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Water Main Cleaning and Lining Process

cleaning-and-liningDewcon's water main cleaning and lining process begins with the installation of temporary bypass piping to allow water customers to enjoy uninterrupted service. You can learn more about our temporary bypass piping capabilities by clicking here.

After the bypass piping has been installed, we then dig access pits for the project. We dig access pits every 500-600 feet rather than along the length of the project. This means that there is no unnecessary excavation during the project and it limits the shutdown of roadways.

The next step in the process is water main cleaning. Depending on the amount of buildup (tuberculation) in the pipe, we adjust the number of passes required by our cleaning instruments. The residual material removed from the pipe is replaced within the access pit with clean stone. The clean stone acts as a safe and clean work environment, as well as a bedding for new valves and fitting that are installed once the pipe lining is completed.

Once the cleaning process is complete, the lining process can begin. Dewcon's cement process applies premixed cement mortar lining centrifugally to the pipe's interior wall, resulting in a smooth and hydraulically efficient surface. Cement mortar lining can ensure a safe and abundant water supply for your water customers for many years to come. You can learn more about our cement mortar lining process by clicking here.

See a video of our complete process below:


Water Main Cleaning and Lining Information Request

We can help you complete your water main cleaning and lining project from start to finish, on-time and on-budget. To learn more about our water main cleaning and lining services, contact Dewcon at 908-832-5710 or use our contact form.