Technological Modernization and Reconstruction of a Drinking Water Treatment Plant After 25 Years of Operation

Customer: A regional water utility company operating a drinking water treatment plant
Location: Czech Republic
Goal: To ensure the reliable operation and reconstruction of a sedimentation tank with a diameter of 15 m and a flow rate of 70 l/s after 25 years of service. The modernization aimed to replace the internal lamella system and refurbish the protective coatings of both steel and concrete components.

Initial Conditions

  • The original technology was delivered by ENVITES in 1998.
  • After a quarter-century of operation, the tank remained fully functional, but the concrete structure and the original lamella system showed signs of wear.
  • The current condition of the treatment line required reconstruction to ensure the long-term serviceability of the facility.

ENVITES Technical Solution

We carried out a reconstruction of the treatment plant, which included:

  • Removal and disposal of the old lamella structure
  • Delivery of a new lamella system, designed according to the operational parameters required
  • Removal of the old coating system from metallic components
  • Application of certified coatings approved for contact with drinking water
  • Cleaning and renovation of the concrete parts of the tank

All materials used comply with drinking water standards and were certified by accredited laboratories.

Operational Benefits

  • Continued reliable operation of the sedimentation tank with minimized corrosion risk
  • Restoration of functionality thanks to the new lamella system
  • Investment savings compared to constructing a completely new treatment line

Key Customer Benefits

  • Extension of equipment service life rather than replacement
  • More economical solution with minimal operational disruption
  • Comprehensive reconstruction including protective coatings

Conclusion

ENVITES offers both the production of new water treatment systems and the reconstruction of existing facilities – including replacement of lamella systems, individual equipment upgrades, or full refurbishment of existing treatment plants.

We offer our clients:

  • Delivery of new technological systems,
  • Or reconstruction of existing equipment to extend service life and meet current standards.

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