Kirk Lewis knows a thing or two about horizontal auger boring. Lewis, vice president and co-founder of L&L Utilities, based in East Dublin, GA, was first exposed to this century-old trenchless installation method at a young age while working with his father at their family-owned contracting business.
Two Iowa underground construction contractors have teamed to establish a field tiling operation that has adapted global positioning system (GPS) technology to control grade of drainage “tile” they install in state corn and soybean cropland.
The West Side Interceptor sewer replacement project in Portland, ME, utilized a 60-inch diameter, high performance polypropylene pipe to increase conveyance capacity, replacing a smaller 100-year old vitrified clay line and separating a parallel 10-foot diameter combined sewer, which now solely conveys storm water.
After several years of the Great Recession, America’s underground infrastructure – already stretched thin before the economic crash – is rapidly approaching crisis levels, say city respondents to the 15th Annual Underground Construction Municipal Sewer & Water Survey. However, a majority of the survey participants believe that their city’s financial woes bottomed out in 2011 and anticipate the beginning of a slow turnaround late in 2012.
Earlier this year, the Indiana Department of Transportation (INDOT) used spiral wound pipe liner to rehabilitate two failing culverts beneath Interstate Highway 64 (I-64) near Evansville in the southwest corner of the state. It was the first time this product and installation process has been used by INDOT.