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 [...]

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 [...]

Photos by Mike Toy You can either look at challenges and decide you can make things work and get on with it, or you can worry and then panic,” says Nigel Richings, founder and owner of Undercover Canvas and Awnings Inc. in Wildey, Barbados. “It’s one side of the coin or the other. [...]

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 [...]