North Dakota State Highway 127
TRANSPORTATION
Project Profile
| Materials & Equipment | CSP Aluminized Steel Type ll Spiral Rib Pipe |
|---|---|
| Location: | Fairmount, ND |
| Owner: | North Dakota DOT |
| Contractor: | Olander Construction |
| Consulting Engineer: | North Dakota DOT |
| Application: | Concrete pipe rehabilitation |
| Special Project Elements: | The liner pipe was installed and the annulus was grouted through internal ports. The installation process minimized the time required to rehabilitate this existing pipe. |
Why corrugated steel pipe from TrueNorth Steel?
Existing concrete pipe joints were misaligned and leaking both soil and water. Spiral rib CSP was chosen because of its Manning’s “n” = .012. This allows for maximizing hydraulic capacity.