| Medium | Diameter | Project Length | Pipe Conditions | Rehabilitation Method |
| Sewer Force Main | DN 800 (31.5") | 113 meters (371 feet) | DN800 sewer force main with limited access via 60/80 T-joints, located in a confined riverside area where excavation was not possible. | NORDIFLOW W |
Construction site located at the confluence of the Moselle and Rhine rivers
Extremely limited working space, restricted to paved pathways
Open trench excavation not permitted
Pipeline access only possible via 60/80 T-joints in manholes
Very limited maneuverability for liner installation
No possibility to enlarge manholes or excavate intermediate pits in case of failure
High installation risk under constrained site conditions
On-site impregnation of approx. 3.5 tons of resin required precise process control
Technology: CIPP (Cured-In-Place Pipe)
Product: NORDIFLOW W
Successful trenchless rehabilitation of a DN800 sewer force main
Project completed without excavation or intermediate access pits
Liner safely installed through restricted T-joint access points
Site constraints at the river confluence fully accommodated
Sealing sleeves installed after curing
Pipeline passed CCTV inspection and pressure testing without issues
Confirmed reliability of NORDIFLOW Class A liners under complex access conditions
