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.
In an effort to clean up Lake Erie that began with the passage of the Clean Water Act in 1972, U.S. District Court Judge Donald C. Nugent has approved a 25-year regional sewer district plan to reduce the amount of untreated waste that is dumped into local waterways, usually during flooding.
Theodore Roosevelt aptly said, “When you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and find out how to do it.” This is certainly the philosophy taken by contractor Tri-City Groundbreakers when they were low bidder on a deep excavation project that was larger and deeper than anything that they had attempted before.