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Eliminating erosion runoff at a Canadian quarry’s stockpile slope
August 1st, 2007
By Sarah Willnerd and Ron Bygness Introduction With ownership of some 900 quarries around the world to sustain its building materials operations, the Lafarge Group claims a commitment to achieving sustainable development hand in hand with environmental compliance. However, attempts to stabilize a large stockpile at its Woodstock, Ontario, quarry were challenging that goal. Lafarge […]
Road realignment, a sediment pond and an unsuspected spring play part in county project
August 1st, 2007
By Lawrence Berkland, CPESC Introduction This project showcases the use of a geosynthetic drainage system as an outfall for a sediment pond, and the accompanying road realignment, both built in Steele County, Minn., in 2006. In this example, the land usage was primarily agricultural, the watershed approximately 90 acres, and the disturbed area about 5 […]
Using geosynthetics to rehabilitate Fisher Cañon Dam and Reservoir
August 1st, 2007
Installation of a reservoir liner restored more-efficient irrigation to a Colorado resort By Richard A. Millet, P.E., Jennifer L. Williams, P.E., Dennis A. Minchow, John B. Heap Introduction Fisher Cañon Reservoir is an off-channel storage facility that supplies irrigation water to the golf courses at the legendary Broadmoor Resort near Colorado Springs, Colo. The Fisher […]
Getting a (business) grasp on the emerging Chinese marketplace
August 1st, 2007
The economic rise of Chinacan present simultaneous challenges and opportunities: A market as a competitor, a supplier and a customer Q-and-A with consultant James Chan The social/political situation Geosynthetics magazine: Are there international travel restrictions on Chinese citizens by China or by the United States? James Chan: U.S. citizens can travel to China freely on […]
Use of geosynthetics in the mining and mineral processing industry
August 1st, 2007
By Karin Renken, David Mchaina, Ernest Yanful Introduction This article gives a brief overview and a summary of the results of research work conducted under the 2003 North American Geosynthetics (NAGS) Award of Merit. The NAGS awards were initiated in 1989 as an industry sponsored program to recognize excellence in the state of the art […]
New resin for geomembranes
August 1st, 2007
Dow Chemical Co. has announced the commercial availability of a new HDPE (high-density polyethylene) resin for use in geomembranes, the synthetic materials commonly used as impermeable liners in geotechnical engineering applications for environmental protection, water collection and preservation, and waterproofing. The new product, HDPE 50045E, underscores advances in polyethylene material science that have made it […]
Call 811 before you start digging
August 1st, 2007
Planning a home improvement job? Planting a tree? Building a retaining wall? Wait! Here’s what you need to know first: Whether you are planning to do it yourself or hire a professional, smart digging means calling 811 before each job. Projects that require digging often involve risky assumptions about utility lines. But every digging job […]
Waterproofing job for Dubai tunnel
August 1st, 2007
The $3.3 million(U.S.) Jumeirah Vehicular Tunnel waterproofing project was completed in April. The 1,400m tunnel is the only link for vehicles between Jumeirah Palm Island and the crescent areas surrounding it at the spectacular palm island complexin Dubai. The waterproofing system, designed and executed by BMC Gulf Contracting LLC, involved the installation, welding, and testing […]
Zenker appointed technical director at Fleissner
August 1st, 2007
Dieter Zenker has assumed the position of technical director at Fleissner GmbH. In his new function, Dr. Zenker oversees the engineering and production divisions as well as product development. Fleissner GmbH, manufacturer of a multitude of equipment for specialty fabrics and fabric applications, is based in Egelsbach, Germany.
GZA opens new office
August 1st, 2007
GZA GeoEnvironmental Inc., an environmental and geotechnical consulting firm based in Massachusetts, has named Gary R. McAllister, P.E., head of its new office in Portsmouth, N.H. McAllister is a senior project manager for GZA and is a registered professional engineer with more than 17 years of experience in engineering, field inspection, project management, logistics, and […]