Southern Diversified Technologies (SDT), a multi-disciplined telecommunications infrastructure services company based in Brookhaven, MS, has developed a method for using GIS (geographic information system) technology to design and build telecommunications projects.
A new breed of pipeline “pig” has arrived in the United States.
“Pigging” to clean pipelines is an accepted procedure used by utility pipeline owners. The process is relatively simple: a device (pig) is inserted into a pipe where pressure forces it through the pipe, scraping the inside sidewalls and carrying debris to an exit point out of the pipe. A variety of pig designs are available.
The question invariably is asked after severe weather or other disasters knocks out electrical power and communications services: “Why don’t they put those overhead lines underground where they’re protected?”
That question has been asked many times in many places over the past few years as heavy winter storms, tornadoes and hurricanes have affected much of the country, knocking out power, communications and other vital services.
There's something exciting about bidding and buying equipment at an auction, and experienced auction buyers seem to have a knack for acquiring good machinery at bargain prices. What’s more, equipment auctions are big business. Auction giant Ritchie Bros. reported gross auction proceeds in 2007 of $3.19 billion.
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.