Underground Pipeline Rehabilitation — Industrial Plant, Setúbal

Structural Rehabilitation with the CIPP Epoxy Lining System

Project context

An industrial facility in Setúbal identified leaks and infiltration in its underground wastewater and stormwater pipelines, located beneath the production area.
Video inspections revealed longitudinal cracks and weakened joints caused by decades of heavy use and exposure to temperature variations.

Since excavation and work stoppages were not an option, REVIPOX was contracted to apply the CIPP Epoxy Lining method — a trenchless structural rehabilitation solution that restores integrity without interrupting operations.

Objective

To rehabilitate the damaged underground pipelines using an epoxy-impregnated liner cured in place, ensuring complete watertightness and long-term durability without affecting industrial activity.

Solutions applied by REVIPOX

• 360° HD video inspection and mapping to identify cracks, displacements, and structural weaknesses.

• Mechanical cleaning and controlled drying to prepare internal surfaces for resin adhesion.

• Insertion of an epoxy-saturated liner along 50 linear meters of pipeline.

• Hot-air curing process, forming a new self-supporting, watertight structure inside the old pipe.

• Final CCTV verification confirming full adhesion and uniform coating thickness.

Results

After rehabilitation:

• Pipelines achieved complete sealing of all infiltration points.

• The system now withstands higher hydraulic and thermal pressures.

• Zero production downtime throughout the intervention.

• Maintenance costs reduced by over 60%.

• Service life extended by more than 50 years.

The work was completed in just three business days, with no excavation and no impact on factory operations.

Technology used

• REVIPOX CIPP Epoxy Lining System with high-strength, two-component epoxy resin.

• 360° HD video inspection system.

• Thermal curing system with real-time monitoring for consistent results.

Client testimonial

“It was impressive to see how fast and precise the intervention was.
They rehabilitated the entire underground drainage system without digging or stopping production.”
— Production Director, Setúbal

Conclusion

This project demonstrates the reliability of the CIPP Epoxy Lining method in industrial environments, where operational continuity and long-term durability are essential.
REVIPOX technology ensures structural reinforcement, total watertightness, and certified performance — all without excavation or disruption.

REVIPOX — The new life of pipelines begins from within.