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Classifying geotextiles
April 1st, 2008
From the GMA Techline Subject: Classifying geotextiles — What is a “Class A” geotextile? (Ron, Maryland) Reply: I don’t know, but it sounds pretty good! I suspect that it comes from a state specification where product values are listed in an ascending or descending order, such as Class A, B, C, etc. or Class 1, […]
GRI Standards
April 1st, 2008
From the GMA Techline Subject: GRI Standards — I am seeing references to GRI Standards GM 10, GM 14, and GM 18 in a project spec for a facility that will be under construction soon. There are other references too, of course, but these I’ve listed are not current, according to your Web site. Please […]
Geomembrane thickness
April 1st, 2008
From the GMA Techline Subject: Geomembrane thickness— We have been designing an ash pond for a thermal- electric plant, where we intend to use an HDPE geomembrane for the lining system. Can you recommend what thickness we should use for safety reasons, as our project is located near Halong Bay [in northeast Vietnam]? Do you […]
A forensic hypothetical: The case of the percolating water
April 1st, 2008
By Dov Leshchinsky Introduction Nearly every SRW system in the market has experienced some sort of failure. Like the power of chum in luring sharks, failures attract attorneys and engineering experts. Typically, the attorney for the plaintiff will compile “expert” reports providing a list of what appear to be the faults in design and/or construction. […]
Promotions at Weldmaster
April 1st, 2008
Miller Weldmaster Corp., Navarre, Ohio, has promoted Jeffrey N. Dimos and Jeffrey P. Sponseller to executive vice president positions. Dimos will continue to serve as the CFO for the company as well as responsibilities for manufacturing/engineering, finance and information technology teams. Sponseller, in addition to the promotion, will also serve as the chief operations officer, […]
New manager at Cooley
April 1st, 2008
The Cooley Group has named Don Nelligan regional sales manager for the northeastern United States and eastern Canada. He will be responsible for direct and distributor sales for all Cooley products throughout those territories. The four divisions of the Cooley Group are Cooley Building Products, Cooley Engineered Membranes, Cooley Sign & Awning Products, and Cooley […]
Peter Kesser named president at Stevens
April 1st, 2008
JPS Industries Inc. announced earlier this year that Peter A. Kesser was named president of Stevens Roofing and Geomembrane Systems. Kesser was most recently vice president of sales and marketing at Stevens. JPS is a U.S. manufacturer of extruded urethanes, polypropylenes, and mechanically formed glass and aramid substrate materials for specialty applications. With headquarters in […]
Growing use for geosynthetics: “living walls”
April 1st, 2008
By Shelby Gonzalez With the recent explosion of eco-awareness, demand is growing for a new geosynthetic-dependent product: living walls. Living walls--also called “vertical gardens”--are walls of living plants anchored in geocomposite systems. Different manufacturers use different systems. Patrick Blanc of Patrick Blanc Vertical Gardens, for example, layers rotproof polyamide felt and waterproof PVC over a […]
Sprague honored for technical paper
April 1st, 2008
C. Joel Sprague of Greenville, S.C., won the 2008 Most Distinguished Technical Paper Award from the International Erosion Control Association (IECA) earlier this year. His paper, “Slope Erosion Testing: Identifying ‘Critical’ Parameters,” describes how different lab testing procedures used by three laboratories to evaluate the likely performance of erosion control products in the field produced […]
Marr named to Academy of Engineering
April 1st, 2008
W. Allen Marr, Ph.D, P.E., and president of Geocomp Corp., has been named to National Academy of Engineering. Marr, who has spent his entire 40-year professional career focused on incorporating the benefits of applied research in geo-engineering into civil engineering practice, was selected for the NAE for his “innovative applications of numerical methods, risk analysis, […]