O’Sullivan Films’ creek cleanup is the centerpiece of its community work

August 1st, 2018

O’Sullivan Films hosts environmental clean-up days to keep Abrams Creek green and ecologically sound. Photos: O’Sullivan Films. When employees at O’Sullivan Films work to improve the world around them, they don’t have to go any further than their headquarters in Winchester, Va. Winchester, part of the Shenandoah Valley located 75 miles west of Washington, D.C.,...

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The GMA Techline answers all

August 1st, 2018

UV Weathering of Geotextiles Q: My firm is providing construction quality assurance services for a landfill cell expansion. We are having an issue with our contractor and are going to be in a position of having 8 ounces/square yard (271 g/m2) of nonwoven geotextile exposed for a period of time, which exceeds the seven-day limit...

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Deploying a geosynthetic mattress ballast layer at an ore-processing site

August 1st, 2018

FIGURE 1 GBL installed on the side slope and suitably ballasted with UV-resistant sandbags and rope. The GBL is white due to the exposed nonwoven geotextile stitched to the underlying black woven geotextile. New applications of geosynthetics are being found that form from overlaps of existing functions, such as protection, separation, filtration and drainage. One...

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