The District of Columbia Water and Sewer Authority (DC Water) Board of Directors has approved the Authority's largest contract to date, for the design and construction of a storage and conveyance tunnel as part of the Clean Rivers Project.
Pipe bursting is a method of pipe replacement that involves three main forces that must be overcome to accomplish installing a new pipe. A basic understanding of these three forces is required for anyone involved in a pipe bursting project from conception, to design, through final construction. A more detailed level of understanding of the effects of varying ground conditions (geotechnical data) is essential to the success of a project by the senior team members including engineer, owner, contractor and field crews.
The nation’s failing sewer collection system infrastructure encompasses main pipelines, lateral sewers and manholes. There exist over 20 million manholes in the U.S. of which over four million are older than 50 years and over five million are 30 to 50 years old.
The search for the cause of the San Bruno gas pipeline explosion in 2009 that killed eight people has taken a new twist. On June 9, the California Public Utilities Commission issued a report from their hand-picked Independent Review Panel. This was a group the CPUC assembled ostensibly to get to the bottom of the San Bruno explosion.
One might think all would be quiet now that the “dust” is beginning to settle on interim Tier 4 and Final Tier 4 doesn’t take effect for most off-road equipment until the 2013 – 2015 timeframe, depending on horsepower.
The J-Series electric submersible pumps offer top performance and high quality for a very modest investment. The pumps are designed for long life and trouble free performance. The J-Series electric submersible pumps offer top performance and high quality for a very modest investment.