists of a group of concrete tanks […]
Addressing the rising costs of landfill cover soil
July 14th, 2023
Landfill cover soil is vital when addressing environmental safety and sustainability in waste management (1). As landfills, coal combustion residuals (CCR), and mining sites conclude their service life, there is a mandated obligation to close these sites to minimize their environmental impact. However, this process has become costly due to the rising cost of cover […]
New chair, vice chair for AASHTO design committee
July 13th, 2023
The American Association of State Highway and Transportation Officials (AASHTO) has appointed Shanté Hastings (right) from the Delaware Department of Transportation to a two-year term as chair of the Committee on Design. The organization also named Marshall Elizer from the Washington State Department of Transportation to a two-year term as the committee’s vice chair. Shanté […]
A costly geogrid mistake: Price vs. performance
July 12th, 2023
Article written by John Bolton. Information courtesy of Tensar. “How much does it cost?” is usually the first question a procurement manager asks when selecting materials for a construction project. Price undoubtedly drives the bottom line, but what might seem like the least expensive option at first could cost more to install. In addition, the […]
Premature failure of geomembrane floating covers in Australia: Causes, comparisons and recommendations
July 11th, 2023
In potable applications, some reinforced polypropylene (RPP) installations have failed in as little as four years while others have managed to achieve 17 years of service. Nearly all RPP covers in Australia have failed or degraded prematurely. The majority of failures have been due to chemical attack from chlorine exposure. Systems with chloramine disinfection have […]
Lining a tailings facility on the roof of the world
July 10th, 2023
Solmax geomembranes were used to line the tailings facilities of the recently expanded Yulong Copper Mine. The mine located in the Qinghai-Tibet Plateau, on one of the largest copper deposits in China and is important to the economy of the region. The mine is located in some of the highest elevations in the world. The […]
Genuit Group hits sustainability targets with Keytec Geomembranes
July 7th, 2023
Genuit Group has been leading by example when it comes to making sustainability a top priority, recently achieving the Approved Science-Based Target certification. Genuit Group businesses include Adey, Alderburgh, Domus Ventilation, Keytec Geomembranes, Manthorpe, Nu-Heat, Nuaire, Permavoid, Plura, Polypipe Building Products, Polypipe Building Services, Polypipe Civils and Green Urbanisation and Surestop.This recognition by the Science-Based […]
ABG Geosynthetics switches to 100% renewable energy
July 6th, 2023
All the electricity used by ABG Geosynthetics for the manufacture of its geocomposite and geocellular products is now certified to come from renewable sources. The switch to a renewable energy supplier is just one of several recent initiatives introduced by ABG to reduce its environmental impact, explains managing director Alan Bamforth. “We have signed up […]
EPA announces new framework to prevent unsafe PFAS from entering market
July 5th, 2023
The U.S. Environmental Protection Agency (EPA) has announced its framework for addressing new and new uses of per- and poly-fluoroalkyl substances (PFAS). The framework outlines EPA’s planned approach when reviewing new PFAS and new uses of PFAS to ensure that, before these chemicals are allowed to enter into commerce, EPA will undertake an extensive evaluation to ensure […]