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San Diego, CA -- Over time, all drain systems develop problems, begin to fail and require attention. Replacing those pipes comes with the unnecessary need to dig through paved roads and landscaped yards in order to access the pipes, which can be a very time-consuming and costly process. However, with Nu Flow's technology, the City of St. Petersburg was able to avoid trenching in the process of rehabilitating their pipes.
Project: Rehabilitate lateral sewer lines using trenchless technology.
Customer: The City of St. Petersburg, in Pinellas County, Florida, with a population of nearly 250,000.
Site: Multiple residential and commercial properties including a school in St. Petersburg. The project extended from the private properties to the water main under a busy five-lane street.
System: Lateral sewer lines consisting of cast iron and clay pipe ranging from 4" to 6" in diameter. The lines connected each property to the main sewer pipe fairly deep below the road.
Situation: The aged cast iron and clay pipes had cracks and ground water infiltration problems. Traditional pipe replacement was not a desirable solution considering it would disrupt traffic on a busy city road.
Solution: Insituform was rehabilitating the mainline and brought Nu Flow in to rehabilitate the lateral lines with their trenchless technology. Nu Flow rehabilitated from the mainline connection, located between manholes in the center turn lane of the road, for the length of the lateral line to each property line.
Where the lateral meets the mainline, Nu Flow used their lateral connection liner (LCL) to completely rehab the weakest point in the sewer, where infiltration is most common. Nu Flow installed the liners from the existing manholes and access points (typically clean-outs) on the private properties.
During the process, only portions of the center turn lane were blocked allowing regular traffic to continue around the job site. Once complete, the City had the confidence to do as they wish to the top of the road, knowing that the pipe underneath was now structurally sound.
Problems with sanitary pipes and laterals are common and reoccurring. Whether you are experiencing problems now or are interested in preventing the inevitable failure of your plumbing system, Nu Flow is available to restore your peace of mind.
Source: http://www.nuflowtech.com/
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