City of Sioux Falls Cured-In-Place-Pipe (CIPP) Rehabilitation Projects

Location
Sioux Falls, SD

When excavation isn’t viable, we come ready with trenchless options. For this project, we helped the City of Sioux Falls rehabilitate and repair two aging pipes under challenging conditions: one under the Big Sioux River at bustling Falls Park, and the other 30 feet below a busy arterial roadway. In both cases, traditional trenches would have caused significant disruptions in the project area, so CIPP (Cured-In-Place Pipe) emerged as the best solution. After routing a resin-imbued liner through existing pipes, the liner is fully expanded using steam or pressurized hot water—all with little or no digging. The fully cured pipe provides the structural integrity required in both scenarios, and the trenchless installation minimized disruptions in the project area.

The “no-dig” construction industry is rapidly evolving to develop repair and replacement options for infrastructure. One of the main drivers is cost savings. Sioux Falls has realized significant cost savings using CIPP lining in difficult-to-access areas or where the cost of pavement removal and replacement would significantly increase the project cost. This approach has also reduced the time needed to complete repairs and minimized construction impacts to the public.

Project Details

In recent years, the City of Sioux Falls has used Cured-In-Place-Pipe (CIPP) rehabilitation, which can be installed with little or no excavation, to repair severely deteriorated and aging sewer and stormwater piping at critical locations. Several of the lines identified for repair presented unique challenges, including severely corroded cast-iron pipes under buildings, deep sewers, sewers under railroad tracks or major city streets, and difficult-to-access pipes, making typical open-cut construction challenging. Unique approaches for manhole rehabilitation were also required for several of these projects.

Project 1: This project included a section of 20” pipe that crosses over the Big Sioux River at Falls Park. This was a critical project because of the existing pipe condition and location: it needed to be replaced quickly with minimal disruption to the park. After cleaning and inspection with a robotic camera, a soft, resin-imbued felt liner was routed through existing pipes. Once the liner was in place, it was expanded and cured with steam or pressurized hot water. The result is a new, seamless pipe that will last for decades.

Project 2: This project included the replacement of a 78-inch-diameter concrete stormwater pipe buried up to 30 feet deep beneath an arterial roadway. Repair of this pipe would have been costly due to the depth of excavation, and pavement removal and replacement would have been significant both in terms of cost and traffic impacts. Banner evaluated several “no-dig” repair options for the City and recommended a CIPP liner because of its structural integrity and expected design life.

For these projects, we provided:

CIPP Lining
Manhole Rehabilitation

Project Disciplines

Wastewater

Civil / Municipal

Surveying

Specialized Services