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.
As an alternative shoring solution to sheet and shore tunnel access shafts for auger boring, microtunneling, pipe jacking and pipe ramming projects, trenchless contractors can now use the newly designed Transformer Slide Rail System.
The Spar is a handheld, one-pass, remote sensor capable of locating and GIS mapping in 3-D subsurface cable, conduit and pipe with up to centimeter-level accuracy to depths of one meter (11 feet), decimeter-level accuracy to depths of three meters and sub-meter accuracy to depths of 15 meters (50 feet).
A California blue ribbon panel's report blaming a 2008 sewer pipe bursting project for the natural-gas pipeline explosion that killed eight people in San Bruno, CA, was poorly researched, unsubstantiated and ignored more likely explanations, according to city of San Bruno officials.
Pipe bursting is a proven method for replacing underground pipelines that provide critical services including municipal water, sewer, gas, storm water, electrical, telecommunications systems and more to people throughout North America and the world.
On Capitol Hill, the House Energy and Commerce Committee debated whether to accelerate a decision by the Obama administration on the Keystone XL Pipeline and the plan to send oil from western Canada to the Texas Gulf Coast.