In many American cities, the sanitary sewer laterals that connect homes and commercial structures to sewer main lines have been allowed to deteriorate and become a significant source of sewer system inflow and infiltration (I&I), along with other problems.
Dewatering is a necessary aspect of many underground construction projects. Construction sites near coastlines, rivers, other bodies of water and in other situations may require 24-hour dewatering every day. Heavy rains may fill work areas during storms.
The pipeline safety recommendations issued by the National Transportation Safety Board (NTSB) on Aug. 30 puts significant pressure on both Congress and the Obama administration to respond to the problems discovered as part of the NTSB investigation of the PG&E San Bruno explosion in December 2010.
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.
DiPaolo Construction, of Calumet City, IL, recently completed a $14 million underground utility project to install personnel access manhole structures over an existing combined storm/sanitary sewer line in the South Chicago community of Hegewisch.
The oilfield services and horizontal directional drilling divisions of Sharewell LP were recently separated into two independent companies. Sharewell HDD LLC will retain its original ownership under Todd Caspary while the oilfield services division is now owned by an investment firm.
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